On Thu, Aug 06, 2020 at 01:33:58AM +0200, Andreas Rheinhardt wrote: > It leads to an assert in ff_read_packet(). > > Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com> > --- > libavformat/sierravmd.c | 4 ++++ > 1 file changed, 4 insertions(+) > > 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;
probably ok thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB "I am not trying to be anyone's saviour, I'm trying to think about the future and not be sad" - Elon Musk
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