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Round correctly chroma picture height.

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Fix issue 956.

Originally committed as revision 22223 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2010-03-05 20:04:24 +00:00
parent 5301a05d3e
commit 09ab885975
1 changed files with 2 additions and 2 deletions
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4
libavcodec/imgconvert.c
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@ -760,8 +760,8 @@ int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width,
for (i=0; i<data_planes; i++) {
if (i == 1) {
w = ((width >> desc->log2_chroma_w) * pf->depth + 7) / 8;
h = height >> desc->log2_chroma_h;
w = (- ((-width) >> desc->log2_chroma_w) * pf->depth + 7) / 8;
h = -((-height) >> desc->log2_chroma_h);
if (pix_fmt == PIX_FMT_NV12 || pix_fmt == PIX_FMT_NV21)
w <<= 1;
} else if (i == 3) {