Fix width computation for nv12/nv21 in ff_get_plane_bytewidth().

Originally committed as revision 23507 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fix width computation for nv12/nv21 in ff_get_plane_bytewidth().
Originally committed as revision 23507 to svn://svn.ffmpeg.org/ffmpeg/trunk
2839c56e · Stefano Sabatini · 48ede394 · 2839c56e
Commit 2839c56e authored Jun 06, 2010 by Stefano Sabatini
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imgconvert.c libavcodec/imgconvert.c +2 -1

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--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -948,7 +948,8 @@ int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane)
        return (width * bits + 7) >> 3;
        break;
    case FF_PIXEL_PLANAR:
-            if (plane == 1 || plane == 2)
+            if ((pix_fmt != PIX_FMT_NV12 && pix_fmt != PIX_FMT_NV21) &&
+                (plane == 1 || plane == 2))
                width= -((-width)>>desc->log2_chroma_w);

            return (width * pf->depth + 7) >> 3;