diff options
Diffstat (limited to 'src/lib/video_decoder.h')
| -rw-r--r-- | src/lib/video_decoder.h | 86 |
1 files changed, 27 insertions, 59 deletions
diff --git a/src/lib/video_decoder.h b/src/lib/video_decoder.h index 7726d2057..142320a04 100644 --- a/src/lib/video_decoder.h +++ b/src/lib/video_decoder.h @@ -17,73 +17,41 @@ */ -#ifndef DVDOMATIC_VIDEO_DECODER_H -#define DVDOMATIC_VIDEO_DECODER_H +#ifndef DCPOMATIC_VIDEO_DECODER_H +#define DCPOMATIC_VIDEO_DECODER_H -#include "video_source.h" -#include "stream.h" +#include <boost/signals2.hpp> +#include <boost/shared_ptr.hpp> #include "decoder.h" +#include "video_content.h" +#include "util.h" -class VideoDecoder : public VideoSource, public virtual Decoder +class VideoContent; +class Image; + +class VideoDecoder : public virtual Decoder { public: - VideoDecoder (boost::shared_ptr<Film>, boost::shared_ptr<const DecodeOptions>, Job *); - - /** @return video frames per second, or 0 if unknown */ - virtual float frames_per_second () const = 0; - /** @return native size in pixels */ - virtual Size native_size () const = 0; - /** @return length (in source video frames), according to our content's header */ - virtual SourceFrame length () const = 0; - - virtual int time_base_numerator () const = 0; - virtual int time_base_denominator () const = 0; - virtual int sample_aspect_ratio_numerator () const = 0; - virtual int sample_aspect_ratio_denominator () const = 0; - - virtual void set_subtitle_stream (boost::shared_ptr<SubtitleStream>); - - void set_progress () const; + VideoDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const VideoContent>); + + /** Seek so that the next pass() will yield (approximately) the requested frame. + * Pass accurate = true to try harder to get close to the request. + */ + virtual void seek (VideoContent::Frame frame, bool accurate) = 0; + + /** Emitted when a video frame is ready. + * First parameter is the video image. + * Second parameter is the eye(s) which should see this image. + * Third parameter is true if the image is the same as the last one that was emitted for this Eyes value. + * Fourth parameter is the frame within our source. + */ + boost::signals2::signal<void (boost::shared_ptr<const Image>, Eyes, bool, VideoContent::Frame)> Video; - int video_frame () const { - return _video_frame; - } - - boost::shared_ptr<SubtitleStream> subtitle_stream () const { - return _subtitle_stream; - } - - std::vector<boost::shared_ptr<SubtitleStream> > subtitle_streams () const { - return _subtitle_streams; - } - - double last_source_time () const { - return _last_source_time; - } - protected: - - virtual PixelFormat pixel_format () const = 0; - - void emit_video (boost::shared_ptr<Image>, double); - void emit_subtitle (boost::shared_ptr<TimedSubtitle>); - void repeat_last_video (); - - /** Subtitle stream to use when decoding */ - boost::shared_ptr<SubtitleStream> _subtitle_stream; - /** Subtitle streams that this decoder's content has */ - std::vector<boost::shared_ptr<SubtitleStream> > _subtitle_streams; - -private: - void signal_video (boost::shared_ptr<Image>, bool, boost::shared_ptr<Subtitle>); - - int _video_frame; - double _last_source_time; - - boost::shared_ptr<TimedSubtitle> _timed_subtitle; - boost::shared_ptr<Image> _last_image; - boost::shared_ptr<Subtitle> _last_subtitle; + void video (boost::shared_ptr<const Image>, bool, VideoContent::Frame); + boost::shared_ptr<const VideoContent> _video_content; + VideoContent::Frame _video_position; }; #endif |
