From b03a63d16ad940af629234aa4e80b813cc1f1dca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Sat, 26 Dec 2009 11:07:47 +0000
Subject: [PATCH] Fix cdg reference and buffer_hints value: reference must be 3
 because both "fields" are used as reference, and buffer_hints must include
 readable since we might memcpy from the old frame.

Originally committed as revision 20923 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/cdgraphics.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/cdgraphics.c b/libavcodec/cdgraphics.c
index fa835b9897..8f04e01297 100644
--- a/libavcodec/cdgraphics.c
+++ b/libavcodec/cdgraphics.c
@@ -71,8 +71,9 @@ typedef struct CDGraphicsContext {
 static void cdg_init_frame(AVFrame *frame)
 {
     avcodec_get_frame_defaults(frame);
-    frame->reference = 1;
+    frame->reference = 3;
     frame->buffer_hints = FF_BUFFER_HINTS_VALID    |
+                          FF_BUFFER_HINTS_READABLE |
                           FF_BUFFER_HINTS_PRESERVE |
                           FF_BUFFER_HINTS_REUSABLE;
 }