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authorMichael Niedermayer <michaelni@gmx.at>2008-09-30 01:45:53 +0000
committerMichael Niedermayer <michaelni@gmx.at>2008-09-30 01:45:53 +0000
commitae4ffe9f643bb9f0d5f158dca39c468dd5994adf (patch)
treef9a17f3c678f5d6a581f8c73a001d0439994e452 /libavcodec/utils.c
parent503bc4026d73a2e02f472b166aa068176859e376 (diff)
Allocate 1 line more in the chroma plane for H.264, this avoids some
out of array reads with mmx/sse2 code. Fixes issue327. Originally committed as revision 15467 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/utils.c')
-rw-r--r--libavcodec/utils.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 66122a5c9f..cf40681759 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -170,6 +170,8 @@ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
*width = ALIGN(*width , w_align);
*height= ALIGN(*height, h_align);
+ if(s->codec_id == CODEC_ID_H264)
+ *height+=2; // some of the optimized chroma MC reads one line too much
}
int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){