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avformat/mpegts: resync from the smallest packet size on

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This avoids the loss of a packet in many cases if the packet size was wrong.
It also improves detection of packet size changes

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-08-18 22:59:04 +02:00
parent b4429c259a
commit d73cbc22c5
1 changed files with 1 additions and 1 deletions
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2
libavformat/mpegts.c
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@@ -1974,7 +1974,7 @@ static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size, co
/* check packet sync byte */ /* check packet sync byte */
if ((*data)[0] != 0x47) { if ((*data)[0] != 0x47) {
/* find a new packet start */ /* find a new packet start */
avio_seek(pb, -TS_PACKET_SIZE, SEEK_CUR); avio_seek(pb, -raw_packet_size, SEEK_CUR);
if (mpegts_resync(s) < 0) if (mpegts_resync(s) < 0)
return AVERROR(EAGAIN); return AVERROR(EAGAIN);
else else