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"
31 #include "audio_buffers.h"
40 * @brief A class which can `play' a Playlist; emitting its audio and video.
43 class Player : public VideoSource, public AudioSource, public boost::enable_shared_from_this<Player>
46 Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
48 void disable_video ();
49 void disable_audio ();
56 /** @return position that we are at; ie the time of the next thing we will emit on pass() */
57 Time position () const {
61 void set_video_container_size (libdcp::Size);
65 void process_video (boost::weak_ptr<Content>, boost::shared_ptr<const Image>, bool, Time);
66 void process_audio (boost::weak_ptr<Content>, boost::shared_ptr<const AudioBuffers>, Time);
68 void playlist_changed ();
69 void content_changed (boost::weak_ptr<Content>, int);
70 void do_seek (Time, bool);
71 void add_black_piece (Time, Time);
72 void add_silent_piece (Time, Time);
75 boost::shared_ptr<const Film> _film;
76 boost::shared_ptr<const Playlist> _playlist;
81 /** Our pieces are ready to go; if this is false the pieces must be (re-)created before they are used */
82 bool _have_valid_pieces;
83 std::list<boost::shared_ptr<Piece> > _pieces;
85 AudioBuffers _audio_buffers;
87 boost::optional<libdcp::Size> _video_container_size;