[SCM] libav/experimental: Use av_pix_fmt_descriptors in avcodec_get_chroma_sub_sample(), rather than the PixFmtInfo x_chroma_shift and y_chroma_shift fields.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 38264abb06cb605df00e6bc0a1660dc221bb4718
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Thu Nov 26 00:33:19 2009 +0000

    Use av_pix_fmt_descriptors in avcodec_get_chroma_sub_sample(), rather
    than the PixFmtInfo x_chroma_shift and y_chroma_shift fields.
    
    Originally committed as revision 20617 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 9dfef3a..d8ee8ac 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -532,8 +532,8 @@ static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
 
 void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int *v_shift)
 {
-    *h_shift = pix_fmt_info[pix_fmt].x_chroma_shift;
-    *v_shift = pix_fmt_info[pix_fmt].y_chroma_shift;
+    *h_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_w;
+    *v_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h;
 }
 
 const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt)

-- 
Libav/FFmpeg packaging