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| author | Joakim Plate <elupus@ecce.se> | 2012-02-03 19:13:45 +0000 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-02-10 15:27:50 -0500 |
| commit | b69c2e0e6dab87bb90fece1d0de47c28394aa8e6 (patch) | |
| tree | ef39f3e548496c341dcdfbab6fdeeec186fa9c90 /libavformat/yop.c | |
| parent | e54165aa392322bbeeb823fc33a17336e465b7b5 (diff) | |
| download | ffmpeg-b69c2e0e6dab87bb90fece1d0de47c28394aa8e6.tar.gz | |
yop: Check return value of avio_seek and avoid modifying state if it fails
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
Diffstat (limited to 'libavformat/yop.c')
| -rw-r--r-- | libavformat/yop.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavformat/yop.c b/libavformat/yop.c index e50025970d..f10d8b6d39 100644 --- a/libavformat/yop.c +++ b/libavformat/yop.c @@ -184,8 +184,6 @@ static int yop_read_seek(AVFormatContext *s, int stream_index, int64_t frame_pos, pos_min, pos_max; int frame_count; - av_free_packet(&yop->video_packet); - if (!stream_index) return -1; @@ -196,9 +194,13 @@ static int yop_read_seek(AVFormatContext *s, int stream_index, timestamp = FFMAX(0, FFMIN(frame_count, timestamp)); frame_pos = timestamp * yop->frame_size + pos_min; + + if (avio_seek(s->pb, frame_pos, SEEK_SET) < 0) + return -1; + + av_free_packet(&yop->video_packet); yop->odd_frame = timestamp & 1; - avio_seek(s->pb, frame_pos, SEEK_SET); return 0; } |