, _last_process_start (0)
, _input_audio_device("")
, _output_audio_device("")
- , _midi_driver_option(_("None"))
+ , _midi_driver_option(get_standard_device_name(DeviceNone))
, _samplerate (48000)
, _samples_per_period (1024)
, _n_inputs (0)
std::map<size_t, std::string> devices;
_pcmio->input_device_list(devices);
- _input_audio_device_status.push_back (DeviceStatus (_("None"), true));
+ _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));
std::map<size_t, std::string> devices;
_pcmio->output_device_list(devices);
- _output_audio_device_status.push_back (DeviceStatus (_("None"), true));
+ _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));
}
std::vector<float>
-CoreAudioBackend::available_sample_rates (const std::string&) const
+CoreAudioBackend::available_sample_rates (const std::string& device) const
+{
+ std::vector<float> sr;
+ _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_audio_device);
- const uint32_t out = name_to_id(_output_audio_device);
+ 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);
+ _pcmio->available_sample_rates (out, sr_out);
return sr_out;
} else if (out == UINT32_MAX) {
- _pcmio->available_sample_rates(inp, sr_in);
+ _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);
+ _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));
+ std::set_intersection (sr_in.begin(), sr_in.end(), sr_out.begin(), sr_out.end(), std::back_inserter(sr));
return sr;
}
}
CoreAudioBackend::available_buffer_sizes (const std::string& device) const
{
std::vector<uint32_t> bs;
- _pcmio->available_buffer_sizes(name_to_id(device), bs);
+ _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
{
int
CoreAudioBackend::set_sample_rate (float sr)
{
- std::vector<float> srs = available_sample_rates (/* really ignored */_input_audio_device);
+ 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;
}
{
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;
}
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;
void
CoreAudioBackend::launch_control_app ()
{
- _pcmio->launch_control_app(name_to_id(_input_audio_device));
+ 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 */
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()) {
_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 ()) {
if (_n_outputs == 0) {
- _n_outputs = _pcmio->n_playback_channels ();
+ _n_outputs = _pcmio->n_playback_channels ();
} else {
- _n_outputs = std::min (_n_outputs, _pcmio->n_playback_channels ());
+ _n_outputs = std::min (_n_outputs, _pcmio->n_playback_channels ());
}
PBD::info << _("CoreAudioBackend: adjusted output channel count to match device.") << endmsg;
}
if (_n_inputs != _pcmio->n_capture_channels ()) {
if (_n_inputs == 0) {
- _n_inputs = _pcmio->n_capture_channels ();
+ _n_inputs = _pcmio->n_capture_channels ();
} else {
- _n_inputs = std::min (_n_inputs, _pcmio->n_capture_channels ());
+ _n_inputs = std::min (_n_inputs, _pcmio->n_capture_channels ());
}
PBD::info << _("CoreAudioBackend: adjusted input channel count to match device.") << endmsg;
}
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;
}
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;
unregister_ports();
_active_ca = false;
_active_fw = false;
- return -1;
+ return FreewheelThreadStartError;
}
if (!_active_ca) {
PBD::error << _("CoreAudioBackend: failed to start coreaudio.") << endmsg;
stop();
_run = false;
- return -1;
+ return ProcessThreadStartError;
}
engine.reconnect_ports ();
_pcmio->set_xrun_callback (xrun_callback_ptr, this);
_preinit = false;
- return 0;
+ return NoError;
}
int
float
CoreAudioBackend::dsp_load () const
{
- return std::min(100.f, 100.f * _dsp_load);
+ return 100.f * _dsp_load;
}
size_t
CoreAudioBackend::raw_buffer_size (DataType t)
{
switch (t) {
- case DataType::AUDIO:
- return _samples_per_period * sizeof(Sample);
- case DataType::MIDI:
- return _max_buffer_size; // XXX not really limited
+ case DataType::AUDIO:
+ return _samples_per_period * sizeof(Sample);
+ case DataType::MIDI:
+ return _max_buffer_size; // XXX not really limited
}
return 0;
}
ThreadData* td = new ThreadData (this, func, stacksize);
if (_realtime_pthread_create (SCHED_FIFO, -21, stacksize,
- &thread_id, coreaudio_process_thread, td)) {
+ &thread_id, coreaudio_process_thread, td)) {
pthread_attr_init (&attr);
pthread_attr_setstacksize (&attr, stacksize);
if (pthread_create (&thread_id, &attr, coreaudio_process_thread, td)) {
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 ();
CoreAudioBackend::get_port_property (PortHandle port, const std::string& key, std::string& value, std::string& type) 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 -1;
}
if (key == "http://jackaudio.org/metadata/pretty-name") {
int
CoreAudioBackend::get_ports (
- const std::string& port_name_pattern,
- DataType type, PortFlags flags,
- std::vector<std::string>& port_names) const
+ const std::string& port_name_pattern,
+ DataType type, PortFlags flags,
+ std::vector<std::string>& port_names) const
{
int rv = 0;
regex_t port_regex;
PortEngine::PortHandle
CoreAudioBackend::register_port (
- const std::string& name,
- ARDOUR::DataType type,
- ARDOUR::PortFlags flags)
+ const std::string& name,
+ ARDOUR::DataType type,
+ ARDOUR::PortFlags flags)
{
if (name.size () == 0) { return 0; }
if (flags & IsPhysical) { return 0; }
PortEngine::PortHandle
CoreAudioBackend::add_port (
- const std::string& name,
- ARDOUR::DataType type,
- ARDOUR::PortFlags flags)
+ const std::string& name,
+ ARDOUR::DataType type,
+ ARDOUR::PortFlags flags)
{
assert(name.size ());
if (find_port (name)) {
- PBD::error << _("CoreAudioBackend::register_port: Port already exists:")
- << " (" << name << ")" << endmsg;
+ PBD::warning << _("CoreAudioBackend::register_port: Port already exists:")
+ << " (" << name << ")" << endmsg;
return 0;
}
CoreBackendPort* port = NULL;
switch (type) {
- case DataType::AUDIO:
- port = new CoreAudioPort (*this, name, flags);
- break;
- case DataType::MIDI:
- port = new CoreMidiPort (*this, name, flags);
- break;
- default:
- PBD::error << _("CoreAudioBackend::register_port: Invalid Data Type.") << endmsg;
- return 0;
+ case DataType::AUDIO:
+ port = new CoreAudioPort (*this, name, flags);
+ break;
+ case DataType::MIDI:
+ port = new CoreMidiPort (*this, name, flags);
+ break;
+ default:
+ PBD::error << _("CoreAudioBackend::register_port: Invalid Data Type.") << endmsg;
+ return 0;
}
_ports.push_back (port);
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);
#ifndef NDEBUG
printf("COREAUDIO LATENCY: i:%d, o:%d\n",
- coreaudio_reported_input_latency,
- coreaudio_reported_output_latency);
+ coreaudio_reported_input_latency,
+ coreaudio_reported_output_latency);
#endif
/* audio ports */
CoreBackendPort* dst_port = find_port (dst);
if (!src_port) {
- PBD::error << _("CoreAudioBackend::connect: Invalid Source port:")
- << " (" << src <<")" << endmsg;
+ PBD::warning << _("CoreAudioBackend::connect: Invalid Source port:")
+ << " (" << src <<")" << endmsg;
return -1;
}
if (!dst_port) {
- PBD::error << _("CoreAudioBackend::connect: Invalid Destination port:")
- << " (" << dst <<")" << endmsg;
+ PBD::warning << _("CoreAudioBackend::connect: Invalid Destination port:")
+ << " (" << dst <<")" << endmsg;
return -1;
}
return src_port->connect (dst_port);
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")
- << " (" << dst << ")" << endmsg;
+ PBD::warning << _("CoreAudioBackend::connect: Invalid Destination Port")
+ << " (" << dst << ")" << endmsg;
return -1;
}
return static_cast<CoreBackendPort*>(src)->connect (dst_port);
{
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;
}
/* MIDI */
int
CoreAudioBackend::midi_event_get (
- pframes_t& timestamp,
- size_t& size, uint8_t** buf, void* port_buffer,
- uint32_t event_index)
+ pframes_t& timestamp,
+ size_t& size, uint8_t** buf, void* port_buffer,
+ uint32_t event_index)
{
if (!buf || !port_buffer) return -1;
CoreMidiBuffer& source = * static_cast<CoreMidiBuffer*>(port_buffer);
}
int
-CoreAudioBackend::midi_event_put (
- void* port_buffer,
- pframes_t timestamp,
- const uint8_t* buffer, size_t size)
+CoreAudioBackend::_midi_event_put (
+ void* port_buffer,
+ pframes_t timestamp,
+ const uint8_t* buffer, size_t size)
{
if (!buffer || !port_buffer) return -1;
CoreMidiBuffer& dst = * static_cast<CoreMidiBuffer*>(port_buffer);
#ifndef NDEBUG
// nevermind, ::get_buffer() sorts events
fprintf (stderr, "CoreMidiBuffer: unordered event: %d > %d\n",
- (pframes_t)dst.back ()->timestamp (), timestamp);
+ (pframes_t)dst.back ()->timestamp (), timestamp);
#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)
{
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 r;
if (!valid_port (port)) {
- PBD::error << _("CoreBackendPort::get_latency_range (): invalid port.") << endmsg;
+ PBD::warning << _("CoreBackendPort::get_latency_range (): invalid port.") << endmsg;
r.min = 0;
r.max = 0;
return r;
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 ();
CoreBackendPort* port = _ports[i];
if (port->is_output () && port->is_physical ()) {
switch (port->type ()) {
- case DataType::AUDIO: ++n_audio; break;
- case DataType::MIDI: ++n_midi; break;
- default: break;
+ case DataType::AUDIO: ++n_audio; break;
+ case DataType::MIDI: ++n_midi; break;
+ default: break;
}
}
}
CoreBackendPort* port = _ports[i];
if (port->is_input () && port->is_physical ()) {
switch (port->type ()) {
- case DataType::AUDIO: ++n_audio; break;
- case DataType::MIDI: ++n_midi; break;
- default: break;
+ case DataType::AUDIO: ++n_audio; break;
+ case DataType::MIDI: ++n_midi; break;
+ default: break;
}
}
}
}
}
+void
+CoreAudioBackend::reset_midi_parsers ()
+{
+ for (std::vector<CoreBackendPort*>::const_iterator it = _system_midi_in.begin (); it != _system_midi_in.end (); ++it) {
+ CoreMidiPort* port = dynamic_cast<CoreMidiPort*>(*it);
+ if (port) {
+ port->reset_parser ();
+ }
+ }
+}
+
void *
CoreAudioBackend::freewheel_thread ()
{
_freewheel = false; // first mark as disabled
_reinit_thread_callback = true; // hand over _main_thread
_freewheel_ack = false; // prepare next handshake
+ reset_midi_parsers ();
_midiio->set_enabled(true);
+ engine.freewheel_callback (_freewheeling);
} else {
first_run = true;
_freewheel = true;
_main_thread = pthread_self();
AudioEngine::thread_init_callback (this);
_midiio->set_enabled(false);
+ reset_midi_parsers ();
}
// process port updates first in every cycle.
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));
}
return 0;
}
-
int
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;
/* 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();
+ 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);
+
+ port->clear_events ();
+
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);
+ port->parse_events (time, data, size);
+ size = sizeof(data); /* prepare for next call to recv_event */
}
}
_processed_samples += n_samples;
/* calc DSP load. */
- clock2 = g_get_monotonic_time();
- const int64_t elapsed_time = clock2 - clock1;
- // low pass filter
- const float load = elapsed_time / (float) nominal_time;
- if (load > _dsp_load) {
- _dsp_load = load;
- } else {
- const float a = .2 * _samples_per_period / _samplerate;
- _dsp_load = _dsp_load + a * (load - _dsp_load) + 1e-12;
- }
+ _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 ();
pthread_mutex_unlock (&_process_callback_mutex);
return 0;
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);
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:")
- << " (" << name () << ") -> (" << port->name () << ")"
- << endmsg;
+ PBD::info << _("CoreBackendPort::connect (): ports are already connected:")
+ << " (" << name () << ") -> (" << port->name () << ")"
+ << endmsg;
#endif
return -1;
}
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:")
- << " (" << name () << ") -> (" << port->name () << ")"
- << endmsg;
+ PBD::warning << _("CoreBackendPort::disconnect (): ports are not connected:")
+ << " (" << name () << ") -> (" << port->name () << ")"
+ << endmsg;
return -1;
}
_disconnect (port, true);
: 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 ();
if (is_input ()) {
(_buffer[_bufperiod]).clear ();
for (std::vector<CoreBackendPort*>::const_iterator i = get_connections ().begin ();
- i != get_connections ().end ();
- ++i) {
+ i != get_connections ().end ();
+ ++i) {
const CoreMidiBuffer * src = static_cast<const CoreMidiPort*>(*i)->const_buffer ();
+ if (!src->empty()) {
+ fprintf (stderr, "Copying %d events from %s\n", src->size(), (*i)->name().c_str());
+ }
for (CoreMidiBuffer::const_iterator it = src->begin (); it != src->end (); ++it) {
(_buffer[_bufperiod]).push_back (boost::shared_ptr<CoreMidiEvent>(new CoreMidiEvent (**it)));
}
}
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)
+{
+ return CoreAudioBackend::_midi_event_put (port_buffer, timestamp, buffer, size);
+}
+
+void
+CoreMidiPort::reset_parser ()
+{
+ _event._pending = false;
+ _first_time = true;
+ _unbuffered_bytes = 0;
+ _total_bytes = 0;
+ _expected_bytes = 0;
+ _status_byte = 0;
+}
+
+void
+CoreMidiPort::clear_events ()
+{
+ CoreMidiBuffer* mbuf = static_cast<CoreMidiBuffer*>(get_buffer(0));
+ mbuf->clear();
+}
+
+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)
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