+
+/** @return Video size after 3D split and crop */
+dcp::Size
+VideoContent::video_size_after_crop () const
+{
+ return crop().apply (video_size_after_3d_split ());
+}
+
+/** @param t A time offset from the start of this piece of content.
+ * @return Corresponding time with respect to the content.
+ */
+ContentTime
+VideoContent::dcp_time_to_content_time (DCPTime t) const
+{
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+ return ContentTime (t, FrameRateChange (video_frame_rate(), film->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
+{
+ stringstream s;
+
+ if (_ratio) {
+ s << _ratio->id () << "_";
+ } else {
+ s << (_scale ? "S1" : "S0");
+ }
+
+ return s.str ();
+}
+
+string
+VideoContentScale::name () const
+{
+ if (_ratio) {
+ return _ratio->nickname ();
+ }
+
+ if (_scale) {
+ return _("No stretch");
+ }
+
+ return _("No scale");
+}
+
+/** @param display_container Size of the container that we are displaying this content in.
+ * @param film_container The size of the film's image.
+ */
+dcp::Size
+VideoContentScale::size (shared_ptr<const VideoContent> c, dcp::Size display_container, dcp::Size film_container) const
+{
+ if (_ratio) {
+ return fit_ratio_within (_ratio->ratio (), display_container);
+ }
+
+ dcp::Size const ac = c->video_size_after_crop ();
+
+ /* Force scale if the film_container is smaller than the content's image */
+ if (_scale || film_container.width < ac.width || film_container.height < ac.height) {
+ return fit_ratio_within (ac.ratio (), display_container);
+ }
+
+ /* Scale the image so that it will be in the right place in film_container, even if display_container is a
+ different size.
+ */
+ return dcp::Size (
+ c->video_size().width * float(display_container.width) / film_container.width,
+ c->video_size().height * float(display_container.height) / film_container.height
+ );
+}
+
+void
+VideoContentScale::setup_scales ()
+{
+ vector<Ratio const *> ratios = Ratio::all ();
+ for (vector<Ratio const *>::const_iterator i = ratios.begin(); i != ratios.end(); ++i) {
+ _scales.push_back (VideoContentScale (*i));
+ }
+
+ _scales.push_back (VideoContentScale (true));
+ _scales.push_back (VideoContentScale (false));
+}
+
+bool
+operator== (VideoContentScale const & a, VideoContentScale const & b)
+{
+ return (a.ratio() == b.ratio() && a.scale() == b.scale());
+}
+
+bool
+operator!= (VideoContentScale const & a, VideoContentScale const & b)
+{
+ return (a.ratio() != b.ratio() || a.scale() != b.scale());
+}