From 3d487db153fb4d149156b65c3ca2d9ab910d84f4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Mon, 6 Sep 2010 19:26:18 +0000
Subject: [PATCH] Fix slice height for y position calculation for
 vp3_draw_horiz_band when the video uses 4:2:2 instead of 4:2:0 coding.

Originally committed as revision 25052 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 c4baff65fd..74b7e1b608 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -1509,7 +1509,7 @@ static void render_slice(Vp3DecodeContext *s, int slice)
       *     dispatch (slice - 1);
       */
 
-    vp3_draw_horiz_band(s, FFMIN(64*slice + 64-16, s->height-16));
+    vp3_draw_horiz_band(s, FFMIN((32 << s->chroma_y_shift) * (slice + 1) -16, s->height-16));
 }
 
 /*