diff options
Diffstat (limited to 'libs/ardour/audioengine.cc')
| -rw-r--r-- | libs/ardour/audioengine.cc | 144 |
1 files changed, 137 insertions, 7 deletions
diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc index 1e43c590a0..1f26e12a3b 100644 --- a/libs/ardour/audioengine.cc +++ b/libs/ardour/audioengine.cc @@ -165,6 +165,33 @@ AudioEngine::split_cycle (pframes_t offset) } } +int +AudioEngine::sample_rate_change (pframes_t nframes) +{ + /* check for monitor input change every 1/10th of second */ + + monitor_check_interval = nframes / 10; + last_monitor_check = 0; + + if (_session) { + _session->set_frame_rate (nframes); + } + + SampleRateChanged (nframes); /* EMIT SIGNAL */ + + return 0; +} + +int +AudioEngine::buffer_size_change (pframes_t bufsiz) +{ + if (_session) { + _session->set_block_size (bufsiz); + last_monitor_check = 0; + } + + return 0; +} /** Method called by our ::process_thread when there is work to be done. * @param nframes Number of frames to process. @@ -399,7 +426,7 @@ AudioEngine::set_session (Session *s) start_metering_thread (); - pframes_t blocksize = _backend->get_buffer_size (); + pframes_t blocksize = _backend->buffer_size (); /* page in as much of the session process code as we can before we really start running. @@ -558,6 +585,12 @@ AudioEngine::start () if (_backend->start() == 0) { _running = true; _has_run = true; + last_monitor_check = 0; + + if (_session && _session->config.get_jack_time_master()) { + _backend->set_time_master (true); + } + Running(); /* EMIT SIGNAL */ } else { /* should report error? */ @@ -573,8 +606,19 @@ AudioEngine::stop () if (!_backend) { return 0; } - - return _backend->stop (); + + Glib::Threads::Mutex::Lock lm (_process_lock); + + if (_backend->stop () == 0) { + _running = false; + stop_metering_thread (); + + Stopped (); /* EMIT SIGNAL */ + + return 0; + } + + return -1; } int @@ -584,7 +628,13 @@ AudioEngine::pause () return 0; } - return _backend->pause (); + if (_backend->pause () == 0) { + _running = false; + Stopped(); /* EMIT SIGNAL */ + return 0; + } + + return -1; } int @@ -605,7 +655,17 @@ AudioEngine::get_cpu_load() const if (!_backend) { return 0.0; } - return _backend->get_cpu_load (); + return _backend->cpu_load (); +} + +bool +AudioEngine::is_realtime() const +{ + if (!_backend) { + return false; + } + + return _backend->is_realtime(); } void @@ -668,7 +728,7 @@ AudioEngine::samples_per_cycle () const if (!_backend) { return 0; } - return _backend->samples_per_cycle (); + return _backend->buffer_size (); } int @@ -677,7 +737,7 @@ AudioEngine::usecs_per_cycle () const if (!_backend) { return -1; } - return _backend->start (); + return _backend->usecs_per_cycle (); } size_t @@ -734,3 +794,73 @@ AudioEngine::create_process_thread (boost::function<void()> func, pthread_t* thr return _backend->create_process_thread (func, thr, stacksize); } + +void +AudioEngine::thread_init_callback (void* arg) +{ + /* make sure that anybody who needs to know about this thread + knows about it. + */ + + pthread_set_name (X_("audioengine")); + + PBD::notify_gui_about_thread_creation ("gui", pthread_self(), X_("AudioEngine"), 4096); + PBD::notify_gui_about_thread_creation ("midiui", pthread_self(), X_("AudioEngine"), 128); + + SessionEvent::create_per_thread_pool (X_("AudioEngine"), 512); + + MIDI::JackMIDIPort::set_process_thread (pthread_self()); + + if (arg) { + AudioEngine* ae = static_cast<AudioEngine*> (arg); + /* the special thread created/managed by the backend */ + ae->_main_thread = new ProcessThread; + } +} + +/* XXXX +void +AudioEngine::timebase_callback (TransportState state, pframes_t nframes, jack_position_t pos, int new_position) +{ + if (_session && _session->synced_to_jack()) { + // _session->timebase_callback (state, nframes, pos, new_position); + } +} +*/ + +int +AudioEngine::sync_callback (TransportState state, framepos_t position) +{ + if (_session) { + return _session->jack_sync_callback (state, position); + } + return 0; +} + +void +AudioEngine::freewheel_callback (bool onoff) +{ + if (onoff) { + _pre_freewheel_mmc_enabled = MIDI::Manager::instance()->mmc()->send_enabled (); + MIDI::Manager::instance()->mmc()->enable_send (false); + } else { + MIDI::Manager::instance()->mmc()->enable_send (_pre_freewheel_mmc_enabled); + } +} + +void +AudioEngine::latency_callback (bool for_playback) +{ + if (_session) { + _session->update_latency (for_playback); + } +} + +void +AudioEngine::halted_callback (const char* why) +{ + stop_metering_thread (); + + MIDI::JackMIDIPort::EngineHalted (); /* EMIT SIGNAL */ + Halted (why); /* EMIT SIGNAL */ +} |