+
+void
+Player::emit_audio (shared_ptr<AudioBuffers> data, DCPTime time)
+{
+ /* Log if the assert below is about to fail */
+ if (_last_audio_time && labs(time.get() - _last_audio_time->get()) > 1) {
+ _film->log()->log(String::compose("Out-of-sequence emit %1 vs %2", to_string(time), to_string(*_last_audio_time)), LogEntry::TYPE_WARNING);
+ }
+
+ /* This audio must follow on from the previous, allowing for half a sample (at 48kHz) leeway */
+ DCPOMATIC_ASSERT (!_last_audio_time || labs(time.get() - _last_audio_time->get()) < 2);
+ Audio (data, time, _film->audio_frame_rate());
+ _last_audio_time = time + DCPTime::from_frames (data->frames(), _film->audio_frame_rate());
+}
+
+void
+Player::fill_audio (DCPTimePeriod period)
+{
+ if (period.from == period.to) {
+ return;
+ }
+
+ DCPOMATIC_ASSERT (period.from < period.to);
+
+ DCPTime t = period.from;
+ while (t < period.to) {
+ DCPTime block = min (DCPTime::from_seconds (0.5), period.to - t);
+ Frame const samples = block.frames_round(_film->audio_frame_rate());
+ if (samples) {
+ shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->audio_channels(), samples));
+ silence->make_silent ();
+ emit_audio (silence, t);
+ }
+ t += block;
+ }
+}
+
+DCPTime
+Player::one_video_frame () const
+{
+ return DCPTime::from_frames (1, _film->video_frame_rate ());
+}
+
+pair<shared_ptr<AudioBuffers>, DCPTime>
+Player::discard_audio (shared_ptr<const AudioBuffers> audio, DCPTime time, DCPTime discard_to) const
+{
+ DCPTime const discard_time = discard_to - time;
+ Frame const discard_frames = discard_time.frames_round(_film->audio_frame_rate());
+ Frame remaining_frames = audio->frames() - discard_frames;
+ if (remaining_frames <= 0) {
+ return make_pair(shared_ptr<AudioBuffers>(), DCPTime());
+ }
+ shared_ptr<AudioBuffers> cut (new AudioBuffers(audio, remaining_frames, discard_frames));
+ return make_pair(cut, time + discard_time);
+}
+
+void
+Player::set_dcp_decode_reduction (optional<int> reduction)
+{
+ Change (CHANGE_TYPE_PENDING, PlayerProperty::DCP_DECODE_REDUCTION, false);
+
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+
+ if (reduction == _dcp_decode_reduction) {
+ lm.unlock ();
+ Change (CHANGE_TYPE_CANCELLED, PlayerProperty::DCP_DECODE_REDUCTION, false);
+ return;
+ }
+
+ _dcp_decode_reduction = reduction;
+ setup_pieces_unlocked ();
+ }
+
+ Change (CHANGE_TYPE_DONE, PlayerProperty::DCP_DECODE_REDUCTION, false);
+}
+
+optional<DCPTime>
+Player::content_time_to_dcp (shared_ptr<Content> content, ContentTime t)
+{
+ boost::mutex::scoped_lock lm (_mutex);
+
+ BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
+ if (i->content == content) {
+ return content_time_to_dcp (i, t);
+ }
+ }
+
+ /* We couldn't find this content; perhaps things are being changed over */
+ return optional<DCPTime>();
+}
+
+
+shared_ptr<const Playlist>
+Player::playlist () const
+{
+ return _playlist ? _playlist : _film->playlist();
+}
+
+
+void
+Player::atmos (weak_ptr<Piece>, ContentAtmos data)
+{
+ Atmos (data.data, DCPTime::from_frames(data.frame, _film->video_frame_rate()), data.metadata);
+}
+