X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_decoder.h;h=76a91c5255bac1c26c4aa5d25ad3f6daa61f2ddb;hb=982933e31681d05b1d3addac5a9eff58ea4579c5;hp=7c2374dd8f154eaf370022c031824f04decd5b89;hpb=cd29c4ed26fde9b9c07190f92205705b13c6bd73;p=dcpomatic.git

diff --git a/src/lib/video_decoder.h b/src/lib/video_decoder.h
index 7c2374dd8..76a91c525 100644
--- a/src/lib/video_decoder.h
+++ b/src/lib/video_decoder.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -29,6 +29,7 @@
 #include "video_content.h"
 #include "util.h"
 #include "content_video.h"
+#include "decoder_part.h"
 #include <boost/signals2.hpp>
 #include <boost/shared_ptr.hpp>
 
@@ -40,49 +41,32 @@ class Log;
 /** @class VideoDecoder
  *  @brief Parent for classes which decode video.
  */
-class VideoDecoder
+class VideoDecoder : public DecoderPart
 {
 public:
-	VideoDecoder (Decoder* parent, boost::shared_ptr<const Content> c, boost::shared_ptr<Log> log);
-
-	std::list<ContentVideo> get (Frame frame, bool accurate);
-
-	void set_ignore ();
-	bool ignore () const {
-		return _ignore;
-	}
-
-#ifdef DCPOMATIC_DEBUG
-	int test_gaps;
-#endif
+	VideoDecoder (Decoder* parent, boost::shared_ptr<const Content> c);
 
 	friend struct video_decoder_fill_test1;
 	friend struct video_decoder_fill_test2;
 	friend struct ffmpeg_pts_offset_test;
 	friend void ffmpeg_decoder_sequential_test_one (boost::filesystem::path file, float fps, int gaps, int video_length);
 
-	void seek (ContentTime time, bool accurate);
-	void give (boost::shared_ptr<const ImageProxy>, Frame frame);
+	dcpomatic::ContentTime position (boost::shared_ptr<const Film>) const {
+		return _position;
+	}
 
-private:
+	void seek ();
+	void emit (boost::shared_ptr<const Film> film, boost::shared_ptr<const ImageProxy>, Frame frame);
 
-	std::list<ContentVideo> decoded (Frame frame);
-	void fill_one_eye (Frame from, Frame to, Eyes);
-	void fill_both_eyes (Frame from_frame, Eyes from_eyes, Frame to_frame, Eyes to_eyes);
+	/** @return true if the emitted data was accepted, false if not */
+	boost::signals2::signal<void (ContentVideo)> Data;
 
-	Decoder* _parent;
+private:
 	boost::shared_ptr<const Content> _content;
-	boost::shared_ptr<Log> _log;
-	std::list<ContentVideo> _decoded;
-	boost::shared_ptr<Image> _black_image;
-	boost::optional<ContentTime> _last_seek_time;
-	bool _last_seek_accurate;
-	/** true if this decoder should ignore all video; i.e. never produce any */
-	bool _ignore;
-	/** if set, this is a frame for which we got no data because the Decoder said
-	 *  it has no more to give.
-	 */
-	boost::optional<Frame> _no_data_frame;
+	/** Frame of last thing to be emitted */
+	boost::optional<Frame> _last_emitted_frame;
+	boost::optional<Eyes> _last_emitted_eyes;
+	dcpomatic::ContentTime _position;
 };
 
 #endif