[FFmpeg-devel] [PATCH]Fix linesize for bmp with bitdepth<8
Carl Eugen Hoyos
cehoyos at ag.or.at
Thu Dec 15 16:05:59 CET 2011
Hi!
Attached patch fixes ticket #751 for me.
Please review, Carl Eugen
-------------- next part --------------
diff --git a/libavcodec/bmp.c b/libavcodec/bmp.c
index e97f6ed..419c3fa 100644
--- a/libavcodec/bmp.c
+++ b/libavcodec/bmp.c
@@ -206,7 +206,7 @@ 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 + 31) / 8) & ~3;
if(n * avctx->height > dsize && comp != BMP_RLE4 && comp != BMP_RLE8){
av_log(avctx, AV_LOG_ERROR, "not enough data (%d < %d)\n",
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