Rename SafeStringStream -> locked_stringstream. Bump deps for removal of stringstream.

[dcpomatic.git] / src / lib / video_decoder.h

diff --git a/src/lib/video_decoder.h b/src/lib/video_decoder.h
index c3228e88dac3fb2fcb633c32b752f8e7a8676f61..69270244430d1a29fc4778026eab51fa57417580 100644 (file)
--- a/src/lib/video_decoder.h
+++ b/src/lib/video_decoder.h
@@ -1,48 +1,88 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2016 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 <boost/signals2.hpp>
-#include <boost/shared_ptr.hpp>
 #include "decoder.h"
 #include "video_content.h"
 #include "util.h"
-#include "decoded.h"
+#include "content_video.h"
+#include <boost/signals2.hpp>
+#include <boost/shared_ptr.hpp>
 
 class VideoContent;
+class ImageProxy;
 class Image;
+class Log;
 
-class VideoDecoder : public virtual Decoder
+/** @class VideoDecoder
+ *  @brief Parent for classes which decode video.
+ */
+class VideoDecoder
 {
 public:
-       VideoDecoder (boost::shared_ptr<const VideoContent>);
+       VideoDecoder (Decoder* parent, boost::shared_ptr<const Content> c, boost::shared_ptr<Log> log);
 
-       boost::shared_ptr<const VideoContent> video_content () const {
-               return _video_content;
+       std::list<ContentVideo> get (Frame frame, bool accurate);
+
+       void set_ignore ();
+       bool ignore () const {
+               return _ignore;
        }
 
-protected:
+#ifdef DCPOMATIC_DEBUG
+       int test_gaps;
+#endif
+
+       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);
+
+private:
+
+       std::list<ContentVideo> decoded (Frame frame);
+       void fill_one_eye (Frame from, Frame to, Eyes);
+       void fill_both_eyes (VideoFrame from, VideoFrame to);
 
-       void video (boost::shared_ptr<const Image>, bool, ContentTime);
-       boost::shared_ptr<const VideoContent> _video_content;
+       Decoder* _parent;
+       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;
 };
 
 #endif