/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2016 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 <list>
+#ifndef DCPOMATIC_PLAYLIST_H
+#define DCPOMATIC_PLAYLIST_H
+
+#include "util.h"
+#include "frame_rate_change.h"
+#include <libcxml/cxml.h>
#include <boost/shared_ptr.hpp>
-#include <boost/enable_shared_from_this.hpp>
-#include "video_source.h"
-#include "audio_source.h"
-#include "video_sink.h"
-#include "audio_sink.h"
-#include "ffmpeg_content.h"
-
-class Content;
-class FFmpegContent;
-class FFmpegDecoder;
-class ImageMagickContent;
-class ImageMagickDecoder;
-class SndfileContent;
-class SndfileDecoder;
-class Job;
+#include <boost/signals2.hpp>
+#include <list>
+
class Film;
-class Playlist
+struct ContentSorter
+{
+ bool operator() (boost::shared_ptr<Content> a, boost::shared_ptr<Content> b);
+};
+
+/** @class Playlist
+ * @brief A set of Content objects with knowledge of how they should be arranged into
+ * a DCP.
+ */
+class Playlist : public boost::noncopyable
{
public:
Playlist ();
+ ~Playlist ();
- void setup (ContentList);
-
- ContentAudioFrame audio_length () const;
- int audio_channels () const;
- int audio_frame_rate () const;
- int64_t audio_channel_layout () const;
- bool has_audio () const;
-
- float video_frame_rate () const;
- libdcp::Size video_size () const;
- ContentVideoFrame video_length () const;
-
- std::vector<FFmpegSubtitleStream> ffmpeg_subtitle_streams () const;
- boost::optional<FFmpegSubtitleStream> ffmpeg_subtitle_stream () const;
- std::vector<FFmpegAudioStream> ffmpeg_audio_streams () const;
- boost::optional<FFmpegAudioStream> ffmpeg_audio_stream () const;
-
- enum VideoFrom {
- VIDEO_NONE,
- VIDEO_FFMPEG,
- VIDEO_IMAGEMAGICK
- };
-
- enum AudioFrom {
- AUDIO_NONE,
- AUDIO_FFMPEG,
- AUDIO_SNDFILE
- };
-
- VideoFrom video_from () const {
- return _video_from;
- }
-
- AudioFrom audio_from () const {
- return _audio_from;
- }
-
- boost::shared_ptr<const FFmpegContent> ffmpeg () const {
- return _ffmpeg;
- }
-
- std::list<boost::shared_ptr<const ImageMagickContent> > imagemagick () const {
- return _imagemagick;
- }
-
- std::list<boost::shared_ptr<const SndfileContent> > sndfile () const {
- return _sndfile;
- }
-
-private:
- VideoFrom _video_from;
- AudioFrom _audio_from;
+ void as_xml (xmlpp::Node *, bool with_content_paths);
+ void set_from_xml (boost::shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, std::list<std::string>& notes);
- boost::shared_ptr<const FFmpegContent> _ffmpeg;
- std::list<boost::shared_ptr<const ImageMagickContent> > _imagemagick;
- std::list<boost::shared_ptr<const SndfileContent> > _sndfile;
-};
+ void add (boost::shared_ptr<const Film> film, boost::shared_ptr<Content>);
+ void remove (boost::shared_ptr<Content>);
+ void remove (ContentList);
+ void move_earlier (boost::shared_ptr<const Film> film, boost::shared_ptr<Content>);
+ void move_later (boost::shared_ptr<const Film> film, boost::shared_ptr<Content>);
-class Player : public VideoSource, public AudioSource, public VideoSink, public AudioSink, public boost::enable_shared_from_this<Player>
-{
-public:
- Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
+ ContentList content () const;
+
+ std::string video_identifier () const;
- void disable_video ();
- void disable_audio ();
- void disable_subtitles ();
- void disable_video_sync ();
+ DCPTime length (boost::shared_ptr<const Film> film) const;
+ boost::optional<DCPTime> start () const;
+ int64_t required_disk_space (boost::shared_ptr<const Film> film, int j2k_bandwidth, int audio_channels, int audio_frame_rate) const;
- bool pass ();
- void set_progress (boost::shared_ptr<Job>);
- bool seek (double);
- bool seek_to_last ();
+ int best_video_frame_rate () const;
+ DCPTime video_end (boost::shared_ptr<const Film> film) const;
+ DCPTime text_end (boost::shared_ptr<const Film> film) const;
+ FrameRateChange active_frame_rate_change (DCPTime, int dcp_frame_rate) const;
+ std::string content_summary (boost::shared_ptr<const Film> film, DCPTimePeriod period) const;
+ std::pair<double, double> speed_up_range (int dcp_video_frame_rate) const;
- double last_video_time () const;
+ void set_sequence (bool);
+ void maybe_sequence (boost::shared_ptr<const Film> film);
+
+ void repeat (boost::shared_ptr<const Film> film, ContentList, int);
+
+ /** Emitted when content has been added to or removed from the playlist; implies OrderChanged */
+ mutable boost::signals2::signal<void (ChangeType)> Change;
+ mutable boost::signals2::signal<void ()> OrderChanged;
+
+ mutable boost::signals2::signal<void (ChangeType, boost::weak_ptr<Content>, int, bool)> ContentChange;
private:
- void process_video (boost::shared_ptr<Image> i, bool same, boost::shared_ptr<Subtitle> s);
- void process_audio (boost::shared_ptr<AudioBuffers>);
- void setup_decoders ();
-
- boost::shared_ptr<const Film> _film;
- boost::shared_ptr<const Playlist> _playlist;
-
- bool _video;
- bool _audio;
- bool _subtitles;
-
- bool _have_setup_decoders;
- boost::shared_ptr<FFmpegDecoder> _ffmpeg_decoder;
- bool _ffmpeg_decoder_done;
- std::list<boost::shared_ptr<ImageMagickDecoder> > _imagemagick_decoders;
- std::list<boost::shared_ptr<ImageMagickDecoder> >::iterator _imagemagick_decoder;
- std::list<boost::shared_ptr<SndfileDecoder> > _sndfile_decoders;
-
- bool _video_sync;
+ void content_change (boost::weak_ptr<const Film>, ChangeType, boost::weak_ptr<Content>, int, bool);
+ void disconnect ();
+ void reconnect (boost::shared_ptr<const Film> film);
+
+ /** List of content. Kept sorted in position order. */
+ ContentList _content;
+ bool _sequence;
+ bool _sequencing;
+ std::list<boost::signals2::connection> _content_connections;
};
+
+#endif
projects / dcpomatic.git / blobdiff