+ resampler.reset (new Resampler (stream->frame_rate(), _content->resampled_frame_rate(film), stream->channels()));
+ if (_fast) {
+ resampler->set_fast ();
+ }
+ _resamplers[stream] = resampler;
+ }
+ }
+
+ if (resampler) {
+ shared_ptr<const AudioBuffers> ro = resampler->run (data);
+ if (ro->frames() == 0) {
+ return;
+ }
+ data = ro;
+ }
+
+ Data(stream, ContentAudio (data, _positions[stream]));
+ _positions[stream] += data->frames();
+}
+
+/** @return Time just after the last thing that was emitted from a given stream */
+ContentTime
+AudioDecoder::stream_position (shared_ptr<const Film> film, AudioStreamPtr stream) const
+{
+ PositionMap::const_iterator i = _positions.find (stream);
+ DCPOMATIC_ASSERT (i != _positions.end ());
+ return ContentTime::from_frames (i->second, _content->resampled_frame_rate(film));
+}
+
+ContentTime
+AudioDecoder::position (shared_ptr<const Film> film) const
+{
+ optional<ContentTime> p;
+ for (PositionMap::const_iterator i = _positions.begin(); i != _positions.end(); ++i) {
+ ContentTime const ct = stream_position (film, i->first);
+ if (!p || ct < *p) {
+ p = ct;
+ }
+ }
+
+ return p.get_value_or(ContentTime());