Add basic timeline window.

[dcpomatic.git] / src / lib / playlist.h

diff --git a/src/lib/playlist.h b/src/lib/playlist.h
index 480f1b2edd01f715029762ec29556a7c95bc842f..cea41ab3281729c84c185ed0e188d492f546218a 100644 (file)
--- a/src/lib/playlist.h
+++ b/src/lib/playlist.h
@@ -25,6 +25,7 @@
 #include "video_sink.h"
 #include "audio_sink.h"
 #include "ffmpeg_content.h"
+#include "audio_mapping.h"
 
 class Content;
 class FFmpegContent;
@@ -36,99 +37,98 @@ class SndfileDecoder;
 class Job;
 class Film;
 
+/** @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)
+ */
+    
 class Playlist
 {
 public:
        Playlist ();
+       Playlist (boost::shared_ptr<const Playlist>);
 
-       void setup (ContentList);
+       void as_xml (xmlpp::Node *);
+       void set_from_xml (boost::shared_ptr<const cxml::Node>);
+
+       void add (boost::shared_ptr<Content>);
+       void remove (boost::shared_ptr<Content>);
+       void move_earlier (boost::shared_ptr<Content>);
+       void move_later (boost::shared_ptr<Content>);
 
        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;
 
-       enum VideoFrom {
-               VIDEO_NONE,
-               VIDEO_FFMPEG,
-               VIDEO_IMAGEMAGICK
-       };
+       AudioMapping default_audio_mapping () const;
+       ContentVideoFrame content_length () const;
 
        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;
+       bool has_subtitles () const;
+       
+       ContentList content () const {
+               return _content;
        }
 
-       std::list<boost::shared_ptr<const ImageMagickContent> > imagemagick () const {
-               return _imagemagick;
+       std::string description () const;
+
+       boost::shared_ptr<FFmpegContent> ffmpeg () const;
+
+       std::list<boost::shared_ptr<const VideoContent> > video () const {
+               return _video;
        }
 
-       std::list<boost::shared_ptr<const SndfileContent> > sndfile () const {
-               return _sndfile;
+       std::list<boost::shared_ptr<const AudioContent> > audio () const {
+               return _audio;
        }
-       
-private:
-       VideoFrom _video_from;
-       AudioFrom _audio_from;
 
-       boost::shared_ptr<const FFmpegContent> _ffmpeg;
-       std::list<boost::shared_ptr<const ImageMagickContent> > _imagemagick;
-       std::list<boost::shared_ptr<const SndfileContent> > _sndfile;
-};
+       std::string audio_digest () const;
+       std::string video_digest () const;
 
-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>);
+       int loop () const {
+               return _loop;
+       }
+       
+       void set_loop (int l);
 
-       void disable_video ();
-       void disable_audio ();
-       void disable_subtitles ();
-       void disable_video_sync ();
+       mutable boost::signals2::signal<void ()> Changed;
+       mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int)> ContentChanged;
+       
+private:
+       void setup ();
+       void content_changed (boost::weak_ptr<Content>, int);
 
-       bool pass ();
-       void set_progress (boost::shared_ptr<Job>);
-       bool seek (double);
-       bool seek_to_last ();
+       /** where we should get our audio from */
+       AudioFrom _audio_from;
 
-       double last_video_time () const;
+       /** all our content */
+       ContentList _content;
+       /** all our content which contains video */
+       std::list<boost::shared_ptr<const VideoContent> > _video;
+       /** all our content which contains audio.  This may contain the same objects
+        *  as _video for FFmpegContent.
+        */
+       std::list<boost::shared_ptr<const AudioContent> > _audio;
 
-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 ();
+       int _loop;
 
-       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;
+       std::list<boost::signals2::connection> _content_connections;
 };