*/
+#ifndef DCPOMATIC_PLAYLIST_H
+#define DCPOMATIC_PLAYLIST_H
+
#include <list>
#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"
+#include "audio_mapping.h"
class Content;
class FFmpegContent;
class SndfileDecoder;
class Job;
class Film;
+class Region;
+
+/** @class Playlist
+ * @brief A set of content files (video and audio), with knowledge of how they should be arranged into
+ * a DCP.
+ *
+ * This class holds Content objects, and it knows how they should be arranged. At the moment
+ * the ordering is implicit; video content is placed sequentially, and audio content is taken
+ * from the video unless any sound-only files are present. If sound-only files exist, they
+ * are played simultaneously (i.e. they can be split up into multiple files for different channels)
+ */
+
+struct ContentSorter
+{
+ bool operator() (boost::shared_ptr<Content> a, boost::shared_ptr<Content> b);
+};
-class Playlist : public VideoSource, public AudioSource, public VideoSink, public AudioSink, public boost::enable_shared_from_this<Playlist>
+class Playlist
{
public:
- Playlist (boost::shared_ptr<const Film>, std::list<boost::shared_ptr<Content> >);
+ Playlist ();
+ Playlist (boost::shared_ptr<const Playlist>);
+ ~Playlist ();
- 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;
+ void as_xml (xmlpp::Node *);
+ void set_from_xml (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>);
- void disable_video ();
+ void add (boost::shared_ptr<Content>);
+ void remove (boost::shared_ptr<Content>);
- bool pass ();
- void set_progress (boost::shared_ptr<Job>);
+ bool has_subtitles () const;
-private:
- void process_video (boost::shared_ptr<Image> i, bool same, boost::shared_ptr<Subtitle> s);
- void process_audio (boost::shared_ptr<AudioBuffers>);
+ typedef std::vector<boost::shared_ptr<Content> > ContentList;
+
+ ContentList content () const {
+ return _content;
+ }
+
+ std::string video_digest () const;
+
+ int loop () const {
+ return _loop;
+ }
- enum {
- VIDEO_NONE,
- VIDEO_FFMPEG,
- VIDEO_IMAGEMAGICK
- } _video_from;
+ void set_loop (int l);
+
+ Time length () const;
+ int best_dcp_frame_rate () const;
+ Time video_end () const;
+
+ void set_sequence_video (bool);
+
+ mutable boost::signals2::signal<void ()> Changed;
+ mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int)> ContentChanged;
- enum {
- AUDIO_NONE,
- AUDIO_FFMPEG,
- AUDIO_SNDFILE
- } _audio_from;
-
- boost::shared_ptr<FFmpegContent> _ffmpeg;
- std::list<boost::shared_ptr<ImageMagickContent> > _imagemagick;
- std::list<boost::shared_ptr<SndfileContent> > _sndfile;
-
- 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;
+private:
+ void content_changed (boost::weak_ptr<Content>, int);
+ void reconnect ();
+
+ ContentList _content;
+ int _loop;
+ bool _sequence_video;
+ bool _sequencing_video;
+ std::list<boost::signals2::connection> _content_connections;
};
+
+#endif