X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_decoder.h;h=ed56feea05284ccc785e74ba1167b2049cf6322f;hb=f0c10e92b849566e458bc323f8783a6fe83e52d2;hp=0b05b2f7143690237754d810d8557d8e80cb9d77;hpb=28dbf4fd074d2046a3c8ddebac9a537a80fd457a;p=dcpomatic.git

diff --git a/src/lib/video_decoder.h b/src/lib/video_decoder.h
index 0b05b2f71..ed56feea0 100644
--- a/src/lib/video_decoder.h
+++ b/src/lib/video_decoder.h
@@ -1,69 +1,72 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
+/** @file  src/lib/video_decoder.h
+ *  @brief VideoDecoder class.
+ */
+
 #ifndef DCPOMATIC_VIDEO_DECODER_H
 #define DCPOMATIC_VIDEO_DECODER_H
 
-#include "video_source.h"
 #include "decoder.h"
+#include "video_content.h"
+#include "util.h"
+#include "content_video.h"
+#include "decoder_part.h"
+#include <boost/signals2.hpp>
+#include <boost/shared_ptr.hpp>
 
 class VideoContent;
-
-class VideoDecoder : public TimedVideoSource, public virtual Decoder
+class ImageProxy;
+class Image;
+class Log;
+
+/** @class VideoDecoder
+ *  @brief Parent for classes which decode video.
+ */
+class VideoDecoder : public DecoderPart
 {
 public:
-	VideoDecoder (boost::shared_ptr<const Film>);
-
-	/** @return video frame rate second, or 0 if unknown */
-	virtual float video_frame_rate () const = 0;
-	/** @return native size in pixels */
-	virtual libdcp::Size native_size () const = 0;
-	/** @return length according to our content's header */
-	virtual ContentVideoFrame video_length () const = 0;
-
-	virtual int time_base_numerator () const = 0;
-	virtual int time_base_denominator () const = 0;
-	virtual int sample_aspect_ratio_numerator () const = 0;
-	virtual int sample_aspect_ratio_denominator () const = 0;
-
-	void set_progress (Job *) const;
-	
-	int video_frame () const {
-		return _video_frame;
-	}
+	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);
 
-	double last_content_time () const {
-		return _last_content_time;
+	ContentTime position (boost::shared_ptr<const Film>) const {
+		return _position;
 	}
 
-protected:
-	
-	virtual PixelFormat pixel_format () const = 0;
+	void seek ();
+	void emit (boost::shared_ptr<const Film> film, boost::shared_ptr<const ImageProxy>, Frame frame);
 
-	void emit_video (boost::shared_ptr<Image>, bool, double);
-	void emit_subtitle (boost::shared_ptr<TimedSubtitle>);
+	/** @return true if the emitted data was accepted, false if not */
+	boost::signals2::signal<void (ContentVideo)> Data;
 
 private:
-	int _video_frame;
-	double _last_content_time;
-	
-	boost::shared_ptr<TimedSubtitle> _timed_subtitle;
+	boost::shared_ptr<const Content> _content;
+	/** Frame of last thing to be emitted */
+	boost::optional<Frame> _last_emitted_frame;
+	boost::optional<Eyes> _last_emitted_eyes;
+	ContentTime _position;
 };
 
 #endif