Lines Matching refs:buff
46 static void sdp_write_address(char *buff, int size, const char *dest_addr, int ttl)
50 av_strlcatf(buff, size, "c=IN IP4 %s/%d\r\n", dest_addr, ttl);
52 av_strlcatf(buff, size, "c=IN IP4 %s\r\n", dest_addr);
57 static void sdp_write_header(char *buff, int size, struct sdp_session_level *s)
59 av_strlcatf(buff, size, "v=%d\r\n"
68 sdp_write_address(buff, size, s->dst_addr, s->ttl);
81 char buff[64];
82 int is_multicast = find_info_tag(buff, sizeof(buff), "multicast", p);
85 if (find_info_tag(buff, sizeof(buff), "ttl", p)) {
86 *ttl = strtol(buff, NULL, 10);
160 static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c, int payload_type)
169 av_strlcatf(buff, size, "a=rtpmap:%d H264/90000\r\n"
178 av_strlcatf(buff, size, "a=rtpmap:%d MP4V-ES/90000\r\n"
196 av_strlcatf(buff, size, "a=rtpmap:%d MPEG4-GENERIC/%d/%d\r\n"
205 av_strlcatf(buff, size, "a=rtpmap:%d L16/%d/%d\r\n",
211 av_strlcatf(buff, size, "a=rtpmap:%d PCMU/%d/%d\r\n",
217 av_strlcatf(buff, size, "a=rtpmap:%d PCMA/%d/%d\r\n",
228 return buff;
231 static void sdp_write_media(char *buff, int size, AVCodecContext *c, const char *dest_addr, int port, int ttl)
248 av_strlcatf(buff, size, "m=%s %d RTP/AVP %d\r\n", type, port, payload_type);
249 sdp_write_address(buff, size, dest_addr, ttl);
251 av_strlcatf(buff, size, "b=AS:%d\r\n", c->bit_rate / 1000);
254 sdp_write_media_attributes(buff, size, c, payload_type);
257 int avf_sdp_create(AVFormatContext *ac[], int n_files, char *buff, int size)
264 memset(buff, 0, size);
279 sdp_write_header(buff, size, &s);
287 sdp_write_media(buff, size,
291 av_strlcatf(buff, size,
300 int avf_sdp_create(AVFormatContext *ac[], int n_files, char *buff, int size)