[FFmpeg-devel] [PATCH] yuv4mpeg: correctly handle chroma for odd luma sizes.

[Ronald S. Bultje]

From: "Ronald S. Bultje" <rsbultje at gmail.com>

---
 libavformat/yuv4mpeg.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/yuv4mpeg.c b/libavformat/yuv4mpeg.c
index bf48230..bac6664 100644
--- a/libavformat/yuv4mpeg.c
+++ b/libavformat/yuv4mpeg.c
@@ -217,8 +217,8 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
         // Adjust for smaller Cb and Cr planes
         av_pix_fmt_get_chroma_sub_sample(st->codec->pix_fmt, &h_chroma_shift,
                                          &v_chroma_shift);
-        width  >>= h_chroma_shift;
-        height >>= v_chroma_shift;
+        width  = -((-width)  >> h_chroma_shift);
+        height = -((-height) >> v_chroma_shift);
 
         ptr1 = picture->data[1];
         ptr2 = picture->data[2];
-- 
1.8.0