[SCM] libav/experimental: initialize filter graphs completely even if there is no list of filters given to initially load.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 54d7fcc1207ed37356f06e3a31a4e6bdaa096958
Author: Vitor Sessak <vitor1001 at gmail.com>
Date:   Fri Apr 4 20:07:37 2008 +0000

    initialize filter graphs completely even if there is no list of filters
    given to initially load.
    
    Commited in SoC by Bobby Bingham on 2007-12-20 16:50:45
    
    Originally committed as revision 12709 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 26f8280..5ff4447 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -546,14 +546,14 @@ static int init(AVFilterContext *ctx, const char *args, void *opaque)
 {
     GraphContext *gctx = ctx->priv;
 
-    if(!args)
-        return 0;
-
     if(!(gctx->link_filter = avfilter_open(&vf_graph_dummy, NULL)))
         return -1;
     if(avfilter_init_filter(gctx->link_filter, NULL, ctx))
         goto fail;
 
+    if(!args)
+        return 0;
+
     return graph_load_chain_from_string(ctx, args, NULL, NULL);
 
 fail:

-- 
Libav/FFmpeg packaging