47 #define RTCP_SR_SIZE 28
148 if (s->
buf == NULL) {
159 if (frame_size == 0) {
181 switch(st->codec->codec_id) {
184 s->buf_ptr =
s->buf + 4;
198 if (st->codec->extradata_size > 4 && st->codec->extradata[0] == 1) {
199 s->nal_length_size = (st->codec->extradata[4] & 0x03) + 1;
204 if (!
s->max_frames_per_packet)
s->max_frames_per_packet = 15;
205 s->max_frames_per_packet = av_clip(
s->max_frames_per_packet, 1, 15);
206 s->max_payload_size -= 6;
215 if (st->codec->channels > 2) {
225 if (st->codec->block_align != 38 && st->codec->block_align != 50) {
229 if (!
s->max_frames_per_packet)
230 s->max_frames_per_packet = 1;
231 s->max_frames_per_packet =
FFMIN(
s->max_frames_per_packet,
232 s->max_payload_size / st->codec->block_align);
236 if (!
s->max_frames_per_packet)
237 s->max_frames_per_packet = 12;
243 if (1 +
s->max_frames_per_packet +
n >
s->max_payload_size) {
247 if (st->codec->channels != 1) {
279 s1->streams[0]->time_base) +
s->base_timestamp;
300 for (len = (7 + len) % 4; len % 4; len++)
320 av_dlog(s1,
"rtp_send_data size=%d\n", len);
332 s->
seq = (s->
seq + 1) & 0xffff;
340 const uint8_t *buf1,
int size,
int sample_size_bits)
343 int len, max_packet_size,
n;
345 int aligned_samples_size = sample_size_bits/
av_gcd(sample_size_bits, 8);
347 max_packet_size = (s->
max_payload_size / aligned_samples_size) * aligned_samples_size;
349 if ((sample_size_bits % 8) == 0 && ((8 *
size) % sample_size_bits) != 0)
354 len =
FFMIN(max_packet_size, size);
378 if ((len + size) > max_packet_size) {
389 if (size > max_packet_size) {
393 len = max_packet_size - 4;
399 s->
buf[2] = count >> 8;
401 memcpy(s->
buf + 4, buf1, len);
415 memcpy(s->
buf_ptr, buf1, size);
424 int len, max_packet_size;
429 len = max_packet_size;
448 while (size >= TS_PACKET_SIZE) {
480 memcpy(s->
buf_ptr, buf, n * frame_size);
561 int mb_info_size = 0;
592 "Packet size %d too large for max RTP payload size %d\n",
627 .priv_class = &rtp_muxer_class,