Prevent erroneous creation of subtitle MXF where there are no subtitles.

[dcpomatic.git] / src / lib / subtitle_content.h

diff --git a/src/lib/subtitle_content.h b/src/lib/subtitle_content.h
index 5eb4e500dacd1a7bca230d5bd41b249d110bef63..1425c33cd695ff5a06941e11db27cd5386c7000b 100644 (file)
--- a/src/lib/subtitle_content.h
+++ b/src/lib/subtitle_content.h
@@ -25,38 +25,62 @@
 class SubtitleContentProperty
 {
 public:
-       static int const SUBTITLE_OFFSET;
+       static int const SUBTITLE_X_OFFSET;
+       static int const SUBTITLE_Y_OFFSET;
        static int const SUBTITLE_SCALE;
+       static int const SUBTITLE_USE;
 };
 
 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>, boost::shared_ptr<const cxml::Node>);
-       
+       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;
 
-       void set_subtitle_offset (int);
-       void set_subtitle_scale (float);
+       void set_subtitle_use (bool);
+       void set_subtitle_x_offset (double);
+       void set_subtitle_y_offset (double);
+       void set_subtitle_scale (double);
 
-       int subtitle_offset () const {
+       bool subtitle_use () const {
                boost::mutex::scoped_lock lm (_mutex);
-               return _subtitle_offset;
+               return _subtitle_use;
        }
 
-       float subtitle_scale () const {
+       double subtitle_x_offset () const {
+               boost::mutex::scoped_lock lm (_mutex);
+               return _subtitle_x_offset;
+       }
+
+       double subtitle_y_offset () const {
+               boost::mutex::scoped_lock lm (_mutex);
+               return _subtitle_y_offset;
+       }
+
+       double subtitle_scale () const {
                boost::mutex::scoped_lock lm (_mutex);
                return _subtitle_scale;
        }
-       
-private:       
-       /** y offset for placing subtitles, in source pixels; +ve is further down
-           the frame, -ve is further up.
-       */
-       int _subtitle_offset;
+
+private:
+       friend class ffmpeg_pts_offset_test;
+
+       bool _subtitle_use;
+       /** x offset for placing subtitles, as a proportion of the container width;
+        * +ve is further right, -ve is further left.
+        */
+       double _subtitle_x_offset;
+       /** y offset for placing subtitles, as a proportion of the container height;
+        *  +ve is further down the frame, -ve is further up.
+        */
+       double _subtitle_y_offset;
        /** scale factor to apply to subtitles */
-       float _subtitle_scale;
+       double _subtitle_scale;
 };
 
 #endif