static std::string s_instance_name;
size_t CoreAudioBackend::_max_buffer_size = 8192;
std::vector<std::string> CoreAudioBackend::_midi_options;
-std::vector<AudioBackend::DeviceStatus> CoreAudioBackend::_audio_device_status;
-std::vector<AudioBackend::DeviceStatus> CoreAudioBackend::_midi_device_status;
+std::vector<AudioBackend::DeviceStatus> CoreAudioBackend::_duplex_audio_device_status;
+std::vector<AudioBackend::DeviceStatus> CoreAudioBackend::_input_audio_device_status;
+std::vector<AudioBackend::DeviceStatus> CoreAudioBackend::_output_audio_device_status;
+
+
+/* static class instance access */
+static void hw_changed_callback_ptr (void *arg)
+{
+ CoreAudioBackend *d = static_cast<CoreAudioBackend*> (arg);
+ d->hw_changed_callback();
+}
+
+static void error_callback_ptr (void *arg)
+{
+ CoreAudioBackend *d = static_cast<CoreAudioBackend*> (arg);
+ d->error_callback();
+}
+
+static void xrun_callback_ptr (void *arg)
+{
+ CoreAudioBackend *d = static_cast<CoreAudioBackend*> (arg);
+ d->xrun_callback();
+}
+
+static void buffer_size_callback_ptr (void *arg)
+{
+ CoreAudioBackend *d = static_cast<CoreAudioBackend*> (arg);
+ d->buffer_size_callback();
+}
+
+static void sample_rate_callback_ptr (void *arg)
+{
+ CoreAudioBackend *d = static_cast<CoreAudioBackend*> (arg);
+ d->sample_rate_callback();
+}
+
+static void midi_port_change (void *arg)
+{
+ CoreAudioBackend *d = static_cast<CoreAudioBackend *>(arg);
+ d->coremidi_rediscover ();
+}
+
CoreAudioBackend::CoreAudioBackend (AudioEngine& e, AudioBackendInfo& info)
: AudioBackend (e, info)
, _freewheel_ack (false)
, _reinit_thread_callback (false)
, _measure_latency (false)
- , _audio_device("")
- , _midi_driver_option(_("None"))
+ , _last_process_start (0)
+ , _input_audio_device("")
+ , _output_audio_device("")
+ , _midi_driver_option(get_standard_device_name(DeviceNone))
, _samplerate (48000)
, _samples_per_period (1024)
, _n_inputs (0)
_instance_name = s_instance_name;
pthread_mutex_init (&_port_callback_mutex, 0);
pthread_mutex_init (&_process_callback_mutex, 0);
+ pthread_mutex_init (&_freewheel_mutex, 0);
+ pthread_cond_init (&_freewheel_signal, 0);
_pcmio = new CoreAudioPCM ();
_midiio = new CoreMidiIo ();
+ _pcmio->set_hw_changed_callback (hw_changed_callback_ptr, this);
_pcmio->discover();
- _midiio->discover();
}
CoreAudioBackend::~CoreAudioBackend ()
delete _midiio; _midiio = 0;
pthread_mutex_destroy (&_port_callback_mutex);
pthread_mutex_destroy (&_process_callback_mutex);
+ pthread_mutex_destroy (&_freewheel_mutex);
+ pthread_cond_destroy (&_freewheel_signal);
}
/* AUDIOBACKEND API */
std::string
CoreAudioBackend::name () const
{
- // XXX avoid name -conflict w/waves
- return X_("CoreAudio2");
+ return X_("CoreAudio");
}
bool
std::vector<AudioBackend::DeviceStatus>
CoreAudioBackend::enumerate_devices () const
{
- _audio_device_status.clear();
+ _duplex_audio_device_status.clear();
std::map<size_t, std::string> devices;
- _pcmio->device_list(devices);
+ _pcmio->duplex_device_list(devices);
for (std::map<size_t, std::string>::const_iterator i = devices.begin (); i != devices.end(); ++i) {
- if (_audio_device == "") _audio_device = i->second;
- _audio_device_status.push_back (DeviceStatus (i->second, true));
+ if (_input_audio_device == "") _input_audio_device = i->second;
+ if (_output_audio_device == "") _output_audio_device = i->second;
+ _duplex_audio_device_status.push_back (DeviceStatus (i->second, true));
}
- return _audio_device_status;
+ return _duplex_audio_device_status;
+}
+
+std::vector<AudioBackend::DeviceStatus>
+CoreAudioBackend::enumerate_input_devices () const
+{
+ _input_audio_device_status.clear();
+ std::map<size_t, std::string> devices;
+ _pcmio->input_device_list(devices);
+
+ _input_audio_device_status.push_back (DeviceStatus (get_standard_device_name(DeviceNone), true));
+ for (std::map<size_t, std::string>::const_iterator i = devices.begin (); i != devices.end(); ++i) {
+ if (_input_audio_device == "") _input_audio_device = i->second;
+ _input_audio_device_status.push_back (DeviceStatus (i->second, true));
+ }
+ return _input_audio_device_status;
+}
+
+
+std::vector<AudioBackend::DeviceStatus>
+CoreAudioBackend::enumerate_output_devices () const
+{
+ _output_audio_device_status.clear();
+ std::map<size_t, std::string> devices;
+ _pcmio->output_device_list(devices);
+
+ _output_audio_device_status.push_back (DeviceStatus (get_standard_device_name(DeviceNone), true));
+ for (std::map<size_t, std::string>::const_iterator i = devices.begin (); i != devices.end(); ++i) {
+ if (_output_audio_device == "") _output_audio_device = i->second;
+ _output_audio_device_status.push_back (DeviceStatus (i->second, true));
+ }
+ return _output_audio_device_status;
}
std::vector<float>
-CoreAudioBackend::available_sample_rates (const std::string&) const
+CoreAudioBackend::available_sample_rates (const std::string& device) const
{
- // TODO ask _pcmio for available rates
std::vector<float> sr;
- sr.push_back (44100.0);
- sr.push_back (48000.0);
+ _pcmio->available_sample_rates (name_to_id (device), sr);
return sr;
}
+std::vector<float>
+CoreAudioBackend::available_sample_rates2 (const std::string& input_device, const std::string& output_device) const
+{
+ std::vector<float> sr;
+ std::vector<float> sr_in;
+ std::vector<float> sr_out;
+
+ const uint32_t inp = name_to_id (input_device);
+ const uint32_t out = name_to_id (output_device);
+
+ if (inp == UINT32_MAX && out == UINT32_MAX) {
+ return sr;
+ } else if (inp == UINT32_MAX) {
+ _pcmio->available_sample_rates (out, sr_out);
+ return sr_out;
+ } else if (out == UINT32_MAX) {
+ _pcmio->available_sample_rates (inp, sr_in);
+ return sr_in;
+ } else {
+ _pcmio->available_sample_rates (inp, sr_in);
+ _pcmio->available_sample_rates (out, sr_out);
+ // TODO allow to use different SR per device, tweak aggregate
+ std::set_intersection (sr_in.begin(), sr_in.end(), sr_out.begin(), sr_out.end(), std::back_inserter(sr));
+ return sr;
+ }
+}
+
std::vector<uint32_t>
-CoreAudioBackend::available_buffer_sizes (const std::string&) const
+CoreAudioBackend::available_buffer_sizes (const std::string& device) const
{
- // TODO ask _pcmio for available rates
std::vector<uint32_t> bs;
- bs.push_back (64);
- bs.push_back (128);
- bs.push_back (256);
- bs.push_back (512);
- bs.push_back (1024);
- bs.push_back (2048);
- bs.push_back (4096);
+ _pcmio->available_buffer_sizes (name_to_id (device), bs);
return bs;
}
+std::vector<uint32_t>
+CoreAudioBackend::available_buffer_sizes2 (const std::string& input_device, const std::string& output_device) const
+{
+ std::vector<uint32_t> bs;
+ std::vector<uint32_t> bs_in;
+ std::vector<uint32_t> bs_out;
+ const uint32_t inp = name_to_id (input_device);
+ const uint32_t out = name_to_id (output_device);
+ if (inp == UINT32_MAX && out == UINT32_MAX) {
+ return bs;
+ } else if (inp == UINT32_MAX) {
+ _pcmio->available_buffer_sizes (out, bs_out);
+ return bs_out;
+ } else if (out == UINT32_MAX) {
+ _pcmio->available_buffer_sizes (inp, bs_in);
+ return bs_in;
+ } else {
+ _pcmio->available_buffer_sizes (inp, bs_in);
+ _pcmio->available_buffer_sizes (out, bs_out);
+ std::set_intersection (bs_in.begin(), bs_in.end(), bs_out.begin(), bs_out.end(), std::back_inserter(bs));
+ return bs;
+ }
+}
+
uint32_t
CoreAudioBackend::available_input_channel_count (const std::string&) const
{
bool
CoreAudioBackend::can_change_buffer_size_when_running () const
{
- return false;
+ return true;
}
int
CoreAudioBackend::set_device_name (const std::string& d)
{
- _audio_device = d;
+ int rv = 0;
+ rv |= set_input_device_name (d);
+ rv |= set_output_device_name (d);
+ return rv;
+}
+
+int
+CoreAudioBackend::set_input_device_name (const std::string& d)
+{
+ _input_audio_device = d;
+ const float sr = _pcmio->current_sample_rate(name_to_id(_input_audio_device));
+ if (sr > 0) { set_sample_rate(sr); }
+ return 0;
+}
+
+int
+CoreAudioBackend::set_output_device_name (const std::string& d)
+{
+ _output_audio_device = d;
+ // TODO check SR.
+ const float sr = _pcmio->current_sample_rate(name_to_id(_output_audio_device));
+ if (sr > 0) { set_sample_rate(sr); }
return 0;
}
int
CoreAudioBackend::set_sample_rate (float sr)
{
- if (sr <= 0) { return -1; }
+ std::vector<float> srs = available_sample_rates2 (_input_audio_device, _output_audio_device);
+ if (std::find(srs.begin(), srs.end(), sr) == srs.end()) {
+ return -1;
+ }
_samplerate = sr;
engine.sample_rate_change (sr);
return 0;
return -1;
}
_samples_per_period = bs;
+ _pcmio->set_samples_per_period(bs);
engine.buffer_size_change (bs);
return 0;
}
return 0;
}
-int
-CoreAudioBackend::set_systemic_midi_input_latency (std::string const device, uint32_t sl)
+/* Retrieving parameters */
+std::string
+CoreAudioBackend::device_name () const
{
- struct CoreMidiDeviceInfo * nfo = midi_device_info(device);
- if (!nfo) return -1;
- nfo->systemic_input_latency = sl;
- return 0;
+ return "";
}
-int
-CoreAudioBackend::set_systemic_midi_output_latency (std::string const device, uint32_t sl)
+std::string
+CoreAudioBackend::input_device_name () const
{
- struct CoreMidiDeviceInfo * nfo = midi_device_info(device);
- if (!nfo) return -1;
- nfo->systemic_output_latency = sl;
- return 0;
+ return _input_audio_device;
}
-/* Retrieving parameters */
std::string
-CoreAudioBackend::device_name () const
+CoreAudioBackend::output_device_name () const
{
- return _audio_device;
+ return _output_audio_device;
}
float
return _systemic_audio_output_latency;
}
-uint32_t
-CoreAudioBackend::systemic_midi_input_latency (std::string const device) const
-{
- struct CoreMidiDeviceInfo * nfo = midi_device_info(device);
- if (!nfo) return 0;
- return nfo->systemic_input_latency;
-}
-
-uint32_t
-CoreAudioBackend::systemic_midi_output_latency (std::string const device) const
-{
- struct CoreMidiDeviceInfo * nfo = midi_device_info(device);
- if (!nfo) return 0;
- return nfo->systemic_output_latency;
-}
-
/* MIDI */
-struct CoreAudioBackend::CoreMidiDeviceInfo *
-CoreAudioBackend::midi_device_info(std::string const name) const {
- return 0;
-}
std::vector<std::string>
CoreAudioBackend::enumerate_midi_options () const
{
if (_midi_options.empty()) {
_midi_options.push_back (_("CoreMidi"));
- _midi_options.push_back (_("None"));
+ _midi_options.push_back (get_standard_device_name(DeviceNone));
}
return _midi_options;
}
-std::vector<AudioBackend::DeviceStatus>
-CoreAudioBackend::enumerate_midi_devices () const
-{
- _midi_device_status.clear();
- std::map<std::string, std::string> devices;
- //_midi_device_status.push_back (DeviceStatus (_("CoreMidi"), true));
- return _midi_device_status;
-}
-
int
CoreAudioBackend::set_midi_option (const std::string& opt)
{
- if (opt != _("None") && opt != _("CoreMidi")) {
+ if (opt != get_standard_device_name(DeviceNone) && opt != _("CoreMidi")) {
return -1;
}
_midi_driver_option = opt;
return _midi_driver_option;
}
-int
-CoreAudioBackend::set_midi_device_enabled (std::string const device, bool enable)
-{
- struct CoreMidiDeviceInfo * nfo = midi_device_info(device);
- if (!nfo) return -1;
- nfo->enabled = enable;
- return 0;
-}
-
-bool
-CoreAudioBackend::midi_device_enabled (std::string const device) const
+void
+CoreAudioBackend::launch_control_app ()
{
- struct CoreMidiDeviceInfo * nfo = midi_device_info(device);
- if (!nfo) return false;
- return nfo->enabled;
+ if (name_to_id (_input_audio_device) != UINT32_MAX) {
+ _pcmio->launch_control_app(name_to_id(_input_audio_device));
+ }
+ if (name_to_id (_output_audio_device) != UINT32_MAX) {
+ _pcmio->launch_control_app(name_to_id(_output_audio_device));
+ }
}
/* State Control */
return 0;
}
-static int process_callback_ptr (void *arg)
-{
- CoreAudioBackend *d = static_cast<CoreAudioBackend*> (arg);
- return d->process_callback();
-}
-
-static void error_callback_ptr (void *arg)
+static int process_callback_ptr (void *arg, const uint32_t n_samples, const uint64_t host_time)
{
CoreAudioBackend *d = static_cast<CoreAudioBackend*> (arg);
- d->error_callback();
-}
-
-static void midi_port_change (void *arg)
-{
- CoreAudioBackend *d = static_cast<CoreAudioBackend *>(arg);
- d->coremidi_rediscover ();
+ return d->process_callback(n_samples, host_time);
}
-
int
CoreAudioBackend::_start (bool for_latency_measurement)
{
+ AudioBackend::ErrorCode error_code = NoError;
+
if ((!_active_ca || !_active_fw) && _run) {
// recover from 'halted', reap threads
stop();
if (_active_ca || _active_fw || _run) {
PBD::error << _("CoreAudioBackend: already active.") << endmsg;
- return -1;
+ return BackendReinitializationError;
}
if (_ports.size()) {
_ports.clear();
}
-#if 0
- assert(_rmidi_in.size() == 0);
- assert(_rmidi_out.size() == 0);
-#endif
-
- uint32_t device_id = UINT32_MAX;
- std::map<size_t, std::string> devices;
- _pcmio->device_list(devices);
-
- for (std::map<size_t, std::string>::const_iterator i = devices.begin (); i != devices.end(); ++i) {
- if (i->second == _audio_device) {
- device_id = i->first;
- break;
- }
- }
+ uint32_t device1 = name_to_id(_input_audio_device);
+ uint32_t device2 = name_to_id(_output_audio_device);
assert(_active_ca == false);
assert(_active_fw == false);
_freewheel_ack = false;
_reinit_thread_callback = true;
+ _last_process_start = 0;
_pcmio->set_error_callback (error_callback_ptr, this);
- _pcmio->pcm_start (device_id, device_id, _samplerate, _samples_per_period, process_callback_ptr, this);
+ _pcmio->set_buffer_size_callback (buffer_size_callback_ptr, this);
+ _pcmio->set_sample_rate_callback (sample_rate_callback_ptr, this);
+ _pcmio->pcm_start (device1, device2, _samplerate, _samples_per_period, process_callback_ptr, this);
+#ifndef NDEBUG
+ printf("STATE: %d\n", _pcmio->state ());
+#endif
switch (_pcmio->state ()) {
- case 0: /* OK */ break;
- case -1: PBD::error << _("CoreAudioBackend: failed to open device.") << endmsg; break;
- default: PBD::error << _("CoreAudioBackend: initialization failed.") << endmsg; break;
+ case 0: /* OK */
+ break;
+ case -1:
+ PBD::error << _("CoreAudioBackend: Invalid Device ID.") << endmsg;
+ error_code = AudioDeviceInvalidError;
+ break;
+ case -2:
+ PBD::error << _("CoreAudioBackend: Failed to resolve Device-Component by ID.") << endmsg;
+ error_code = AudioDeviceNotAvailableError;
+ break;
+ case -3:
+ PBD::error << _("CoreAudioBackend: failed to open device.") << endmsg;
+ error_code = AudioDeviceOpenError;
+ break;
+ case -4:
+ PBD::error << _("CoreAudioBackend: cannot set requested sample rate.") << endmsg;
+ error_code = SampleRateNotSupportedError;
+ break;
+ case -5:
+ PBD::error << _("CoreAudioBackend: cannot configure requested buffer size.") << endmsg;
+ error_code = PeriodSizeNotSupportedError;
+ break;
+ case -6:
+ PBD::error << _("CoreAudioBackend: unsupported sample format.") << endmsg;
+ error_code = SampleFormatNotSupportedError;
+ break;
+ case -7:
+ PBD::error << _("CoreAudioBackend: Failed to enable Device.") << endmsg;
+ error_code = BackendInitializationError; // XXX
+ break;
+ case -8:
+ PBD::error << _("CoreAudioBackend: Cannot allocate buffers, out-of-memory.") << endmsg;
+ error_code = OutOfMemoryError;
+ break;
+ case -9:
+ PBD::error << _("CoreAudioBackend: Failed to set device-property listeners.") << endmsg;
+ error_code = BackendInitializationError; // XXX
+ break;
+ case -10:
+ PBD::error << _("CoreAudioBackend: Setting Process Callback failed.") << endmsg;
+ error_code = AudioDeviceIOError;
+ break;
+ case -11:
+ PBD::error << _("CoreAudioBackend: cannot use requested period size.") << endmsg;
+ error_code = PeriodSizeNotSupportedError;
+ break;
+ case -12:
+ PBD::error << _("CoreAudioBackend: cannot create aggregate device.") << endmsg;
+ error_code = DeviceConfigurationNotSupportedError;
+ break;
+ default:
+ PBD::error << _("CoreAudioBackend: initialization failure.") << endmsg;
+ error_code = BackendInitializationError;
+ break;
}
if (_pcmio->state ()) {
- return -1;
+ return error_code;
}
if (_n_outputs != _pcmio->n_playback_channels ()) {
} else {
_n_outputs = std::min (_n_outputs, _pcmio->n_playback_channels ());
}
- PBD::warning << _("CoreAudioBackend: adjusted output channel count to match device.") << endmsg;
+ PBD::info << _("CoreAudioBackend: adjusted output channel count to match device.") << endmsg;
}
if (_n_inputs != _pcmio->n_capture_channels ()) {
} else {
_n_inputs = std::min (_n_inputs, _pcmio->n_capture_channels ());
}
- PBD::warning << _("CoreAudioBackend: adjusted input channel count to match device.") << endmsg;
+ PBD::info << _("CoreAudioBackend: adjusted input channel count to match device.") << endmsg;
}
-#if 0 // TODO
- if (_pcmio->sample_per_period() != _samples_per_period) {
- _samples_per_period = _pcmio->sample_per_period();
+ if (_pcmio->samples_per_period() != _samples_per_period) {
+ _samples_per_period = _pcmio->samples_per_period();
PBD::warning << _("CoreAudioBackend: samples per period does not match.") << endmsg;
}
- if (_pcmio->samplerate() != _samplerate) {
- _samplerate = _pcmio->samplerate();
+ if (_pcmio->sample_rate() != _samplerate) {
+ _samplerate = _pcmio->sample_rate();
engine.sample_rate_change (_samplerate);
PBD::warning << _("CoreAudioBackend: sample rate does not match.") << endmsg;
}
-#endif
_measure_latency = for_latency_measurement;
_run = true;
_port_change_flag = false;
- printf("MIDI: %s\n", _midi_driver_option.c_str());
-
if (_midi_driver_option == _("CoreMidi")) {
- //register_system_midi_ports();
- _midiio->setPortChangedCallback(midi_port_change, this);
- _midiio->discover();
+ _midiio->set_enabled(true);
+ _midiio->set_port_changed_callback(midi_port_change, this);
+ _midiio->start(); // triggers port discovery, callback coremidi_rediscover()
}
if (register_system_audio_ports()) {
PBD::error << _("CoreAudioBackend: failed to register system ports.") << endmsg;
_run = false;
- return -1;
+ return PortRegistrationError;
}
engine.sample_rate_change (_samplerate);
if (engine.reestablish_ports ()) {
PBD::error << _("CoreAudioBackend: Could not re-establish ports.") << endmsg;
_run = false;
- return -1;
+ return PortReconnectError;
}
- engine.reconnect_ports ();
-
-
if (pthread_create (&_freeewheel_thread, NULL, pthread_freewheel, this))
{
PBD::error << _("CoreAudioBackend: failed to create process thread.") << endmsg;
delete _pcmio; _pcmio = 0;
_run = false;
- return -1;
+ return ProcessThreadStartError;
}
int timeout = 5000;
while ((!_active_ca || !_active_fw) && --timeout > 0) { Glib::usleep (1000); }
if (timeout == 0) {
- printf("CoreAudioBackend: failed to start.");
PBD::error << _("CoreAudioBackend: failed to start.") << endmsg;
}
if (!_active_fw) {
PBD::error << _("CoreAudioBackend: failed to start freewheeling thread.") << endmsg;
- printf("CoreAudioBackend: fw .\n");
_run = false;
_pcmio->pcm_stop();
unregister_ports();
_active_ca = false;
_active_fw = false;
- return -1;
+ return FreewheelThreadStartError;
}
if (!_active_ca) {
- printf("CoreAudioBackend: ca .\n");
PBD::error << _("CoreAudioBackend: failed to start coreaudio.") << endmsg;
stop();
_run = false;
- return -1;
+ return ProcessThreadStartError;
}
+
+ engine.reconnect_ports ();
+
+ // force an initial registration_callback() & latency re-compute
+ _port_change_flag = true;
+ pre_process ();
+
+ // all systems go.
+ _pcmio->set_xrun_callback (xrun_callback_ptr, this);
_preinit = false;
- return 0;
+ return NoError;
}
int
_run = false;
_pcmio->pcm_stop();
- _midiio->setPortChangedCallback(NULL, NULL);
+ _midiio->set_port_changed_callback(NULL, NULL);
+ _midiio->stop();
+
+ pthread_mutex_lock (&_freewheel_mutex);
+ pthread_cond_signal (&_freewheel_signal);
+ pthread_mutex_unlock (&_freewheel_mutex);
if (pthread_join (_freeewheel_thread, &status)) {
PBD::error << _("CoreAudioBackend: failed to terminate.") << endmsg;
return -1;
}
-#if 0
- while (!_rmidi_out.empty ()) {
- CoreMidiIO *m = _rmidi_out.back ();
- m->stop();
- _rmidi_out.pop_back ();
- delete m;
- }
- while (!_rmidi_in.empty ()) {
- CoreMidiIO *m = _rmidi_in.back ();
- m->stop();
- _rmidi_in.pop_back ();
- delete m;
- }
-#endif
-
unregister_ports();
_active_ca = false;
return 0;
}
_freewheeling = onoff;
+ // wake up freewheeling thread
+ if (0 == pthread_mutex_trylock (&_freewheel_mutex)) {
+ pthread_cond_signal (&_freewheel_signal);
+ pthread_mutex_unlock (&_freewheel_mutex);
+ }
return 0;
}
pframes_t
CoreAudioBackend::samples_since_cycle_start ()
{
- return 0;
+ if (!_active_ca || !_run || _freewheeling || _freewheel) {
+ return 0;
+ }
+ if (_last_process_start == 0) {
+ return 0;
+ }
+
+ const uint64_t now = AudioGetCurrentHostTime ();
+ const int64_t elapsed_time_ns = AudioConvertHostTimeToNanos(now - _last_process_start);
+ return std::max((pframes_t)0, (pframes_t)rint(1e-9 * elapsed_time_ns * _samplerate));
}
+uint32_t
+CoreAudioBackend::name_to_id(std::string device_name) const {
+ uint32_t device_id = UINT32_MAX;
+ std::map<size_t, std::string> devices;
+ _pcmio->device_list(devices);
+
+ for (std::map<size_t, std::string>::const_iterator i = devices.begin (); i != devices.end(); ++i) {
+ if (i->second == device_name) {
+ device_id = i->first;
+ break;
+ }
+ }
+ return device_id;
+}
void *
CoreAudioBackend::coreaudio_process_thread (void *arg)
CoreAudioBackend::set_port_name (PortEngine::PortHandle port, const std::string& name)
{
if (!valid_port (port)) {
- PBD::error << _("CoreAudioBackend::set_port_name: Invalid Port(s)") << endmsg;
+ PBD::warning << _("CoreAudioBackend::set_port_name: Invalid Port(s)") << endmsg;
return -1;
}
return static_cast<CoreBackendPort*>(port)->set_name (_instance_name + ":" + name);
CoreAudioBackend::get_port_name (PortEngine::PortHandle port) const
{
if (!valid_port (port)) {
- PBD::error << _("CoreAudioBackend::get_port_name: Invalid Port(s)") << endmsg;
+ PBD::warning << _("CoreAudioBackend::get_port_name: Invalid Port(s)") << endmsg;
return std::string ();
}
return static_cast<CoreBackendPort*>(port)->name ();
}
+int
+CoreAudioBackend::get_port_property (PortHandle port, const std::string& key, std::string& value, std::string& type) const
+{
+ if (!valid_port (port)) {
+ PBD::warning << _("CoreAudioBackend::get_port_name: Invalid Port(s)") << endmsg;
+ return -1;
+ }
+ if (key == "http://jackaudio.org/metadata/pretty-name") {
+ type = "";
+ value = static_cast<CoreBackendPort*>(port)->pretty_name ();
+ if (!value.empty()) {
+ return 0;
+ }
+ }
+ return -1;
+}
+
PortEngine::PortHandle
CoreAudioBackend::get_port_by_name (const std::string& name) const
{
}
for (size_t i = 0; i < _ports.size (); ++i) {
CoreBackendPort* port = _ports[i];
- if ((port->type () == type) && (port->flags () & flags)) {
+ if ((port->type () == type) && flags == (port->flags () & flags)) {
if (!use_regexp || !regexec (&port_regex, port->name ().c_str (), 0, NULL, 0)) {
port_names.push_back (port->name ());
++rv;
{
assert(name.size ());
if (find_port (name)) {
- PBD::error << _("CoreAudioBackend::register_port: Port already exists:")
+ PBD::warning << _("CoreAudioBackend::register_port: Port already exists:")
<< " (" << name << ")" << endmsg;
return 0;
}
CoreBackendPort* port = static_cast<CoreBackendPort*>(port_handle);
std::vector<CoreBackendPort*>::iterator i = std::find (_ports.begin (), _ports.end (), static_cast<CoreBackendPort*>(port_handle));
if (i == _ports.end ()) {
- PBD::error << _("CoreAudioBackend::unregister_port: Failed to find port") << endmsg;
+ PBD::warning << _("CoreAudioBackend::unregister_port: Failed to find port") << endmsg;
return;
}
disconnect_all(port_handle);
{
LatencyRange lr;
- // TODO ask _pcmio for port latencies
+ const uint32_t a_ins = _n_inputs;
+ const uint32_t a_out = _n_outputs;
+
+ const uint32_t coreaudio_reported_input_latency = _pcmio->get_latency(name_to_id(_input_audio_device), true);
+ const uint32_t coreaudio_reported_output_latency = _pcmio->get_latency(name_to_id(_output_audio_device), false);
- const int a_ins = _n_inputs > 0 ? _n_inputs : 2;
- const int a_out = _n_outputs > 0 ? _n_outputs : 2;
+#ifndef NDEBUG
+ printf("COREAUDIO LATENCY: i:%d, o:%d\n",
+ coreaudio_reported_input_latency,
+ coreaudio_reported_output_latency);
+#endif
/* audio ports */
- lr.min = lr.max = _samples_per_period + (_measure_latency ? 0 : _systemic_audio_input_latency);
- for (int i = 1; i <= a_ins; ++i) {
+ lr.min = lr.max = coreaudio_reported_input_latency + (_measure_latency ? 0 : _systemic_audio_input_latency);
+ for (uint32_t i = 0; i < a_ins; ++i) {
char tmp[64];
- snprintf(tmp, sizeof(tmp), "system:capture_%d", i);
+ snprintf(tmp, sizeof(tmp), "system:capture_%d", i+1);
PortHandle p = add_port(std::string(tmp), DataType::AUDIO, static_cast<PortFlags>(IsOutput | IsPhysical | IsTerminal));
if (!p) return -1;
set_latency_range (p, false, lr);
- _system_inputs.push_back(static_cast<CoreBackendPort*>(p));
+ CoreBackendPort *cp = static_cast<CoreBackendPort*>(p);
+ cp->set_pretty_name (_pcmio->cached_port_name(i, true));
+ _system_inputs.push_back(cp);
}
- lr.min = lr.max = _samples_per_period + (_measure_latency ? 0 : _systemic_audio_output_latency);
- for (int i = 1; i <= a_out; ++i) {
+ lr.min = lr.max = coreaudio_reported_output_latency + (_measure_latency ? 0 : _systemic_audio_output_latency);
+ for (uint32_t i = 0; i < a_out; ++i) {
char tmp[64];
- snprintf(tmp, sizeof(tmp), "system:playback_%d", i);
+ snprintf(tmp, sizeof(tmp), "system:playback_%d", i+1);
PortHandle p = add_port(std::string(tmp), DataType::AUDIO, static_cast<PortFlags>(IsInput | IsPhysical | IsTerminal));
if (!p) return -1;
set_latency_range (p, true, lr);
- _system_outputs.push_back(static_cast<CoreBackendPort*>(p));
+ CoreBackendPort *cp = static_cast<CoreBackendPort*>(p);
+ cp->set_pretty_name (_pcmio->cached_port_name(i, false));
+ _system_outputs.push_back(cp);
}
return 0;
}
-int
-CoreAudioBackend::register_system_midi_ports()
+void
+CoreAudioBackend::coremidi_rediscover()
{
- int midi_ins = _system_midi_out.size();
- int midi_outs = _system_midi_in.size();
+ if (!_run) { return; }
+ assert(_midi_driver_option == _("CoreMidi"));
- for (uint32_t i = midi_ins; i < _midiio->n_midi_outputs(); ++i) {
- char tmp[64];
- snprintf(tmp, sizeof(tmp), "system:midi_playback_%d", ++midi_ins);
- PortHandle p = add_port(std::string(tmp), DataType::MIDI, static_cast<PortFlags>(IsInput | IsPhysical | IsTerminal));
+ pthread_mutex_lock (&_process_callback_mutex);
+
+ for (std::vector<CoreBackendPort*>::iterator it = _system_midi_out.begin (); it != _system_midi_out.end ();) {
+ bool found = false;
+ for (size_t i = 0; i < _midiio->n_midi_outputs(); ++i) {
+ if ((*it)->name() == _midiio->port_id(i, false)) {
+ found = true;
+ break;
+ }
+ }
+ if (found) {
+ ++it;
+ } else {
+#ifndef NDEBUG
+ printf("unregister MIDI Output: %s\n", (*it)->name().c_str());
+#endif
+ _port_change_flag = true;
+ unregister_port((*it));
+ it = _system_midi_out.erase(it);
+ }
+ }
+
+ for (std::vector<CoreBackendPort*>::iterator it = _system_midi_in.begin (); it != _system_midi_in.end ();) {
+ bool found = false;
+ for (size_t i = 0; i < _midiio->n_midi_inputs(); ++i) {
+ if ((*it)->name() == _midiio->port_id(i, true)) {
+ found = true;
+ break;
+ }
+ }
+ if (found) {
+ ++it;
+ } else {
+#ifndef NDEBUG
+ printf("unregister MIDI Input: %s\n", (*it)->name().c_str());
+#endif
+ _port_change_flag = true;
+ unregister_port((*it));
+ it = _system_midi_in.erase(it);
+ }
+ }
+
+ for (size_t i = 0; i < _midiio->n_midi_inputs(); ++i) {
+ std::string name = _midiio->port_id(i, true);
+ if (find_port_in(_system_midi_in, name)) {
+ continue;
+ }
+
+#ifndef NDEBUG
+ printf("register MIDI Input: %s\n", name.c_str());
+#endif
+ PortHandle p = add_port(name, DataType::MIDI, static_cast<PortFlags>(IsOutput | IsPhysical | IsTerminal));
if (!p) {
+ fprintf(stderr, "failed to register MIDI IN: %s\n", name.c_str());
continue;
}
LatencyRange lr;
lr.min = lr.max = _samples_per_period; // TODO add per-port midi-systemic latency
set_latency_range (p, false, lr);
- //static_cast<CoreMidiPort*>(p)->set_n_periods(2);
- _system_midi_out.push_back(static_cast<CoreBackendPort*>(p));
+ CoreBackendPort *pp = static_cast<CoreBackendPort*>(p);
+ pp->set_pretty_name(_midiio->port_name(i, true));
+ _system_midi_in.push_back(pp);
+ _port_change_flag = true;
}
- for (uint32_t i = midi_outs; i < _midiio->n_midi_inputs(); ++i) {
- char tmp[64];
- snprintf(tmp, sizeof(tmp), "system:midi_capture_%d", ++midi_outs);
- PortHandle p = add_port(std::string(tmp), DataType::MIDI, static_cast<PortFlags>(IsOutput | IsPhysical | IsTerminal));
+ for (size_t i = 0; i < _midiio->n_midi_outputs(); ++i) {
+ std::string name = _midiio->port_id(i, false);
+ if (find_port_in(_system_midi_out, name)) {
+ continue;
+ }
+
+#ifndef NDEBUG
+ printf("register MIDI OUT: %s\n", name.c_str());
+#endif
+ PortHandle p = add_port(name, DataType::MIDI, static_cast<PortFlags>(IsInput | IsPhysical | IsTerminal));
if (!p) {
+ fprintf(stderr, "failed to register MIDI OUT: %s\n", name.c_str());
continue;
}
LatencyRange lr;
lr.min = lr.max = _samples_per_period; // TODO add per-port midi-systemic latency
set_latency_range (p, false, lr);
- //static_cast<CoreMidiPort*>(p)->set_n_periods(2);
- _system_midi_in.push_back(static_cast<CoreBackendPort*>(p));
+ CoreBackendPort *pp = static_cast<CoreBackendPort*>(p);
+ pp->set_pretty_name(_midiio->port_name(i, false));
+ _system_midi_out.push_back(pp);
+ _port_change_flag = true;
}
- return 0;
-}
-
-void
-CoreAudioBackend::coremidi_rediscover()
-{
- if (!_run) { return; }
- assert(_midi_driver_option == _("CoreMidi"));
-
- pthread_mutex_lock (&_process_callback_mutex);
-
- while (_system_midi_out.size() > _midiio->n_midi_outputs()) {
- CoreBackendPort* p = _system_midi_out.back();
- _system_midi_out.pop_back();
- unregister_port(p);
- }
-
- while (_system_midi_in.size() > _midiio->n_midi_inputs()) {
- CoreBackendPort* p = _system_midi_in.back();
- _system_midi_in.pop_back();
- unregister_port(p);
- }
- register_system_midi_ports();
+ assert(_system_midi_out.size() == _midiio->n_midi_outputs());
+ assert(_system_midi_in.size() == _midiio->n_midi_inputs());
- _port_change_flag = true;
- _reinit_thread_callback = true; // XXX, rather hook into _pcmio's hardwarePropertyChangeCallback
pthread_mutex_unlock (&_process_callback_mutex);
}
CoreBackendPort* dst_port = find_port (dst);
if (!src_port) {
- PBD::error << _("CoreAudioBackend::connect: Invalid Source port:")
+ PBD::warning << _("CoreAudioBackend::connect: Invalid Source port:")
<< " (" << src <<")" << endmsg;
return -1;
}
if (!dst_port) {
- PBD::error << _("CoreAudioBackend::connect: Invalid Destination port:")
+ PBD::warning << _("CoreAudioBackend::connect: Invalid Destination port:")
<< " (" << dst <<")" << endmsg;
return -1;
}
CoreBackendPort* dst_port = find_port (dst);
if (!src_port || !dst_port) {
- PBD::error << _("CoreAudioBackend::disconnect: Invalid Port(s)") << endmsg;
+ PBD::warning << _("CoreAudioBackend::disconnect: Invalid Port(s)") << endmsg;
return -1;
}
return src_port->disconnect (dst_port);
{
CoreBackendPort* dst_port = find_port (dst);
if (!valid_port (src)) {
- PBD::error << _("CoreAudioBackend::connect: Invalid Source Port Handle") << endmsg;
+ PBD::warning << _("CoreAudioBackend::connect: Invalid Source Port Handle") << endmsg;
return -1;
}
if (!dst_port) {
- PBD::error << _("CoreAudioBackend::connect: Invalid Destination Port")
+ PBD::warning << _("CoreAudioBackend::connect: Invalid Destination Port")
<< " (" << dst << ")" << endmsg;
return -1;
}
{
CoreBackendPort* dst_port = find_port (dst);
if (!valid_port (src) || !dst_port) {
- PBD::error << _("CoreAudioBackend::disconnect: Invalid Port(s)") << endmsg;
+ PBD::warning << _("CoreAudioBackend::disconnect: Invalid Port(s)") << endmsg;
return -1;
}
return static_cast<CoreBackendPort*>(src)->disconnect (dst_port);
CoreAudioBackend::disconnect_all (PortEngine::PortHandle port)
{
if (!valid_port (port)) {
- PBD::error << _("CoreAudioBackend::disconnect_all: Invalid Port") << endmsg;
+ PBD::warning << _("CoreAudioBackend::disconnect_all: Invalid Port") << endmsg;
return -1;
}
static_cast<CoreBackendPort*>(port)->disconnect_all ();
CoreAudioBackend::connected (PortEngine::PortHandle port, bool /* process_callback_safe*/)
{
if (!valid_port (port)) {
- PBD::error << _("CoreAudioBackend::disconnect_all: Invalid Port") << endmsg;
+ PBD::warning << _("CoreAudioBackend::disconnect_all: Invalid Port") << endmsg;
return false;
}
return static_cast<CoreBackendPort*>(port)->is_connected ();
{
CoreBackendPort* dst_port = find_port (dst);
if (!valid_port (src) || !dst_port) {
- PBD::error << _("CoreAudioBackend::connected_to: Invalid Port") << endmsg;
+ PBD::warning << _("CoreAudioBackend::connected_to: Invalid Port") << endmsg;
return false;
}
return static_cast<CoreBackendPort*>(src)->is_connected (dst_port);
CoreAudioBackend::physically_connected (PortEngine::PortHandle port, bool /*process_callback_safe*/)
{
if (!valid_port (port)) {
- PBD::error << _("CoreAudioBackend::physically_connected: Invalid Port") << endmsg;
+ PBD::warning << _("CoreAudioBackend::physically_connected: Invalid Port") << endmsg;
return false;
}
return static_cast<CoreBackendPort*>(port)->is_physically_connected ();
CoreAudioBackend::get_connections (PortEngine::PortHandle port, std::vector<std::string>& names, bool /*process_callback_safe*/)
{
if (!valid_port (port)) {
- PBD::error << _("CoreAudioBackend::get_connections: Invalid Port") << endmsg;
+ PBD::warning << _("CoreAudioBackend::get_connections: Invalid Port") << endmsg;
return -1;
}
size_t& size, uint8_t** buf, void* port_buffer,
uint32_t event_index)
{
- assert (buf && port_buffer);
+ if (!buf || !port_buffer) return -1;
CoreMidiBuffer& source = * static_cast<CoreMidiBuffer*>(port_buffer);
if (event_index >= source.size ()) {
return -1;
return 0;
}
+
int
CoreAudioBackend::midi_event_put (
void* port_buffer,
pframes_t timestamp,
const uint8_t* buffer, size_t size)
{
- assert (buffer && port_buffer);
+ if (!buffer || !port_buffer) return -1;
CoreMidiBuffer& dst = * static_cast<CoreMidiBuffer*>(port_buffer);
if (dst.size () && (pframes_t)dst.back ()->timestamp () > timestamp) {
- fprintf (stderr, "CoreMidiBuffer: it's too late for this event. %d > %d\n",
+#ifndef NDEBUG
+ // nevermind, ::get_buffer() sorts events
+ fprintf (stderr, "CoreMidiBuffer: unordered event: %d > %d\n",
(pframes_t)dst.back ()->timestamp (), timestamp);
- return -1;
+#endif
}
dst.push_back (boost::shared_ptr<CoreMidiEvent>(new CoreMidiEvent (timestamp, buffer, size)));
return 0;
}
+
uint32_t
CoreAudioBackend::get_midi_event_count (void* port_buffer)
{
- assert (port_buffer);
+ if (!port_buffer) return 0;
return static_cast<CoreMidiBuffer*>(port_buffer)->size ();
}
void
CoreAudioBackend::midi_clear (void* port_buffer)
{
- assert (port_buffer);
+ if (!port_buffer) return;
CoreMidiBuffer * buf = static_cast<CoreMidiBuffer*>(port_buffer);
assert (buf);
buf->clear ();
CoreAudioBackend::set_latency_range (PortEngine::PortHandle port, bool for_playback, LatencyRange latency_range)
{
if (!valid_port (port)) {
- PBD::error << _("CoreBackendPort::set_latency_range (): invalid port.") << endmsg;
+ PBD::warning << _("CoreBackendPort::set_latency_range (): invalid port.") << endmsg;
+ return;
}
static_cast<CoreBackendPort*>(port)->set_latency_range (latency_range, for_playback);
}
LatencyRange
CoreAudioBackend::get_latency_range (PortEngine::PortHandle port, bool for_playback)
{
+ LatencyRange r;
if (!valid_port (port)) {
- PBD::error << _("CoreBackendPort::get_latency_range (): invalid port.") << endmsg;
- LatencyRange r;
+ PBD::warning << _("CoreBackendPort::get_latency_range (): invalid port.") << endmsg;
r.min = 0;
r.max = 0;
return r;
}
- return static_cast<CoreBackendPort*>(port)->latency_range (for_playback);
+ CoreBackendPort* p = static_cast<CoreBackendPort*>(port);
+ assert(p);
+
+ r = p->latency_range (for_playback);
+ if (p->is_physical() && p->is_terminal() && p->type() == DataType::AUDIO) {
+ if (p->is_input() && for_playback) {
+ r.min += _samples_per_period;
+ r.max += _samples_per_period;
+ }
+ if (p->is_output() && !for_playback) {
+ r.min += _samples_per_period;
+ r.max += _samples_per_period;
+ }
+ }
+ return r;
}
/* Discovering physical ports */
CoreAudioBackend::port_is_physical (PortEngine::PortHandle port) const
{
if (!valid_port (port)) {
- PBD::error << _("CoreBackendPort::port_is_physical (): invalid port.") << endmsg;
+ PBD::warning << _("CoreBackendPort::port_is_physical (): invalid port.") << endmsg;
return false;
}
return static_cast<CoreBackendPort*>(port)->is_physical ();
void*
CoreAudioBackend::get_buffer (PortEngine::PortHandle port, pframes_t nframes)
{
- assert (port);
- assert (valid_port (port));
+ if (!port || !valid_port (port)) return NULL;
return static_cast<CoreBackendPort*>(port)->get_buffer (nframes);
}
void
-CoreAudioBackend::post_process ()
+CoreAudioBackend::pre_process ()
{
bool connections_changed = false;
bool ports_changed = false;
{
_active_fw = true;
bool first_run = false;
+ /* Freewheeling - use for export. The first call to
+ * engine.process_callback() after engine.freewheel_callback will
+ * if the first export cycle.
+ * For reliable precise export timing, the calls need to be in sync.
+ *
+ * Furthermore we need to make sure the registered process thread
+ * is correct.
+ *
+ * _freewheeling = GUI thread state as set by ::freewheel()
+ * _freewheel = in sync here (export thread)
+ */
+ pthread_mutex_lock (&_freewheel_mutex);
while (_run) {
// check if we should run,
if (_freewheeling != _freewheel) {
if (!_freewheeling) {
- // handshake w/ coreaudio
- _reinit_thread_callback = true;
- _freewheel_ack = false;
+ // prepare leaving freewheeling mode
+ _freewheel = false; // first mark as disabled
+ _reinit_thread_callback = true; // hand over _main_thread
+ _freewheel_ack = false; // prepare next handshake
+ _midiio->set_enabled(true);
+ engine.freewheel_callback (_freewheeling);
+ } else {
+ first_run = true;
+ _freewheel = true;
}
-
- engine.freewheel_callback (_freewheeling);
- first_run = true;
- _freewheel = _freewheeling;
}
if (!_freewheel || !_freewheel_ack) {
- // TODO use a pthread sync/sleep
- Glib::usleep(200000);
+ // wait for a change, we use a timed wait to
+ // terminate early in case some error sets _run = 0
+ struct timeval tv;
+ struct timespec ts;
+ gettimeofday (&tv, NULL);
+ ts.tv_sec = tv.tv_sec + 3;
+ ts.tv_nsec = 0;
+ pthread_cond_timedwait (&_freewheel_signal, &_freewheel_mutex, &ts);
continue;
}
if (first_run) {
+ // tell the engine we're ready to GO.
+ engine.freewheel_callback (_freewheeling);
first_run = false;
_main_thread = pthread_self();
AudioEngine::thread_init_callback (this);
+ _midiio->set_enabled(false);
}
- // Freewheelin'
+ // process port updates first in every cycle.
+ pre_process();
+
+ // prevent coreaudio device changes
+ pthread_mutex_lock (&_process_callback_mutex);
+
+ /* Freewheelin' */
+
+ // clear input buffers
for (std::vector<CoreBackendPort*>::const_iterator it = _system_inputs.begin (); it != _system_inputs.end (); ++it) {
memset ((*it)->get_buffer (_samples_per_period), 0, _samples_per_period * sizeof (Sample));
}
static_cast<CoreMidiBuffer*>((*it)->get_buffer(0))->clear ();
}
+ _last_process_start = 0;
if (engine.process_callback (_samples_per_period)) {
+ pthread_mutex_unlock (&_process_callback_mutex);
break;
}
+
+ pthread_mutex_unlock (&_process_callback_mutex);
_dsp_load = 1.0;
Glib::usleep (100); // don't hog cpu
-
- post_process();
}
+ pthread_mutex_unlock (&_freewheel_mutex);
+
_active_fw = false;
- if (_run && _freewheel) {
+ if (_run) {
+ // engine.process_callback() returner error
engine.halted_callback("CoreAudio Freehweeling aborted.");
}
return 0;
}
-
int
-CoreAudioBackend::process_callback ()
+CoreAudioBackend::process_callback (const uint32_t n_samples, const uint64_t host_time)
{
uint32_t i = 0;
- uint64_t clock1, clock2;
+ uint64_t clock1;
_active_ca = true;
if (_run && _freewheel && !_freewheel_ack) {
- _freewheel_ack = true;
+ // acknowledge freewheeling; hand-over thread ID
+ pthread_mutex_lock (&_freewheel_mutex);
+ if (_freewheel) _freewheel_ack = true;
+ pthread_cond_signal (&_freewheel_signal);
+ pthread_mutex_unlock (&_freewheel_mutex);
}
if (!_run || _freewheel || _preinit) {
- return 1;
- }
-
- if (pthread_mutex_trylock (&_process_callback_mutex)) {
+ // NB if we return 1, the output is
+ // zeroed by the coreaudio callback
return 1;
}
if (_reinit_thread_callback || _main_thread != pthread_self()) {
- printf("REINIT THREAD\n");
_reinit_thread_callback = false;
_main_thread = pthread_self();
AudioEngine::thread_init_callback (this);
-
- manager.registration_callback();
- manager.graph_order_callback();
}
- const uint32_t n_samples = _pcmio->n_samples();
-
-#if 0 // here in RT callback ?? XXX
- if (_samples_per_period != n_samples) {
- _samples_per_period = n_samples;
- engine.buffer_size_change (_samples_per_period);
- // TODO update latencies
- }
+ if (pthread_mutex_trylock (&_process_callback_mutex)) {
+ // block while devices are added/removed
+#ifndef NDEBUG
+ printf("Xrun due to device change\n");
#endif
+ engine.Xrun();
+ return 1;
+ }
+ /* port-connection change */
+ pre_process();
// cycle-length in usec
- const int64_t nominal_time = 1e6 * n_samples / _samplerate;
+ const double nominal_time = 1e6 * n_samples / _samplerate;
clock1 = g_get_monotonic_time();
- // TODO get midi
+ /* get midi */
i=0;
for (std::vector<CoreBackendPort*>::const_iterator it = _system_midi_in.begin (); it != _system_midi_in.end (); ++it, ++i) {
- CoreMidiBuffer* mbuf = static_cast<CoreMidiBuffer*>((*it)->get_buffer(0));
- mbuf->clear();
- uint64_t time_ns;
- uint8_t data[64]; // match MaxAlsaEventSize in alsa_rawmidi.cc
- size_t size = sizeof(data);
- while (_midiio->recv_event (i, nominal_time, time_ns, data, size)) {
- pframes_t time = floor((float) time_ns * _samplerate * 1e-9);
- assert (time < n_samples);
- midi_event_put((void*)mbuf, time, data, size);
- size = sizeof(data);
- }
+ CoreMidiPort* port = dynamic_cast<CoreMidiPort*> (*it);
+ if (!port) {
+ continue;
+ }
+ uint64_t time_ns;
+ uint8_t data[128]; // matches CoreMidi's MIDIPacket
+ size_t size = sizeof(data);
+
+ while (_midiio->recv_event (i, nominal_time, time_ns, data, size)) {
+ pframes_t time = floor((float) time_ns * _samplerate * 1e-9);
+ assert (time < n_samples);
+ port->parse_events (time, data, size);
+ size = sizeof(data); /* prepare for next call to recv_event */
+ }
}
/* get audio */
i = 0;
- for (std::vector<CoreBackendPort*>::const_iterator it = _system_inputs.begin (); it != _system_inputs.end (); ++it) {
+ for (std::vector<CoreBackendPort*>::const_iterator it = _system_inputs.begin (); it != _system_inputs.end (); ++it, ++i) {
_pcmio->get_capture_channel (i, (float*)((*it)->get_buffer(n_samples)), n_samples);
}
}
_midiio->start_cycle();
+ _last_process_start = host_time;
if (engine.process_callback (n_samples)) {
fprintf(stderr, "ENGINE PROCESS ERROR\n");
return -1;
}
- // mixdown midi
+ /* mixdown midi */
for (std::vector<CoreBackendPort*>::const_iterator it = _system_midi_out.begin (); it != _system_midi_out.end (); ++it) {
- //static_cast<CoreMidiPort*>(*it)->next_period();
static_cast<CoreMidiPort*>(*it)->get_buffer(0);
}
- // queue outgoing midi
+
+ /* queue outgoing midi */
i = 0;
for (std::vector<CoreBackendPort*>::const_iterator it = _system_midi_out.begin (); it != _system_midi_out.end (); ++it, ++i) {
+#if 0 // something's still b0rked with CoreMidiIo::send_events()
+ const CoreMidiBuffer *src = static_cast<const CoreMidiPort*>(*it)->const_buffer();
+ _midiio->send_events (i, nominal_time, (void*)src);
+#else // works..
const CoreMidiBuffer *src = static_cast<const CoreMidiPort*>(*it)->const_buffer();
for (CoreMidiBuffer::const_iterator mit = src->begin (); mit != src->end (); ++mit) {
_midiio->send_event (i, (*mit)->timestamp() / nominal_time, (*mit)->data(), (*mit)->size());
}
+#endif
}
/* write back audio */
_processed_samples += n_samples;
- // calc DSP load.
+ /* calc DSP load. */
+ _dsp_load_calc.set_max_time (_samplerate, _samples_per_period);
+ _dsp_load_calc.set_start_timestamp_us (clock1);
+ _dsp_load_calc.set_stop_timestamp_us (g_get_monotonic_time());
+ _dsp_load = _dsp_load_calc.get_dsp_load ();
- clock2 = g_get_monotonic_time();
- const int64_t elapsed_time = clock2 - clock1;
- _dsp_load = elapsed_time / (float) nominal_time;
-
- //engine.Xrun (); // TODO, if any
-
- // port-connection change
- post_process();
pthread_mutex_unlock (&_process_callback_mutex);
return 0;
}
void
CoreAudioBackend::error_callback ()
{
- printf("ERROR CALLBACK\n");
_pcmio->set_error_callback (NULL, NULL);
+ _pcmio->set_sample_rate_callback (NULL, NULL);
+ _pcmio->set_xrun_callback (NULL, NULL);
+ _midiio->set_port_changed_callback(NULL, NULL);
engine.halted_callback("CoreAudio Process aborted.");
+ _active_ca = false;
}
+void
+CoreAudioBackend::xrun_callback ()
+{
+ engine.Xrun ();
+}
+
+void
+CoreAudioBackend::buffer_size_callback ()
+{
+ uint32_t bs = _pcmio->samples_per_period();
+ if (bs == _samples_per_period) {
+ return;
+ }
+ _samples_per_period = bs;
+ engine.buffer_size_change (_samples_per_period);
+}
+
+void
+CoreAudioBackend::sample_rate_callback ()
+{
+ if (_preinit) {
+#ifndef NDEBUG
+ printf("Samplerate change during initialization.\n");
+#endif
+ return;
+ }
+ _pcmio->set_error_callback (NULL, NULL);
+ _pcmio->set_sample_rate_callback (NULL, NULL);
+ _pcmio->set_xrun_callback (NULL, NULL);
+ _midiio->set_port_changed_callback(NULL, NULL);
+ engine.halted_callback("Sample Rate Changed.");
+ stop();
+}
+
+void
+CoreAudioBackend::hw_changed_callback ()
+{
+ _reinit_thread_callback = true;
+ engine.request_device_list_update();
+}
/******************************************************************************/
static bool available ();
static ARDOUR::AudioBackendInfo _descriptor = {
- "CoreAudio2",
+ "CoreAudio",
instantiate,
deinstantiate,
backend_factory,
int CoreBackendPort::connect (CoreBackendPort *port)
{
if (!port) {
- PBD::error << _("CoreBackendPort::connect (): invalid (null) port") << endmsg;
+ PBD::warning << _("CoreBackendPort::connect (): invalid (null) port") << endmsg;
return -1;
}
if (type () != port->type ()) {
- PBD::error << _("CoreBackendPort::connect (): wrong port-type") << endmsg;
+ PBD::warning << _("CoreBackendPort::connect (): wrong port-type") << endmsg;
return -1;
}
if (is_output () && port->is_output ()) {
- PBD::error << _("CoreBackendPort::connect (): cannot inter-connect output ports.") << endmsg;
+ PBD::warning << _("CoreBackendPort::connect (): cannot inter-connect output ports.") << endmsg;
return -1;
}
if (is_input () && port->is_input ()) {
- PBD::error << _("CoreBackendPort::connect (): cannot inter-connect input ports.") << endmsg;
+ PBD::warning << _("CoreBackendPort::connect (): cannot inter-connect input ports.") << endmsg;
return -1;
}
if (this == port) {
- PBD::error << _("CoreBackendPort::connect (): cannot self-connect ports.") << endmsg;
+ PBD::warning << _("CoreBackendPort::connect (): cannot self-connect ports.") << endmsg;
return -1;
}
if (is_connected (port)) {
#if 0 // don't bother to warn about this for now. just ignore it
- PBD::error << _("CoreBackendPort::connect (): ports are already connected:")
+ PBD::info << _("CoreBackendPort::connect (): ports are already connected:")
<< " (" << name () << ") -> (" << port->name () << ")"
<< endmsg;
#endif
int CoreBackendPort::disconnect (CoreBackendPort *port)
{
if (!port) {
- PBD::error << _("CoreBackendPort::disconnect (): invalid (null) port") << endmsg;
+ PBD::warning << _("CoreBackendPort::disconnect (): invalid (null) port") << endmsg;
return -1;
}
if (!is_connected (port)) {
- PBD::error << _("CoreBackendPort::disconnect (): ports are not connected:")
+ PBD::warning << _("CoreBackendPort::disconnect (): ports are not connected:")
<< " (" << name () << ") -> (" << port->name () << ")"
<< endmsg;
return -1;
: CoreBackendPort (b, name, flags)
, _n_periods (1)
, _bufperiod (0)
+ , _event (0, 0)
+ , _first_time(true)
+ , _unbuffered_bytes(0)
+ , _total_bytes(0)
+ , _expected_bytes(0)
+ , _status_byte(0)
+
{
_buffer[0].clear ();
_buffer[1].clear ();
}
std::sort ((_buffer[_bufperiod]).begin (), (_buffer[_bufperiod]).end (), MidiEventSorter());
}
+ if (!_buffer[_bufperiod].empty()) {
+ fprintf (stderr, "COREMIDI: %s have data in buffer (%d events)\n", name().c_str(), _buffer[_bufperiod].size());
+ }
return &(_buffer[_bufperiod]);
}
+int
+CoreMidiPort::queue_event (
+ void* port_buffer,
+ pframes_t timestamp,
+ const uint8_t* buffer, size_t size)
+{
+ if (!buffer || !port_buffer) return -1;
+ _event._pending = false;
+ CoreMidiBuffer& dst = * static_cast<CoreMidiBuffer*>(port_buffer);
+ if (dst.size () && (pframes_t)dst.back ()->timestamp () > timestamp) {
+#ifndef NDEBUG
+ // nevermind, ::get_buffer() sorts events
+ fprintf (stderr, "CoreMidiBuffer: unordered event: %d > %d\n",
+ (pframes_t)dst.back ()->timestamp (), timestamp);
+#endif
+ }
+ fprintf (stderr, "coremidi: queue event/buffer size %d @ %d\n", size, timestamp);
+ dst.push_back (boost::shared_ptr<CoreMidiEvent>(new CoreMidiEvent (timestamp, buffer, size)));
+ return 0;
+}
+
+void
+CoreMidiPort::parse_events (const uint64_t time, const uint8_t *data, const size_t size)
+{
+ CoreMidiBuffer* mbuf = static_cast<CoreMidiBuffer*>(get_buffer(0));
+
+ mbuf->clear();
+
+ if (_event._pending) {
+ if (queue_event (mbuf, _event._time, _parser_buffer, _event._size)) {
+ return;
+ }
+ }
+
+ for (size_t i = 0; i < size; ++i) {
+ if (_first_time && !(data[i] & 0x80)) {
+ continue;
+ }
+
+ _first_time = false;
+
+ if (process_byte(time, data[i])) {
+ if (queue_event (mbuf, _event._time, _parser_buffer, _event._size)) {
+ return;
+ }
+ }
+ }
+}
+
+// based on JackMidiRawInputWriteQueue by Devin Anderson //
+bool
+CoreMidiPort::process_byte(const uint64_t time, const uint8_t byte)
+{
+ if (byte >= 0xf8) {
+ // Realtime
+ if (byte == 0xfd) {
+ return false;
+ }
+ _parser_buffer[0] = byte;
+ prepare_byte_event(time, byte);
+ return true;
+ }
+ if (byte == 0xf7) {
+ // Sysex end
+ if (_status_byte == 0xf0) {
+ record_byte(byte);
+ return prepare_buffered_event(time);
+ }
+ _total_bytes = 0;
+ _unbuffered_bytes = 0;
+ _expected_bytes = 0;
+ _status_byte = 0;
+ return false;
+ }
+ if (byte >= 0x80) {
+ // Non-realtime status byte
+ if (_total_bytes) {
+ printf ("CoreMidiPort: discarded bogus midi message\n");
+#if 0
+ for (size_t i=0; i < _total_bytes; ++i) {
+ printf("%02x ", _parser_buffer[i]);
+ }
+ printf("\n");
+#endif
+ _total_bytes = 0;
+ _unbuffered_bytes = 0;
+ }
+ _status_byte = byte;
+ switch (byte & 0xf0) {
+ case 0x80:
+ case 0x90:
+ case 0xa0:
+ case 0xb0:
+ case 0xe0:
+ // Note On, Note Off, Aftertouch, Control Change, Pitch Wheel
+ _expected_bytes = 3;
+ break;
+ case 0xc0:
+ case 0xd0:
+ // Program Change, Channel Pressure
+ _expected_bytes = 2;
+ break;
+ case 0xf0:
+ switch (byte) {
+ case 0xf0:
+ // Sysex
+ _expected_bytes = 0;
+ break;
+ case 0xf1:
+ case 0xf3:
+ // MTC Quarter Frame, Song Select
+ _expected_bytes = 2;
+ break;
+ case 0xf2:
+ // Song Position
+ _expected_bytes = 3;
+ break;
+ case 0xf4:
+ case 0xf5:
+ // Undefined
+ _expected_bytes = 0;
+ _status_byte = 0;
+ return false;
+ case 0xf6:
+ // Tune Request
+ prepare_byte_event(time, byte);
+ _expected_bytes = 0;
+ _status_byte = 0;
+ return true;
+ }
+ }
+ record_byte(byte);
+ return false;
+ }
+ // Data byte
+ if (! _status_byte) {
+ // Data bytes without a status will be discarded.
+ _total_bytes++;
+ _unbuffered_bytes++;
+ return false;
+ }
+ if (! _total_bytes) {
+ record_byte(_status_byte);
+ }
+ record_byte(byte);
+ return (_total_bytes == _expected_bytes) ? prepare_buffered_event(time) : false;
+}
+
+
CoreMidiEvent::CoreMidiEvent (const pframes_t timestamp, const uint8_t* data, size_t size)
: _size (size)
, _timestamp (timestamp)
projects / ardour.git / blobdiff