diff options
| author | Andreas Rheinhardt | 2020-08-06 01:21:38 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt | 2020-08-09 19:07:23 +0200 |
| commit | ea8f8d28d096827636f518b6074d31fc472d03c6 (patch) | |
| tree | 73ddb69851ee27fb68f9fd7a0ea64449b2489874 | |
| parent | c4a4fe938d435de9e9126d7e151fc370a6f5ee72 (diff) | |
avformat/sierravmd: Don't return packets for non-existing stream
It leads to an assert in ff_read_packet().
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
| -rw-r--r-- | libavformat/sierravmd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/sierravmd.c b/libavformat/sierravmd.c index 531fc41531..40bcb77986 100644 --- a/libavformat/sierravmd.c +++ b/libavformat/sierravmd.c @@ -174,6 +174,8 @@ static int vmd_read_header(AVFormatContext *s) avpriv_set_pts_info(vst, 33, num, den); avpriv_set_pts_info(st, 33, num, den); } + if (!s->nb_streams) + return AVERROR_INVALIDDATA; toc_offset = AV_RL32(&vmd->vmd_header[812]); vmd->frame_count = AV_RL16(&vmd->vmd_header[6]); @@ -241,6 +243,8 @@ static int vmd_read_header(AVFormatContext *s) current_audio_pts++; break; case 2: /* Video Chunk */ + if (!vst) + break; vmd->frame_table[total_frames].frame_offset = current_offset; vmd->frame_table[total_frames].stream_index = vmd->video_stream_index; vmd->frame_table[total_frames].frame_size = size; |