[SCM] libav/experimental: Amend avfilter_graph_parse() documentation for the return code, make it more generic.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit a6fdd5748fa015eaaf085695fc59240b6d0b9a7d
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Thu Nov 4 20:26:45 2010 +0000

    Amend avfilter_graph_parse() documentation for the return code, make
    it more generic.
    
    Originally committed as revision 25672 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavfilter/graphparser.h b/libavfilter/graphparser.h
index 510b4b3..64fa019 100644
--- a/libavfilter/graphparser.h
+++ b/libavfilter/graphparser.h
@@ -43,7 +43,7 @@ typedef struct AVFilterInOut {
  * @param filters string to be parsed
  * @param inputs  linked list to the inputs of the graph
  * @param outputs linked list to the outputs of the graph
- * @return        zero on success, -1 on error
+ * @return zero on success, a negative AVERROR code on error
  */
 int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
                          AVFilterInOut *inputs, AVFilterInOut *outputs,

-- 
Libav/FFmpeg packaging