X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_content.h;h=4206efc2c487d047a744d6634271f810d6d447e2;hb=04533b9cf34ce8089113015715083ee9c5b2b001;hp=6f80536fe4a4d6eb64c317a92b7789b107f025d4;hpb=8053593f2ccff66287c43d20a8f28be9919bff75;p=dcpomatic.git

diff --git a/src/lib/video_content.h b/src/lib/video_content.h
index 6f80536fe..4206efc2c 100644
--- a/src/lib/video_content.h
+++ b/src/lib/video_content.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -33,30 +33,79 @@ public:
 	static int const VIDEO_FRAME_RATE;
 	static int const VIDEO_FRAME_TYPE;
 	static int const VIDEO_CROP;
-	static int const VIDEO_RATIO;
+	static int const VIDEO_SCALE;
 	static int const COLOUR_CONVERSION;
 };
 
+class VideoContentScale
+{
+public:
+	VideoContentScale ();
+	VideoContentScale (Ratio const *);
+	VideoContentScale (bool);
+	VideoContentScale (cxml::NodePtr);
+
+	dcp::Size size (boost::shared_ptr<const VideoContent>, dcp::Size, dcp::Size) const;
+	std::string id () const;
+	std::string name () const;
+	void as_xml (xmlpp::Node *) const;
+
+	Ratio const * ratio () const {
+		return _ratio;
+	}
+
+	bool scale () const {
+		return _scale;
+	}
+
+	static void setup_scales ();
+	static std::vector<VideoContentScale> all () {
+		return _scales;
+	}
+
+private:
+	/** a ratio to stretch the content to, or 0 for no stretch */
+	Ratio const * _ratio;
+	/** true if we want to scale the content */
+	bool _scale;
+
+	static std::vector<VideoContentScale> _scales;
+};
+
+bool operator== (VideoContentScale const & a, VideoContentScale const & b);
+bool operator!= (VideoContentScale const & a, VideoContentScale const & b);
+
 class VideoContent : public virtual Content
 {
 public:
 	typedef int Frame;
 
-	VideoContent (boost::shared_ptr<const Film>, Time, VideoContent::Frame);
+	VideoContent (boost::shared_ptr<const Film>);
+	VideoContent (boost::shared_ptr<const Film>, DCPTime, ContentTime);
 	VideoContent (boost::shared_ptr<const Film>, boost::filesystem::path);
-	VideoContent (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>);
+	VideoContent (boost::shared_ptr<const Film>, cxml::ConstNodePtr, int);
+	VideoContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
 
 	void as_xml (xmlpp::Node *) const;
 	std::string technical_summary () const;
 	virtual std::string information () const;
 	virtual std::string identifier () const;
 
-	VideoContent::Frame video_length () const {
+	ContentTime video_length () const {
 		boost::mutex::scoped_lock lm (_mutex);
 		return _video_length;
 	}
 
-	libdcp::Size video_size () const {
+	ContentTime video_length_after_3d_combine () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		if (_video_frame_type == VIDEO_FRAME_TYPE_3D_ALTERNATE) {
+			return ContentTime (_video_length.get() / 2);
+		}
+		
+		return _video_length;
+	}
+
+	dcp::Size video_size () const {
 		boost::mutex::scoped_lock lm (_mutex);
 		return _video_size;
 	}
@@ -73,8 +122,9 @@ public:
 	void set_top_crop (int);
 	void set_bottom_crop (int);
 
+	void set_scale (VideoContentScale);
 	void set_colour_conversion (ColourConversion);
-
+	
 	VideoFrameType video_frame_type () const {
 		boost::mutex::scoped_lock lm (_mutex);
 		return _video_frame_type;
@@ -85,12 +135,30 @@ public:
 		return _crop;
 	}
 
-	void set_ratio (Ratio const *);
+	int left_crop () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _crop.left;
+	}
+
+	int right_crop () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _crop.right;
+	}
 
-	/** @return ratio to scale to, or 0 if the content's own ratio should be preserved. */
-	Ratio const * ratio () const {
+	int top_crop () const {
 		boost::mutex::scoped_lock lm (_mutex);
-		return _ratio;
+		return _crop.top;
+	}
+
+	int bottom_crop () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _crop.bottom;
+	}
+
+	/** @return Description of how to scale this content (if indeed it should be scaled) */
+	VideoContentScale scale () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _scale;
 	}
 
 	ColourConversion colour_conversion () const {
@@ -98,15 +166,19 @@ public:
 		return _colour_conversion;
 	}
 
-	libdcp::Size video_size_after_3d_split () const;
-	libdcp::Size video_size_after_crop () const;
+	dcp::Size video_size_after_3d_split () const;
+	dcp::Size video_size_after_crop () const;
+
+	ContentTime dcp_time_to_content_time (DCPTime) const;
 
-	VideoContent::Frame time_to_content_video_frames (Time) const;
+	void scale_and_crop_to_fit_width ();
+	void scale_and_crop_to_fit_height ();
 
 protected:
 	void take_from_video_examiner (boost::shared_ptr<VideoExaminer>);
 
-	VideoContent::Frame _video_length;
+	ContentTime _video_length;
+	float _video_frame_rate;
 
 private:
 	friend class ffmpeg_pts_offset_test;
@@ -116,11 +188,10 @@ private:
 
 	void setup_default_colour_conversion ();
 	
-	libdcp::Size _video_size;
-	float _video_frame_rate;
+	dcp::Size _video_size;
 	VideoFrameType _video_frame_type;
 	Crop _crop;
-	Ratio const * _ratio;
+	VideoContentScale _scale;
 	ColourConversion _colour_conversion;
 };