-
-void
-Encoder::write_audio (shared_ptr<const AudioBuffers> data)
-{
- AudioMapping m (_film->audio_channels ());
- if (m.dcp_channels() != _film->audio_channels()) {
-
- /* Remap (currently just for mono -> 5.1) */
-
- shared_ptr<AudioBuffers> b (new AudioBuffers (m.dcp_channels(), data->frames ()));
- for (int i = 0; i < m.dcp_channels(); ++i) {
- optional<int> s = m.dcp_to_source (static_cast<libdcp::Channel> (i));
- if (!s) {
- b->make_silent (i);
- } else {
- memcpy (b->data()[i], data->data()[s.get()], data->frames() * sizeof(float));
- }
- }
-
- data = b;
- }
-
- _writer->write (data);
-}