X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Ffilter_graph.h;h=00b89d494b5703a563125999fdb54dde6142f3fa;hb=8f12ef26c5f6c0e9f408828b99ff8bdc90236406;hp=45ad5d99874a0ef5c95b21c045a8fd6dd9520a24;hpb=85c65bd422742813992686c17a5e1b718cc3c449;p=dcpomatic.git

diff --git a/src/lib/filter_graph.h b/src/lib/filter_graph.h
index 45ad5d998..00b89d494 100644
--- a/src/lib/filter_graph.h
+++ b/src/lib/filter_graph.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -25,10 +25,14 @@
 #define DCPOMATIC_FILTER_GRAPH_H
 
 #include "util.h"
+extern "C" {
+#include <libavfilter/buffersink.h>
+}
 
+struct AVFilterContext;
+struct AVFrame;
 class Image;
-class VideoFilter;
-class FFmpegContent;
+class Filter;
 
 /** @class FilterGraph
  *  @brief A graph of FFmpeg filters.
@@ -36,17 +40,23 @@ class FFmpegContent;
 class FilterGraph : public boost::noncopyable
 {
 public:
-	FilterGraph (boost::shared_ptr<const FFmpegContent> content, dcp::Size s, AVPixelFormat p);
-	~FilterGraph ();
+	FilterGraph ();
+	virtual ~FilterGraph ();
 
-	bool can_process (dcp::Size s, AVPixelFormat p) const;
-	std::list<std::pair<boost::shared_ptr<Image>, int64_t> > process (AVFrame * frame);
+	void setup (std::vector<Filter const *>);
+	AVFilterContext* get (std::string name);
 
-private:
+protected:
+	virtual std::string src_parameters () const = 0;
+	virtual std::string src_name () const = 0;
+	virtual void* sink_parameters () const = 0;
+	virtual std::string sink_name () const = 0;
+
+	AVFilterGraph* _graph;
+	/** 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;
-	dcp::Size _size; ///< size of the images that this chain can process
-	AVPixelFormat _pixel_format; ///< pixel format of the images that this chain can process
 	AVFrame* _frame;
 };