From 8764389d47ccc43e2d19e2e4457aceac663240fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Tue, 8 Jun 2010 19:25:28 +0000
Subject: [PATCH] Fix vp3_draw_horiz_band to calculate chroma offsets correctly
 for 4:2:2 and 4:4:4 formats.

Originally committed as revision 23537 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/vp3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 6c76269b09..28e1eaccee 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -1329,7 +1329,7 @@ static void vp3_draw_horiz_band(Vp3DecodeContext *s, int y)
         y = s->height - y - h;
     }
 
-    cy = y >> 1;
+    cy = y >> s->chroma_y_shift;
     offset[0] = s->current_frame.linesize[0]*y;
     offset[1] = s->current_frame.linesize[1]*cy;
     offset[2] = s->current_frame.linesize[2]*cy;