48 #define RTCP_SR_SIZE 28
150 if (frame_size == 0) {
167 switch(st->codec->codec_id) {
170 s->buf_ptr = s->buf + 4;
184 if (st->codec->extradata_size > 4 && st->codec->extradata[0] == 1) {
185 s->nal_length_size = (st->codec->extradata[4] & 0x03) + 1;
190 if (!s->max_frames_per_packet) s->max_frames_per_packet = 15;
191 s->max_frames_per_packet = av_clip(s->max_frames_per_packet, 1, 15);
192 s->max_payload_size -= 6;
201 if (st->codec->channels > 2) {
211 if (st->codec->block_align != 38 && st->codec->block_align != 50) {
215 if (!s->max_frames_per_packet)
216 s->max_frames_per_packet = 1;
217 s->max_frames_per_packet =
FFMIN(s->max_frames_per_packet,
218 s->max_payload_size / st->codec->block_align);
222 if (!s->max_frames_per_packet)
223 s->max_frames_per_packet = 12;
229 if (1 + s->max_frames_per_packet + n > s->max_payload_size) {
233 if (st->codec->channels != 1) {
265 s1->streams[0]->time_base) + s->base_timestamp;
271 avio_wb32(
s1->pb, ((ntp_time % 1000000) << 32) / 1000000);
277 int len =
FFMIN(strlen(s->cname), 255);
287 for (len = (7 + len) % 4; len % 4; len++)
300 av_dlog(s1,
"rtp_send_data size=%d\n", len);
320 const uint8_t *buf1,
int size,
int sample_size_bits)
323 int len, max_packet_size, n;
325 int aligned_samples_size = sample_size_bits/
av_gcd(sample_size_bits, 8);
327 max_packet_size = (s->
max_payload_size / aligned_samples_size) * aligned_samples_size;
329 if ((sample_size_bits % 8) == 0 && ((8 *
size) % sample_size_bits) != 0)
334 len =
FFMIN(max_packet_size, size);
352 int len, count, max_packet_size;
358 if ((len + size) > max_packet_size) {
369 if (size > max_packet_size) {
373 len = max_packet_size - 4;
379 s->
buf[2] = count >> 8;
381 memcpy(s->
buf + 4, buf1, len);
395 memcpy(s->
buf_ptr, buf1, size);
404 int len, max_packet_size;
409 len = max_packet_size;
428 while (size >= TS_PACKET_SIZE) {
460 memcpy(s->
buf_ptr, buf, n * frame_size);
541 int mb_info_size = 0;
568 "Packet size %d too large for max RTP payload size %d\n",
599 .priv_class = &rtp_muxer_class,