libs/lua-*/
libs/g722_1-*/
+libs/ilbc-*/
EndProject\r
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libspeexdsp", "libs\win32\speex\libspeexdsp.2015.vcxproj", "{03207781-0D1C-4DB3-A71D-45C608F28DBD}"\r
EndProject\r
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libilbc", "libs\ilbc\libilbc.2015.vcxproj", "{9A5DDF08-C88C-4A35-B7F6-D605228446BD}"\r
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libilbc", "libs\win32\ilbc\libilbc.2015.vcxproj", "{9A5DDF08-C88C-4A35-B7F6-D605228446BD}"\r
EndProject\r
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mod_opal", "src\mod\endpoints\mod_opal\mod_opal.2015.vcxproj", "{05C9FB27-480E-4D53-B3B7-6338E2526666}"\r
EndProject\r
EndProject\r
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Download g722_1", "libs\win32\Download g722_1.2015.vcxproj", "{36603FE1-253F-4C2C-AAB6-12927A626135}"\r
EndProject\r
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Download iLBC", "libs\win32\Download iLBC.2015.vcxproj", "{53AADA60-DF12-46FF-BF94-566BBF849336}"\r
+EndProject\r
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+ {53AADA60-DF12-46FF-BF94-566BBF849336}.Debug|x64.Build.0 = Debug|Win32\r
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{36603FE1-253F-4C2C-AAB6-12927A626135} = {C120A020-773F-4EA3-923F-B67AF28B750D}\r
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EndGlobalSection\r
EndGlobal\r
+++ /dev/null
-Tue Feb 17 10:22:09 CST 2009
+++ /dev/null
-Adapted by Steve Underwood <steveu@coppice.org> from the source code
-supplied in RFC3???.
+++ /dev/null
-The license conditions for the original iLBC codec may be found in the file
- gips_iLBClicense.pdf
-No additional license conditions are claimed over this implementation.
+++ /dev/null
-08.02.14 - 0.0.1 - Steve Underwood <steveu@coppice.org>
- - The first version.
-
+++ /dev/null
-Basic Installation
-==================
-
- These are generic installation instructions.
-
- The `configure' shell script attempts to guess correct values for
-various system-dependent variables used during compilation. It uses
-those values to create a `Makefile' in each directory of the package.
-It may also create one or more `.h' files containing system-dependent
-definitions. Finally, it creates a shell script `config.status' that
-you can run in the future to recreate the current configuration, a file
-`config.cache' that saves the results of its tests to speed up
-reconfiguring, and a file `config.log' containing compiler output
-(useful mainly for debugging `configure').
-
- If you need to do unusual things to compile the package, please try
-to figure out how `configure' could check whether to do them, and mail
-diffs or instructions to the address given in the `README' so they can
-be considered for the next release. If at some point `config.cache'
-contains results you don't want to keep, you may remove or edit it.
-
- The file `configure.ac' is used to create `configure' by a program
-called `autoconf'. You only need `configure.ac' if you want to change
-it or regenerate `configure' using a newer version of `autoconf'.
-
-The simplest way to compile this package is:
-
- 1. `cd' to the directory containing the package's source code and type
- `./configure' to configure the package for your system. If you're
- using `csh' on an old version of System V, you might need to type
- `sh ./configure' instead to prevent `csh' from trying to execute
- `configure' itself.
-
- Running `configure' takes awhile. While running, it prints some
- messages telling which features it is checking for.
-
- 2. Type `make' to compile the package.
-
- 3. Optionally, type `make check' to run any self-tests that come with
- the package.
-
- 4. Type `make install' to install the programs and any data files and
- documentation.
-
- 5. You can remove the program binaries and object files from the
- source code directory by typing `make clean'. To also remove the
- files that `configure' created (so you can compile the package for
- a different kind of computer), type `make distclean'. There is
- also a `make maintainer-clean' target, but that is intended mainly
- for the package's developers. If you use it, you may have to get
- all sorts of other programs in order to regenerate files that came
- with the distribution.
-
-Compilers and Options
-=====================
-
- Some systems require unusual options for compilation or linking that
-the `configure' script does not know about. You can give `configure'
-initial values for variables by setting them in the environment. Using
-a Bourne-compatible shell, you can do that on the command line like
-this:
- CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
-
-Or on systems that have the `env' program, you can do it like this:
- env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure
-
-Compiling For Multiple Architectures
-====================================
-
- You can compile the package for more than one kind of computer at the
-same time, by placing the object files for each architecture in their
-own directory. To do this, you must use a version of `make' that
-supports the `VPATH' variable, such as GNU `make'. `cd' to the
-directory where you want the object files and executables to go and run
-the `configure' script. `configure' automatically checks for the
-source code in the directory that `configure' is in and in `..'.
-
- If you have to use a `make' that does not supports the `VPATH'
-variable, you have to compile the package for one architecture at a time
-in the source code directory. After you have installed the package for
-one architecture, use `make distclean' before reconfiguring for another
-architecture.
-
-Installation Names
-==================
-
- By default, `make install' will install the package's files in
-`/usr/local/bin', `/usr/local/man', etc. You can specify an
-installation prefix other than `/usr/local' by giving `configure' the
-option `--prefix=PATH'.
-
- You can specify separate installation prefixes for
-architecture-specific files and architecture-independent files. If you
-give `configure' the option `--exec-prefix=PATH', the package will use
-PATH as the prefix for installing programs and libraries.
-Documentation and other data files will still use the regular prefix.
-
- In addition, if you use an unusual directory layout you can give
-options like `--bindir=PATH' to specify different values for particular
-kinds of files. Run `configure --help' for a list of the directories
-you can set and what kinds of files go in them.
-
- If the package supports it, you can cause programs to be installed
-with an extra prefix or suffix on their names by giving `configure' the
-option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
-
-Optional Features
-=================
-
- Some packages pay attention to `--enable-FEATURE' options to
-`configure', where FEATURE indicates an optional part of the package.
-They may also pay attention to `--with-PACKAGE' options, where PACKAGE
-is something like `gnu-as' or `x' (for the X Window System). The
-`README' should mention any `--enable-' and `--with-' options that the
-package recognizes.
-
- For packages that use the X Window System, `configure' can usually
-find the X include and library files automatically, but if it doesn't,
-you can use the `configure' options `--x-includes=DIR' and
-`--x-libraries=DIR' to specify their locations.
-
-Specifying the System Type
-==========================
-
- There may be some features `configure' can not figure out
-automatically, but needs to determine by the type of host the package
-will run on. Usually `configure' can figure that out, but if it prints
-a message saying it can not guess the host type, give it the
-`--host=TYPE' option. TYPE can either be a short name for the system
-type, such as `sun4', or a canonical name with three fields:
- CPU-COMPANY-SYSTEM
-
-See the file `config.sub' for the possible values of each field. If
-`config.sub' isn't included in this package, then this package doesn't
-need to know the host type.
-
- If you are building compiler tools for cross-compiling, you can also
-use the `--target=TYPE' option to select the type of system they will
-produce code for and the `--build=TYPE' option to select the type of
-system on which you are compiling the package.
-
-Sharing Defaults
-================
-
- If you want to set default values for `configure' scripts to share,
-you can create a site shell script called `config.site' that gives
-default values for variables like `CC', `cache_file', and `prefix'.
-`configure' looks for `PREFIX/share/config.site' if it exists, then
-`PREFIX/etc/config.site' if it exists. Or, you can set the
-`CONFIG_SITE' environment variable to the location of the site script.
-A warning: not all `configure' scripts look for a site script.
-
-Operation Controls
-==================
-
- `configure' recognizes the following options to control how it
-operates.
-
-`--cache-file=FILE'
- Use and save the results of the tests in FILE instead of
- `./config.cache'. Set FILE to `/dev/null' to disable caching, for
- debugging `configure'.
-
-`--help'
- Print a summary of the options to `configure', and exit.
-
-`--quiet'
-`--silent'
-`-q'
- Do not print messages saying which checks are being made. To
- suppress all normal output, redirect it to `/dev/null' (any error
- messages will still be shown).
-
-`--srcdir=DIR'
- Look for the package's source code in directory DIR. Usually
- `configure' can determine that directory automatically.
-
-`--version'
- Print the version of Autoconf used to generate the `configure'
- script, and exit.
-
-`configure' also accepts some other, not widely useful, options.
+++ /dev/null
-##
-## iLBC - a library for the iLBC codec
-##
-## Makefile.am -- Process this file with automake to produce Makefile.in
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the Lesser GNU General Public License version 2.1, as
-## published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-##
-## $Id: Makefile.am,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
-
-AM_CFLAGS = $(COMP_VENDOR_CFLAGS)
-
-noinst_SCRIPTS = ilbc.spec
-
-MAINTAINERCLEANFILES = Makefile.in
-
-EXTRA_DIST = ilbc.spec \
- wrapper.xsl \
- gips_iLBClicense.pdf \
- libilbc.vcproj \
- doc/libilbc-doxygen \
- src/ilbc/version.h.in \
- src/libilbc.dsp \
- src/libilbc.sln \
- src/msvc/gettimeofday.c \
- src/msvc/inttypes.h \
- src/msvc/tgmath.h \
- src/msvc/unistd.h \
- src/msvc/sys/time.h \
- src/msvc/ilbc.def \
- src/msvc/msvcproj.head \
- src/msvc/msvcproj.foot \
- src/msvc/vc8proj.head \
- src/msvc/vc8proj.foot \
- debian/changelog \
- debian/compat \
- debian/control \
- debian/copyright \
- debian/libilbc.install \
- debian/libilbc-dev.install \
- debian/libilbc-doc.install \
- debian/rules \
- debian/watch
-
-if COND_DOC
- MAYBE_DOC=doc
-endif
-if COND_TESTS
- MAYBE_TESTS=tests
-endif
-SUBDIRS = src $(MAYBE_DOC) $(MAYBE_TESTS)
-
-DIST_SUBDIRS = src doc tests localtests
-
-faq: faq.xml
- cd faq ; xsltproc ../wrapper.xsl ../faq.xml
-
-rpm: rpm-build
-
-rpm-build:
- $(MAKE) -$(MAKEFLAGS) bump.rpm.release
- $(MAKE) -$(MAKEFLAGS) dist
- rm -rf rpm/BUILD/*
- rm -f rpm/RPMS/*/*
- rm -f rpm/SOURCES/*
- rm -f rpm/SPECS/*
- rm -f rpm/SRPMS/*
- rpm -ta --sign @PACKAGE@-@VERSION@.tar.gz
-
-bump.rpm.release: ilbc.spec
- VERSION="x"; \
- test -f $(srcdir)/rpm.release && . $(srcdir)/rpm.release; \
- NEXT_RELEASE=0; \
- test "$$VERSION" = "@VERSION@" && NEXT_RELEASE="$$RELEASE"; \
- RELEASE=`expr $$NEXT_RELEASE + 1`; \
- echo "VERSION=@VERSION@" >$(srcdir)/rpm.release; \
- echo "RELEASE=$$RELEASE" >>$(srcdir)/rpm.release; \
- sed 's/^Release: .*/Release: '$$RELEASE'/' \
- <ilbc.spec >ilbc.spec.new; \
- mv ilbc.spec.new ilbc.spec
+++ /dev/null
-No news is good news!
\ No newline at end of file
+++ /dev/null
-VoIPcodecs 0.0.1 - A set of commonly used, unencumbered, codecs for VoIP
-------------------------------------------------------------------------
-
-Steve Underwood <steveu@coppice.org>
+++ /dev/null
-#
-# iLBC - a library for the iLBC codec
-#
-# configure.ac -- Process this file with autoconf to produce configure
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2, as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-#
-# $Id: configure.ac,v 1.1.1.1 2008/02/15 12:15:54 steveu Exp $
-
-# @start 1
-
-AC_INIT([ilbc], [0.0.1])
-
-CFLAGS="$CFLAGS $CONFIGURE_CFLAGS"
-CXXFLAGS="$CXXFLAGS $CONFIGURE_CXXFLAGS"
-LDFLAGS="$LDFLAGS $CONFIGURE_LDFLAGS"
-
-AC_DEFUN([AX_COMPILER_VENDOR],
-[
-AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor,
- [ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=unknown
- # note: don't check for GCC first, since some other compilers define __GNUC__
- for ventest in intel:__ICC,__ECC,__INTEL_COMPILER ibm:__xlc__,__xlC__,__IBMC__,__IBMCPP__ gnu:__GNUC__ sun:__SUNPRO_C,__SUNPRO_CC hp:__HP_cc,__HP_aCC dec:__DECC,__DECCXX,__DECC_VER,__DECCXX_VER borland:__BORLANDC__,__TURBOC__ comeau:__COMO__ cray:_CRAYC kai:__KCC lcc:__LCC__ metrowerks:__MWERKS__ sgi:__sgi,sgi microsoft:_MSC_VER watcom:__WATCOMC__ portland:__PGI; do
- vencpp="defined("`echo $ventest | cut -d: -f2 | sed 's/,/) || defined(/g'`")"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[
-#if !($vencpp)
- thisisanerror;
-#endif
-])], [ax_cv_]_AC_LANG_ABBREV[_compiler_vendor=`echo $ventest | cut -d: -f1`; break])
- done
- ])
-])
-
-ILBC_LT_CURRENT=0
-ILBC_LT_REVISION=2
-ILBC_LT_AGE=0
-
-AC_SUBST(ILBC_LT_CURRENT)
-AC_SUBST(ILBC_LT_REVISION)
-AC_SUBST(ILBC_LT_AGE)
-
-AC_CONFIG_SRCDIR([src/iLBC_encode.c])
-AC_CONFIG_AUX_DIR(config)
-AC_CONFIG_HEADERS([src/config.h:config-h.in])
-AM_INIT_AUTOMAKE
-
-AC_CANONICAL_HOST
-AC_CANONICAL_BUILD
-AC_PROG_CC
-AC_PROG_CXX
-AC_PROG_GCC_TRADITIONAL
-AC_PROG_LIBTOOL
-AC_PROG_INSTALL
-AC_LANG([C])
-
-AX_COMPILER_VENDOR
-
-if test "${build}" != "${host}"
-then
- # If we are doing a Canadian Cross, in which the host and build systems
- # are not the same, we set reasonable default values for the tools.
-
- CC=${CC-${host_alias}-gcc}
- CFLAGS=${CFLAGS-"-g -O2"}
- CXX=${CXX-${host_alias}-c++}
- CXXFLAGS=${CXXFLAGS-"-g -O2"}
- CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
-else
- # Set reasonable default values for some tools even if not Canadian.
- # Of course, these are different reasonable default values, originally
- # specified directly in the Makefile.
- # We don't export, so that autoconf can do its job.
- # Note that all these settings are above the fragment inclusion point
- # in Makefile.in, so can still be overridden by fragments.
- # This is all going to change when we autoconfiscate...
- CC_FOR_BUILD="\$(CC)"
- AC_PROG_CC
-
- # We must set the default linker to the linker used by gcc for the correct
- # operation of libtool. If LD is not defined and we are using gcc, try to
- # set the LD default to the ld used by gcc.
- if test -z "$LD"
- then
- if test "$GCC" = yes
- then
- case $build in
- *-*-mingw*)
- gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
- *)
- gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
- esac
- case $gcc_prog_ld in
- # Accept absolute paths.
- [[\\/]* | [A-Za-z]:[\\/]*)]
- LD="$gcc_prog_ld" ;;
- esac
- fi
- fi
-
- CXX=${CXX-"c++"}
- CFLAGS=${CFLAGS-"-g -O2"}
- CXXFLAGS=${CXXFLAGS-"-g -O2"}
-fi
-
-AC_C_CONST
-AC_C_INLINE
-AC_C_VOLATILE
-
-AC_CHECK_TYPES(long long)
-AC_CHECK_TYPES(long double)
-
-AC_TYPE_SIGNAL
-
-AC_ARG_ENABLE(doc, [ --enable-doc Build the documentation])
-AC_ARG_ENABLE(tests, [ --enable-tests Build the test programs])
-AC_ARG_ENABLE(mmx, [ --enable-mmx Enable MMX support])
-AC_ARG_ENABLE(sse, [ --enable-sse Enable SSE support])
-AC_ARG_ENABLE(fixed_point, [ --enable-fixed-point Enable fixed point support])
-
-AC_FUNC_ERROR_AT_LINE
-AC_FUNC_VPRINTF
-AC_FUNC_MALLOC
-AC_FUNC_MEMCMP
-AC_FUNC_REALLOC
-AC_FUNC_SELECT_ARGTYPES
-
-AC_CHECK_FUNCS([memmove])
-AC_CHECK_FUNCS([memset])
-AC_CHECK_FUNCS([select])
-AC_CHECK_FUNCS([strcasecmp])
-AC_CHECK_FUNCS([strchr])
-AC_CHECK_FUNCS([strdup])
-AC_CHECK_FUNCS([strerror])
-AC_CHECK_FUNCS([strstr])
-AC_CHECK_FUNCS([strtol])
-AC_CHECK_FUNCS([gettimeofday])
-
-AC_HEADER_STDC
-AC_HEADER_SYS_WAIT
-AC_HEADER_TIME
-
-# Check for header files.
-AC_CHECK_HEADERS([socket.h])
-AC_CHECK_HEADERS([inttypes.h], [INSERT_INTTYPES_HEADER="#include <inttypes.h>"])
-AC_CHECK_HEADERS([stdint.h], [INSERT_STDINT_HEADER="#include <stdint.h>"])
-AC_CHECK_HEADERS([unistd.h])
-AC_CHECK_HEADERS([stdlib.h])
-AC_CHECK_HEADERS([string.h])
-AC_CHECK_HEADERS([strings.h])
-AC_CHECK_HEADERS([malloc.h])
-AC_CHECK_HEADERS([tgmath.h], [INSERT_TGMATH_HEADER="#include <tgmath.h>"])
-AC_CHECK_HEADERS([math.h], [INSERT_MATH_HEADER="#include <math.h>"])
-AC_CHECK_HEADERS([float.h])
-AC_CHECK_HEADERS([fcntl.h])
-AC_CHECK_HEADERS([sys/time.h])
-AC_CHECK_HEADERS([sys/select.h])
-AC_CHECK_HEADERS([sys/ioctl.h])
-AC_CHECK_HEADERS([sys/fcntl.h])
-AC_CHECK_HEADERS([audiofile.h])
-if test "${build}" = "${host}"
-then
- AC_CHECK_HEADERS([X11/X.h])
-fi
-
-AC_LANG([C++])
-
-if test "${build}" = "${host}"
-then
- case "${host}" in
- x86_64-*)
- AC_CHECK_FILE([${prefix}/lib64], libdir='$(exec_prefix)/lib64')
- ;;
- esac
-fi
-
-AC_LANG([C])
-
-if test "${build}" = "${host}"
-then
- case "${host}" in
- x86_64-*)
- # X86_64 Linux machines may have both 64 bit and 32 bit libraries. We need to choose the right set
- AC_CHECK_FILE([/usr/X11R6/lib64], [TESTLIBS="$TESTLIBS -L/usr/X11R6/lib64"], AC_CHECK_FILE([/usr/X11R6/lib], [TESTLIBS="$TESTLIBS -L/usr/X11R6/lib"]))
- ;;
- esac
-fi
-
-# Checks for libraries.
-AC_CHECK_LIB([m], [cos])
-AC_CHECK_LIB([m], [pow])
-AC_CHECK_LIB([m], [sqrt])
-if test -n "$enable_tests" ; then
- AC_LANG([C++])
- AC_LANG([C])
- AC_CHECK_LIB([audiofile], [afOpenFile], TESTLIBS="$TESTLIBS -laudiofile", AC_MSG_ERROR("Can't make tests without libaudiofile (does your system require a libaudiofile-devel package?)"))
- AC_CHECK_LIB([fftw3], [fftw_plan_dft_1d], TESTLIBS="$TESTLIBS -lfftw3")
- AC_CHECK_LIB([fftw], [fftw_create_plan], TESTLIBS="$TESTLIBS -lfftw")
-fi
-
-AC_ARG_ENABLE([enable_64], [AS_HELP_STRING([--enable-64], [Enable 64bit compilation])], [enable_64="$enableval"], [enable_64="no"])
-
-case "${ax_cv_c_compiler_vendor}" in
-gnu)
- COMP_VENDOR_CFLAGS="-std=gnu99 -ffast-math -Wall -Wunused-variable -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes"
- if test "$enable_sse" = "yes" ; then
- COMP_VENDOR_CFLAGS="-msse $COMP_VENDOR_CFLAGS"
- fi
- if test "$enable_mmx" = "yes" ; then
- COMP_VENDOR_CFLAGS="-mmmx $COMP_VENDOR_CFLAGS"
- fi
- ;;
-sun)
- COMP_VENDOR_CFLAGS="-xc99=all -mt -xCC -D__FUNCTION__=__func__ -xvpara"
- if test "$enable_64" = "yes" ; then
- COMP_VENDOR_CFLAGS="-m64 $COMP_VENDOR_CFLAGS"
- fi
- ;;
-*)
- COMP_VENDOR_CFLAGS="-std=c99 -Wall -Wunused-variable -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes"
- ;;
-esac
-
-COMP_VENDOR_CFLAGS="-DNDEBUG $COMP_VENDOR_CFLAGS"
-
-AM_CONDITIONAL([COND_DOC], [test "$enable_doc" = yes])
-AM_CONDITIONAL([COND_TESTS], [test "$enable_tests" = yes])
-AM_CONDITIONAL([COND_MMX], [test "$enable_mmx" = yes])
-AM_CONDITIONAL([COND_SSE], [test "$enable_sse" = yes])
-if test "$enable_fixed_point" = "yes" ; then
- AC_DEFINE([ILBC_USE_FIXED_POINT], [1], [Enable fixed point processing, where possible, instead of floating point])
- ILBC_USE_FIXED_POINT="#define ILBC_USE_FIXED_POINT 1"
-else
-#
-# So far we deal with the embedded ARM, Blackfin, MIPS, TI DSP and XScale processors as
-# things which lack fast hardware floating point.
-#
-# Other candidates would be the small embedded Power PCs.
-#
- case $basic_machine in
- arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] \
- | bfin \
- | mips | mipsbe | mipseb | mipsel | mipsle \
- | tic54x | c54x* | tic55x | c55x* | tic6x | c6x* \
- | xscale | xscalee[bl] \
- | arm-* | armbe-* | armle-* | armeb-* | armv*-* \
- | bfin-* \
- | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
- | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
- | xscale-* | xscalee[bl]-* )
- AC_DEFINE([ILBC_USE_FIXED_POINT], [1], [Enable fixed point processing, where possible, instead of floating point])
- ILBC_USE_FIXED_POINT="#define ILBC_USE_FIXED_POINT 1"
- ;;
- *)
- ILBC_USE_FIXED_POINT="#undef ILBC_USE_FIXED_POINT"
- ;;
- esac
-fi
-
-AC_SUBST(CC_FOR_BUILD)
-AC_SUBST(COMP_VENDOR_CFLAGS)
-AC_SUBST(TESTLIBS)
-AC_SUBST(ILBC_USE_FIXED_POINT)
-AC_SUBST(INSERT_INTTYPES_HEADER)
-AC_SUBST(INSERT_STDINT_HEADER)
-AC_SUBST(INSERT_TGMATH_HEADER)
-AC_SUBST(INSERT_MATH_HEADER)
-
-AC_CONFIG_FILES([Makefile
- doc/Makefile
- localtests/Makefile
- src/Makefile
- src/ilbc.h
- tests/Makefile
- ilbc.spec])
-
-AC_OUTPUT
-
-# @end 1
+++ /dev/null
-#! /bin/sh
-srcpath=$(dirname $0)
-$srcpath/configure "$@" --with-pic --disable-shared
-
+++ /dev/null
-ilbc (0.0.1) unstable; urgency=low
-
- [ Steve Underwood ]
- * Begun
-
- -- Steve Underwood <steveu@coppice.org> Thu, 15 Feb 2008 09:53:06 +0300
+++ /dev/null
-Source: ilbc
-Section: libs
-Priority: optional
-Maintainer: Debian VoIP Team <pkg-voip-maintainers@lists.alioth.debian.org>
-Uploaders: Jose Carlos Garcia Sogo <jsogo@debian.org>, Kilian Krause <kilian@debian.org>, Santiago Garcia Mantinan <manty@debian.org>, Mark Purcell <msp@debian.org>, Tzafrir Cohen <tzafrir.cohen@xorcom.com>, Santiago Ruano Rincón <santiago@debian.org>
-Build-Depends: debhelper (>= 4.0.0), dpatch, doxygen, autotools-dev
-Standards-Version: 3.7.2
-XS-Vcs-Svn: svn://svn.debian.org/pkg-voip/
-XS-Vcs-Browser: http://svn.debian.org/wsvn/pkg-voip/
-
-Package: libilbc
-Architecture: any
-Depends: ${shlibs:Depends}
-Conflicts: libilbc0, libilbc1, libilbc2
-Description: Telephony signal processing library
- This package contains the iLBC low bit rate speech codec.
- .
- This package contains the shared library.
-
-Package: libilbc-dev
-Section: libdevel
-Architecture: any
-Depends: libilbc3 (= ${Source-Version})
-Description: Telephony signal processing library
- This package contains the iLBC low bit rate speech codec.
- .
- This package contains the static library and development headers.
- .
- Homepage: http://www.soft-switch.org/
-
-Package: libilbc-doc
-Section: doc
-Architecture: all
-Description: Documentation for the ilbc signal processing library
- This package contains the iLBC low bit rate speech codec.
+++ /dev/null
-This package was debianized by Steve Underwood <steveu@coppice.org> on
-Thu, 15 Feb 2008 15:22:58 +0100.
-
-It was downloaded from http://soft-switch.org/downloads/voipcodecs/
-
-Copyright: The Internet Society and Steve Underwood <steveu@coppice.org>
-
-License:
-
-Global IP Sound iLBC Public License, v2.0
+++ /dev/null
-debian/tmp/usr/include
-debian/tmp/usr/lib/libilbc.so
-debian/tmp/usr/lib/libilbc.la
-debian/tmp/usr/lib/libilbc.a
+++ /dev/null
-doc/api/html usr/share/doc/libilbc-doc/api/
+++ /dev/null
-debian/tmp/usr/lib/libilbc.so.0.*
-debian/tmp/usr/lib/libilbc.so.0
+++ /dev/null
-#!/usr/bin/make -f
-
-# Uncomment this to turn on verbose mode.
-#export DH_VERBOSE=1
-
-DEB_HOST_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
-DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
-
-DEBVERSION:=$(shell head -n 1 debian/changelog \
- | sed -e 's/^[^(]*(\([^)]*\)).*/\1/')
-ORIGTARVER:=$(shell echo $(DEBVERSION) | sed -e 's/^.*://' -e 's/-[0-9.]*$$//')# -e 's/.dfsg$$//' -e 's/~//')
-
-UPVERSION:=$(shell echo $(ORIGTARVER) | tr -d '~')
-
-FILENAME := ilbc_$(ORIGTARVER).orig.tar.gz
-FULLNAME := ilbc-$(UPVERSION)
-URL := http://soft-switch.org/downloads/voipcodecs/ilbc-$(UPVERSION).tgz
-
-CFLAGS = -Wall -g
-
-ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
- CFLAGS += -O0
-else
- CFLAGS += -O2
-endif
-
-include /usr/share/dpatch/dpatch.make
-
-
-autotools: patch-stamp
- ln -s /usr/share/misc/config.sub config.sub
- ln -s /usr/share/misc/config.guess config.guess
- touch autotools
-
-config.status: autotools configure
- dh_testdir
- CFLAGS="$(CFLAGS)" ./configure \
- --host=$(DEB_HOST_GNU_TYPE) \
- --build=$(DEB_BUILD_GNU_TYPE) \
- --prefix=/usr \
- --mandir=\$${prefix}/share/man \
- --infodir=\$${prefix}/share/info \
- --enable-doc
-
-build: build-stamp
-
-build-stamp: config.status
- dh_testdir
- $(MAKE)
- touch build-stamp
-
-clean: clean-patched unpatch
-clean-patched:
- dh_testdir
- dh_testroot
- rm -f build-stamp autotools
- -$(MAKE) distclean
-
- -$(RM) -f config.sub
- -$(RM) -f config.guess
-
- dh_clean
-
-install: build-stamp
- dh_testdir
- dh_testroot
- dh_clean -k
- $(MAKE) install DESTDIR=$(CURDIR)/debian/tmp
-
-binary-indep: build-stamp install
- dh_testdir -i
- dh_testroot -i
- dh_installchangelogs -i ChangeLog
- dh_installdocs -i DueDiligence
- dh_install -i
- dh_compress -i
- dh_fixperms -i
- dh_installdeb -i
- dh_gencontrol -i
- dh_md5sums -i
- dh_builddeb -i
-
-binary-arch: build-stamp install
- dh_testdir -a
- dh_testroot -a
- dh_installchangelogs -a ChangeLog
- dh_installdocs -a DueDiligence
- dh_install -a
- dh_strip -a
- dh_compress -a
- dh_fixperms -a
- dh_makeshlibs -a
- dh_installdeb -a
- dh_shlibdeps -a
- dh_gencontrol -a
- dh_md5sums -a
- dh_builddeb -a
-
-get-orig-source:
- -@@dh_testdir
- @@[ -d ../tarballs/. ]||mkdir -p ../tarballs
- @@echo Downloading $(FILENAME) from $(URL) ...
- @@wget -N -nv -T10 -t3 -O ../tarballs/$(FILENAME) $(URL)
-
-binary: binary-indep binary-arch
-.PHONY: build clean binary-indep binary-arch binary install patch unpatch
+++ /dev/null
-# See uscan(1) for format
-
-# Compulsory line, this is a version 3 file
-version=3
-
-# <Webpage URL> <string match>
-http://soft-switch.org/downloads/voipcodecs/ ilbc-(.*)\.tgz debian svn-upgrade
+++ /dev/null
-##
-## iLBC - a library for the iLBC codec
-##
-## Makefile.am -- Process this file with automake to produce Makefile.in
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License version 2, as
-## published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-##
-## $Id: Makefile.am,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
-
-MAINTAINERCLEANFILES = Makefile.in
-
-EXTRA_DIST = css.css \
- wrapper.xsl
-
-all: doxydocs
-
-doxydocs:
- doxygen libilbc-doxygen
+++ /dev/null
-body {
- background-image: url("../images/weave.jpg");
- font-family: Verdana, Arial, Helvetica, Sans-serif;
- color: black;
- margin-right: 20px;
- margin-left: 20px;
-}
-
-h1 {
- text-align: center;
-}
-
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- font-family: Verdana, Arial, Helvetica, Sans-serif;
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-}
-
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- color: #4444ee
-}
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- font-weight: normal;
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-}
-a:hover {
- text-decoration: none;
- background-color: #f2f2ff
-}
-dl.el {
- margin-left: -1cm
-}
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- width: 100%;
- border: none;
- background-color: #eeeeee
-}
-div.ah {
- background-color: black;
- font-weight: bold;
- color: #ffffff;
- margin-bottom: 3px;
- margin-top: 3px
-}
-
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-
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- font-family: Verdana, Arial, Helvetica, Sans-serif;
- background-color: #B2B2ff;
- font-weight: bold;
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-
-.navfooter {
- font-family: Verdana, Arial, Helvetica, Sans-serif;
- background-color: #B2B2ff;
- font-weight: bold;
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-table.menu {
- background-color: #000066;
- font-weight: bold;
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- font-family: Verdana, Arial, Helvetica, Sans-serif;
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- border-bottom-color: #E0E0E0;
- border-left-color: #E0E0E0;
- border-top-style: solid;
- border-right-style: none;
- border-bottom-style: none;
- border-left-style: none;
- color: #606060;
- background-color: #FAFAFA;
- font-size: 80%;
-}
-.search {
- color: #003399;
- font-weight: bold;
-}
-form.search {
- margin-bottom: 0px;
- margin-top: 0px;
-}
-input.search {
- font-size: 75%;
- color: #000080;
- font-weight: normal;
- background-color: #eeeeff;
-}
-td.tiny {
- font-size: 75%;
-}
-a {
- color: #252e78;
-}
-a:visited {
- color: #3d2185;
-}
-.dirtab {
- padding: 4px;
- border-collapse: collapse;
- border: 1px solid #b0b0b0;
-}
-th.dirtab {
- background: #eeeeff;
- font-weight: bold;
-}
-hr {
- height: 1px;
- border: none;
- border-top: 1px solid black;
-}
+++ /dev/null
-# Doxyfile 1.4.4
-
-# This file describes the settings to be used by the documentation system
-# doxygen (www.doxygen.org) for a project
-#
-# All text after a hash (#) is considered a comment and will be ignored
-# The format is:
-# TAG = value [value, ...]
-# For lists items can also be appended using:
-# TAG += value [value, ...]
-# Values that contain spaces should be placed between quotes (" ")
-
-#---------------------------------------------------------------------------
-# Project related configuration options
-#---------------------------------------------------------------------------
-
-# The PROJECT_NAME tag is a single word (or a sequence of words surrounded
-# by quotes) that should identify the project.
-
-PROJECT_NAME = libvoipcodecs
-
-# The PROJECT_NUMBER tag can be used to enter a project or revision number.
-# This could be handy for archiving the generated documentation or
-# if some version control system is used.
-
-PROJECT_NUMBER = 0.0.1
-
-# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
-# base path where the generated documentation will be put.
-# If a relative path is entered, it will be relative to the location
-# where doxygen was started. If left blank the current directory will be used.
-
-OUTPUT_DIRECTORY = api
-
-# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create
-# 4096 sub-directories (in 2 levels) under the output directory of each output
-# format and will distribute the generated files over these directories.
-# Enabling this option can be useful when feeding doxygen a huge amount of
-# source files, where putting all generated files in the same directory would
-# otherwise cause performance problems for the file system.
-
-CREATE_SUBDIRS = NO
-
-# The OUTPUT_LANGUAGE tag is used to specify the language in which all
-# documentation generated by doxygen is written. Doxygen will use this
-# information to generate all constant output in the proper language.
-# The default language is English, other supported languages are:
-# Brazilian, Catalan, Chinese, Chinese-Traditional, Croatian, Czech, Danish,
-# Dutch, Finnish, French, German, Greek, Hungarian, Italian, Japanese,
-# Japanese-en (Japanese with English messages), Korean, Korean-en, Norwegian,
-# Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovene, Spanish,
-# Swedish, and Ukrainian.
-
-OUTPUT_LANGUAGE = English
-
-# This tag can be used to specify the encoding used in the generated output.
-# The encoding is not always determined by the language that is chosen,
-# but also whether or not the output is meant for Windows or non-Windows users.
-# In case there is a difference, setting the USE_WINDOWS_ENCODING tag to YES
-# forces the Windows encoding (this is the default for the Windows binary),
-# whereas setting the tag to NO uses a Unix-style encoding (the default for
-# all platforms other than Windows).
-
-USE_WINDOWS_ENCODING = YES
-
-# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will
-# include brief member descriptions after the members that are listed in
-# the file and class documentation (similar to JavaDoc).
-# Set to NO to disable this.
-
-BRIEF_MEMBER_DESC = YES
-
-# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend
-# the brief description of a member or function before the detailed description.
-# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the
-# brief descriptions will be completely suppressed.
-
-REPEAT_BRIEF = YES
-
-# This tag implements a quasi-intelligent brief description abbreviator
-# that is used to form the text in various listings. Each string
-# in this list, if found as the leading text of the brief description, will be
-# stripped from the text and the result after processing the whole list, is
-# used as the annotated text. Otherwise, the brief description is used as-is.
-# If left blank, the following values are used ("$name" is automatically
-# replaced with the name of the entity): "The $name class" "The $name widget"
-# "The $name file" "is" "provides" "specifies" "contains"
-# "represents" "a" "an" "the"
-
-ABBREVIATE_BRIEF =
-
-# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
-# Doxygen will generate a detailed section even if there is only a brief
-# description.
-
-ALWAYS_DETAILED_SEC = NO
-
-# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all
-# inherited members of a class in the documentation of that class as if those
-# members were ordinary class members. Constructors, destructors and assignment
-# operators of the base classes will not be shown.
-
-INLINE_INHERITED_MEMB = NO
-
-# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full
-# path before files name in the file list and in the header files. If set
-# to NO the shortest path that makes the file name unique will be used.
-
-FULL_PATH_NAMES = NO
-
-# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag
-# can be used to strip a user-defined part of the path. Stripping is
-# only done if one of the specified strings matches the left-hand part of
-# the path. The tag can be used to show relative paths in the file list.
-# If left blank the directory from which doxygen is run is used as the
-# path to strip.
-
-STRIP_FROM_PATH =
-
-# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of
-# the path mentioned in the documentation of a class, which tells
-# the reader which header file to include in order to use a class.
-# If left blank only the name of the header file containing the class
-# definition is used. Otherwise one should specify the include paths that
-# are normally passed to the compiler using the -I flag.
-
-STRIP_FROM_INC_PATH =
-
-# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter
-# (but less readable) file names. This can be useful is your file systems
-# doesn't support long names like on DOS, Mac, or CD-ROM.
-
-SHORT_NAMES = NO
-
-# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen
-# will interpret the first line (until the first dot) of a JavaDoc-style
-# comment as the brief description. If set to NO, the JavaDoc
-# comments will behave just like the Qt-style comments (thus requiring an
-# explicit @brief command for a brief description.
-
-JAVADOC_AUTOBRIEF = NO
-
-# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen
-# treat a multi-line C++ special comment block (i.e. a block of //! or ///
-# comments) as a brief description. This used to be the default behaviour.
-# The new default is to treat a multi-line C++ comment block as a detailed
-# description. Set this tag to YES if you prefer the old behaviour instead.
-
-MULTILINE_CPP_IS_BRIEF = NO
-
-# If the DETAILS_AT_TOP tag is set to YES then Doxygen
-# will output the detailed description near the top, like JavaDoc.
-# If set to NO, the detailed description appears after the member
-# documentation.
-
-DETAILS_AT_TOP = NO
-
-# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented
-# member inherits the documentation from any documented member that it
-# re-implements.
-
-INHERIT_DOCS = YES
-
-# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC
-# tag is set to YES, then doxygen will reuse the documentation of the first
-# member in the group (if any) for the other members of the group. By default
-# all members of a group must be documented explicitly.
-
-DISTRIBUTE_GROUP_DOC = NO
-
-# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce
-# a new page for each member. If set to NO, the documentation of a member will
-# be part of the file/class/namespace that contains it.
-
-SEPARATE_MEMBER_PAGES = NO
-
-# The TAB_SIZE tag can be used to set the number of spaces in a tab.
-# Doxygen uses this value to replace tabs by spaces in code fragments.
-
-TAB_SIZE = 8
-
-# This tag can be used to specify a number of aliases that acts
-# as commands in the documentation. An alias has the form "name=value".
-# For example adding "sideeffect=\par Side Effects:\n" will allow you to
-# put the command \sideeffect (or @sideeffect) in the documentation, which
-# will result in a user-defined paragraph with heading "Side Effects:".
-# You can put \n's in the value part of an alias to insert newlines.
-
-ALIASES =
-
-# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C
-# sources only. Doxygen will then generate output that is more tailored for C.
-# For instance, some of the names that are used will be different. The list
-# of all members will be omitted, etc.
-
-OPTIMIZE_OUTPUT_FOR_C = NO
-
-# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java sources
-# only. Doxygen will then generate output that is more tailored for Java.
-# For instance, namespaces will be presented as packages, qualified scopes
-# will look different, etc.
-
-OPTIMIZE_OUTPUT_JAVA = NO
-
-# Set the SUBGROUPING tag to YES (the default) to allow class member groups of
-# the same type (for instance a group of public functions) to be put as a
-# subgroup of that type (e.g. under the Public Functions section). Set it to
-# NO to prevent subgrouping. Alternatively, this can be done per class using
-# the \nosubgrouping command.
-
-SUBGROUPING = YES
-
-#---------------------------------------------------------------------------
-# Build related configuration options
-#---------------------------------------------------------------------------
-
-# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in
-# documentation are documented, even if no documentation was available.
-# Private class members and static file members will be hidden unless
-# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES
-
-EXTRACT_ALL = NO
-
-# If the EXTRACT_PRIVATE tag is set to YES all private members of a class
-# will be included in the documentation.
-
-EXTRACT_PRIVATE = NO
-
-# If the EXTRACT_STATIC tag is set to YES all static members of a file
-# will be included in the documentation.
-
-EXTRACT_STATIC = NO
-
-# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs)
-# defined locally in source files will be included in the documentation.
-# If set to NO only classes defined in header files are included.
-
-EXTRACT_LOCAL_CLASSES = YES
-
-# This flag is only useful for Objective-C code. When set to YES local
-# methods, which are defined in the implementation section but not in
-# the interface are included in the documentation.
-# If set to NO (the default) only methods in the interface are included.
-
-EXTRACT_LOCAL_METHODS = NO
-
-# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all
-# undocumented members of documented classes, files or namespaces.
-# If set to NO (the default) these members will be included in the
-# various overviews, but no documentation section is generated.
-# This option has no effect if EXTRACT_ALL is enabled.
-
-HIDE_UNDOC_MEMBERS = NO
-
-# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all
-# undocumented classes that are normally visible in the class hierarchy.
-# If set to NO (the default) these classes will be included in the various
-# overviews. This option has no effect if EXTRACT_ALL is enabled.
-
-HIDE_UNDOC_CLASSES = NO
-
-# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all
-# friend (class|struct|union) declarations.
-# If set to NO (the default) these declarations will be included in the
-# documentation.
-
-HIDE_FRIEND_COMPOUNDS = NO
-
-# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any
-# documentation blocks found inside the body of a function.
-# If set to NO (the default) these blocks will be appended to the
-# function's detailed documentation block.
-
-HIDE_IN_BODY_DOCS = NO
-
-# The INTERNAL_DOCS tag determines if documentation
-# that is typed after a \internal command is included. If the tag is set
-# to NO (the default) then the documentation will be excluded.
-# Set it to YES to include the internal documentation.
-
-INTERNAL_DOCS = NO
-
-# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate
-# file names in lower-case letters. If set to YES upper-case letters are also
-# allowed. This is useful if you have classes or files whose names only differ
-# in case and if your file system supports case sensitive file names. Windows
-# and Mac users are advised to set this option to NO.
-
-CASE_SENSE_NAMES = YES
-
-# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen
-# will show members with their full class and namespace scopes in the
-# documentation. If set to YES the scope will be hidden.
-
-HIDE_SCOPE_NAMES = NO
-
-# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen
-# will put a list of the files that are included by a file in the documentation
-# of that file.
-
-SHOW_INCLUDE_FILES = YES
-
-# If the INLINE_INFO tag is set to YES (the default) then a tag [inline]
-# is inserted in the documentation for inline members.
-
-INLINE_INFO = YES
-
-# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen
-# will sort the (detailed) documentation of file and class members
-# alphabetically by member name. If set to NO the members will appear in
-# declaration order.
-
-SORT_MEMBER_DOCS = YES
-
-# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the
-# brief documentation of file, namespace and class members alphabetically
-# by member name. If set to NO (the default) the members will appear in
-# declaration order.
-
-SORT_BRIEF_DOCS = NO
-
-# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be
-# sorted by fully-qualified names, including namespaces. If set to
-# NO (the default), the class list will be sorted only by class name,
-# not including the namespace part.
-# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
-# Note: This option applies only to the class list, not to the
-# alphabetical list.
-
-SORT_BY_SCOPE_NAME = NO
-
-# The GENERATE_TODOLIST tag can be used to enable (YES) or
-# disable (NO) the todo list. This list is created by putting \todo
-# commands in the documentation.
-
-GENERATE_TODOLIST = YES
-
-# The GENERATE_TESTLIST tag can be used to enable (YES) or
-# disable (NO) the test list. This list is created by putting \test
-# commands in the documentation.
-
-GENERATE_TESTLIST = YES
-
-# The GENERATE_BUGLIST tag can be used to enable (YES) or
-# disable (NO) the bug list. This list is created by putting \bug
-# commands in the documentation.
-
-GENERATE_BUGLIST = YES
-
-# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or
-# disable (NO) the deprecated list. This list is created by putting
-# \deprecated commands in the documentation.
-
-GENERATE_DEPRECATEDLIST= YES
-
-# The ENABLED_SECTIONS tag can be used to enable conditional
-# documentation sections, marked by \if sectionname ... \endif.
-
-ENABLED_SECTIONS =
-
-# The MAX_INITIALIZER_LINES tag determines the maximum number of lines
-# the initial value of a variable or define consists of for it to appear in
-# the documentation. If the initializer consists of more lines than specified
-# here it will be hidden. Use a value of 0 to hide initializers completely.
-# The appearance of the initializer of individual variables and defines in the
-# documentation can be controlled using \showinitializer or \hideinitializer
-# command in the documentation regardless of this setting.
-
-MAX_INITIALIZER_LINES = 30
-
-# Set the SHOW_USED_FILES tag to NO to disable the list of files generated
-# at the bottom of the documentation of classes and structs. If set to YES the
-# list will mention the files that were used to generate the documentation.
-
-SHOW_USED_FILES = YES
-
-# If the sources in your project are distributed over multiple directories
-# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy
-# in the documentation. The default is YES.
-
-SHOW_DIRECTORIES = YES
-
-# The FILE_VERSION_FILTER tag can be used to specify a program or script that
-# doxygen should invoke to get the current version for each file (typically from the
-# version control system). Doxygen will invoke the program by executing (via
-# popen()) the command <command> <input-file>, where <command> is the value of
-# the FILE_VERSION_FILTER tag, and <input-file> is the name of an input file
-# provided by doxygen. Whatever the progam writes to standard output
-# is used as the file version. See the manual for examples.
-
-FILE_VERSION_FILTER =
-
-#---------------------------------------------------------------------------
-# configuration options related to warning and progress messages
-#---------------------------------------------------------------------------
-
-# The QUIET tag can be used to turn on/off the messages that are generated
-# by doxygen. Possible values are YES and NO. If left blank NO is used.
-
-QUIET = NO
-
-# The WARNINGS tag can be used to turn on/off the warning messages that are
-# generated by doxygen. Possible values are YES and NO. If left blank
-# NO is used.
-
-WARNINGS = YES
-
-# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings
-# for undocumented members. If EXTRACT_ALL is set to YES then this flag will
-# automatically be disabled.
-
-WARN_IF_UNDOCUMENTED = YES
-
-# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for
-# potential errors in the documentation, such as not documenting some
-# parameters in a documented function, or documenting parameters that
-# don't exist or using markup commands wrongly.
-
-WARN_IF_DOC_ERROR = YES
-
-# This WARN_NO_PARAMDOC option can be abled to get warnings for
-# functions that are documented, but have no documentation for their parameters
-# or return value. If set to NO (the default) doxygen will only warn about
-# wrong or incomplete parameter documentation, but not about the absence of
-# documentation.
-
-WARN_NO_PARAMDOC = NO
-
-# The WARN_FORMAT tag determines the format of the warning messages that
-# doxygen can produce. The string should contain the $file, $line, and $text
-# tags, which will be replaced by the file and line number from which the
-# warning originated and the warning text. Optionally the format may contain
-# $version, which will be replaced by the version of the file (if it could
-# be obtained via FILE_VERSION_FILTER)
-
-WARN_FORMAT =
-
-# The WARN_LOGFILE tag can be used to specify a file to which warning
-# and error messages should be written. If left blank the output is written
-# to stderr.
-
-WARN_LOGFILE =
-
-#---------------------------------------------------------------------------
-# configuration options related to the input files
-#---------------------------------------------------------------------------
-
-# The INPUT tag can be used to specify the files and/or directories that contain
-# documented source files. You may enter file names like "myfile.cpp" or
-# directories like "/usr/src/myproject". Separate the files or directories
-# with spaces.
-
-INPUT = ..
-
-# If the value of the INPUT tag contains directories, you can use the
-# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
-# and *.h) to filter out the source-files in the directories. If left
-# blank the following patterns are tested:
-# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx
-# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm
-
-FILE_PATTERNS = *.c \
- *.h
-
-# The RECURSIVE tag can be used to turn specify whether or not subdirectories
-# should be searched for input files as well. Possible values are YES and NO.
-# If left blank NO is used.
-
-RECURSIVE = YES
-
-# The EXCLUDE tag can be used to specify files and/or directories that should
-# excluded from the INPUT source files. This way you can easily exclude a
-# subdirectory from a directory tree whose root is specified with the INPUT tag.
-
-EXCLUDE =
-
-# The EXCLUDE_SYMLINKS tag can be used select whether or not files or
-# directories that are symbolic links (a Unix filesystem feature) are excluded
-# from the input.
-
-EXCLUDE_SYMLINKS = NO
-
-# If the value of the INPUT tag contains directories, you can use the
-# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
-# certain files from those directories. Note that the wildcards are matched
-# against the file with absolute path, so to exclude all test directories
-# for example use the pattern */test/*
-
-EXCLUDE_PATTERNS =
-
-# The EXAMPLE_PATH tag can be used to specify one or more files or
-# directories that contain example code fragments that are included (see
-# the \include command).
-
-EXAMPLE_PATH =
-
-# If the value of the EXAMPLE_PATH tag contains directories, you can use the
-# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
-# and *.h) to filter out the source-files in the directories. If left
-# blank all files are included.
-
-EXAMPLE_PATTERNS =
-
-# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
-# searched for input files to be used with the \include or \dontinclude
-# commands irrespective of the value of the RECURSIVE tag.
-# Possible values are YES and NO. If left blank NO is used.
-
-EXAMPLE_RECURSIVE = NO
-
-# The IMAGE_PATH tag can be used to specify one or more files or
-# directories that contain image that are included in the documentation (see
-# the \image command).
-
-IMAGE_PATH =
-
-# The INPUT_FILTER tag can be used to specify a program that doxygen should
-# invoke to filter for each input file. Doxygen will invoke the filter program
-# by executing (via popen()) the command <filter> <input-file>, where <filter>
-# is the value of the INPUT_FILTER tag, and <input-file> is the name of an
-# input file. Doxygen will then use the output that the filter program writes
-# to standard output. If FILTER_PATTERNS is specified, this tag will be
-# ignored.
-
-INPUT_FILTER =
-
-# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
-# basis. Doxygen will compare the file name with each pattern and apply the
-# filter if there is a match. The filters are a list of the form:
-# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further
-# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER
-# is applied to all files.
-
-FILTER_PATTERNS =
-
-# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
-# INPUT_FILTER) will be used to filter the input files when producing source
-# files to browse (i.e. when SOURCE_BROWSER is set to YES).
-
-FILTER_SOURCE_FILES = NO
-
-#---------------------------------------------------------------------------
-# configuration options related to source browsing
-#---------------------------------------------------------------------------
-
-# If the SOURCE_BROWSER tag is set to YES then a list of source files will
-# be generated. Documented entities will be cross-referenced with these sources.
-# Note: To get rid of all source code in the generated output, make sure also
-# VERBATIM_HEADERS is set to NO.
-
-SOURCE_BROWSER = NO
-
-# Setting the INLINE_SOURCES tag to YES will include the body
-# of functions and classes directly in the documentation.
-
-INLINE_SOURCES = NO
-
-# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct
-# doxygen to hide any special comment blocks from generated source code
-# fragments. Normal C and C++ comments will always remain visible.
-
-STRIP_CODE_COMMENTS = NO
-
-# If the REFERENCED_BY_RELATION tag is set to YES (the default)
-# then for each documented function all documented
-# functions referencing it will be listed.
-
-REFERENCED_BY_RELATION = YES
-
-# If the REFERENCES_RELATION tag is set to YES (the default)
-# then for each documented function all documented entities
-# called/used by that function will be listed.
-
-REFERENCES_RELATION = YES
-
-# If the USE_HTAGS tag is set to YES then the references to source code
-# will point to the HTML generated by the htags(1) tool instead of doxygen
-# built-in source browser. The htags tool is part of GNU's global source
-# tagging system (see http://www.gnu.org/software/global/global.html). You
-# will need version 4.8.6 or higher.
-
-USE_HTAGS = NO
-
-# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen
-# will generate a verbatim copy of the header file for each class for
-# which an include is specified. Set to NO to disable this.
-
-VERBATIM_HEADERS = YES
-
-#---------------------------------------------------------------------------
-# configuration options related to the alphabetical class index
-#---------------------------------------------------------------------------
-
-# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index
-# of all compounds will be generated. Enable this if the project
-# contains a lot of classes, structs, unions or interfaces.
-
-ALPHABETICAL_INDEX = YES
-
-# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then
-# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns
-# in which this list will be split (can be a number in the range [1..20])
-
-COLS_IN_ALPHA_INDEX = 2
-
-# In case all classes in a project start with a common prefix, all
-# classes will be put under the same header in the alphabetical index.
-# The IGNORE_PREFIX tag can be used to specify one or more prefixes that
-# should be ignored while generating the index headers.
-
-IGNORE_PREFIX =
-
-#---------------------------------------------------------------------------
-# configuration options related to the HTML output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_HTML tag is set to YES (the default) Doxygen will
-# generate HTML output.
-
-GENERATE_HTML = YES
-
-# The HTML_OUTPUT tag is used to specify where the HTML docs will be put.
-# If a relative path is entered the value of OUTPUT_DIRECTORY will be
-# put in front of it. If left blank `html' will be used as the default path.
-
-HTML_OUTPUT =
-
-# The HTML_FILE_EXTENSION tag can be used to specify the file extension for
-# each generated HTML page (for example: .htm,.php,.asp). If it is left blank
-# doxygen will generate files with .html extension.
-
-HTML_FILE_EXTENSION = .html
-
-# The HTML_HEADER tag can be used to specify a personal HTML header for
-# each generated HTML page. If it is left blank doxygen will generate a
-# standard header.
-
-HTML_HEADER =
-
-# The HTML_FOOTER tag can be used to specify a personal HTML footer for
-# each generated HTML page. If it is left blank doxygen will generate a
-# standard footer.
-
-HTML_FOOTER =
-
-# The HTML_STYLESHEET tag can be used to specify a user-defined cascading
-# style sheet that is used by each HTML page. It can be used to
-# fine-tune the look of the HTML output. If the tag is left blank doxygen
-# will generate a default style sheet. Note that doxygen will try to copy
-# the style sheet file to the HTML output directory, so don't put your own
-# stylesheet in the HTML output directory as well, or it will be erased!
-
-HTML_STYLESHEET = css.css
-
-# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes,
-# files or namespaces will be aligned in HTML using tables. If set to
-# NO a bullet list will be used.
-
-HTML_ALIGN_MEMBERS = YES
-
-# If the GENERATE_HTMLHELP tag is set to YES, additional index files
-# will be generated that can be used as input for tools like the
-# Microsoft HTML help workshop to generate a compressed HTML help file (.chm)
-# of the generated HTML documentation.
-
-GENERATE_HTMLHELP = NO
-
-# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can
-# be used to specify the file name of the resulting .chm file. You
-# can add a path in front of the file if the result should not be
-# written to the html output directory.
-
-CHM_FILE =
-
-# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can
-# be used to specify the location (absolute path including file name) of
-# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run
-# the HTML help compiler on the generated index.hhp.
-
-HHC_LOCATION =
-
-# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag
-# controls if a separate .chi index file is generated (YES) or that
-# it should be included in the master .chm file (NO).
-
-GENERATE_CHI = NO
-
-# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag
-# controls whether a binary table of contents is generated (YES) or a
-# normal table of contents (NO) in the .chm file.
-
-BINARY_TOC = NO
-
-# The TOC_EXPAND flag can be set to YES to add extra items for group members
-# to the contents of the HTML help documentation and to the tree view.
-
-TOC_EXPAND = NO
-
-# The DISABLE_INDEX tag can be used to turn on/off the condensed index at
-# top of each HTML page. The value NO (the default) enables the index and
-# the value YES disables it.
-
-DISABLE_INDEX = NO
-
-# This tag can be used to set the number of enum values (range [1..20])
-# that doxygen will group on one line in the generated HTML documentation.
-
-ENUM_VALUES_PER_LINE = 4
-
-# If the GENERATE_TREEVIEW tag is set to YES, a side panel will be
-# generated containing a tree-like index structure (just like the one that
-# is generated for HTML Help). For this to work a browser that supports
-# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+,
-# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are
-# probably better off using the HTML help feature.
-
-GENERATE_TREEVIEW = YES
-
-# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be
-# used to set the initial width (in pixels) of the frame in which the tree
-# is shown.
-
-TREEVIEW_WIDTH = 250
-
-#---------------------------------------------------------------------------
-# configuration options related to the LaTeX output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will
-# generate Latex output.
-
-GENERATE_LATEX = NO
-
-# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put.
-# If a relative path is entered the value of OUTPUT_DIRECTORY will be
-# put in front of it. If left blank `latex' will be used as the default path.
-
-LATEX_OUTPUT =
-
-# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
-# invoked. If left blank `latex' will be used as the default command name.
-
-LATEX_CMD_NAME = latex
-
-# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to
-# generate index for LaTeX. If left blank `makeindex' will be used as the
-# default command name.
-
-MAKEINDEX_CMD_NAME = makeindex
-
-# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact
-# LaTeX documents. This may be useful for small projects and may help to
-# save some trees in general.
-
-COMPACT_LATEX = NO
-
-# The PAPER_TYPE tag can be used to set the paper type that is used
-# by the printer. Possible values are: a4, a4wide, letter, legal and
-# executive. If left blank a4wide will be used.
-
-PAPER_TYPE = a4wide
-
-# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX
-# packages that should be included in the LaTeX output.
-
-EXTRA_PACKAGES =
-
-# The LATEX_HEADER tag can be used to specify a personal LaTeX header for
-# the generated latex document. The header should contain everything until
-# the first chapter. If it is left blank doxygen will generate a
-# standard header. Notice: only use this tag if you know what you are doing!
-
-LATEX_HEADER =
-
-# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated
-# is prepared for conversion to pdf (using ps2pdf). The pdf file will
-# contain links (just like the HTML output) instead of page references
-# This makes the output suitable for online browsing using a pdf viewer.
-
-PDF_HYPERLINKS = NO
-
-# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of
-# plain latex in the generated Makefile. Set this option to YES to get a
-# higher quality PDF documentation.
-
-USE_PDFLATEX = NO
-
-# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode.
-# command to the generated LaTeX files. This will instruct LaTeX to keep
-# running if errors occur, instead of asking the user for help.
-# This option is also used when generating formulas in HTML.
-
-LATEX_BATCHMODE = NO
-
-# If LATEX_HIDE_INDICES is set to YES then doxygen will not
-# include the index chapters (such as File Index, Compound Index, etc.)
-# in the output.
-
-LATEX_HIDE_INDICES = NO
-
-#---------------------------------------------------------------------------
-# configuration options related to the RTF output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output
-# The RTF output is optimized for Word 97 and may not look very pretty with
-# other RTF readers or editors.
-
-GENERATE_RTF = NO
-
-# The RTF_OUTPUT tag is used to specify where the RTF docs will be put.
-# If a relative path is entered the value of OUTPUT_DIRECTORY will be
-# put in front of it. If left blank `rtf' will be used as the default path.
-
-RTF_OUTPUT =
-
-# If the COMPACT_RTF tag is set to YES Doxygen generates more compact
-# RTF documents. This may be useful for small projects and may help to
-# save some trees in general.
-
-COMPACT_RTF = NO
-
-# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated
-# will contain hyperlink fields. The RTF file will
-# contain links (just like the HTML output) instead of page references.
-# This makes the output suitable for online browsing using WORD or other
-# programs which support those fields.
-# Note: wordpad (write) and others do not support links.
-
-RTF_HYPERLINKS = NO
-
-# Load stylesheet definitions from file. Syntax is similar to doxygen's
-# config file, i.e. a series of assignments. You only have to provide
-# replacements, missing definitions are set to their default value.
-
-RTF_STYLESHEET_FILE =
-
-# Set optional variables used in the generation of an rtf document.
-# Syntax is similar to doxygen's config file.
-
-RTF_EXTENSIONS_FILE =
-
-#---------------------------------------------------------------------------
-# configuration options related to the man page output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_MAN tag is set to YES (the default) Doxygen will
-# generate man pages
-
-GENERATE_MAN = NO
-
-# The MAN_OUTPUT tag is used to specify where the man pages will be put.
-# If a relative path is entered the value of OUTPUT_DIRECTORY will be
-# put in front of it. If left blank `man' will be used as the default path.
-
-MAN_OUTPUT =
-
-# The MAN_EXTENSION tag determines the extension that is added to
-# the generated man pages (default is the subroutine's section .3)
-
-MAN_EXTENSION =
-
-# If the MAN_LINKS tag is set to YES and Doxygen generates man output,
-# then it will generate one additional man file for each entity
-# documented in the real man page(s). These additional files
-# only source the real man page, but without them the man command
-# would be unable to find the correct page. The default is NO.
-
-MAN_LINKS = NO
-
-#---------------------------------------------------------------------------
-# configuration options related to the XML output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_XML tag is set to YES Doxygen will
-# generate an XML file that captures the structure of
-# the code including all documentation.
-
-GENERATE_XML = NO
-
-# The XML_OUTPUT tag is used to specify where the XML pages will be put.
-# If a relative path is entered the value of OUTPUT_DIRECTORY will be
-# put in front of it. If left blank `xml' will be used as the default path.
-
-XML_OUTPUT = xml
-
-# The XML_SCHEMA tag can be used to specify an XML schema,
-# which can be used by a validating XML parser to check the
-# syntax of the XML files.
-
-XML_SCHEMA =
-
-# The XML_DTD tag can be used to specify an XML DTD,
-# which can be used by a validating XML parser to check the
-# syntax of the XML files.
-
-XML_DTD =
-
-# If the XML_PROGRAMLISTING tag is set to YES Doxygen will
-# dump the program listings (including syntax highlighting
-# and cross-referencing information) to the XML output. Note that
-# enabling this will significantly increase the size of the XML output.
-
-XML_PROGRAMLISTING = YES
-
-#---------------------------------------------------------------------------
-# configuration options for the AutoGen Definitions output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will
-# generate an AutoGen Definitions (see autogen.sf.net) file
-# that captures the structure of the code including all
-# documentation. Note that this feature is still experimental
-# and incomplete at the moment.
-
-GENERATE_AUTOGEN_DEF = NO
-
-#---------------------------------------------------------------------------
-# configuration options related to the Perl module output
-#---------------------------------------------------------------------------
-
-# If the GENERATE_PERLMOD tag is set to YES Doxygen will
-# generate a Perl module file that captures the structure of
-# the code including all documentation. Note that this
-# feature is still experimental and incomplete at the
-# moment.
-
-GENERATE_PERLMOD = NO
-
-# If the PERLMOD_LATEX tag is set to YES Doxygen will generate
-# the necessary Makefile rules, Perl scripts and LaTeX code to be able
-# to generate PDF and DVI output from the Perl module output.
-
-PERLMOD_LATEX = NO
-
-# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be
-# nicely formatted so it can be parsed by a human reader. This is useful
-# if you want to understand what is going on. On the other hand, if this
-# tag is set to NO the size of the Perl module output will be much smaller
-# and Perl will parse it just the same.
-
-PERLMOD_PRETTY = YES
-
-# The names of the make variables in the generated doxyrules.make file
-# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX.
-# This is useful so different doxyrules.make files included by the same
-# Makefile don't overwrite each other's variables.
-
-PERLMOD_MAKEVAR_PREFIX =
-
-#---------------------------------------------------------------------------
-# Configuration options related to the preprocessor
-#---------------------------------------------------------------------------
-
-# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will
-# evaluate all C-preprocessor directives found in the sources and include
-# files.
-
-ENABLE_PREPROCESSING = YES
-
-# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro
-# names in the source code. If set to NO (the default) only conditional
-# compilation will be performed. Macro expansion can be done in a controlled
-# way by setting EXPAND_ONLY_PREDEF to YES.
-
-MACRO_EXPANSION = NO
-
-# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES
-# then the macro expansion is limited to the macros specified with the
-# PREDEFINED and EXPAND_AS_PREDEFINED tags.
-
-EXPAND_ONLY_PREDEF = NO
-
-# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files
-# in the INCLUDE_PATH (see below) will be search if a #include is found.
-
-SEARCH_INCLUDES = YES
-
-# The INCLUDE_PATH tag can be used to specify one or more directories that
-# contain include files that are not input files but should be processed by
-# the preprocessor.
-
-INCLUDE_PATH =
-
-# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
-# patterns (like *.h and *.hpp) to filter out the header-files in the
-# directories. If left blank, the patterns specified with FILE_PATTERNS will
-# be used.
-
-INCLUDE_FILE_PATTERNS =
-
-# The PREDEFINED tag can be used to specify one or more macro names that
-# are defined before the preprocessor is started (similar to the -D option of
-# gcc). The argument of the tag is a list of macros of the form: name
-# or name=definition (no spaces). If the definition and the = are
-# omitted =1 is assumed. To prevent a macro definition from being
-# undefined via #undef or recursively expanded use the := operator
-# instead of the = operator.
-
-PREDEFINED =
-
-# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then
-# this tag can be used to specify a list of macro names that should be expanded.
-# The macro definition that is found in the sources will be used.
-# Use the PREDEFINED tag if you want to use a different macro definition.
-
-EXPAND_AS_DEFINED =
-
-# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then
-# doxygen's preprocessor will remove all function-like macros that are alone
-# on a line, have an all uppercase name, and do not end with a semicolon. Such
-# function macros are typically used for boiler-plate code, and will confuse
-# the parser if not removed.
-
-SKIP_FUNCTION_MACROS = YES
-
-#---------------------------------------------------------------------------
-# Configuration::additions related to external references
-#---------------------------------------------------------------------------
-
-# The TAGFILES option can be used to specify one or more tagfiles.
-# Optionally an initial location of the external documentation
-# can be added for each tagfile. The format of a tag file without
-# this location is as follows:
-# TAGFILES = file1 file2 ...
-# Adding location for the tag files is done as follows:
-# TAGFILES = file1=loc1 "file2 = loc2" ...
-# where "loc1" and "loc2" can be relative or absolute paths or
-# URLs. If a location is present for each tag, the installdox tool
-# does not have to be run to correct the links.
-# Note that each tag file must have a unique name
-# (where the name does NOT include the path)
-# If a tag file is not located in the directory in which doxygen
-# is run, you must also specify the path to the tagfile here.
-
-TAGFILES =
-
-# When a file name is specified after GENERATE_TAGFILE, doxygen will create
-# a tag file that is based on the input files it reads.
-
-GENERATE_TAGFILE =
-
-# If the ALLEXTERNALS tag is set to YES all external classes will be listed
-# in the class index. If set to NO only the inherited external classes
-# will be listed.
-
-ALLEXTERNALS = NO
-
-# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed
-# in the modules index. If set to NO, only the current project's groups will
-# be listed.
-
-EXTERNAL_GROUPS = YES
-
-# The PERL_PATH should be the absolute path and name of the perl script
-# interpreter (i.e. the result of `which perl').
-
-PERL_PATH = /usr/bin/perl
-
-#---------------------------------------------------------------------------
-# Configuration options related to the dot tool
-#---------------------------------------------------------------------------
-
-# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will
-# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base
-# or super classes. Setting the tag to NO turns the diagrams off. Note that
-# this option is superseded by the HAVE_DOT option below. This is only a
-# fallback. It is recommended to install and use dot, since it yields more
-# powerful graphs.
-
-CLASS_DIAGRAMS = YES
-
-# If set to YES, the inheritance and collaboration graphs will hide
-# inheritance and usage relations if the target is undocumented
-# or is not a class.
-
-HIDE_UNDOC_RELATIONS = YES
-
-# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
-# available from the path. This tool is part of Graphviz, a graph visualization
-# toolkit from AT&T and Lucent Bell Labs. The other options in this section
-# have no effect if this option is set to NO (the default)
-
-HAVE_DOT = NO
-
-# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen
-# will generate a graph for each documented class showing the direct and
-# indirect inheritance relations. Setting this tag to YES will force the
-# the CLASS_DIAGRAMS tag to NO.
-
-CLASS_GRAPH = YES
-
-# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen
-# will generate a graph for each documented class showing the direct and
-# indirect implementation dependencies (inheritance, containment, and
-# class references variables) of the class with other documented classes.
-
-COLLABORATION_GRAPH = YES
-
-# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen
-# will generate a graph for groups, showing the direct groups dependencies
-
-GROUP_GRAPHS = YES
-
-# If the UML_LOOK tag is set to YES doxygen will generate inheritance and
-# collaboration diagrams in a style similar to the OMG's Unified Modeling
-# Language.
-
-UML_LOOK = NO
-
-# If set to YES, the inheritance and collaboration graphs will show the
-# relations between templates and their instances.
-
-TEMPLATE_RELATIONS = YES
-
-# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT
-# tags are set to YES then doxygen will generate a graph for each documented
-# file showing the direct and indirect include dependencies of the file with
-# other documented files.
-
-INCLUDE_GRAPH = YES
-
-# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and
-# HAVE_DOT tags are set to YES then doxygen will generate a graph for each
-# documented header file showing the documented files that directly or
-# indirectly include this file.
-
-INCLUDED_BY_GRAPH = YES
-
-# If the CALL_GRAPH and HAVE_DOT tags are set to YES then doxygen will
-# generate a call dependency graph for every global function or class method.
-# Note that enabling this option will significantly increase the time of a run.
-# So in most cases it will be better to enable call graphs for selected
-# functions only using the \callgraph command.
-
-CALL_GRAPH = NO
-
-# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen
-# will graphical hierarchy of all classes instead of a textual one.
-
-GRAPHICAL_HIERARCHY = YES
-
-# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES
-# then doxygen will show the dependencies a directory has on other directories
-# in a graphical way. The dependency relations are determined by the #include
-# relations between the files in the directories.
-
-DIRECTORY_GRAPH = YES
-
-# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
-# generated by dot. Possible values are png, jpg, or gif
-# If left blank png will be used.
-
-DOT_IMAGE_FORMAT = png
-
-# The tag DOT_PATH can be used to specify the path where the dot tool can be
-# found. If left blank, it is assumed the dot tool can be found in the path.
-
-DOT_PATH =
-
-# The DOTFILE_DIRS tag can be used to specify one or more directories that
-# contain dot files that are included in the documentation (see the
-# \dotfile command).
-
-DOTFILE_DIRS =
-
-# The MAX_DOT_GRAPH_WIDTH tag can be used to set the maximum allowed width
-# (in pixels) of the graphs generated by dot. If a graph becomes larger than
-# this value, doxygen will try to truncate the graph, so that it fits within
-# the specified constraint. Beware that most browsers cannot cope with very
-# large images.
-
-MAX_DOT_GRAPH_WIDTH = 1024
-
-# The MAX_DOT_GRAPH_HEIGHT tag can be used to set the maximum allows height
-# (in pixels) of the graphs generated by dot. If a graph becomes larger than
-# this value, doxygen will try to truncate the graph, so that it fits within
-# the specified constraint. Beware that most browsers cannot cope with very
-# large images.
-
-MAX_DOT_GRAPH_HEIGHT = 1024
-
-# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the
-# graphs generated by dot. A depth value of 3 means that only nodes reachable
-# from the root by following a path via at most 3 edges will be shown. Nodes
-# that lay further from the root node will be omitted. Note that setting this
-# option to 1 or 2 may greatly reduce the computation time needed for large
-# code bases. Also note that a graph may be further truncated if the graph's
-# image dimensions are not sufficient to fit the graph (see MAX_DOT_GRAPH_WIDTH
-# and MAX_DOT_GRAPH_HEIGHT). If 0 is used for the depth value (the default),
-# the graph is not depth-constrained.
-
-MAX_DOT_GRAPH_DEPTH = 0
-
-# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent
-# background. This is disabled by default, which results in a white background.
-# Warning: Depending on the platform used, enabling this option may lead to
-# badly anti-aliased labels on the edges of a graph (i.e. they become hard to
-# read).
-
-DOT_TRANSPARENT = NO
-
-# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output
-# files in one run (i.e. multiple -o and -T options on the command line). This
-# makes dot run faster, but since only newer versions of dot (>1.8.10)
-# support this, this feature is disabled by default.
-
-DOT_MULTI_TARGETS = NO
-
-# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will
-# generate a legend page explaining the meaning of the various boxes and
-# arrows in the dot generated graphs.
-
-GENERATE_LEGEND = YES
-
-# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will
-# remove the intermediate dot files that are used to generate
-# the various graphs.
-
-DOT_CLEANUP = YES
-
-#---------------------------------------------------------------------------
-# Configuration::additions related to the search engine
-#---------------------------------------------------------------------------
-
-# The SEARCHENGINE tag specifies whether or not a search engine should be
-# used. If set to NO the values of all tags below this one will be ignored.
-
-SEARCHENGINE = NO
+++ /dev/null
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
- version='1.0'>
- <xsl:import href="http://docbook.sourceforge.net/release/xsl/current/xhtml/chunk.xsl"/>
- <xsl:param name="html.stylesheet">css.css</xsl:param>
-</xsl:stylesheet>
\ No newline at end of file
+++ /dev/null
-Summary: iLBC is a library for the iLBC low bit rate speech codec.
-Name: ilbc
-Version: 0.0.1
-Release: 1
-License: Global IP Sound iLBC Public License, v2.0
-Group: System Environment/Libraries
-URL: http://www.soft-switch.org/voipcodecs
-BuildRoot: %{_tmppath}/%{name}-%{version}-root
-Source: http://www.soft-switch.org/downloads/voipcodecs/ilbc-0.0.1.tar.gz
-BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-
-Docdir: %{_prefix}/doc
-
-BuildRequires: audiofile-devel
-BuildRequires: doxygen
-
-%description
-iLBC is a library for the iLBC low bit rate speech codec.
-
-%package devel
-Summary: iLBC development files
-Group: Development/Libraries
-Requires: ilbc = %{version}
-PreReq: /sbin/install-info
-
-%description devel
-iLBC development files.
-
-%prep
-%setup -q
-
-%build
-%configure --enable-doc --disable-static --disable-rpath
-make
-
-%install
-rm -rf %{buildroot}
-make install DESTDIR=%{buildroot}
-rm %{buildroot}%{_libdir}/libilbc.la
-
-%clean
-rm -rf %{buildroot}
-
-%files
-%defattr(-,root,root,-)
-%doc ChangeLog AUTHORS COPYING NEWS README
-
-%{_libdir}/libilbc.so.*
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- OutputDirectory="$(SolutionDir)$(ConfigurationName)"\r
- IntermediateDirectory="$(ConfigurationName)"\r
- ConfigurationType="4"\r
- CharacterSet="1"\r
- WholeProgramOptimization="1"\r
- >\r
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- </Configurations>\r
- <References>\r
- </References>\r
- <Files>\r
- <Filter\r
- Name="Source Files"\r
- Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"\r
- UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"\r
- >\r
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+++ /dev/null
-##
-## VoIPcodecs - a series of DSP components for telephony
-##
-## Makefile.am -- Process this file with automake to produce Makefile.in
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License version 2, as
-## published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-##
-## $Id: Makefile.am,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
-
-SUBDIRS =
-
-DIST_SUBDIRS =
-
-EXTRA_DIST = clean.chn \
- iLBC.INP \
- iLBC_20ms.BIT \
- iLBC_20ms_clean.OUT \
- iLBC_20ms_tlm05.OUT \
- iLBC_30ms.BIT \
- iLBC_30ms_clean.OUT \
- iLBC_30ms_tlm05.OUT \
- iLBC_test.txt \
- short_nb_voice.wav \
- tlm05.chn
-
-all:
-
-clean:
+++ /dev/null
-
-#Test iLBC executable for 20 and 30 ms frames on a clean channel
-
-./iLBC_test 20 iLBC.INP iLBC_20ms.BIT iLBC_20ms_clean.OUT clean.chn
-./iLBC_test 30 iLBC.INP iLBC_30ms.BIT iLBC_30ms_clean.OUT clean.chn
-
-#Test iLBC executable for 20 and 30 ms frames on a channel with ~5% packet losses
-
-./iLBC_test 20 iLBC.INP tmp.BIT iLBC_20ms_tlm05.OUT tlm05.chn
-./iLBC_test 30 iLBC.INP tmp.BIT iLBC_30ms_tlm05.OUT tlm05.chn
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * FrameClassify.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: FrameClassify.c,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "FrameClassify.h"
-
-/*---------------------------------------------------------------*
- * Classification of subframes to localize start state
- *--------------------------------------------------------------*/
-
-int FrameClassify( /* index to the max-energy sub-frame */
- ilbc_encode_state_t *iLBCenc_inst, /* (i/o) the encoder state structure */
- float *residual) /* (i) lpc residual signal */
-{
- float max_ssqEn;
- float fssqEn[ILBC_NUM_SUB_MAX];
- float bssqEn[ILBC_NUM_SUB_MAX];
- float *pp;
- int n;
- int l;
- int max_ssqEn_n;
- static const float ssqEn_win[ILBC_NUM_SUB_MAX - 1] =
- {
- 0.8f, 0.9f,
- 1.0f, 0.9f, 0.8f
- };
- static const float sampEn_win[5]=
- {
- 1.0f/6.0f,
- 2.0f/6.0f, 3.0f/6.0f,
- 4.0f/6.0f, 5.0f/6.0f
- };
-
- /* init the front and back energies to zero */
- memset(fssqEn, 0, ILBC_NUM_SUB_MAX*sizeof(float));
- memset(bssqEn, 0, ILBC_NUM_SUB_MAX*sizeof(float));
-
- /* Calculate front of first sequence */
- n = 0;
- pp = residual;
- for (l = 0; l < 5; l++)
- {
- fssqEn[n] += sampEn_win[l]*(*pp)*(*pp);
- pp++;
- }
- for (l = 5; l < SUBL; l++)
- {
- fssqEn[n] += (*pp)*(*pp);
- pp++;
- }
-
- /* Calculate front and back of all middle sequences */
- for (n = 1; n < iLBCenc_inst->nsub - 1; n++)
- {
- pp = residual + n*SUBL;
- for (l = 0; l < 5; l++)
- {
- fssqEn[n] += sampEn_win[l]*(*pp)*(*pp);
- bssqEn[n] += (*pp)*(*pp);
- pp++;
- }
- for (l = 5; l < SUBL - 5; l++)
- {
- fssqEn[n] += (*pp)*(*pp);
- bssqEn[n] += (*pp)*(*pp);
- pp++;
- }
- for (l = SUBL - 5; l < SUBL; l++)
- {
- fssqEn[n] += (*pp)*(*pp);
- bssqEn[n] += sampEn_win[SUBL - l - 1]*(*pp)*(*pp);
- pp++;
- }
- }
-
- /* Calculate back of last sequence */
- n = iLBCenc_inst->nsub - 1;
- pp = residual + n*SUBL;
- for (l = 0; l < SUBL - 5; l++)
- {
- bssqEn[n] += (*pp)*(*pp);
- pp++;
- }
- for (l = SUBL - 5; l < SUBL; l++)
- {
- bssqEn[n] += sampEn_win[SUBL - l - 1]*(*pp)*(*pp);
- pp++;
- }
-
- /* find the index to the weighted 80 sample with
- most energy */
- l = (iLBCenc_inst->mode == 20) ? 1 : 0;
- max_ssqEn = (fssqEn[0] + bssqEn[1])*ssqEn_win[l];
- max_ssqEn_n = 1;
- for (n = 2; n < iLBCenc_inst->nsub; n++)
- {
- l++;
- if ((fssqEn[n - 1] + bssqEn[n])*ssqEn_win[l] > max_ssqEn)
- {
- max_ssqEn = (fssqEn[n - 1] + bssqEn[n])*ssqEn_win[l];
- max_ssqEn_n = n;
- }
- }
-
- return max_ssqEn_n;
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * FrameClassify.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: FrameClassify.h,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-#ifndef __iLBC_FRAMECLASSIFY_H
-#define __iLBC_FRAMECLASSIFY_H
-
-int FrameClassify( /* index to the max-energy sub-frame */
- ilbc_encode_state_t *iLBCenc_inst, /* (i/o) the encoder state structure */
- float *residual); /* (i) lpc residual signal */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * LPCdecode.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: LPCdecode.c,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "helpfun.h"
-#include "lsf.h"
-#include "constants.h"
-#include "LPCdecode.h"
-
-/*---------------------------------------------------------------*
- * interpolation of lsf coefficients for the decoder
- *--------------------------------------------------------------*/
-
-void LSFinterpolate2a_dec(float *a, /* (o) lpc coefficients for a sub-frame */
- float *lsf1, /* (i) first lsf coefficient vector */
- float *lsf2, /* (i) second lsf coefficient vector */
- float coef, /* (i) interpolation weight */
- int length) /* (i) length of lsf vectors */
-{
- float lsftmp[ILBC_LPC_FILTERORDER];
-
- interpolate(lsftmp, lsf1, lsf2, coef, length);
- lsf2a(a, lsftmp);
-}
-
-/*---------------------------------------------------------------*
- * obtain dequantized lsf coefficients from quantization index
- *--------------------------------------------------------------*/
-
-void SimplelsfDEQ(float *lsfdeq, /* (o) dequantized lsf coefficients */
- int *index, /* (i) quantization index */
- int lpc_n) /* (i) number of LPCs */
-{
- int i;
- int j;
- int pos;
- int cb_pos;
-
- /* decode first LSF */
- pos = 0;
- cb_pos = 0;
- for (i = 0; i < LSF_NSPLIT; i++)
- {
- for (j = 0; j < dim_lsfCbTbl[i]; j++)
- lsfdeq[pos + j] = lsfCbTbl[cb_pos + (int32_t) (index[i])*dim_lsfCbTbl[i] + j];
- pos += dim_lsfCbTbl[i];
- cb_pos += size_lsfCbTbl[i]*dim_lsfCbTbl[i];
- }
-
- if (lpc_n>1)
- {
- /* decode last LSF */
- pos = 0;
- cb_pos = 0;
- for (i = 0; i < LSF_NSPLIT; i++)
- {
- for (j = 0; j < dim_lsfCbTbl[i]; j++)
- {
- lsfdeq[ILBC_LPC_FILTERORDER + pos + j] =
- lsfCbTbl[cb_pos + (int32_t) (index[LSF_NSPLIT + i])*dim_lsfCbTbl[i] + j];
- }
- pos += dim_lsfCbTbl[i];
- cb_pos += size_lsfCbTbl[i]*dim_lsfCbTbl[i];
- }
- }
-}
-
-/*----------------------------------------------------------------*
- * obtain synthesis and weighting filters form lsf coefficients
- *---------------------------------------------------------------*/
-
-void DecoderInterpolateLSF(float *syntdenum, /* (o) synthesis filter coefficients */
- float *weightdenum, /* (o) weighting denumerator coefficients */
- float *lsfdeq, /* (i) dequantized lsf coefficients */
- int length, /* (i) length of lsf coefficient vector */
- ilbc_decode_state_t *iLBCdec_inst) /* (i) the decoder state structure */
-{
- int i;
- int pos;
- int lp_length;
- float lp[ILBC_LPC_FILTERORDER + 1];
- float *lsfdeq2;
-
- lsfdeq2 = lsfdeq + length;
- lp_length = length + 1;
-
- if (iLBCdec_inst->mode == 30)
- {
- /* sub-frame 1: Interpolation between old and first */
-
- LSFinterpolate2a_dec(lp, iLBCdec_inst->lsfdeqold, lsfdeq,
- lsf_weightTbl_30ms[0], length);
- memcpy(syntdenum,lp,lp_length*sizeof(float));
- bwexpand(weightdenum, lp, LPC_CHIRP_WEIGHTDENUM, lp_length);
-
- /* sub-frames 2 to 6: interpolation between first and last LSF */
- pos = lp_length;
- for (i = 1; i < 6; i++)
- {
- LSFinterpolate2a_dec(lp, lsfdeq, lsfdeq2, lsf_weightTbl_30ms[i], length);
- memcpy(syntdenum + pos,lp,lp_length*sizeof(float));
- bwexpand(weightdenum + pos, lp, LPC_CHIRP_WEIGHTDENUM, lp_length);
- pos += lp_length;
- }
- }
- else
- {
- pos = 0;
- for (i = 0; i < iLBCdec_inst->nsub; i++)
- {
- LSFinterpolate2a_dec(lp, iLBCdec_inst->lsfdeqold, lsfdeq, lsf_weightTbl_20ms[i], length);
- memcpy(syntdenum + pos, lp, lp_length*sizeof(float));
- bwexpand(weightdenum + pos, lp, LPC_CHIRP_WEIGHTDENUM, lp_length);
- pos += lp_length;
- }
- }
-
- /* update memory */
- if (iLBCdec_inst->mode == 30)
- memcpy(iLBCdec_inst->lsfdeqold, lsfdeq2, length*sizeof(float));
- else
- memcpy(iLBCdec_inst->lsfdeqold, lsfdeq, length*sizeof(float));
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * LPCdecode.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: LPCdecode.h,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-#ifndef __iLBC_LPCDECODE_H
-#define __iLBC_LPCDECODE_H
-
-void LSFinterpolate2a_dec(float *a, /* (o) lpc coefficients for a sub-frame */
- float *lsf1, /* (i) first lsf coefficient vector */
- float *lsf2, /* (i) second lsf coefficient vector */
- float coef, /* (i) interpolation weight */
- int length); /* (i) length of lsf vectors */
-
-void SimplelsfDEQ(float *lsfdeq, /* (o) dequantized lsf coefficients */
- int *index, /* (i) quantization index */
- int lpc_n); /* (i) number of LPCs */
-
-void DecoderInterpolateLSF(float *syntdenum, /* (o) synthesis filter coefficients */
- float *weightdenum, /* (o) weighting denumerator coefficients */
- float *lsfdeq, /* (i) dequantized lsf coefficients */
- int length, /* (i) length of lsf coefficient vector */
- ilbc_decode_state_t *iLBCdec_inst); /* (i) the decoder state structure */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * LPCencode.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: LPCencode.c,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "helpfun.h"
-#include "lsf.h"
-#include "constants.h"
-#include "LPCencode.h"
-
-/*----------------------------------------------------------------*
- * lpc analysis (subroutine to LPCencode)
- *---------------------------------------------------------------*/
-
-static void SimpleAnalysis(float *lsf, /* (o) lsf coefficients */
- float *data, /* (i) new data vector */
- ilbc_encode_state_t *iLBCenc_inst) /* (i/o) the encoder state structure */
-{
- int k;
- int is;
- float temp[ILBC_BLOCK_LEN_MAX];
- float lp[ILBC_LPC_FILTERORDER + 1];
- float lp2[ILBC_LPC_FILTERORDER + 1];
- float r[ILBC_LPC_FILTERORDER + 1];
-
- is = LPC_LOOKBACK + ILBC_BLOCK_LEN_MAX - iLBCenc_inst->blockl;
- memcpy(iLBCenc_inst->lpc_buffer + is, data, iLBCenc_inst->blockl*sizeof(float));
-
- /* No lookahead, last window is asymmetric */
-
- for (k = 0; k < iLBCenc_inst->lpc_n; k++)
- {
- is = LPC_LOOKBACK;
-
- if (k < (iLBCenc_inst->lpc_n - 1))
- window(temp, lpc_winTbl, iLBCenc_inst->lpc_buffer, ILBC_BLOCK_LEN_MAX);
- else
- window(temp, lpc_asymwinTbl, iLBCenc_inst->lpc_buffer + is, ILBC_BLOCK_LEN_MAX);
-
- autocorr(r, temp, ILBC_BLOCK_LEN_MAX, ILBC_LPC_FILTERORDER);
- window(r, r, lpc_lagwinTbl, ILBC_LPC_FILTERORDER + 1);
-
- levdurb(lp, temp, r, ILBC_LPC_FILTERORDER);
- bwexpand(lp2, lp, LPC_CHIRP_SYNTDENUM, ILBC_LPC_FILTERORDER + 1);
-
- a2lsf(lsf + k*ILBC_LPC_FILTERORDER, lp2);
- }
- is = LPC_LOOKBACK + ILBC_BLOCK_LEN_MAX - iLBCenc_inst->blockl;
- memmove(iLBCenc_inst->lpc_buffer,
- iLBCenc_inst->lpc_buffer + LPC_LOOKBACK + ILBC_BLOCK_LEN_MAX - is,
- is*sizeof(float));
-}
-
-/*----------------------------------------------------------------*
- * lsf interpolator and conversion from lsf to a coefficients
- * (subroutine to SimpleInterpolateLSF)
- *---------------------------------------------------------------*/
-
-static void LSFinterpolate2a_enc(float *a, /* (o) lpc coefficients */
- float *lsf1, /* (i) first set of lsf coefficients */
- float *lsf2, /* (i) second set of lsf coefficients */
- float coef, /* (i) weighting coefficient to use between lsf1 and lsf2 */
- long length) /* (i) length of coefficient vectors */
-{
- float lsftmp[ILBC_LPC_FILTERORDER];
-
- interpolate(lsftmp, lsf1, lsf2, coef, length);
- lsf2a(a, lsftmp);
-}
-
-/*----------------------------------------------------------------*
- * lsf interpolator (subrutine to LPCencode)
- *---------------------------------------------------------------*/
-
-static void SimpleInterpolateLSF(float *syntdenum, /* (o) the synthesis filter denominator
- resulting from the quantized
- interpolated lsf */
- float *weightdenum, /* (o) the weighting filter denominator
- resulting from the unquantized
- interpolated lsf */
- float *lsf, /* (i) the unquantized lsf coefficients */
- float *lsfdeq, /* (i) the dequantized lsf coefficients */
- float *lsfold, /* (i) the unquantized lsf coefficients of
- the previous signal frame */
- float *lsfdeqold, /* (i) the dequantized lsf coefficients of
- the previous signal frame */
- int length, /* (i) should equate ILBC_LPC_FILTERORDER */
- ilbc_encode_state_t *iLBCenc_inst) /* (i/o) the encoder state structure */
-{
- int i;
- int pos;
- int lp_length;
- float lp[ILBC_LPC_FILTERORDER + 1];
- float *lsf2;
- float *lsfdeq2;
-
- lsf2 = lsf + length;
- lsfdeq2 = lsfdeq + length;
- lp_length = length + 1;
-
- if (iLBCenc_inst->mode == 30)
- {
- /* sub-frame 1: Interpolation between old and first
- set of lsf coefficients */
-
- LSFinterpolate2a_enc(lp, lsfdeqold, lsfdeq, lsf_weightTbl_30ms[0], length);
- memcpy(syntdenum,lp,lp_length*sizeof(float));
- LSFinterpolate2a_enc(lp, lsfold, lsf, lsf_weightTbl_30ms[0], length);
- bwexpand(weightdenum, lp, LPC_CHIRP_WEIGHTDENUM, lp_length);
-
- /* sub-frame 2 to 6: Interpolation between first
- and second set of lsf coefficients */
-
- pos = lp_length;
- for (i = 1; i < iLBCenc_inst->nsub; i++)
- {
- LSFinterpolate2a_enc(lp, lsfdeq, lsfdeq2, lsf_weightTbl_30ms[i], length);
- memcpy(syntdenum + pos,lp,lp_length*sizeof(float));
- LSFinterpolate2a_enc(lp, lsf, lsf2, lsf_weightTbl_30ms[i], length);
- bwexpand(weightdenum + pos, lp, LPC_CHIRP_WEIGHTDENUM, lp_length);
- pos += lp_length;
- }
- }
- else
- {
- pos = 0;
- for (i = 0; i < iLBCenc_inst->nsub; i++)
- {
- LSFinterpolate2a_enc(lp, lsfdeqold, lsfdeq, lsf_weightTbl_20ms[i], length);
- memcpy(syntdenum + pos, lp, lp_length*sizeof(float));
- LSFinterpolate2a_enc(lp, lsfold, lsf, lsf_weightTbl_20ms[i], length);
- bwexpand(weightdenum + pos, lp, LPC_CHIRP_WEIGHTDENUM, lp_length);
- pos += lp_length;
- }
- }
-
- /* update memory */
-
- if (iLBCenc_inst->mode == 30)
- {
- memcpy(lsfold, lsf2, length*sizeof(float));
- memcpy(lsfdeqold, lsfdeq2, length*sizeof(float));
- }
- else
- {
- memcpy(lsfold, lsf, length*sizeof(float));
- memcpy(lsfdeqold, lsfdeq, length*sizeof(float));
- }
-}
-
-/*----------------------------------------------------------------*
- * lsf quantizer (subrutine to LPCencode)
- *---------------------------------------------------------------*/
-
-static void SimplelsfQ(float *lsfdeq, /* (o) dequantized lsf coefficients (dimension FILTERORDER) */
- int *index, /* (o) quantization index */
- float *lsf, /* (i) the lsf coefficient vector to be quantized (dimension FILTERORDER ) */
- int lpc_n) /* (i) number of lsf sets to quantize */
-{
- /* Quantize first LSF with memoryless split VQ */
- SplitVQ(lsfdeq, index, lsf, lsfCbTbl, LSF_NSPLIT, dim_lsfCbTbl, size_lsfCbTbl);
-
- if (lpc_n == 2)
- {
- /* Quantize second LSF with memoryless split VQ */
- SplitVQ(lsfdeq + ILBC_LPC_FILTERORDER,
- index + LSF_NSPLIT,
- lsf + ILBC_LPC_FILTERORDER,
- lsfCbTbl,
- LSF_NSPLIT,
- dim_lsfCbTbl,
- size_lsfCbTbl);
- }
-}
-
-/*----------------------------------------------------------------*
- * lpc encoder
- *---------------------------------------------------------------*/
-
-void LPCencode(float *syntdenum, /* (i/o) synthesis filter coefficients
- before/after encoding */
- float *weightdenum, /* (i/o) weighting denumerator
- coefficients before/after
- encoding */
- int *lsf_index, /* (o) lsf quantization index */
- float *data, /* (i) lsf coefficients to quantize */
- ilbc_encode_state_t *iLBCenc_inst) /* (i/o) the encoder state structure */
-{
- float lsf[ILBC_LPC_FILTERORDER*LPC_N_MAX];
- float lsfdeq[ILBC_LPC_FILTERORDER*LPC_N_MAX];
- int change = 0;
-
- SimpleAnalysis(lsf, data, iLBCenc_inst);
- SimplelsfQ(lsfdeq, lsf_index, lsf, iLBCenc_inst->lpc_n);
-
- change = LSF_check(lsfdeq, ILBC_LPC_FILTERORDER, iLBCenc_inst->lpc_n);
- SimpleInterpolateLSF(syntdenum,
- weightdenum,
- lsf,
- lsfdeq,
- iLBCenc_inst->lsfold,
- iLBCenc_inst->lsfdeqold,
- ILBC_LPC_FILTERORDER,
- iLBCenc_inst);
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * LPCencode.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: LPCencode.h,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-#ifndef __iLBC_LPCENCODE_H
-#define __iLBC_LPCENCODE_H
-
-void LPCencode(float *syntdenum, /* (i/o) synthesis filter coefficients
- before/after encoding */
- float *weightdenum, /* (i/o) weighting denumerator coefficients
- before/after encoding */
- int *lsf_index, /* (o) lsf quantization index */
- float *data, /* (i) lsf coefficients to quantize */
- ilbc_encode_state_t *iLBCenc_inst); /* (i/o) the encoder state structure */
-
-#endif
+++ /dev/null
-##
-## iLBC - a library for the iLBC codec
-##
-## Makefile.am -- Process this file with automake to produce Makefile.in
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the Lesser GNU General Public License version 2.1, as
-## published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-##
-## $Id: Makefile.am,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
-
-AM_CFLAGS = $(COMP_VENDOR_CFLAGS)
-
-MAINTAINERCLEANFILES = Makefile.in
-
-AM_CPPFLAGS = -I$(top_builddir)
-
-lib_LTLIBRARIES = libilbc.la
-
-libilbc_la_SOURCES = anaFilter.c \
- constants.c \
- createCB.c \
- doCPLC.c \
- enhancer.c \
- filter.c \
- FrameClassify.c \
- gainquant.c \
- getCBvec.c \
- helpfun.c \
- hpInput.c \
- hpOutput.c \
- iCBConstruct.c \
- iCBSearch.c \
- iLBC_decode.c \
- iLBC_encode.c \
- LPCdecode.c \
- LPCencode.c \
- lsf.c \
- packing.c \
- StateConstructW.c \
- StateSearchW.c \
- syntFilter.c
-
-libilbc_la_LDFLAGS = -version-info @ILBC_LT_CURRENT@:@ILBC_LT_REVISION@:@ILBC_LT_AGE@
-
-nobase_include_HEADERS = ilbc/ilbc.h \
- ilbc/version.h
-
-nodist_include_HEADERS = ilbc.h
-
-noinst_HEADERS = anaFilter.h \
- constants.h \
- createCB.h \
- doCPLC.h \
- enhancer.h \
- filter.h \
- FrameClassify.h \
- gainquant.h \
- getCBvec.h \
- helpfun.h \
- hpInput.h \
- hpOutput.h \
- iCBConstruct.h \
- iCBSearch.h \
- iLBC_define.h \
- LPCdecode.h \
- LPCencode.h \
- lsf.h \
- packing.h \
- StateConstructW.h \
- StateSearchW.h \
- syntFilter.h
-
-# We need to run at_dictionary_gen, so it generates the
-# at_interpreter_dictionary.h file
-
-DSP = libilbc.dsp
-VCPROJ = libilbc.vcproj
-
-WIN32SOURCES = $(libilbc_la_SOURCES) msvc/gettimeofday.c
-WIN32HEADERS = $(nobase_include_HEADERS) ilbc.h
-
-DSPOUT = | awk '{printf("%s\r\n", $$0)}' >> $(DSP)
-VCPROJOUT = | awk '{printf("%s\r\n", $$0)}' >> $(VCPROJ)
-
-$(DSP): msvc/msvcproj.head msvc/msvcproj.foot Makefile.am
- echo "creating $(DSP)"
- @(cp $(srcdir)/msvc/msvcproj.head $(DSP); \
- echo "# Begin Group \"Source Files\"" $(DSPOUT); \
- for file in $(WIN32SOURCES); do \
- echo "# Begin Source File" $(DSPOUT); \
- echo "" $(DSPOUT); \
- echo "SOURCE=.\\"$$file $(DSPOUT); \
- echo "# End Source File" $(DSPOUT); \
- done; \
- echo "# End Group" $(DSPOUT); \
- echo "# Begin Group \"Header Files\"" $(DSPOUT); \
- for file in $(WIN32HEADERS); do \
- echo "# Begin Source File" $(DSPOUT); \
- echo "" $(DSPOUT); \
- echo "SOURCE=.\\"$$file $(DSPOUT); \
- echo "# End Source File" $(DSPOUT); \
- done; \
- echo "# End Group" $(DSPOUT); \
- cat $(srcdir)/msvc/msvcproj.foot $(DSPOUT) )
-
-$(VCPROJ): msvc/vc8proj.head msvc/vc8proj.foot Makefile.am
- echo "creating $(VCPROJ)"
- @(cp $(srcdir)/msvc/vc8proj.head $(VCPROJ); \
- for file in $(WIN32SOURCES); do \
- echo "<File RelativePath=\""$$file"\"></File>" $(VCPROJOUT); \
- done; \
- echo "</Filter><Filter Name=\"Header Files\">" $(VCPROJOUT); \
- for file in $(WIN32HEADERS); do \
- echo "<File RelativePath=\""$$file"\"></File>" $(VCPROJOUT); \
- done; \
- cat $(srcdir)/msvc/vc8proj.foot $(VCPROJOUT) )
-
-ilbc/version.h:
- NOWDATE=`date --utc +"%Y%m%d"` ; \
- NOWTIME=`date --utc +"%H%M%S"` ; \
- sed 's/$$ilbc_RELEASE_DATE/'$$NOWDATE'/;s/$$ilbc_RELEASE_TIME/'$$NOWTIME'/' \
- <ilbc/version.h.in >ilbc/version.h
-
-dist-hook:
- NOWDATE=`date --utc +"%Y%m%d"` ; \
- NOWTIME=`date --utc +"%H%M%S"` ; \
- sed 's/$$ilbc_RELEASE_DATE/'$$NOWDATE'/;s/$$ilbc_RELEASE_TIME/'$$NOWTIME'/' \
- <ilbc/version.h.in >ilbc/version.h
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * StateConstruct.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: StateConstructW.c,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "constants.h"
-#include "filter.h"
-#include "StateConstructW.h"
-
-/*----------------------------------------------------------------*
- * decoding of the start state
- *---------------------------------------------------------------*/
-
-void StateConstructW(int idxForMax, /* (i) 6-bit index for the quantization of
- max amplitude */
- int *idxVec, /* (i) vector of quantization indexes */
- float *syntDenum, /* (i) synthesis filter denumerator */
- float *out, /* (o) the decoded state vector */
- int len) /* (i) length of a state vector */
-{
- float maxVal;
- float tmpbuf[ILBC_LPC_FILTERORDER + 2*STATE_LEN];
- float *tmp;
- float numerator[ILBC_LPC_FILTERORDER + 1];
- float foutbuf[ILBC_LPC_FILTERORDER + 2*STATE_LEN];
- float *fout;
- int k;
- int tmpi;
-
- /* decoding of the maximum value */
- maxVal = state_frgqTbl[idxForMax];
- maxVal = powf(10.0f, maxVal)/4.5f;
-
- /* initialization of buffers and coefficients */
-
- memset(tmpbuf, 0, ILBC_LPC_FILTERORDER*sizeof(float));
- memset(foutbuf, 0, ILBC_LPC_FILTERORDER*sizeof(float));
- for (k = 0; k < ILBC_LPC_FILTERORDER; k++)
- numerator[k] = syntDenum[ILBC_LPC_FILTERORDER - k];
- numerator[ILBC_LPC_FILTERORDER] = syntDenum[0];
- tmp = &tmpbuf[ILBC_LPC_FILTERORDER];
- fout = &foutbuf[ILBC_LPC_FILTERORDER];
-
- /* decoding of the sample values */
- for (k = 0; k < len; k++)
- {
- tmpi = len - 1 - k;
- /* maxVal = 1/scal */
- tmp[k] = maxVal*state_sq3Tbl[idxVec[tmpi]];
- }
-
- /* circular convolution with all-pass filter */
- memset(tmp + len, 0, len*sizeof(float));
- ZeroPoleFilter(tmp, numerator, syntDenum, 2*len, ILBC_LPC_FILTERORDER, fout);
- for (k = 0; k < len; k++)
- out[k] = fout[len - 1 - k] + fout[2*len - 1 - k];
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * StateConstructW.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: StateConstructW.h,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-#ifndef __iLBC_STATECONSTRUCTW_H
-#define __iLBC_STATECONSTRUCTW_H
-
-void StateConstructW(int idxForMax, /* (i) 6-bit index for the quantization of
- max amplitude */
- int *idxVec, /* (i) vector of quantization indexes */
- float *syntDenum, /* (i) synthesis filter denumerator */
- float *out, /* (o) the decoded state vector */
- int len); /* (i) length of a state vector */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * StateSearchW.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: StateSearchW.c,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "constants.h"
-#include "filter.h"
-#include "helpfun.h"
-#include "StateSearchW.h"
-
-/*----------------------------------------------------------------*
- * predictive noise shaping encoding of scaled start state
- * (subrutine for StateSearchW)
- *---------------------------------------------------------------*/
-
-void AbsQuantW(ilbc_encode_state_t *iLBCenc_inst, /* (i) Encoder instance */
- float *in, /* (i) vector to encode */
- float *syntDenum, /* (i) denominator of synthesis filter */
- float *weightDenum, /* (i) denominator of weighting filter */
- int *out, /* (o) vector of quantizer indexes */
- int len, /* (i) length of vector to encode and
- vector of quantizer indexes */
- int state_first) /* (i) position of start state in the 80 vec */
-{
- float *syntOut;
- float syntOutBuf[ILBC_LPC_FILTERORDER + STATE_SHORT_LEN_30MS];
- float toQ;
- float xq;
- int n;
- int index;
-
- /* initialization of buffer for filtering */
- memset(syntOutBuf, 0, ILBC_LPC_FILTERORDER*sizeof(float));
-
- /* initialization of pointer for filtering */
- syntOut = &syntOutBuf[ILBC_LPC_FILTERORDER];
-
- /* synthesis and weighting filters on input */
- if (state_first)
- {
- AllPoleFilter(in, weightDenum, SUBL, ILBC_LPC_FILTERORDER);
- }
- else
- {
- AllPoleFilter(in, weightDenum,
- iLBCenc_inst->state_short_len - SUBL,
- ILBC_LPC_FILTERORDER);
- }
-
- /* encoding loop */
- for (n = 0; n < len; n++)
- {
- /* time update of filter coefficients */
- if ((state_first) && (n == SUBL))
- {
- syntDenum += (ILBC_LPC_FILTERORDER + 1);
- weightDenum += (ILBC_LPC_FILTERORDER + 1);
-
- /* synthesis and weighting filters on input */
- AllPoleFilter(&in[n], weightDenum, len - n, ILBC_LPC_FILTERORDER);
- }
- else if ((state_first == 0)
- &&
- (n == (iLBCenc_inst->state_short_len - SUBL)))
- {
- syntDenum += (ILBC_LPC_FILTERORDER + 1);
- weightDenum += (ILBC_LPC_FILTERORDER + 1);
-
- /* synthesis and weighting filters on input */
- AllPoleFilter(&in[n], weightDenum, len - n, ILBC_LPC_FILTERORDER);
- }
- /* prediction of synthesized and weighted input */
- syntOut[n] = 0.0f;
- AllPoleFilter(&syntOut[n], weightDenum, 1, ILBC_LPC_FILTERORDER);
-
- /* quantization */
- toQ = in[n] - syntOut[n];
- sort_sq(&xq, &index, toQ, state_sq3Tbl, 8);
- out[n] = index;
- syntOut[n] = state_sq3Tbl[out[n]];
-
- /* update of the prediction filter */
- AllPoleFilter(&syntOut[n], weightDenum, 1, ILBC_LPC_FILTERORDER);
- }
-}
-
-/*----------------------------------------------------------------*
- * encoding of start state
- *---------------------------------------------------------------*/
-
-void StateSearchW(ilbc_encode_state_t *iLBCenc_inst, /* (i) Encoder instance */
- float *residual, /* (i) target residual vector */
- float *syntDenum, /* (i) lpc synthesis filter */
- float *weightDenum, /* (i) weighting filter denuminator */
- int *idxForMax, /* (o) quantizer index for maximum
- amplitude */
- int *idxVec, /* (o) vector of quantization indexes */
- int len, /* (i) length of all vectors */
- int state_first) /* (i) position of start state in the 80 vec */
-{
- float dtmp;
- float maxVal;
- float tmpbuf[ILBC_LPC_FILTERORDER + 2*STATE_SHORT_LEN_30MS];
- float *tmp;
- float numerator[ILBC_LPC_FILTERORDER + 1];
- float foutbuf[ILBC_LPC_FILTERORDER + 2*STATE_SHORT_LEN_30MS];
- float *fout;
- int k;
- float qmax;
- float scal;
-
- /* initialization of buffers and filter coefficients */
-
- memset(tmpbuf, 0, ILBC_LPC_FILTERORDER*sizeof(float));
- memset(foutbuf, 0, ILBC_LPC_FILTERORDER*sizeof(float));
- for (k = 0; k < ILBC_LPC_FILTERORDER; k++)
- numerator[k] = syntDenum[ILBC_LPC_FILTERORDER - k];
- numerator[ILBC_LPC_FILTERORDER] = syntDenum[0];
- tmp = &tmpbuf[ILBC_LPC_FILTERORDER];
- fout = &foutbuf[ILBC_LPC_FILTERORDER];
-
- /* circular convolution with the all-pass filter */
- memcpy(tmp, residual, len*sizeof(float));
- memset(tmp + len, 0, len*sizeof(float));
- ZeroPoleFilter(tmp, numerator, syntDenum, 2*len, ILBC_LPC_FILTERORDER, fout);
- for (k = 0; k < len; k++)
- fout[k] += fout[k+len];
-
- /* identification of the maximum amplitude value */
- maxVal = fout[0];
- for (k = 1; k < len; k++)
- {
- if (fout[k]*fout[k] > maxVal*maxVal)
- maxVal = fout[k];
- }
- maxVal = fabsf(maxVal);
-
- /* encoding of the maximum amplitude value */
- if (maxVal < 10.0f)
- maxVal = 10.0f;
- maxVal = log10f(maxVal);
- sort_sq(&dtmp, idxForMax, maxVal, state_frgqTbl, 64);
-
- /* decoding of the maximum amplitude representation value,
- and corresponding scaling of start state */
- maxVal = state_frgqTbl[*idxForMax];
- qmax = powf(10.0f, maxVal);
- scal = 4.5f/qmax;
- for (k = 0; k < len; k++)
- fout[k] *= scal;
-
- /* predictive noise shaping encoding of scaled start state */
- AbsQuantW(iLBCenc_inst, fout,syntDenum, weightDenum,idxVec, len, state_first);
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * StateSearchW.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: StateSearchW.h,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-#ifndef __iLBC_STATESEARCHW_H
-#define __iLBC_STATESEARCHW_H
-
-void AbsQuantW(ilbc_encode_state_t *iLBCenc_inst, /* (i) Encoder instance */
- float *in, /* (i) vector to encode */
- float *syntDenum, /* (i) denominator of synthesis filter */
- float *weightDenum, /* (i) denominator of weighting filter */
- int *out, /* (o) vector of quantizer indexes */
- int len, /* (i) length of vector to encode and
- vector of quantizer indexes */
- int state_first); /* (i) position of start state in the 80 vec */
-
-void StateSearchW(ilbc_encode_state_t *iLBCenc_inst, /* (i) Encoder instance */
- float *residual, /* (i) target residual vector */
- float *syntDenum, /* (i) lpc synthesis filter */
- float *weightDenum, /* (i) weighting filter denuminator */
- int *idxForMax, /* (o) quantizer index for maximum
- amplitude */
- int *idxVec, /* (o) vector of quantization indexes */
- int len, /* (i) length of all vectors */
- int state_first); /* (i) position of start state in the 80 vec */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * anaFilter.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: anaFilter.c,v 1.2 2008/03/06 12:27:37 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <string.h>
-
-#include "anaFilter.h"
-#include "ilbc.h"
-
-/*----------------------------------------------------------------*
- * LP analysis filter.
- *---------------------------------------------------------------*/
-void anaFilter(float *In, /* (i) Signal to be filtered */
- float *a, /* (i) LP parameters */
- int len, /* (i) Length of signal */
- float *Out, /* (o) Filtered signal */
- float *mem) /* (i/o) Filter state */
-{
- int i;
- int j;
- float *po;
- float *pi;
- float *pm;
- float *pa;
-
- po = Out;
- /* Filter first part using memory from past */
- for (i = 0; i < ILBC_LPC_FILTERORDER; i++)
- {
- pi = &In[i];
- pm = &mem[ILBC_LPC_FILTERORDER - 1];
- pa = a;
- *po = 0.0;
-
- for (j = 0; j <= i; j++)
- *po += (*pa++)*(*pi--);
- for (j = i + 1; j < ILBC_LPC_FILTERORDER + 1; j++)
- *po += (*pa++)*(*pm--);
- po++;
- }
- /* Filter last part where the state is entirely
- in the input vector */
- for (i = ILBC_LPC_FILTERORDER; i < len; i++)
- {
- pi = &In[i];
- pa = a;
- *po = 0.0;
- for (j = 0; j < ILBC_LPC_FILTERORDER + 1; j++)
- *po += (*pa++)*(*pi--);
- po++;
- }
- /* Update state vector */
- memcpy(mem, &In[len - ILBC_LPC_FILTERORDER], ILBC_LPC_FILTERORDER*sizeof(float));
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * anaFilter.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: anaFilter.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_ANAFILTER_H
-#define __iLBC_ANAFILTER_H
-
-void anaFilter(float *In, /* (i) Signal to be filtered */
- float *a, /* (i) LP parameters */
- int len, /* (i) Length of signal */
- float *Out, /* (o) Filtered signal */
- float *mem); /* (i/o) Filter state */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * constant.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: constants.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-
-#include "ilbc.h"
-#include "constants.h"
-
-/* ULP bit allocation */
-
-/* 20 ms frame */
-const ilbc_ulp_inst_t ULP_20msTbl =
-{
- /* LSF */
- {
- {6, 0, 0, 0, 0}, {7, 0, 0, 0, 0}, {7, 0, 0, 0, 0},
- {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}
- },
- /* Start state location, gain and samples */
- {2, 0, 0, 0, 0},
- {1, 0, 0, 0, 0},
- {6, 0, 0, 0, 0},
- {0, 1, 2, 0, 0},
- /* extra CB index and extra CB gain */
- {{6, 0, 1, 0, 0}, {0, 0, 7, 0, 0}, {0, 0, 7, 0, 0}},
- {{2, 0, 3, 0, 0}, {1, 1, 2, 0, 0}, {0, 0, 3, 0, 0}},
- /* CB index and CB gain */
- {
- {{7, 0, 1, 0, 0}, {0, 0, 7, 0, 0}, {0, 0, 7, 0, 0}},
- {{0, 0, 8, 0, 0}, {0, 0, 8, 0, 0}, {0, 0, 8, 0, 0}},
- {{0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}},
- {{0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}}
- },
- {
- {{1, 2, 2, 0, 0}, {1, 1, 2, 0, 0}, {0, 0, 3, 0, 0}},
- {{1, 1, 3, 0, 0}, {0, 2, 2, 0, 0}, {0, 0, 3, 0, 0}},
- {{0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}},
- {{0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}}
- }
-};
-
-/* 30 ms frame */
-const ilbc_ulp_inst_t ULP_30msTbl =
-{
- /* LSF */
- {
- {6, 0, 0, 0, 0}, {7, 0, 0, 0, 0}, {7, 0, 0, 0, 0},
- {6, 0, 0, 0, 0}, {7, 0, 0, 0, 0}, {7, 0, 0, 0, 0}
- },
- /* Start state location, gain and samples */
- {3, 0, 0, 0, 0},
- {1, 0, 0, 0, 0},
- {6, 0, 0, 0, 0},
- {0, 1, 2, 0, 0},
- /* extra CB index and extra CB gain */
- {{4, 2, 1, 0, 0}, {0, 0, 7, 0, 0}, {0, 0, 7, 0, 0}},
- {{1, 1, 3, 0, 0}, {1, 1, 2, 0, 0}, {0, 0, 3, 0, 0}},
- /* CB index and CB gain */
- {
- {{6, 1, 1, 0, 0}, {0, 0, 7, 0, 0}, {0, 0,7, 0, 0}},
- {{0, 7, 1, 0, 0}, {0, 0, 8, 0, 0}, {0, 0,8, 0, 0}},
- {{0, 7, 1, 0, 0}, {0, 0, 8, 0, 0}, {0, 0,8, 0, 0}},
- {{0, 7, 1, 0, 0}, {0, 0, 8, 0, 0}, {0, 0,8, 0, 0}}
- },
- {
- {{1, 2, 2, 0, 0}, {1, 2, 1, 0, 0}, {0, 0, 3, 0, 0}},
- {{0, 2, 3, 0, 0}, {0, 2, 2, 0, 0}, {0, 0, 3, 0, 0}},
- {{0, 1, 4, 0, 0}, {0, 1, 3, 0, 0}, {0, 0, 3, 0, 0}},
- {{0, 1, 4, 0, 0}, {0, 1, 3, 0, 0}, {0, 0, 3, 0, 0}}
- }
-};
-
-/* HP Filters */
-
-const float hpi_zero_coefsTbl[3] =
-{
- 0.92727436f, -1.8544941f, 0.92727436f
-};
-
-const float hpi_pole_coefsTbl[3] =
-{
- 1.0f, -1.9059465f, 0.9114024f
-};
-
-const float hpo_zero_coefsTbl[3] =
-{
- 0.93980581f, -1.8795834f, 0.93980581f
-};
-
-const float hpo_pole_coefsTbl[3] =
-{
- 1.0f, -1.9330735f, 0.93589199f
-};
-
-/* LP Filter */
-
-const float lpFilt_coefsTbl[FILTERORDER_DS] =
-{
- -0.066650f, 0.125000f, 0.316650f,
- 0.414063f, 0.316650f,
- 0.125000f, -0.066650f
-};
-
-/* State quantization tables */
-
-const float state_sq3Tbl[8] =
-{
- -3.719849f, -2.177490f, -1.130005f,
- -0.309692f, 0.444214f, 1.329712f,
- 2.436279f, 3.983887f
-};
-
-const float state_frgqTbl[64] =
-{
- 1.000085f, 1.071695f, 1.140395f,
- 1.206868f, 1.277188f, 1.351503f,
- 1.429380f, 1.500727f, 1.569049f,
- 1.639599f, 1.707071f, 1.781531f,
- 1.840799f, 1.901550f, 1.956695f,
- 2.006750f, 2.055474f, 2.102787f,
- 2.142819f, 2.183592f, 2.217962f,
- 2.257177f, 2.295739f, 2.332967f,
- 2.369248f, 2.402792f, 2.435080f,
- 2.468598f, 2.503394f, 2.539284f,
- 2.572944f, 2.605036f, 2.636331f,
- 2.668939f, 2.698780f, 2.729101f,
- 2.759786f, 2.789834f, 2.818679f,
- 2.848074f, 2.877470f, 2.906899f,
- 2.936655f, 2.967804f, 3.000115f,
- 3.033367f, 3.066355f, 3.104231f,
- 3.141499f, 3.183012f, 3.222952f,
- 3.265433f, 3.308441f, 3.350823f,
- 3.395275f, 3.442793f, 3.490801f,
- 3.542514f, 3.604064f, 3.666050f,
- 3.740994f, 3.830749f, 3.938770f,
- 4.101764f
-};
-
-/* CB tables */
-
-const int search_rangeTbl[5][CB_NSTAGES] =
-{
- {58, 58, 58},
- {108, 44, 44},
- {108, 108, 108},
- {108, 108, 108},
- {108, 108, 108}
-};
-
-const int stMemLTbl = 85;
-const int memLfTbl[NASUB_MAX] = {147, 147, 147, 147};
-
-/* expansion filter(s) */
-
-const float cbfiltersTbl[CB_FILTERLEN] =
-{
- -0.034180f, 0.108887f, -0.184326f,
- 0.806152f, 0.713379f, -0.144043f,
- 0.083740f, -0.033691f
-};
-
-/* Gain Quantization */
-
-const float gain_sq3Tbl[8] =
-{
- -1.000000f, -0.659973f, -0.330017f,
- 0.000000f, 0.250000f, 0.500000f,
- 0.750000f, 1.00000f
-};
-
-const float gain_sq4Tbl[16] =
-{
- -1.049988f, -0.900024f, -0.750000f,
- -0.599976f, -0.450012f, -0.299988f,
- -0.150024f, 0.000000f, 0.150024f,
- 0.299988f, 0.450012f, 0.599976f,
- 0.750000f, 0.900024f, 1.049988f,
- 1.200012f
-};
-
-const float gain_sq5Tbl[32]=
-{
- 0.037476f, 0.075012f, 0.112488f,
- 0.150024f, 0.187500f, 0.224976f,
- 0.262512f, 0.299988f, 0.337524f,
- 0.375000f, 0.412476f, 0.450012f,
- 0.487488f, 0.525024f, 0.562500f,
- 0.599976f, 0.637512f, 0.674988f,
- 0.712524f, 0.750000f, 0.787476f,
- 0.825012f, 0.862488f, 0.900024f,
- 0.937500f, 0.974976f, 1.012512f,
- 1.049988f, 1.087524f, 1.125000f,
- 1.162476f, 1.200012f
-};
-
-/* Enhancer - Upsamling a factor 4 (ENH_UPS0 = 4) */
-const float polyphaserTbl[ENH_UPS0*(2*ENH_FL0+1)] =
-{
- 0.000000f, 0.000000f, 0.000000f,
- 1.000000f,
- 0.000000f, 0.000000f, 0.000000f,
- 0.015625f, -0.076904f, 0.288330f,
- 0.862061f,
- -0.106445f, 0.018799f, -0.015625f,
- 0.023682f, -0.124268f, 0.601563f,
- 0.601563f,
- -0.124268f, 0.023682f, -0.023682f,
- 0.018799f, -0.106445f, 0.862061f,
- 0.288330f,
- -0.076904f, 0.015625f, -0.018799f
-};
-
-const float enh_plocsTbl[ENH_NBLOCKS_TOT] =
-{
- 40.0f, 120.0f,
- 200.0f, 280.0f, 360.0f,
- 440.0f, 520.0f, 600.0f
-};
-
-/* LPC analysis and quantization */
-
-const int dim_lsfCbTbl[LSF_NSPLIT] = {3, 3, 4};
-const int size_lsfCbTbl[LSF_NSPLIT] = {64, 128, 128};
-
-const float lsfmeanTbl[ILBC_LPC_FILTERORDER] =
-{
- 0.281738f, 0.445801f, 0.663330f,
- 0.962524f, 1.251831f, 1.533081f,
- 1.850586f, 2.137817f, 2.481445f,
- 2.777344f
-};
-
-const float lsf_weightTbl_30ms[6] =
-{
- 1.0f/2.0f, 1.0f,
- 2.0f/3.0f,
- 1.0f/3.0f, 0.0f, 0.0f
-};
-
-const float lsf_weightTbl_20ms[4] =
-{
- 3.0f/4.0f, 2.0f/4.0f,
- 1.0f/4.0f, 0.0f
-};
-
-/* Hanning LPC window */
-const float lpc_winTbl[ILBC_BLOCK_LEN_MAX] =
-{
- 0.000183f, 0.000671f, 0.001526f,
- 0.002716f, 0.004242f, 0.006104f,
- 0.008301f, 0.010834f, 0.013702f,
- 0.016907f, 0.020416f, 0.024261f,
- 0.028442f, 0.032928f, 0.037750f,
- 0.042877f, 0.048309f, 0.054047f,
- 0.060089f, 0.066437f, 0.073090f,
- 0.080017f, 0.087219f, 0.094727f,
- 0.102509f, 0.110535f, 0.118835f,
- 0.127411f, 0.136230f, 0.145294f,
- 0.154602f, 0.164154f, 0.173920f,
- 0.183899f, 0.194122f, 0.204529f,
- 0.215149f, 0.225952f, 0.236938f,
- 0.248108f, 0.259460f, 0.270966f,
- 0.282654f, 0.294464f, 0.306396f,
- 0.318481f, 0.330688f, 0.343018f,
- 0.355438f, 0.367981f, 0.380585f,
- 0.393280f, 0.406067f, 0.418884f,
- 0.431763f, 0.444702f, 0.457672f,
- 0.470673f, 0.483704f, 0.496735f,
- 0.509766f, 0.522797f, 0.535828f,
- 0.548798f, 0.561768f, 0.574677f,
- 0.587524f, 0.600342f, 0.613068f,
- 0.625732f, 0.638306f, 0.650787f,
- 0.663147f, 0.675415f, 0.687561f,
- 0.699585f, 0.711487f, 0.723206f,
- 0.734802f, 0.746216f, 0.757477f,
- 0.768585f, 0.779480f, 0.790192f,
- 0.800720f, 0.811005f, 0.821106f,
- 0.830994f, 0.840668f, 0.850067f,
- 0.859253f, 0.868225f, 0.876892f,
- 0.885345f, 0.893524f, 0.901428f,
- 0.909058f, 0.916412f, 0.923492f,
- 0.930267f, 0.936768f, 0.942963f,
- 0.948853f, 0.954437f, 0.959717f,
- 0.964691f, 0.969360f, 0.973694f,
- 0.977692f, 0.981384f, 0.984741f,
- 0.987762f, 0.990479f, 0.992828f,
- 0.994873f, 0.996552f, 0.997925f,
- 0.998932f, 0.999603f, 0.999969f,
- 0.999969f, 0.999603f, 0.998932f,
- 0.997925f, 0.996552f, 0.994873f,
- 0.992828f, 0.990479f, 0.987762f,
- 0.984741f, 0.981384f, 0.977692f,
- 0.973694f, 0.969360f, 0.964691f,
- 0.959717f, 0.954437f, 0.948853f,
- 0.942963f, 0.936768f, 0.930267f,
- 0.923492f, 0.916412f, 0.909058f,
- 0.901428f, 0.893524f, 0.885345f,
- 0.876892f, 0.868225f, 0.859253f,
- 0.850067f, 0.840668f, 0.830994f,
- 0.821106f, 0.811005f, 0.800720f,
- 0.790192f, 0.779480f, 0.768585f,
- 0.757477f, 0.746216f, 0.734802f,
- 0.723206f, 0.711487f, 0.699585f,
- 0.687561f, 0.675415f, 0.663147f,
- 0.650787f, 0.638306f, 0.625732f,
- 0.613068f, 0.600342f, 0.587524f,
- 0.574677f, 0.561768f, 0.548798f,
- 0.535828f, 0.522797f, 0.509766f,
- 0.496735f, 0.483704f, 0.470673f,
- 0.457672f, 0.444702f, 0.431763f,
- 0.418884f, 0.406067f, 0.393280f,
- 0.380585f, 0.367981f, 0.355438f,
- 0.343018f, 0.330688f, 0.318481f,
- 0.306396f, 0.294464f, 0.282654f,
- 0.270966f, 0.259460f, 0.248108f,
- 0.236938f, 0.225952f, 0.215149f,
- 0.204529f, 0.194122f, 0.183899f,
- 0.173920f, 0.164154f, 0.154602f,
- 0.145294f, 0.136230f, 0.127411f,
- 0.118835f, 0.110535f, 0.102509f,
- 0.094727f, 0.087219f, 0.080017f,
- 0.073090f, 0.066437f, 0.060089f,
- 0.054047f, 0.048309f, 0.042877f,
- 0.037750f, 0.032928f, 0.028442f,
- 0.024261f, 0.020416f, 0.016907f,
- 0.013702f, 0.010834f, 0.008301f,
- 0.006104f, 0.004242f, 0.002716f,
- 0.001526f, 0.000671f, 0.000183f
-};
-
-/* Asymmetric LPC window */
-const float lpc_asymwinTbl[ILBC_BLOCK_LEN_MAX] =
-{
- 0.000061f, 0.000214f, 0.000458f,
- 0.000824f, 0.001282f, 0.001831f,
- 0.002472f, 0.003235f, 0.004120f,
- 0.005066f, 0.006134f, 0.007294f,
- 0.008545f, 0.009918f, 0.011383f,
- 0.012939f, 0.014587f, 0.016357f,
- 0.018219f, 0.020172f, 0.022217f,
- 0.024353f, 0.026611f, 0.028961f,
- 0.031372f, 0.033905f, 0.036530f,
- 0.039276f, 0.042084f, 0.044983f,
- 0.047974f, 0.051086f, 0.054260f,
- 0.057526f, 0.060883f, 0.064331f,
- 0.067871f, 0.071503f, 0.075226f,
- 0.079010f, 0.082916f, 0.086884f,
- 0.090942f, 0.095062f, 0.099304f,
- 0.103607f, 0.107971f, 0.112427f,
- 0.116974f, 0.121582f, 0.126282f,
- 0.131073f, 0.135895f, 0.140839f,
- 0.145813f, 0.150879f, 0.156006f,
- 0.161224f, 0.166504f, 0.171844f,
- 0.177246f, 0.182709f, 0.188263f,
- 0.193848f, 0.199524f, 0.205231f,
- 0.211029f, 0.216858f, 0.222778f,
- 0.228729f, 0.234741f, 0.240814f,
- 0.246918f, 0.253082f, 0.259308f,
- 0.265564f, 0.271881f, 0.278259f,
- 0.284668f, 0.291107f, 0.297607f,
- 0.304138f, 0.310730f, 0.317322f,
- 0.323975f, 0.330658f, 0.337372f,
- 0.344147f, 0.350922f, 0.357727f,
- 0.364594f, 0.371460f, 0.378357f,
- 0.385284f, 0.392212f, 0.399170f,
- 0.406158f, 0.413177f, 0.420197f,
- 0.427246f, 0.434296f, 0.441376f,
- 0.448456f, 0.455536f, 0.462646f,
- 0.469757f, 0.476868f, 0.483978f,
- 0.491089f, 0.498230f, 0.505341f,
- 0.512451f, 0.519592f, 0.526703f,
- 0.533813f, 0.540924f, 0.548004f,
- 0.555084f, 0.562164f, 0.569244f,
- 0.576294f, 0.583313f, 0.590332f,
- 0.597321f, 0.604309f, 0.611267f,
- 0.618195f, 0.625092f, 0.631989f,
- 0.638855f, 0.645660f, 0.652466f,
- 0.659241f, 0.665985f, 0.672668f,
- 0.679352f, 0.685974f, 0.692566f,
- 0.699127f, 0.705658f, 0.712128f,
- 0.718536f, 0.724945f, 0.731262f,
- 0.737549f, 0.743805f, 0.750000f,
- 0.756134f, 0.762238f, 0.768280f,
- 0.774261f, 0.780182f, 0.786072f,
- 0.791870f, 0.797638f, 0.803314f,
- 0.808960f, 0.814514f, 0.820038f,
- 0.825470f, 0.830841f, 0.836151f,
- 0.841400f, 0.846558f, 0.851654f,
- 0.856689f, 0.861633f, 0.866516f,
- 0.871338f, 0.876068f, 0.880737f,
- 0.885315f, 0.889801f, 0.894226f,
- 0.898560f, 0.902832f, 0.907013f,
- 0.911102f, 0.915100f, 0.919037f,
- 0.922882f, 0.926636f, 0.930328f,
- 0.933899f, 0.937408f, 0.940796f,
- 0.944122f, 0.947357f, 0.950470f,
- 0.953522f, 0.956482f, 0.959351f,
- 0.962097f, 0.964783f, 0.967377f,
- 0.969849f, 0.972229f, 0.974518f,
- 0.976715f, 0.978821f, 0.980835f,
- 0.982727f, 0.984528f, 0.986237f,
- 0.987854f, 0.989380f, 0.990784f,
- 0.992096f, 0.993317f, 0.994415f,
- 0.995422f, 0.996338f, 0.997162f,
- 0.997864f, 0.998474f, 0.998962f,
- 0.999390f, 0.999695f, 0.999878f,
- 0.999969f, 0.999969f, 0.996918f,
- 0.987701f, 0.972382f, 0.951050f,
- 0.923889f, 0.891022f, 0.852631f,
- 0.809021f, 0.760406f, 0.707092f,
- 0.649445f, 0.587799f, 0.522491f,
- 0.453979f, 0.382690f, 0.309021f,
- 0.233459f, 0.156433f, 0.078461f
-};
-
-/* Lag window for LPC */
-const float lpc_lagwinTbl[ILBC_LPC_FILTERORDER + 1] =
-{
- 1.000100f, 0.998890f, 0.995569f,
- 0.990057f, 0.982392f,
- 0.972623f, 0.960816f, 0.947047f,
- 0.931405f, 0.913989f, 0.894909f
-};
-
-/* LSF quantization*/
-const float lsfCbTbl[64 * 3 + 128 * 3 + 128 * 4] =
-{
- 0.155396f, 0.273193f, 0.451172f,
- 0.390503f, 0.648071f, 1.002075f,
- 0.440186f, 0.692261f, 0.955688f,
- 0.343628f, 0.642334f, 1.071533f,
- 0.318359f, 0.491577f, 0.670532f,
- 0.193115f, 0.375488f, 0.725708f,
- 0.364136f, 0.510376f, 0.658691f,
- 0.297485f, 0.527588f, 0.842529f,
- 0.227173f, 0.365967f, 0.563110f,
- 0.244995f, 0.396729f, 0.636475f,
- 0.169434f, 0.300171f, 0.520264f,
- 0.312866f, 0.464478f, 0.643188f,
- 0.248535f, 0.429932f, 0.626099f,
- 0.236206f, 0.491333f, 0.817139f,
- 0.334961f, 0.625122f, 0.895752f,
- 0.343018f, 0.518555f, 0.698608f,
- 0.372803f, 0.659790f, 0.945435f,
- 0.176880f, 0.316528f, 0.581421f,
- 0.416382f, 0.625977f, 0.805176f,
- 0.303223f, 0.568726f, 0.915039f,
- 0.203613f, 0.351440f, 0.588135f,
- 0.221191f, 0.375000f, 0.614746f,
- 0.199951f, 0.323364f, 0.476074f,
- 0.300781f, 0.433350f, 0.566895f,
- 0.226196f, 0.354004f, 0.507568f,
- 0.300049f, 0.508179f, 0.711670f,
- 0.312012f, 0.492676f, 0.763428f,
- 0.329956f, 0.541016f, 0.795776f,
- 0.373779f, 0.604614f, 0.928833f,
- 0.210571f, 0.452026f, 0.755249f,
- 0.271118f, 0.473267f, 0.662476f,
- 0.285522f, 0.436890f, 0.634399f,
- 0.246704f, 0.565552f, 0.859009f,
- 0.270508f, 0.406250f, 0.553589f,
- 0.361450f, 0.578491f, 0.813843f,
- 0.342651f, 0.482788f, 0.622437f,
- 0.340332f, 0.549438f, 0.743164f,
- 0.200439f, 0.336304f, 0.540894f,
- 0.407837f, 0.644775f, 0.895142f,
- 0.294678f, 0.454834f, 0.699097f,
- 0.193115f, 0.344482f, 0.643188f,
- 0.275757f, 0.420776f, 0.598755f,
- 0.380493f, 0.608643f, 0.861084f,
- 0.222778f, 0.426147f, 0.676514f,
- 0.407471f, 0.700195f, 1.053101f,
- 0.218384f, 0.377197f, 0.669922f,
- 0.313232f, 0.454102f, 0.600952f,
- 0.347412f, 0.571533f, 0.874146f,
- 0.238037f, 0.405396f, 0.729492f,
- 0.223877f, 0.412964f, 0.822021f,
- 0.395264f, 0.582153f, 0.743896f,
- 0.247925f, 0.485596f, 0.720581f,
- 0.229126f, 0.496582f, 0.907715f,
- 0.260132f, 0.566895f, 1.012695f,
- 0.337402f, 0.611572f, 0.978149f,
- 0.267822f, 0.447632f, 0.769287f,
- 0.250610f, 0.381714f, 0.530029f,
- 0.430054f, 0.805054f, 1.221924f,
- 0.382568f, 0.544067f, 0.701660f,
- 0.383545f, 0.710327f, 1.149170f,
- 0.271362f, 0.529053f, 0.775513f,
- 0.246826f, 0.393555f, 0.588623f,
- 0.266846f, 0.422119f, 0.676758f,
- 0.311523f, 0.580688f, 0.838623f,
- 1.331177f, 1.576782f, 1.779541f,
- 1.160034f, 1.401978f, 1.768188f,
- 1.161865f, 1.525146f, 1.715332f,
- 0.759521f, 0.913940f, 1.119873f,
- 0.947144f, 1.121338f, 1.282471f,
- 1.015015f, 1.557007f, 1.804932f,
- 1.172974f, 1.402100f, 1.692627f,
- 1.087524f, 1.474243f, 1.665405f,
- 0.899536f, 1.105225f, 1.406250f,
- 1.148438f, 1.484741f, 1.796265f,
- 0.785645f, 1.209839f, 1.567749f,
- 0.867798f, 1.166504f, 1.450684f,
- 0.922485f, 1.229858f, 1.420898f,
- 0.791260f, 1.123291f, 1.409546f,
- 0.788940f, 0.966064f, 1.340332f,
- 1.051147f, 1.272827f, 1.556641f,
- 0.866821f, 1.181152f, 1.538818f,
- 0.906738f, 1.373535f, 1.607910f,
- 1.244751f, 1.581421f, 1.933838f,
- 0.913940f, 1.337280f, 1.539673f,
- 0.680542f, 0.959229f, 1.662720f,
- 0.887207f, 1.430542f, 1.800781f,
- 0.912598f, 1.433594f, 1.683960f,
- 0.860474f, 1.060303f, 1.455322f,
- 1.005127f, 1.381104f, 1.706909f,
- 0.800781f, 1.363892f, 1.829102f,
- 0.781860f, 1.124390f, 1.505981f,
- 1.003662f, 1.471436f, 1.684692f,
- 0.981323f, 1.309570f, 1.618042f,
- 1.228760f, 1.554321f, 1.756470f,
- 0.734375f, 0.895752f, 1.225586f,
- 0.841797f, 1.055664f, 1.249268f,
- 0.920166f, 1.119385f, 1.486206f,
- 0.894409f, 1.539063f, 1.828979f,
- 1.283691f, 1.543335f, 1.858276f,
- 0.676025f, 0.933105f, 1.490845f,
- 0.821289f, 1.491821f, 1.739868f,
- 0.923218f, 1.144653f, 1.580566f,
- 1.057251f, 1.345581f, 1.635864f,
- 0.888672f, 1.074951f, 1.353149f,
- 0.942749f, 1.195435f, 1.505493f,
- 1.492310f, 1.788086f, 2.039673f,
- 1.070313f, 1.634399f, 1.860962f,
- 1.253296f, 1.488892f, 1.686035f,
- 0.647095f, 0.864014f, 1.401855f,
- 0.866699f, 1.254883f, 1.453369f,
- 1.063965f, 1.532593f, 1.731323f,
- 1.167847f, 1.521484f, 1.884033f,
- 0.956055f, 1.502075f, 1.745605f,
- 0.928711f, 1.288574f, 1.479614f,
- 1.088013f, 1.380737f, 1.570801f,
- 0.905029f, 1.186768f, 1.371948f,
- 1.057861f, 1.421021f, 1.617432f,
- 1.108276f, 1.312500f, 1.501465f,
- 0.979492f, 1.416992f, 1.624268f,
- 1.276001f, 1.661011f, 2.007935f,
- 0.993042f, 1.168579f, 1.331665f,
- 0.778198f, 0.944946f, 1.235962f,
- 1.223755f, 1.491333f, 1.815674f,
- 0.852661f, 1.350464f, 1.722290f,
- 1.134766f, 1.593140f, 1.787354f,
- 1.051392f, 1.339722f, 1.531006f,
- 0.803589f, 1.271240f, 1.652100f,
- 0.755737f, 1.143555f, 1.639404f,
- 0.700928f, 0.837280f, 1.130371f,
- 0.942749f, 1.197876f, 1.669800f,
- 0.993286f, 1.378296f, 1.566528f,
- 0.801025f, 1.095337f, 1.298950f,
- 0.739990f, 1.032959f, 1.383667f,
- 0.845703f, 1.072266f, 1.543823f,
- 0.915649f, 1.072266f, 1.224487f,
- 1.021973f, 1.226196f, 1.481323f,
- 0.999878f, 1.204102f, 1.555908f,
- 0.722290f, 0.913940f, 1.340210f,
- 0.673340f, 0.835938f, 1.259521f,
- 0.832397f, 1.208374f, 1.394165f,
- 0.962158f, 1.576172f, 1.912842f,
- 1.166748f, 1.370850f, 1.556763f,
- 0.946289f, 1.138550f, 1.400391f,
- 1.035034f, 1.218262f, 1.386475f,
- 1.393799f, 1.717773f, 2.000244f,
- 0.972656f, 1.260986f, 1.760620f,
- 1.028198f, 1.288452f, 1.484619f,
- 0.773560f, 1.258057f, 1.756714f,
- 1.080322f, 1.328003f, 1.742676f,
- 0.823975f, 1.450806f, 1.917725f,
- 0.859009f, 1.016602f, 1.191895f,
- 0.843994f, 1.131104f, 1.645020f,
- 1.189697f, 1.702759f, 1.894409f,
- 1.346680f, 1.763184f, 2.066040f,
- 0.980469f, 1.253784f, 1.441650f,
- 1.338135f, 1.641968f, 1.932739f,
- 1.223267f, 1.424194f, 1.626465f,
- 0.765747f, 1.004150f, 1.579102f,
- 1.042847f, 1.269165f, 1.647461f,
- 0.968750f, 1.257568f, 1.555786f,
- 0.826294f, 0.993408f, 1.275146f,
- 0.742310f, 0.950439f, 1.430542f,
- 1.054321f, 1.439819f, 1.828003f,
- 1.072998f, 1.261719f, 1.441895f,
- 0.859375f, 1.036377f, 1.314819f,
- 0.895752f, 1.267212f, 1.605591f,
- 0.805420f, 0.962891f, 1.142334f,
- 0.795654f, 1.005493f, 1.468506f,
- 1.105347f, 1.313843f, 1.584839f,
- 0.792236f, 1.221802f, 1.465698f,
- 1.170532f, 1.467651f, 1.664063f,
- 0.838257f, 1.153198f, 1.342163f,
- 0.968018f, 1.198242f, 1.391235f,
- 1.250122f, 1.623535f, 1.823608f,
- 0.711670f, 1.058350f, 1.512085f,
- 1.204834f, 1.454468f, 1.739136f,
- 1.137451f, 1.421753f, 1.620117f,
- 0.820435f, 1.322754f, 1.578247f,
- 0.798706f, 1.005005f, 1.213867f,
- 0.980713f, 1.324951f, 1.512939f,
- 1.112305f, 1.438843f, 1.735596f,
- 1.135498f, 1.356689f, 1.635742f,
- 1.101318f, 1.387451f, 1.686523f,
- 0.849854f, 1.276978f, 1.523438f,
- 1.377930f, 1.627563f, 1.858154f,
- 0.884888f, 1.095459f, 1.287476f,
- 1.289795f, 1.505859f, 1.756592f,
- 0.817505f, 1.384155f, 1.650513f,
- 1.446655f, 1.702148f, 1.931885f,
- 0.835815f, 1.023071f, 1.385376f,
- 0.916626f, 1.139038f, 1.335327f,
- 0.980103f, 1.174072f, 1.453735f,
- 1.705688f, 2.153809f, 2.398315f, 2.743408f,
- 1.797119f, 2.016846f, 2.445679f, 2.701904f,
- 1.990356f, 2.219116f, 2.576416f, 2.813477f,
- 1.849365f, 2.190918f, 2.611572f, 2.835083f,
- 1.657959f, 1.854370f, 2.159058f, 2.726196f,
- 1.437744f, 1.897705f, 2.253174f, 2.655396f,
- 2.028687f, 2.247314f, 2.542358f, 2.875854f,
- 1.736938f, 1.922119f, 2.185913f, 2.743408f,
- 1.521606f, 1.870972f, 2.526855f, 2.786987f,
- 1.841431f, 2.050659f, 2.463623f, 2.857666f,
- 1.590088f, 2.067261f, 2.427979f, 2.794434f,
- 1.746826f, 2.057373f, 2.320190f, 2.800781f,
- 1.734619f, 1.940552f, 2.306030f, 2.826416f,
- 1.786255f, 2.204468f, 2.457520f, 2.795288f,
- 1.861084f, 2.170532f, 2.414551f, 2.763672f,
- 2.001465f, 2.307617f, 2.552734f, 2.811890f,
- 1.784424f, 2.124146f, 2.381592f, 2.645508f,
- 1.888794f, 2.135864f, 2.418579f, 2.861206f,
- 2.301147f, 2.531250f, 2.724976f, 2.913086f,
- 1.837769f, 2.051270f, 2.261963f, 2.553223f,
- 2.012939f, 2.221191f, 2.440186f, 2.678101f,
- 1.429565f, 1.858276f, 2.582275f, 2.845703f,
- 1.622803f, 1.897705f, 2.367310f, 2.621094f,
- 1.581543f, 1.960449f, 2.515869f, 2.736450f,
- 1.419434f, 1.933960f, 2.394653f, 2.746704f,
- 1.721924f, 2.059570f, 2.421753f, 2.769653f,
- 1.911011f, 2.220703f, 2.461060f, 2.740723f,
- 1.581177f, 1.860840f, 2.516968f, 2.874634f,
- 1.870361f, 2.098755f, 2.432373f, 2.656494f,
- 2.059692f, 2.279785f, 2.495605f, 2.729370f,
- 1.815674f, 2.181519f, 2.451538f, 2.680542f,
- 1.407959f, 1.768311f, 2.343018f, 2.668091f,
- 2.168701f, 2.394653f, 2.604736f, 2.829346f,
- 1.636230f, 1.865723f, 2.329102f, 2.824219f,
- 1.878906f, 2.139526f, 2.376709f, 2.679810f,
- 1.765381f, 1.971802f, 2.195435f, 2.586914f,
- 2.164795f, 2.410889f, 2.673706f, 2.903198f,
- 2.071899f, 2.331055f, 2.645874f, 2.907104f,
- 2.026001f, 2.311523f, 2.594849f, 2.863892f,
- 1.948975f, 2.180786f, 2.514893f, 2.797852f,
- 1.881836f, 2.130859f, 2.478149f, 2.804199f,
- 2.238159f, 2.452759f, 2.652832f, 2.868286f,
- 1.897949f, 2.101685f, 2.524292f, 2.880127f,
- 1.856445f, 2.074585f, 2.541016f, 2.791748f,
- 1.695557f, 2.199097f, 2.506226f, 2.742676f,
- 1.612671f, 1.877075f, 2.435425f, 2.732910f,
- 1.568848f, 1.786499f, 2.194580f, 2.768555f,
- 1.953369f, 2.164551f, 2.486938f, 2.874023f,
- 1.388306f, 1.725342f, 2.384521f, 2.771851f,
- 2.115356f, 2.337769f, 2.592896f, 2.864014f,
- 1.905762f, 2.111328f, 2.363525f, 2.789307f,
- 1.882568f, 2.332031f, 2.598267f, 2.827637f,
- 1.683594f, 2.088745f, 2.361938f, 2.608643f,
- 1.874023f, 2.182129f, 2.536133f, 2.766968f,
- 1.861938f, 2.070435f, 2.309692f, 2.700562f,
- 1.722168f, 2.107422f, 2.477295f, 2.837646f,
- 1.926880f, 2.184692f, 2.442627f, 2.663818f,
- 2.123901f, 2.337280f, 2.553101f, 2.777466f,
- 1.588135f, 1.911499f, 2.212769f, 2.543945f,
- 2.053955f, 2.370850f, 2.712158f, 2.939941f,
- 2.210449f, 2.519653f, 2.770386f, 2.958618f,
- 2.199463f, 2.474731f, 2.718262f, 2.919922f,
- 1.960083f, 2.175415f, 2.608032f, 2.888794f,
- 1.953735f, 2.185181f, 2.428223f, 2.809570f,
- 1.615234f, 2.036499f, 2.576538f, 2.834595f,
- 1.621094f, 2.028198f, 2.431030f, 2.664673f,
- 1.824951f, 2.267456f, 2.514526f, 2.747925f,
- 1.994263f, 2.229126f, 2.475220f, 2.833984f,
- 1.746338f, 2.011353f, 2.588257f, 2.826904f,
- 1.562866f, 2.135986f, 2.471680f, 2.687256f,
- 1.748901f, 2.083496f, 2.460938f, 2.686279f,
- 1.758057f, 2.131470f, 2.636597f, 2.891602f,
- 2.071289f, 2.299072f, 2.550781f, 2.814331f,
- 1.839600f, 2.094360f, 2.496460f, 2.723999f,
- 1.882202f, 2.088257f, 2.636841f, 2.923096f,
- 1.957886f, 2.153198f, 2.384399f, 2.615234f,
- 1.992920f, 2.351196f, 2.654419f, 2.889771f,
- 2.012817f, 2.262451f, 2.643799f, 2.903076f,
- 2.025635f, 2.254761f, 2.508423f, 2.784058f,
- 2.316040f, 2.589355f, 2.794189f, 2.963623f,
- 1.741211f, 2.279541f, 2.578491f, 2.816284f,
- 1.845337f, 2.055786f, 2.348511f, 2.822021f,
- 1.679932f, 1.926514f, 2.499756f, 2.835693f,
- 1.722534f, 1.946899f, 2.448486f, 2.728760f,
- 1.829834f, 2.043213f, 2.580444f, 2.867676f,
- 1.676636f, 2.071655f, 2.322510f, 2.704834f,
- 1.791504f, 2.113525f, 2.469727f, 2.784058f,
- 1.977051f, 2.215088f, 2.497437f, 2.726929f,
- 1.800171f, 2.106689f, 2.357788f, 2.738892f,
- 1.827759f, 2.170166f, 2.525879f, 2.852417f,
- 1.918335f, 2.132813f, 2.488403f, 2.728149f,
- 1.916748f, 2.225098f, 2.542603f, 2.857666f,
- 1.761230f, 1.976074f, 2.507446f, 2.884521f,
- 2.053711f, 2.367432f, 2.608032f, 2.837646f,
- 1.595337f, 2.000977f, 2.307129f, 2.578247f,
- 1.470581f, 2.031250f, 2.375854f, 2.647583f,
- 1.801392f, 2.128052f, 2.399780f, 2.822876f,
- 1.853638f, 2.066650f, 2.429199f, 2.751465f,
- 1.956299f, 2.163696f, 2.394775f, 2.734253f,
- 1.963623f, 2.275757f, 2.585327f, 2.865234f,
- 1.887451f, 2.105469f, 2.331787f, 2.587402f,
- 2.120117f, 2.443359f, 2.733887f, 2.941406f,
- 1.506348f, 1.766968f, 2.400513f, 2.851807f,
- 1.664551f, 1.981079f, 2.375732f, 2.774414f,
- 1.720703f, 1.978882f, 2.391479f, 2.640991f,
- 1.483398f, 1.814819f, 2.434448f, 2.722290f,
- 1.769043f, 2.136597f, 2.563721f, 2.774414f,
- 1.810791f, 2.049316f, 2.373901f, 2.613647f,
- 1.788330f, 2.005981f, 2.359131f, 2.723145f,
- 1.785156f, 1.993164f, 2.399780f, 2.832520f,
- 1.695313f, 2.022949f, 2.522583f, 2.745117f,
- 1.584106f, 1.965576f, 2.299927f, 2.715576f,
- 1.894897f, 2.249878f, 2.655884f, 2.897705f,
- 1.720581f, 1.995728f, 2.299438f, 2.557007f,
- 1.619385f, 2.173950f, 2.574219f, 2.787964f,
- 1.883179f, 2.220459f, 2.474365f, 2.825073f,
- 1.447632f, 2.045044f, 2.555542f, 2.744873f,
- 1.502686f, 2.156616f, 2.653320f, 2.846558f,
- 1.711548f, 1.944092f, 2.282959f, 2.685791f,
- 1.499756f, 1.867554f, 2.341064f, 2.578857f,
- 1.916870f, 2.135132f, 2.568237f, 2.826050f,
- 1.498047f, 1.711182f, 2.223267f, 2.755127f,
- 1.808716f, 1.997559f, 2.256470f, 2.758545f,
- 2.088501f, 2.402710f, 2.667358f, 2.890259f,
- 1.545044f, 1.819214f, 2.324097f, 2.692993f,
- 1.796021f, 2.012573f, 2.505737f, 2.784912f,
- 1.786499f, 2.041748f, 2.290405f, 2.650757f,
- 1.938232f, 2.264404f, 2.529053f, 2.796143f
-};
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * constants.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: constants.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_CONSTANTS_H
-#define __iLBC_CONSTANTS_H
-
-#include "iLBC_define.h"
-#include "ilbc.h"
-
-/* ULP bit allocation */
-
-extern const ilbc_ulp_inst_t ULP_20msTbl;
-extern const ilbc_ulp_inst_t ULP_30msTbl;
-
-/* high pass filters */
-
-extern const float hpi_zero_coefsTbl[];
-extern const float hpi_pole_coefsTbl[];
-extern const float hpo_zero_coefsTbl[];
-extern const float hpo_pole_coefsTbl[];
-
-/* low pass filters */
-extern const float lpFilt_coefsTbl[];
-
-/* LPC analysis and quantization */
-
-extern const float lpc_winTbl[];
-extern const float lpc_asymwinTbl[];
-extern const float lpc_lagwinTbl[];
-extern const float lsfCbTbl[];
-extern const float lsfmeanTbl[];
-extern const int dim_lsfCbTbl[];
-extern const int size_lsfCbTbl[];
-extern const float lsf_weightTbl_30ms[];
-extern const float lsf_weightTbl_20ms[];
-
-/* state quantization tables */
-
-extern const float state_sq3Tbl[];
-extern const float state_frgqTbl[];
-
-/* gain quantization tables */
-
-extern const float gain_sq3Tbl[];
-extern const float gain_sq4Tbl[];
-extern const float gain_sq5Tbl[];
-
-/* adaptive codebook definitions */
-
-extern const int search_rangeTbl[5][CB_NSTAGES];
-extern const int memLfTbl[];
-extern const int stMemLTbl;
-extern const float cbfiltersTbl[CB_FILTERLEN];
-
-/* enhancer definitions */
-
-extern const float polyphaserTbl[];
-extern const float enh_plocsTbl[];
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * createCB.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: createCB.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "constants.h"
-#include "createCB.h"
-
-/*----------------------------------------------------------------*
- * Construct an additional codebook vector by filtering the
- * initial codebook buffer. This vector is then used to expand
- * the codebook with an additional section.
- *---------------------------------------------------------------*/
-
-void filteredCBvecs(float *cbvectors, /* (o) Codebook vectors for the
- higher section */
- float *mem, /* (i) Buffer to create codebook
- vector from */
- int lMem) /* (i) Length of buffer */
-{
- int j;
- int k;
- const float *pp;
- const float *pp1;
- float tempbuff2[CB_MEML + CB_FILTERLEN];
- float *pos;
-
- memset(tempbuff2, 0, (CB_HALFFILTERLEN - 1)*sizeof(float));
- memcpy(&tempbuff2[CB_HALFFILTERLEN - 1], mem, lMem*sizeof(float));
- memset(&tempbuff2[lMem + CB_HALFFILTERLEN - 1], 0, (CB_HALFFILTERLEN + 1)*sizeof(float));
-
- /* Create codebook vector for higher section by filtering */
-
- /* do filtering */
- pos = cbvectors;
- memset(pos, 0, lMem*sizeof(float));
- for (k = 0; k < lMem; k++)
- {
- pp = &tempbuff2[k];
- pp1 = &cbfiltersTbl[CB_FILTERLEN - 1];
- for (j = 0; j < CB_FILTERLEN; j++)
- (*pos) += (*pp++)*(*pp1--);
- pos++;
- }
-}
-
-/*----------------------------------------------------------------*
- * Search the augmented part of the codebook to find the best
- * measure.
- *----------------------------------------------------------------*/
-
-void searchAugmentedCB(int low, /* (i) Start index for the search */
- int high, /* (i) End index for the search */
- int stage, /* (i) Current stage */
- int startIndex, /* (i) Codebook index for the first
- aug vector */
- float *target, /* (i) Target vector for encoding */
- float *buffer, /* (i) Pointer to the end of the buffer for
- augmented codebook construction */
- float *max_measure, /* (i/o) Currently maximum measure */
- int *best_index, /* (o) Currently the best index */
- float *gain, /* (o) Currently the best gain */
- float *energy, /* (o) Energy of augmented codebook
- vectors */
- float *invenergy) /* (o) Inv energy of augmented codebook
- vectors */
-{
- int icount;
- int ilow;
- int j;
- int tmpIndex;
- float *pp;
- float *ppo;
- float *ppi;
- float *ppe;
- float crossDot;
- float alfa;
- float weighted;
- float measure;
- float nrjRecursive;
- float ftmp;
-
- /* Compute the energy for the first (low-5)
- noninterpolated samples */
- nrjRecursive = 0.0f;
- pp = buffer - low + 1;
- for (j = 0; j < (low - 5); j++)
- {
- nrjRecursive += ((*pp)*(*pp));
- pp++;
- }
- ppe = buffer - low;
-
- for (icount = low; icount <= high; icount++)
- {
- /* Index of the codebook vector used for retrieving
- energy values */
- tmpIndex = startIndex+icount - 20;
-
- ilow = icount - 4;
-
- /* Update the energy recursively to save complexity */
- nrjRecursive = nrjRecursive + (*ppe)*(*ppe);
- ppe--;
- energy[tmpIndex] = nrjRecursive;
-
- /* Compute cross dot product for the first (low - 5) samples */
-
- crossDot = 0.0f;
- pp = buffer - icount;
- for (j = 0; j < ilow; j++)
- crossDot += target[j]*(*pp++);
-
- /* interpolation */
- alfa = 0.2f;
- ppo = buffer - 4;
- ppi = buffer - icount - 4;
- for (j = ilow; j < icount; j++)
- {
- weighted = (1.0f - alfa)*(*ppo) +alfa*(*ppi);
- ppo++;
- ppi++;
- energy[tmpIndex] += weighted*weighted;
- crossDot += target[j]*weighted;
- alfa += 0.2f;
- }
-
- /* Compute energy and cross dot product for the
- remaining samples */
- pp = buffer - icount;
- for (j = icount; j < SUBL; j++)
- {
- energy[tmpIndex] += (*pp)*(*pp);
- crossDot += target[j]*(*pp++);
- }
-
- if (energy[tmpIndex] > 0.0f)
- {
- invenergy[tmpIndex] = 1.0f/(energy[tmpIndex] + EPS);
- }
- else
- {
- invenergy[tmpIndex] = 0.0f;
- }
-
- if (stage == 0)
- {
- measure = -10000000.0f;
-
- if (crossDot > 0.0f)
- measure = crossDot*crossDot*invenergy[tmpIndex];
- }
- else
- {
- measure = crossDot*crossDot*invenergy[tmpIndex];
- }
-
- /* check if measure is better */
- ftmp = crossDot*invenergy[tmpIndex];
-
- if ((measure > *max_measure) && (fabsf(ftmp) < CB_MAXGAIN))
- {
- *best_index = tmpIndex;
- *max_measure = measure;
- *gain = ftmp;
- }
- }
-}
-
-/*----------------------------------------------------------------*
- * Recreate a specific codebook vector from the augmented part.
- *
- *----------------------------------------------------------------*/
-
-void createAugmentedVec(int index, /* (i) Index for the augmented vector
- to be created */
- float *buffer, /* (i) Pointer to the end of the buffer for
- augmented codebook construction */
- float *cbVec) /* (o) The construced codebook vector */
-{
- int ilow;
- int j;
- float *pp;
- float *ppo;
- float *ppi;
- float alfa;
- float alfa1;
- float weighted;
-
- ilow = index - 5;
-
- /* copy the first noninterpolated part */
-
- pp = buffer - index;
- memcpy(cbVec, pp, sizeof(float)*index);
-
- /* interpolation */
-
- alfa1 = 0.2f;
- alfa = 0.0f;
- ppo = buffer - 5;
- ppi = buffer - index - 5;
- for (j = ilow; j < index; j++)
- {
- weighted = (1.0f - alfa)*(*ppo) + alfa*(*ppi);
- ppo++;
- ppi++;
- cbVec[j] = weighted;
- alfa += alfa1;
- }
-
- /* copy the second noninterpolated part */
-
- pp = buffer - index;
- memcpy(cbVec + index, pp, sizeof(float)*(SUBL - index));
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * createCB.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: createCB.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_CREATECB_H
-#define __iLBC_CREATECB_H
-
-void filteredCBvecs(float *cbvectors, /* (o) Codebook vector for the
- higher section */
- float *mem, /* (i) Buffer to create codebook
- vectors from */
- int lMem); /* (i) Length of buffer */
-
-void searchAugmentedCB(int low, /* (i) Start index for the search */
- int high, /* (i) End index for the search */
- int stage, /* (i) Current stage */
- int startIndex, /* (i) CB index for the first
- augmented vector */
- float *target, /* (i) Target vector for encoding */
- float *buffer, /* (i) Pointer to the end of the
- buffer for augmented codebook
- construction */
- float *max_measure, /* (i/o) Currently maximum measure */
- int *best_index, /* (o) Currently the best index */
- float *gain, /* (o) Currently the best gain */
- float *energy, /* (o) Energy of augmented
- codebook vectors */
- float *invenergy); /* (o) Inv energy of aug codebook vectors */
-
-void createAugmentedVec(int index, /* (i) Index for the aug vector to be created */
- float *buffer, /* (i) Pointer to the end of the
- buffer for augmented codebook
- construction */
- float *cbVec); /* (o) The construced codebook vector */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * doCPLC.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: doCPLC.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "doCPLC.h"
-
-/*----------------------------------------------------------------*
- * Compute cross correlation and pitch gain for pitch prediction
- * of last subframe at given lag.
- *---------------------------------------------------------------*/
-
-static void compCorr(float *cc, /* (o) cross correlation coefficient */
- float *gc, /* (o) gain */
- float *pm,
- float *buffer, /* (i) signal buffer */
- int lag, /* (i) pitch lag */
- int bLen, /* (i) length of buffer */
- int sRange) /* (i) correlation search length */
-{
- int i;
- float ftmp1;
- float ftmp2;
- float ftmp3;
-
- /* Guard against getting outside buffer */
- if ((bLen - sRange - lag) < 0)
- sRange = bLen - lag;
-
- ftmp1 = 0.0f;
- ftmp2 = 0.0f;
- ftmp3 = 0.0f;
- for (i = 0; i < sRange; i++)
- {
- ftmp1 += buffer[bLen - sRange + i]*buffer[bLen - sRange + i - lag];
- ftmp2 += buffer[bLen - sRange + i - lag]*buffer[bLen - sRange + i - lag];
- ftmp3 += buffer[bLen - sRange + i]*buffer[bLen - sRange + i];
- }
-
- if (ftmp2 > 0.0f)
- {
- *cc = ftmp1*ftmp1/ftmp2;
- *gc = fabsf(ftmp1/ftmp2);
- *pm = fabsf(ftmp1)/(sqrtf(ftmp2)*sqrtf(ftmp3));
- }
- else
- {
- *cc = 0.0f;
- *gc = 0.0f;
- *pm = 0.0f;
- }
-}
-
-/*----------------------------------------------------------------*
- * Packet loss concealment routine. Conceals a residual signal
- * and LP parameters. If no packet loss, update state.
- *---------------------------------------------------------------*/
-
-void doThePLC(float *PLCresidual, /* (o) concealed residual */
- float *PLClpc, /* (o) concealed LP parameters */
- int PLI, /* (i) packet loss indicator
- 0 - no PL, 1 = PL */
- float *decresidual, /* (i) decoded residual */
- float *lpc, /* (i) decoded LPC (only used for no PL) */
- int inlag, /* (i) pitch lag */
- ilbc_decode_state_t *iLBCdec_inst) /* (i/o) decoder instance */
-{
- int lag = 20l;
- int randlag;
- float gain;
- float maxcc;
- float use_gain;
- float gain_comp, maxcc_comp, per, max_per = 0;
- int i;
- int pick;
- int use_lag;
- float ftmp;
- float randvec[ILBC_BLOCK_LEN_MAX];
- float pitchfact;
- float energy;
-
- /* Packet Loss */
- if (PLI == 1)
- {
- iLBCdec_inst->consPLICount += 1;
-
- if (iLBCdec_inst->prevPLI != 1)
- {
- /* previous frame not lost, determine pitch pred. gain */
- /* Search around the previous lag to find the best pitch period */
-
- lag = inlag - 3;
- compCorr(&maxcc,
- &gain,
- &max_per,
- iLBCdec_inst->prevResidual,
- lag,
- iLBCdec_inst->blockl,
- 60);
- for (i = inlag - 2; i <= inlag + 3; i++)
- {
- compCorr(&maxcc_comp,
- &gain_comp,
- &per,
- iLBCdec_inst->prevResidual,
- i,
- iLBCdec_inst->blockl,
- 60);
- if (maxcc_comp>maxcc)
- {
- maxcc = maxcc_comp;
- gain = gain_comp;
- lag = i;
- max_per = per;
- }
- }
- }
- else
- {
- /* previous frame lost, use recorded lag and periodicity */
- lag = iLBCdec_inst->prevLag;
- max_per = iLBCdec_inst->per;
- }
-
- /* downscaling */
- use_gain = 1.0f;
- if (iLBCdec_inst->consPLICount*iLBCdec_inst->blockl > 320)
- use_gain = 0.9f;
- else if (iLBCdec_inst->consPLICount*iLBCdec_inst->blockl > 2*320)
- use_gain = 0.7f;
- else if (iLBCdec_inst->consPLICount*iLBCdec_inst->blockl > 3*320)
- use_gain = 0.5f;
- else if (iLBCdec_inst->consPLICount*iLBCdec_inst->blockl > 4*320)
- use_gain = 0.0f;
-
- /* mix noise and pitch repeatition */
- ftmp = sqrtf(max_per);
- if (ftmp > 0.7f)
- pitchfact = 1.0f;
- else if (ftmp > 0.4f)
- pitchfact = (ftmp - 0.4f)/(0.7f - 0.4f);
- else
- pitchfact = 0.0f;
-
- /* avoid repetition of same pitch cycle */
- use_lag = lag;
- if (lag < 80)
- use_lag = 2*lag;
-
- /* compute concealed residual */
- energy = 0.0f;
- for (i = 0; i < iLBCdec_inst->blockl; i++)
- {
- /* noise component */
- iLBCdec_inst->seed = (iLBCdec_inst->seed*69069L + 1) & (0x80000000L - 1);
- randlag = 50 + ((signed long) iLBCdec_inst->seed)%70;
- pick = i - randlag;
-
- if (pick < 0)
- randvec[i] = iLBCdec_inst->prevResidual[iLBCdec_inst->blockl + pick];
- else
- randvec[i] = randvec[pick];
-
- /* pitch repeatition component */
- pick = i - use_lag;
-
- if (pick < 0)
- PLCresidual[i] = iLBCdec_inst->prevResidual[iLBCdec_inst->blockl + pick];
- else
- PLCresidual[i] = PLCresidual[pick];
-
- /* mix random and periodicity component */
- if (i < 80)
- PLCresidual[i] = use_gain*(pitchfact*PLCresidual[i] + (1.0f - pitchfact) * randvec[i]);
- else if (i < 160)
- PLCresidual[i] = 0.95f*use_gain*(pitchfact*PLCresidual[i] + (1.0f - pitchfact) * randvec[i]);
- else
- PLCresidual[i] = 0.9f*use_gain*(pitchfact*PLCresidual[i] + (1.0f - pitchfact) * randvec[i]);
- energy += PLCresidual[i] * PLCresidual[i];
- }
-
- /* less than 30 dB, use only noise */
- if (sqrt(energy/(float) iLBCdec_inst->blockl) < 30.0f)
- {
- gain = 0.0f;
- for (i = 0; i < iLBCdec_inst->blockl; i++)
- PLCresidual[i] = randvec[i];
- }
-
- /* use old LPC */
- memcpy(PLClpc, iLBCdec_inst->prevLpc, (ILBC_LPC_FILTERORDER + 1)*sizeof(float));
- }
- else
- {
- /* no packet loss, copy input */
- memcpy(PLCresidual, decresidual, iLBCdec_inst->blockl*sizeof(float));
- memcpy(PLClpc, lpc, (ILBC_LPC_FILTERORDER + 1)*sizeof(float));
- iLBCdec_inst->consPLICount = 0;
- }
-
- /* update state */
- if (PLI)
- {
- iLBCdec_inst->prevLag = lag;
- iLBCdec_inst->per = max_per;
- }
-
- iLBCdec_inst->prevPLI = PLI;
- memcpy(iLBCdec_inst->prevLpc, PLClpc, (ILBC_LPC_FILTERORDER + 1)*sizeof(float));
- memcpy(iLBCdec_inst->prevResidual, PLCresidual, iLBCdec_inst->blockl*sizeof(float));
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * doCPLC.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: doCPLC.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_DOCLPC_H
-#define __iLBC_DOCLPC_H
-
-void doThePLC(float *PLCresidual, /* (o) concealed residual */
- float *PLClpc, /* (o) concealed LP parameters */
- int PLI, /* (i) packet loss indicator, 0 - no PL, 1 = PL */
- float *decresidual, /* (i) decoded residual */
- float *lpc, /* (i) decoded LPC (only used for no PL) */
- int inlag, /* (i) pitch lag */
- ilbc_decode_state_t *iLBCdec_inst); /* (i/o) decoder instance */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * enhancer.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: enhancer.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "constants.h"
-#include "filter.h"
-#include "enhancer.h"
-
-/*----------------------------------------------------------------*
- * Find index in array such that the array element with said
- * index is the element of said array closest to "value"
- * according to the squared-error criterion
- *---------------------------------------------------------------*/
-
-static void NearestNeighbor(int *index, /* (o) index of array element closest to value */
- const float *array, /* (i) data array */
- float value, /* (i) value */
- int arlength) /* (i) dimension of data array */
-{
- int i;
- float bestcrit;
- float crit;
-
- crit = array[0] - value;
- bestcrit = crit*crit;
- *index = 0;
- for (i = 1; i < arlength; i++)
- {
- crit = array[i] - value;
- crit = crit*crit;
-
- if (crit < bestcrit)
- {
- bestcrit= crit;
- *index = i;
- }
- }
-}
-
-/*----------------------------------------------------------------*
- * compute cross correlation between sequences
- *---------------------------------------------------------------*/
-
-static void mycorr1(float *corr, /* (o) correlation of seq1 and seq2 */
- float *seq1, /* (i) first sequence */
- int dim1, /* (i) dimension first seq1 */
- const float *seq2, /* (i) second sequence */
- int dim2) /* (i) dimension seq2 */
-{
- int i;
- int j;
-
- for (i = 0; i <= dim1 - dim2; i++)
- {
- corr[i] = 0.0f;
- for (j = 0; j < dim2; j++)
- corr[i] += seq1[i + j]*seq2[j];
- }
-}
-
-/*----------------------------------------------------------------*
- * upsample finite array assuming zeros outside bounds
- *---------------------------------------------------------------*/
-
-static void enh_upsample(float *useq1, /* (o) upsampled output sequence */
- float *seq1, /* (i) unupsampled sequence */
- int dim1, /* (i) dimension seq1 */
- int hfl) /* (i) polyphase filter length=2*hfl+1 */
-{
- float *pu;
- float *ps;
- int i;
- int j;
- int k;
- int q;
- int filterlength;
- int hfl2;
- const float *polyp[ENH_UPS0]; /* pointers to polyphase columns */
- const float *pp;
-
- /* define pointers for filter */
-
- filterlength = 2*hfl + 1;
-
- if (filterlength > dim1)
- {
- hfl2 = (int) (dim1/2);
- for (j = 0; j < ENH_UPS0; j++)
- polyp[j] = polyphaserTbl + j*filterlength + hfl - hfl2;
- hfl = hfl2;
- filterlength = 2*hfl + 1;
- }
- else
- {
- for (j = 0; j < ENH_UPS0; j++)
- polyp[j] = polyphaserTbl+j*filterlength;
- }
-
- /* filtering: filter overhangs left side of sequence */
- pu = useq1;
- for (i = hfl; i < filterlength; i++)
- {
- for (j = 0; j < ENH_UPS0; j++)
- {
- *pu = 0.0f;
- pp = polyp[j];
- ps = seq1 + i;
- for (k = 0; k <= i; k++)
- *pu += *ps-- * *pp++;
- pu++;
- }
- }
-
- /* filtering: simple convolution=inner products */
- for (i = filterlength; i < dim1; i++)
- {
- for (j = 0; j < ENH_UPS0; j++)
- {
- *pu = 0.0f;
- pp = polyp[j];
- ps = seq1 + i;
- for (k = 0; k < filterlength; k++)
- *pu += *ps-- * *pp++;
- pu++;
- }
- }
-
- /* filtering: filter overhangs right side of sequence */
- for (q = 1; q <= hfl; q++)
- {
- for (j = 0; j < ENH_UPS0; j++)
- {
- *pu = 0.0f;
- pp = polyp[j] + q;
- ps = seq1 + dim1 - 1;
- for (k = 0; k < filterlength - q; k++)
- *pu += *ps-- * *pp++;
- pu++;
- }
- }
-}
-
-/*----------------------------------------------------------------*
- * find segment starting near idata+estSegPos that has highest
- * correlation with idata+centerStartPos through
- * idata+centerStartPos+ENH_BLOCKL-1 segment is found at a
- * resolution of ENH_UPSO times the original of the original
- * sampling rate
- *---------------------------------------------------------------*/
-
-static void refiner(float *seg, /* (o) segment array */
- float *updStartPos, /* (o) updated start point */
- float *idata, /* (i) original data buffer */
- int idatal, /* (i) dimension of idata */
- int centerStartPos, /* (i) beginning center segment */
- float estSegPos, /* (i) estimated beginning other segment */
- float period) /* (i) estimated pitch period */
-{
- int estSegPosRounded;
- int searchSegStartPos;
- int searchSegEndPos;
- int corrdim;
- int tloc;
- int tloc2;
- int i;
- int st;
- int en;
- int fraction;
- float vect[ENH_VECTL];
- float corrVec[ENH_CORRDIM];
- float maxv;
- float corrVecUps[ENH_CORRDIM*ENH_UPS0];
-
- period = period;
-
- /* defining array bounds */
- estSegPosRounded = (int)(estSegPos - 0.5f);
-
- searchSegStartPos = estSegPosRounded - ENH_SLOP;
-
- if (searchSegStartPos < 0)
- searchSegStartPos = 0;
- searchSegEndPos = estSegPosRounded + ENH_SLOP;
-
- if (searchSegEndPos + ENH_BLOCKL >= idatal)
- searchSegEndPos = idatal - ENH_BLOCKL - 1;
- corrdim = searchSegEndPos - searchSegStartPos + 1;
-
- /* compute upsampled correlation (corr33) and find location of max */
- mycorr1(corrVec, idata + searchSegStartPos, corrdim + ENH_BLOCKL - 1, idata + centerStartPos, ENH_BLOCKL);
- enh_upsample(corrVecUps, corrVec, corrdim, ENH_FL0);
- tloc = 0;
- maxv = corrVecUps[0];
- for (i = 1; i < ENH_UPS0*corrdim; i++)
- {
- if (corrVecUps[i]>maxv)
- {
- tloc = i;
- maxv = corrVecUps[i];
- }
- }
-
- /* make vector can be upsampled without ever running outside bounds */
- *updStartPos = (float) searchSegStartPos + (float) tloc/(float) ENH_UPS0 + 1.0f;
- tloc2 = (int) (tloc/ENH_UPS0);
-
- if (tloc > tloc2*ENH_UPS0)
- tloc2++;
- st = searchSegStartPos + tloc2 - ENH_FL0;
-
- if (st < 0)
- {
- memset(vect, 0, -st*sizeof(float));
- memcpy(&vect[-st], idata, (ENH_VECTL + st)*sizeof(float));
- }
- else
- {
- en = st + ENH_VECTL;
-
- if (en>idatal)
- {
- memcpy(vect, &idata[st], (ENH_VECTL - (en - idatal))*sizeof(float));
- memset(&vect[ENH_VECTL - (en - idatal)], 0, (en - idatal)*sizeof(float));
- }
- else
- {
- memcpy(vect, &idata[st], ENH_VECTL*sizeof(float));
- }
- }
- fraction = tloc2*ENH_UPS0 - tloc;
-
- /* compute the segment (this is actually a convolution) */
- mycorr1(seg, vect, ENH_VECTL, polyphaserTbl + (2*ENH_FL0 + 1)*fraction, 2*ENH_FL0 + 1);
-}
-
-/*----------------------------------------------------------------*
- * find the smoothed output data
- *---------------------------------------------------------------*/
-
-static void smath(float *odata, /* (o) smoothed output */
- float *sseq, /* (i) said second sequence of waveforms */
- int hl, /* (i) 2*hl+1 is sseq dimension */
- float alpha0) /* (i) max smoothing energy fraction */
-{
- int i;
- int k;
- float w00;
- float w10;
- float w11;
- float A;
- float B;
- float C;
- float *psseq;
- float err,errs;
- float surround[ILBC_BLOCK_LEN_MAX]; /* shape contributed by other than current */
- float wt[2*ENH_HL + 1]; /* waveform weighting to get surround shape */
- float denom;
-
- /* create shape of contribution from all waveforms except the
- current one */
-
- for (i = 1; i <= 2*hl + 1; i++)
- wt[i - 1] = 0.5f*(1.0f - cosf(2.0f*PI*i/(2.0f*hl + 2.0f)));
- wt[hl] = 0.0f; /* for clarity, not used */
- for (i = 0; i < ENH_BLOCKL; i++)
- surround[i] = sseq[i]*wt[0];
-
- for (k = 1; k < hl; k++)
- {
- psseq = sseq + k*ENH_BLOCKL;
- for (i = 0; i < ENH_BLOCKL; i++)
- surround[i] += psseq[i]*wt[k];
- }
- for (k = hl + 1; k <= 2*hl; k++)
- {
- psseq = sseq + k*ENH_BLOCKL;
- for (i = 0; i < ENH_BLOCKL; i++)
- surround[i] += psseq[i]*wt[k];
- }
-
- /* compute some inner products */
- w00 =
- w10 =
- w11 = 0.0f;
- psseq = sseq + hl*ENH_BLOCKL; /* current block */
- for (i = 0; i < ENH_BLOCKL; i++)
- {
- w00 += psseq[i]*psseq[i];
- w11 += surround[i]*surround[i];
- w10 += surround[i]*psseq[i];
- }
-
- if (fabsf(w11) < 1.0f)
- w11 = 1.0f;
- C = sqrtf(w00/w11);
-
- /* first try enhancement without power-constraint */
- errs = 0.0f;
- psseq = sseq + hl*ENH_BLOCKL;
- for (i = 0; i < ENH_BLOCKL; i++)
- {
- odata[i] = C*surround[i];
- err = psseq[i] - odata[i];
- errs += err*err;
- }
-
- /* if constraint violated by first try, add constraint */
- if (errs > alpha0 * w00)
- {
- if (w00 < 1)
- w00 = 1;
- denom = (w11*w00 - w10*w10)/(w00*w00);
-
- if (denom > 0.0001f)
- {
- /* eliminates numerical problems for if smooth */
- A = sqrtf((alpha0 - alpha0*alpha0/4)/denom);
- B = -alpha0/2.0f - A*w10/w00;
- B = B + 1.0f;
- }
- else
- {
- /* essentially no difference between cycles; smoothing not needed */
- A = 0.0f;
- B = 1.0f;
- }
-
- /* create smoothed sequence */
- psseq = sseq + hl*ENH_BLOCKL;
- for (i = 0; i < ENH_BLOCKL; i++)
- odata[i] = A*surround[i] + B*psseq[i];
- }
-}
-
-/*----------------------------------------------------------------*
- * get the pitch-synchronous sample sequence
- *---------------------------------------------------------------*/
-
-static void getsseq(float *sseq, /* (o) the pitch-synchronous sequence */
- float *idata, /* (i) original data */
- int idatal, /* (i) dimension of data */
- int centerStartPos, /* (i) where current block starts */
- float *period, /* (i) rough-pitch-period array */
- const float *plocs, /* (i) where periods of period array are taken */
- int periodl, /* (i) dimension period array */
- int hl) /* (i) 2*hl+1 is the number of sequences */
-{
- int i;
- int centerEndPos;
- int q;
- float blockStartPos[2*ENH_HL + 1];
- int lagBlock[2*ENH_HL + 1];
- float plocs2[ENH_PLOCSL];
- float *psseq;
-
- centerEndPos = centerStartPos + ENH_BLOCKL - 1;
-
- /* present */
- NearestNeighbor(lagBlock + hl,
- plocs,
- 0.5f*(centerStartPos + centerEndPos),
- periodl);
-
- blockStartPos[hl] = (float) centerStartPos;
-
- psseq = sseq + ENH_BLOCKL*hl;
- memcpy(psseq, idata + centerStartPos, ENH_BLOCKL*sizeof(float));
-
- /* past */
- for (q = hl - 1; q >= 0; q--)
- {
- blockStartPos[q] = blockStartPos[q + 1] - period[lagBlock[q + 1]];
- NearestNeighbor(lagBlock + q,
- plocs,
- blockStartPos[q] + ENH_BLOCKL_HALF - period[lagBlock[q + 1]],
- periodl);
-
- if (blockStartPos[q] - ENH_OVERHANG >= 0)
- {
- refiner(sseq + q*ENH_BLOCKL,
- blockStartPos + q,
- idata,
- idatal,
- centerStartPos,
- blockStartPos[q],
- period[lagBlock[q + 1]]);
- }
- else
- {
- psseq = sseq + q*ENH_BLOCKL;
- memset(psseq, 0, ENH_BLOCKL*sizeof(float));
- }
- }
-
- /* future */
- for (i = 0; i < periodl; i++)
- plocs2[i] = plocs[i] - period[i];
- for (q = hl + 1; q <= 2*hl; q++)
- {
- NearestNeighbor(lagBlock + q, plocs2, blockStartPos[q - 1] + ENH_BLOCKL_HALF, periodl);
-
- blockStartPos[q] = blockStartPos[q - 1] + period[lagBlock[q]];
- if (blockStartPos[q] + ENH_BLOCKL + ENH_OVERHANG < idatal)
- {
- refiner(sseq + ENH_BLOCKL*q,
- blockStartPos + q,
- idata,
- idatal,
- centerStartPos,
- blockStartPos[q],
- period[lagBlock[q]]);
- }
- else
- {
- psseq = sseq + q*ENH_BLOCKL;
- memset(psseq, 0, ENH_BLOCKL*sizeof(float));
- }
- }
-}
-
-/*----------------------------------------------------------------*
- * perform enhancement on idata+centerStartPos through
- * idata+centerStartPos+ENH_BLOCKL-1
- *---------------------------------------------------------------*/
-
-static void enhancer(float *odata, /* (o) smoothed block, dimension blockl */
- float *idata, /* (i) data buffer used for enhancing */
- int idatal, /* (i) dimension idata */
- int centerStartPos, /* (i) first sample current block within idata */
- float alpha0, /* (i) max correction-energy-fraction (in [0,1]) */
- float *period, /* (i) pitch period array */
- const float *plocs, /* (i) locations where period array values valid */
- int periodl) /* (i) dimension of period and plocs */
-{
- float sseq[(2*ENH_HL + 1)*ENH_BLOCKL];
-
- /* get said second sequence of segments */
- getsseq(sseq, idata, idatal, centerStartPos, period, plocs, periodl, ENH_HL);
-
- /* compute the smoothed output from said second sequence */
- smath(odata, sseq, ENH_HL, alpha0);
-}
-
-/*----------------------------------------------------------------*
- * cross correlation
- *---------------------------------------------------------------*/
-
-float xCorrCoef(float *target, /* (i) first array */
- float *regressor, /* (i) second array */
- int subl) /* (i) dimension arrays */
-{
- int i;
- float ftmp1;
- float ftmp2;
-
- ftmp1 = 0.0f;
- ftmp2 = 0.0f;
- for (i = 0; i < subl; i++)
- {
- ftmp1 += target[i]*regressor[i];
- ftmp2 += regressor[i]*regressor[i];
- }
-
- if (ftmp1 > 0.0f)
- return (float)(ftmp1*ftmp1/ftmp2);
- return 0.0f;
-}
-
-/*----------------------------------------------------------------*
- * interface for enhancer
- *---------------------------------------------------------------*/
-
-int enhancerInterface(float *out, /* (o) enhanced signal */
- float *in, /* (i) unenhanced signal */
- ilbc_decode_state_t *iLBCdec_inst) /* (i) buffers etc */
-{
- float *enh_buf;
- float *enh_period;
- int iblock;
- int isample;
- int lag = 0;
- int ilag;
- int i;
- int ioffset;
- float cc;
- float maxcc;
- float ftmp1;
- float ftmp2;
- float *inPtr;
- float *enh_bufPtr1;
- float *enh_bufPtr2;
- float plc_pred[ENH_BLOCKL];
-
- float lpState[6];
- float downsampled[(ENH_NBLOCKS*ENH_BLOCKL + 120)/2];
- int inLen = ENH_NBLOCKS*ENH_BLOCKL + 120;
- int start;
- int plc_blockl;
- int inlag;
-
- enh_buf = iLBCdec_inst->enh_buf;
- enh_period = iLBCdec_inst->enh_period;
-
- memmove(enh_buf,
- &enh_buf[iLBCdec_inst->blockl],
- (ENH_BUFL - iLBCdec_inst->blockl)*sizeof(float));
-
- memcpy(&enh_buf[ENH_BUFL - iLBCdec_inst->blockl],
- in,
- iLBCdec_inst->blockl*sizeof(float));
-
- if (iLBCdec_inst->mode == 30)
- plc_blockl = ENH_BLOCKL;
- else
- plc_blockl = 40;
-
- /* when 20 ms frame, move processing one block */
- ioffset = 0;
- if (iLBCdec_inst->mode == 20)
- ioffset = 1;
-
- i = 3 - ioffset;
- memmove(enh_period, &enh_period[i], (ENH_NBLOCKS_TOT - i)*sizeof(float));
-
- /* Set state information to the 6 samples right before
- the samples to be downsampled. */
-
- memcpy(lpState,
- enh_buf + (ENH_NBLOCKS_EXTRA + ioffset)*ENH_BLOCKL - 126,
- 6*sizeof(float));
-
- /* Down sample a factor 2 to save computations */
- DownSample(enh_buf + (ENH_NBLOCKS_EXTRA + ioffset)*ENH_BLOCKL - 120,
- lpFilt_coefsTbl,
- inLen - ioffset*ENH_BLOCKL,
- lpState,
- downsampled);
-
- /* Estimate the pitch in the down sampled domain. */
- for (iblock = 0; iblock<ENH_NBLOCKS-ioffset; iblock++)
- {
- lag = 10;
- maxcc = xCorrCoef(downsampled + 60 + iblock*ENH_BLOCKL_HALF,
- downsampled + 60 + iblock*ENH_BLOCKL_HALF - lag,
- ENH_BLOCKL_HALF);
- for (ilag = 11; ilag < 60; ilag++)
- {
- cc = xCorrCoef(downsampled + 60 + iblock*ENH_BLOCKL_HALF,
- downsampled + 60 + iblock*ENH_BLOCKL_HALF - ilag,
- ENH_BLOCKL_HALF);
- if (cc > maxcc)
- {
- maxcc = cc;
- lag = ilag;
- }
- }
-
- /* Store the estimated lag in the non-downsampled domain */
- enh_period[iblock + ENH_NBLOCKS_EXTRA + ioffset] = (float) lag*2.0f;
- }
- /* PLC was performed on the previous packet */
- if (iLBCdec_inst->prev_enh_pl == 1)
- {
- inlag = (int) enh_period[ENH_NBLOCKS_EXTRA + ioffset];
-
- lag = inlag - 1;
- maxcc = xCorrCoef(in, in + lag, plc_blockl);
- for (ilag = inlag; ilag <= inlag + 1; ilag++)
- {
- cc = xCorrCoef(in, in + ilag, plc_blockl);
- if (cc > maxcc)
- {
- maxcc = cc;
- lag = ilag;
- }
- }
-
- enh_period[ENH_NBLOCKS_EXTRA + ioffset - 1] = (float) lag;
-
- /* compute new concealed residual for the old lookahead,
- mix the forward PLC with a backward PLC from
- the new frame */
-
- inPtr = &in[lag - 1];
-
- enh_bufPtr1 = &plc_pred[plc_blockl - 1];
-
- if (lag > plc_blockl)
- start = plc_blockl;
- else
- start = lag;
-
- for (isample = start; isample > 0; isample--)
- *enh_bufPtr1-- = *inPtr--;
-
- enh_bufPtr2=&enh_buf[ENH_BUFL - 1 - iLBCdec_inst->blockl];
- for (isample = (plc_blockl - 1 - lag); isample >= 0; isample--)
- *enh_bufPtr1-- = *enh_bufPtr2--;
-
- /* limit energy change */
- ftmp2 = 0.0f;
- ftmp1 = 0.0f;
- for (i = 0; i < plc_blockl; i++)
- {
- ftmp2 += enh_buf[ENH_BUFL - 1 - iLBCdec_inst->blockl - i]*enh_buf[ENH_BUFL - 1 - iLBCdec_inst->blockl - i];
- ftmp1 += plc_pred[i]*plc_pred[i];
- }
- ftmp1 = sqrtf(ftmp1/(float) plc_blockl);
- ftmp2 = sqrtf(ftmp2/(float) plc_blockl);
- if (ftmp1 > 2.0f*ftmp2 && ftmp1 > 0.0f)
- {
- for (i = 0; i < plc_blockl - 10; i++)
- plc_pred[i] *= 2.0f*ftmp2/ftmp1;
- for (i = plc_blockl - 10; i < plc_blockl; i++)
- plc_pred[i]*=(float)(i - plc_blockl + 10)*(1.0f - 2.0f*ftmp2/ftmp1)/10.0f + 2.0f*ftmp2/ftmp1;
- }
-
- enh_bufPtr1 = &enh_buf[ENH_BUFL - 1 - iLBCdec_inst->blockl];
- for (i = 0; i < plc_blockl; i++)
- {
- ftmp1 = (float) (i + 1)/(float) (plc_blockl + 1);
- *enh_bufPtr1 *= ftmp1;
- *enh_bufPtr1 += (1.0f - ftmp1)*plc_pred[plc_blockl - 1 - i];
- enh_bufPtr1--;
- }
- }
-
- if (iLBCdec_inst->mode == 20)
- {
- /* Enhancer with 40 samples delay */
- for (iblock = 0; iblock < 2; iblock++)
- {
- enhancer(out + iblock*ENH_BLOCKL,
- enh_buf,
- ENH_BUFL,
- (5 + iblock)*ENH_BLOCKL + 40,
- ENH_ALPHA0,
- enh_period,
- enh_plocsTbl,
- ENH_NBLOCKS_TOT);
- }
- }
- else if (iLBCdec_inst->mode == 30)
- {
- /* Enhancer with 80 samples delay */
- for (iblock = 0; iblock < 3; iblock++)
- {
- enhancer(out + iblock*ENH_BLOCKL,
- enh_buf,
- ENH_BUFL,
- (4 + iblock)*ENH_BLOCKL,
- ENH_ALPHA0,
- enh_period,
- enh_plocsTbl,
- ENH_NBLOCKS_TOT);
- }
- }
-
- return lag*2;
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * enhancer.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: enhancer.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __ENHANCER_H
-#define __ENHANCER_H
-
-float xCorrCoef(float *target, /* (i) first array */
- float *regressor, /* (i) second array */
- int subl); /* (i) dimension arrays */
-
-int enhancerInterface(float *out, /* (o) the enhanced recidual signal */
- float *in, /* (i) the recidual signal to enhance */
- ilbc_decode_state_t *iLBCdec_inst); /* (i/o) the decoder state structure */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * filter.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: filter.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-
-#include "iLBC_define.h"
-#include "filter.h"
-
-/*----------------------------------------------------------------*
- * all-pole filter
- *---------------------------------------------------------------*/
-
-void AllPoleFilter(float *InOut, /* (i/o) on entrance InOut[-orderCoef] to
- InOut[-1] contain the state of the
- filter (delayed samples). InOut[0] to
- InOut[lengthInOut-1] contain the filter
- input, on en exit InOut[-orderCoef] to
- InOut[-1] is unchanged and InOut[0] to
- InOut[lengthInOut-1] contain filtered
- samples */
- const float *Coef, /* (i) filter coefficients, Coef[0] is assumed to be 1.0 */
- int lengthInOut, /* (i) number of input/output samples */
- int orderCoef) /* (i) number of filter coefficients */
-{
- int n;
- int k;
-
- for (n = 0; n < lengthInOut; n++)
- {
- for (k = 1; k <= orderCoef; k++)
- *InOut -= Coef[k]*InOut[-k];
- InOut++;
- }
-}
-
-/*----------------------------------------------------------------*
- * all-zero filter
- *---------------------------------------------------------------*/
-
-void AllZeroFilter(float *In, /* (i) In[0] to In[lengthInOut-1] contain
- filter input samples */
- const float *Coef, /* (i) filter coefficients (Coef[0] is assumed to be 1.0) */
- int lengthInOut, /* (i) number of input/output samples */
- int orderCoef, /* (i) number of filter coefficients */
- float *Out) /* (i/o) on entrance Out[-orderCoef] to Out[-1]
- contain the filter state, on exit Out[0]
- to Out[lengthInOut-1] contain filtered
- samples */
-{
- int n;
- int k;
-
- for (n = 0; n < lengthInOut; n++)
- {
- *Out = Coef[0]*In[0];
- for (k = 1; k <= orderCoef; k++)
- *Out += Coef[k]*In[-k];
- Out++;
- In++;
- }
-}
-
-/*----------------------------------------------------------------*
- * pole-zero filter
- *---------------------------------------------------------------*/
-
-void ZeroPoleFilter(float *In, /* (i) In[0] to In[lengthInOut-1] contain
- filter input samples In[-orderCoef] to
- In[-1] contain state of all-zero
- section */
- const float *ZeroCoef, /* (i) filter coefficients for all-zero
- section (ZeroCoef[0] is assumed to
- be 1.0) */
- const float *PoleCoef, /* (i) filter coefficients for all-pole section
- (ZeroCoef[0] is assumed to be 1.0) */
- int lengthInOut, /* (i) number of input/output samples */
- int orderCoef, /* (i) number of filter coefficients */
- float *Out) /* (i/o) on entrance Out[-orderCoef] to Out[-1]
- contain state of all-pole section. On
- exit Out[0] to Out[lengthInOut-1]
- contain filtered samples */
-{
- AllZeroFilter(In, ZeroCoef, lengthInOut, orderCoef, Out);
- AllPoleFilter(Out, PoleCoef, lengthInOut, orderCoef);
-}
-
-/*----------------------------------------------------------------*
- * downsample (LP filter and decimation)
- *---------------------------------------------------------------*/
-
-void DownSample(const float *In, /* (i) input samples */
- const float *Coef, /* (i) filter coefficients */
- int lengthIn, /* (i) number of input samples */
- float *state, /* (i) filter state */
- float *Out) /* (o) downsampled output */
-{
- float o;
- float *Out_ptr = Out;
- const float *Coef_ptr;
- const float *In_ptr;
- float *state_ptr;
- int i;
- int j;
- int stop;
-
- /* LP filter and decimate at the same time */
- for (i = DELAY_DS; i < lengthIn; i += FACTOR_DS)
- {
- Coef_ptr = &Coef[0];
- In_ptr = &In[i];
- state_ptr = &state[FILTERORDER_DS - 2];
-
- o = 0.0f;
-
- stop = (i < FILTERORDER_DS) ? (i + 1) : FILTERORDER_DS;
-
- for (j = 0; j < stop; j++)
- o += *Coef_ptr++ * (*In_ptr--);
- for (j = i + 1; j < FILTERORDER_DS; j++)
- o += *Coef_ptr++ * (*state_ptr--);
- *Out_ptr++ = o;
- }
-
- /* Get the last part (use zeros as input for the future) */
- for (i = (lengthIn + FACTOR_DS); i < (lengthIn + DELAY_DS); i += FACTOR_DS)
- {
- o = 0.0f;
-
- if (i<lengthIn)
- {
- Coef_ptr = &Coef[0];
- for (j = 0; j < FILTERORDER_DS; j++)
- o += *Coef_ptr++ * (*Out_ptr--);
- }
- else
- {
- Coef_ptr = &Coef[i - lengthIn];
- In_ptr = &In[lengthIn - 1];
- for (j = 0; j < FILTERORDER_DS - (i - lengthIn); j++)
- o += *Coef_ptr++ * (*In_ptr--);
- }
- *Out_ptr++ = o;
- }
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * filter.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: filter.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_FILTER_H
-#define __iLBC_FILTER_H
-
-void AllPoleFilter(float *InOut, /* (i/o) on entrance InOut[-orderCoef] to
- InOut[-1] contain the state of the
- filter (delayed samples). InOut[0] to
- InOut[lengthInOut-1] contain the filter
- input, on en exit InOut[-orderCoef] to
- InOut[-1] is unchanged and InOut[0] to
- InOut[lengthInOut-1] contain filtered
- samples */
- const float *Coef, /* (i) filter coefficients, Coef[0] is assumed to be 1.0 */
- int lengthInOut, /* (i) number of input/output samples */
- int orderCoef); /* (i) number of filter coefficients */
-
-void AllZeroFilter(float *In, /* (i) In[0] to In[lengthInOut-1] contain
- filter input samples */
- const float *Coef, /* (i) filter coefficients (Coef[0] is assumed to be 1.0) */
- int lengthInOut, /* (i) number of input/output samples */
- int orderCoef, /* (i) number of filter coefficients */
- float *Out); /* (i/o) on entrance Out[-orderCoef] to Out[-1]
- contain the filter state, on exit Out[0]
- to Out[lengthInOut-1] contain filtered
- samples */
-
-void ZeroPoleFilter(float *In, /* (i) In[0] to In[lengthInOut-1] contain filter
- input samples In[-orderCoef] to In[-1]
- contain state of all-zero section */
- const float *ZeroCoef, /* (i) filter coefficients for all-zero
- section (ZeroCoef[0] is assumed to
- be 1.0) */
- const float *PoleCoef, /* (i) filter coefficients for all-pole section
- (ZeroCoef[0] is assumed to be 1.0) */
- int lengthInOut, /* (i) number of input/output samples */
- int orderCoef, /* (i) number of filter coefficients */
- float *Out); /* (i/o) on entrance Out[-orderCoef] to Out[-1]
- contain state of all-pole section. On
- exit Out[0] to Out[lengthInOut-1]
- contain filtered samples */
-
-void DownSample(const float *In, /* (i) input samples */
- const float *Coef, /* (i) filter coefficients */
- int lengthIn, /* (i) number of input samples */
- float *state, /* (i) filter state */
- float *Out); /* (o) downsampled output */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * gainquant.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: gainquant.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <string.h>
-
-#include "constants.h"
-#include "filter.h"
-#include "gainquant.h"
-
-/*----------------------------------------------------------------*
- * quantizer for the gain in the gain-shape coding of residual
- *---------------------------------------------------------------*/
-
-float gainquant( /* (o) quantized gain value */
- float in, /* (i) gain value */
- float maxIn, /* (i) maximum of gain value */
- int cblen, /* (i) number of quantization indices */
- int *index) /* (o) quantization index */
-{
- int i;
- int tindex;
- float minmeasure;
- float measure;
- const float *cb;
- float scale;
-
- /* ensure a lower bound on the scaling factor */
- scale = maxIn;
-
- if (scale < 0.1f)
- scale = 0.1f;
-
- /* select the quantization table */
- if (cblen == 8)
- cb = gain_sq3Tbl;
- else if (cblen == 16)
- cb = gain_sq4Tbl;
- else
- cb = gain_sq5Tbl;
-
- /* select the best index in the quantization table */
- minmeasure = 10000000.0f;
- tindex = 0;
- for (i = 0; i < cblen; i++)
- {
- measure = (in-scale*cb[i])*(in-scale*cb[i]);
-
- if (measure < minmeasure)
- {
- tindex = i;
- minmeasure = measure;
- }
- }
- *index = tindex;
-
- /* return the quantized value */
- return scale*cb[tindex];
-}
-
-/*----------------------------------------------------------------*
- * decoder for quantized gains in the gain-shape coding of
- * residual
- *---------------------------------------------------------------*/
-
-float gaindequant( /* (o) quantized gain value */
- int index, /* (i) quantization index */
- float maxIn, /* (i) maximum of unquantized gain */
- int cblen) /* (i) number of quantization indices */
-{
- float scale;
-
- /* obtain correct scale factor */
- scale = fabsf(maxIn);
-
- if (scale < 0.1f)
- scale = 0.1f;
-
- /* select the quantization table and return the decoded value */
- if (cblen == 8)
- return scale*gain_sq3Tbl[index];
- if (cblen == 16)
- return scale*gain_sq4Tbl[index];
- if (cblen == 32)
- return scale*gain_sq5Tbl[index];
-
- return 0.0;
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * gainquant.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: gainquant.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_GAINQUANT_H
-#define __iLBC_GAINQUANT_H
-
-float gainquant( /* (o) quantized gain value */
- float in, /* (i) gain value */
- float maxIn, /* (i) maximum of gain value */
- int cblen, /* (i) number of quantization indices */
- int *index); /* (o) quantization index */
-
-float gaindequant( /* (o) quantized gain value */
- int index, /* (i) quantization index */
- float maxIn, /* (i) maximum of unquantized gain */
- int cblen); /* (i) number of quantization indices */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * getCBvec.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: getCBvec.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "constants.h"
-#include "getCBvec.h"
-
-/*----------------------------------------------------------------*
- * Construct codebook vector for given index.
- *---------------------------------------------------------------*/
-
-void getCBvec(float *cbvec, /* (o) Constructed codebook vector */
- float *mem, /* (i) Codebook buffer */
- int index, /* (i) Codebook index */
- int lMem, /* (i) Length of codebook buffer */
- int cbveclen) /* (i) Codebook vector length */
-{
- int j;
- int k;
- int n;
- int memInd;
- int sFilt;
- float tmpbuf[CB_MEML];
- int base_size;
- int ilow;
- int ihigh;
- float alfa;
- float alfa1;
-
- /* Determine size of codebook sections */
- base_size = lMem - cbveclen + 1;
-
- if (cbveclen == SUBL)
- base_size += cbveclen/2;
-
- /* No filter -> First codebook section */
- if (index < lMem - cbveclen + 1)
- {
- /* First non-interpolated vectors */
- k = index + cbveclen;
- /* Get vector */
- memcpy(cbvec, mem + lMem - k, cbveclen*sizeof(float));
- }
- else if (index < base_size)
- {
- k = 2*(index - (lMem - cbveclen + 1)) + cbveclen;
-
- ihigh = k/2;
- ilow = ihigh - 5;
-
- /* Copy first noninterpolated part */
- memcpy(cbvec, mem + lMem - k/2, ilow*sizeof(float));
-
- /* Interpolation */
- alfa1 = 0.2f;
- alfa = 0.0f;
- for (j = ilow; j < ihigh; j++)
- {
- cbvec[j] = (1.0f - alfa)*mem[lMem - k/2 + j] + alfa*mem[lMem - k + j];
- alfa += alfa1;
- }
-
- /* Copy second noninterpolated part */
- memcpy(cbvec + ihigh, mem + lMem - k + ihigh, (cbveclen - ihigh)*sizeof(float));
- }
- /* Higher codebook section based on filtering */
- else
- {
- if (index - base_size < lMem - cbveclen + 1)
- {
- float tempbuff2[CB_MEML + CB_FILTERLEN + 1];
- float *pos;
- const float *pp;
- const float *pp1;
-
- /* Non-interpolated vectors */
- memset(tempbuff2, 0, CB_HALFFILTERLEN*sizeof(float));
- memcpy(&tempbuff2[CB_HALFFILTERLEN], mem, lMem*sizeof(float));
- memset(&tempbuff2[lMem + CB_HALFFILTERLEN], 0, (CB_HALFFILTERLEN + 1)*sizeof(float));
-
- k = index - base_size + cbveclen;
- sFilt = lMem - k;
- memInd = sFilt + 1 - CB_HALFFILTERLEN;
-
- /* do filtering */
- pos = cbvec;
- memset(pos, 0, cbveclen*sizeof(float));
- for (n = 0; n < cbveclen; n++)
- {
- pp = &tempbuff2[memInd + n + CB_HALFFILTERLEN];
- pp1 = &cbfiltersTbl[CB_FILTERLEN - 1];
- for (j = 0; j < CB_FILTERLEN; j++)
- (*pos) += (*pp++)*(*pp1--);
- pos++;
- }
- }
- else
- {
- float tempbuff2[CB_MEML + CB_FILTERLEN + 1];
- float *pos;
- const float *pp;
- const float *pp1;
- int i;
-
- /* Interpolated vectors */
- memset(tempbuff2, 0, CB_HALFFILTERLEN*sizeof(float));
- memcpy(&tempbuff2[CB_HALFFILTERLEN], mem, lMem*sizeof(float));
- memset(&tempbuff2[lMem + CB_HALFFILTERLEN], 0, (CB_HALFFILTERLEN + 1)*sizeof(float));
-
- k = 2*(index-base_size - (lMem - cbveclen + 1)) + cbveclen;
- sFilt = lMem - k;
- memInd = sFilt + 1 - CB_HALFFILTERLEN;
-
- /* do filtering */
- pos = &tmpbuf[sFilt];
- memset(pos, 0, k*sizeof(float));
- for (i = 0; i < k; i++)
- {
- pp = &tempbuff2[memInd + i + CB_HALFFILTERLEN];
- pp1 = &cbfiltersTbl[CB_FILTERLEN - 1];
- for (j = 0; j < CB_FILTERLEN; j++)
- (*pos) += (*pp++)*(*pp1--);
- pos++;
- }
-
- ihigh = k/2;
- ilow = ihigh - 5;
-
- /* Copy first noninterpolated part */
- memcpy(cbvec, tmpbuf + lMem - k/2, ilow*sizeof(float));
-
- /* interpolation */
- alfa1 = 0.2f;
- alfa = 0.0f;
- for (j = ilow; j < ihigh; j++)
- {
- cbvec[j] = (1.0f - alfa)*tmpbuf[lMem - k/2 + j]+alfa*tmpbuf[lMem - k + j];
- alfa += alfa1;
- }
- /* Copy second noninterpolated part */
- memcpy(cbvec + ihigh, tmpbuf + lMem - k + ihigh, (cbveclen - ihigh)*sizeof(float));
- }
- }
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * getCBvec.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: getCBvec.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_GETCBVEC_H
-#define __iLBC_GETCBVEC_H
-
-void getCBvec(float *cbvec, /* (o) Constructed codebook vector */
- float *mem, /* (i) Codebook buffer */
- int index, /* (i) Codebook index */
- int lMem, /* (i) Length of codebook buffer */
- int cbveclen); /* (i) Codebook vector length */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * helpfun.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: helpfun.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-
-#include "ilbc.h"
-#include "constants.h"
-#include "helpfun.h"
-
-/*----------------------------------------------------------------*
- * calculation of auto correlation
- *----------------------------------------------------------------*/
-
-void autocorr(float *r, /* (o) autocorrelation vector */
- const float *x, /* (i) data vector */
- int N, /* (i) length of data vector */
- int order) /* largest lag for calculated autocorrelations */
-{
- int lag;
- int n;
- float sum;
-
- for (lag = 0; lag <= order; lag++)
- {
- sum = 0;
- for (n = 0; n < N - lag; n++)
- sum += x[n]*x[n + lag];
- r[lag] = sum;
- }
-}
-
-/*----------------------------------------------------------------*
- * window multiplication
- *---------------------------------------------------------------*/
-
-void window(float *z, /* (o) the windowed data */
- const float *x, /* (i) the original data vector */
- const float *y, /* (i) the window */
- int N) /* (i) length of all vectors */
-{
- int i;
-
- for (i = 0; i < N; i++)
- z[i] = x[i]*y[i];
-}
-
-/*----------------------------------------------------------------*
- * levinson-durbin solution for lpc coefficients
- *---------------------------------------------------------------*/
-
-void levdurb(float *a, /* (o) lpc coefficient vector starting with 1.0 */
- float *k, /* (o) reflection coefficients */
- float *r, /* (i) autocorrelation vector */
- int order) /* (i) order of lpc filter */
-{
- float sum;
- float alpha;
- int m;
- int m_h;
- int i;
-
- a[0] = 1.0f;
-
- if (r[0] < EPS)
- {
- /* if r[0] <= 0, set LPC coeff. to zero */
- for (i = 0; i < order; i++)
- {
- k[i] = 0;
- a[i+1] = 0;
- }
- }
- else
- {
- a[1] = k[0] = -r[1]/r[0];
- alpha = r[0] + r[1]*k[0];
- for (m = 1; m < order; m++)
- {
- sum = r[m + 1];
- for (i = 0; i < m; i++)
- sum += a[i + 1]*r[m - i];
- k[m] = -sum/alpha;
- alpha += k[m]*sum;
- m_h = (m + 1) >> 1;
- for (i = 0; i < m_h; i++)
- {
- sum = a[i + 1] + k[m]*a[m - i];
- a[m - i] += k[m]*a[i+1];
- a[i + 1] = sum;
- }
- a[m + 1] = k[m];
- }
- }
-}
-
-/*----------------------------------------------------------------*
- * interpolation between vectors
- *---------------------------------------------------------------*/
-
-void interpolate(float *out, /* (o) the interpolated vector */
- float *in1, /* (i) the first vector for the
- interpolation */
- float *in2, /* (i) the second vector for the
- interpolation */
- float coef, /* (i) interpolation weights */
- int length) /* (i) length of all vectors */
-{
- int i;
- float invcoef;
-
- invcoef = 1.0f - coef;
- for (i = 0; i < length; i++)
- out[i] = coef*in1[i] + invcoef*in2[i];
-}
-
-/*----------------------------------------------------------------*
- * lpc bandwidth expansion
- *---------------------------------------------------------------*/
-
-void bwexpand(float *out, /* (o) the bandwidth expanded lpc coefficients */
- float *in, /* (i) the lpc coefficients before bandwidth expansion */
- float coef, /* (i) the bandwidth expansion factor */
- int length) /* (i) the length of lpc coefficient vectors */
-{
- int i;
- float chirp;
-
- chirp = coef;
-
- out[0] = in[0];
- for (i = 1; i < length; i++)
- {
- out[i] = chirp*in[i];
- chirp *= coef;
- }
-}
-
-/*----------------------------------------------------------------*
- * vector quantization
- *---------------------------------------------------------------*/
-
-void vq(float *Xq, /* (o) the quantized vector */
- int *index, /* (o) the quantization index */
- const float *CB, /* (i) the vector quantization codebook */
- float *X, /* (i) the vector to quantize */
- int n_cb, /* (i) the number of vectors in the codebook */
- int dim) /* (i) the dimension of all vectors */
-{
- int i;
- int j;
- int pos;
- int minindex;
- float dist;
- float tmp;
- float mindist;
-
- pos = 0;
- mindist = FLOAT_MAX;
- minindex = 0;
- for (j = 0; j < n_cb; j++)
- {
- dist = X[0] - CB[pos];
- dist *= dist;
- for (i = 1; i < dim; i++)
- {
- tmp = X[i] - CB[pos + i];
- dist += tmp*tmp;
- }
-
- if (dist < mindist)
- {
- mindist = dist;
- minindex = j;
- }
- pos += dim;
- }
- for (i = 0; i < dim; i++)
- Xq[i] = CB[minindex*dim + i];
- *index = minindex;
-}
-
-/*----------------------------------------------------------------*
- * split vector quantization
- *---------------------------------------------------------------*/
-
-void SplitVQ(float *qX, /* (o) the quantized vector */
- int *index, /* (o) a vector of indexes for all vector
- codebooks in the split */
- float *X, /* (i) the vector to quantize */
- const float *CB, /* (i) the quantizer codebook */
- int nsplit, /* the number of vector splits */
- const int *dim, /* the dimension of X and qX */
- const int *cbsize) /* the number of vectors in the codebook */
-{
- int cb_pos;
- int X_pos;
- int i;
-
- cb_pos = 0;
- X_pos = 0;
- for (i = 0; i < nsplit; i++)
- {
- vq(qX + X_pos, index + i, CB + cb_pos, X + X_pos, cbsize[i], dim[i]);
- X_pos += dim[i];
- cb_pos += dim[i]*cbsize[i];
- }
-}
-
-/*----------------------------------------------------------------*
- * scalar quantization
- *---------------------------------------------------------------*/
-
-void sort_sq(float *xq, /* (o) the quantized value */
- int *index, /* (o) the quantization index */
- float x, /* (i) the value to quantize */
- const float *cb, /* (i) the quantization codebook */
- int cb_size) /* (i) the size of the quantization codebook */
-{
- int i;
-
- if (x <= cb[0])
- {
- *index = 0;
- *xq = cb[0];
- }
- else
- {
- i = 0;
- while ((x > cb[i]) && i < cb_size - 1)
- {
- i++;
- }
-
- if (x > ((cb[i] + cb[i - 1])/2))
- {
- *index = i;
- *xq = cb[i];
- }
- else
- {
- *index = i - 1;
- *xq = cb[i - 1];
- }
- }
-}
-
-/*----------------------------------------------------------------*
- * check for stability of lsf coefficients
- *---------------------------------------------------------------*/
-
-int LSF_check( /* (o) 1 for stable lsf vectors and 0 for nonstable ones */
- float *lsf, /* (i) a table of lsf vectors */
- int dim, /* (i) the dimension of each lsf vector */
- int NoAn) /* (i) the number of lsf vectors in the table */
-{
- int k;
- int n;
- int m;
- int Nit = 2;
- int change = 0;
- int pos;
- float tmp;
- static const float eps = 0.039f; /* 50 Hz */
- static const float eps2 = 0.0195f;
- static const float maxlsf = 3.14f; /* 4000 Hz */
- static const float minlsf = 0.01f; /* 0 Hz */
-
- /* LSF separation check*/
- for (n = 0; n < Nit; n++)
- {
- /* Run through a couple of times */
- for (m = 0; m < NoAn; m++)
- {
- /* Number of analyses per frame */
- for (k = 0; k < (dim - 1); k++)
- {
- pos = m*dim + k;
-
- if ((lsf[pos + 1] - lsf[pos]) < eps)
- {
- if (lsf[pos + 1] < lsf[pos])
- {
- tmp = lsf[pos + 1];
- lsf[pos + 1] = lsf[pos] + eps2;
- lsf[pos] = lsf[pos + 1] - eps2;
- }
- else
- {
- lsf[pos] -= eps2;
- lsf[pos+1] += eps2;
- }
- change = 1;
- }
-
- if (lsf[pos] < minlsf)
- {
- lsf[pos] = minlsf;
- change = 1;
- }
-
- if (lsf[pos] > maxlsf)
- {
- lsf[pos] = maxlsf;
- change = 1;
- }
- }
- }
- }
-
- return change;
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * helpfun.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: helpfun.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_HELPFUN_H
-#define __iLBC_HELPFUN_H
-
-void autocorr(float *r, /* (o) autocorrelation vector */
- const float *x, /* (i) data vector */
- int N, /* (i) length of data vector */
- int order); /* largest lag for calculated
- autocorrelations */
-
-void window(float *z, /* (o) the windowed data */
- const float *x, /* (i) the original data vector */
- const float *y, /* (i) the window */
- int N); /* (i) length of all vectors */
-
-void levdurb(float *a, /* (o) lpc coefficient vector starting with 1.0 */
- float *k, /* (o) reflection coefficients */
- float *r, /* (i) autocorrelation vector */
- int order); /* (i) order of lpc filter */
-
-void interpolate(float *out, /* (o) the interpolated vector */
- float *in1, /* (i) the first vector for the
- interpolation */
- float *in2, /* (i) the second vector for the
- interpolation */
- float coef, /* (i) interpolation weights */
- int length); /* (i) length of all vectors */
-
-void bwexpand(float *out, /* (o) the bandwidth expanded lpc coefficients */
- float *in, /* (i) the lpc coefficients before bandwidth
- expansion */
- float coef, /* (i) the bandwidth expansion factor */
- int length); /* (i) the length of lpc coefficient vectors */
-
-void vq(float *Xq, /* (o) the quantized vector */
- int *index, /* (o) the quantization index */
- const float *CB, /* (i) the vector quantization codebook */
- float *X, /* (i) the vector to quantize */
- int n_cb, /* (i) the number of vectors in the codebook */
- int dim); /* (i) the dimension of all vectors */
-
-void SplitVQ(float *qX, /* (o) the quantized vector */
- int *index, /* (o) a vector of indexes for all vector
- codebooks in the split */
- float *X, /* (i) the vector to quantize */
- const float *CB, /* (i) the quantizer codebook */
- int nsplit, /* the number of vector splits */
- const int *dim, /* the dimension of X and qX */
- const int *cbsize); /* the number of vectors in the codebook */
-
-void sort_sq(float *xq, /* (o) the quantized value */
- int *index, /* (o) the quantization index */
- float x, /* (i) the value to quantize */
- const float *cb, /* (i) the quantization codebook */
- int cb_size); /* (i) the size of the quantization codebook */
-
-int LSF_check( /* (o) 1 for stable lsf vectors and 0 for nonstable ones */
- float *lsf, /* (i) a table of lsf vectors */
- int dim, /* (i) the dimension of each lsf vector */
- int NoAn); /* (i) the number of lsf vectors in the table */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * hpInput.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: hpInput.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-
-#include "constants.h"
-#include "hpInput.h"
-
-/*----------------------------------------------------------------*
- * Input high-pass filter
- *---------------------------------------------------------------*/
-
-void hpInput(const float *In, /* (i) vector to filter */
- int len, /* (i) length of vector to filter */
- float *Out, /* (o) the resulting filtered vector */
- float *mem) /* (i/o) the filter state */
-{
- int i;
- const float *pi;
- float *po;
-
- /* all-zero section*/
- pi = &In[0];
- po = &Out[0];
- for (i = 0; i < len; i++)
- {
- *po = hpi_zero_coefsTbl[0]*(*pi);
- *po += hpi_zero_coefsTbl[1]*mem[0];
- *po += hpi_zero_coefsTbl[2]*mem[1];
-
- mem[1] = mem[0];
- mem[0] = *pi;
- po++;
- pi++;
- }
-
- /* all-pole section*/
- po = &Out[0];
- for (i = 0; i < len; i++)
- {
- *po -= hpi_pole_coefsTbl[1]*mem[2];
- *po -= hpi_pole_coefsTbl[2]*mem[3];
-
- mem[3] = mem[2];
- mem[2] = *po;
- po++;
- }
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * hpInput.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: hpInput.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_HPINPUT_H
-#define __iLBC_HPINPUT_H
-
-void hpInput(const float *In, /* (i) vector to filter */
- int len, /* (i) length of vector to filter */
- float *Out, /* (o) the resulting filtered vector */
- float *mem); /* (i/o) the filter state */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * hpOutput.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: hpOutput.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-
-#include "constants.h"
-#include "hpOutput.h"
-
-/*----------------------------------------------------------------*
- * Output high-pass filter
- *---------------------------------------------------------------*/
-
-void hpOutput(float *In, /* (i) vector to filter */
- int len, /* (i) length of vector to filter */
- float *Out, /* (o) the resulting filtered vector */
- float *mem) /* (i/o) the filter state */
-{
- int i;
- float *pi;
- float *po;
-
- /* all-zero section*/
- pi = &In[0];
- po = &Out[0];
- for (i = 0; i < len; i++)
- {
- *po = hpo_zero_coefsTbl[0]*(*pi);
- *po += hpo_zero_coefsTbl[1]*mem[0];
- *po += hpo_zero_coefsTbl[2]*mem[1];
-
- mem[1] = mem[0];
- mem[0] = *pi;
- po++;
- pi++;
- }
-
- /* all-pole section*/
- po = &Out[0];
- for (i = 0; i < len; i++)
- {
- *po -= hpo_pole_coefsTbl[1]*mem[2];
- *po -= hpo_pole_coefsTbl[2]*mem[3];
-
- mem[3] = mem[2];
- mem[2] = *po;
- po++;
- }
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * hpOutput.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: hpOutput.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_HPOUTPUT_H
-#define __iLBC_HPOUTPUT_H
-
-void hpOutput(float *In, /* (i) vector to filter */
- int len, /* (i) length of vector to filter */
- float *Out, /* (o) the resulting filtered vector */
- float *mem); /* (i/o) the filter state */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * iCBConstruct.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: iCBConstruct.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-
-#include "ilbc.h"
-#include "gainquant.h"
-#include "getCBvec.h"
-#include "iCBConstruct.h"
-
-/*----------------------------------------------------------------*
- * Convert the codebook indexes to make the search easier
- *---------------------------------------------------------------*/
-
-void index_conv_enc(int *index) /* (i/o) Codebook indexes */
-{
- int k;
-
- for (k = 1; k < CB_NSTAGES; k++)
- {
- if ((index[k] >= 108) && (index[k] < 172))
- {
- index[k] -= 64;
- }
- else if (index[k] >= 236)
- {
- index[k] -= 128;
- }
- else
- {
- /* ERROR */
- }
- }
-}
-
-void index_conv_dec(int *index) /* (i/o) Codebook indexes */
-{
- int k;
-
- for (k = 1; k < CB_NSTAGES; k++)
- {
- if ((index[k] >= 44) && (index[k] < 108))
- {
- index[k] += 64;
- }
- else if ((index[k] >= 108) && (index[k] < 128))
- {
- index[k] += 128;
- }
- else
- {
- /* ERROR */
- }
- }
-}
-
-/*----------------------------------------------------------------*
- * Construct decoded vector from codebook and gains.
- *---------------------------------------------------------------*/
-
-void iCBConstruct(float *decvector, /* (o) Decoded vector */
- int *index, /* (i) Codebook indices */
- int *gain_index, /* (i) Gain quantization indices */
- float *mem, /* (i) Buffer for codevector construction */
- int lMem, /* (i) Length of buffer */
- int veclen, /* (i) Length of vector */
- int nStages) /* (i) Number of codebook stages */
-{
- int j;
- int k;
- float gain[CB_NSTAGES];
- float cbvec[SUBL];
-
- /* Gain de-quantization */
- gain[0] = gaindequant(gain_index[0], 1.0, 32);
- if (nStages > 1)
- gain[1] = gaindequant(gain_index[1], fabsf(gain[0]), 16);
- if (nStages > 2)
- gain[2] = gaindequant(gain_index[2], fabsf(gain[1]), 8);
-
- /* Codebook vector construction and construction of total vector */
- getCBvec(cbvec, mem, index[0], lMem, veclen);
- for (j = 0; j < veclen; j++)
- decvector[j] = gain[0]*cbvec[j];
- if (nStages > 1)
- {
- for (k = 1; k < nStages; k++)
- {
- getCBvec(cbvec, mem, index[k], lMem, veclen);
- for (j = 0; j < veclen; j++)
- decvector[j] += gain[k]*cbvec[j];
- }
- }
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * iCBConstruct.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: iCBConstruct.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_ICBCONSTRUCT_H
-#define __iLBC_ICBCONSTRUCT_H
-
-void index_conv_enc(int *index); /* (i/o) Codebook indexes */
-
-void index_conv_dec(int *index); /* (i/o) Codebook indexes */
-
-void iCBConstruct(float *decvector, /* (o) Decoded vector */
- int *index, /* (i) Codebook indices */
- int *gain_index, /* (i) Gain quantization indices */
- float *mem, /* (i) Buffer for codevector construction */
- int lMem, /* (i) Length of buffer */
- int veclen, /* (i) Length of vector */
- int nStages); /* (i) Number of codebook stages */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * iCBSearch.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: iCBSearch.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "gainquant.h"
-#include "createCB.h"
-#include "filter.h"
-#include "constants.h"
-#include "iCBSearch.h"
-
-/*----------------------------------------------------------------*
- * Search routine for codebook encoding and gain quantization.
- *---------------------------------------------------------------*/
-
-void iCBSearch(ilbc_encode_state_t *iLBCenc_inst, /* (i) the encoder state structure */
- int *index, /* (o) Codebook indices */
- int *gain_index, /* (o) Gain quantization indices */
- float *intarget, /* (i) Target vector for encoding */
- float *mem, /* (i) Buffer for codebook construction */
- int lMem, /* (i) Length of buffer */
- int lTarget, /* (i) Length of vector */
- int nStages, /* (i) Number of codebook stages */
- float *weightDenum, /* (i) weighting filter coefficients */
- float *weightState, /* (i) weighting filter state */
- int block) /* (i) the sub-block number */
-{
- int i;
- int j;
- int icount;
- int stage;
- int best_index;
- int range;
- int counter;
- float max_measure;
- float gain;
- float measure;
- float crossDot;
- float ftmp;
- float gains[CB_NSTAGES];
- float target[SUBL];
- int base_index;
- int sInd;
- int eInd;
- int base_size;
- int sIndAug = 0;
- int eIndAug = 0;
- float buf[CB_MEML + SUBL + 2*ILBC_LPC_FILTERORDER];
- float invenergy[CB_EXPAND*128];
- float energy[CB_EXPAND*128];
- float *pp;
- float *ppi = 0;
- float *ppo = 0;
- float *ppe = 0;
- float cbvectors[CB_MEML];
- float tene;
- float cene;
- float cvec[SUBL];
- float aug_vec[SUBL];
-
- memset(cvec, 0, SUBL*sizeof(float));
-
- /* Determine size of codebook sections */
- base_size = lMem - lTarget + 1;
-
- if (lTarget == SUBL)
- base_size = lMem - lTarget + 1 + lTarget/2;
-
- /* setup buffer for weighting */
- memcpy(buf, weightState, sizeof(float)*ILBC_LPC_FILTERORDER);
- memcpy(buf + ILBC_LPC_FILTERORDER, mem, lMem*sizeof(float));
- memcpy(buf + ILBC_LPC_FILTERORDER + lMem, intarget, lTarget*sizeof(float));
-
- /* weighting */
- AllPoleFilter(buf + ILBC_LPC_FILTERORDER, weightDenum, lMem + lTarget, ILBC_LPC_FILTERORDER);
-
- /* Construct the codebook and target needed */
- memcpy(target, buf + ILBC_LPC_FILTERORDER + lMem, lTarget*sizeof(float));
-
- tene = 0.0f;
- for (i = 0; i < lTarget; i++)
- tene += target[i]*target[i];
-
- /* Prepare search over one more codebook section. This section
- is created by filtering the original buffer with a filter. */
-
- filteredCBvecs(cbvectors, buf + ILBC_LPC_FILTERORDER, lMem);
-
- /* The Main Loop over stages */
- for (stage = 0; stage < nStages; stage++)
- {
- range = search_rangeTbl[block][stage];
-
- /* initialize search measure */
- max_measure = -10000000.0f;
- gain = 0.0f;
- best_index = 0;
-
- /* Compute cross dot product between the target and the CB memory */
-
- crossDot = 0.0f;
- pp = buf + ILBC_LPC_FILTERORDER + lMem - lTarget;
- for (j = 0; j < lTarget; j++)
- {
- crossDot += target[j]*(*pp++);
- }
-
- if (stage == 0)
- {
- /* Calculate energy in the first block of 'lTarget' samples. */
- ppe = energy;
- ppi = buf + ILBC_LPC_FILTERORDER + lMem - lTarget - 1;
- ppo = buf + ILBC_LPC_FILTERORDER + lMem - 1;
-
- *ppe = 0.0f;
- pp = buf + ILBC_LPC_FILTERORDER + lMem - lTarget;
- for (j = 0; j < lTarget; j++, pp++)
- *ppe += (*pp)*(*pp);
-
- if (*ppe > 0.0)
- {
- invenergy[0] = 1.0f/(*ppe + EPS);
- }
- else
- {
- invenergy[0] = 0.0f;
- }
- ppe++;
-
- measure = -10000000.0f;
-
- if (crossDot > 0.0f)
- measure = crossDot*crossDot*invenergy[0];
- }
- else
- {
- measure = crossDot*crossDot*invenergy[0];
- }
-
- /* Check if measure is better */
- ftmp = crossDot*invenergy[0];
-
- if ((measure>max_measure) && (fabs(ftmp) < CB_MAXGAIN))
- {
- best_index = 0;
- max_measure = measure;
- gain = ftmp;
- }
-
- /* loop over the main first codebook section, full search */
- for (icount = 1; icount < range; icount++)
- {
- /* calculate measure */
- crossDot = 0.0f;
- pp = buf + ILBC_LPC_FILTERORDER + lMem - lTarget - icount;
-
- for (j = 0; j < lTarget; j++)
- crossDot += target[j]*(*pp++);
-
- if (stage == 0)
- {
- *ppe++ = energy[icount-1] + (*ppi)*(*ppi) - (*ppo)*(*ppo);
- ppo--;
- ppi--;
-
- if (energy[icount] > 0.0f)
- {
- invenergy[icount] = 1.0f/(energy[icount] + EPS);
- }
- else
- {
- invenergy[icount] = 0.0f;
- }
- measure = -10000000.0f;
-
- if (crossDot > 0.0f)
- measure = crossDot*crossDot*invenergy[icount];
- }
- else
- {
- measure = crossDot*crossDot*invenergy[icount];
- }
-
- /* check if measure is better */
- ftmp = crossDot*invenergy[icount];
-
- if ((measure > max_measure) && (fabs(ftmp) < CB_MAXGAIN))
- {
- best_index = icount;
- max_measure = measure;
- gain = ftmp;
- }
- }
-
- /* Loop over augmented part in the first codebook
- * section, full search.
- * The vectors are interpolated.
- */
- if (lTarget == SUBL)
- {
- /* Search for best possible cb vector and compute the CB-vectors' energy. */
- searchAugmentedCB(20, 39, stage, base_size - lTarget/2,
- target, buf + ILBC_LPC_FILTERORDER + lMem,
- &max_measure, &best_index, &gain, energy,
- invenergy);
- }
-
- /* set search range for following codebook sections */
- base_index = best_index;
-
- /* unrestricted search */
- if (CB_RESRANGE == -1)
- {
- sInd = 0;
- eInd = range - 1;
- sIndAug = 20;
- eIndAug = 39;
- }
- /* restricted search around best index from first codebook section */
- else
- {
- /* Initialize search indices */
- sIndAug = 0;
- eIndAug = 0;
- sInd = base_index - CB_RESRANGE/2;
- eInd = sInd + CB_RESRANGE;
-
- if (lTarget == SUBL)
- {
- if (sInd < 0)
- {
- sIndAug = 40 + sInd;
- eIndAug = 39;
- sInd=0;
- }
- else if (base_index < (base_size - 20))
- {
- if (eInd > range)
- {
- sInd -= (eInd-range);
- eInd = range;
- }
- }
- else
- {
- /* base_index >= (base_size-20) */
- if (sInd < (base_size - 20))
- {
- sIndAug = 20;
- sInd = 0;
- eInd = 0;
- eIndAug = 19 + CB_RESRANGE;
-
- if (eIndAug > 39)
- {
- eInd = eIndAug - 39;
- eIndAug = 39;
- }
- }
- else
- {
- sIndAug = 20 + sInd - (base_size - 20);
- eIndAug = 39;
- sInd = 0;
- eInd = CB_RESRANGE - (eIndAug - sIndAug + 1);
- }
- }
-
- }
- else
- {
- /* lTarget = 22 or 23 */
- if (sInd < 0)
- {
- eInd -= sInd;
- sInd = 0;
- }
-
- if (eInd > range)
- {
- sInd -= (eInd - range);
- eInd = range;
- }
- }
- }
-
- /* search of higher codebook section */
-
- /* index search range */
- counter = sInd;
- sInd += base_size;
- eInd += base_size;
-
-
- if (stage == 0)
- {
- ppe = energy+base_size;
- *ppe = 0.0f;
- pp = cbvectors + lMem - lTarget;
- for (j = 0; j < lTarget; j++, pp++)
- *ppe += (*pp)*(*pp);
-
- ppi = cbvectors + lMem - 1 - lTarget;
- ppo = cbvectors + lMem - 1;
-
- for (j = 0; j < (range - 1); j++)
- {
- *(ppe+1) = *ppe + (*ppi)*(*ppi) - (*ppo)*(*ppo);
- ppo--;
- ppi--;
- ppe++;
- }
- }
-
- /* loop over search range */
- for (icount = sInd; icount < eInd; icount++)
- {
- /* calculate measure */
- crossDot = 0.0f;
- pp = cbvectors + lMem - (counter++) - lTarget;
-
- for (j = 0; j < lTarget; j++)
- crossDot += target[j]*(*pp++);
-
- if (energy[icount] > 0.0f)
- invenergy[icount] = 1.0f/(energy[icount] + EPS);
- else
- invenergy[icount] = 0.0f;
-
- if (stage == 0)
- {
-
- measure = -10000000.0f;
-
- if (crossDot > 0.0f)
- measure = crossDot*crossDot*invenergy[icount];
- }
- else
- {
- measure = crossDot*crossDot*invenergy[icount];
- }
-
- /* check if measure is better */
- ftmp = crossDot*invenergy[icount];
-
- if ((measure > max_measure) && (fabs(ftmp) < CB_MAXGAIN))
- {
- best_index = icount;
- max_measure = measure;
- gain = ftmp;
- }
- }
-
- /* Search the augmented CB inside the limited range. */
- if ((lTarget == SUBL) && (sIndAug != 0))
- {
- searchAugmentedCB(sIndAug, eIndAug, stage,
- 2*base_size-20, target, cbvectors + lMem,
- &max_measure, &best_index, &gain, energy,
- invenergy);
- }
-
- /* record best index */
- index[stage] = best_index;
-
- /* gain quantization */
- if (stage == 0)
- {
- if (gain < 0.0f)
- gain = 0.0f;
-
- if (gain > CB_MAXGAIN)
- gain = (float) CB_MAXGAIN;
- gain = gainquant(gain, 1.0, 32, &gain_index[stage]);
- }
- else
- {
- if (stage == 1)
- gain = gainquant(gain, fabsf(gains[stage - 1]), 16, &gain_index[stage]);
- else
- gain = gainquant(gain, fabsf(gains[stage - 1]), 8, &gain_index[stage]);
- }
-
- /* Extract the best (according to measure) codebook vector */
- if (lTarget == (STATE_LEN - iLBCenc_inst->state_short_len))
- {
- if (index[stage] < base_size)
- pp = buf + ILBC_LPC_FILTERORDER + lMem - lTarget - index[stage];
- else
- pp = cbvectors + lMem - lTarget - index[stage] + base_size;
- }
- else
- {
- if (index[stage] < base_size)
- {
- if (index[stage] < (base_size - 20))
- {
- pp = buf + ILBC_LPC_FILTERORDER + lMem - lTarget - index[stage];
- }
- else
- {
- createAugmentedVec(index[stage] - base_size + 40,
- buf + ILBC_LPC_FILTERORDER + lMem,
- aug_vec);
- pp = aug_vec;
- }
- }
- else
- {
- int filterno, position;
-
- filterno = index[stage]/base_size;
- position = index[stage] - filterno*base_size;
- if (position < (base_size - 20))
- {
- pp = cbvectors + filterno*lMem - lTarget - index[stage] + filterno*base_size;
- }
- else
- {
- createAugmentedVec(index[stage] - (filterno + 1)*base_size + 40,
- cbvectors + filterno*lMem,
- aug_vec);
- pp = aug_vec;
- }
- }
- }
-
- /* Subtract the best codebook vector, according to measure, from the target vector */
- for (j = 0; j < lTarget; j++)
- {
- cvec[j] += gain*(*pp);
- target[j] -= gain*(*pp++);
- }
-
- /* record quantized gain */
- gains[stage] = gain;
- }
-
- /* Gain adjustment for energy matching */
- cene = 0.0f;
- for (i = 0; i < lTarget; i++)
- cene += cvec[i]*cvec[i];
- j = gain_index[0];
-
- for (i = gain_index[0]; i < 32; i++)
- {
- ftmp = cene*gain_sq5Tbl[i]*gain_sq5Tbl[i];
-
- if ((ftmp < (tene*gains[0]*gains[0])) && (gain_sq5Tbl[j] < (2.0*gains[0])))
- j = i;
- }
- gain_index[0] = j;
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * iCBSearch.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: iCBSearch.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_ICBSEARCH_H
-#define __iLBC_ICBSEARCH_H
-
-void iCBSearch(ilbc_encode_state_t *iLBCenc_inst, /* (i) the encoder state structure */
- int *index, /* (o) Codebook indices */
- int *gain_index, /* (o) Gain quantization indices */
- float *intarget, /* (i) Target vector for encoding */
- float *mem, /* (i) Buffer for codebook construction */
- int lMem, /* (i) Length of buffer */
- int lTarget, /* (i) Length of vector */
- int nStages, /* (i) Number of codebook stages */
- float *weightDenum, /* (i) weighting filter coefficients */
- float *weightState, /* (i) weighting filter state */
- int block); /* (i) the sub-block number */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * iLBC_decode.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: iLBC_decode.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <stdlib.h>
-
-#include "ilbc.h"
-#include "StateConstructW.h"
-#include "LPCdecode.h"
-#include "iCBConstruct.h"
-#include "doCPLC.h"
-#include "helpfun.h"
-#include "constants.h"
-#include "packing.h"
-#include "string.h"
-#include "enhancer.h"
-#include "hpOutput.h"
-#include "syntFilter.h"
-
-#if (defined(WIN32) || defined(_WIN32)) && (_MSC_VER < 1800)
-#if (defined(WIN32) || defined(_WIN32)) && !defined(_WIN64)
- __inline long int rint(double dbl)
- {
- _asm
- {
- fld dbl
- frndint
- fstp dbl
- }
- return (long int) dbl;
- }
-#elif defined (_WIN64)
-#include <intrin.h>
- __inline__ long int rint(double x)
- {
-#ifdef _M_X64
- return (long int)_mm_cvtsd_si64x( _mm_loadu_pd ((const double*)&x) );
-#else
-#warning "Not Supported: Replacing with a simple C cast."
- return (long int) (x);
-#endif
- }
-#endif
-#endif
-
-/*----------------------------------------------------------------*
- * frame residual decoder function (subrutine to iLBC_decode)
- *---------------------------------------------------------------*/
-
-static void Decode(ilbc_decode_state_t *iLBCdec_inst, /* (i/o) the decoder state structure */
- float *decresidual, /* (o) decoded residual frame */
- int start, /* (i) location of start state */
- int idxForMax, /* (i) codebook index for the maximum value */
- int *idxVec, /* (i) codebook indexes for the samples in the
- start state */
- float *syntdenum, /* (i) the decoded synthesis filter coefficients */
- int *cb_index, /* (i) the indexes for the adaptive codebook */
- int *gain_index, /* (i) the indexes for the corresponding gains */
- int *extra_cb_index, /* (i) the indexes for the adaptive codebook part
- of start state */
- int *extra_gain_index, /* (i) the indexes for the corresponding gains */
- int state_first) /* (i) 1 if non adaptive part of start state comes
- first. 0 if that part comes last */
-{
- float reverseDecresidual[ILBC_BLOCK_LEN_MAX];
- float mem[CB_MEML];
- int k;
- int meml_gotten;
- int Nfor;
- int Nback;
- int i;
- int diff;
- int start_pos;
- int subcount;
- int subframe;
-
- diff = STATE_LEN - iLBCdec_inst->state_short_len;
-
- if (state_first == 1)
- start_pos = (start - 1)*SUBL;
- else
- start_pos = (start - 1)*SUBL + diff;
-
- /* decode scalar part of start state */
- StateConstructW(idxForMax,
- idxVec,
- &syntdenum[(start - 1)*(ILBC_LPC_FILTERORDER + 1)],
- &decresidual[start_pos],
- iLBCdec_inst->state_short_len);
-
- if (state_first)
- {
- /* put adaptive part in the end */
-
- /* setup memory */
- memset(mem, 0, (CB_MEML - iLBCdec_inst->state_short_len)*sizeof(float));
- memcpy(&mem[CB_MEML - iLBCdec_inst->state_short_len],
- decresidual + start_pos,
- iLBCdec_inst->state_short_len*sizeof(float));
-
- /* construct decoded vector */
- iCBConstruct(&decresidual[start_pos+iLBCdec_inst->state_short_len],
- extra_cb_index, extra_gain_index, mem+CB_MEML-stMemLTbl,
- stMemLTbl,
- diff,
- CB_NSTAGES);
- }
- else
- {
- /* Put adaptive part in the beginning */
-
- /* Create reversed vectors for prediction */
- for (k = 0; k < diff; k++)
- {
- reverseDecresidual[k] =
- decresidual[(start + 1)*SUBL - 1 - (k + iLBCdec_inst->state_short_len)];
- }
-
- /* Setup memory */
-
- meml_gotten = iLBCdec_inst->state_short_len;
- for (k = 0; k < meml_gotten; k++)
- mem[CB_MEML - 1 - k] = decresidual[start_pos + k];
- memset(mem, 0, (CB_MEML - k)*sizeof(float));
-
- /* Construct decoded vector */
- iCBConstruct(reverseDecresidual, extra_cb_index,
- extra_gain_index,
- mem + CB_MEML - stMemLTbl,
- stMemLTbl,
- diff,
- CB_NSTAGES);
-
- /* Get decoded residual from reversed vector */
- for (k = 0; k < diff; k++)
- decresidual[start_pos - 1 - k] = reverseDecresidual[k];
- }
-
- /* Counter for predicted sub-frames */
- subcount = 0;
-
- /* Forward prediction of sub-frames */
- Nfor = iLBCdec_inst->nsub-start - 1;
-
- if (Nfor > 0)
- {
- /* Setup memory */
- memset(mem, 0, (CB_MEML - STATE_LEN)*sizeof(float));
- memcpy(&mem[CB_MEML - STATE_LEN], decresidual + (start - 1)*SUBL, STATE_LEN*sizeof(float));
-
- /* Loop over sub-frames to encode */
- for (subframe = 0; subframe < Nfor; subframe++)
- {
- /* Construct decoded vector */
- iCBConstruct(&decresidual[(start + 1 + subframe)*SUBL],
- cb_index+subcount*CB_NSTAGES,
- gain_index+subcount*CB_NSTAGES,
- mem + CB_MEML - memLfTbl[subcount],
- memLfTbl[subcount],
- SUBL,
- CB_NSTAGES);
-
- /* Update memory */
- memmove(mem, &mem[SUBL], (CB_MEML - SUBL)*sizeof(float));
- memmove(&mem[CB_MEML - SUBL],
- &decresidual[(start + 1 + subframe)*SUBL],
- SUBL*sizeof(float));
-
- subcount++;
- }
- }
-
- /* Backward prediction of sub-frames */
- Nback = start - 1;
-
- if (Nback > 0)
- {
- /* Setup memory */
- meml_gotten = SUBL*(iLBCdec_inst->nsub + 1 - start);
-
- if (meml_gotten > CB_MEML)
- meml_gotten = CB_MEML;
- for (k = 0; k < meml_gotten; k++)
- mem[CB_MEML - 1 - k] = decresidual[(start - 1)*SUBL + k];
- memset(mem, 0, (CB_MEML - k)*sizeof(float));
-
- /* Loop over subframes to decode */
- for (subframe = 0; subframe < Nback; subframe++)
- {
- /* Construct decoded vector */
- iCBConstruct(&reverseDecresidual[subframe*SUBL],
- cb_index + subcount*CB_NSTAGES,
- gain_index + subcount*CB_NSTAGES,
- mem + CB_MEML - memLfTbl[subcount],
- memLfTbl[subcount],
- SUBL,
- CB_NSTAGES);
-
- /* Update memory */
- memmove(mem, &mem[SUBL], (CB_MEML - SUBL)*sizeof(float));
- memmove(&mem[CB_MEML - SUBL],
- &reverseDecresidual[subframe*SUBL],
- SUBL*sizeof(float));
-
- subcount++;
- }
-
- /* Get decoded residual from reversed vector */
- for (i = 0; i < SUBL*Nback; i++)
- decresidual[SUBL*Nback - i - 1] = reverseDecresidual[i];
- }
-}
-
-/*----------------------------------------------------------------*
- * main decoder function
- *---------------------------------------------------------------*/
-
-static void ilbc_decode_frame(ilbc_decode_state_t *iLBCdec_inst, /* (i/o) the decoder state structure */
- float decblock[], /* (o) decoded signal block */
- const uint8_t bytes[], /* (i) encoded signal bits */
- int mode) /* (i) 0: bad packet, PLC, 1: normal */
-{
- float data[ILBC_BLOCK_LEN_MAX];
- float lsfdeq[ILBC_LPC_FILTERORDER*LPC_N_MAX];
- float PLCresidual[ILBC_BLOCK_LEN_MAX];
- float PLClpc[ILBC_LPC_FILTERORDER + 1];
- float zeros[ILBC_BLOCK_LEN_MAX];
- float one[ILBC_LPC_FILTERORDER + 1];
- int k;
- int i;
- int start;
- int idxForMax;
- int pos;
- int lastpart;
- int ulp;
- int lag;
- int ilag;
- float cc;
- float maxcc;
- int idxVec[STATE_LEN];
- int gain_index[NASUB_MAX*CB_NSTAGES];
- int extra_gain_index[CB_NSTAGES];
- int cb_index[CB_NSTAGES*NASUB_MAX];
- int extra_cb_index[CB_NSTAGES];
- int lsf_i[LSF_NSPLIT*LPC_N_MAX];
- int state_first;
- int last_bit;
- const uint8_t *pbytes;
- float weightdenum[(ILBC_LPC_FILTERORDER + 1)*ILBC_NUM_SUB_MAX];
- int order_plus_one;
- float syntdenum[ILBC_NUM_SUB_MAX*(ILBC_LPC_FILTERORDER + 1)];
- float decresidual[ILBC_BLOCK_LEN_MAX];
-
- if (mode > 0)
- {
- /* The data is good. decode it. */
- pbytes = bytes;
- pos = 0;
-
- /* Set everything to zero before decoding */
- for (k = 0; k < LSF_NSPLIT*LPC_N_MAX; k++)
- lsf_i[k] = 0;
- start = 0;
- state_first = 0;
- idxForMax = 0;
- for (k = 0; k < iLBCdec_inst->state_short_len; k++)
- idxVec[k] = 0;
- for (k = 0; k < CB_NSTAGES; k++)
- {
- extra_cb_index[k] = 0;
- extra_gain_index[k] = 0;
- }
- for (i = 0; i < iLBCdec_inst->nasub; i++)
- {
- for (k = 0; k < CB_NSTAGES; k++)
- {
- cb_index[i*CB_NSTAGES + k] = 0;
- gain_index[i*CB_NSTAGES + k] = 0;
- }
- }
-
- /* Loop over ULP classes */
- for (ulp = 0; ulp < 3; ulp++)
- {
- /* LSF */
- for (k = 0; k < LSF_NSPLIT*iLBCdec_inst->lpc_n; k++)
- {
- unpack(&pbytes, &lastpart, iLBCdec_inst->ULP_inst->lsf_bits[k][ulp], &pos);
- packcombine(&lsf_i[k], lastpart, iLBCdec_inst->ULP_inst->lsf_bits[k][ulp]);
- }
-
- /* Start block info */
- unpack(&pbytes, &lastpart, iLBCdec_inst->ULP_inst->start_bits[ulp], &pos);
- packcombine(&start, lastpart, iLBCdec_inst->ULP_inst->start_bits[ulp]);
-
- unpack(&pbytes, &lastpart, iLBCdec_inst->ULP_inst->startfirst_bits[ulp], &pos);
- packcombine(&state_first, lastpart, iLBCdec_inst->ULP_inst->startfirst_bits[ulp]);
-
- unpack(&pbytes, &lastpart, iLBCdec_inst->ULP_inst->scale_bits[ulp], &pos);
- packcombine(&idxForMax, lastpart, iLBCdec_inst->ULP_inst->scale_bits[ulp]);
-
- for (k = 0; k < iLBCdec_inst->state_short_len; k++)
- {
- unpack(&pbytes, &lastpart, iLBCdec_inst->ULP_inst->state_bits[ulp], &pos);
- packcombine(idxVec + k, lastpart, iLBCdec_inst->ULP_inst->state_bits[ulp]);
- }
-
- /* 23/22 (20ms/30ms) sample block */
- for (k = 0; k < CB_NSTAGES; k++)
- {
- unpack(&pbytes, &lastpart, iLBCdec_inst->ULP_inst->extra_cb_index[k][ulp], &pos);
- packcombine(extra_cb_index + k, lastpart, iLBCdec_inst->ULP_inst->extra_cb_index[k][ulp]);
- }
- for (k = 0; k < CB_NSTAGES; k++)
- {
- unpack(&pbytes, &lastpart, iLBCdec_inst->ULP_inst->extra_cb_gain[k][ulp], &pos);
- packcombine(extra_gain_index + k, lastpart, iLBCdec_inst->ULP_inst->extra_cb_gain[k][ulp]);
- }
-
- /* The two/four (20ms/30ms) 40 sample sub-blocks */
- for (i = 0; i < iLBCdec_inst->nasub; i++)
- {
- for (k = 0; k < CB_NSTAGES; k++)
- {
- unpack(&pbytes, &lastpart, iLBCdec_inst->ULP_inst->cb_index[i][k][ulp], &pos);
- packcombine(cb_index + i*CB_NSTAGES + k, lastpart, iLBCdec_inst->ULP_inst->cb_index[i][k][ulp]);
- }
- }
- for (i = 0; i < iLBCdec_inst->nasub; i++)
- {
- for (k = 0; k < CB_NSTAGES; k++)
- {
- unpack(&pbytes, &lastpart, iLBCdec_inst->ULP_inst->cb_gain[i][k][ulp], &pos);
- packcombine(gain_index + i*CB_NSTAGES + k, lastpart, iLBCdec_inst->ULP_inst->cb_gain[i][k][ulp]);
- }
- }
- }
- /* Extract last bit. If it is 1 this indicates an empty/lost frame */
- unpack(&pbytes, &last_bit, 1, &pos);
-
- /* Check for bit errors or empty/lost frames */
- if (start < 1)
- mode = 0;
- if (iLBCdec_inst->mode == 20 && start > 3)
- mode = 0;
- if (iLBCdec_inst->mode == 30 && start > 5)
- mode = 0;
- if (last_bit == 1)
- mode = 0;
-
- if (mode == 1)
- {
- /* No bit errors was detected, continue decoding */
-
- /* Adjust index */
- index_conv_dec(cb_index);
-
- /* Decode the LSF */
- SimplelsfDEQ(lsfdeq, lsf_i, iLBCdec_inst->lpc_n);
- LSF_check(lsfdeq, ILBC_LPC_FILTERORDER, iLBCdec_inst->lpc_n);
- DecoderInterpolateLSF(syntdenum, weightdenum, lsfdeq, ILBC_LPC_FILTERORDER, iLBCdec_inst);
-
- Decode(iLBCdec_inst,
- decresidual,
- start,
- idxForMax,
- idxVec,
- syntdenum,
- cb_index,
- gain_index,
- extra_cb_index,
- extra_gain_index,
- state_first);
-
- /* Preparing the plc for a future loss! */
- doThePLC(PLCresidual,
- PLClpc,
- 0,
- decresidual,
- syntdenum + (ILBC_LPC_FILTERORDER + 1)*(iLBCdec_inst->nsub - 1),
- (*iLBCdec_inst).last_lag,
- iLBCdec_inst);
-
- memcpy(decresidual, PLCresidual, iLBCdec_inst->blockl*sizeof(float));
- }
- }
-
- if (mode == 0)
- {
- /* The data is bad (either a PLC call
- * was made or a severe bit error was detected)
- */
-
- /* Apply packet loss concealmeant */
- memset(zeros, 0, ILBC_BLOCK_LEN_MAX*sizeof(float));
-
- one[0] = 1;
- memset(one + 1, 0, ILBC_LPC_FILTERORDER*sizeof(float));
-
- start = 0;
-
- doThePLC(PLCresidual, PLClpc, 1, zeros, one, (*iLBCdec_inst).last_lag, iLBCdec_inst);
- memcpy(decresidual, PLCresidual, iLBCdec_inst->blockl*sizeof(float));
-
- order_plus_one = ILBC_LPC_FILTERORDER + 1;
- for (i = 0; i < iLBCdec_inst->nsub; i++)
- memcpy(&syntdenum[i*order_plus_one], PLClpc, order_plus_one*sizeof(float));
- }
-
- if (iLBCdec_inst->use_enhancer == 1)
- {
- /* Post filtering */
- iLBCdec_inst->last_lag = enhancerInterface(data, decresidual, iLBCdec_inst);
-
- /* Synthesis filtering */
- if (iLBCdec_inst->mode == 20)
- {
- /* Enhancer has 40 samples delay */
- i = 0;
- syntFilter(data + i*SUBL,
- iLBCdec_inst->old_syntdenum + (i + iLBCdec_inst->nsub - 1)*(ILBC_LPC_FILTERORDER + 1),
- SUBL,
- iLBCdec_inst->syntMem);
-
- for (i = 1; i < iLBCdec_inst->nsub; i++)
- {
- syntFilter(data + i*SUBL,
- syntdenum + (i - 1)*(ILBC_LPC_FILTERORDER + 1),
- SUBL,
- iLBCdec_inst->syntMem);
- }
- }
- else if (iLBCdec_inst->mode == 30)
- {
- /* Enhancer has 80 samples delay */
- for (i = 0; i < 2; i++)
- {
- syntFilter(data + i*SUBL,
- iLBCdec_inst->old_syntdenum + (i + iLBCdec_inst->nsub - 2)*(ILBC_LPC_FILTERORDER+1),
- SUBL,
- iLBCdec_inst->syntMem);
- }
- for (i = 2; i < iLBCdec_inst->nsub; i++)
- {
- syntFilter(data + i*SUBL,
- syntdenum + (i - 2)*(ILBC_LPC_FILTERORDER + 1),
- SUBL,
- iLBCdec_inst->syntMem);
- }
- }
- }
- else
- {
- /* Find last lag */
- lag = 20;
- maxcc = xCorrCoef(&decresidual[ILBC_BLOCK_LEN_MAX - ENH_BLOCKL],
- &decresidual[ILBC_BLOCK_LEN_MAX - ENH_BLOCKL - lag],
- ENH_BLOCKL);
-
- for (ilag = 21; ilag < 120; ilag++)
- {
- cc = xCorrCoef(&decresidual[ILBC_BLOCK_LEN_MAX - ENH_BLOCKL],
- &decresidual[ILBC_BLOCK_LEN_MAX - ENH_BLOCKL - ilag],
- ENH_BLOCKL);
- if (cc > maxcc)
- {
- maxcc = cc;
- lag = ilag;
- }
- }
- iLBCdec_inst->last_lag = lag;
-
- /* Copy data and run synthesis filter */
- memcpy(data, decresidual, iLBCdec_inst->blockl*sizeof(float));
- for (i = 0; i < iLBCdec_inst->nsub; i++)
- {
- syntFilter(data + i*SUBL,
- syntdenum + i*(ILBC_LPC_FILTERORDER + 1),
- SUBL,
- iLBCdec_inst->syntMem);
- }
- }
-
- /* High pass filtering on output if desired, otherwise copy to out */
- hpOutput(data, iLBCdec_inst->blockl, decblock, iLBCdec_inst->hpomem);
-
- /* memcpy(decblock, data, iLBCdec_inst->blockl*sizeof(float));*/
- memcpy(iLBCdec_inst->old_syntdenum,
- syntdenum,
- iLBCdec_inst->nsub*(ILBC_LPC_FILTERORDER + 1)*sizeof(float));
-
- iLBCdec_inst->prev_enh_pl = 0;
-
- if (mode == 0)
- {
- /* PLC was used */
- iLBCdec_inst->prev_enh_pl = 1;
- }
-}
-
-int ilbc_decode(ilbc_decode_state_t *s, /* (i/o) the decoder state structure */
- int16_t amp[], /* (o) decoded signal block */
- const uint8_t bytes[], /* (i) encoded signal bits */
- int len)
-{
- int i;
- int j;
- int k;
- float decblock[ILBC_BLOCK_LEN_MAX];
- float dtmp;
-
- for (i = 0, j = 0; j < len; i += s->blockl, j += s->no_of_bytes)
- {
- ilbc_decode_frame(s, decblock, bytes + j, 1);
- /* Convert to int16_t */
- for (k = 0; k < s->blockl; k++)
- {
- dtmp = decblock[k];
-
- if (dtmp < MIN_SAMPLE)
- dtmp = MIN_SAMPLE;
- else if (dtmp > MAX_SAMPLE)
- dtmp = MAX_SAMPLE;
- amp[i + k] = (int16_t) rint(dtmp);
- }
- }
- return i;
-}
-
-int ilbc_fillin(ilbc_decode_state_t *s, /* (i/o) the decoder state structure */
- int16_t amp[], /* (o) decoded signal block */
- int len)
-{
- int i;
- int j;
- int k;
- float decblock[ILBC_BLOCK_LEN_MAX];
- float dtmp;
-
- for (i = 0, j = 0; j < len; i += s->blockl, j += s->no_of_bytes)
- {
- ilbc_decode_frame(s, decblock, NULL, 0);
- /* Convert to int16_t */
- for (k = 0; k < s->blockl; k++)
- {
- dtmp = decblock[k];
-
- if (dtmp < MIN_SAMPLE)
- dtmp = MIN_SAMPLE;
- else if (dtmp > MAX_SAMPLE)
- dtmp = MAX_SAMPLE;
- amp[i + k] = (int16_t) rint(dtmp);
- }
- }
- return i;
-}
-
-ilbc_decode_state_t *ilbc_decode_init(ilbc_decode_state_t *iLBCdec_inst, /* (i/o) Decoder instance */
- int mode, /* (i) frame size mode */
- int use_enhancer) /* (i) 1 to use enhancer
- 0 to run without enhancer */
-{
- int i;
-
- iLBCdec_inst->mode = mode;
-
- if (mode == 30)
- {
- iLBCdec_inst->blockl = ILBC_BLOCK_LEN_30MS;
- iLBCdec_inst->nsub = NSUB_30MS;
- iLBCdec_inst->nasub = NASUB_30MS;
- iLBCdec_inst->lpc_n = LPC_N_30MS;
- iLBCdec_inst->no_of_bytes = ILBC_NO_OF_BYTES_30MS;
- iLBCdec_inst->state_short_len = STATE_SHORT_LEN_30MS;
- /* ULP init */
- iLBCdec_inst->ULP_inst = &ULP_30msTbl;
- }
- else if (mode == 20)
- {
- iLBCdec_inst->blockl = ILBC_BLOCK_LEN_20MS;
- iLBCdec_inst->nsub = NSUB_20MS;
- iLBCdec_inst->nasub = NASUB_20MS;
- iLBCdec_inst->lpc_n = LPC_N_20MS;
- iLBCdec_inst->no_of_bytes = ILBC_NO_OF_BYTES_20MS;
- iLBCdec_inst->state_short_len = STATE_SHORT_LEN_20MS;
- /* ULP init */
- iLBCdec_inst->ULP_inst = &ULP_20msTbl;
- }
- else
- {
- return NULL;
- }
-
- memset(iLBCdec_inst->syntMem, 0, ILBC_LPC_FILTERORDER*sizeof(float));
- memcpy((*iLBCdec_inst).lsfdeqold, lsfmeanTbl, ILBC_LPC_FILTERORDER*sizeof(float));
-
- memset(iLBCdec_inst->old_syntdenum,
- 0,
- ((ILBC_LPC_FILTERORDER + 1)*ILBC_NUM_SUB_MAX)*sizeof(float));
- for (i = 0; i < ILBC_NUM_SUB_MAX; i++)
- iLBCdec_inst->old_syntdenum[i*(ILBC_LPC_FILTERORDER + 1)] = 1.0f;
-
- iLBCdec_inst->last_lag = 20;
-
- iLBCdec_inst->prevLag = 120;
- iLBCdec_inst->per = 0.0;
- iLBCdec_inst->consPLICount = 0;
- iLBCdec_inst->prevPLI = 0;
- iLBCdec_inst->prevLpc[0] = 1.0f;
- memset(iLBCdec_inst->prevLpc + 1, 0, ILBC_LPC_FILTERORDER*sizeof(float));
- memset(iLBCdec_inst->prevResidual, 0, ILBC_BLOCK_LEN_MAX*sizeof(float));
- iLBCdec_inst->seed = 777;
- memset(iLBCdec_inst->hpomem, 0, 4*sizeof(float));
-
- iLBCdec_inst->use_enhancer = use_enhancer;
- memset(iLBCdec_inst->enh_buf, 0, ENH_BUFL*sizeof(float));
- for (i = 0; i < ENH_NBLOCKS_TOT; i++)
- iLBCdec_inst->enh_period[i] = 40.0f;
-
- iLBCdec_inst->prev_enh_pl = 0;
-
- return iLBCdec_inst;
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * iLBC_define.h - The head guy amongst the headers
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: iLBC_define.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#if !defined(_ILBC_DEFINE_H_)
-#define _ILBC_DEFINE_H_
-
-#include <string.h>
-
-#define FS 8000.0f
-#define NSUB_20MS 4
-#define NSUB_30MS 6
-#define NASUB_20MS 2
-
-
-#define NASUB_30MS 4
-#define NASUB_MAX 4
-#define SUBL 40
-#define STATE_LEN 80
-#define STATE_SHORT_LEN_30MS 58
-#define STATE_SHORT_LEN_20MS 57
-
-/* LPC settings */
-
-#define ILBC_LPC_FILTERORDER 10
-#define LPC_CHIRP_SYNTDENUM 0.9025f
-#define LPC_CHIRP_WEIGHTDENUM 0.4222f
-#define LPC_LOOKBACK 60
-#define LPC_N_20MS 1
-#define LPC_N_30MS 2
-#define LPC_N_MAX 2
-#define LPC_ASYMDIFF 20
-#define LPC_BW 60.0f
-#define LPC_WN 1.0001f
-#define LSF_NSPLIT 3
-#define LSF_NUMBER_OF_STEPS 4
-#define LPC_HALFORDER (ILBC_LPC_FILTERORDER/2)
-
-/* cb settings */
-
-#define CB_NSTAGES 3
-#define CB_EXPAND 2
-#define CB_MEML 147
-#define CB_FILTERLEN 2*4
-#define CB_HALFFILTERLEN 4
-#define CB_RESRANGE 34
-#define CB_MAXGAIN 1.3f
-
-/* enhancer */
-
-#define ENH_BLOCKL 80 /* block length */
-#define ENH_BLOCKL_HALF (ENH_BLOCKL/2)
-#define ENH_HL 3 /* 2*ENH_HL+1 is number blocks in said second sequence */
-#define ENH_SLOP 2 /* max difference estimated and correct pitch period */
-#define ENH_PLOCSL 20 /* pitch-estimates and pitch-locations buffer length */
-#define ENH_OVERHANG 2
-#define ENH_UPS0 4 /* upsampling rate */
-#define ENH_FL0 3 /* 2*FLO+1 is the length of each filter */
-#define ENH_VECTL (ENH_BLOCKL + 2*ENH_FL0)
-
-#define ENH_CORRDIM (2*ENH_SLOP + 1)
-#define ENH_NBLOCKS (ILBC_BLOCK_LEN_MAX/ENH_BLOCKL)
-#define ENH_NBLOCKS_EXTRA 5
-#define ENH_NBLOCKS_TOT 8 /* ENH_NBLOCKS + ENH_NBLOCKS_EXTRA */
-#define ENH_BUFL (ENH_NBLOCKS_TOT*ENH_BLOCKL)
-#define ENH_ALPHA0 0.05f
-
-/* Down sampling */
-
-#define FILTERORDER_DS 7
-#define DELAY_DS 3
-#define FACTOR_DS 2
-
-/* bit stream defs */
-
-#define STATE_BITS 3
-#define BYTE_LEN 8
-
-/* help parameters */
-
-#define FLOAT_MAX 1.0e37f
-#define EPS 2.220446049250313e-016f
-#define PI 3.14159265358979323846f
-#define MIN_SAMPLE -32768
-#define MAX_SAMPLE 32767
-#define TWO_PI 6.283185307f
-#define PI2 0.159154943f
-
-#endif
-/*- End of file ------------------------------------------------------------*/
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * iLBC_encode.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: iLBC_encode.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "LPCencode.h"
-#include "FrameClassify.h"
-#include "StateSearchW.h"
-#include "StateConstructW.h"
-#include "helpfun.h"
-#include "constants.h"
-#include "packing.h"
-#include "iCBSearch.h"
-#include "iCBConstruct.h"
-#include "hpInput.h"
-#include "anaFilter.h"
-#include "syntFilter.h"
-
-/*----------------------------------------------------------------*
- * Initiation of encoder instance.
- *---------------------------------------------------------------*/
-
-/*----------------------------------------------------------------*
- * main encoder function
- *---------------------------------------------------------------*/
-
-static int ilbc_encode_frame(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) the general encoder state */
- uint8_t bytes[], /* (o) encoded data bits iLBC */
- const float block[]) /* (o) speech vector to encode */
-{
- float data[ILBC_BLOCK_LEN_MAX];
- float residual[ILBC_BLOCK_LEN_MAX];
- float reverseResidual[ILBC_BLOCK_LEN_MAX];
- int start;
- int idxForMax;
- int idxVec[STATE_LEN];
- float reverseDecresidual[ILBC_BLOCK_LEN_MAX];
- float mem[CB_MEML];
- int n;
- int k;
- int meml_gotten;
- int Nfor;
- int Nback;
- int i;
- int pos;
- int gain_index[CB_NSTAGES*NASUB_MAX],
- extra_gain_index[CB_NSTAGES];
- int cb_index[CB_NSTAGES*NASUB_MAX];
- int extra_cb_index[CB_NSTAGES];
- int lsf_i[LSF_NSPLIT*LPC_N_MAX];
- uint8_t *pbytes;
- int diff;
- int start_pos;
- int state_first;
- float en1;
- int en2;
- int index;
- int ulp;
- int firstpart;
- int subcount;
- int subframe;
- float weightState[ILBC_LPC_FILTERORDER];
- float syntdenum[ILBC_NUM_SUB_MAX*(ILBC_LPC_FILTERORDER + 1)];
- float weightdenum[ILBC_NUM_SUB_MAX*(ILBC_LPC_FILTERORDER + 1)];
- float decresidual[ILBC_BLOCK_LEN_MAX];
-
- /* High pass filtering of input signal if such is not done
- prior to calling this function */
- hpInput(block, iLBCenc_inst->blockl, data, (*iLBCenc_inst).hpimem);
-
- /* Otherwise simply copy */
- /*memcpy(data, block, iLBCenc_inst->blockl*sizeof(float));*/
-
- /* LPC of hp filtered input data */
- LPCencode(syntdenum, weightdenum, lsf_i, data, iLBCenc_inst);
-
-
- /* Inverse filter to get residual */
- for (n = 0; n < iLBCenc_inst->nsub; n++)
- anaFilter(&data[n*SUBL], &syntdenum[n*(ILBC_LPC_FILTERORDER + 1)], SUBL, &residual[n*SUBL], iLBCenc_inst->anaMem);
-
- /* Find state location */
- start = FrameClassify(iLBCenc_inst, residual);
-
- /* Check if state should be in first or last part of the two subframes */
- diff = STATE_LEN - iLBCenc_inst->state_short_len;
- en1 = 0;
- index = (start - 1)*SUBL;
-
- for (i = 0; i < iLBCenc_inst->state_short_len; i++)
- en1 += residual[index + i]*residual[index + i];
- en2 = 0;
- index = (start - 1)*SUBL+diff;
- for (i = 0; i < iLBCenc_inst->state_short_len; i++)
- en2 = (int)(en2 + residual[index + i]*residual[index + i]);
-
- if (en1 > en2)
- {
- state_first = 1;
- start_pos = (start - 1)*SUBL;
- }
- else
- {
- state_first = 0;
- start_pos = (start - 1)*SUBL + diff;
- }
-
- /* Scalar quantization of state */
- StateSearchW(iLBCenc_inst,
- &residual[start_pos],
- &syntdenum[(start - 1)*(ILBC_LPC_FILTERORDER + 1)],
- &weightdenum[(start - 1)*(ILBC_LPC_FILTERORDER + 1)],
- &idxForMax,
- idxVec,
- iLBCenc_inst->state_short_len,
- state_first);
-
- StateConstructW(idxForMax,
- idxVec,
- &syntdenum[(start - 1)*(ILBC_LPC_FILTERORDER + 1)],
- &decresidual[start_pos],
- iLBCenc_inst->state_short_len);
-
- /* predictive quantization in state */
- if (state_first)
- {
- /* Put adaptive part in the end */
-
- /* Setup memory */
-
- memset(mem, 0, (CB_MEML - iLBCenc_inst->state_short_len)*sizeof(float));
- memcpy(&mem[CB_MEML - iLBCenc_inst->state_short_len], &decresidual[start_pos], iLBCenc_inst->state_short_len*sizeof(float));
- memset(weightState, 0, ILBC_LPC_FILTERORDER*sizeof(float));
-
- /* Encode sub-frames */
- iCBSearch(iLBCenc_inst,
- extra_cb_index,
- extra_gain_index,
- &residual[start_pos + iLBCenc_inst->state_short_len],
- mem + CB_MEML - stMemLTbl,
- stMemLTbl,
- diff,
- CB_NSTAGES,
- &weightdenum[start*(ILBC_LPC_FILTERORDER + 1)],
- weightState,
- 0);
-
- /* Construct decoded vector */
- iCBConstruct(&decresidual[start_pos + iLBCenc_inst->state_short_len],
- extra_cb_index,
- extra_gain_index,
- &mem[CB_MEML - stMemLTbl],
- stMemLTbl,
- diff,
- CB_NSTAGES);
- }
- else
- {
- /* Put adaptive part in the beginning */
-
- /* Create reversed vectors for prediction */
- for (k = 0; k < diff; k++)
- reverseResidual[k] = residual[(start + 1)*SUBL - 1 - (k + iLBCenc_inst->state_short_len)];
-
- /* Setup memory */
- meml_gotten = iLBCenc_inst->state_short_len;
- for (k = 0; k < meml_gotten; k++)
- mem[CB_MEML - 1 - k] = decresidual[start_pos + k];
- memset(mem, 0, (CB_MEML - k)*sizeof(float));
- memset(weightState, 0, ILBC_LPC_FILTERORDER*sizeof(float));
-
- /* Encode sub-frames */
- iCBSearch(iLBCenc_inst,
- extra_cb_index,
- extra_gain_index,
- reverseResidual,
- mem + CB_MEML - stMemLTbl,
- stMemLTbl,
- diff,
- CB_NSTAGES,
- &weightdenum[(start - 1)*(ILBC_LPC_FILTERORDER + 1)],
- weightState,
- 0);
-
- /* Construct decoded vector */
- iCBConstruct(reverseDecresidual,
- extra_cb_index,
- extra_gain_index,
- &mem[CB_MEML - stMemLTbl],
- stMemLTbl,
- diff,
- CB_NSTAGES);
-
- /* Get decoded residual from reversed vector */
- for (k = 0; k < diff; k++)
- decresidual[start_pos - 1 - k] = reverseDecresidual[k];
- }
-
- /* Counter for predicted sub-frames */
- subcount = 0;
-
- /* Forward prediction of sub-frames */
- Nfor = iLBCenc_inst->nsub-start - 1;
-
- if (Nfor > 0)
- {
- /* Setup memory */
- memset(mem, 0, (CB_MEML - STATE_LEN)*sizeof(float));
- memcpy(&mem[CB_MEML - STATE_LEN], decresidual + (start - 1)*SUBL, STATE_LEN*sizeof(float));
- memset(weightState, 0, ILBC_LPC_FILTERORDER*sizeof(float));
-
- /* Loop over sub-frames to encode */
- for (subframe = 0; subframe < Nfor; subframe++)
- {
- /* Encode sub-frame */
- iCBSearch(iLBCenc_inst,
- &cb_index[subcount*CB_NSTAGES],
- &gain_index[subcount*CB_NSTAGES],
- &residual[(start + 1 + subframe)*SUBL],
- &mem[CB_MEML - memLfTbl[subcount]],
- memLfTbl[subcount],
- SUBL,
- CB_NSTAGES,
- &weightdenum[(start + 1 + subframe)*(ILBC_LPC_FILTERORDER + 1)],
- weightState,
- subcount + 1);
-
- /* Construct decoded vector */
- iCBConstruct(&decresidual[(start + 1 + subframe)*SUBL],
- &cb_index[subcount*CB_NSTAGES],
- &gain_index[subcount*CB_NSTAGES],
- &mem[CB_MEML - memLfTbl[subcount]],
- memLfTbl[subcount],
- SUBL,
- CB_NSTAGES);
-
- /* Update memory */
- memmove(mem, &mem[SUBL], (CB_MEML-SUBL)*sizeof(float));
- memmove(&mem[CB_MEML - SUBL], &decresidual[(start + 1 + subframe)*SUBL], SUBL*sizeof(float));
- memset(weightState, 0, ILBC_LPC_FILTERORDER*sizeof(float));
- subcount++;
- }
- }
-
- /* backward prediction of sub-frames */
- Nback = start - 1;
-
- if (Nback > 0)
- {
- /* Create reverse order vectors */
- for (n = 0; n < Nback; n++)
- {
- for (k = 0; k < SUBL; k++)
- {
- reverseResidual[n*SUBL + k] = residual[(start - 1)*SUBL - 1 - n*SUBL - k];
- reverseDecresidual[n*SUBL + k] = decresidual[(start - 1)*SUBL - 1 - n*SUBL - k];
- }
- }
-
- /* Setup memory */
- meml_gotten = SUBL*(iLBCenc_inst->nsub + 1 - start);
-
-
- if (meml_gotten > CB_MEML)
- meml_gotten = CB_MEML;
- for (k = 0; k < meml_gotten; k++)
- mem[CB_MEML - 1 - k] = decresidual[(start - 1)*SUBL + k];
- memset(mem, 0, (CB_MEML - k)*sizeof(float));
- memset(weightState, 0, ILBC_LPC_FILTERORDER*sizeof(float));
-
- /* Loop over sub-frames to encode */
- for (subframe = 0; subframe < Nback; subframe++)
- {
- /* Encode sub-frame */
- iCBSearch(iLBCenc_inst,
- &cb_index[subcount*CB_NSTAGES],
- &gain_index[subcount*CB_NSTAGES],
- &reverseResidual[subframe*SUBL],
- &mem[CB_MEML - memLfTbl[subcount]],
- memLfTbl[subcount],
- SUBL,
- CB_NSTAGES,
- &weightdenum[(start - 2 - subframe)*(ILBC_LPC_FILTERORDER + 1)],
- weightState,
- subcount + 1);
-
- /* Construct decoded vector */
- iCBConstruct(&reverseDecresidual[subframe*SUBL],
- &cb_index[subcount*CB_NSTAGES],
- &gain_index[subcount*CB_NSTAGES],
- &mem[CB_MEML - memLfTbl[subcount]],
- memLfTbl[subcount],
- SUBL,
- CB_NSTAGES);
-
- /* Update memory */
- memmove(mem, &mem[SUBL], (CB_MEML - SUBL)*sizeof(float));
- memmove(&mem[CB_MEML - SUBL],
- &reverseDecresidual[subframe*SUBL],
- SUBL*sizeof(float));
- memset(weightState, 0, ILBC_LPC_FILTERORDER*sizeof(float));
-
- subcount++;
- }
-
- /* Get decoded residual from reversed vector */
- for (i = 0; i < SUBL*Nback; i++)
- decresidual[SUBL*Nback - i - 1] = reverseDecresidual[i];
- }
-
- /* Adjust index */
- index_conv_enc(cb_index);
-
- /* Pack bytes */
- pbytes = bytes;
- pos = 0;
-
- /* Loop over the 3 ULP classes */
- for (ulp = 0; ulp < 3; ulp++)
- {
- /* LSF */
- for (k = 0; k < LSF_NSPLIT*iLBCenc_inst->lpc_n; k++)
- {
- packsplit(&lsf_i[k],
- &firstpart,
- &lsf_i[k],
- iLBCenc_inst->ULP_inst->lsf_bits[k][ulp],
- iLBCenc_inst->ULP_inst->lsf_bits[k][ulp]
- + iLBCenc_inst->ULP_inst->lsf_bits[k][ulp + 1]
- + iLBCenc_inst->ULP_inst->lsf_bits[k][ulp + 2]);
- dopack(&pbytes, firstpart, iLBCenc_inst->ULP_inst->lsf_bits[k][ulp], &pos);
- }
-
- /* Start block info */
- packsplit(&start,
- &firstpart,
- &start,
- iLBCenc_inst->ULP_inst->start_bits[ulp],
- iLBCenc_inst->ULP_inst->start_bits[ulp]
- + iLBCenc_inst->ULP_inst->start_bits[ulp + 1]
- + iLBCenc_inst->ULP_inst->start_bits[ulp + 2]);
- dopack(&pbytes, firstpart, iLBCenc_inst->ULP_inst->start_bits[ulp], &pos);
-
- packsplit(&state_first,
- &firstpart,
- &state_first,
- iLBCenc_inst->ULP_inst->startfirst_bits[ulp],
- iLBCenc_inst->ULP_inst->startfirst_bits[ulp]
- + iLBCenc_inst->ULP_inst->startfirst_bits[ulp + 1]
- + iLBCenc_inst->ULP_inst->startfirst_bits[ulp + 2]);
- dopack(&pbytes, firstpart, iLBCenc_inst->ULP_inst->startfirst_bits[ulp], &pos);
-
- packsplit(&idxForMax,
- &firstpart,
- &idxForMax,
- iLBCenc_inst->ULP_inst->scale_bits[ulp],
- iLBCenc_inst->ULP_inst->scale_bits[ulp]
- + iLBCenc_inst->ULP_inst->scale_bits[ulp + 1]
- + iLBCenc_inst->ULP_inst->scale_bits[ulp + 2]);
- dopack(&pbytes, firstpart, iLBCenc_inst->ULP_inst->scale_bits[ulp], &pos);
-
- for (k = 0; k < iLBCenc_inst->state_short_len; k++)
- {
- packsplit(idxVec + k,
- &firstpart,
- idxVec + k,
- iLBCenc_inst->ULP_inst->state_bits[ulp],
- iLBCenc_inst->ULP_inst->state_bits[ulp]
- + iLBCenc_inst->ULP_inst->state_bits[ulp + 1]
- + iLBCenc_inst->ULP_inst->state_bits[ulp + 2]);
- dopack(&pbytes, firstpart, iLBCenc_inst->ULP_inst->state_bits[ulp], &pos);
- }
-
- /* 23/22 (20ms/30ms) sample block */
- for (k = 0; k < CB_NSTAGES; k++)
- {
- packsplit(extra_cb_index + k,
- &firstpart,
- extra_cb_index + k,
- iLBCenc_inst->ULP_inst->extra_cb_index[k][ulp],
- iLBCenc_inst->ULP_inst->extra_cb_index[k][ulp]
- + iLBCenc_inst->ULP_inst->extra_cb_index[k][ulp + 1]
- + iLBCenc_inst->ULP_inst->extra_cb_index[k][ulp + 2]);
- dopack(&pbytes, firstpart, iLBCenc_inst->ULP_inst->extra_cb_index[k][ulp], &pos);
- }
-
- for (k = 0; k < CB_NSTAGES; k++)
- {
- packsplit(extra_gain_index + k,
- &firstpart,
- extra_gain_index + k,
- iLBCenc_inst->ULP_inst->extra_cb_gain[k][ulp],
- iLBCenc_inst->ULP_inst->extra_cb_gain[k][ulp]
- + iLBCenc_inst->ULP_inst->extra_cb_gain[k][ulp + 1]
- + iLBCenc_inst->ULP_inst->extra_cb_gain[k][ulp + 2]);
- dopack(&pbytes, firstpart, iLBCenc_inst->ULP_inst->extra_cb_gain[k][ulp], &pos);
- }
-
- /* The two/four (20ms/30ms) 40 sample sub-blocks */
- for (i = 0; i < iLBCenc_inst->nasub; i++)
- {
- for (k = 0; k < CB_NSTAGES; k++)
- {
- packsplit(cb_index + i*CB_NSTAGES+k,
- &firstpart,
- cb_index + i*CB_NSTAGES + k,
- iLBCenc_inst->ULP_inst->cb_index[i][k][ulp],
- iLBCenc_inst->ULP_inst->cb_index[i][k][ulp]
- + iLBCenc_inst->ULP_inst->cb_index[i][k][ulp + 1]
- + iLBCenc_inst->ULP_inst->cb_index[i][k][ulp + 2]);
- dopack(&pbytes, firstpart, iLBCenc_inst->ULP_inst->cb_index[i][k][ulp], &pos);
- }
- }
-
- for (i = 0; i < iLBCenc_inst->nasub; i++)
- {
- for (k = 0; k < CB_NSTAGES; k++)
- {
- packsplit(gain_index + i*CB_NSTAGES + k,
- &firstpart,
- gain_index + i*CB_NSTAGES + k,
- iLBCenc_inst->ULP_inst->cb_gain[i][k][ulp],
- iLBCenc_inst->ULP_inst->cb_gain[i][k][ulp]
- + iLBCenc_inst->ULP_inst->cb_gain[i][k][ulp + 1]
- + iLBCenc_inst->ULP_inst->cb_gain[i][k][ulp + 2]);
- dopack(&pbytes, firstpart, iLBCenc_inst->ULP_inst->cb_gain[i][k][ulp], &pos);
- }
- }
- }
-
- /* Set the last bit to zero (otherwise the decoder will treat it as a lost frame) */
- dopack(&pbytes, 0, 1, &pos);
- return iLBCenc_inst->no_of_bytes;
-}
-
-int ilbc_encode(ilbc_encode_state_t *s, /* (i/o) the general encoder state */
- uint8_t bytes[], /* (o) encoded data bits iLBC */
- const int16_t amp[], /* (o) speech vector to encode */
- int len)
-{
- int i;
- int j;
- int k;
- float block[ILBC_BLOCK_LEN_MAX];
-
- for (i = 0, j = 0; i < len; i += s->blockl, j += s->no_of_bytes)
- {
- /* Convert signal to float */
- for (k = 0; k < s->blockl; k++)
- block[k] = (float) amp[i + k];
- ilbc_encode_frame(s, bytes + j, block);
- }
- return j;
-}
-
-ilbc_encode_state_t *ilbc_encode_init(ilbc_encode_state_t *iLBCenc_inst, /* (i/o) Encoder instance */
- int mode) /* (i) frame size mode */
-{
- iLBCenc_inst->mode = mode;
- if (mode == 30)
- {
- iLBCenc_inst->blockl = ILBC_BLOCK_LEN_30MS;
- iLBCenc_inst->nsub = NSUB_30MS;
- iLBCenc_inst->nasub = NASUB_30MS;
- iLBCenc_inst->lpc_n = LPC_N_30MS;
- iLBCenc_inst->no_of_bytes = ILBC_NO_OF_BYTES_30MS;
- iLBCenc_inst->state_short_len = STATE_SHORT_LEN_30MS;
- /* ULP init */
- iLBCenc_inst->ULP_inst = &ULP_30msTbl;
- }
- else if (mode == 20)
- {
- iLBCenc_inst->blockl = ILBC_BLOCK_LEN_20MS;
- iLBCenc_inst->nsub = NSUB_20MS;
- iLBCenc_inst->nasub = NASUB_20MS;
- iLBCenc_inst->lpc_n = LPC_N_20MS;
- iLBCenc_inst->no_of_bytes = ILBC_NO_OF_BYTES_20MS;
- iLBCenc_inst->state_short_len = STATE_SHORT_LEN_20MS;
- /* ULP init */
- iLBCenc_inst->ULP_inst = &ULP_20msTbl;
- }
- else
- {
- return NULL;
- }
-
- memset((*iLBCenc_inst).anaMem, 0, ILBC_LPC_FILTERORDER*sizeof(float));
- memcpy((*iLBCenc_inst).lsfold, lsfmeanTbl, ILBC_LPC_FILTERORDER*sizeof(float));
- memcpy((*iLBCenc_inst).lsfdeqold, lsfmeanTbl, ILBC_LPC_FILTERORDER*sizeof(float));
- memset((*iLBCenc_inst).lpc_buffer, 0, (LPC_LOOKBACK + ILBC_BLOCK_LEN_MAX)*sizeof(float));
- memset((*iLBCenc_inst).hpimem, 0, 4*sizeof(float));
-
- return iLBCenc_inst;
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * ilbc.h - The head guy amongst the headers
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: ilbc.h.in,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#if !defined(_ILBC_H_)
-#define _ILBC_H_
-
-@ILBC_USE_FIXED_POINT@
-
-#include <stdlib.h>
-@INSERT_INTTYPES_HEADER@
-#include <string.h>
-#include <limits.h>
-#include <time.h>
-@INSERT_MATH_HEADER@
-
-#include <ilbc/ilbc.h>
-
-#endif
-/*- End of file ------------------------------------------------------------*/
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * ilbc.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Copyright (C) The Internet Society (2004).
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id: ilbc.h,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
- */
-
-#if !defined(_ILBC_ILBC_H_)
-#define _ILBC_ILBC_H_
-
-#define ILBC_BLOCK_LEN_20MS 160
-#define ILBC_BLOCK_LEN_30MS 240
-#define ILBC_BLOCK_LEN_MAX 240
-
-#define ILBC_NO_OF_BYTES_20MS 38
-#define ILBC_NO_OF_BYTES_30MS 50
-#define ILBC_NO_OF_BYTES_MAX 50
-
-#define ILBC_NUM_SUB_MAX 6
-
-#define SUBL 40
-
-#define ENH_BLOCKL 80 /* block length */
-#define ENH_NBLOCKS_TOT 8 /* ENH_NBLOCKS + ENH_NBLOCKS_EXTRA */
-#define ENH_BUFL (ENH_NBLOCKS_TOT*ENH_BLOCKL)
-
-#define ILBC_LPC_FILTERORDER 10
-#define LPC_LOOKBACK 60
-
-#define CB_NSTAGES 3
-
-#define STATE_BITS 3
-#define BYTE_LEN 8
-#define ILBC_ULP_CLASSES 3
-
-typedef struct
-{
- int lsf_bits[6][ILBC_ULP_CLASSES + 2];
- int start_bits[ILBC_ULP_CLASSES + 2];
- int startfirst_bits[ILBC_ULP_CLASSES + 2];
- int scale_bits[ILBC_ULP_CLASSES + 2];
- int state_bits[ILBC_ULP_CLASSES + 2];
- int extra_cb_index[CB_NSTAGES][ILBC_ULP_CLASSES + 2];
- int extra_cb_gain[CB_NSTAGES][ILBC_ULP_CLASSES + 2];
- int cb_index[ILBC_NUM_SUB_MAX][CB_NSTAGES][ILBC_ULP_CLASSES + 2];
- int cb_gain[ILBC_NUM_SUB_MAX][CB_NSTAGES][ILBC_ULP_CLASSES + 2];
-} ilbc_ulp_inst_t;
-
-/* Type definition encoder instance */
-typedef struct
-{
- /* flag for frame size mode */
- int mode;
-
- /* basic parameters for different frame sizes */
- int blockl;
- int nsub;
- int nasub;
- int no_of_bytes;
- int lpc_n;
- int state_short_len;
- const ilbc_ulp_inst_t *ULP_inst;
-
- /* analysis filter state */
- float anaMem[ILBC_LPC_FILTERORDER];
-
- /* old lsf parameters for interpolation */
- float lsfold[ILBC_LPC_FILTERORDER];
- float lsfdeqold[ILBC_LPC_FILTERORDER];
-
- /* signal buffer for LP analysis */
- float lpc_buffer[LPC_LOOKBACK + ILBC_BLOCK_LEN_MAX];
-
- /* state of input HP filter */
- float hpimem[4];
-} ilbc_encode_state_t;
-
-/* Type definition decoder instance */
-typedef struct
-{
- /* Flag for frame size mode */
- int mode;
-
- /* Basic parameters for different frame sizes */
- int blockl;
- int nsub;
- int nasub;
- int no_of_bytes;
- int lpc_n;
- int state_short_len;
- const ilbc_ulp_inst_t *ULP_inst;
-
- /* Synthesis filter state */
- float syntMem[ILBC_LPC_FILTERORDER];
-
- /* Old LSF for interpolation */
- float lsfdeqold[ILBC_LPC_FILTERORDER];
-
- /* Pitch lag estimated in enhancer and used in PLC */
- int last_lag;
-
- /* PLC state information */
- int prevLag, consPLICount, prevPLI, prev_enh_pl;
- float prevLpc[ILBC_LPC_FILTERORDER + 1];
- float prevResidual[ILBC_NUM_SUB_MAX*SUBL];
- float per;
- unsigned long seed;
-
- /* Previous synthesis filter parameters */
- float old_syntdenum[(ILBC_LPC_FILTERORDER + 1)*ILBC_NUM_SUB_MAX];
-
- /* State of output HP filter */
- float hpomem[4];
-
- /* Enhancer state information */
- int use_enhancer;
- float enh_buf[ENH_BUFL];
- float enh_period[ENH_NBLOCKS_TOT];
-} ilbc_decode_state_t;
-
-ilbc_encode_state_t *ilbc_encode_init(ilbc_encode_state_t *s, /* (i/o) Encoder instance */
- int mode); /* (i) frame size mode */
-
-int ilbc_encode(ilbc_encode_state_t *s, /* (i/o) the general encoder state */
- uint8_t bytes[], /* (o) encoded data bits iLBC */
- const int16_t amp[], /* (o) speech vector to encode */
- int len);
-
-ilbc_decode_state_t *ilbc_decode_init(ilbc_decode_state_t *s, /* (i/o) Decoder instance */
- int mode, /* (i) frame size mode */
- int use_enhancer); /* (i) 1 to use enhancer
- 0 to run without enhancer */
-
-int ilbc_decode(ilbc_decode_state_t *s, /* (i/o) the decoder state structure */
- int16_t amp[], /* (o) decoded signal block */
- const uint8_t bytes[], /* (i) encoded signal bits */
- int len);
-
-int ilbc_fillin(ilbc_decode_state_t *s, /* (i/o) the decoder state structure */
- int16_t amp[], /* (o) decoded signal block */
- int len);
-
-#endif
+++ /dev/null
-/*
- * SpanDSP - a series of DSP components for telephony
- *
- * version.h - A tag file, so the exact installed revision can be assertained.
- *
- * Written by Steve Underwood <steveu@coppice.org>
- *
- * Copyright (C) 2007 Steve Underwood
- *
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the Lesser GNU General Public License version 2.1, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id: version.h.in,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
- */
-
-#if !defined(_VOIPCODECS_VERSION_H_)
-#define _VOIPCODECS_VERSION_H_
-
-/* The date and time of the version are in UTC form. */
-
-#define VOIPCODECS_RELEASE_DATE $VOIPCODECS_RELEASE_DATE
-#define VOIPCODECS_RELEASE_TIME $VOIPCODECS_RELEASE_TIME
-
-#endif
-/*- End of file ------------------------------------------------------------*/
+++ /dev/null
-/*
- * SpanDSP - a series of DSP components for telephony
- *
- * version.h - A tag file, so the exact installed revision can be assertained.
- *
- * Written by Steve Underwood <steveu@coppice.org>
- *
- * Copyright (C) 2007 Steve Underwood
- *
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the Lesser GNU General Public License version 2.1, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id: version.h.in,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
- */
-
-#if !defined(_VOIPCODECS_VERSION_H_)
-#define _VOIPCODECS_VERSION_H_
-
-/* The date and time of the version are in UTC form. */
-
-#define VOIPCODECS_RELEASE_DATE $VOIPCODECS_RELEASE_DATE
-#define VOIPCODECS_RELEASE_TIME $VOIPCODECS_RELEASE_TIME
-
-#endif
-/*- End of file ------------------------------------------------------------*/
+++ /dev/null
-# Microsoft Developer Studio Project File - Name="ilbc" - Package Owner=<4>
-# Microsoft Developer Studio Generated Build File, Format Version 6.00
-# ** DO NOT EDIT **
-
-# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
-
-CFG=ilbc - Win32 Debug
-!MESSAGE This is not a valid makefile. To build this project using NMAKE,
-!MESSAGE use the Export Makefile command and run
-!MESSAGE
-!MESSAGE NMAKE /f "ilbc.mak".
-!MESSAGE
-!MESSAGE You can specify a configuration when running NMAKE
-!MESSAGE by defining the macro CFG on the command line. For example:
-!MESSAGE
-!MESSAGE NMAKE /f "ilbc.mak" CFG="ilbc - Win32 Debug"
-!MESSAGE
-!MESSAGE Possible choices for configuration are:
-!MESSAGE
-!MESSAGE "ilbc - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
-!MESSAGE "ilbc - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
-!MESSAGE
-
-# Begin Project
-# PROP AllowPerConfigDependencies 0
-# PROP Scc_ProjName ""
-# PROP Scc_LocalPath ""
-CPP=cl.exe
-MTL=midl.exe
-RSC=rc.exe
-
-!IF "$(CFG)" == "ilbc - Win32 Release"
-
-# PROP BASE Use_MFC 0
-# PROP BASE Use_Debug_Libraries 0
-# PROP BASE Output_Dir "Release"
-# PROP BASE Intermediate_Dir "Release"
-# PROP BASE Target_Dir ""
-# PROP Use_MFC 0
-# PROP Use_Debug_Libraries 0
-# PROP Output_Dir "Release"
-# PROP Intermediate_Dir "Release"
-# PROP Ignore_Export_Lib 0
-# PROP Target_Dir ""
-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D HAVE_TGMATH_H /YX /FD /c
-# ADD CPP /nologo /MT /W3 /GX /Zi /O2 /I "." /I "..\include" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D HAVE_TGMATH_H /D "_WINDLL" /FR /FD /c
-# SUBTRACT CPP /YX
-# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
-# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
-# ADD BASE RSC /l 0x409 /d "NDEBUG"
-# ADD RSC /l 0x409 /d "NDEBUG"
-BSC32=bscmake.exe
-# ADD BASE BSC32 /nologo
-# ADD BSC32 /nologo
-LINK32=link.exe
-# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386
-# ADD LINK32 kernel32.lib ws2_32.lib winmm.lib /nologo /dll /map /debug /machine:I386 /out:"Release/libilbc.dll"
-
-!ELSEIF "$(CFG)" == "ilbc - Win32 Debug"
-
-# PROP BASE Use_MFC 0
-# PROP BASE Use_Debug_Libraries 1
-# PROP BASE Output_Dir "Debug"
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-# ADD CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /I "." /I "..\include" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D HAVE_TGMATH_H /FR /FD /GZ /c
-# SUBTRACT CPP /WX /YX
-# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
-# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
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-# ADD LINK32 kernel32.lib ws2_32.lib winmm.lib /nologo /dll /incremental:no /map /debug /machine:I386 /out:"Debug/libilbc.dll" /pdbtype:sept
-# SUBTRACT LINK32 /nodefaultlib
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-!ENDIF
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+++ /dev/null
-
-Microsoft Visual Studio Solution File, Format Version 9.00
-# Visual Studio 2005
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libilbc", "libilbc.vcproj", "{CF70F278-3364-4395-A2E1-23501C9B8AD2}"
- ProjectSection(ProjectDependencies) = postProject
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-EndProject
-Global
- GlobalSection(SolutionConfigurationPlatforms) = preSolution
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- EndGlobalSection
- GlobalSection(SolutionProperties) = preSolution
- HideSolutionNode = FALSE
- EndGlobalSection
-EndGlobal
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * lsf.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: lsf.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <string.h>
-#include <math.h>
-
-#include "iLBC_define.h"
-#include "lsf.h"
-
-/*----------------------------------------------------------------*
- * conversion from lpc coefficients to lsf coefficients
- *---------------------------------------------------------------*/
-
-void a2lsf(float *freq, /* (o) lsf coefficients */
- float *a) /* (i) lpc coefficients */
-{
- static const float steps[LSF_NUMBER_OF_STEPS] =
- {
- 0.00635f, 0.003175f, 0.0015875f, 0.00079375f
- };
- float step;
- int step_idx;
- int lsp_index;
- float p[LPC_HALFORDER];
- float q[LPC_HALFORDER];
- float p_pre[LPC_HALFORDER];
- float q_pre[LPC_HALFORDER];
- float old_p;
- float old_q;
- float *old;
- float *pq_coef;
- float omega;
- float old_omega;
- int i;
- float hlp;
- float hlp1;
- float hlp2;
- float hlp3;
- float hlp4;
- float hlp5;
-
- for (i = 0; i < LPC_HALFORDER; i++)
- {
- p[i] = -1.0f*(a[i + 1] + a[ILBC_LPC_FILTERORDER - i]);
- q[i] = a[ILBC_LPC_FILTERORDER - i] - a[i + 1];
- }
-
- p_pre[0] = -1.0f - p[0];
- p_pre[1] = -p_pre[0] - p[1];
- p_pre[2] = -p_pre[1] - p[2];
- p_pre[3] = -p_pre[2] - p[3];
- p_pre[4] = -p_pre[3] - p[4];
- p_pre[4] = p_pre[4]/2.0f;
-
- q_pre[0] = 1.0f - q[0];
- q_pre[1] = q_pre[0] - q[1];
- q_pre[2] = q_pre[1] - q[2];
- q_pre[3] = q_pre[2] - q[3];
- q_pre[4] = q_pre[3] - q[4];
- q_pre[4] = q_pre[4]/2.0f;
-
- omega = 0.0f;
- old_omega = 0.0f;
-
- old_p = FLOAT_MAX;
- old_q = FLOAT_MAX;
-
- /* Here we loop through lsp_index to find all the ILBC_LPC_FILTERORDER roots for omega. */
- for (lsp_index = 0; lsp_index < ILBC_LPC_FILTERORDER; lsp_index++)
- {
- /* Depending on lsp_index being even or odd, we
- alternatively solve the roots for the two LSP equations. */
- if ((lsp_index & 0x1) == 0)
- {
- pq_coef = p_pre;
- old = &old_p;
- }
- else
- {
- pq_coef = q_pre;
- old = &old_q;
- }
-
- /* Start with low resolution grid */
- for (step_idx = 0, step = steps[step_idx]; step_idx < LSF_NUMBER_OF_STEPS; )
- {
- /* cos(10piw) + pq(0)cos(8piw) + pq(1)cos(6piw) +
- pq(2)cos(4piw) + pq(3)cod(2piw) + pq(4) */
- hlp = cosf(omega*TWO_PI);
- hlp1 = 2.0f*hlp+pq_coef[0];
- hlp2 = 2.0f*hlp*hlp1 - 1.0f + pq_coef[1];
- hlp3 = 2.0f*hlp*hlp2 - hlp1 + pq_coef[2];
- hlp4 = 2.0f*hlp*hlp3 - hlp2 + pq_coef[3];
- hlp5 = hlp*hlp4 - hlp3 + pq_coef[4];
-
-
- if (((hlp5 * (*old)) <= 0.0f) || (omega >= 0.5f))
- {
- if (step_idx == (LSF_NUMBER_OF_STEPS - 1))
- {
- if (fabsf(hlp5) >= fabsf(*old))
- freq[lsp_index] = omega - step;
- else
- freq[lsp_index] = omega;
-
- if ((*old) >= 0.0f)
- *old = -1.0f*FLOAT_MAX;
- else
- *old = FLOAT_MAX;
-
- omega = old_omega;
- step_idx = 0;
-
- step_idx = LSF_NUMBER_OF_STEPS;
- }
- else
- {
- if (step_idx == 0)
- old_omega = omega;
-
- step_idx++;
- omega -= steps[step_idx];
-
- /* Go back one grid step */
- step = steps[step_idx];
- }
- }
- else
- {
- /* increment omega until they are of different sign,
- and we know there is at least one root between omega
- and old_omega */
- *old = hlp5;
- omega += step;
- }
- }
- }
-
- for (i = 0; i < ILBC_LPC_FILTERORDER; i++)
- freq[i] *= TWO_PI;
-}
-
-/*----------------------------------------------------------------*
- * conversion from lsf coefficients to lpc coefficients
- *---------------------------------------------------------------*/
-
-void lsf2a(float *a_coef, /* (o) lpc coefficients */
- float *freq) /* (i) lsf coefficients */
-{
- int i;
- int j;
- float hlp;
- float p[LPC_HALFORDER];
- float q[LPC_HALFORDER];
- float a[LPC_HALFORDER + 1];
- float a1[LPC_HALFORDER];
- float a2[LPC_HALFORDER];
- float b[LPC_HALFORDER + 1];
- float b1[LPC_HALFORDER];
- float b2[LPC_HALFORDER];
-
- for (i = 0; i < ILBC_LPC_FILTERORDER; i++)
- freq[i] *= PI2;
-
- /* Check input for ill-conditioned cases. This part is not
- found in the TIA standard. It involves the following 2 IF
- blocks. If "freq" is judged ill-conditioned, then we first
- modify freq[0] and freq[LPC_HALFORDER-1] (normally
- LPC_HALFORDER = 10 for LPC applications), then we adjust
- the other "freq" values slightly */
-
- if ((freq[0] <= 0.0f) || (freq[ILBC_LPC_FILTERORDER - 1] >= 0.5f))
- {
- if (freq[0] <= 0.0f)
- freq[0] = 0.022f;
-
-
- if (freq[ILBC_LPC_FILTERORDER - 1] >= 0.5f)
- freq[ILBC_LPC_FILTERORDER - 1] = 0.499f;
-
- hlp = (freq[ILBC_LPC_FILTERORDER - 1] - freq[0])/(float) (ILBC_LPC_FILTERORDER - 1);
-
- for (i = 1; i < ILBC_LPC_FILTERORDER; i++)
- freq[i] = freq[i - 1] + hlp;
- }
-
- memset(a1, 0, LPC_HALFORDER*sizeof(float));
- memset(a2, 0, LPC_HALFORDER*sizeof(float));
- memset(b1, 0, LPC_HALFORDER*sizeof(float));
- memset(b2, 0, LPC_HALFORDER*sizeof(float));
- memset(a, 0, (LPC_HALFORDER+1)*sizeof(float));
- memset(b, 0, (LPC_HALFORDER+1)*sizeof(float));
-
- /* p[i] and q[i] compute cos(2*pi*omega_{2j}) and
- cos(2*pi*omega_{2j-1} in eqs. 4.2.2.2-1 and 4.2.2.2-2.
- Note that for this code p[i] specifies the coefficients
- used in .Q_A(z) while q[i] specifies the coefficients used
- in .P_A(z) */
-
- for (i = 0; i < LPC_HALFORDER; i++)
- {
- p[i] = cosf(TWO_PI*freq[2*i]);
- q[i] = cosf(TWO_PI*freq[2*i + 1]);
- }
-
- a[0] = 0.25f;
- b[0] = 0.25f;
-
- for (i = 0; i < LPC_HALFORDER; i++)
- {
- a[i + 1] = a[i] - 2*p[i]*a1[i] + a2[i];
- b[i + 1] = b[i] - 2*q[i]*b1[i] + b2[i];
- a2[i] = a1[i];
- a1[i] = a[i];
- b2[i] = b1[i];
- b1[i] = b[i];
- }
-
- for (j = 0; j < ILBC_LPC_FILTERORDER; j++)
- {
- if (j == 0)
- {
- a[0] = 0.25f;
- b[0] = -0.25f;
- }
- else
- {
- a[0] =
- b[0] = 0.0f;
- }
-
- for (i = 0; i < LPC_HALFORDER; i++)
- {
- a[i + 1] = a[i] - 2.0f*p[i]*a1[i] + a2[i];
- b[i + 1] = b[i] - 2.0f*q[i]*b1[i] + b2[i];
- a2[i] = a1[i];
- a1[i] = a[i];
- b2[i] = b1[i];
- b1[i] = b[i];
- }
-
- a_coef[j + 1] = 2.0f*(a[LPC_HALFORDER] + b[LPC_HALFORDER]);
- }
-
- a_coef[0] = 1.0f;
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * lsf.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: lsf.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_LSF_H
-#define __iLBC_LSF_H
-
-void a2lsf(float *freq, /* (o) lsf coefficients */
- float *a); /* (i) lpc coefficients */
-
-void lsf2a(float *a_coef, /* (o) lpc coefficients */
- float *freq); /* (i) lsf coefficients */
-
-#endif
+++ /dev/null
-#ifdef _MSC_VER
-#pragma warning(disable:4100)
-#endif
-
-#include "windows.h"
-
-void gettimeofday(struct timeval *tv, void *tz)
-{
- long int l = GetTickCount();
-
- tv->tv_sec = l / 1000;
- tv->tv_usec = (l % 1000) * 1000;
- return;
-}
+++ /dev/null
-EXPORTS
-adsi_rx_init
-adsi_rx
-adsi_tx_init
-adsi_send_alert_tone
-adsi_put_message
-adsi_next_field
-adsi_add_field
-async_tx_init
-async_rx_init
-awgn
-bert_init
-bert_get_bit
-bert_put_bit
-bert_set_report
-bert_result
-filter_create
-filter_delete
-filter_step
-cfilter_create
-cfilter_delete
-cfilter_step
-dds_phase_rate
-dds_frequency
-dds_scaling_dbm0
-dds_scaling_dbov
-dds_lookup
-dds_offset
-dds
-dds_mod
-dds_complex
-dds_complex_mod
-dds_phase_ratef
-dds_frequencyf
-dds_scaling_dbm0f
-dds_scaling_dbovf
-ddsf
-dds_modf
-dds_complexf
-dds_complex_modf
-echo_can_create
-echo_can_free
-echo_can_flush
-echo_can_adaption_mode
-echo_can_update
-fax_rx
-fax_tx
-fax_set_flush_handler
-fax_init
-fax_release
-fsk_tx_init
-fsk_tx_power
-fsk_tx_set_get_bit
-fsk_tx
-fsk_rx_signal_power
-fsk_rx_signal_cutoff
-fsk_rx_init
-fsk_rx
-fsk_rx_set_put_bit
-g722_encode_init
-g722_encode_release
-g722_encode
-g722_decode_init
-g722_decode_release
-g722_decode
-g726_init
-g726_release
-crc_itu32_calc
-crc_itu32_append
-crc_itu32_check
-crc_itu16_calc
-crc_itu16_append
-crc_itu16_check
-hdlc_rx_init
-hdlc_rx_get_stats
-hdlc_tx_init
-hdlc_tx_frame
-hdlc_tx_preamble
-ima_adpcm_init
-ima_adpcm_release
-span_log_test
-span_log
-span_log_buf
-span_log_init
-span_log_set_protocol
-span_set_message_handler
-span_set_error_handler
-modem_echo_can_create
-modem_echo_can_free
-modem_echo_can_flush
-modem_echo_can_adaption_mode
-modem_echo_can_update
-noise
-oki_adpcm_init
-oki_adpcm_release
-playout_put
-playout_get
-playout_get_unconditional
-playout_current_length
-playout_next_due
-playout_new
-playout_free
-playout_restart
-plc_rx
-plc_fillin
-plc_init
-plc_release
-power_meter_init
-power_meter_damping
-power_meter_update
-power_meter_dbm0
-power_meter_dbov
-power_meter_level_dbm0
-power_meter_level_dbov
-queue_empty
-queue_free_space
-queue_contents
-queue_flush
-queue_view
-queue_read
-queue_write
-queue_test_msg
-queue_read_msg
-queue_write_msg
-queue_create
-queue_delete
-sig_tone_init
-sig_tone_rx
-sig_tone_tx
-super_tone_rx_make_descriptor
-super_tone_rx_add_tone
-super_tone_rx_add_element
-super_tone_rx_init
-super_tone_rx_free
-super_tone_rx_segment_callback
-super_tone_rx
-super_tone_tx_make_step
-super_tone_tx_free
-super_tone_tx_init
-super_tone_tx
-t30_init
-t30_release
-t30_restart
-t30_create
-t30_free
-t30_frametype
-t30_decode_dis_dtc_dcs
-t30_completion_code_to_str
-t30_set_header_info
-t30_set_local_ident
-t30_get_sub_address
-t30_get_header_info
-t30_get_local_ident
-t30_get_far_ident
-t30_get_transfer_statistics
-t30_set_phase_b_handler
-t30_set_phase_d_handler
-t30_set_phase_e_handler
-t30_set_document_handler
-t30_set_rx_file
-t30_set_tx_file
-t30_local_interrupt_request
-t30_send_complete
-t30_hdlc_accept
-t30_timer_update
-t31_call_event
-t31_at_rx
-t31_rx
-t31_tx
-t31_init
-t31_release
-t35_decode
-t38_indicator
-t38_data_type
-t38_field_type
-t38_terminal_init
-t38_gateway_init
-t4_rx_create
-t4_rx_init
-t4_rx_start_page
-t4_rx_end_page
-t4_rx_delete
-t4_rx_end
-t4_rx_set_rx_encoding
-t4_rx_set_sub_address
-t4_rx_set_far_ident
-t4_rx_set_vendor
-t4_rx_set_model
-t4_tx_create
-t4_tx_init
-t4_tx_start_page
-t4_tx_restart_page
-t4_tx_end_page
-t4_tx_delete
-t4_tx_end
-t4_tx_set_tx_encoding
-t4_tx_set_min_row_bits
-t4_tx_set_local_ident
-t4_tx_set_header_info
-t4_get_transfer_statistics
-t4_encoding_to_str
-time_scale_init
-time_scale_rate
-time_scale
-make_goertzel_descriptor
-goertzel_init
-goertzel_update
-goertzel_result
-dtmf_rx_init
-dtmf_rx_set_realtime_callback
-dtmf_rx_parms
-dtmf_rx
-make_tone_descriptor
-make_tone_gen_descriptor
-tone_gen_init
-tone_gen
-dtmf_tx_init
-dtmf_tx
-v17_rx_init
-v17_rx_restart
-v17_rx_release
-v17_rx_set_put_bit
-v17_rx
-v17_rx_equalizer_state
-v17_rx_carrier_frequency
-v17_rx_symbol_timing_correction
-v17_rx_signal_power
-v17_rx_signal_cutoff
-v17_rx_set_qam_report_handler
-v17_tx_power
-v17_tx_init
-v17_tx_restart
-v17_tx_release
-v17_tx_set_get_bit
-v17_tx
-v22bis_rx_restart
-v22bis_rx
-v22bis_rx_equalizer_state
-v22bis_rx_carrier_frequency
-v22bis_rx_symbol_timing_correction
-v22bis_rx_signal_power
-v22bis_rx_set_qam_report_handler
-v22bis_tx
-v22bis_tx_power
-v22bis_restart
-v22bis_init
-v22bis_set_get_bit
-v22bis_set_put_bit
-v27ter_rx_init
-v27ter_rx_restart
-v27ter_rx_release
-v27ter_rx_set_put_bit
-v27ter_rx
-v27ter_rx_equalizer_state
-v27ter_rx_carrier_frequency
-v27ter_rx_symbol_timing_correction
-v27ter_rx_signal_power
-v27ter_rx_signal_cutoff
-v27ter_rx_set_qam_report_handler
-v27ter_tx_power
-v27ter_tx_init
-v27ter_tx_restart
-v27ter_tx_release
-v27ter_tx_set_get_bit
-v27ter_tx
-v29_rx_init
-v29_rx_restart
-v29_rx_release
-v29_rx_set_put_bit
-v29_rx
-v29_rx_equalizer_state
-v29_rx_carrier_frequency
-v29_rx_symbol_timing_correction
-v29_rx_signal_power
-v29_rx_signal_cutoff
-v29_rx_set_qam_report_handler
-v29_tx_power
-v29_tx_init
-v29_tx_restart
-v29_tx_release
-v29_tx_set_get_bit
-v29_tx
-lapm_dump
-lapm_receive
-lapm_tx
-lapm_tx_iframe
-v42_set_status_callback
-v42_rx_bit
-v42_tx_bit
-v42_init
-v42_restart
-v42_release
-v42bis_compress
-v42bis_compress_flush
-v42bis_decompress
-v42bis_decompress_flush
-v42bis_init
-v42bis_release
-v8_init
-v8_release
-v8_tx
-v8_rx
-v8_log_supported_modulations
-
+++ /dev/null
-/*
- * SpanDSP - a series of DSP components for telephony
- *
- * inttypes.h - a fudge for MSVC, which lacks this header
- *
- * Written by Steve Underwood <steveu@coppice.org>
- *
- * Copyright (C) 2006 Michael Jerris
- *
- *
- * This file is released in the public domain.
- *
- */
-
-#if !defined(_INTTYPES_H_)
-#define _INTTYPES_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifdef _MSC_VER
-#if (_MSC_VER >= 1400) // VC8+
-#ifndef _CRT_SECURE_NO_DEPRECATE
-#define _CRT_SECURE_NO_DEPRECATE
-#endif
-#ifndef _CRT_NONSTDC_NO_DEPRECATE
-#define _CRT_NONSTDC_NO_DEPRECATE
-#endif
-#endif // VC8+
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-typedef __int32 int32_t;
-typedef __int64 int64_t;
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-#define _MMX_H_
-
-/* disable the following warnings
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- * C4200: Non standard extension C zero sized array
- * C4706: assignment within conditional expression
- * C4244: conversion from 'type1' to 'type2', possible loss of data
- * C4295: array is too small to include a terminating null character
- * C4125: decimal digit terminates octal escape sequence
- */
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-
-#define strncasecmp _strnicmp
-#define strcasecmp _stricmp
-#if _MSC_VER < 1900
-#define snprintf _snprintf
-#else
-#include <math.h>
-#endif
-
-#if !defined(INFINITY)
-#define INFINITY 0x7fffffff
-#endif
-#endif
-
-#define PACKAGE "ilbc"
-#define VERSION "0.0.1andabit"
-
-#define INT32_MAX (2147483647)
-#define INT32_MIN (-2147483647 - 1)
-
-#define PRId8 "d"
-#define PRId16 "d"
-#define PRId32 "ld"
-#define PRId64 "lld"
-
-#define PRIu8 "u"
-#define PRIu16 "u"
-#define PRIu32 "lu"
-#define PRIu64 "llu"
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
+++ /dev/null
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+++ /dev/null
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-# Microsoft Developer Studio Generated Build File, Format Version 6.00
-# ** DO NOT EDIT **
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-!MESSAGE
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-# SUBTRACT CPP /YX
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-# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
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-# Name "ilbc - Win32 Release"
-# Name "ilbc - Win32 Debug"
+++ /dev/null
-extern void gettimeofday(struct timeval *tv, void *tz);
+++ /dev/null
-/*
- * SpanDSP - a series of DSP components for telephony
- *
- * tgmath.h - a fudge for MSVC, which lacks this header
- *
- * Written by Steve Underwood <steveu@coppice.org>
- *
- * Copyright (C) 2006 Michael Jerris
- *
- *
- * This file is released in the public domain.
- *
- */
-
-#if !defined(_TGMATH_H_)
-#define _TGMATH_H_
-
-#include <math.h>
-
-#if !defined(M_PI)
-/* C99 systems may not define M_PI */
-#define M_PI 3.14159265358979323846264338327
-#endif
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* A kindofa rint() for VC++ (only kindofa, because rint should be type generic,
- and this one is purely float to int */
-static inline long int lrintf(float a)
-{
- long int i;
-
- __asm
- {
- fld a
- fistp i
- }
- return i;
-}
-
-static inline long int lrint(double a)
-{
- long int i;
-
- __asm
- {
- fld a
- fistp i
- }
- return i;
-}
-
-static inline int rintf(float a)
-{
- int i;
-
- __asm
- {
- fld a
- fistp i
- }
- return i;
-}
-
-static inline int rint(double a)
-{
- int i;
-
- __asm
- {
- fld a
- fistp i
- }
- return i;
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
+++ /dev/null
-/*
- * SpanDSP - a series of DSP components for telephony
- *
- * inttypes.h - a fudge for MSVC, which lacks this header
- *
- * Written by Steve Underwood <steveu@coppice.org>
- *
- * Copyright (C) 2006 Michael Jerris
- *
- *
- * This file is released in the public domain.
- *
- */
-
-#if !defined(_INTTYPES_H_)
-#define _INTTYPES_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define open _open
-#define write _write
-
-extern int gethostname (char *name, size_t len);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
+++ /dev/null
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- >
- </Filter>
- </Files>
- <Globals>
- </Globals>
-</VisualStudioProject>
+++ /dev/null
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioProject
- ProjectType="Visual C++"
- Version="8.00"
- Name="libilbc"
- ProjectGUID="{CF70F278-3364-4395-A2E1-23501C9B8AD2}"
- RootNamespace="libilbc"
- Keyword="Win32Proj"
- >
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- />
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- Name="VCMIDLTool"
- />
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- Name="VCCLCompilerTool"
- Optimization="0"
- AdditionalIncludeDirectories="src; src\ilbc; src\msvc"
- PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;LIBSPANDSP_EXPORTS;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;HAVE_TGMATH_H"
- MinimalRebuild="true"
- BasicRuntimeChecks="3"
- RuntimeLibrary="3"
- UsePrecompiledHeader="0"
- WarningLevel="4"
- Detect64BitPortabilityProblems="true"
- DebugInformationFormat="4"
- />
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- Name="VCManagedResourceCompilerTool"
- />
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- Name="VCResourceCompilerTool"
- />
- <Tool
- Name="VCPreLinkEventTool"
- />
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- Name="VCLinkerTool"
- LinkIncremental="2"
- ModuleDefinitionFile="src/msvc/ilbc.def"
- GenerateDebugInformation="true"
- SubSystem="2"
- TargetMachine="1"
- />
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- Name="VCALinkTool"
- />
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- />
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- Name="VCXDCMakeTool"
- />
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- Name="VCBscMakeTool"
- />
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- Name="VCFxCopTool"
- />
- <Tool
- Name="VCAppVerifierTool"
- />
- <Tool
- Name="VCWebDeploymentTool"
- />
- <Tool
- Name="VCPostBuildEventTool"
- />
- </Configuration>
- <Configuration
- Name="Release|Win32"
- OutputDirectory="$(SolutionDir)$(ConfigurationName)"
- IntermediateDirectory="$(ConfigurationName)"
- ConfigurationType="2"
- CharacterSet="1"
- WholeProgramOptimization="1"
- >
- <Tool
- Name="VCPreBuildEventTool"
- />
- <Tool
- Name="VCCustomBuildTool"
- />
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- Name="VCXMLDataGeneratorTool"
- />
- <Tool
- Name="VCWebServiceProxyGeneratorTool"
- />
- <Tool
- Name="VCMIDLTool"
- />
- <Tool
- Name="VCCLCompilerTool"
- AdditionalIncludeDirectories="src; src\ilbc; src\msvc"
- PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;LIBSPANDSP_EXPORTS;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;HAVE_TGMATH_H"
- RuntimeLibrary="2"
- UsePrecompiledHeader="0"
- WarningLevel="4"
- Detect64BitPortabilityProblems="true"
- DebugInformationFormat="3"
- />
- <Tool
- Name="VCManagedResourceCompilerTool"
- />
- <Tool
- Name="VCResourceCompilerTool"
- />
- <Tool
- Name="VCPreLinkEventTool"
- />
- <Tool
- Name="VCLinkerTool"
- LinkIncremental="1"
- ModuleDefinitionFile="src/msvc/ilbc.def"
- GenerateDebugInformation="true"
- SubSystem="2"
- OptimizeReferences="2"
- EnableCOMDATFolding="2"
- TargetMachine="1"
- />
- <Tool
- Name="VCALinkTool"
- />
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- Name="VCManifestTool"
- />
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- Name="VCXDCMakeTool"
- />
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- Name="VCBscMakeTool"
- />
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- Name="VCFxCopTool"
- />
- <Tool
- Name="VCAppVerifierTool"
- />
- <Tool
- Name="VCWebDeploymentTool"
- />
- <Tool
- Name="VCPostBuildEventTool"
- />
- </Configuration>
- </Configurations>
- <References>
- </References>
- <Files>
- <Filter
- Name="Source Files"
- Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
- UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
- >
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * packing.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: packing.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <math.h>
-#include <stdlib.h>
-
-#include "ilbc.h"
-#include "constants.h"
-#include "helpfun.h"
-#include "string.h"
-#include "packing.h"
-
-/*----------------------------------------------------------------*
- * splitting an integer into first most significant bits and
- * remaining least significant bits
- *---------------------------------------------------------------*/
-
-void packsplit(int *index, /* (i) the value to split */
- int *firstpart, /* (o) the value specified by most
- significant bits */
- int *rest, /* (o) the value specified by least
- significant bits */
- int bitno_firstpart, /* (i) number of bits in most
- significant part */
- int bitno_total) /* (i) number of bits in full range of value */
-{
- int bitno_rest = bitno_total - bitno_firstpart;
-
- *firstpart = *index >> (bitno_rest);
- *rest = *index - (*firstpart << (bitno_rest));
-}
-
-/*----------------------------------------------------------------*
- * combining a value corresponding to msb's with a value
- * corresponding to lsb's
- *---------------------------------------------------------------*/
-
-void packcombine(int *index, /* (i/o) the msb value in the combined value out */
- int rest, /* (i) the lsb value */
- int bitno_rest) /* (i) the number of bits in the lsb part */
-{
- *index = *index << bitno_rest;
- *index += rest;
-}
-
-/*----------------------------------------------------------------*
- * packing of bits into bitstream, i.e., vector of bytes
- *---------------------------------------------------------------*/
-
-void dopack(uint8_t **bitstream, /* (i/o) on entrance pointer to
- place in bitstream to pack
- new data, on exit pointer
- to place in bitstream to
- pack future data */
- int index, /* (i) the value to pack */
- int bitno, /* (i) the number of bits that the
- value will fit within */
- int *pos) /* (i/o) write position in the
- current byte */
-{
- int posLeft;
-
- /* Clear the bits before starting in a new byte */
- if ((*pos) == 0)
- **bitstream = 0;
-
- while (bitno > 0)
- {
- /* Jump to the next byte if end of this byte is reached*/
- if (*pos == 8)
- {
- *pos = 0;
- (*bitstream)++;
- **bitstream = 0;
- }
-
- posLeft = 8 - (*pos);
-
- /* Insert index into the bitstream */
- if (bitno <= posLeft)
- {
- **bitstream |= (uint8_t) (index << (posLeft - bitno));
- *pos += bitno;
- bitno = 0;
- }
- else
- {
- **bitstream |= (uint8_t) (index >> (bitno - posLeft));
- *pos = 8;
- index -= ((index >> (bitno - posLeft)) << (bitno - posLeft));
- bitno -= posLeft;
- }
- }
-}
-
-/*----------------------------------------------------------------*
- * unpacking of bits from bitstream, i.e., vector of bytes
- *---------------------------------------------------------------*/
-
-void unpack(const uint8_t **bitstream, /* (i/o) on entrance pointer to
- place in bitstream to
- unpack new data from, on
- exit pointer to place in
- bitstream to unpack future
- data from */
- int *index, /* (o) resulting value */
- int bitno, /* (i) number of bits used to represent the value */
- int *pos) /* (i/o) read position in the current byte */
-{
- int BitsLeft;
-
- *index = 0;
- while (bitno > 0)
- {
- /* Move forward in bitstream when the end of the byte is reached */
- if (*pos == 8)
- {
- *pos = 0;
- (*bitstream)++;
- }
-
- BitsLeft = 8 - (*pos);
-
- /* Extract bits to index */
- if (BitsLeft >= bitno)
- {
- *index += ((((**bitstream) << (*pos)) & 0xFF) >> (8 - bitno));
-
- *pos += bitno;
- bitno = 0;
- }
- else
- {
- if ((8 - bitno) > 0)
- {
- *index += ((((**bitstream) << (*pos)) & 0xFF) >> (8 - bitno));
- *pos = 8;
- }
- else
- {
- *index += (((int) (((**bitstream) << (*pos)) & 0xFF)) << (bitno - 8));
- *pos = 8;
- }
- bitno -= BitsLeft;
- }
- }
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * packing.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: packing.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __PACKING_H
-#define __PACKING_H
-
-void packsplit(int *index, /* (i) the value to split */
- int *firstpart, /* (o) the value specified by most
- significant bits */
- int *rest, /* (o) the value specified by least
- significant bits */
- int bitno_firstpart, /* (i) number of bits in most
- significant part */
- int bitno_total /* (i) number of bits in full range
- of value */
-);
-
-void packcombine(int *index, /* (i/o) the msb value in the combined value out */
- int rest, /* (i) the lsb value */
- int bitno_rest); /* (i) the number of bits in the lsb part */
-
-void dopack(uint8_t **bitstream, /* (i/o) on entrance pointer to
- place in bitstream to pack
- new data, on exit pointer
- to place in bitstream to
- pack future data */
- int index, /* (i) the value to pack */
- int bitno, /* (i) the number of bits that the
- value will fit within */
- int *pos); /* (i/o) write position in the current byte */
-
-void unpack(const uint8_t **bitstream, /* (i/o) on entrance pointer to
- place in bitstream to
- unpack new data from, on
- exit pointer to place in
- bitstream to unpack future
- data from */
- int *index, /* (o) resulting value */
- int bitno, /* (i) number of bits used to
- represent the value */
- int *pos); /* (i/o) read position in the current byte */
-
-#endif
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * syntFilter.c - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: syntFilter.c,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-/*! \file */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <inttypes.h>
-#include <string.h>
-
-#include "ilbc.h"
-#include "syntFilter.h"
-
-/*----------------------------------------------------------------*
- * LP synthesis filter.
- *---------------------------------------------------------------*/
-
-void syntFilter(float *Out, /* (i/o) Signal to be filtered */
- float *a, /* (i) LP parameters */
- int len, /* (i) Length of signal */
- float *mem) /* (i/o) Filter state */
-{
- int i;
- int j;
- float *po;
- float *pi;
- float *pa;
- float *pm;
-
- po = Out;
-
- /* Filter first part using memory from past */
- for (i = 0; i < ILBC_LPC_FILTERORDER; i++)
- {
- pi = &Out[i - 1];
- pa = &a[1];
- pm = &mem[ILBC_LPC_FILTERORDER - 1];
- for (j = 1; j <= i; j++)
- *po -= (*pa++)*(*pi--);
- for (j = i + 1; j < ILBC_LPC_FILTERORDER + 1; j++)
- *po -= (*pa++)*(*pm--);
- po++;
- }
-
- /* Filter last part where the state is entirely in
- the output vector */
-
- for (i = ILBC_LPC_FILTERORDER; i < len; i++)
- {
- pi = &Out[i - 1];
- pa = &a[1];
- for (j = 1; j < ILBC_LPC_FILTERORDER + 1; j++)
- *po -= (*pa++)*(*pi--);
- po++;
- }
-
- /* Update state vector */
- memcpy(mem, &Out[len - ILBC_LPC_FILTERORDER], ILBC_LPC_FILTERORDER*sizeof(float));
-}
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * syntFilter.h - The iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Original code Copyright (C) The Internet Society (2004).
- * All changes to produce this version Copyright (C) 2008 by Steve Underwood
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: syntFilter.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
- */
-
-#ifndef __iLBC_SYNTFILTER_H
-#define __iLBC_SYNTFILTER_H
-
-void syntFilter(float *Out, /* (i/o) Signal to be filtered */
- float *a, /* (i) LP parameters */
- int len, /* (i) Length of signal */
- float *mem); /* (i/o) Filter state */
-
-#endif
+++ /dev/null
-##
-## iLBC - a library for the iLBC codec
-##
-## Makefile.am -- Process this file with automake to produce Makefile.in
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License version 2, as
-## published by the Free Software Foundation.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-##
-## $Id: Makefile.am,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
-
-AM_CFLAGS = $(COMP_VENDOR_CFLAGS)
-
-LIBS += $(TESTLIBS)
-
-EXTRA_DIST = regression_tests.sh
-
-MAINTAINERCLEANFILES = Makefile.in
-
-AM_CPPFLAGS = -I$(top_builddir)/src -DDATADIR="\"$(pkgdatadir)\""
-
-LIBDIR = -L$(top_builddir)/src
-
-noinst_PROGRAMS = ilbc_tests
-
-ilbc_tests_SOURCES = ilbc_tests.c
-ilbc_tests_LDADD = $(LIBDIR) -lilbc
+++ /dev/null
-/*
- * iLBC - a library for the iLBC codec
- *
- * ilbc_tests.c - Test the iLBC low bit rate speech codec.
- *
- * Adapted by Steve Underwood <steveu@coppice.org> from the reference
- * iLBC code supplied in RFC3951.
- *
- * Copyright (C) The Internet Society (2004).
- * All Rights Reserved.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id: ilbc_tests.c,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
- */
-
-/*! \file */
-
-/*! \page ilbc_tests_page iLBC codec tests
-\section ilbc_tests_page_sec_1 What does it do?
-
-\section ilbc_tests_page_sec_2 How is it used?
-To perform a general audio quality test, ilbc_tests should be run. The file ../localtests/short_nb_voice.wav
-will be compressed to iLBC data, decompressed, and the resulting audio stored in post_ilbc.wav.
-*/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <string.h>
-#include <inttypes.h>
-#include <time.h>
-#include <audiofile.h>
-
-#include "ilbc.h"
-
-#define IN_FILE_NAME "../localtests/dam9.wav"
-#define REF_FILE_NAME "../localtests/dam9_lpc55.wav"
-#define COMPRESS_FILE_NAME "lpc10_out.lpc10"
-#define DECOMPRESS_FILE_NAME "lpc10_in.lpc10"
-#define OUT_FILE_NAME "post_lpc10.wav"
-
-#define SAMPLE_RATE 8000
-
-/*---------------------------------------------------------------*
- * Main program to test iLBC encoding and decoding
- *
- * Usage:
- * exefile_name.exe <infile> <bytefile> <outfile> <channel>
- *
- * <infile> : Input file, speech for encoder (16-bit PCM file)
- * <bytefile> : Bit stream output from the encoder
- * <outfile> : Output file, decoded speech (16-bit PCM file)
- * <channel> : Bit error file, optional (16-bit)
- * 1 - Packet received correctly
- * 0 - Packet Lost
- *--------------------------------------------------------------*/
-int main(int argc, char *argv[])
-{
- AFfilehandle inhandle;
- AFfilehandle refhandle;
- AFfilehandle outhandle;
- AFfilesetup filesetup;
- int frames;
- int outframes;
- int compress_file;
- int decompress_file;
- float x;
-
- float starttime;
- float runtime;
- float outtime;
- FILE *ifileid;
- FILE *efileid;
- FILE *ofileid;
- FILE *cfileid;
- int16_t data[ILBC_BLOCK_LEN_MAX];
- uint8_t encoded_data[ILBC_NO_OF_BYTES_MAX];
- int16_t decoded_data[ILBC_BLOCK_LEN_MAX];
- int len;
- int16_t pli;
- int16_t mode;
- int blockcount = 0;
- int packetlosscount = 0;
-
- /* Create structs */
- ilbc_encode_state_t Enc_Inst;
- ilbc_decode_state_t Dec_Inst;
-
- compress_file = -1;
- decompress_file = -1;
- inhandle = AF_NULL_FILEHANDLE;
- refhandle = AF_NULL_FILEHANDLE;
- outhandle = AF_NULL_FILEHANDLE;
-#if 0
- if (!decompress)
- {
- if ((inhandle = afOpenFile(in_file_name, "r", 0)) == AF_NULL_FILEHANDLE)
- {
- fprintf(stderr, " Cannot open wave file '%s'\n", in_file_name);
- exit(2);
- }
- if ((x = afGetFrameSize(inhandle, AF_DEFAULT_TRACK, 1)) != 2.0)
- {
- fprintf(stderr, " Unexpected frame size in wave file '%s'\n", in_file_name);
- exit(2);
- }
- if ((x = afGetRate(inhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
- {
- fprintf(stderr, " Unexpected sample rate in wave file '%s'\n", in_file_name);
- exit(2);
- }
- if ((x = afGetChannels(inhandle, AF_DEFAULT_TRACK)) != 1.0)
- {
- fprintf(stderr, " Unexpected number of channels in wave file '%s'\n", in_file_name);
- exit(2);
- }
- if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
- {
- fprintf(stderr, " Failed to create file setup\n");
- exit(2);
- }
-
- if ((refhandle = afOpenFile(REF_FILE_NAME, "r", 0)) == AF_NULL_FILEHANDLE)
- {
- fprintf(stderr, " Cannot open wave file '%s'\n", REF_FILE_NAME);
- exit(2);
- }
- if ((x = afGetFrameSize(refhandle, AF_DEFAULT_TRACK, 1)) != 2.0)
- {
- fprintf(stderr, " Unexpected frame size in wave file '%s'\n", REF_FILE_NAME);
- exit(2);
- }
- if ((x = afGetRate(refhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
- {
- fprintf(stderr, " Unexpected sample rate in wave file '%s'\n", REF_FILE_NAME);
- exit(2);
- }
- if ((x = afGetChannels(refhandle, AF_DEFAULT_TRACK)) != 1.0)
- {
- fprintf(stderr, " Unexpected number of channels in wave file '%s'\n", REF_FILE_NAME);
- exit(2);
- }
- }
- else
- {
- if ((decompress_file = open(DECOMPRESS_FILE_NAME, O_RDONLY)) < 0)
- {
- fprintf(stderr, " Cannot open decompressed data file '%s'\n", DECOMPRESS_FILE_NAME);
- exit(2);
- }
- }
-
- if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
- {
- fprintf(stderr, " Failed to create file setup\n");
- exit(2);
- }
- afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
- afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
- afInitFileFormat(filesetup, AF_FILE_WAVE);
- afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
-
- if ((outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
- {
- fprintf(stderr, " Cannot create wave file '%s'\n", OUT_FILE_NAME);
- exit(2);
- }
-#endif
-
- if ((argc != 5) && (argc != 6))
- {
- fprintf(stderr,
- "\n*-----------------------------------------------*\n");
- fprintf(stderr,
- " %s <20,30> input encoded decoded (channel)\n\n",
- argv[0]);
- fprintf(stderr,
- " mode : Frame size for the encoding/decoding\n");
- fprintf(stderr,
- " 20 - 20 ms\n");
- fprintf(stderr,
- " 30 - 30 ms\n");
- fprintf(stderr,
- " input : Speech for encoder (16-bit pcm file)\n");
- fprintf(stderr,
- " encoded : Encoded bit stream\n");
- fprintf(stderr,
- " decoded : Decoded speech (16-bit pcm file)\n");
- fprintf(stderr,
- " channel : Packet loss pattern, optional (16-bit)\n");
- fprintf(stderr,
- " 1 - Packet received correctly\n");
- fprintf(stderr,
- " 0 - Packet Lost\n");
- fprintf(stderr,
- "*-----------------------------------------------*\n\n");
- exit(1);
- }
- mode = atoi(argv[1]);
- if (mode != 20 && mode != 30)
- {
- fprintf(stderr,"Wrong mode %s, must be 20, or 30\n",
- argv[1]);
- exit(2);
- }
- if ((ifileid = fopen(argv[2],"rb")) == NULL)
- {
- fprintf(stderr,"Cannot open input file %s\n", argv[2]);
- exit(2);
- }
- if ((efileid = fopen(argv[3],"wb")) == NULL)
- {
- fprintf(stderr, "Cannot open encoded file %s\n",
- argv[3]);
- exit(1);
- }
- if ((ofileid = fopen(argv[4],"wb")) == NULL)
- {
- fprintf(stderr, "Cannot open decoded file %s\n",
- argv[4]);
- exit(1);
- }
- if (argc == 6)
- {
- if( (cfileid=fopen(argv[5],"rb")) == NULL)
- {
- fprintf(stderr, "Cannot open channel file %s\n",
- argv[5]);
- exit(1);
- }
- }
- else
- {
- cfileid=NULL;
- }
-
- /* print info */
-
- fprintf(stderr, "\n");
- fprintf(stderr,
- "*---------------------------------------------------*\n");
- fprintf(stderr,
- "* *\n");
- fprintf(stderr,
- "* iLBC test program *\n");
- fprintf(stderr,
- "* *\n");
- fprintf(stderr,
- "* *\n");
- fprintf(stderr,
- "*---------------------------------------------------*\n");
- fprintf(stderr, "\nMode : %2d ms\n", mode);
- fprintf(stderr, "Input file : %s\n", argv[2]);
- fprintf(stderr, "Encoded file : %s\n", argv[3]);
- fprintf(stderr, "Output file : %s\n", argv[4]);
- if (argc == 6)
- fprintf(stderr,"Channel file : %s\n", argv[5]);
- fprintf(stderr, "\n");
-
- /* Initialization */
-
- ilbc_encode_init(&Enc_Inst, mode);
- ilbc_decode_init(&Dec_Inst, mode, 1);
-
- /* Runtime statistics */
- starttime = clock()/(float)CLOCKS_PER_SEC;
-
- /* Loop over input blocks */
- while (fread(data, sizeof(int16_t), Enc_Inst.blockl, ifileid) == Enc_Inst.blockl)
- {
- blockcount++;
-
- /* Encoding */
- fprintf(stderr, "--- Encoding block %i --- ",blockcount);
- len = ilbc_encode(&Enc_Inst, encoded_data, data, Enc_Inst.blockl);
- fprintf(stderr, "\r");
-
- /* Write byte file */
- fwrite(encoded_data, sizeof(uint8_t), len, efileid);
-
- /* Get channel data if provided */
- if (argc == 6)
- {
- if (fread(&pli, sizeof(int16_t), 1, cfileid))
- {
- if ((pli != 0) && (pli != 1))
- {
- fprintf(stderr, "Error in channel file\n");
- exit(0);
- }
- if (pli == 0)
- {
- /* Packet loss -> remove info from frame */
- memset(encoded_data, 0, len);
- packetlosscount++;
- }
- }
- else
- {
- fprintf(stderr, "Error. Channel file too int16_t\n");
- exit(0);
- }
- }
- else
- {
- pli = 1;
- }
-
- /* Decoding */
- fprintf(stderr, "--- Decoding block %i --- ", blockcount);
-
- if (pli)
- len = ilbc_decode(&Dec_Inst, decoded_data, encoded_data, len);
- else
- len = ilbc_fillin(&Dec_Inst, decoded_data, len);
- fprintf(stderr, "\r");
-
- /* Write output file */
- fwrite(decoded_data, sizeof(int16_t), len, ofileid);
- }
-
- /* Runtime statistics */
- runtime = (float) (clock()/(float) CLOCKS_PER_SEC - starttime);
- outtime = (float) ((float) blockcount*(float) mode/1000.0f);
- printf("\n\nLength of speech file: %.1f s\n", outtime);
- printf("Packet loss : %.1f%%\n",
- 100.0f*(float) packetlosscount/(float) blockcount);
- printf("Time to run iLBC :");
- printf(" %.1f s (%.1f%% of realtime)\n\n", runtime, 100.0f*runtime/outtime);
-
- /* close files */
- fclose(ifileid);
- fclose(efileid);
- fclose(ofileid);
- if (argc == 6)
- fclose(cfileid);
- return(0);
-}
+++ /dev/null
-#!/bin/sh
-#
-# iLBC - a library for the iLBC codec
-#
-# regression_tests.sh
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2, as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-#
-# $Id: regression_tests.sh,v 1.1.1.1 2008/02/15 12:15:55 steveu Exp $
-#
-
-STDOUT_DEST=xyzzy
-STDERR_DEST=xyzzy2
-
-echo Performing basic iLBC regression tests
-echo
-
-./ilbc_tests 20 ../localtests/iLBC.INP iLBC_20ms.BIT iLBC_20ms_clean.OUT ../localtests/clean.chn >$STDOUT_DEST 2>$STDERR_DEST
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 20ms clean failed!
- exit $RETVAL
-fi
-diff iLBC_20ms.BIT ../localtests/iLBC_20ms.BIT
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 20ms clean failed!
- #exit $RETVAL
-fi
-diff iLBC_20ms_clean.OUT ../localtests/iLBC_20ms_clean.OUT
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 20ms clean failed!
- #exit $RETVAL
-fi
-echo ilbc_tests 20ms clean completed OK
-
-./ilbc_tests 20 ../localtests/iLBC.INP tmp.BIT iLBC_20ms_tlm05.OUT ../localtests/tlm05.chn >$STDOUT_DEST 2>$STDERR_DEST
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 20ms 5% loss failed!
- exit $RETVAL
-fi
-diff iLBC_20ms_tlm05.OUT ../localtests/iLBC_20ms_tlm05.OUT
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 20ms clean failed!
- #exit $RETVAL
-fi
-echo ilbc_tests 20ms 5% loss completed OK
-
-./ilbc_tests 30 ../localtests/iLBC.INP iLBC_30ms.BIT iLBC_30ms_clean.OUT ../localtests/clean.chn >$STDOUT_DEST 2>$STDERR_DEST
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 30ms clean failed!
- exit $RETVAL
-fi
-diff iLBC_30ms.BIT ../localtests/iLBC_30ms.BIT
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 30ms clean failed!
- #exit $RETVAL
-fi
-diff iLBC_30ms_clean.OUT ../localtests/iLBC_30ms_clean.OUT
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 30ms clean failed!
- #exit $RETVAL
-fi
-echo ilbc_tests 30ms clean completed OK
-
-./ilbc_tests 30 ../localtests/iLBC.INP tmp.BIT iLBC_30ms_tlm05.OUT ../localtests/tlm05.chn >$STDOUT_DEST 2>$STDERR_DEST
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 30ms 5% loss failed!
- exit $RETVAL
-fi
-diff iLBC_30ms_tlm05.OUT ../localtests/iLBC_30ms_tlm05.OUT
-RETVAL=$?
-if [ $RETVAL != 0 ]
-then
- echo ilbc_tests 30ms clean failed!
- #exit $RETVAL
-fi
-echo ilbc_tests 30ms 5% loss completed OK
-
-echo
-echo All regression tests successfully completed
+++ /dev/null
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+ <PropertyGroup Label="UserMacros" />
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+ <CustomBuild Include="cleancount">
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+</Command>
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projects / thirdparty / freeswitch.git / commitdiff
