- pair<Time, Time> range (TIME_MAX, 0);
- for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
- range.first = min (range.first, (*i)->start ());
- range.second = max (range.second, (*i)->start ());
- range.first = min (range.first, (*i)->end ());
- range.second = max (range.second, (*i)->end ());
- }
-
- Time pos = range.second;
- for (int i = 0; i < n; ++i) {
- for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
- shared_ptr<Content> copy = (*i)->clone ();
- copy->set_start (pos + copy->start() - range.first);
- _content.push_back (copy);
+ ContentList cont = content ();
+ ContentList::iterator i = cont.begin();
+ while (i != cont.end() && *i != c) {
+ ++i;
+ }
+
+ DCPOMATIC_ASSERT (i != cont.end());
+
+ ContentList::iterator next = i;
+ ++next;
+
+ if (next == cont.end()) {
+ return;
+ }
+
+ shared_ptr<Content> next_c = *next;
+
+ next_c->set_position (film, c->position());
+ c->set_position (film, c->position() + next_c->length_after_trim(film));
+}
+
+int64_t
+Playlist::required_disk_space (shared_ptr<const Film> film, int j2k_bandwidth, int audio_channels, int audio_frame_rate) const
+{
+ int64_t video = uint64_t (j2k_bandwidth / 8) * length(film).seconds();
+ int64_t audio = uint64_t (audio_channels * audio_frame_rate * 3) * length(film).seconds();
+
+ BOOST_FOREACH (shared_ptr<Content> i, content()) {
+ shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (i);
+ if (d) {
+ if (d->reference_video()) {
+ video -= uint64_t (j2k_bandwidth / 8) * d->length_after_trim(film).seconds();
+ }
+ if (d->reference_audio()) {
+ audio -= uint64_t (audio_channels * audio_frame_rate * 3) * d->length_after_trim(film).seconds();
+ }
+ }
+ }
+
+ /* Add on 64k for bits and pieces (metadata, subs etc) */
+ return video + audio + 65536;
+}
+
+string
+Playlist::content_summary (shared_ptr<const Film> film, 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(film)).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);