/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2015 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/>.
*/
#ifndef DCPOMATIC_PLAYER_H
#define DCPOMATIC_PLAYER_H
-#include <list>
+#include "player_subtitles.h"
+#include "film.h"
+#include "content.h"
+#include "position_image.h"
+#include "piece.h"
+#include "content_video.h"
+#include "content_audio.h"
+#include "content_subtitle.h"
+#include "audio_stream.h"
+#include "audio_merger.h"
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
-#include "playlist.h"
-#include "audio_buffers.h"
-#include "content.h"
+#include <list>
+
+namespace dcp {
+ class ReelAsset;
+}
-class Job;
-class Film;
+class PlayerVideo;
class Playlist;
-class AudioContent;
-class Piece;
-class Image;
+class Font;
+class AudioBuffers;
+class ReferencedReelAsset;
class Resampler;
/** @class Player
- * @brief A class which can `play' a Playlist; emitting its audio and video.
+ * @brief A class which can `play' a Playlist.
*/
-
-class Player : public boost::enable_shared_from_this<Player>
+class Player : public boost::enable_shared_from_this<Player>, public boost::noncopyable
{
public:
- Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
-
- void disable_video ();
- void disable_audio ();
+ Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist> playlist);
bool pass ();
- void seek (Time);
- void seek_back ();
-
- Time video_position () const {
- return _video_position;
- }
-
- void set_video_container_size (libdcp::Size);
-
- /** Emitted when a video frame is ready.
- * First parameter is the video image.
- * Second parameter is true if the image is the same as the last one that was emitted.
- * Third parameter is the time.
+ void seek (DCPTime time, bool accurate);
+
+ std::list<boost::shared_ptr<Font> > get_subtitle_fonts ();
+ std::list<ReferencedReelAsset> get_reel_assets ();
+
+ void set_video_container_size (dcp::Size);
+ void set_ignore_video ();
+ void set_ignore_audio ();
+ void set_enable_subtitles (bool enable);
+ void set_always_burn_subtitles (bool burn);
+ void set_fast ();
+ void set_play_referenced ();
+
+ /** Emitted when something has changed such that if we went back and emitted
+ * the last frame again it would look different. This is not emitted after
+ * a seek.
+ *
+ * The parameter is true if these signals are currently likely to be frequent.
*/
- boost::signals2::signal<void (boost::shared_ptr<const Image>, bool, Time)> Video;
-
- /** Emitted when some audio data is ready */
- boost::signals2::signal<void (boost::shared_ptr<const AudioBuffers>, Time)> Audio;
+ boost::signals2::signal<void (bool)> Changed;
+
+ boost::signals2::signal<void (boost::shared_ptr<PlayerVideo>, DCPTime)> Video;
+ boost::signals2::signal<void (boost::shared_ptr<AudioBuffers>, DCPTime)> Audio;
+ boost::signals2::signal<void (PlayerSubtitles, DCPTimePeriod)> Subtitle;
private:
+ friend class PlayerWrapper;
+ friend class Piece;
+ friend struct player_overlaps_test;
+ friend struct player_time_calculation_test1;
+ friend struct player_time_calculation_test2;
+ friend struct player_time_calculation_test3;
- void process_video (boost::weak_ptr<Piece>, boost::shared_ptr<const Image>, bool, VideoContent::Frame);
- void process_audio (boost::weak_ptr<Piece>, boost::shared_ptr<const AudioBuffers>, AudioContent::Frame);
void setup_pieces ();
- void playlist_changed ();
- void content_changed (boost::weak_ptr<Content>, int);
- void do_seek (Time, bool);
void flush ();
- void emit_black ();
- void emit_silence (OutputAudioFrame);
- boost::shared_ptr<Resampler> resampler (boost::shared_ptr<AudioContent>);
+ void film_changed (Film::Property);
+ void playlist_changed ();
+ void playlist_content_changed (boost::weak_ptr<Content>, int, bool);
+ std::list<PositionImage> transform_image_subtitles (std::list<ImageSubtitle>) const;
+ Frame dcp_to_content_video (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+ DCPTime content_video_to_dcp (boost::shared_ptr<const Piece> piece, Frame f) const;
+ Frame dcp_to_resampled_audio (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+ DCPTime resampled_audio_to_dcp (boost::shared_ptr<const Piece> piece, Frame f) const;
+ ContentTime dcp_to_content_time (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+ DCPTime content_time_to_dcp (boost::shared_ptr<const Piece> piece, ContentTime t) const;
+ boost::shared_ptr<PlayerVideo> black_player_video_frame () const;
+ std::list<boost::shared_ptr<Piece> > overlaps (DCPTime from, DCPTime to, boost::function<bool (Content *)> valid);
+ void video (boost::weak_ptr<Piece>, ContentVideo);
+ void audio (boost::weak_ptr<Piece>, AudioStreamPtr, ContentAudio);
+ void image_subtitle (boost::weak_ptr<Piece>, ContentImageSubtitle);
+ void text_subtitle (boost::weak_ptr<Piece>, ContentTextSubtitle);
+ boost::shared_ptr<Resampler> resampler (boost::shared_ptr<const AudioContent> content, AudioStreamPtr stream, bool create);
boost::shared_ptr<const Film> _film;
boost::shared_ptr<const Playlist> _playlist;
-
- bool _video;
- bool _audio;
/** Our pieces are ready to go; if this is false the pieces must be (re-)created before they are used */
bool _have_valid_pieces;
std::list<boost::shared_ptr<Piece> > _pieces;
- /** The time after the last video that we emitted */
- Time _video_position;
- /** The time after the last audio that we emitted */
- Time _audio_position;
-
- AudioBuffers _audio_buffers;
-
- libdcp::Size _video_container_size;
- boost::shared_ptr<Image> _black_frame;
- std::map<boost::shared_ptr<AudioContent>, boost::shared_ptr<Resampler> > _resamplers;
+ /** Size of the image in the DCP (e.g. 1990x1080 for flat) */
+ dcp::Size _video_container_size;
+ boost::shared_ptr<Image> _black_image;
+
+ /** true if the player should ignore all video; i.e. never produce any */
+ bool _ignore_video;
+ /** true if the player should ignore all audio; i.e. never produce any */
+ bool _ignore_audio;
+ /** true if the player should always burn subtitles into the video regardless
+ of content settings
+ */
+ bool _always_burn_subtitles;
+ /** true if we should try to be fast rather than high quality */
+ bool _fast;
+ /** true if we should `play' (i.e output) referenced DCP data (e.g. for preview) */
+ bool _play_referenced;
+
+ /** Last PlayerVideo that was emitted */
+ boost::shared_ptr<PlayerVideo> _last_video;
+ /** Time of the last thing we emitted, or the last seek time */
+ boost::optional<DCPTime> _last_time;
+
+ AudioMerger _audio_merger;
+ DCPTime _last_audio_time;
+
+ class StreamState {
+ public:
+ StreamState () {}
+
+ StreamState (boost::shared_ptr<Piece> p, DCPTime l)
+ : piece(p)
+ , last_push_end(l)
+ {}
+
+ boost::shared_ptr<Piece> piece;
+ DCPTime last_push_end;
+ };
+ std::map<AudioStreamPtr, StreamState> _stream_states;
+
+ std::list<std::pair<PlayerSubtitles, DCPTimePeriod> > _subtitles;
+
+ boost::shared_ptr<AudioProcessor> _audio_processor;
+ typedef std::map<std::pair<boost::shared_ptr<const AudioContent>, AudioStreamPtr>, boost::shared_ptr<Resampler> > ResamplerMap;
+ ResamplerMap _resamplers;
+
+ boost::signals2::scoped_connection _film_changed_connection;
+ boost::signals2::scoped_connection _playlist_changed_connection;
+ boost::signals2::scoped_connection _playlist_content_changed_connection;
};
#endif
projects / dcpomatic.git / blobdiff