+/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
+
/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
#include "audio_source.h"
#include "video_sink.h"
#include "audio_sink.h"
+#include "playlist.h"
+#include "audio_buffers.h"
-class VideoDecoder;
-class SndfileDecoder;
class Job;
class Film;
class Playlist;
class AudioContent;
+class Decoder;
-class Player : public VideoSource, public AudioSource, public VideoSink, public boost::enable_shared_from_this<Player>
+/** @class Player
+ * @brief A class which can `play' a Playlist; emitting its audio and video.
+ */
+
+class Player : public VideoSource, public AudioSource, public boost::enable_shared_from_this<Player>
{
public:
Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
void disable_video ();
void disable_audio ();
void disable_subtitles ();
- void disable_video_sync ();
bool pass ();
- void set_progress (boost::shared_ptr<Job>);
- bool seek (double);
+ bool seek (Time);
+ void seek_back ();
+ void seek_forward ();
- double last_video_time () const;
+ Time last_video () const {
+ return _last_video;
+ }
private:
- void process_video (boost::shared_ptr<Image> i, bool same, boost::shared_ptr<Subtitle> s);
- void process_audio (boost::weak_ptr<const AudioContent>, boost::shared_ptr<AudioBuffers>);
+
+ struct RegionDecoder
+ {
+ RegionDecoder ()
+ : last (0)
+ {}
+
+ boost::shared_ptr<Playlist::Region> region;
+ boost::shared_ptr<Decoder> decoder;
+ Time last;
+ };
+
+ void process_video (boost::shared_ptr<RegionDecoder>, boost::shared_ptr<const Image>, bool, boost::shared_ptr<Subtitle>, Time);
+ void process_audio (boost::shared_ptr<RegionDecoder>, boost::shared_ptr<const AudioBuffers>, Time);
void setup_decoders ();
void playlist_changed ();
void content_changed (boost::weak_ptr<Content>, int);
+ void emit_black_frame ();
+ void emit_silence (Time);
boost::shared_ptr<const Film> _film;
boost::shared_ptr<const Playlist> _playlist;
bool _video;
bool _audio;
bool _subtitles;
-
- bool _have_valid_decoders;
- std::list<boost::shared_ptr<VideoDecoder> > _video_decoders;
- std::list<boost::shared_ptr<VideoDecoder> >::iterator _video_decoder;
- std::list<boost::shared_ptr<SndfileDecoder> > _sndfile_decoders;
- boost::shared_ptr<AudioBuffers> _audio_buffers;
+ /** Our decoders are ready to go; if this is false the decoders must be (re-)created before they are used */
+ bool _have_valid_decoders;
+ std::list<boost::shared_ptr<RegionDecoder> > _decoders;
- bool _video_sync;
+ Time _position;
+ AudioBuffers _audio_buffers;
+ Time _last_video;
+ bool _last_was_black;
+ Time _last_audio;
};
#endif