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

Originally committed as revision 23507 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-06-06 18:29:39 +00:00
parent 48ede394d5
commit 2839c56ea6

View File

@ -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;