Fix -lowres with ffplay.

Patch by Anatoly Nenashev, anatoly d nenashev a ovsoft d ru

Originally committed as revision 26057 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 69d333eabcfcd4c5992760aa7a62fe39159bf900..d82f5891818ae40c2b89b8e34ccfac1eb5fc0df4 100644 (file)
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -185,8 +185,9 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int l
 
     *width = FFALIGN(*width , w_align);
     *height= FFALIGN(*height, h_align);
-    if(s->codec_id == CODEC_ID_H264)
+    if(s->codec_id == CODEC_ID_H264 || s->lowres)
         *height+=2; // some of the optimized chroma MC reads one line too much
+                    // which is also done in mpeg decoders with lowres > 0
 
     linesize_align[0] =
     linesize_align[1] =