X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_decoder.h;h=142320a049c8e7a23bf7aff2d618149d6259941d;hb=f660fe3f1be97f373318806a77b3ce3fcd53cb73;hp=0b05b2f7143690237754d810d8557d8e80cb9d77;hpb=28dbf4fd074d2046a3c8ddebac9a537a80fd457a;p=dcpomatic.git

diff --git a/src/lib/video_decoder.h b/src/lib/video_decoder.h
index 0b05b2f71..142320a04 100644
--- a/src/lib/video_decoder.h
+++ b/src/lib/video_decoder.h
@@ -20,50 +20,38 @@
 #ifndef DCPOMATIC_VIDEO_DECODER_H
 #define DCPOMATIC_VIDEO_DECODER_H
 
-#include "video_source.h"
+#include <boost/signals2.hpp>
+#include <boost/shared_ptr.hpp>
 #include "decoder.h"
+#include "video_content.h"
+#include "util.h"
 
 class VideoContent;
+class Image;
 
-class VideoDecoder : public TimedVideoSource, public virtual Decoder
+class VideoDecoder : public virtual Decoder
 {
 public:
-	VideoDecoder (boost::shared_ptr<const Film>);
-
-	/** @return video frame rate second, or 0 if unknown */
-	virtual float video_frame_rate () const = 0;
-	/** @return native size in pixels */
-	virtual libdcp::Size native_size () const = 0;
-	/** @return length according to our content's header */
-	virtual ContentVideoFrame video_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;
-
-	void set_progress (Job *) 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;
-	}
-
-	double last_content_time () const {
-		return _last_content_time;
-	}
-
 protected:
-	
-	virtual PixelFormat pixel_format () const = 0;
 
-	void emit_video (boost::shared_ptr<Image>, bool, double);
-	void emit_subtitle (boost::shared_ptr<TimedSubtitle>);
-
-private:
-	int _video_frame;
-	double _last_content_time;
-	
-	boost::shared_ptr<TimedSubtitle> _timed_subtitle;
+	void video (boost::shared_ptr<const Image>, bool, VideoContent::Frame);
+	boost::shared_ptr<const VideoContent> _video_content;
+	VideoContent::Frame _video_position;
 };
 
 #endif