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escape130: Check dimensions to be a multiple of the block size.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-12-08 13:38:13 +01:00
parent 8ac6469575
commit 59d3656f6e
1 changed files with 5 additions and 0 deletions
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5
libavcodec/escape130.c
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@ -43,6 +43,11 @@ static av_cold int escape130_decode_init(AVCodecContext *avctx)
Escape130Context *s = avctx->priv_data;
avctx->pix_fmt = PIX_FMT_YUV420P;
if((avctx->width&1) || (avctx->height&1)){
av_log(avctx, AV_LOG_ERROR, "Dimensions are not a multiple of the block size\n");
return AVERROR(EINVAL);
}
s->bases= av_malloc(avctx->width * avctx->height /4);
return 0;