Correctly increment continuity_counter in PCR packets.

Patch by Yann Coupin, yann.coupin+ffmpeg gmail

Originally committed as revision 22020 to svn://svn.ffmpeg.org/ffmpeg/trunk
release/0.6
Yann Coupin 15 years ago committed by Carl Eugen Hoyos
parent 6538c0f1c6
commit 8d819221db
  1. 8
      libavformat/mpegtsenc.c
  2. 4
      tests/ref/lavf/ts

@ -89,8 +89,8 @@ static void mpegts_write_section(MpegTSSection *s, uint8_t *buf, int len)
b |= 0x40;
*q++ = b;
*q++ = s->pid;
*q++ = 0x10 | s->cc;
s->cc = (s->cc + 1) & 0xf;
*q++ = 0x10 | s->cc;
if (first)
*q++ = 0; /* 0 offset */
len1 = TS_PACKET_SIZE - (q - packet);
@ -399,12 +399,12 @@ static int mpegts_write_header(AVFormatContext *s)
service->pmt.opaque = s;
ts->pat.pid = PAT_PID;
ts->pat.cc = 0;
ts->pat.cc = 15; // Initialize at 15 so that it wraps and be equal to 0 for the first packet we write
ts->pat.write_packet = section_write_packet;
ts->pat.opaque = s;
ts->sdt.pid = SDT_PID;
ts->sdt.cc = 0;
ts->sdt.cc = 15;
ts->sdt.write_packet = section_write_packet;
ts->sdt.opaque = s;
@ -647,8 +647,8 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st,
val |= 0x40;
*q++ = val;
*q++ = ts_st->pid;
*q++ = 0x10 | ts_st->cc | (write_pcr ? 0x20 : 0);
ts_st->cc = (ts_st->cc + 1) & 0xf;
*q++ = 0x10 | ts_st->cc | (write_pcr ? 0x20 : 0);
if (write_pcr) {
// add 11, pcr references the last byte of program clock reference base
pcr = ts->cur_pcr + (4+7)*8*90000LL / ts->mux_rate;

@ -1,3 +1,3 @@
a1a799fe07b3b9944aad8455a9706c5f *./tests/data/b-lavf.ts
430144 ./tests/data/b-lavf.ts
3ecdc566c525d58bc287ce1baffd9407 *./tests/data/b-lavf.ts
430144 ./tests/data/b-lavf.ts
./tests/data/b-lavf.ts CRC=0x133216c1

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