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make mpegts_get_pcr resync if it's not on a valid mpegts packet

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elupus 2008-08-27 20:44:16 +02:00 committed by Michael Niedermayer
parent 6214266362
commit 9fa47cb773
1 changed files with 6 additions and 0 deletions
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6
libavformat/mpegts.c
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@ -1724,6 +1724,12 @@ static int64_t mpegts_get_pcr(AVFormatContext *s, int stream_index,
return AV_NOPTS_VALUE; return AV_NOPTS_VALUE;
if (avio_read(s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE) if (avio_read(s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
return AV_NOPTS_VALUE; return AV_NOPTS_VALUE;
if (buf[0] != 0x47) {
if (mpegts_resync(s->pb) < 0)
return AV_NOPTS_VALUE;
pos = url_ftell(s->pb);
continue;
}
if ((pcr_pid < 0 || (AV_RB16(buf + 1) & 0x1fff) == pcr_pid) && if ((pcr_pid < 0 || (AV_RB16(buf + 1) & 0x1fff) == pcr_pid) &&
parse_pcr(&timestamp, &pcr_l, buf) == 0) { parse_pcr(&timestamp, &pcr_l, buf) == 0) {
*ppos = pos; *ppos = pos;