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-rw-r--r--libavcodec/utils.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index f39b49d..7a24a4d 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -144,6 +144,8 @@ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
case PIX_FMT_YUVA420P:
w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
h_align= 16;
+ if(s->codec_id == CODEC_ID_MPEG2VIDEO)
+ h_align= 32; // interlaced is rounded up to 2 MBs
break;
case PIX_FMT_YUV411P:
case PIX_FMT_UYYVYY411:
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