/*
- Copyright (C) 2012-2015 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/>.
*/
#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 VideoDecoder
* @brief Parent for classes which decode video.
*/
-class VideoDecoder : public virtual Decoder
+class VideoDecoder : public DecoderPart
{
public:
- VideoDecoder (boost::shared_ptr<const VideoContent> c, boost::shared_ptr<Log> log);
+ VideoDecoder (Decoder* parent, boost::shared_ptr<const Content> c);
- std::list<ContentVideo> get_video (Frame frame, bool accurate);
+ 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);
- boost::shared_ptr<const VideoContent> video_content () const {
- return _video_content;
+ ContentTime position (boost::shared_ptr<const Film>) const {
+ return _position;
}
- void set_ignore_video ();
+ void seek ();
+ void emit (boost::shared_ptr<const Film> film, boost::shared_ptr<const ImageProxy>, Frame frame);
-#ifdef DCPOMATIC_DEBUG
- int test_gaps;
-#endif
-
-protected:
- friend struct video_decoder_fill_test1;
- friend struct video_decoder_fill_test2;
+ /** @return true if the emitted data was accepted, false if not */
+ boost::signals2::signal<void (ContentVideo)> Data;
- void seek (ContentTime time, bool accurate);
- void video (boost::shared_ptr<const ImageProxy>, Frame frame);
- std::list<ContentVideo> decoded_video (Frame frame);
- void fill_one_eye (Frame from, Frame to, Eyes);
- void fill_both_eyes (Frame from, Frame to, Eyes);
-
- boost::shared_ptr<const VideoContent> _video_content;
- boost::shared_ptr<Log> _log;
- std::list<ContentVideo> _decoded_video;
- 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_video;
- /** 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;
+private:
+ /** Time of last thing to be emitted */
+ boost::shared_ptr<const Content> _content;
+ boost::optional<Frame> _last_emitted;
+ ContentTime _position;
};
#endif