+
+ set_scale (VideoContentScale (film->container ()));
+
+ int const crop = max (0, int (video_size().height - double (film->frame_size().height) * video_size().width / film->frame_size().width));
+ set_top_crop (crop / 2);
+ set_bottom_crop (crop / 2);
+}
+
+void
+VideoContent::scale_and_crop_to_fit_height ()
+{
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+
+ set_scale (VideoContentScale (film->container ()));
+
+ int const crop = max (0, int (video_size().width - double (film->frame_size().width) * video_size().height / film->frame_size().height));
+ set_left_crop (crop / 2);
+ set_right_crop (crop / 2);
+}
+
+void
+VideoContent::set_video_frame_rate (float r)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_video_frame_rate == r) {
+ return;
+ }
+
+ _video_frame_rate = r;
+ }
+
+ signal_changed (VideoContentProperty::VIDEO_FRAME_RATE);
+}
+
+VideoContentScale::VideoContentScale (Ratio const * r)
+ : _ratio (r)
+ , _scale (true)
+{
+
+}
+
+VideoContentScale::VideoContentScale ()
+ : _ratio (0)
+ , _scale (false)
+{
+
+}
+
+VideoContentScale::VideoContentScale (bool scale)
+ : _ratio (0)
+ , _scale (scale)
+{
+
+}
+
+VideoContentScale::VideoContentScale (cxml::NodePtr node)
+ : _ratio (0)
+ , _scale (true)
+{
+ optional<string> r = node->optional_string_child ("Ratio");
+ if (r) {
+ _ratio = Ratio::from_id (r.get ());
+ } else {
+ _scale = node->bool_child ("Scale");
+ }
+}
+
+void
+VideoContentScale::as_xml (xmlpp::Node* node) const
+{
+ if (_ratio) {
+ node->add_child("Ratio")->add_child_text (_ratio->id ());
+ } else {
+ node->add_child("Scale")->add_child_text (_scale ? "1" : "0");
+ }
+}
+
+string
+VideoContentScale::id () const
+{
+ SafeStringStream s;