/* Calculate width and height if missing from header */
- if(!mtv->img_width)
+ if(mtv->img_bpp>>3){
+ if(!mtv->img_width && mtv->img_height)
mtv->img_width=mtv->img_segment_size / (mtv->img_bpp>>3)
/ mtv->img_height;
- if(!mtv->img_height)
+ if(!mtv->img_height && mtv->img_width)
mtv->img_height=mtv->img_segment_size / (mtv->img_bpp>>3)
/ mtv->img_width;
+ }
+ if(!mtv->img_height || !mtv->img_width){
+ av_log(s, AV_LOG_ERROR, "width or height is invalid and I cannot calculate them from other information\n");
+ return AVERROR(EINVAL);
+ }
avio_skip(pb, 4);
audio_subsegments = avio_rl16(pb);
+ if(!audio_subsegments){
+ av_log(s, AV_LOG_ERROR, "audio_subsegments is 0\n");
+ return AVERROR(EINVAL);
+ }
mtv->full_segment_size =
audio_subsegments * (MTV_AUDIO_PADDING_SIZE + MTV_ASUBCHUNK_DATA_SIZE) +
mtv->img_segment_size;