printf("STATE: %d\n", _pcmio->state ());
#endif
switch (_pcmio->state ()) {
- 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;
+ 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 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;
}
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)) {
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::warning << _("CoreAudioBackend::register_port: Port already exists:")
- << " (" << name << ")" << endmsg;
+ << " (" << 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);
#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 */
if (!src_port) {
PBD::warning << _("CoreAudioBackend::connect: Invalid Source port:")
- << " (" << src <<")" << endmsg;
+ << " (" << src <<")" << endmsg;
return -1;
}
if (!dst_port) {
PBD::warning << _("CoreAudioBackend::connect: Invalid Destination port:")
- << " (" << dst <<")" << endmsg;
+ << " (" << dst <<")" << endmsg;
return -1;
}
return src_port->connect (dst_port);
}
if (!dst_port) {
PBD::warning << _("CoreAudioBackend::connect: Invalid Destination Port")
- << " (" << dst << ")" << endmsg;
+ << " (" << dst << ")" << endmsg;
return -1;
}
return static_cast<CoreBackendPort*>(src)->connect (dst_port);
/* 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)
+ 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)));
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 ();
- }
- }
+ 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 *
_freewheel = false; // first mark as disabled
_reinit_thread_callback = true; // hand over _main_thread
_freewheel_ack = false; // prepare next handshake
- reset_midi_parsers ();
+ reset_midi_parsers ();
_midiio->set_enabled(true);
engine.freewheel_callback (_freewheeling);
} else {
_main_thread = pthread_self();
AudioEngine::thread_init_callback (this);
_midiio->set_enabled(false);
- reset_midi_parsers ();
+ reset_midi_parsers ();
}
// process port updates first in every cycle.
/* get midi */
i=0;
for (std::vector<CoreBackendPort*>::const_iterator it = _system_midi_in.begin (); it != _system_midi_in.end (); ++it, ++i) {
- 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);
+ 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 ();
+ 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);
- port->parse_events (time, data, size);
- size = sizeof(data); /* prepare for next call to recv_event */
- }
+ 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 */
if (is_connected (port)) {
#if 0 // don't bother to warn about this for now. just ignore it
PBD::info << _("CoreBackendPort::connect (): ports are already connected:")
- << " (" << name () << ") -> (" << port->name () << ")"
- << endmsg;
+ << " (" << name () << ") -> (" << port->name () << ")"
+ << endmsg;
#endif
return -1;
}
if (!is_connected (port)) {
PBD::warning << _("CoreBackendPort::disconnect (): ports are not connected:")
- << " (" << name () << ") -> (" << port->name () << ")"
- << endmsg;
+ << " (" << 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)
+ , _event (0, 0)
+ , _first_time(true)
+ , _unbuffered_bytes(0)
+ , _total_bytes(0)
+ , _expected_bytes(0)
+ , _status_byte(0)
{
_buffer[0].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());
- }
+ 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());
- }
+ 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)
+ void* port_buffer,
+ pframes_t timestamp,
+ const uint8_t* buffer, size_t size)
{
- return CoreAudioBackend::_midi_event_put (port_buffer, timestamp, buffer, 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;
+ _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();
-}
+ 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)
+CoreMidiPort::parse_events (const uint64_t time, const uint8_t *data, const size_t size)
{
- CoreMidiBuffer* mbuf = static_cast<CoreMidiBuffer*>(get_buffer(0));
+ CoreMidiBuffer* mbuf = static_cast<CoreMidiBuffer*>(get_buffer(0));
+
+ mbuf->clear();
- mbuf->clear();
-
if (_event._pending) {
if (queue_event (mbuf, _event._time, _parser_buffer, _event._size)) {
return;
continue;
}
- _first_time = false;
-
+ _first_time = false;
+
if (process_byte(time, data[i])) {
if (queue_event (mbuf, _event._time, _parser_buffer, _event._size)) {
return;
record_byte(byte);
return prepare_buffered_event(time);
}
- _total_bytes = 0;
- _unbuffered_bytes = 0;
+ _total_bytes = 0;
+ _unbuffered_bytes = 0;
_expected_bytes = 0;
_status_byte = 0;
return false;
}
_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;
+ 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 0xc0:
- case 0xd0:
- // Program Change, Channel Pressure
+ case 0xf1:
+ case 0xf3:
+ // MTC Quarter Frame, Song Select
_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;
- }
+ 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;
class CoreAudioBackend;
class CoreMidiEvent {
- public:
- CoreMidiEvent (const pframes_t timestamp, const uint8_t* data, size_t size);
- CoreMidiEvent (const CoreMidiEvent& other);
- ~CoreMidiEvent ();
- size_t size () const { return _size; };
- pframes_t timestamp () const { return _timestamp; };
- const unsigned char* const_data () const { return _data; };
- unsigned char* data () { return _data; };
- bool operator< (const CoreMidiEvent &other) const { return timestamp () < other.timestamp (); };
- private:
- size_t _size;
- pframes_t _timestamp;
- uint8_t *_data;
+ public:
+ CoreMidiEvent (const pframes_t timestamp, const uint8_t* data, size_t size);
+ CoreMidiEvent (const CoreMidiEvent& other);
+ ~CoreMidiEvent ();
+ size_t size () const { return _size; };
+ pframes_t timestamp () const { return _timestamp; };
+ const unsigned char* const_data () const { return _data; };
+ unsigned char* data () { return _data; };
+ bool operator< (const CoreMidiEvent &other) const { return timestamp () < other.timestamp (); };
+ private:
+ size_t _size;
+ pframes_t _timestamp;
+ uint8_t *_data;
};
typedef std::vector<boost::shared_ptr<CoreMidiEvent> > CoreMidiBuffer;
class CoreBackendPort {
- protected:
- CoreBackendPort (CoreAudioBackend &b, const std::string&, PortFlags);
- public:
- virtual ~CoreBackendPort ();
+ protected:
+ CoreBackendPort (CoreAudioBackend &b, const std::string&, PortFlags);
+ public:
+ virtual ~CoreBackendPort ();
+
+ const std::string& name () const { return _name; }
+ const std::string& pretty_name () const { return _pretty_name; }
+ PortFlags flags () const { return _flags; }
- const std::string& name () const { return _name; }
- const std::string& pretty_name () const { return _pretty_name; }
- PortFlags flags () const { return _flags; }
+ int set_name (const std::string &name) { _name = name; return 0; }
+ int set_pretty_name (const std::string &name) { _pretty_name = name; return 0; }
- int set_name (const std::string &name) { _name = name; return 0; }
- int set_pretty_name (const std::string &name) { _pretty_name = name; return 0; }
+ virtual DataType type () const = 0;
- virtual DataType type () const = 0;
+ bool is_input () const { return flags () & IsInput; }
+ bool is_output () const { return flags () & IsOutput; }
+ bool is_physical () const { return flags () & IsPhysical; }
+ bool is_terminal () const { return flags () & IsTerminal; }
+ bool is_connected () const { return _connections.size () != 0; }
+ bool is_connected (const CoreBackendPort *port) const;
+ bool is_physically_connected () const;
- bool is_input () const { return flags () & IsInput; }
- bool is_output () const { return flags () & IsOutput; }
- bool is_physical () const { return flags () & IsPhysical; }
- bool is_terminal () const { return flags () & IsTerminal; }
- bool is_connected () const { return _connections.size () != 0; }
- bool is_connected (const CoreBackendPort *port) const;
- bool is_physically_connected () const;
+ const std::vector<CoreBackendPort *>& get_connections () const { return _connections; }
- const std::vector<CoreBackendPort *>& get_connections () const { return _connections; }
+ int connect (CoreBackendPort *port);
+ int disconnect (CoreBackendPort *port);
+ void disconnect_all ();
- int connect (CoreBackendPort *port);
- int disconnect (CoreBackendPort *port);
- void disconnect_all ();
+ virtual void* get_buffer (pframes_t nframes) = 0;
- virtual void* get_buffer (pframes_t nframes) = 0;
+ const LatencyRange latency_range (bool for_playback) const
+ {
+ return for_playback ? _playback_latency_range : _capture_latency_range;
+ }
- const LatencyRange latency_range (bool for_playback) const
+ void set_latency_range (const LatencyRange &latency_range, bool for_playback)
+ {
+ if (for_playback)
{
- return for_playback ? _playback_latency_range : _capture_latency_range;
+ _playback_latency_range = latency_range;
}
-
- void set_latency_range (const LatencyRange &latency_range, bool for_playback)
+ else
{
- if (for_playback)
- {
- _playback_latency_range = latency_range;
- }
- else
- {
- _capture_latency_range = latency_range;
- }
+ _capture_latency_range = latency_range;
}
+ }
- private:
- CoreAudioBackend &_osx_backend;
- std::string _name;
- std::string _pretty_name;
- const PortFlags _flags;
- LatencyRange _capture_latency_range;
- LatencyRange _playback_latency_range;
- std::vector<CoreBackendPort*> _connections;
+ private:
+ CoreAudioBackend &_osx_backend;
+ std::string _name;
+ std::string _pretty_name;
+ const PortFlags _flags;
+ LatencyRange _capture_latency_range;
+ LatencyRange _playback_latency_range;
+ std::vector<CoreBackendPort*> _connections;
- void _connect (CoreBackendPort* , bool);
- void _disconnect (CoreBackendPort* , bool);
+ void _connect (CoreBackendPort* , bool);
+ void _disconnect (CoreBackendPort* , bool);
}; // class CoreBackendPort
class CoreAudioPort : public CoreBackendPort {
- public:
- CoreAudioPort (CoreAudioBackend &b, const std::string&, PortFlags);
- ~CoreAudioPort ();
+ public:
+ CoreAudioPort (CoreAudioBackend &b, const std::string&, PortFlags);
+ ~CoreAudioPort ();
- DataType type () const { return DataType::AUDIO; };
+ DataType type () const { return DataType::AUDIO; };
- Sample* buffer () { return _buffer; }
- const Sample* const_buffer () const { return _buffer; }
- void* get_buffer (pframes_t nframes);
+ Sample* buffer () { return _buffer; }
+ const Sample* const_buffer () const { return _buffer; }
+ void* get_buffer (pframes_t nframes);
- private:
- Sample _buffer[8192];
+ private:
+ Sample _buffer[8192];
}; // class CoreAudioPort
class CoreMidiPort : public CoreBackendPort {
- public:
- CoreMidiPort (CoreAudioBackend &b, const std::string&, PortFlags);
- ~CoreMidiPort ();
+ public:
+ CoreMidiPort (CoreAudioBackend &b, const std::string&, PortFlags);
+ ~CoreMidiPort ();
- DataType type () const { return DataType::MIDI; };
+ DataType type () const { return DataType::MIDI; };
- void* get_buffer (pframes_t nframes);
- const CoreMidiBuffer * const_buffer () const { return & _buffer[_bufperiod]; }
+ void* get_buffer (pframes_t nframes);
+ const CoreMidiBuffer * const_buffer () const { return & _buffer[_bufperiod]; }
- void next_period() { if (_n_periods > 1) { get_buffer(0); _bufperiod = (_bufperiod + 1) % _n_periods; } }
- void set_n_periods(int n) { if (n > 0 && n < 3) { _n_periods = n; } }
+ void next_period() { if (_n_periods > 1) { get_buffer(0); _bufperiod = (_bufperiod + 1) % _n_periods; } }
+ void set_n_periods(int n) { if (n > 0 && n < 3) { _n_periods = n; } }
- void parse_events (const uint64_t time, const uint8_t *data, const size_t size);
- void clear_events ();
- void reset_parser ();
+ void parse_events (const uint64_t time, const uint8_t *data, const size_t size);
+ void clear_events ();
+ void reset_parser ();
- private:
- CoreMidiBuffer _buffer[2];
- int _n_periods;
- int _bufperiod;
+ private:
+ CoreMidiBuffer _buffer[2];
+ int _n_periods;
+ int _bufperiod;
- int queue_event (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size);
+ int queue_event (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size);
bool process_byte (const uint64_t, const uint8_t);
-
+
void record_byte(uint8_t byte) {
if (_total_bytes < sizeof(_parser_buffer)) {
_parser_buffer[_total_bytes] = byte;
class CoreAudioBackend : public AudioBackend {
friend class CoreBackendPort;
- public:
- CoreAudioBackend (AudioEngine& e, AudioBackendInfo& info);
- ~CoreAudioBackend ();
-
- /* AUDIOBACKEND API */
-
- std::string name () const;
- bool is_realtime () const;
-
- bool use_separate_input_and_output_devices () const { return true; }
- std::vector<DeviceStatus> enumerate_devices () const;
- std::vector<DeviceStatus> enumerate_input_devices () const;
- std::vector<DeviceStatus> enumerate_output_devices () const;
-
- std::vector<float> available_sample_rates (const std::string& device) const;
- std::vector<float> available_sample_rates2 (const std::string&, const std::string&) const;
- std::vector<uint32_t> available_buffer_sizes (const std::string& device) const;
- std::vector<uint32_t> available_buffer_sizes2 (const std::string&, const std::string&) const;
- uint32_t available_input_channel_count (const std::string& device) const;
- uint32_t available_output_channel_count (const std::string& device) const;
-
- bool can_change_sample_rate_when_running () const;
- bool can_change_buffer_size_when_running () const;
-
- int set_device_name (const std::string&);
- int set_input_device_name (const std::string&);
- int set_output_device_name (const std::string&);
- int set_sample_rate (float);
- int set_buffer_size (uint32_t);
- int set_interleaved (bool yn);
- int set_input_channels (uint32_t);
- int set_output_channels (uint32_t);
- int set_systemic_input_latency (uint32_t);
- int set_systemic_output_latency (uint32_t);
- int set_systemic_midi_input_latency (std::string const, uint32_t) { return 0; }
- int set_systemic_midi_output_latency (std::string const, uint32_t) { return 0; }
-
- int reset_device () { return 0; };
-
- /* Retrieving parameters */
- std::string device_name () const;
- std::string input_device_name () const;
- std::string output_device_name () const;
- float sample_rate () const;
- uint32_t buffer_size () const;
- bool interleaved () const;
- uint32_t input_channels () const;
- uint32_t output_channels () const;
- uint32_t systemic_input_latency () const;
- uint32_t systemic_output_latency () const;
- uint32_t systemic_midi_input_latency (std::string const) const { return 0; }
- uint32_t systemic_midi_output_latency (std::string const) const { return 0; }
-
- bool can_set_systemic_midi_latencies () const { return false; /* XXX */}
-
- /* External control app */
- std::string control_app_name () const { return std::string ("Apple"); }
- void launch_control_app ();
-
- /* MIDI */
- std::vector<std::string> enumerate_midi_options () const;
- int set_midi_option (const std::string&);
- std::string midi_option () const;
-
- std::vector<DeviceStatus> enumerate_midi_devices () const {
- return std::vector<AudioBackend::DeviceStatus> ();
- }
- int set_midi_device_enabled (std::string const, bool) {
- return true;
- }
- bool midi_device_enabled (std::string const) const {
- return false;
- }
-
- // really private, but needing static access:
- int process_callback(uint32_t, uint64_t);
- void error_callback();
- void xrun_callback();
- void buffer_size_callback();
- void sample_rate_callback();
- void hw_changed_callback();
-
- protected:
- /* State Control */
- int _start (bool for_latency_measurement);
- public:
- int stop ();
- int freewheel (bool);
- float dsp_load () const;
- size_t raw_buffer_size (DataType t);
-
- /* Process time */
- framepos_t sample_time ();
- framepos_t sample_time_at_cycle_start ();
- pframes_t samples_since_cycle_start ();
-
- int create_process_thread (boost::function<void()> func);
- int join_process_threads ();
- bool in_process_thread ();
- uint32_t process_thread_count ();
-
- void update_latencies ();
+ public:
+ CoreAudioBackend (AudioEngine& e, AudioBackendInfo& info);
+ ~CoreAudioBackend ();
+
+ /* AUDIOBACKEND API */
+
+ std::string name () const;
+ bool is_realtime () const;
+
+ bool use_separate_input_and_output_devices () const { return true; }
+ std::vector<DeviceStatus> enumerate_devices () const;
+ std::vector<DeviceStatus> enumerate_input_devices () const;
+ std::vector<DeviceStatus> enumerate_output_devices () const;
+
+ std::vector<float> available_sample_rates (const std::string& device) const;
+ std::vector<float> available_sample_rates2 (const std::string&, const std::string&) const;
+ std::vector<uint32_t> available_buffer_sizes (const std::string& device) const;
+ std::vector<uint32_t> available_buffer_sizes2 (const std::string&, const std::string&) const;
+ uint32_t available_input_channel_count (const std::string& device) const;
+ uint32_t available_output_channel_count (const std::string& device) const;
+
+ bool can_change_sample_rate_when_running () const;
+ bool can_change_buffer_size_when_running () const;
+
+ int set_device_name (const std::string&);
+ int set_input_device_name (const std::string&);
+ int set_output_device_name (const std::string&);
+ int set_sample_rate (float);
+ int set_buffer_size (uint32_t);
+ int set_interleaved (bool yn);
+ int set_input_channels (uint32_t);
+ int set_output_channels (uint32_t);
+ int set_systemic_input_latency (uint32_t);
+ int set_systemic_output_latency (uint32_t);
+ int set_systemic_midi_input_latency (std::string const, uint32_t) { return 0; }
+ int set_systemic_midi_output_latency (std::string const, uint32_t) { return 0; }
+
+ int reset_device () { return 0; };
+
+ /* Retrieving parameters */
+ std::string device_name () const;
+ std::string input_device_name () const;
+ std::string output_device_name () const;
+ float sample_rate () const;
+ uint32_t buffer_size () const;
+ bool interleaved () const;
+ uint32_t input_channels () const;
+ uint32_t output_channels () const;
+ uint32_t systemic_input_latency () const;
+ uint32_t systemic_output_latency () const;
+ uint32_t systemic_midi_input_latency (std::string const) const { return 0; }
+ uint32_t systemic_midi_output_latency (std::string const) const { return 0; }
+
+ bool can_set_systemic_midi_latencies () const { return false; /* XXX */}
+
+ /* External control app */
+ std::string control_app_name () const { return std::string ("Apple"); }
+ void launch_control_app ();
+
+ /* MIDI */
+ std::vector<std::string> enumerate_midi_options () const;
+ int set_midi_option (const std::string&);
+ std::string midi_option () const;
+
+ std::vector<DeviceStatus> enumerate_midi_devices () const {
+ return std::vector<AudioBackend::DeviceStatus> ();
+ }
+ int set_midi_device_enabled (std::string const, bool) {
+ return true;
+ }
+ bool midi_device_enabled (std::string const) const {
+ return false;
+ }
- /* PORTENGINE API */
+ // really private, but needing static access:
+ int process_callback(uint32_t, uint64_t);
+ void error_callback();
+ void xrun_callback();
+ void buffer_size_callback();
+ void sample_rate_callback();
+ void hw_changed_callback();
+
+ protected:
+ /* State Control */
+ int _start (bool for_latency_measurement);
+ public:
+ int stop ();
+ int freewheel (bool);
+ float dsp_load () const;
+ size_t raw_buffer_size (DataType t);
+
+ /* Process time */
+ framepos_t sample_time ();
+ framepos_t sample_time_at_cycle_start ();
+ pframes_t samples_since_cycle_start ();
+
+ int create_process_thread (boost::function<void()> func);
+ int join_process_threads ();
+ bool in_process_thread ();
+ uint32_t process_thread_count ();
+
+ void update_latencies ();
+
+ /* PORTENGINE API */
+
+ void* private_handle () const;
+ const std::string& my_name () const;
+ bool available () const;
+ uint32_t port_name_size () const;
+
+ int set_port_name (PortHandle, const std::string&);
+ std::string get_port_name (PortHandle) const;
+ PortHandle get_port_by_name (const std::string&) const;
+ int get_port_property (PortHandle, const std::string& key, std::string& value, std::string& type) const;
+
+ int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
+
+ DataType port_data_type (PortHandle) const;
+
+ PortHandle register_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
+ void unregister_port (PortHandle);
+
+ int connect (const std::string& src, const std::string& dst);
+ int disconnect (const std::string& src, const std::string& dst);
+ int connect (PortHandle, const std::string&);
+ int disconnect (PortHandle, const std::string&);
+ int disconnect_all (PortHandle);
+
+ bool connected (PortHandle, bool process_callback_safe);
+ bool connected_to (PortHandle, const std::string&, bool process_callback_safe);
+ bool physically_connected (PortHandle, bool process_callback_safe);
+ int get_connections (PortHandle, std::vector<std::string>&, bool process_callback_safe);
+
+ /* MIDI */
+ int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** buf, void* port_buffer, uint32_t event_index);
+ int midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size) {
+ return _midi_event_put (port_buffer, timestamp, buffer, size);
+ }
- void* private_handle () const;
- const std::string& my_name () const;
- bool available () const;
- uint32_t port_name_size () const;
+ uint32_t get_midi_event_count (void* port_buffer);
+ void midi_clear (void* port_buffer);
- int set_port_name (PortHandle, const std::string&);
- std::string get_port_name (PortHandle) const;
- PortHandle get_port_by_name (const std::string&) const;
- int get_port_property (PortHandle, const std::string& key, std::string& value, std::string& type) const;
+ /* Monitoring */
- int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
+ bool can_monitor_input () const;
+ int request_input_monitoring (PortHandle, bool);
+ int ensure_input_monitoring (PortHandle, bool);
+ bool monitoring_input (PortHandle);
- DataType port_data_type (PortHandle) const;
+ /* Latency management */
- PortHandle register_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
- void unregister_port (PortHandle);
+ void set_latency_range (PortHandle, bool for_playback, LatencyRange);
+ LatencyRange get_latency_range (PortHandle, bool for_playback);
- int connect (const std::string& src, const std::string& dst);
- int disconnect (const std::string& src, const std::string& dst);
- int connect (PortHandle, const std::string&);
- int disconnect (PortHandle, const std::string&);
- int disconnect_all (PortHandle);
+ /* Discovering physical ports */
- bool connected (PortHandle, bool process_callback_safe);
- bool connected_to (PortHandle, const std::string&, bool process_callback_safe);
- bool physically_connected (PortHandle, bool process_callback_safe);
- int get_connections (PortHandle, std::vector<std::string>&, bool process_callback_safe);
+ bool port_is_physical (PortHandle) const;
+ void get_physical_outputs (DataType type, std::vector<std::string>&);
+ void get_physical_inputs (DataType type, std::vector<std::string>&);
+ ChanCount n_physical_outputs () const;
+ ChanCount n_physical_inputs () const;
- /* MIDI */
- int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** buf, void* port_buffer, uint32_t event_index);
- int midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size) {
- return _midi_event_put (port_buffer, timestamp, buffer, size);
- }
+ /* Getting access to the data buffer for a port */
- uint32_t get_midi_event_count (void* port_buffer);
- void midi_clear (void* port_buffer);
+ void* get_buffer (PortHandle, pframes_t);
- /* Monitoring */
+ void* freewheel_thread ();
+ void pre_process ();
+ void coremidi_rediscover ();
- bool can_monitor_input () const;
- int request_input_monitoring (PortHandle, bool);
- int ensure_input_monitoring (PortHandle, bool);
- bool monitoring_input (PortHandle);
-
- /* Latency management */
+ static int _midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size);
- void set_latency_range (PortHandle, bool for_playback, LatencyRange);
- LatencyRange get_latency_range (PortHandle, bool for_playback);
-
- /* Discovering physical ports */
+ private:
+ std::string _instance_name;
+ CoreAudioPCM *_pcmio;
+ CoreMidiIo *_midiio;
- bool port_is_physical (PortHandle) const;
- void get_physical_outputs (DataType type, std::vector<std::string>&);
- void get_physical_inputs (DataType type, std::vector<std::string>&);
- ChanCount n_physical_outputs () const;
- ChanCount n_physical_inputs () const;
-
- /* Getting access to the data buffer for a port */
+ bool _run; /* keep going or stop, ardour thread */
+ bool _active_ca; /* is running, process thread */
+ bool _active_fw; /* is running, process thread */
+ bool _preinit;
+ bool _freewheeling;
+ bool _freewheel;
+ bool _freewheel_ack;
+ bool _reinit_thread_callback;
+ bool _measure_latency;
- void* get_buffer (PortHandle, pframes_t);
-
- void* freewheel_thread ();
- void pre_process ();
- void coremidi_rediscover ();
-
- static int _midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size);
-
- private:
- std::string _instance_name;
- CoreAudioPCM *_pcmio;
- CoreMidiIo *_midiio;
-
- bool _run; /* keep going or stop, ardour thread */
- bool _active_ca; /* is running, process thread */
- bool _active_fw; /* is running, process thread */
- bool _preinit;
- bool _freewheeling;
- bool _freewheel;
- bool _freewheel_ack;
- bool _reinit_thread_callback;
- bool _measure_latency;
+ uint64_t _last_process_start;
- uint64_t _last_process_start;
+ pthread_mutex_t _process_callback_mutex;
- pthread_mutex_t _process_callback_mutex;
+ pthread_mutex_t _freewheel_mutex;
+ pthread_cond_t _freewheel_signal;
- pthread_mutex_t _freewheel_mutex;
- pthread_cond_t _freewheel_signal;
+ static std::vector<std::string> _midi_options;
+ static std::vector<AudioBackend::DeviceStatus> _input_audio_device_status;
+ static std::vector<AudioBackend::DeviceStatus> _output_audio_device_status;
+ static std::vector<AudioBackend::DeviceStatus> _duplex_audio_device_status;
+ static std::vector<AudioBackend::DeviceStatus> _midi_device_status;
- static std::vector<std::string> _midi_options;
- static std::vector<AudioBackend::DeviceStatus> _input_audio_device_status;
- static std::vector<AudioBackend::DeviceStatus> _output_audio_device_status;
- static std::vector<AudioBackend::DeviceStatus> _duplex_audio_device_status;
- static std::vector<AudioBackend::DeviceStatus> _midi_device_status;
+ mutable std::string _input_audio_device;
+ mutable std::string _output_audio_device;
+ std::string _midi_driver_option;
- mutable std::string _input_audio_device;
- mutable std::string _output_audio_device;
- std::string _midi_driver_option;
+ /* audio settings */
+ float _samplerate;
+ size_t _samples_per_period;
+ static size_t _max_buffer_size;
- /* audio settings */
- float _samplerate;
- size_t _samples_per_period;
- static size_t _max_buffer_size;
+ uint32_t _n_inputs;
+ uint32_t _n_outputs;
- uint32_t _n_inputs;
- uint32_t _n_outputs;
+ uint32_t _systemic_audio_input_latency;
+ uint32_t _systemic_audio_output_latency;
- uint32_t _systemic_audio_input_latency;
- uint32_t _systemic_audio_output_latency;
+ /* coreaudio specific */
+ uint32_t name_to_id(std::string) const;
- /* coreaudio specific */
- uint32_t name_to_id(std::string) const;
+ /* processing */
+ float _dsp_load;
+ ARDOUR::DSPLoadCalculator _dsp_load_calc;
+ uint64_t _processed_samples;
- /* processing */
- float _dsp_load;
- ARDOUR::DSPLoadCalculator _dsp_load_calc;
- uint64_t _processed_samples;
-
- pthread_t _main_thread;
- pthread_t _freeewheel_thread;
+ pthread_t _main_thread;
+ pthread_t _freeewheel_thread;
- /* process threads */
- static void* coreaudio_process_thread (void *);
-
std::vector<pthread_t> _threads;
+ /* process threads */
+ static void* coreaudio_process_thread (void *);
+ std::vector<pthread_t> _threads;
- struct ThreadData {
- CoreAudioBackend* engine;
- boost::function<void ()> f;
- size_t stacksize;
+ struct ThreadData {
+ CoreAudioBackend* engine;
+ boost::function<void ()> f;
+ size_t stacksize;
- ThreadData (CoreAudioBackend* e, boost::function<void ()> fp, size_t stacksz)
- : engine (e) , f (fp) , stacksize (stacksz) {}
- };
+ ThreadData (CoreAudioBackend* e, boost::function<void ()> fp, size_t stacksz)
+ : engine (e) , f (fp) , stacksize (stacksz) {}
+ };
- /* port engine */
- PortHandle add_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
- int register_system_audio_ports ();
- void unregister_ports (bool system_only = false);
+ /* port engine */
+ PortHandle add_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
+ int register_system_audio_ports ();
+ void unregister_ports (bool system_only = false);
- std::vector<CoreBackendPort *> _ports;
- std::vector<CoreBackendPort *> _system_inputs;
- std::vector<CoreBackendPort *> _system_outputs;
- std::vector<CoreBackendPort *> _system_midi_in;
- std::vector<CoreBackendPort *> _system_midi_out;
+ std::vector<CoreBackendPort *> _ports;
+ std::vector<CoreBackendPort *> _system_inputs;
+ std::vector<CoreBackendPort *> _system_outputs;
+ std::vector<CoreBackendPort *> _system_midi_in;
+ std::vector<CoreBackendPort *> _system_midi_out;
- struct PortConnectData {
- std::string a;
- std::string b;
- bool c;
-
- PortConnectData (const std::string& a, const std::string& b, bool c)
- : a (a) , b (b) , c (c) {}
- };
-
-
std::vector<PortConnectData *> _port_connection_queue;
- pthread_mutex_t _port_callback_mutex;
- bool _port_change_flag;
-
- void port_connect_callback (const std::string& a, const std::string& b, bool conn) {
- pthread_mutex_lock (&_port_callback_mutex);
- _port_connection_queue.push_back(new PortConnectData(a, b, conn));
- pthread_mutex_unlock (&_port_callback_mutex);
- }
+ struct PortConnectData {
+ std::string a;
+ std::string b;
+ bool c;
+
+ PortConnectData (const std::string& a, const std::string& b, bool c)
+ : a (a) , b (b) , c (c) {}
+ };
+
+ std::vector<PortConnectData *> _port_connection_queue;
+ pthread_mutex_t _port_callback_mutex;
+ bool _port_change_flag;
+
+ void port_connect_callback (const std::string& a, const std::string& b, bool conn) {
+ pthread_mutex_lock (&_port_callback_mutex);
+ _port_connection_queue.push_back(new PortConnectData(a, b, conn));
+ pthread_mutex_unlock (&_port_callback_mutex);
+ }
- void port_connect_add_remove_callback () {
- pthread_mutex_lock (&_port_callback_mutex);
- _port_change_flag = true;
- pthread_mutex_unlock (&_port_callback_mutex);
- }
+ void port_connect_add_remove_callback () {
+ pthread_mutex_lock (&_port_callback_mutex);
+ _port_change_flag = true;
+ pthread_mutex_unlock (&_port_callback_mutex);
+ }
- bool valid_port (PortHandle port) const {
- return std::find (_ports.begin (), _ports.end (), (CoreBackendPort*)port) != _ports.end ();
- }
+ bool valid_port (PortHandle port) const {
+ return std::find (_ports.begin (), _ports.end (), (CoreBackendPort*)port) != _ports.end ();
+ }
- CoreBackendPort * find_port (const std::string& port_name) const {
- for (std::vector<CoreBackendPort*>::const_iterator it = _ports.begin (); it != _ports.end (); ++it) {
- if ((*it)->name () == port_name) {
- return *it;
- }
+ CoreBackendPort * find_port (const std::string& port_name) const {
+ for (std::vector<CoreBackendPort*>::const_iterator it = _ports.begin (); it != _ports.end (); ++it) {
+ if ((*it)->name () == port_name) {
+ return *it;
}
- return NULL;
}
+ return NULL;
+ }
- CoreBackendPort * find_port_in (std::vector<CoreBackendPort *> plist, const std::string& port_name) const {
- for (std::vector<CoreBackendPort*>::const_iterator it = plist.begin (); it != plist.end (); ++it) {
- if ((*it)->name () == port_name) {
- return *it;
- }
+ CoreBackendPort * find_port_in (std::vector<CoreBackendPort *> plist, const std::string& port_name) const {
+ for (std::vector<CoreBackendPort*>::const_iterator it = plist.begin (); it != plist.end (); ++it) {
+ if ((*it)->name () == port_name) {
+ return *it;
}
- return NULL;
}
-
- void reset_midi_parsers ();
+ return NULL;
+ }
+
+ void reset_midi_parsers ();
}; // class CoreAudioBackend
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