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authorMichael Niedermayer <michaelni@gmx.at>2013-11-18 16:38:12 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-11-18 16:38:12 +0100
commit7d0e927a31edb5fb584c2ab17f7fd676838d6639 (patch)
treecfac3ae4cc879b3125d5d4e247d1f3844ec5b3c4 /libavformat
parentcbefb3d9098bd8c7bcac890e4e99de602f09c5bc (diff)
avformat/mpegts: fix resync seek
The seek ended up seeking before the begin, which caused problems Fixes initial sync issues with libbluray Fixes Ticket3117 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat')
-rw-r--r--libavformat/mpegts.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index e73209cdb3..59b0058074 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -1993,7 +1993,9 @@ static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size, co
/* check packet sync byte */
if ((*data)[0] != 0x47) {
/* find a new packet start */
- avio_seek(pb, -raw_packet_size, SEEK_CUR);
+ uint64_t pos = avio_tell(pb);
+ avio_seek(pb, -FFMIN(raw_packet_size, pos), SEEK_CUR);
+
if (mpegts_resync(s) < 0)
return AVERROR(EAGAIN);
else