diff options
Diffstat (limited to 'libavformat/mtv.c')
| -rw-r--r-- | libavformat/mtv.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libavformat/mtv.c b/libavformat/mtv.c index 5a7f0477ff..7ad7618434 100644 --- a/libavformat/mtv.c +++ b/libavformat/mtv.c @@ -96,14 +96,17 @@ static int mtv_read_header(AVFormatContext *s) /* Calculate width and height if missing from header */ - if(!mtv->img_width) + if (!mtv->img_width && mtv->img_height > 0 && mtv->img_bpp >= 8) 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 > 0 && mtv->img_bpp >= 8) mtv->img_height=mtv->img_segment_size / (mtv->img_bpp>>3) / mtv->img_width; + if (!mtv->img_width || !mtv->img_height) + return AVERROR_INVALIDDATA; + avio_skip(pb, 4); audio_subsegments = avio_rl16(pb); |