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coded line size is a multiple of 4
Originally committed as revision 6844 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -177,7 +177,8 @@ static int bmp_decode_frame(AVCodecContext *avctx,
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buf += hsize;
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dsize = buf_size - hsize;
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n = avctx->width * (depth / 8);
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/* Line size in file multiple of 4 */
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n = (avctx->width * (depth / 8) + 3) & ~3;
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if(n * avctx->height > dsize){
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av_log(avctx, AV_LOG_ERROR, "not enough data (%d < %d)\n",
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