2 Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef DCPOMATIC_PLAYER_H
21 #define DCPOMATIC_PLAYER_H
24 #include <boost/shared_ptr.hpp>
25 #include <boost/enable_shared_from_this.hpp>
26 #include "video_source.h"
27 #include "audio_source.h"
28 #include "video_sink.h"
29 #include "audio_sink.h"
39 * @brief A class which can `play' a Playlist; emitting its audio and video.
42 class Player : public TimedVideoSource, public TimedAudioSource, public TimedVideoSink, public boost::enable_shared_from_this<Player>
45 Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
47 void disable_video ();
48 void disable_audio ();
49 void disable_subtitles ();
56 double last_video_time () const;
59 void process_video (boost::shared_ptr<const Image> i, bool same, boost::shared_ptr<Subtitle> s, double);
60 void process_audio (boost::weak_ptr<const AudioContent>, boost::shared_ptr<const AudioBuffers>, double);
61 void setup_decoders ();
62 void playlist_changed ();
63 void content_changed (boost::weak_ptr<Content>, int);
65 boost::shared_ptr<const Film> _film;
66 boost::shared_ptr<const Playlist> _playlist;
72 /** Our decoders are ready to go; if this is false the decoders must be (re-)created before they are used */
73 bool _have_valid_decoders;
74 /** Video decoders in order of presentation */
75 std::vector<boost::shared_ptr<VideoDecoder> > _video_decoders;
76 /** Start positions of each video decoder in seconds*/
77 std::vector<double> _video_start;
78 /** Index of current video decoder */
79 size_t _video_decoder;
80 /** Audio decoders in order of presentation (if they are from FFmpeg) */
81 std::vector<boost::shared_ptr<AudioDecoder> > _audio_decoders;
82 /** Start positions of each audio decoder (if they are from FFmpeg) in seconds */
83 std::vector<double> _audio_start;
84 /** Current audio decoder index if we are running them sequentially; otherwise undefined */
85 size_t _sequential_audio_decoder;
87 boost::shared_ptr<AudioBuffers> _audio_buffers;
88 boost::optional<double> _audio_time;