]> git.ipfire.org Git - thirdparty/freeswitch.git/commitdiff
codec tweaks (do a make sure)
authorAnthony Minessale <anthony.minessale@gmail.com>
Mon, 29 Jan 2007 15:43:41 +0000 (15:43 +0000)
committerAnthony Minessale <anthony.minessale@gmail.com>
Mon, 29 Jan 2007 15:43:41 +0000 (15:43 +0000)
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4077 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_types.h
src/mod/codecs/mod_g711/mod_g711.c
src/mod/codecs/mod_l16/mod_l16.c
src/switch_core.c
src/switch_loadable_module.c

index 7921e6bad096fcf83e6376122dbc9af8e3091c40..ae073108f177003ecbb67023b493465a79028003 100644 (file)
@@ -176,7 +176,7 @@ typedef struct switch_directories switch_directories;
 SWITCH_DECLARE_DATA extern switch_directories SWITCH_GLOBAL_dirs;
 
 #define SWITCH_THREAD_STACKSIZE 240 * 1024
-#define SWITCH_RECCOMMENDED_BUFFER_SIZE 2048
+#define SWITCH_RECCOMMENDED_BUFFER_SIZE 3968
 #define SWITCH_MAX_CODECS 30
 #define SWITCH_MAX_STATE_HANDLERS 30
 #define SWITCH_TRUE 1
index 2dec8063b7bd17b81e872cb6769f05baf353598c..0f76244b3b61d457a227d6777c82940c66019428 100644 (file)
@@ -188,7 +188,6 @@ static switch_status_t switch_g711a_destroy(switch_codec_t *codec)
 /* Registration */
 
 
-
 static const switch_codec_implementation_t g711u_8k_60ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 0,
@@ -209,7 +208,6 @@ static const switch_codec_implementation_t g711u_8k_60ms_implementation = {
        /*.destroy */ switch_g711u_destroy
 };
 
-#if 0
 static const switch_codec_implementation_t g711u_8k_30ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 0,
@@ -228,20 +226,20 @@ static const switch_codec_implementation_t g711u_8k_30ms_implementation = {
        /*.encode */ switch_g711u_encode,
        /*.decode */ switch_g711u_decode,
        /*.destroy */ switch_g711u_destroy,
-       /*.next */ NULL
+       /*.next*/ &g711u_8k_60ms_implementation
 };
 
-static const switch_codec_implementation_t g711u_16k_implementation = {
+static const switch_codec_implementation_t g711u_8k_20ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 0,
        /*.iananame */ "PCMU",
        /*.fmtp */ NULL,
-       /*.samples_per_second */ 16000,
-       /*.bits_per_second */ 128000,
+       /*.samples_per_second */ 8000,
+       /*.bits_per_second */ 64000,
        /*.microseconds_per_frame */ 20000,
-       /*.samples_per_frame */ 320,
-       /*.bytes_per_frame */ 640,
-       /*.encoded_bytes_per_frame */ 320,
+       /*.samples_per_frame */ 160,
+       /*.bytes_per_frame */ 320,
+       /*.encoded_bytes_per_frame */ 160,
        /*.number_of_channels */ 1,
        /*.pref_frames_per_packet */ 1,
        /*.max_frames_per_packet */ 1,
@@ -249,21 +247,20 @@ static const switch_codec_implementation_t g711u_16k_implementation = {
        /*.encode */ switch_g711u_encode,
        /*.decode */ switch_g711u_decode,
        /*.destroy */ switch_g711u_destroy,
-       /*.next */ &g711u_8k_30ms_implementation
+       /*.next*/ &g711u_8k_30ms_implementation
 };
-#endif
 
-static const switch_codec_implementation_t g711u_8k_implementation = {
+static const switch_codec_implementation_t g711u_8k_10ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 0,
        /*.iananame */ "PCMU",
        /*.fmtp */ NULL,
        /*.samples_per_second */ 8000,
        /*.bits_per_second */ 64000,
-       /*.microseconds_per_frame */ 20000,
-       /*.samples_per_frame */ 160,
-       /*.bytes_per_frame */ 320,
-       /*.encoded_bytes_per_frame */ 160,
+       /*.microseconds_per_frame */ 10000,
+       /*.samples_per_frame */ 80,
+       /*.bytes_per_frame */ 160,
+       /*.encoded_bytes_per_frame */ 80,
        /*.number_of_channels */ 1,
        /*.pref_frames_per_packet */ 1,
        /*.max_frames_per_packet */ 1,
@@ -271,12 +268,54 @@ static const switch_codec_implementation_t g711u_8k_implementation = {
        /*.encode */ switch_g711u_encode,
        /*.decode */ switch_g711u_decode,
        /*.destroy */ switch_g711u_destroy,
-       ///*.next */ &g711u_16k_implementation
-       &g711u_8k_60ms_implementation
+       /*.next*/ &g711u_8k_20ms_implementation
 };
 
 
-static const switch_codec_implementation_t g711a_8k_implementation = {
+
+
+static const switch_codec_implementation_t g711a_8k_60ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 8,
+       /*.iananame */ "PCMA",
+       /*.fmtp */ NULL,
+       /*.samples_per_second */ 8000,
+       /*.bits_per_second */ 19200,
+       /*.microseconds_per_frame */ 60000,
+       /*.samples_per_frame */ 480,
+       /*.bytes_per_frame */ 960,
+       /*.encoded_bytes_per_frame */ 480,
+       /*.number_of_channels */ 1,
+       /*.pref_frames_per_packet */ 1,
+       /*.max_frames_per_packet */ 1,
+       /*.init */ switch_g711u_init,
+       /*.encode */ switch_g711u_encode,
+       /*.decode */ switch_g711u_decode,
+       /*.destroy */ switch_g711u_destroy,
+};
+
+static const switch_codec_implementation_t g711a_8k_30ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 8,
+       /*.iananame */ "PCMA",
+       /*.fmtp */ NULL,
+       /*.samples_per_second */ 8000,
+       /*.bits_per_second */ 96000,
+       /*.microseconds_per_frame */ 30000,
+       /*.samples_per_frame */ 240,
+       /*.bytes_per_frame */ 480,
+       /*.encoded_bytes_per_frame */ 240,
+       /*.number_of_channels */ 1,
+       /*.pref_frames_per_packet */ 1,
+       /*.max_frames_per_packet */ 1,
+       /*.init */ switch_g711u_init,
+       /*.encode */ switch_g711u_encode,
+       /*.decode */ switch_g711u_decode,
+       /*.destroy */ switch_g711u_destroy,
+    /*.next*/ &g711a_8k_60ms_implementation
+};
+
+static const switch_codec_implementation_t g711a_8k_20ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 8,
        /*.iananame */ "PCMA",
@@ -293,18 +332,41 @@ static const switch_codec_implementation_t g711a_8k_implementation = {
        /*.init */ switch_g711a_init,
        /*.encode */ switch_g711a_encode,
        /*.decode */ switch_g711a_decode,
-       /*.destroy */ switch_g711a_destroy
+       /*.destroy */ switch_g711a_destroy,
+    /*.next*/ &g711a_8k_30ms_implementation
 };
 
+static const switch_codec_implementation_t g711a_8k_10ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 8,
+       /*.iananame */ "PCMA",
+       /*.fmtp */ NULL,
+       /*.samples_per_second */ 8000,
+       /*.bits_per_second */ 64000,
+       /*.microseconds_per_frame */ 10000,
+       /*.samples_per_frame */ 80,
+       /*.bytes_per_frame */ 160,
+       /*.encoded_bytes_per_frame */ 80,
+       /*.number_of_channels */ 1,
+       /*.pref_frames_per_packet */ 1,
+       /*.max_frames_per_packet */ 1,
+       /*.init */ switch_g711u_init,
+       /*.encode */ switch_g711u_encode,
+       /*.decode */ switch_g711u_decode,
+       /*.destroy */ switch_g711u_destroy,
+    /*.next*/ &g711a_8k_20ms_implementation
+};
+
+
 
 static const switch_codec_interface_t g711a_codec_interface = {
        /*.interface_name */ "g711 alaw",
-       /*.implementations */ &g711a_8k_implementation
+       /*.implementations */ &g711a_8k_10ms_implementation
 };
 
 static const switch_codec_interface_t g711u_codec_interface = {
        /*.interface_name */ "g711 ulaw",
-       /*.implementations */ &g711u_8k_implementation,
+       /*.implementations */ &g711u_8k_10ms_implementation,
        /*.next */ &g711a_codec_interface
 };
 
index ba4788eca0394b2ebec25f7776c25fe28dd4da08..9de0fb92a2207492d8d8371a7e51d34741b252de 100644 (file)
@@ -89,7 +89,49 @@ static switch_status_t switch_raw_destroy(switch_codec_t *codec)
        return SWITCH_STATUS_SUCCESS;
 }
 
-static const switch_codec_implementation_t raw_32k_implementation = {
+static const switch_codec_implementation_t raw_32k_60ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 10,
+       /*.iananame */ "L16",
+       /*.fmtp */ NULL,
+       /*.samples_per_second = */ 32000,
+       /*.bits_per_second = */ 512000,
+       /*.microseconds_per_frame = */ 60000,
+       /*.samples_per_frame = */ 1920,
+       /*.bytes_per_frame = */ 3840,
+       /*.encoded_bytes_per_frame = */ 3840,
+       /*.number_of_channels = */ 1,
+       /*.pref_frames_per_packet = */ 1,
+       /*.max_frames_per_packet = */ 1,
+       /*.init = */ switch_raw_init,
+       /*.encode = */ switch_raw_encode,
+       /*.decode = */ switch_raw_decode,
+       /*.destroy = */ switch_raw_destroy
+       /*.next = */ 
+};
+
+static const switch_codec_implementation_t raw_32k_30ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 10,
+       /*.iananame */ "L16",
+       /*.fmtp */ NULL,
+       /*.samples_per_second = */ 32000,
+       /*.bits_per_second = */ 512000,
+       /*.microseconds_per_frame = */ 30000,
+       /*.samples_per_frame = */ 960,
+       /*.bytes_per_frame = */ 1920,
+       /*.encoded_bytes_per_frame = */ 1920,
+       /*.number_of_channels = */ 1,
+       /*.pref_frames_per_packet = */ 1,
+       /*.max_frames_per_packet = */ 1,
+       /*.init = */ switch_raw_init,
+       /*.encode = */ switch_raw_encode,
+       /*.decode = */ switch_raw_decode,
+       /*.destroy = */ switch_raw_destroy,
+       /*.next = */ &raw_32k_60ms_implementation
+};
+
+static const switch_codec_implementation_t raw_32k_20ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 10,
        /*.iananame */ "L16",
@@ -106,10 +148,32 @@ static const switch_codec_implementation_t raw_32k_implementation = {
        /*.init = */ switch_raw_init,
        /*.encode = */ switch_raw_encode,
        /*.decode = */ switch_raw_decode,
-       /*.destroy = */ switch_raw_destroy
+       /*.destroy = */ switch_raw_destroy,
+       /*.next = */ &raw_32k_30ms_implementation
 };
 
-static const switch_codec_implementation_t raw_22k_implementation = {
+static const switch_codec_implementation_t raw_32k_10ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 10,
+       /*.iananame */ "L16",
+       /*.fmtp */ NULL,
+       /*.samples_per_second = */ 32000,
+       /*.bits_per_second = */ 512000,
+       /*.microseconds_per_frame = */ 10000,
+       /*.samples_per_frame = */ 320,
+       /*.bytes_per_frame = */ 960,
+       /*.encoded_bytes_per_frame = */ 960,
+       /*.number_of_channels = */ 1,
+       /*.pref_frames_per_packet = */ 1,
+       /*.max_frames_per_packet = */ 1,
+       /*.init = */ switch_raw_init,
+       /*.encode = */ switch_raw_encode,
+       /*.decode = */ switch_raw_decode,
+       /*.destroy = */ switch_raw_destroy,
+       /*.next = */ &raw_32k_20ms_implementation
+};
+
+static const switch_codec_implementation_t raw_22k_20ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 10,
        /*.iananame */ "L16",
@@ -127,10 +191,73 @@ static const switch_codec_implementation_t raw_22k_implementation = {
        /*.encode = */ switch_raw_encode,
        /*.decode = */ switch_raw_decode,
        /*.destroy = */ switch_raw_destroy,
-       /*.next = */ &raw_32k_implementation
+       /*.next = */ &raw_32k_10ms_implementation
+};
+
+static const switch_codec_implementation_t raw_16k_120ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 10,
+       /*.iananame */ "L16",
+       /*.fmtp */ NULL,
+       /*.samples_per_second */ 8000,
+       /*.bits_per_second */ 256000,
+       /*.microseconds_per_frame */ 120000,
+       /*.samples_per_frame */ 1920,
+       /*.bytes_per_frame */ 3840,
+       /*.encoded_bytes_per_frame */ 3840,
+       /*.number_of_channels */ 1,
+       /*.pref_frames_per_packet */ 1,
+       /*.max_frames_per_packet */ 1,
+       /*.init */ switch_raw_init,
+       /*.encode */ switch_raw_encode,
+       /*.decode */ switch_raw_decode,
+       /*.destroy */ switch_raw_destroy,
+       /*.next */ &raw_22k_20ms_implementation
+};
+
+static const switch_codec_implementation_t raw_16k_60ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 10,
+       /*.iananame */ "L16",
+       /*.fmtp */ NULL,
+       /*.samples_per_second */ 16000,
+       /*.bits_per_second */ 256000,
+       /*.microseconds_per_frame */ 60000,
+       /*.samples_per_frame */ 960,
+       /*.bytes_per_frame */ 1920,
+       /*.encoded_bytes_per_frame */ 1920,
+       /*.number_of_channels */ 1,
+       /*.pref_frames_per_packet */ 1,
+       /*.max_frames_per_packet */ 1,
+       /*.init */ switch_raw_init,
+       /*.encode */ switch_raw_encode,
+       /*.decode */ switch_raw_decode,
+       /*.destroy */ switch_raw_destroy,
+       /*.next */ &raw_16k_120ms_implementation
+};
+
+static const switch_codec_implementation_t raw_16k_30ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 10,
+       /*.iananame */ "L16",
+       /*.fmtp */ NULL,
+       /*.samples_per_second */ 16000,
+       /*.bits_per_second */ 256000,
+       /*.microseconds_per_frame */ 30000,
+       /*.samples_per_frame */ 480,
+       /*.bytes_per_frame */ 960,
+       /*.encoded_bytes_per_frame */ 960,
+       /*.number_of_channels */ 1,
+       /*.pref_frames_per_packet */ 1,
+       /*.max_frames_per_packet */ 1,
+       /*.init */ switch_raw_init,
+       /*.encode */ switch_raw_encode,
+       /*.decode */ switch_raw_decode,
+       /*.destroy */ switch_raw_destroy,
+       /*.next */ &raw_16k_60ms_implementation
 };
 
-static const switch_codec_implementation_t raw_16k_implementation = {
+static const switch_codec_implementation_t raw_16k_20ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 10,
        /*.iananame */ "L16",
@@ -148,17 +275,17 @@ static const switch_codec_implementation_t raw_16k_implementation = {
        /*.encode = */ switch_raw_encode,
        /*.decode = */ switch_raw_decode,
        /*.destroy = */ switch_raw_destroy,
-       /*.next = */ &raw_22k_implementation
+       /*.next = */ &raw_16k_30ms_implementation
 };
 
-static const switch_codec_implementation_t raw_8k_implementation = {
+static const switch_codec_implementation_t raw_16k_10ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 10,
        /*.iananame */ "L16",
        /*.fmtp */ NULL,
-       /*.samples_per_second = */ 8000,
-       /*.bits_per_second = */ 128000,
-       /*.microseconds_per_frame = */ 20000,
+       /*.samples_per_second = */ 16000,
+       /*.bits_per_second = */ 256000,
+       /*.microseconds_per_frame = */ 10000,
        /*.samples_per_frame = */ 160,
        /*.bytes_per_frame = */ 320,
        /*.encoded_bytes_per_frame = */ 320,
@@ -169,21 +296,22 @@ static const switch_codec_implementation_t raw_8k_implementation = {
        /*.encode = */ switch_raw_encode,
        /*.decode = */ switch_raw_decode,
        /*.destroy = */ switch_raw_destroy,
-       /*.next = */ &raw_16k_implementation
+       /*.next = */ &raw_16k_20ms_implementation
 };
+///////////////////////////////
 
 
-static const switch_codec_implementation_t raw_8k_30ms_implementation = {
+static const switch_codec_implementation_t raw_8k_120ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 10,
        /*.iananame */ "L16",
        /*.fmtp */ NULL,
        /*.samples_per_second */ 8000,
-       /*.bits_per_second */ 128000,
-       /*.microseconds_per_frame */ 30000,
-       /*.samples_per_frame */ 240,
-       /*.bytes_per_frame */ 480,
-       /*.encoded_bytes_per_frame */ 480,
+       /*.bits_per_second */ 512000,
+       /*.microseconds_per_frame */ 120000,
+       /*.samples_per_frame */ 960,
+       /*.bytes_per_frame */ 1920,
+       /*.encoded_bytes_per_frame */ 1920,
        /*.number_of_channels */ 1,
        /*.pref_frames_per_packet */ 1,
        /*.max_frames_per_packet */ 1,
@@ -191,7 +319,7 @@ static const switch_codec_implementation_t raw_8k_30ms_implementation = {
        /*.encode */ switch_raw_encode,
        /*.decode */ switch_raw_decode,
        /*.destroy */ switch_raw_destroy,
-       /*.next */ &raw_8k_implementation
+       /*.next */ &raw_16k_10ms_implementation
 };
 
 
@@ -213,20 +341,20 @@ static const switch_codec_implementation_t raw_8k_60ms_implementation = {
        /*.encode */ switch_raw_encode,
        /*.decode */ switch_raw_decode,
        /*.destroy */ switch_raw_destroy,
-       /*.next */ &raw_8k_30ms_implementation
+       /*.next */ &raw_8k_120ms_implementation
 };
 
-static const switch_codec_implementation_t raw_8k_120ms_implementation = {
+static const switch_codec_implementation_t raw_8k_30ms_implementation = {
        /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
        /*.ianacode */ 10,
        /*.iananame */ "L16",
        /*.fmtp */ NULL,
        /*.samples_per_second */ 8000,
-       /*.bits_per_second */ 512000,
-       /*.microseconds_per_frame */ 120000,
-       /*.samples_per_frame */ 960,
-       /*.bytes_per_frame */ 1920,
-       /*.encoded_bytes_per_frame */ 1920,
+       /*.bits_per_second */ 128000,
+       /*.microseconds_per_frame */ 30000,
+       /*.samples_per_frame */ 240,
+       /*.bytes_per_frame */ 480,
+       /*.encoded_bytes_per_frame */ 480,
        /*.number_of_channels */ 1,
        /*.pref_frames_per_packet */ 1,
        /*.max_frames_per_packet */ 1,
@@ -236,11 +364,54 @@ static const switch_codec_implementation_t raw_8k_120ms_implementation = {
        /*.destroy */ switch_raw_destroy,
        /*.next */ &raw_8k_60ms_implementation
 };
+static const switch_codec_implementation_t raw_8k_20ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 10,
+       /*.iananame */ "L16",
+       /*.fmtp */ NULL,
+       /*.samples_per_second = */ 8000,
+       /*.bits_per_second = */ 128000,
+       /*.microseconds_per_frame = */ 20000,
+       /*.samples_per_frame = */ 160,
+       /*.bytes_per_frame = */ 320,
+       /*.encoded_bytes_per_frame = */ 320,
+       /*.number_of_channels = */ 1,
+       /*.pref_frames_per_packet = */ 1,
+       /*.max_frames_per_packet = */ 1,
+       /*.init = */ switch_raw_init,
+       /*.encode = */ switch_raw_encode,
+       /*.decode = */ switch_raw_decode,
+       /*.destroy = */ switch_raw_destroy,
+       /*.next */ &raw_8k_30ms_implementation
+};
+
+
+
+static const switch_codec_implementation_t raw_8k_10ms_implementation = {
+       /*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
+       /*.ianacode */ 10,
+       /*.iananame */ "L16",
+       /*.fmtp */ NULL,
+       /*.samples_per_second = */ 8000,
+       /*.bits_per_second = */ 128000,
+       /*.microseconds_per_frame = */ 10000,
+       /*.samples_per_frame = */ 80,
+       /*.bytes_per_frame = */ 160,
+       /*.encoded_bytes_per_frame = */ 160,
+       /*.number_of_channels = */ 1,
+       /*.pref_frames_per_packet = */ 1,
+       /*.max_frames_per_packet = */ 1,
+       /*.init = */ switch_raw_init,
+       /*.encode = */ switch_raw_encode,
+       /*.decode = */ switch_raw_decode,
+       /*.destroy = */ switch_raw_destroy,
+       /*.next */ &raw_8k_20ms_implementation
+};
 
 
 static const switch_codec_interface_t raw_codec_interface = {
        /*.interface_name */ "raw signed linear (16 bit)",
-       /*.implementations */ &raw_8k_120ms_implementation
+       /*.implementations */ &raw_8k_10ms_implementation
 };
 
 static switch_loadable_module_interface_t raw_module_interface = {
index 35e1b4a18f1c42483f16a583a792a4d90faca35f..98a2e172587cfd5dae0dd3e994a2694355610421 100644 (file)
@@ -782,6 +782,19 @@ SWITCH_DECLARE(switch_status_t) switch_core_codec_init(switch_codec_t *codec, ch
                return SWITCH_STATUS_GENERR;
        }
 
+    /* If no specific codec interval is requested opt for 20ms above all else because lots of stuff assumes it */
+    if (!ms) {
+        for (iptr = codec_interface->implementations; iptr; iptr = iptr->next) {
+            if ((!rate || rate == iptr->samples_per_second) &&
+                (20 == (iptr->microseconds_per_frame / 1000)) &&
+                (!channels || channels == iptr->number_of_channels)) {
+                implementation = iptr;
+                goto found;
+            }
+        }
+    }
+
+    /* Either looking for a specific interval or there was no interval specified and there wasn't one @20ms available*/
        for (iptr = codec_interface->implementations; iptr; iptr = iptr->next) {
                if ((!rate || rate == iptr->samples_per_second) &&
                        (!ms || ms == (iptr->microseconds_per_frame / 1000)) &&
@@ -791,6 +804,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_codec_init(switch_codec_t *codec, ch
                }
        }
 
+ found:
+
        if (implementation) {
                switch_status_t status;
                codec->codec_interface = codec_interface;
index 368b918e29cc7c6a2854164b867691243e7b5d55..cdf3079a74de2e87412f47dcc9901f6d08b54b62 100644 (file)
@@ -758,6 +758,27 @@ SWITCH_DECLARE(int) switch_loadable_module_get_codecs_sorted(const switch_codec_
                }
 
         if ((codec_interface = switch_loadable_module_get_codec_interface(name)) != 0 ) {
+            /* If no specific codec interval is requested opt for 20ms above all else because lots of stuff assumes it */
+            if (!interval) {
+                for (imp = codec_interface->implementations; imp; imp = imp->next) {
+                    uint8_t match = 1;
+
+                    if ((uint32_t)(imp->microseconds_per_frame / 1000) != 20) {
+                        match = 0;
+                    }
+
+                    if (match && rate && (uint32_t)imp->samples_per_second != rate) {
+                        match = 0;
+                    }
+
+                    if (match) {
+                        array[i++] = imp;
+                        goto found;
+                    }
+                }
+            }
+
+            /* Either looking for a specific interval or there was no interval specified and there wasn't one @20ms available*/
                        for (imp = codec_interface->implementations; imp; imp = imp->next) {
                                uint8_t match = 1;
 
@@ -771,8 +792,12 @@ SWITCH_DECLARE(int) switch_loadable_module_get_codecs_sorted(const switch_codec_
 
                                if (match) {
                                        array[i++] = imp;
+                    goto found;
                                }
                        }
+
+        found:
+
             if (i > arraylen) {
                 break;
             }