X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fsubtitle_content.h;h=e9017e40da4d51d500a4704235cf160ee6e13b4f;hb=d456cc07a466329a4c07e5c13322b34814e6489e;hp=b73119bdb9dccef91e87e516f3b1c475da3fdfda;hpb=dc1c279211773ad68cb0348eb802cf5c9594d8dd;p=dcpomatic.git

diff --git a/src/lib/subtitle_content.h b/src/lib/subtitle_content.h
index b73119bdb..e9017e40d 100644
--- a/src/lib/subtitle_content.h
+++ b/src/lib/subtitle_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
@@ -22,32 +22,62 @@
 
 #include "content.h"
 
+class Font;
+
 class SubtitleContentProperty
 {
 public:
 	static int const SUBTITLE_X_OFFSET;
 	static int const SUBTITLE_Y_OFFSET;
-	static int const SUBTITLE_SCALE;
-	static int const SUBTITLE_USE;
+	static int const SUBTITLE_X_SCALE;
+	static int const SUBTITLE_Y_SCALE;
+	static int const USE_SUBTITLES;
+	static int const BURN_SUBTITLES;
+	static int const SUBTITLE_LANGUAGE;
+	static int const FONTS;
+	static int const SUBTITLE_VIDEO_FRAME_RATE;
 };
 
+/** @class SubtitleContent
+ *  @brief Parent for content which has the potential to include subtitles.
+ *
+ *  Although inheriting from this class indicates that the content could
+ *  have subtitles, it may not.  ::has_subtitles() will tell you.
+ */
 class SubtitleContent : public virtual Content
 {
 public:
+	SubtitleContent (boost::shared_ptr<const Film>);
 	SubtitleContent (boost::shared_ptr<const Film>, boost::filesystem::path);
 	SubtitleContent (boost::shared_ptr<const Film>, cxml::ConstNodePtr, int version);
 	SubtitleContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
 
 	void as_xml (xmlpp::Node *) const;
+	std::string identifier () const;
+
+	bool has_subtitles () const;
+	virtual bool has_text_subtitles () const = 0;
+	virtual bool has_image_subtitles () const = 0;
+	virtual double subtitle_video_frame_rate () const = 0;
 
-	void set_subtitle_use (bool);
+	void add_font (boost::shared_ptr<Font> font);
+
+	void set_use_subtitles (bool);
+	void set_burn_subtitles (bool);
 	void set_subtitle_x_offset (double);
 	void set_subtitle_y_offset (double);
-	void set_subtitle_scale (double);
+	void set_subtitle_x_scale (double);
+	void set_subtitle_y_scale (double);
+	void set_subtitle_language (std::string language);
+
+	bool use_subtitles () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _use_subtitles;
+	}
 
-	bool subtitle_use () const {
+	bool burn_subtitles () const {
 		boost::mutex::scoped_lock lm (_mutex);
-		return _subtitle_use;
+		return _burn_subtitles;
 	}
 
 	double subtitle_x_offset () const {
@@ -60,15 +90,37 @@ public:
 		return _subtitle_y_offset;
 	}
 
-	double subtitle_scale () const {
+	double subtitle_x_scale () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _subtitle_x_scale;
+	}
+
+	double subtitle_y_scale () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _subtitle_y_scale;
+	}
+
+	std::list<boost::shared_ptr<Font> > fonts () const {
 		boost::mutex::scoped_lock lm (_mutex);
-		return _subtitle_scale;
+		return _fonts;
 	}
 
+	std::string subtitle_language () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _subtitle_language;
+	}
+
+protected:
+	/** subtitle language (e.g. "German") or empty if it is not known */
+	std::string _subtitle_language;
+
 private:
-	friend class ffmpeg_pts_offset_test;
+	friend struct ffmpeg_pts_offset_test;
+	void font_changed ();
+	void connect_to_fonts ();
 
-	bool _subtitle_use;
+	bool _use_subtitles;
+	bool _burn_subtitles;
 	/** x offset for placing subtitles, as a proportion of the container width;
 	 * +ve is further right, -ve is further left.
 	 */
@@ -77,8 +129,12 @@ private:
 	 *  +ve is further down the frame, -ve is further up.
 	 */
 	double _subtitle_y_offset;
-	/** scale factor to apply to subtitles */
-	double _subtitle_scale;
+	/** x scale factor to apply to subtitles */
+	double _subtitle_x_scale;
+	/** y scale factor to apply to subtitles */
+	double _subtitle_y_scale;
+	std::list<boost::shared_ptr<Font> > _fonts;
+	std::list<boost::signals2::connection> _font_connections;
 };
 
 #endif