+
+string
+Playlist::content_summary (DCPTimePeriod period) const
+{
+ string best_summary;
+ int best_score = -1;
+ BOOST_FOREACH (shared_ptr<Content> i, _content) {
+ int score = 0;
+ optional<DCPTimePeriod> const o = DCPTimePeriod(i->position(), i->end()).overlap (period);
+ if (o) {
+ score += 100 * o.get().duration().get() / period.duration().get();
+ }
+
+ if (i->video) {
+ score += 100;
+ }
+
+ if (score > best_score) {
+ best_summary = i->path(0).leaf().string();
+ best_score = score;
+ }
+ }
+
+ return best_summary;
+}
+
+pair<double, double>
+Playlist::speed_up_range (int dcp_video_frame_rate) const
+{
+ pair<double, double> range (DBL_MAX, -DBL_MAX);
+
+ BOOST_FOREACH (shared_ptr<Content> i, _content) {
+ if (!i->video) {
+ continue;
+ }
+ if (i->video_frame_rate()) {
+ FrameRateChange const frc (i->video_frame_rate().get(), dcp_video_frame_rate);
+ range.first = min (range.first, frc.speed_up);
+ range.second = max (range.second, frc.speed_up);
+ } else {
+ FrameRateChange const frc (dcp_video_frame_rate, dcp_video_frame_rate);
+ range.first = min (range.first, frc.speed_up);
+ range.second = max (range.second, frc.speed_up);
+ }
+ }
+
+ return range;
+}