Round correctly chroma picture height.

Fix issue 956. Originally committed as revision 22223 to svn://svn.ffmpeg.org/ffmpeg/trunk

Round correctly chroma picture height.
Fix issue 956. Originally committed as revision 22223 to svn://svn.ffmpeg.org/ffmpeg/trunk
09ab8859 · Vitor Sessak · 5301a05d · 09ab8859
Commit 09ab8859 authored Mar 05, 2010 by Vitor Sessak
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Showing with 2 additions and 2 deletions

imgconvert.c libavcodec/imgconvert.c +2 -2

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--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -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) {