class Decoder
{
public:
- Decoder (boost::shared_ptr<Film>, boost::shared_ptr<const Options>, Job *, bool, bool);
+ Decoder (boost::shared_ptr<Film>, boost::shared_ptr<const Options>, Job *);
virtual ~Decoder ();
/* Methods to query our input video */
virtual int sample_aspect_ratio_denominator () const = 0;
void process_begin ();
- bool pass ();
+ virtual bool pass () = 0;
void process_end ();
void go ();
- /** @return the index of the last video frame to be processed */
- int video_frame () const {
+ SourceFrame video_frame () const {
return _video_frame;
}
}
/** Emitted when a video frame is ready.
- * First parameter is the frame.
+ * First parameter is the frame within the source.
* Second parameter is its index within the content.
* Third parameter is either 0 or a subtitle that should be on this frame.
*/
- boost::signals2::signal<void (boost::shared_ptr<Image>, int, boost::shared_ptr<Subtitle>)> Video;
+ boost::signals2::signal<void (boost::shared_ptr<Image>, SourceFrame, boost::shared_ptr<Subtitle>)> Video;
/** Emitted when some audio data is ready */
- boost::signals2::signal<void (boost::shared_ptr<AudioBuffers>)> Audio;
+ boost::signals2::signal<void (boost::shared_ptr<AudioBuffers>, int64_t)> Audio;
protected:
- /** perform a single pass at our content */
- virtual bool do_pass () = 0;
virtual PixelFormat pixel_format () const = 0;
void process_video (AVFrame *);
void process_audio (uint8_t *, int);
void process_subtitle (boost::shared_ptr<TimedSubtitle>);
+ void repeat_last_video ();
int bytes_per_audio_sample () const;
/** associated Job, or 0 */
Job* _job;
- /** true to do the bare minimum of work; just run through the content. Useful for acquiring
- * accurate frame counts as quickly as possible. This generates no video or audio output.
- */
- bool _minimal;
-
- /** ignore_length Ignore the content's claimed length when computing progress */
- bool _ignore_length;
-
private:
- void emit_audio (uint8_t* data, int size);
-
- /** last video frame to be processed */
- int _video_frame;
+ void emit_video (boost::shared_ptr<Image>, boost::shared_ptr<Subtitle>);
+ void emit_audio (boost::shared_ptr<AudioBuffers>);
+ SourceFrame _video_frame;
+ int64_t _audio_frame;
+
std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
DelayLine* _delay_line;
- int _delay_in_bytes;
-
- /* Number of audio frames that we have pushed to the encoder
- (at the DCP sample rate).
- */
- int64_t _audio_frames_processed;
+ int _delay_in_frames;
boost::shared_ptr<TimedSubtitle> _timed_subtitle;
+
+ boost::shared_ptr<Image> _last_image;
+ boost::shared_ptr<Subtitle> _last_subtitle;
};
#endif