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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-07-20 02:10:40 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-07-20 02:11:49 +0200 |
| commit | bf1fd59c6a22854ddc601f3125ff55ba5f82ad24 (patch) | |
| tree | 5ade412e289a25b95725e511746177311df418f4 /libavformat/avidec.c | |
| parent | 749f85496ccff345ec811976ce45ec9e1900e9a8 (diff) | |
avformat/avidec: Fix demuxing avi with broken index
Fixes: genio-avi
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/avidec.c')
| -rw-r--r-- | libavformat/avidec.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 73d1d166ea..2f637225e9 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -1681,9 +1681,13 @@ static int guess_ni_flag(AVFormatContext *s) if (n >= 2) { int64_t pos = st->index_entries[0].pos; - avio_seek(s->pb, pos + 4, SEEK_SET); + unsigned tag[2]; + avio_seek(s->pb, pos, SEEK_SET); + tag[0] = avio_r8(s->pb); + tag[1] = avio_r8(s->pb); + avio_rl16(s->pb); size = avio_rl32(s->pb); - if (pos + size > st->index_entries[1].pos) + if (get_stream_idx(tag) == i && pos + size > st->index_entries[1].pos) last_start = INT64_MAX; } |