#include <list>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
+#include <libdcp/subtitle_asset.h>
#include "playlist.h"
-#include "audio_buffers.h"
#include "content.h"
#include "film.h"
#include "rect.h"
+#include "audio_merger.h"
+#include "audio_content.h"
+#include "decoded.h"
class Job;
class Film;
class AudioContent;
class Piece;
class Image;
-class Resampler;
+/** @class PlayerImage
+ * @brief A wrapper for an Image which contains some pending operations; these may
+ * not be necessary if the receiver of the PlayerImage throws it away.
+ */
+class PlayerImage
+{
+public:
+ PlayerImage (boost::shared_ptr<const Image>, Crop, libdcp::Size, libdcp::Size, Scaler const *);
+
+ void set_subtitle (boost::shared_ptr<const Image>, Position<int>);
+
+ boost::shared_ptr<Image> image (AVPixelFormat, bool);
+
+private:
+ boost::shared_ptr<const Image> _in;
+ Crop _crop;
+ libdcp::Size _inter_size;
+ libdcp::Size _out_size;
+ Scaler const * _scaler;
+ boost::shared_ptr<const Image> _subtitle_image;
+ Position<int> _subtitle_position;
+};
+
+class PlayerStatistics
+{
+public:
+ struct Video {
+ Video ()
+ : black (0)
+ , repeat (0)
+ , good (0)
+ , skip (0)
+ {}
+
+ int black;
+ int repeat;
+ int good;
+ int skip;
+ } video;
+
+ struct Audio {
+ Audio ()
+ : silence (0)
+ , good (0)
+ , skip (0)
+ {}
+
+ int64_t silence;
+ int64_t good;
+ int64_t skip;
+ } audio;
+
+ void dump (boost::shared_ptr<Log>) const;
+};
+
/** @class Player
* @brief A class which can `play' a Playlist; emitting its audio and video.
*/
-
+
class Player : public boost::enable_shared_from_this<Player>, public boost::noncopyable
{
public:
void disable_audio ();
bool pass ();
- void seek (Time, bool);
+ void seek (DCPTime, bool);
- Time video_position () const {
+ DCPTime video_position () const {
return _video_position;
}
void set_video_container_size (libdcp::Size);
+ void set_approximate_size ();
+ bool repeat_last_video ();
+
+ PlayerStatistics const & statistics () const;
+
/** Emitted when a video frame is ready.
* First parameter is the video image.
- * Second parameter is true if the image is the same as the last one that was emitted.
- * Third parameter is the time.
+ * Second parameter is the eye(s) that should see this image.
+ * Third parameter is the colour conversion that should be used for this image.
+ * Fourth parameter is true if the image is the same as the last one that was emitted.
+ * Fifth parameter is the time.
*/
- boost::signals2::signal<void (boost::shared_ptr<const Image>, bool, Time)> Video;
+ boost::signals2::signal<void (boost::shared_ptr<PlayerImage>, Eyes, ColourConversion, bool, DCPTime)> Video;
/** Emitted when some audio data is ready */
- boost::signals2::signal<void (boost::shared_ptr<const AudioBuffers>, Time)> Audio;
+ boost::signals2::signal<void (boost::shared_ptr<const AudioBuffers>, DCPTime)> Audio;
/** Emitted when something has changed such that if we went back and emitted
* the last frame again it would look different. This is not emitted after
private:
friend class PlayerWrapper;
+ friend class Piece;
- void process_video (boost::weak_ptr<Piece>, boost::shared_ptr<const Image>, bool, VideoContent::Frame);
- void process_audio (boost::weak_ptr<Piece>, boost::shared_ptr<const AudioBuffers>, AudioContent::Frame);
- void process_subtitle (boost::weak_ptr<Piece>, boost::shared_ptr<Image>, dcpomatic::Rect<double>, Time, Time);
void setup_pieces ();
void playlist_changed ();
void content_changed (boost::weak_ptr<Content>, int, bool);
- void do_seek (Time, bool);
+ void do_seek (DCPTime, bool);
void flush ();
void emit_black ();
- void emit_silence (OutputAudioFrame);
- boost::shared_ptr<Resampler> resampler (boost::shared_ptr<AudioContent>);
+ void emit_silence (AudioFrame);
void film_changed (Film::Property);
- void update_subtitle ();
+ void update_subtitle_from_image ();
+ void update_subtitle_from_text ();
+ void emit_video (boost::weak_ptr<Piece>, boost::shared_ptr<DecodedVideo>);
+ void emit_audio (boost::weak_ptr<Piece>, boost::shared_ptr<DecodedAudio>);
+ void step_video_position (boost::shared_ptr<DecodedVideo>);
boost::shared_ptr<const Film> _film;
boost::shared_ptr<const Playlist> _playlist;
std::list<boost::shared_ptr<Piece> > _pieces;
/** The time after the last video that we emitted */
- Time _video_position;
+ DCPTime _video_position;
/** The time after the last audio that we emitted */
- Time _audio_position;
+ DCPTime _audio_position;
- AudioBuffers _audio_buffers;
+ AudioMerger<DCPTime, AudioFrame> _audio_merger;
libdcp::Size _video_container_size;
- boost::shared_ptr<Image> _black_frame;
- std::map<boost::shared_ptr<AudioContent>, boost::shared_ptr<Resampler> > _resamplers;
- boost::shared_ptr<Resampler> _last_resampler;
+ boost::shared_ptr<PlayerImage> _black_frame;
struct {
boost::weak_ptr<Piece> piece;
- boost::shared_ptr<Image> image;
- dcpomatic::Rect<double> rect;
- Time from;
- Time to;
- } _in_subtitle;
+ boost::shared_ptr<DecodedImageSubtitle> subtitle;
+ } _image_subtitle;
struct {
- boost::shared_ptr<Image> image;
+ boost::weak_ptr<Piece> piece;
+ boost::shared_ptr<DecodedTextSubtitle> subtitle;
+ } _text_subtitle;
+
+ struct {
Position<int> position;
- Time from;
- Time to;
+ boost::shared_ptr<Image> image;
+ DCPTime from;
+ DCPTime to;
} _out_subtitle;
#ifdef DCPOMATIC_DEBUG
boost::shared_ptr<Content> _last_video;
-#endif
+#endif
+
+ bool _last_emit_was_black;
+
+ struct {
+ boost::weak_ptr<Piece> weak_piece;
+ boost::shared_ptr<DecodedVideo> video;
+ } _last_incoming_video;
+
+ bool _just_did_inaccurate_seek;
+ bool _approximate_size;
+
+ PlayerStatistics _statistics;
+
+ boost::signals2::scoped_connection _playlist_changed_connection;
+ boost::signals2::scoped_connection _playlist_content_changed_connection;
+ boost::signals2::scoped_connection _film_changed_connection;
};
#endif
projects / dcpomatic.git / blobdiff