diff options
Diffstat (limited to 'src/libs/engine/JackAudioDriver.cpp')
| -rw-r--r-- | src/libs/engine/JackAudioDriver.cpp | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/src/libs/engine/JackAudioDriver.cpp b/src/libs/engine/JackAudioDriver.cpp index 4f32beb4..b5748e78 100644 --- a/src/libs/engine/JackAudioDriver.cpp +++ b/src/libs/engine/JackAudioDriver.cpp @@ -267,24 +267,25 @@ JackAudioDriver::_process_cb(jack_nframes_t nframes) // FIXME: all of this time stuff is screwy - static jack_nframes_t start_of_current_cycle = 0; - static jack_nframes_t start_of_last_cycle = 0; - // FIXME: support nframes != buffer_size, even though that never damn well happens assert(nframes == _buffer_size); // Jack can elect to not call this function for a cycle, if overloaded // FIXME: this doesn't make sense, and the start time isn't used anyway - start_of_current_cycle = jack_last_frame_time(_client); - start_of_last_cycle = start_of_current_cycle - nframes; + const jack_nframes_t start_of_current_cycle = jack_last_frame_time(_client); + const jack_nframes_t start_of_last_cycle = start_of_current_cycle - nframes; // FIXME: maybe not.. + const jack_nframes_t end_of_current_cycle = start_of_current_cycle + nframes; // FIXME: ditto assert(start_of_current_cycle - start_of_last_cycle == nframes); _transport_state = jack_transport_query(_client, &_position); + // Process events that came in during the last cycle + // (Aiming for jitter-free 1 block event latency, ideally) if (_engine.event_source()) - _engine.event_source()->process(*_engine.post_processor(), nframes, start_of_last_cycle, start_of_current_cycle); + _engine.event_source()->process(*_engine.post_processor(), nframes, + start_of_last_cycle, start_of_current_cycle); // Set buffers of patch ports to Jack port buffers (zero-copy processing) for (Raul::List<JackAudioPort*>::iterator i = _ports.begin(); i != _ports.end(); ++i) { @@ -293,14 +294,16 @@ JackAudioDriver::_process_cb(jack_nframes_t nframes) } assert(_engine.midi_driver()); - //_engine.midi_driver()->prepare_block(start_of_last_cycle, start_of_current_cycle); - _engine.midi_driver()->prepare_block(start_of_current_cycle, start_of_current_cycle + nframes); - + _engine.midi_driver()->pre_process(_process_context, nframes, + start_of_current_cycle, end_of_current_cycle); // Run root patch if (_root_patch) - _root_patch->process(_process_context, nframes, start_of_current_cycle, - start_of_current_cycle + nframes); + _root_patch->process(_process_context, nframes, + start_of_current_cycle, end_of_current_cycle); + + _engine.midi_driver()->post_process(_process_context, nframes, + start_of_current_cycle, end_of_current_cycle); return 0; } |