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mpegts: use ffio_ensure_seekback()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2013-06-30 18:18:48 +02:00
parent 186ec17843
commit 8a8d9a7385
1 changed files with 2 additions and 0 deletions
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libavformat/mpegts.c
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@ -2003,6 +2003,8 @@ static int mpegts_read_header(AVFormatContext *s)
int len; int len;
int64_t pos; int64_t pos;
ffio_ensure_seekback(pb, s->probesize);
/* read the first 8192 bytes to get packet size */ /* read the first 8192 bytes to get packet size */
pos = avio_tell(pb); pos = avio_tell(pb);
len = avio_read(pb, buf, sizeof(buf)); len = avio_read(pb, buf, sizeof(buf));