From 07d0bba50710abf8af975a40c97a7ac18be8482c Mon Sep 17 00:00:00 2001
From: Vitor Sessak <vitor1001@gmail.com>
Date: Fri, 15 Feb 2008 21:39:28 +0000
Subject: [PATCH] When inserting a filter, don't lose any information we may
 already have about the colorspaces supported across the link.

Commited in SoC by Bobby Bingham on 2007-12-20 20:47:11

Originally committed as revision 12028 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavfilter/avfilter.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 3de6ebf507..53ca831026 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -114,6 +114,13 @@ int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
     link->dstpad = in;
     filt->inputs[in] = link;
 
+    /* if any information on supported colorspaces already exists on the
+     * link, we need to preserve that */
+    if(link->out_formats) {
+        filt->outputs[out]->out_formats = link->out_formats;
+        link->out_formats = NULL;
+    }
+
     return 0;
 }