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-rw-r--r--libavformat/mpegts.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 0833d62ea5..a065c61c40 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -2881,15 +2881,16 @@ static int mpegts_resync(AVFormatContext *s, int seekback, const uint8_t *curren
AVIOContext *pb = s->pb;
int c, i;
uint64_t pos = avio_tell(pb);
-
- avio_seek(pb, -FFMIN(seekback, pos), SEEK_CUR);
+ int64_t back = FFMIN(seekback, pos);
//Special case for files like 01c56b0dc1.ts
if (current_packet[0] == 0x80 && current_packet[12] == 0x47) {
- avio_seek(pb, 12, SEEK_CUR);
+ avio_seek(pb, 12 - back, SEEK_CUR);
return 0;
}
+ avio_seek(pb, -back, SEEK_CUR);
+
for (i = 0; i < ts->resync_size; i++) {
c = avio_r8(pb);
if (avio_feof(pb))