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vqavideo: check for invalid/unsupported version

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit b226af3910)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Laurent Aimar 2011-10-08 23:40:39 +02:00 committed by Michael Niedermayer
parent 5415c488f9
commit 2fdbc1d553
1 changed files with 4 additions and 0 deletions
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4
libavcodec/vqavideo.c
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@ -138,6 +138,10 @@ static av_cold int vqa_decode_init(AVCodecContext *avctx)
/* load up the VQA parameters from the header */
vqa_header = (unsigned char *)s->avctx->extradata;
s->vqa_version = vqa_header[0];
if (s->vqa_version < 1 || s->vqa_version > 3) {
av_log(s->avctx, AV_LOG_ERROR, " VQA video: unsupported version %d\n", s->vqa_version);
return -1;
}
s->width = AV_RL16(&vqa_header[6]);
s->height = AV_RL16(&vqa_header[8]);
if(av_image_check_size(s->width, s->height, 0, avctx)){