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coremidi separate ID and Name, use fixed IDs.

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This commit is contained in:
Robin Gareus 2015-03-08 18:11:38 +01:00
parent 0cf11acc27
commit 8fd67c5a88
3 changed files with 45 additions and 20 deletions
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16
libs/backends/coreaudio/coreaudio_backend.cc
View file

@ -968,7 +968,7 @@ CoreAudioBackend::coremidi_rediscover()
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_name(i, false)) {
if ((*it)->name() == _midiio->port_id(i, false)) {
found = true;
break;
}
@ -988,7 +988,7 @@ CoreAudioBackend::coremidi_rediscover()
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_name(i, true)) {
if ((*it)->name() == _midiio->port_id(i, true)) {
found = true;
break;
}
@ -1006,7 +1006,7 @@ CoreAudioBackend::coremidi_rediscover()
}
for (size_t i = 0; i < _midiio->n_midi_inputs(); ++i) {
std::string name = _midiio->port_name(i, true);
std::string name = _midiio->port_id(i, true);
if (find_port_in(_system_midi_in, name)) {
continue;
}
@ -1022,12 +1022,14 @@ CoreAudioBackend::coremidi_rediscover()
LatencyRange lr;
lr.min = lr.max = _samples_per_period; // TODO add per-port midi-systemic latency
set_latency_range (p, false, lr);
_system_midi_in.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 (size_t i = 0; i < _midiio->n_midi_outputs(); ++i) {
std::string name = _midiio->port_name(i, false);
std::string name = _midiio->port_id(i, false);
if (find_port_in(_system_midi_out, name)) {
continue;
}
@ -1043,7 +1045,9 @@ CoreAudioBackend::coremidi_rediscover()
LatencyRange lr;
lr.min = lr.max = _samples_per_period; // TODO add per-port midi-systemic latency
set_latency_range (p, false, lr);
_system_midi_out.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;
}

48
libs/backends/coreaudio/coremidi_io.cc
View file

@ -43,11 +43,11 @@ static void midiInputCallback(const MIDIPacketList *list, void *procRef, void *s
}
}
static std::string getDisplayName(MIDIObjectRef object)
static std::string getPropertyString (MIDIObjectRef object, CFStringRef key)
{
CFStringRef name = nil;
std::string rv = "";
if (noErr == MIDIObjectGetStringProperty(object, kMIDIPropertyDisplayName, &name)) {
if (noErr == MIDIObjectGetStringProperty(object, key, &name)) {
const CFIndex size = CFStringGetMaximumSizeForEncoding(CFStringGetLength(name), kCFStringEncodingUTF8);
char *tmp = (char*) malloc(size);
if (CFStringGetCString(name, tmp, size, kCFStringEncodingUTF8)) {
@ -59,6 +59,10 @@ static std::string getDisplayName(MIDIObjectRef object)
return rv;
}
static std::string getDisplayName (MIDIObjectRef object) {
return getPropertyString(object, kMIDIPropertyDisplayName);
}
CoreMidiIo::CoreMidiIo()
: _midi_client (0)
, _input_endpoints (0)
@ -231,28 +235,44 @@ CoreMidiIo::send_event (uint32_t port, double reltime_us, const uint8_t *d, cons
return 0;
}
std::string
CoreMidiIo::port_id (uint32_t port, bool input)
{
std::stringstream ss;
if (input) {
ss << "system:midi_capture_";
SInt32 id;
if (noErr == MIDIObjectGetIntegerProperty(_input_endpoints[port], kMIDIPropertyUniqueID, &id)) {
ss << (int)id;
} else {
ss << port;
}
} else {
ss << "system:midi_playback_";
SInt32 id;
if (noErr == MIDIObjectGetIntegerProperty(_output_endpoints[port], kMIDIPropertyUniqueID, &id)) {
ss << (int)id;
} else {
ss << port;
}
}
return ss.str();
}
std::string
CoreMidiIo::port_name (uint32_t port, bool input)
{
std::stringstream ss;
std::string pn;
// XXX including the number will not yield persistent port-names
// when disconnecting devices in the middle.
if (input) {
ss << "system:midi_capture_" << port;
if (port < _n_midi_in) {
pn = getDisplayName(_input_endpoints[port]);
return getDisplayName(_input_endpoints[port]);
}
} else {
ss << "system:midi_playback_" << port;
if (port < _n_midi_out) {
pn = getDisplayName(_output_endpoints[port]);
return getDisplayName(_output_endpoints[port]);
}
}
if (!pn.empty()) {
ss << " - " << pn;
}
return ss.str();
return "";
}
void

1
libs/backends/coreaudio/coremidi_io.h
View file

@ -74,6 +74,7 @@ public:
uint32_t n_midi_inputs (void) const { return _n_midi_in; }
uint32_t n_midi_outputs (void) const { return _n_midi_out; }
std::string port_id (uint32_t, bool input);
std::string port_name (uint32_t, bool input);
void notify_proc (const MIDINotification *message);