[FFmpeg-devel] [PATCH 3/3] Add avfilter_graph_config().

[Stefano Sabatini]

---
 ffmpeg.c                    |    7 +------
 ffplay.c                    |    6 ++----
 libavfilter/avfiltergraph.c |   13 +++++++++++++
 libavfilter/avfiltergraph.h |    8 ++++++++
 4 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index bb4563d..c90375a 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -450,12 +450,7 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
             return ret;
     }
 
-    /* configure all the filter links */
-    if ((ret = avfilter_graph_check_validity(graph, NULL)) < 0)
-        return ret;
-    if ((ret = avfilter_graph_config_formats(graph, NULL)) < 0)
-        return ret;
-    if ((ret = avfilter_graph_config_links(graph, NULL)) < 0)
+    if ((ret = avfilter_graph_config(graph, NULL)) < 0)
         return ret;
 
     codec->width  = ist->output_video_filter->inputs[0]->w;
diff --git a/ffplay.c b/ffplay.c
index 93208e2..9db160e 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -1849,10 +1849,8 @@ static int video_thread(void *arg)
     avfilter_graph_add_filter(graph, filt_src);
     avfilter_graph_add_filter(graph, filt_out);
 
-    if(avfilter_graph_check_validity(graph, NULL))           goto the_end;
-    if(avfilter_graph_config_formats(graph, NULL))           goto the_end;
-    if(avfilter_graph_config_links(graph, NULL))             goto the_end;
-
+    if (avfilter_graph_config(graph, NULL))
+        goto the_end;
     is->out_video_filter = filt_out;
 #endif
 
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 2123c28..baffc51 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -202,3 +202,16 @@ int avfilter_graph_config_formats(AVFilterGraph *graph, AVClass *log_ctx)
     return 0;
 }
 
+int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx)
+{
+    int ret;
+
+    if ((ret = avfilter_graph_check_validity(graphctx, log_ctx)))
+        return ret;
+    if ((ret = avfilter_graph_config_formats(graphctx, log_ctx)))
+        return ret;
+    if ((ret = avfilter_graph_config_links(graphctx, log_ctx)))
+        return ret;
+
+    return 0;
+}
diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h
index 23fc57c..efb9cc0 100644
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@@ -70,6 +70,14 @@ int avfilter_graph_config_links(AVFilterGraph *graphctx, AVClass *log_ctx);
 int avfilter_graph_config_formats(AVFilterGraph *graphctx, AVClass *log_ctx);
 
 /**
+ * Check validity and configure all the links and formats in the graph.
+ *
+ * @see avfilter_graph_check_validity(), avfilter_graph_config_links(),
+ * avfilter_graph_config_formats()
+ */
+int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx);
+
+/**
  * Free a graph and destroy its links.
  */
 void avfilter_graph_destroy(AVFilterGraph *graph);
-- 
1.7.1