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Calculate line size correctly for bit depths < 8

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Originally committed as revision 15388 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2008-09-23 08:32:18 +00:00
parent 26d3e4d3ab
commit a79cae798a
1 changed files with 1 additions and 1 deletions
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libavcodec/bmp.c
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@ -175,7 +175,7 @@ static int bmp_decode_frame(AVCodecContext *avctx,
dsize = buf_size - hsize;
/* Line size in file multiple of 4 */
n = (avctx->width * (depth / 8) + 3) & ~3;
n = ((avctx->width * depth) / 8 + 3) & ~3;
if(n * avctx->height > dsize){
av_log(avctx, AV_LOG_ERROR, "not enough data (%d < %d)\n",