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

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Revision 2568 - (hide annotations) (download)
Tue May 20 14:53:06 2014 UTC (9 years, 11 months ago) by schoenebeck
File size: 11770 byte(s)
* CoreMIDI: automatically connect to all input sources by default (driver
  parameter "AUTO_BIND").

1 schoenebeck 201 /***************************************************************************
2     * *
3 schoenebeck 551 * Copyright (C) 2004, 2005 Grame *
4 schoenebeck 2568 * Copyright (C) 2005 - 2014 Christian Schoenebeck *
5 schoenebeck 201 * *
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 letz 362 #include "MidiInputDeviceFactory.h"
24 schoenebeck 201
25     namespace LinuxSampler {
26 schoenebeck 2370
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 persson 2382 delete[] buf;
47 schoenebeck 2370 return "";
48     }
49     String result = buf;
50 persson 2382 delete[] buf;
51 schoenebeck 2370 return result;
52     }
53    
54    
55     // *************** ParameterName ***************
56     // *
57 schoenebeck 201
58 schoenebeck 1149 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterName::ParameterName(MidiInputPort* pPort) throw (Exception) : MidiInputPort::ParameterName(pPort, "Port " + ToString(pPort->GetPortNumber())) {
59 letz 362 OnSetValue(ValueAsString()); // initialize port name
60     }
61    
62 schoenebeck 1149 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterName::OnSetValue(String s) throw (Exception) {
63 schoenebeck 2370 //TODO: renaming of port to be implemented
64 schoenebeck 551 }
65    
66 schoenebeck 2370 // *************** ParameterCoreMidiBindings ***************
67     // *
68 letz 362
69     MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::ParameterCoreMidiBindings(MidiInputPortCoreMidi* pPort) : DeviceRuntimeParameterStrings( std::vector<String>() ) {
70     this->pPort = pPort;
71 schoenebeck 201 }
72    
73 letz 362 String MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::Description() {
74     return "Bindings to other CoreMidi clients";
75 schoenebeck 201 }
76 letz 362 bool MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::Fix() {
77     return false;
78     }
79 schoenebeck 201
80 letz 362 std::vector<String> MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::PossibilitiesAsString() {
81     std::vector<String> res;
82 schoenebeck 2370
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 letz 362 return res;
92     }
93    
94 schoenebeck 1149 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterCoreMidiBindings::OnSetValue(std::vector<String> vS) throw (Exception) {
95 schoenebeck 2370 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 letz 362 }
110 schoenebeck 2370
111     // *************** ParameterAutoBind ***************
112     // *
113    
114     MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ParameterAutoBind::ParameterAutoBind(MidiInputPortCoreMidi* pPort)
115 schoenebeck 2568 : DeviceRuntimeParameterBool(true)
116 schoenebeck 2370 {
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 letz 362
132    
133     // *************** MidiInputPortCoreMidi ***************
134     // *
135 schoenebeck 2370
136     int MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::pPortID = 0;
137 letz 362
138     MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::MidiInputPortCoreMidi(MidiInputDeviceCoreMidi* pDevice) throw (MidiInputException) : MidiInputPort(pDevice, -1) {
139 schoenebeck 2370 this->pDevice = pDevice;
140    
141 letz 362 // create CoreMidi virtual destination
142 schoenebeck 551
143 nagata 1642 /* 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 letz 362 if (!pDestination) throw MidiInputException("Error creating CoreMidi virtual destination");
152     this->portNumber = pPortID++;
153 schoenebeck 551
154 letz 362 Parameters["NAME"] = new ParameterName(this);
155     Parameters["CORE_MIDI_BINDINGS"] = new ParameterCoreMidiBindings(this);
156 schoenebeck 2370 Parameters["AUTO_BIND"] = new ParameterAutoBind(this);
157 schoenebeck 201 }
158    
159 letz 362 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::~MidiInputPortCoreMidi() {
160     MIDIEndpointDispose(pDestination);
161     }
162 schoenebeck 551
163 letz 362 void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ReadProc(const MIDIPacketList* pktlist, void* refCon, void* connRefCon)
164 schoenebeck 201 {
165 letz 362 MidiInputPortCoreMidi* port = (MidiInputPortCoreMidi*)refCon;
166 schoenebeck 2370 port->ProcessMidiEvents(pktlist);
167     }
168    
169     void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::ProcessMidiEvents(const MIDIPacketList *pktlist) {
170 schoenebeck 551 MIDIPacket *packet = (MIDIPacket *)pktlist->packet;
171 letz 362 for (unsigned int i = 0; i < pktlist->numPackets; ++i) {
172 schoenebeck 2440 uint8_t* pData = (uint8_t*) packet->data;
173 schoenebeck 2431 int k = 0;
174     // A MIDIPacket can have more than one (non SysEx) MIDI event in one
175     // packet. However SysEx messages are guaranteed to be alone in one
176     // MIDIPacket.
177     do {
178     int eventSize = expectedEventSize(pData[k]);
179     if (eventSize < 0) eventSize = packet->length - k;
180    
181     if (k + eventSize > packet->length) goto next_packet;
182    
183 schoenebeck 2440 DispatchRaw(&pData[k]);
184 schoenebeck 2431 k += eventSize;
185     } while (k < packet->length);
186    
187     next_packet:
188 schoenebeck 201 packet = MIDIPacketNext(packet);
189 schoenebeck 551 }
190 letz 362 }
191 schoenebeck 2370
192     void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::connectToSource(MIDIEndpointRef source) {
193 schoenebeck 2440 // check if we already have such a connection, if yes, ignore it
194 schoenebeck 2370 for (uint i = 0; i < bindings.size(); ++i) {
195 schoenebeck 2440 if (bindings[i] == source) return;
196 schoenebeck 2370 }
197     // now establish the CoreMIDI connection
198     MIDIPortConnectSource(pDevice->pBridge, source, this);
199     // and remember it
200     bindings.push_back(source);
201     }
202    
203     void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::connectToAllSources() {
204     const ItemCount sourceCount = MIDIGetNumberOfSources();
205     for (ItemCount i = 0; i < sourceCount; ++i) {
206     MIDIEndpointRef source = MIDIGetSource(i);
207     connectToSource(source);
208     dmsg(1,("Auto binded to CoreMIDI source '%s'\n", _getDisplayName(source).c_str()));
209     }
210     }
211    
212     void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::onNewSourceAppeared(MIDIEndpointRef source) {
213     if (((ParameterAutoBind*)Parameters["AUTO_BIND"])->ValueAsBool()) {
214     connectToSource(source);
215     dmsg(1,("Auto binded to new CoreMIDI source '%s'\n", _getDisplayName(source).c_str()));
216     }
217     }
218    
219     void MidiInputDeviceCoreMidi::MidiInputPortCoreMidi::onNewSourceDisappeared(MIDIEndpointRef source) {
220 schoenebeck 2375 std::vector<MIDIEndpointRef>::iterator iter = std::find(bindings.begin(), bindings.end(), source);
221     if (iter != bindings.end()) {
222     dmsg(1,("CoreMIDI source '%s' disappeared, disconnecting it.\n", _getDisplayName(source).c_str()));
223     bindings.erase(iter);
224     }
225 schoenebeck 2370 }
226 letz 362
227 schoenebeck 551
228     // *************** MidiInputDeviceCoreMidi ***************
229     // *
230    
231     MidiInputDeviceCoreMidi::MidiInputDeviceCoreMidi(std::map<String,DeviceCreationParameter*> Parameters, void* pSampler) : MidiInputDevice(Parameters, pSampler)
232 letz 362 {
233 schoenebeck 2370 MIDIClientCreate(CFSTR("LinuxSampler"), NotifyProc, this, &hCoreMidiClient);
234 letz 362 if (!hCoreMidiClient) throw MidiInputException("Error opening CoreMidi client");
235 schoenebeck 2370
236     OSStatus status = MIDIInputPortCreate(hCoreMidiClient, CFSTR("bridge"), _bridgeInputEvent, this, &pBridge);
237     if (status != noErr) throw MidiInputException("Could not create bridge port for CoreMIDI client");
238    
239 letz 362 AcquirePorts(((DeviceCreationParameterInt*)Parameters["PORTS"])->ValueAsInt());
240     }
241    
242 schoenebeck 551 MidiInputDeviceCoreMidi::~MidiInputDeviceCoreMidi()
243 letz 362 {
244     if (hCoreMidiClient) {
245     MIDIClientDispose(hCoreMidiClient);
246 schoenebeck 201 }
247 letz 362 }
248 schoenebeck 551
249 letz 362 MidiInputDeviceCoreMidi::MidiInputPortCoreMidi* MidiInputDeviceCoreMidi::CreateMidiPort() {
250     return new MidiInputPortCoreMidi(this);
251     }
252 schoenebeck 551
253 letz 362 String MidiInputDeviceCoreMidi::Name() {
254 letz 509 return "COREMIDI";
255 letz 362 }
256    
257     String MidiInputDeviceCoreMidi::Driver() {
258     return Name();
259     }
260 schoenebeck 551
261 letz 362 String MidiInputDeviceCoreMidi::Description() {
262     return "Apple CoreMidi";
263     }
264    
265     String MidiInputDeviceCoreMidi::Version() {
266 schoenebeck 2494 String s = "$Revision$";
267 letz 362 return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
268     }
269    
270     void MidiInputDeviceCoreMidi::NotifyProc(const MIDINotification* message, void* refCon)
271     {
272 schoenebeck 2370 MidiInputDeviceCoreMidi* pDevice = (MidiInputDeviceCoreMidi*) refCon;
273    
274     switch (message->messageID) {
275     case kMIDIMsgObjectAdded: {
276     MIDIObjectAddRemoveNotification* notification = (MIDIObjectAddRemoveNotification*) message;
277     if (notification->childType == kMIDIObjectType_Source) {
278     for (std::map<int,MidiInputPort*>::iterator iter = pDevice->Ports.begin();
279     iter != pDevice->Ports.end(); ++iter)
280     {
281     MidiInputPortCoreMidi* pPort = (MidiInputPortCoreMidi*) iter->second;
282     MIDIEndpointRef source = (MIDIEndpointRef) notification->child;
283     pPort->onNewSourceAppeared(source);
284     }
285     }
286     break;
287     }
288    
289     case kMIDIMsgObjectRemoved: {
290     MIDIObjectAddRemoveNotification* notification = (MIDIObjectAddRemoveNotification*) message;
291     if (notification->childType == kMIDIObjectType_Source) {
292     for (std::map<int,MidiInputPort*>::iterator iter = pDevice->Ports.begin();
293     iter != pDevice->Ports.end(); ++iter)
294     {
295     MidiInputPortCoreMidi* pPort = (MidiInputPortCoreMidi*) iter->second;
296     MIDIEndpointRef source = (MIDIEndpointRef) notification->child;
297     pPort->onNewSourceDisappeared(source);
298     }
299     }
300     break;
301     }
302    
303     case kMIDIMsgSetupChanged:
304     case kMIDIMsgPropertyChanged:
305     case kMIDIMsgThruConnectionsChanged:
306     case kMIDIMsgSerialPortOwnerChanged:
307     case kMIDIMsgIOError:
308     break;
309 letz 362 }
310 schoenebeck 201 }
311    
312     } // namespace LinuxSampler

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