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avformat/mpegts: check avio_tell() return code before using it 

Fixes Ticket2962

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-26 16:43:55 +02:00
parent e024953722
commit 5dc6c0ea9e
1 changed files with 4 additions and 2 deletions
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6
libavformat/mpegts.c
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@ -1862,8 +1862,10 @@ static int handle_packet(MpegTSContext *ts, const uint8_t *packet)
return 0;
pos = avio_tell(ts->stream->pb);
av_assert0(pos >= TS_PACKET_SIZE);
ts->pos47_full = pos - TS_PACKET_SIZE;
if (pos >= 0) {
av_assert0(pos >= TS_PACKET_SIZE);
ts->pos47_full = pos - TS_PACKET_SIZE;
}
if (tss->type == MPEGTS_SECTION) {
if (is_start) {