lavfi: add avfilter_graph_set_auto_convert().

1 files changed, 17 insertions, 0 deletions

diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h
index b003795750..7e47566129 100644
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@@ -43,6 +43,8 @@ typedef struct AVFilterGraph {
 
     AVFilterLink **sink_links;
     int sink_links_count;
+
+    unsigned disable_auto_convert;
 } AVFilterGraph;
 
 /**
@@ -84,6 +86,21 @@ int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt,
                                  AVFilterGraph *graph_ctx);
 
 /**
+ * Enable or disable automatic format conversion inside the graph.
+ *
+ * Note that format conversion can still happen inside explicitly inserted
+ * scale and aconvert filters.
+ *
+ * @param flags  any of the AVFILTER_AUTO_CONVERT_* constants
+ */
+void avfilter_graph_set_auto_convert(AVFilterGraph *graph, unsigned flags);
+
+enum {
+    AVFILTER_AUTO_CONVERT_ALL  =  0, /**< all automatic conversions enabled */
+    AVFILTER_AUTO_CONVERT_NONE = -1, /**< all automatic conversions disabled */
+};
+
+/**
  * Check validity and configure all the links and formats in the graph.
  *
  * @param graphctx the filter graph