+
+ maybe_set_container_and_resolution ();
+}
+
+
+void
+Film::maybe_set_container_and_resolution ()
+{
+ /* Get the only piece of video content, if there is only one */
+ shared_ptr<VideoContent> video;
+ BOOST_FOREACH (shared_ptr<const Content> i, _playlist->content()) {
+ if (i->video) {
+ if (!video) {
+ video = i->video;
+ } else {
+ video.reset ();
+ }
+ }
+ }
+
+ if (video) {
+ /* This is the only piece of video content in this Film. Use it to make a guess for
+ * DCP container size and resolution, unless the user has already explicitly set these
+ * things.
+ */
+ if (!_user_explicit_container) {
+ if (video->size().ratio() > 2.3) {
+ set_container (Ratio::from_id("239"), false);
+ } else {
+ set_container (Ratio::from_id("185"), false);
+ }
+ }
+
+ if (!_user_explicit_resolution) {
+ if (video->size_after_crop().width > 2048 || video->size_after_crop().height > 1080) {
+ set_resolution (RESOLUTION_4K, false);
+ } else {
+ set_resolution (RESOLUTION_2K, false);
+ }
+ }
+ }