X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Ffilter_graph.h;h=9ee628d4cd097fa9b2bae97e08ac793986be4261;hb=bdf29b6d0a2cdb392a9d4fd1c214ff108ec84c90;hp=2b54d7829b87ef24d9f41e40adc05546fdf54f3d;hpb=b249700e1da7dd6631a8b4440587f4093a2bdef1;p=dcpomatic.git

diff --git a/src/lib/filter_graph.h b/src/lib/filter_graph.h
index 2b54d7829..9ee628d4c 100644
--- a/src/lib/filter_graph.h
+++ b/src/lib/filter_graph.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,30 +18,38 @@
 
 */
 
+
 /** @file src/lib/filter_graph.h
  *  @brief A graph of FFmpeg filters.
  */
 
+
 #ifndef DCPOMATIC_FILTER_GRAPH_H
 #define DCPOMATIC_FILTER_GRAPH_H
 
+
 #include "util.h"
+#include "warnings.h"
+DCPOMATIC_DISABLE_WARNINGS
 extern "C" {
 #include <libavfilter/buffersink.h>
 }
+DCPOMATIC_ENABLE_WARNINGS
+
 
 struct AVFilterContext;
 struct AVFrame;
 class Image;
 class Filter;
 
+
 /** @class FilterGraph
  *  @brief A graph of FFmpeg filters.
  */
 class FilterGraph
 {
 public:
-	FilterGraph ();
+	FilterGraph() = default;
 	virtual ~FilterGraph ();
 
 	FilterGraph (FilterGraph const&) = delete;
@@ -53,15 +61,16 @@ public:
 protected:
 	virtual std::string src_parameters () const = 0;
 	virtual std::string src_name () const = 0;
-	virtual void* sink_parameters () const = 0;
+	virtual void set_parameters (AVFilterContext* context) const = 0;
 	virtual std::string sink_name () const = 0;
 
-	AVFilterGraph* _graph;
+	AVFilterGraph* _graph = nullptr;
 	/** true if this graph has no filters in, so it just copies stuff straight through */
-	bool _copy;
-	AVFilterContext* _buffer_src_context;
-	AVFilterContext* _buffer_sink_context;
-	AVFrame* _frame;
+	bool _copy = false;
+	AVFilterContext* _buffer_src_context = nullptr;
+	AVFilterContext* _buffer_sink_context = nullptr;
+	AVFrame* _frame = nullptr;
 };
 
+
 #endif