From ae4ffe9f643bb9f0d5f158dca39c468dd5994adf Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 30 Sep 2008 01:45:53 +0000 Subject: [PATCH] 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 --- libavcodec/utils.c | 2 ++ 1 file changed, 2 insertions(+) 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){ -- GitLab