/*
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/>.
*/
#define DCPOMATIC_PLAYER_H
#include "player_subtitles.h"
+#include "active_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 <list>
+namespace dcp {
+ class ReelAsset;
+}
+
class PlayerVideo;
class Playlist;
class Font;
class AudioBuffers;
+class ReferencedReelAsset;
+class Resampler;
/** @class Player
* @brief A class which can `play' a Playlist.
public:
Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist> playlist);
- std::list<boost::shared_ptr<PlayerVideo> > get_video (DCPTime time, bool accurate);
- boost::shared_ptr<AudioBuffers> get_audio (DCPTime time, DCPTime length, bool accurate);
- PlayerSubtitles get_subtitles (DCPTime time, DCPTime length, bool starting, bool burnt);
+ bool pass ();
+ 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
*/
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;
+ /** Emitted when a subtitle is ready. This signal may be emitted considerably
+ * after the corresponding Video.
+ */
+ 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 playlist_changed ();
void playlist_content_changed (boost::weak_ptr<Content>, int, bool);
std::list<PositionImage> transform_image_subtitles (std::list<ImageSubtitle>) const;
- void update_subtitle_from_text ();
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;
- ContentTime dcp_to_content_subtitle (boost::shared_ptr<const Piece> piece, DCPTime t) const;
- boost::shared_ptr<PlayerVideo> black_player_video_frame (DCPTime) const;
-
- /** @return Pieces of content type C that overlap a specified time range in the DCP */
- template<class C>
- std::list<boost::shared_ptr<Piece> >
- overlaps (DCPTime from, DCPTime to)
- {
- if (!_have_valid_pieces) {
- setup_pieces ();
- }
-
- std::list<boost::shared_ptr<Piece> > overlaps;
- for (typename std::list<boost::shared_ptr<Piece> >::const_iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
- if (!boost::dynamic_pointer_cast<C> ((*i)->content)) {
- continue;
- }
-
- if ((*i)->content->position() <= to && (*i)->content->end() >= from) {
- overlaps.push_back (*i);
- }
- }
-
- return overlaps;
- }
+ 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;
+ void video (boost::weak_ptr<Piece>, ContentVideo);
+ void audio (boost::weak_ptr<Piece>, AudioStreamPtr, ContentAudio);
+ void image_subtitle_start (boost::weak_ptr<Piece>, ContentImageSubtitle);
+ void text_subtitle_start (boost::weak_ptr<Piece>, ContentTextSubtitle);
+ void subtitle_stop (boost::weak_ptr<Piece>, ContentTime);
+ boost::shared_ptr<Resampler> resampler (boost::shared_ptr<const AudioContent> content, AudioStreamPtr stream, bool create);
+ DCPTime one_video_frame () const;
+ void fill_video (DCPTimePeriod period);
+ void fill_audio (DCPTimePeriod period);
+ void audio_flush (boost::shared_ptr<Piece>, AudioStreamPtr stream);
+ void audio_transform (boost::shared_ptr<AudioContent> content, AudioStreamPtr stream, ContentAudio content_audio, DCPTime time);
+ std::pair<boost::shared_ptr<AudioBuffers>, DCPTime> discard_audio (
+ boost::shared_ptr<const AudioBuffers> audio, DCPTime time, DCPTime discard_to
+ ) const;
+ boost::optional<PositionImage> subtitles_for_frame (DCPTime time) const;
boost::shared_ptr<const Film> _film;
boost::shared_ptr<const Playlist> _playlist;
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 just after the last video frame we emitted, or the last seek time */
+ boost::optional<DCPTime> _last_video_time;
+ /** Time just after the last audio frame we emitted, or the last seek time */
+ boost::optional<DCPTime> _last_audio_time;
+ boost::optional<DCPTime> _last_seek_time;
+
+ AudioMerger _audio_merger;
+
+ 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<DCPTimePeriod> _no_video;
+ std::list<DCPTimePeriod> _no_audio;
+ ActiveSubtitles _active_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;
projects / dcpomatic.git / blobdiff