/[svn]/linuxsampler/trunk/src/drivers/midi/MidiInputDeviceCoreMidi.cpp
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Contents of /linuxsampler/trunk/src/drivers/midi/MidiInputDeviceCoreMidi.cpp

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Revision 2370 - (show annotations) (download)
Wed Sep 19 13:11:45 2012 UTC (11 years, 7 months ago) by schoenebeck
File size: 11237 byte(s)
* CoreMIDI driver: implemented driver specific port parameter
  "CORE_MIDI_BINDINGS", which allows to retrieve the list of CoreMIDI
  clients / ports and to connect to them a la JACK, via the usual
  sampler APIs
* CoreMIDI driver: added driver specific port parameter "AUTO_BIND", if
  enabled the driver will automatically connect to other CoreMIDI
  clients' ports (e.g. external MIDI devices being attached to the Mac)

1 /***************************************************************************
2 * *
3 * Copyright (C) 2004, 2005 Grame *
4 * Copyright (C) 2005 - 2012 Christian Schoenebeck *
5 * *
6 * This program is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the Free Software *
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
19 * MA 02111-1307 USA *
20 ***************************************************************************/
21
22 #include "MidiInputDeviceCoreMidi.h"
23 #include "MidiInputDeviceFactory.h"
24
25 namespace LinuxSampler {
26
27 // *************** privat static functions ***************
28 // *
29
30 static void _bridgeInputEvent(const MIDIPacketList* packetList, void* /*device*/, void* port) {
31 //MidiInputDeviceCoreMidi* pDevice = (MidiInputDeviceCoreMidi*) device;
32 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi* pPort = (MidiInputDeviceCoreMidi::MidiInputPortCoreMidi*) port;
33 pPort->ProcessMidiEvents(packetList);
34 }
35
36 static String _getDisplayName(MIDIObjectRef object) {
37 CFStringRef name = nil;
38 if (MIDIObjectGetStringProperty(object, kMIDIPropertyDisplayName, &name) != noErr) {
39 dmsg(1,("CoreMIDI: could not resolve display name of object\n"));
40 return "";
41 }
42 // convert NSString to C string
43 char* buf = new char[256];
44 if (!CFStringGetCString(name, buf, 256, kCFStringEncodingUTF8)) {
45 dmsg(1,("CoreMIDI: could not convert display name string\n"));
46 delete buf;
47 return "";
48 }
49 String result = buf;
50 delete buf;
51 return result;
52 }
53
54
55 // *************** ParameterName ***************
56 // *
57
58 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterName::ParameterName(MidiInputPort* pPort) throw (Exception) : MidiInputPort::ParameterName(pPort, "Port " + ToString(pPort->GetPortNumber())) {
59 OnSetValue(ValueAsString()); // initialize port name
60 }
61
62 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterName::OnSetValue(String s) throw (Exception) {
63 //TODO: renaming of port to be implemented
64 }
65
66 // *************** ParameterCoreMidiBindings ***************
67 // *
68
69 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::ParameterCoreMidiBindings(MidiInputPortCoreMidi* pPort) : DeviceRuntimeParameterStrings( std::vector<String>() ) {
70 this->pPort = pPort;
71 }
72
73 String MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::Description() {
74 return "Bindings to other CoreMidi clients";
75 }
76 bool MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::Fix() {
77 return false;
78 }
79
80 std::vector<String> MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::PossibilitiesAsString() {
81 std::vector<String> res;
82
83 const ItemCount sourceCount = MIDIGetNumberOfSources();
84 for (ItemCount i = 0; i < sourceCount; ++i) {
85 MIDIEndpointRef source = MIDIGetSource(i);
86 res.push_back(
87 _getDisplayName(source)
88 );
89 }
90
91 return res;
92 }
93
94 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::OnSetValue(std::vector<String> vS) throw (Exception) {
95 for (int k = 0; k < vS.size(); ++k) {
96 const ItemCount sourceCount = MIDIGetNumberOfSources();
97 for (ItemCount i = 0; i < sourceCount; ++i) {
98 MIDIEndpointRef source = MIDIGetSource(i);
99 String name = _getDisplayName(source);
100 if (name == vS[k]) {
101 pPort->connectToSource(source);
102 goto matchFound;
103 }
104 }
105 throw MidiInputException("No CoreMIDI source '" + vS[k] + "' found to connect to");
106 matchFound:
107 ; // noop
108 }
109 }
110
111 // *************** ParameterAutoBind ***************
112 // *
113
114 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterAutoBind::ParameterAutoBind(MidiInputPortCoreMidi* pPort)
115 : DeviceRuntimeParameterBool(false)
116 {
117 this->pPort = pPort;
118 }
119
120 String MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterAutoBind::Description() {
121 return "Whether port shall automatically be connected to all CoreMIDI source endpoints.";
122 }
123
124 bool MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterAutoBind::Fix() {
125 return false;
126 }
127
128 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterAutoBind::OnSetValue(bool b) throw (Exception) {
129 if (b) pPort->connectToAllSources();
130 }
131
132
133 // *************** MidiInputPortCoreMidi ***************
134 // *
135
136 int MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::pPortID = 0;
137
138 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::MidiInputPortCoreMidi(MidiInputDeviceCoreMidi* pDevice) throw (MidiInputException) : MidiInputPort(pDevice, -1) {
139 this->pDevice = pDevice;
140
141 // create CoreMidi virtual destination
142
143 /* 20080105 Toshi Nagata */
144 char buf[32];
145 CFStringRef str;
146 snprintf(buf, sizeof buf, "LinuxSampler_in_%d", pPortID);
147 str = CFStringCreateWithCString(NULL, buf, kCFStringEncodingUTF8);
148 MIDIDestinationCreate(pDevice->hCoreMidiClient, str, ReadProc, this, &pDestination);
149 /* */
150
151 if (!pDestination) throw MidiInputException("Error creating CoreMidi virtual destination");
152 this->portNumber = pPortID++;
153
154 Parameters["NAME"] = new ParameterName(this);
155 Parameters["CORE_MIDI_BINDINGS"] = new ParameterCoreMidiBindings(this);
156 Parameters["AUTO_BIND"] = new ParameterAutoBind(this);
157 }
158
159 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::~MidiInputPortCoreMidi() {
160 MIDIEndpointDispose(pDestination);
161 }
162
163 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ReadProc(const MIDIPacketList* pktlist, void* refCon, void* connRefCon)
164 {
165 MidiInputPortCoreMidi* port = (MidiInputPortCoreMidi*)refCon;
166 port->ProcessMidiEvents(pktlist);
167 }
168
169 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ProcessMidiEvents(const MIDIPacketList *pktlist) {
170 MIDIPacket *packet = (MIDIPacket *)pktlist->packet;
171 for (unsigned int i = 0; i < pktlist->numPackets; ++i) {
172 //TODO: To be checked : several events per packet ?
173 DispatchRaw(packet->data);
174 packet = MIDIPacketNext(packet);
175 }
176 }
177
178 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::connectToSource(MIDIEndpointRef source) {
179 // check if we already have such a connection, if yes, disconnect it first
180 for (uint i = 0; i < bindings.size(); ++i) {
181 if (bindings[i] == source) {
182 MIDIPortDisconnectSource(pDevice->pBridge, source);
183 break;
184 }
185 }
186 // now establish the CoreMIDI connection
187 MIDIPortConnectSource(pDevice->pBridge, source, this);
188 // and remember it
189 bindings.push_back(source);
190 }
191
192 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::connectToAllSources() {
193 const ItemCount sourceCount = MIDIGetNumberOfSources();
194 for (ItemCount i = 0; i < sourceCount; ++i) {
195 MIDIEndpointRef source = MIDIGetSource(i);
196 connectToSource(source);
197 dmsg(1,("Auto binded to CoreMIDI source '%s'\n", _getDisplayName(source).c_str()));
198 }
199 }
200
201 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::onNewSourceAppeared(MIDIEndpointRef source) {
202 if (((ParameterAutoBind*)Parameters["AUTO_BIND"])->ValueAsBool()) {
203 connectToSource(source);
204 dmsg(1,("Auto binded to new CoreMIDI source '%s'\n", _getDisplayName(source).c_str()));
205 }
206 }
207
208 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::onNewSourceDisappeared(MIDIEndpointRef source) {
209 //TODO: remove source from 'bindings' list eventually
210 }
211
212
213 // *************** MidiInputDeviceCoreMidi ***************
214 // *
215
216 MidiInputDeviceCoreMidi::MidiInputDeviceCoreMidi(std::map<String,DeviceCreationParameter*> Parameters, void* pSampler) : MidiInputDevice(Parameters, pSampler)
217 {
218 MIDIClientCreate(CFSTR("LinuxSampler"), NotifyProc, this, &hCoreMidiClient);
219 if (!hCoreMidiClient) throw MidiInputException("Error opening CoreMidi client");
220
221 OSStatus status = MIDIInputPortCreate(hCoreMidiClient, CFSTR("bridge"), _bridgeInputEvent, this, &pBridge);
222 if (status != noErr) throw MidiInputException("Could not create bridge port for CoreMIDI client");
223
224 AcquirePorts(((DeviceCreationParameterInt*)Parameters["PORTS"])->ValueAsInt());
225 }
226
227 MidiInputDeviceCoreMidi::~MidiInputDeviceCoreMidi()
228 {
229 if (hCoreMidiClient) {
230 MIDIClientDispose(hCoreMidiClient);
231 }
232 }
233
234 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi* MidiInputDeviceCoreMidi::CreateMidiPort() {
235 return new MidiInputPortCoreMidi(this);
236 }
237
238 String MidiInputDeviceCoreMidi::Name() {
239 return "COREMIDI";
240 }
241
242 String MidiInputDeviceCoreMidi::Driver() {
243 return Name();
244 }
245
246 String MidiInputDeviceCoreMidi::Description() {
247 return "Apple CoreMidi";
248 }
249
250 String MidiInputDeviceCoreMidi::Version() {
251 String s = "$Revision: 1.12 $";
252 return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
253 }
254
255 void MidiInputDeviceCoreMidi::NotifyProc(const MIDINotification* message, void* refCon)
256 {
257 MidiInputDeviceCoreMidi* pDevice = (MidiInputDeviceCoreMidi*) refCon;
258
259 switch (message->messageID) {
260 case kMIDIMsgObjectAdded: {
261 MIDIObjectAddRemoveNotification* notification = (MIDIObjectAddRemoveNotification*) message;
262 if (notification->childType == kMIDIObjectType_Source) {
263 for (std::map<int,MidiInputPort*>::iterator iter = pDevice->Ports.begin();
264 iter != pDevice->Ports.end(); ++iter)
265 {
266 MidiInputPortCoreMidi* pPort = (MidiInputPortCoreMidi*) iter->second;
267 MIDIEndpointRef source = (MIDIEndpointRef) notification->child;
268 pPort->onNewSourceAppeared(source);
269 }
270 }
271 break;
272 }
273
274 case kMIDIMsgObjectRemoved: {
275 MIDIObjectAddRemoveNotification* notification = (MIDIObjectAddRemoveNotification*) message;
276 if (notification->childType == kMIDIObjectType_Source) {
277 for (std::map<int,MidiInputPort*>::iterator iter = pDevice->Ports.begin();
278 iter != pDevice->Ports.end(); ++iter)
279 {
280 MidiInputPortCoreMidi* pPort = (MidiInputPortCoreMidi*) iter->second;
281 MIDIEndpointRef source = (MIDIEndpointRef) notification->child;
282 pPort->onNewSourceDisappeared(source);
283 }
284 }
285 break;
286 }
287
288 case kMIDIMsgSetupChanged:
289 case kMIDIMsgPropertyChanged:
290 case kMIDIMsgThruConnectionsChanged:
291 case kMIDIMsgSerialPortOwnerChanged:
292 case kMIDIMsgIOError:
293 break;
294 }
295 }
296
297 } // namespace LinuxSampler

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