- shared_ptr<const Film> film = _film.lock ();
- assert (film);
-
- shared_ptr<AnalyseAudioJob> job (new AnalyseAudioJob (film, dynamic_pointer_cast<AudioContent> (shared_from_this())));
- boost::signals2::connection c = job->Finished.connect (finished);
- JobManager::instance()->add (job);
+ double t = film->audio_frame_rate ();
+
+ FrameRateChange frc (film, _parent);
+
+ /* Compensate if the DCP is being run at a different frame rate
+ to the source; that is, if the video is run such that it will
+ look different in the DCP compared to the source (slower or faster).
+ */
+
+ if (frc.change_speed) {
+ t /= frc.speed_up;
+ }
+
+ return lrint (t);
+}
+
+string
+AudioContent::processing_description (shared_ptr<const Film> film) const
+{
+ if (streams().empty ()) {
+ return "";
+ }
+
+ /* Possible answers are:
+ 1. all audio will be resampled from x to y.
+ 2. all audio will be resampled to y (from a variety of rates)
+ 3. some audio will be resampled to y (from a variety of rates)
+ 4. nothing will be resampled.
+ */
+
+ bool not_resampled = false;
+ bool resampled = false;
+ bool same = true;
+
+ optional<int> common_frame_rate;
+ for (auto i: streams()) {
+ if (i->frame_rate() != resampled_frame_rate(film)) {
+ resampled = true;
+ } else {
+ not_resampled = true;
+ }
+
+ if (common_frame_rate && common_frame_rate != i->frame_rate ()) {
+ same = false;
+ }
+ common_frame_rate = i->frame_rate ();
+ }