From: Daniel Stenberg Date: Thu, 2 Jun 2022 08:46:07 +0000 (+0200) Subject: examples: remove fopen.c and rtsp.c X-Git-Tag: curl-7_84_0~93 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df829a1fa9e147f249e81c25222446d7f4332de6;p=thirdparty%2Fcurl.git examples: remove fopen.c and rtsp.c To simplify the license situation, as they were the only files in the source tree using these specific BSD-3 clause licenses. For an fopen style API, we recommend instead going https://github.com/curl/fcurl Ref: #8869 Closes #8949 --- diff --git a/docs/examples/Makefile.inc b/docs/examples/Makefile.inc index cc66a9baf3..a4420382e6 100644 --- a/docs/examples/Makefile.inc +++ b/docs/examples/Makefile.inc @@ -31,7 +31,6 @@ check_PROGRAMS = \ debug \ externalsocket \ fileupload \ - fopen \ ftp-wildcard \ ftpget \ ftpgetinfo \ @@ -97,7 +96,6 @@ check_PROGRAMS = \ postit2-formadd \ progressfunc \ resolve \ - rtsp \ sendrecv \ sepheaders \ sftpget \ diff --git a/docs/examples/fopen.c b/docs/examples/fopen.c deleted file mode 100644 index 02ab11905c..0000000000 --- a/docs/examples/fopen.c +++ /dev/null @@ -1,546 +0,0 @@ -/***************************************************************************** - * - * This example source code introduces a c library buffered I/O interface to - * URL reads it supports fopen(), fread(), fgets(), feof(), fclose(), - * rewind(). Supported functions have identical prototypes to their normal c - * lib namesakes and are preceaded by url_ . - * - * Using this code you can replace your program's fopen() with url_fopen() - * and fread() with url_fread() and it become possible to read remote streams - * instead of (only) local files. Local files (ie those that can be directly - * fopened) will drop back to using the underlying clib implementations - * - * See the main() function at the bottom that shows an app that retrieves from - * a specified url using fgets() and fread() and saves as two output files. - * - * Copyright (c) 2003 - 2021 Simtec Electronics - * - * Re-implemented by Vincent Sanders with extensive - * reference to original curl example code - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * This example requires libcurl 7.9.7 or later. - */ -/* - * implements an fopen() abstraction allowing reading from URLs - * - */ - -#include -#include -#ifndef WIN32 -# include -#endif -#include -#include - -#include - -enum fcurl_type_e { - CFTYPE_NONE = 0, - CFTYPE_FILE = 1, - CFTYPE_CURL = 2 -}; - -struct fcurl_data -{ - enum fcurl_type_e type; /* type of handle */ - union { - CURL *curl; - FILE *file; - } handle; /* handle */ - - char *buffer; /* buffer to store cached data*/ - size_t buffer_len; /* currently allocated buffers length */ - size_t buffer_pos; /* end of data in buffer*/ - int still_running; /* Is background url fetch still in progress */ -}; - -typedef struct fcurl_data URL_FILE; - -/* exported functions */ -URL_FILE *url_fopen(const char *url, const char *operation); -int url_fclose(URL_FILE *file); -int url_feof(URL_FILE *file); -size_t url_fread(void *ptr, size_t size, size_t nmemb, URL_FILE *file); -char *url_fgets(char *ptr, size_t size, URL_FILE *file); -void url_rewind(URL_FILE *file); - -/* we use a global one for convenience */ -static CURLM *multi_handle; - -/* curl calls this routine to get more data */ -static size_t write_callback(char *buffer, - size_t size, - size_t nitems, - void *userp) -{ - char *newbuff; - size_t rembuff; - - URL_FILE *url = (URL_FILE *)userp; - size *= nitems; - - rembuff = url->buffer_len - url->buffer_pos; /* remaining space in buffer */ - - if(size > rembuff) { - /* not enough space in buffer */ - newbuff = realloc(url->buffer, url->buffer_len + (size - rembuff)); - if(!newbuff) { - fprintf(stderr, "callback buffer grow failed\n"); - size = rembuff; - } - else { - /* realloc succeeded increase buffer size*/ - url->buffer_len += size - rembuff; - url->buffer = newbuff; - } - } - - memcpy(&url->buffer[url->buffer_pos], buffer, size); - url->buffer_pos += size; - - return size; -} - -/* use to attempt to fill the read buffer up to requested number of bytes */ -static int fill_buffer(URL_FILE *file, size_t want) -{ - fd_set fdread; - fd_set fdwrite; - fd_set fdexcep; - struct timeval timeout; - int rc; - CURLMcode mc; /* curl_multi_fdset() return code */ - - /* only attempt to fill buffer if transactions still running and buffer - * does not exceed required size already - */ - if((!file->still_running) || (file->buffer_pos > want)) - return 0; - - /* attempt to fill buffer */ - do { - int maxfd = -1; - long curl_timeo = -1; - - FD_ZERO(&fdread); - FD_ZERO(&fdwrite); - FD_ZERO(&fdexcep); - - /* set a suitable timeout to fail on */ - timeout.tv_sec = 60; /* 1 minute */ - timeout.tv_usec = 0; - - curl_multi_timeout(multi_handle, &curl_timeo); - if(curl_timeo >= 0) { - timeout.tv_sec = curl_timeo / 1000; - if(timeout.tv_sec > 1) - timeout.tv_sec = 1; - else - timeout.tv_usec = (curl_timeo % 1000) * 1000; - } - - /* get file descriptors from the transfers */ - mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); - - if(mc != CURLM_OK) { - fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc); - break; - } - - /* On success the value of maxfd is guaranteed to be >= -1. We call - select(maxfd + 1, ...); specially in case of (maxfd == -1) there are - no fds ready yet so we call select(0, ...) --or Sleep() on Windows-- - to sleep 100ms, which is the minimum suggested value in the - curl_multi_fdset() doc. */ - - if(maxfd == -1) { -#ifdef _WIN32 - Sleep(100); - rc = 0; -#else - /* Portable sleep for platforms other than Windows. */ - struct timeval wait = { 0, 100 * 1000 }; /* 100ms */ - rc = select(0, NULL, NULL, NULL, &wait); -#endif - } - else { - /* Note that on some platforms 'timeout' may be modified by select(). - If you need access to the original value save a copy beforehand. */ - rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout); - } - - switch(rc) { - case -1: - /* select error */ - break; - - case 0: - default: - /* timeout or readable/writable sockets */ - curl_multi_perform(multi_handle, &file->still_running); - break; - } - } while(file->still_running && (file->buffer_pos < want)); - return 1; -} - -/* use to remove want bytes from the front of a files buffer */ -static int use_buffer(URL_FILE *file, size_t want) -{ - /* sort out buffer */ - if(file->buffer_pos <= want) { - /* ditch buffer - write will recreate */ - free(file->buffer); - file->buffer = NULL; - file->buffer_pos = 0; - file->buffer_len = 0; - } - else { - /* move rest down make it available for later */ - memmove(file->buffer, - &file->buffer[want], - (file->buffer_pos - want)); - - file->buffer_pos -= want; - } - return 0; -} - -URL_FILE *url_fopen(const char *url, const char *operation) -{ - /* this code could check for URLs or types in the 'url' and - basically use the real fopen() for standard files */ - - URL_FILE *file; - (void)operation; - - file = calloc(1, sizeof(URL_FILE)); - if(!file) - return NULL; - - file->handle.file = fopen(url, operation); - if(file->handle.file) - file->type = CFTYPE_FILE; /* marked as URL */ - - else { - file->type = CFTYPE_CURL; /* marked as URL */ - file->handle.curl = curl_easy_init(); - - curl_easy_setopt(file->handle.curl, CURLOPT_URL, url); - curl_easy_setopt(file->handle.curl, CURLOPT_WRITEDATA, file); - curl_easy_setopt(file->handle.curl, CURLOPT_VERBOSE, 0L); - curl_easy_setopt(file->handle.curl, CURLOPT_WRITEFUNCTION, write_callback); - - if(!multi_handle) - multi_handle = curl_multi_init(); - - curl_multi_add_handle(multi_handle, file->handle.curl); - - /* lets start the fetch */ - curl_multi_perform(multi_handle, &file->still_running); - - if((file->buffer_pos == 0) && (!file->still_running)) { - /* if still_running is 0 now, we should return NULL */ - - /* make sure the easy handle is not in the multi handle anymore */ - curl_multi_remove_handle(multi_handle, file->handle.curl); - - /* cleanup */ - curl_easy_cleanup(file->handle.curl); - - free(file); - - file = NULL; - } - } - return file; -} - -int url_fclose(URL_FILE *file) -{ - int ret = 0;/* default is good return */ - - switch(file->type) { - case CFTYPE_FILE: - ret = fclose(file->handle.file); /* passthrough */ - break; - - case CFTYPE_CURL: - /* make sure the easy handle is not in the multi handle anymore */ - curl_multi_remove_handle(multi_handle, file->handle.curl); - - /* cleanup */ - curl_easy_cleanup(file->handle.curl); - break; - - default: /* unknown or supported type - oh dear */ - ret = EOF; - errno = EBADF; - break; - } - - free(file->buffer);/* free any allocated buffer space */ - free(file); - - return ret; -} - -int url_feof(URL_FILE *file) -{ - int ret = 0; - - switch(file->type) { - case CFTYPE_FILE: - ret = feof(file->handle.file); - break; - - case CFTYPE_CURL: - if((file->buffer_pos == 0) && (!file->still_running)) - ret = 1; - break; - - default: /* unknown or supported type - oh dear */ - ret = -1; - errno = EBADF; - break; - } - return ret; -} - -size_t url_fread(void *ptr, size_t size, size_t nmemb, URL_FILE *file) -{ - size_t want; - - switch(file->type) { - case CFTYPE_FILE: - want = fread(ptr, size, nmemb, file->handle.file); - break; - - case CFTYPE_CURL: - want = nmemb * size; - - fill_buffer(file, want); - - /* check if there's data in the buffer - if not fill_buffer() - * either errored or EOF */ - if(!file->buffer_pos) - return 0; - - /* ensure only available data is considered */ - if(file->buffer_pos < want) - want = file->buffer_pos; - - /* xfer data to caller */ - memcpy(ptr, file->buffer, want); - - use_buffer(file, want); - - want = want / size; /* number of items */ - break; - - default: /* unknown or supported type - oh dear */ - want = 0; - errno = EBADF; - break; - - } - return want; -} - -char *url_fgets(char *ptr, size_t size, URL_FILE *file) -{ - size_t want = size - 1;/* always need to leave room for zero termination */ - size_t loop; - - switch(file->type) { - case CFTYPE_FILE: - ptr = fgets(ptr, (int)size, file->handle.file); - break; - - case CFTYPE_CURL: - fill_buffer(file, want); - - /* check if there's data in the buffer - if not fill either errored or - * EOF */ - if(!file->buffer_pos) - return NULL; - - /* ensure only available data is considered */ - if(file->buffer_pos < want) - want = file->buffer_pos; - - /*buffer contains data */ - /* look for newline or eof */ - for(loop = 0; loop < want; loop++) { - if(file->buffer[loop] == '\n') { - want = loop + 1;/* include newline */ - break; - } - } - - /* xfer data to caller */ - memcpy(ptr, file->buffer, want); - ptr[want] = 0;/* always null terminate */ - - use_buffer(file, want); - - break; - - default: /* unknown or supported type - oh dear */ - ptr = NULL; - errno = EBADF; - break; - } - - return ptr;/*success */ -} - -void url_rewind(URL_FILE *file) -{ - switch(file->type) { - case CFTYPE_FILE: - rewind(file->handle.file); /* passthrough */ - break; - - case CFTYPE_CURL: - /* halt transaction */ - curl_multi_remove_handle(multi_handle, file->handle.curl); - - /* restart */ - curl_multi_add_handle(multi_handle, file->handle.curl); - - /* ditch buffer - write will recreate - resets stream pos*/ - free(file->buffer); - file->buffer = NULL; - file->buffer_pos = 0; - file->buffer_len = 0; - - break; - - default: /* unknown or supported type - oh dear */ - break; - } -} - -#define FGETSFILE "fgets.test" -#define FREADFILE "fread.test" -#define REWINDFILE "rewind.test" - -/* Small main program to retrieve from a url using fgets and fread saving the - * output to two test files (note the fgets method will corrupt binary files if - * they contain 0 chars */ -int main(int argc, char *argv[]) -{ - URL_FILE *handle; - FILE *outf; - - size_t nread; - char buffer[256]; - const char *url; - - if(argc < 2) - url = "http://192.168.7.3/testfile";/* default to testurl */ - else - url = argv[1];/* use passed url */ - - /* copy from url line by line with fgets */ - outf = fopen(FGETSFILE, "wb+"); - if(!outf) { - perror("couldn't open fgets output file\n"); - return 1; - } - - handle = url_fopen(url, "r"); - if(!handle) { - printf("couldn't url_fopen() %s\n", url); - fclose(outf); - return 2; - } - - while(!url_feof(handle)) { - url_fgets(buffer, sizeof(buffer), handle); - fwrite(buffer, 1, strlen(buffer), outf); - } - - url_fclose(handle); - - fclose(outf); - - - /* Copy from url with fread */ - outf = fopen(FREADFILE, "wb+"); - if(!outf) { - perror("couldn't open fread output file\n"); - return 1; - } - - handle = url_fopen("testfile", "r"); - if(!handle) { - printf("couldn't url_fopen() testfile\n"); - fclose(outf); - return 2; - } - - do { - nread = url_fread(buffer, 1, sizeof(buffer), handle); - fwrite(buffer, 1, nread, outf); - } while(nread); - - url_fclose(handle); - - fclose(outf); - - - /* Test rewind */ - outf = fopen(REWINDFILE, "wb+"); - if(!outf) { - perror("couldn't open fread output file\n"); - return 1; - } - - handle = url_fopen("testfile", "r"); - if(!handle) { - printf("couldn't url_fopen() testfile\n"); - fclose(outf); - return 2; - } - - nread = url_fread(buffer, 1, sizeof(buffer), handle); - fwrite(buffer, 1, nread, outf); - url_rewind(handle); - - buffer[0]='\n'; - fwrite(buffer, 1, 1, outf); - - nread = url_fread(buffer, 1, sizeof(buffer), handle); - fwrite(buffer, 1, nread, outf); - - url_fclose(handle); - - fclose(outf); - - return 0;/* all done */ -} diff --git a/docs/examples/rtsp.c b/docs/examples/rtsp.c deleted file mode 100644 index ca6bcfe132..0000000000 --- a/docs/examples/rtsp.c +++ /dev/null @@ -1,291 +0,0 @@ -/* - * Copyright (c) 2011 - 2021, Jim Hollinger - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Jim Hollinger nor the names of its contributors - * may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ -/* - * A basic RTSP transfer - * - */ - -#include -#include -#include - -#if defined (WIN32) -# include /* _getch() */ -#else -# include -# include - -static int _getch(void) -{ - struct termios oldt, newt; - int ch; - tcgetattr(STDIN_FILENO, &oldt); - newt = oldt; - newt.c_lflag &= ~( ICANON | ECHO); - tcsetattr(STDIN_FILENO, TCSANOW, &newt); - ch = getchar(); - tcsetattr(STDIN_FILENO, TCSANOW, &oldt); - return ch; -} -#endif - -#include - -#define VERSION_STR "V1.0" - -/* error handling macros */ -#define my_curl_easy_setopt(A, B, C) \ - do { \ - res = curl_easy_setopt((A), (B), (C)); \ - if(res != CURLE_OK) \ - fprintf(stderr, "curl_easy_setopt(%s, %s, %s) failed: %d\n", \ - #A, #B, #C, res); \ - } while(0) - -#define my_curl_easy_perform(A) \ - do { \ - res = curl_easy_perform(A); \ - if(res != CURLE_OK) \ - fprintf(stderr, "curl_easy_perform(%s) failed: %d\n", #A, res); \ - } while(0) - -/* send RTSP OPTIONS request */ -static void rtsp_options(CURL *curl, const char *uri) -{ - CURLcode res = CURLE_OK; - printf("\nRTSP: OPTIONS %s\n", uri); - my_curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, uri); - my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_OPTIONS); - my_curl_easy_perform(curl); -} - - -/* send RTSP DESCRIBE request and write sdp response to a file */ -static void rtsp_describe(CURL *curl, const char *uri, - const char *sdp_filename) -{ - CURLcode res = CURLE_OK; - FILE *sdp_fp = fopen(sdp_filename, "wb"); - printf("\nRTSP: DESCRIBE %s\n", uri); - if(!sdp_fp) { - fprintf(stderr, "Could not open '%s' for writing\n", sdp_filename); - sdp_fp = stdout; - } - else { - printf("Writing SDP to '%s'\n", sdp_filename); - } - my_curl_easy_setopt(curl, CURLOPT_WRITEDATA, sdp_fp); - my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_DESCRIBE); - my_curl_easy_perform(curl); - my_curl_easy_setopt(curl, CURLOPT_WRITEDATA, stdout); - if(sdp_fp != stdout) { - fclose(sdp_fp); - } -} - -/* send RTSP SETUP request */ -static void rtsp_setup(CURL *curl, const char *uri, const char *transport) -{ - CURLcode res = CURLE_OK; - printf("\nRTSP: SETUP %s\n", uri); - printf(" TRANSPORT %s\n", transport); - my_curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, uri); - my_curl_easy_setopt(curl, CURLOPT_RTSP_TRANSPORT, transport); - my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_SETUP); - my_curl_easy_perform(curl); -} - - -/* send RTSP PLAY request */ -static void rtsp_play(CURL *curl, const char *uri, const char *range) -{ - CURLcode res = CURLE_OK; - printf("\nRTSP: PLAY %s\n", uri); - my_curl_easy_setopt(curl, CURLOPT_RTSP_STREAM_URI, uri); - my_curl_easy_setopt(curl, CURLOPT_RANGE, range); - my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_PLAY); - my_curl_easy_perform(curl); - - /* switch off using range again */ - my_curl_easy_setopt(curl, CURLOPT_RANGE, NULL); -} - - -/* send RTSP TEARDOWN request */ -static void rtsp_teardown(CURL *curl, const char *uri) -{ - CURLcode res = CURLE_OK; - printf("\nRTSP: TEARDOWN %s\n", uri); - my_curl_easy_setopt(curl, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_TEARDOWN); - my_curl_easy_perform(curl); -} - - -/* convert url into an sdp filename */ -static void get_sdp_filename(const char *url, char *sdp_filename, - size_t namelen) -{ - const char *s = strrchr(url, '/'); - strcpy(sdp_filename, "video.sdp"); - if(s) { - s++; - if(s[0] != '\0') { - snprintf(sdp_filename, namelen, "%s.sdp", s); - } - } -} - - -/* scan sdp file for media control attribute */ -static void get_media_control_attribute(const char *sdp_filename, - char *control) -{ - int max_len = 256; - char *s = malloc(max_len); - FILE *sdp_fp = fopen(sdp_filename, "rb"); - control[0] = '\0'; - if(sdp_fp) { - while(fgets(s, max_len - 2, sdp_fp)) { - sscanf(s, " a = control: %32s", control); - } - fclose(sdp_fp); - } - free(s); -} - - -/* main app */ -int main(int argc, char * const argv[]) -{ -#if 1 - const char *transport = "RTP/AVP;unicast;client_port=1234-1235"; /* UDP */ -#else - /* TCP */ - const char *transport = "RTP/AVP/TCP;unicast;client_port=1234-1235"; -#endif - const char *range = "0.000-"; - int rc = EXIT_SUCCESS; - char *base_name = NULL; - - printf("\nRTSP request %s\n", VERSION_STR); - printf(" Project website: " - "https://github.com/BackupGGCode/rtsprequest\n"); - printf(" Requires curl V7.20 or greater\n\n"); - - /* check command line */ - if((argc != 2) && (argc != 3)) { - base_name = strrchr(argv[0], '/'); - if(!base_name) { - base_name = strrchr(argv[0], '\\'); - } - if(!base_name) { - base_name = argv[0]; - } - else { - base_name++; - } - printf("Usage: %s url [transport]\n", base_name); - printf(" url of video server\n"); - printf(" transport (optional) specifier for media stream" - " protocol\n"); - printf(" default transport: %s\n", transport); - printf("Example: %s rtsp://192.168.0.2/media/video1\n\n", base_name); - rc = EXIT_FAILURE; - } - else { - const char *url = argv[1]; - char *uri = malloc(strlen(url) + 32); - char *sdp_filename = malloc(strlen(url) + 32); - char *control = malloc(strlen(url) + 32); - CURLcode res; - get_sdp_filename(url, sdp_filename, strlen(url) + 32); - if(argc == 3) { - transport = argv[2]; - } - - /* initialize curl */ - res = curl_global_init(CURL_GLOBAL_ALL); - if(res == CURLE_OK) { - curl_version_info_data *data = curl_version_info(CURLVERSION_NOW); - CURL *curl; - fprintf(stderr, " curl V%s loaded\n", data->version); - - /* initialize this curl session */ - curl = curl_easy_init(); - if(curl) { - my_curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L); - my_curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1L); - my_curl_easy_setopt(curl, CURLOPT_HEADERDATA, stdout); - my_curl_easy_setopt(curl, CURLOPT_URL, url); - - /* request server options */ - snprintf(uri, strlen(url) + 32, "%s", url); - rtsp_options(curl, uri); - - /* request session description and write response to sdp file */ - rtsp_describe(curl, uri, sdp_filename); - - /* get media control attribute from sdp file */ - get_media_control_attribute(sdp_filename, control); - - /* setup media stream */ - snprintf(uri, strlen(url) + 32, "%s/%s", url, control); - rtsp_setup(curl, uri, transport); - - /* start playing media stream */ - snprintf(uri, strlen(url) + 32, "%s/", url); - rtsp_play(curl, uri, range); - printf("Playing video, press any key to stop ..."); - _getch(); - printf("\n"); - - /* teardown session */ - rtsp_teardown(curl, uri); - - /* cleanup */ - curl_easy_cleanup(curl); - curl = NULL; - } - else { - fprintf(stderr, "curl_easy_init() failed\n"); - } - curl_global_cleanup(); - } - else { - fprintf(stderr, "curl_global_init(%s) failed: %d\n", - "CURL_GLOBAL_ALL", res); - } - free(control); - free(sdp_filename); - free(uri); - } - - return rc; -}