47 #define RTCP_SR_SIZE 28
156 if (frame_size == 0) {
173 switch(st->codec->codec_id) {
176 s->buf_ptr = s->buf + 4;
190 if (st->codec->extradata_size > 4 && st->codec->extradata[0] == 1) {
191 s->nal_length_size = (st->codec->extradata[4] & 0x03) + 1;
196 if (!s->max_frames_per_packet) s->max_frames_per_packet = 15;
197 s->max_frames_per_packet = av_clip(s->max_frames_per_packet, 1, 15);
198 s->max_payload_size -= 6;
207 if (st->codec->channels > 2) {
217 if (st->codec->block_align != 38 && st->codec->block_align != 50) {
221 if (!s->max_frames_per_packet)
222 s->max_frames_per_packet = 1;
223 s->max_frames_per_packet =
FFMIN(s->max_frames_per_packet,
224 s->max_payload_size / st->codec->block_align);
228 if (!s->max_frames_per_packet)
229 s->max_frames_per_packet = 12;
235 if (1 + s->max_frames_per_packet + n > s->max_payload_size) {
239 if (st->codec->channels != 1) {
271 s1->streams[0]->time_base) + s->base_timestamp;
282 int len =
FFMIN(strlen(s->cname), 255);
292 for (len = (7 + len) % 4; len % 4; len++)
312 av_dlog(s1,
"rtp_send_data size=%d\n", len);
324 s->
seq = (s->
seq + 1) & 0xffff;
332 const uint8_t *buf1,
int size,
int sample_size_bits)
335 int len, max_packet_size, n;
337 int aligned_samples_size = sample_size_bits/
av_gcd(sample_size_bits, 8);
339 max_packet_size = (s->
max_payload_size / aligned_samples_size) * aligned_samples_size;
341 if ((sample_size_bits % 8) == 0 && ((8 *
size) % sample_size_bits) != 0)
346 len =
FFMIN(max_packet_size, size);
364 int len, count, max_packet_size;
370 if ((len + size) > max_packet_size) {
381 if (size > max_packet_size) {
385 len = max_packet_size - 4;
391 s->
buf[2] = count >> 8;
393 memcpy(s->
buf + 4, buf1, len);
407 memcpy(s->
buf_ptr, buf1, size);
416 int len, max_packet_size;
421 len = max_packet_size;
440 while (size >= TS_PACKET_SIZE) {
472 memcpy(s->
buf_ptr, buf, n * frame_size);
553 int mb_info_size = 0;
580 "Packet size %d too large for max RTP payload size %d\n",
615 .priv_class = &rtp_muxer_class,