[SCM] libav/experimental: Allow code to pass data to filters it creates.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 6e365c5720c6b6e17d40473f8e5c0a219de8a1b3
Author: Vitor Sessak <vitor1001 at gmail.com>
Date:   Fri Feb 15 22:13:05 2008 +0000

    Allow code to pass data to filters it creates.
    
    Commited in SoC by Bobby Bingham on 2007-07-15 16:45:50
    
    Originally committed as revision 12087 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 675da11..a508e73 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -166,8 +166,10 @@ typedef struct
     /**
      * Filter initialization function.  Args contains the user-supplied
      * parameters.  FIXME: maybe an AVOption-based system would be better?
+     * opaque is data provided by the code requesting creation of the filter,
+     * and is used to pass data to the filter.
      */
-    int (*init)(AVFilterContext *ctx, const char *args);
+    int (*init)(AVFilterContext *ctx, const char *args, const void *opaque);
     void (*uninit)(AVFilterContext *ctx);
 
     const AVFilterPad *inputs;  /// NULL terminated list of inputs. NULL if none
@@ -220,7 +222,7 @@ AVFilter *avfilter_get_by_name(char *name);
 
 AVFilterContext *avfilter_create(AVFilter *filter, char *inst_name);
 AVFilterContext *avfilter_create_by_name(char *name, char *inst_name);
-int avfilter_init_filter(AVFilterContext *filter, const char *args);
+int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque);
 void avfilter_destroy(AVFilterContext *filter);
 
 int *avfilter_make_format_list(int len, ...);

-- 
Libav/FFmpeg packaging