#include "audio_sink.h"
class VideoDecoder;
-class SndfileDecoder;
+class AudioDecoder;
class Job;
class Film;
class Playlist;
class AudioContent;
-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 TimedVideoSource, public TimedAudioSource, public TimedVideoSink, 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);
+ void seek_back ();
+ void seek_forward ();
double last_video_time () const;
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>);
+ void process_video (boost::shared_ptr<const Image> i, bool same, boost::shared_ptr<Subtitle> s, double);
+ void process_audio (boost::weak_ptr<const AudioContent>, boost::shared_ptr<const AudioBuffers>, double);
void setup_decoders ();
void playlist_changed ();
void content_changed (boost::weak_ptr<Content>, int);
bool _video;
bool _audio;
bool _subtitles;
-
+
+ /** 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<VideoDecoder> > _video_decoders;
- std::list<boost::shared_ptr<VideoDecoder> >::iterator _video_decoder;
- std::list<boost::shared_ptr<SndfileDecoder> > _sndfile_decoders;
+ /** Video decoders in order of presentation */
+ std::vector<boost::shared_ptr<VideoDecoder> > _video_decoders;
+ /** Start positions of each video decoder in seconds*/
+ std::vector<double> _video_start;
+ /** Index of current video decoder */
+ size_t _video_decoder;
+ /** Audio decoders in order of presentation (if they are from FFmpeg) */
+ std::vector<boost::shared_ptr<AudioDecoder> > _audio_decoders;
+ /** Start positions of each audio decoder (if they are from FFmpeg) in seconds */
+ std::vector<double> _audio_start;
+ /** Current audio decoder index if we are running them sequentially; otherwise undefined */
+ size_t _sequential_audio_decoder;
boost::shared_ptr<AudioBuffers> _audio_buffers;
-
- bool _video_sync;
+ boost::optional<double> _audio_time;
};
#endif