/[svn]/linuxsampler/trunk/src/network/lscpserver.cpp
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Contents of /linuxsampler/trunk/src/network/lscpserver.cpp

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Revision 947 - (show annotations) (download)
Mon Nov 27 21:34:55 2006 UTC (17 years, 4 months ago) by schoenebeck
File size: 74666 byte(s)
* implemented MIDI instrument mapping according to latest LSCP draft

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 * Copyright (C) 2005, 2006 Christian Schoenebeck *
7 * *
8 * This library is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
12 * *
13 * This library is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU General Public License *
19 * along with this library; if not, write to the Free Software *
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21 * MA 02111-1307 USA *
22 ***************************************************************************/
23
24 #include "lscpserver.h"
25 #include "lscpresultset.h"
26 #include "lscpevent.h"
27 //#include "../common/global.h"
28
29 #include <fcntl.h>
30
31 #if HAVE_SQLITE3
32 # include "sqlite3.h"
33 #endif
34
35 #include "../engines/EngineFactory.h"
36 #include "../engines/EngineChannelFactory.h"
37 #include "../drivers/audio/AudioOutputDeviceFactory.h"
38 #include "../drivers/midi/MidiInputDeviceFactory.h"
39
40 /**
41 * Below are a few static members of the LSCPServer class.
42 * The big assumption here is that LSCPServer is going to remain a singleton.
43 * These members are used to support client connections.
44 * Class handles multiple connections at the same time using select() and non-blocking recv()
45 * Commands are processed by a single LSCPServer thread.
46 * Notifications are delivered either by the thread that originated them
47 * or (if the resultset is currently in progress) by the LSCPServer thread
48 * after the resultset was sent out.
49 * This makes sure that resultsets can not be interrupted by notifications.
50 * This also makes sure that the thread sending notification is not blocked
51 * by the LSCPServer thread.
52 */
53 fd_set LSCPServer::fdSet;
54 int LSCPServer::currentSocket = -1;
55 std::vector<yyparse_param_t> LSCPServer::Sessions = std::vector<yyparse_param_t>();
56 std::map<int,String> LSCPServer::bufferedNotifies = std::map<int,String>();
57 std::map<int,String> LSCPServer::bufferedCommands = std::map<int,String>();
58 std::map< LSCPEvent::event_t, std::list<int> > LSCPServer::eventSubscriptions = std::map< LSCPEvent::event_t, std::list<int> >();
59 Mutex LSCPServer::NotifyMutex = Mutex();
60 Mutex LSCPServer::NotifyBufferMutex = Mutex();
61 Mutex LSCPServer::SubscriptionMutex = Mutex();
62 Mutex LSCPServer::RTNotifyMutex = Mutex();
63
64 LSCPServer::LSCPServer(Sampler* pSampler, long int addr, short int port) : Thread(true, false, 0, -4) {
65 SocketAddress.sin_family = AF_INET;
66 SocketAddress.sin_addr.s_addr = addr;
67 SocketAddress.sin_port = port;
68 this->pSampler = pSampler;
69 LSCPEvent::RegisterEvent(LSCPEvent::event_channel_count, "CHANNEL_COUNT");
70 LSCPEvent::RegisterEvent(LSCPEvent::event_voice_count, "VOICE_COUNT");
71 LSCPEvent::RegisterEvent(LSCPEvent::event_stream_count, "STREAM_COUNT");
72 LSCPEvent::RegisterEvent(LSCPEvent::event_buffer_fill, "BUFFER_FILL");
73 LSCPEvent::RegisterEvent(LSCPEvent::event_channel_info, "CHANNEL_INFO");
74 LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS");
75 LSCPEvent::RegisterEvent(LSCPEvent::event_total_voice_count, "TOTAL_VOICE_COUNT");
76 hSocket = -1;
77 }
78
79 LSCPServer::~LSCPServer() {
80 if (hSocket >= 0) close(hSocket);
81 }
82
83 /**
84 * Blocks the calling thread until the LSCP Server is initialized and
85 * accepting socket connections, if the server is already initialized then
86 * this method will return immediately.
87 * @param TimeoutSeconds - optional: max. wait time in seconds
88 * (default: 0s)
89 * @param TimeoutNanoSeconds - optional: max wait time in nano seconds
90 * (default: 0ns)
91 * @returns 0 on success, a value less than 0 if timeout exceeded
92 */
93 int LSCPServer::WaitUntilInitialized(long TimeoutSeconds, long TimeoutNanoSeconds) {
94 return Initialized.WaitAndUnlockIf(false, TimeoutSeconds, TimeoutNanoSeconds);
95 }
96
97 int LSCPServer::Main() {
98 hSocket = socket(AF_INET, SOCK_STREAM, 0);
99 if (hSocket < 0) {
100 std::cerr << "LSCPServer: Could not create server socket." << std::endl;
101 //return -1;
102 exit(EXIT_FAILURE);
103 }
104
105 if (bind(hSocket, (sockaddr*) &SocketAddress, sizeof(sockaddr_in)) < 0) {
106 std::cerr << "LSCPServer: Could not bind server socket, retrying for " << ToString(LSCP_SERVER_BIND_TIMEOUT) << " seconds...";
107 for (int trial = 0; true; trial++) { // retry for LSCP_SERVER_BIND_TIMEOUT seconds
108 if (bind(hSocket, (sockaddr*) &SocketAddress, sizeof(sockaddr_in)) < 0) {
109 if (trial > LSCP_SERVER_BIND_TIMEOUT) {
110 std::cerr << "gave up!" << std::endl;
111 close(hSocket);
112 //return -1;
113 exit(EXIT_FAILURE);
114 }
115 else sleep(1); // sleep 1s
116 }
117 else break; // success
118 }
119 }
120
121 listen(hSocket, 1);
122 Initialized.Set(true);
123
124 // now wait for client connections and handle their requests
125 sockaddr_in client;
126 int length = sizeof(client);
127 FD_ZERO(&fdSet);
128 FD_SET(hSocket, &fdSet);
129 int maxSessions = hSocket;
130
131 timeval timeout;
132
133 while (true) {
134 // check if some engine channel's parameter / status changed, if so notify the respective LSCP event subscribers
135 {
136 std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances();
137 std::set<EngineChannel*>::iterator itEngineChannel = engineChannels.begin();
138 std::set<EngineChannel*>::iterator itEnd = engineChannels.end();
139 for (; itEngineChannel != itEnd; ++itEngineChannel) {
140 if ((*itEngineChannel)->StatusChanged()) {
141 SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_info, (*itEngineChannel)->iSamplerChannelIndex));
142 }
143 }
144 }
145
146 //Now let's deliver late notifies (if any)
147 NotifyBufferMutex.Lock();
148 for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) {
149 #ifdef MSG_NOSIGNAL
150 send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), MSG_NOSIGNAL);
151 #else
152 send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), 0);
153 #endif
154 }
155 bufferedNotifies.clear();
156 NotifyBufferMutex.Unlock();
157
158 fd_set selectSet = fdSet;
159 timeout.tv_sec = 0;
160 timeout.tv_usec = 100000;
161
162 int retval = select(maxSessions+1, &selectSet, NULL, NULL, &timeout);
163
164 if (retval == 0)
165 continue; //Nothing try again
166 if (retval == -1) {
167 std::cerr << "LSCPServer: Socket select error." << std::endl;
168 close(hSocket);
169 exit(EXIT_FAILURE);
170 }
171
172 //Accept new connections now (if any)
173 if (FD_ISSET(hSocket, &selectSet)) {
174 int socket = accept(hSocket, (sockaddr*) &client, (socklen_t*) &length);
175 if (socket < 0) {
176 std::cerr << "LSCPServer: Client connection failed." << std::endl;
177 exit(EXIT_FAILURE);
178 }
179
180 if (fcntl(socket, F_SETFL, O_NONBLOCK)) {
181 std::cerr << "LSCPServer: F_SETFL O_NONBLOCK failed." << std::endl;
182 exit(EXIT_FAILURE);
183 }
184
185 // Parser initialization
186 yyparse_param_t yyparse_param;
187 yyparse_param.pServer = this;
188 yyparse_param.hSession = socket;
189
190 Sessions.push_back(yyparse_param);
191 FD_SET(socket, &fdSet);
192 if (socket > maxSessions)
193 maxSessions = socket;
194 dmsg(1,("LSCPServer: Client connection established on socket:%d.\n", socket));
195 LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_misc, "Client connection established on socket", socket));
196 continue; //Maybe this was the only selected socket, better select again
197 }
198
199 //Something was selected and it was not the hSocket, so it must be some command(s) coming.
200 for (std::vector<yyparse_param_t>::iterator iter = Sessions.begin(); iter != Sessions.end(); iter++) {
201 if (FD_ISSET((*iter).hSession, &selectSet)) { //Was it this socket?
202 if (GetLSCPCommand(iter)) { //Have we read the entire command?
203 dmsg(3,("LSCPServer: Got command on socket %d, calling parser.\n", currentSocket));
204 int dummy; // just a temporary hack to fulfill the restart() function prototype
205 restart(NULL, dummy); // restart the 'scanner'
206 currentSocket = (*iter).hSession; //a hack
207 dmsg(2,("LSCPServer: [%s]\n",bufferedCommands[currentSocket].c_str()));
208 if ((*iter).bVerbose) { // if echo mode enabled
209 AnswerClient(bufferedCommands[currentSocket]);
210 }
211 int result = yyparse(&(*iter));
212 currentSocket = -1; //continuation of a hack
213 dmsg(3,("LSCPServer: Done parsing on socket %d.\n", currentSocket));
214 if (result == LSCP_QUIT) { //Was it a quit command by any chance?
215 CloseConnection(iter);
216 }
217 }
218 //socket may have been closed, iter may be invalid, get out of the loop for now.
219 //we'll be back if there is data.
220 break;
221 }
222 }
223 }
224 }
225
226 void LSCPServer::CloseConnection( std::vector<yyparse_param_t>::iterator iter ) {
227 int socket = (*iter).hSession;
228 dmsg(1,("LSCPServer: Client connection terminated on socket:%d.\n",socket));
229 LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_misc, "Client connection terminated on socket", socket));
230 Sessions.erase(iter);
231 FD_CLR(socket, &fdSet);
232 SubscriptionMutex.Lock(); //Must unsubscribe this socket from all events (if any)
233 for (std::map< LSCPEvent::event_t, std::list<int> >::iterator iter = eventSubscriptions.begin(); iter != eventSubscriptions.end(); iter++) {
234 iter->second.remove(socket);
235 }
236 SubscriptionMutex.Unlock();
237 NotifyMutex.Lock();
238 bufferedCommands.erase(socket);
239 bufferedNotifies.erase(socket);
240 close(socket);
241 NotifyMutex.Unlock();
242 }
243
244 int LSCPServer::EventSubscribers( std::list<LSCPEvent::event_t> events ) {
245 int subs = 0;
246 SubscriptionMutex.Lock();
247 for( std::list<LSCPEvent::event_t>::iterator iter = events.begin();
248 iter != events.end(); iter++)
249 {
250 subs += eventSubscriptions.count(*iter);
251 }
252 SubscriptionMutex.Unlock();
253 return subs;
254 }
255
256 void LSCPServer::SendLSCPNotify( LSCPEvent event ) {
257 SubscriptionMutex.Lock();
258 if (eventSubscriptions.count(event.GetType()) == 0) {
259 SubscriptionMutex.Unlock(); //Nobody is subscribed to this event
260 return;
261 }
262 std::list<int>::iterator iter = eventSubscriptions[event.GetType()].begin();
263 std::list<int>::iterator end = eventSubscriptions[event.GetType()].end();
264 String notify = event.Produce();
265
266 while (true) {
267 if (NotifyMutex.Trylock()) {
268 for(;iter != end; iter++)
269 #ifdef MSG_NOSIGNAL
270 send(*iter, notify.c_str(), notify.size(), MSG_NOSIGNAL);
271 #else
272 send(*iter, notify.c_str(), notify.size(), 0);
273 #endif
274 NotifyMutex.Unlock();
275 break;
276 } else {
277 if (NotifyBufferMutex.Trylock()) {
278 for(;iter != end; iter++)
279 bufferedNotifies[*iter] += notify;
280 NotifyBufferMutex.Unlock();
281 break;
282 }
283 }
284 }
285 SubscriptionMutex.Unlock();
286 }
287
288 extern int GetLSCPCommand( void *buf, int max_size ) {
289 String command = LSCPServer::bufferedCommands[LSCPServer::currentSocket];
290 if (command.size() == 0) { //Parser wants input but we have nothing.
291 strcpy((char*) buf, "\n"); //So give it an empty command
292 return 1; //to keep it happy.
293 }
294
295 if (max_size < command.size()) {
296 std::cerr << "getLSCPCommand: Flex buffer too small, ignoring the command." << std::endl;
297 return 0; //This will never happen
298 }
299
300 strcpy((char*) buf, command.c_str());
301 LSCPServer::bufferedCommands.erase(LSCPServer::currentSocket);
302 return command.size();
303 }
304
305 /**
306 * Will be called to try to read the command from the socket
307 * If command is read, it will return true. Otherwise false is returned.
308 * In any case the received portion (complete or incomplete) is saved into bufferedCommand map.
309 */
310 bool LSCPServer::GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter ) {
311 int socket = (*iter).hSession;
312 char c;
313 int i = 0;
314 while (true) {
315 int result = recv(socket, (void *)&c, 1, 0); //Read one character at a time for now
316 if (result == 0) { //socket was selected, so 0 here means client has closed the connection
317 CloseConnection(iter);
318 break;
319 }
320 if (result == 1) {
321 if (c == '\r')
322 continue; //Ignore CR
323 if (c == '\n') {
324 LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_misc, "Received \'" + bufferedCommands[socket] + "\' on socket", socket));
325 bufferedCommands[socket] += "\r\n";
326 return true; //Complete command was read
327 }
328 bufferedCommands[socket] += c;
329 }
330 if (result == -1) {
331 if (errno == EAGAIN) //Would block, try again later.
332 return false;
333 switch(errno) {
334 case EBADF:
335 dmsg(2,("LSCPScanner: The argument s is an invalid descriptor.\n"));
336 break;
337 case ECONNREFUSED:
338 dmsg(2,("LSCPScanner: A remote host refused to allow the network connection (typically because it is not running the requested service).\n"));
339 break;
340 case ENOTCONN:
341 dmsg(2,("LSCPScanner: The socket is associated with a connection-oriented protocol and has not been connected (see connect(2) and accept(2)).\n"));
342 break;
343 case ENOTSOCK:
344 dmsg(2,("LSCPScanner: The argument s does not refer to a socket.\n"));
345 break;
346 case EAGAIN:
347 dmsg(2,("LSCPScanner: The socket is marked non-blocking and the receive operation would block, or a receive timeout had been set and the timeout expired before data was received.\n"));
348 break;
349 case EINTR:
350 dmsg(2,("LSCPScanner: The receive was interrupted by delivery of a signal before any data were available.\n"));
351 break;
352 case EFAULT:
353 dmsg(2,("LSCPScanner: The receive buffer pointer(s) point outside the process's address space.\n"));
354 break;
355 case EINVAL:
356 dmsg(2,("LSCPScanner: Invalid argument passed.\n"));
357 break;
358 case ENOMEM:
359 dmsg(2,("LSCPScanner: Could not allocate memory for recvmsg.\n"));
360 break;
361 default:
362 dmsg(2,("LSCPScanner: Unknown recv() error.\n"));
363 break;
364 }
365 CloseConnection(iter);
366 break;
367 }
368 }
369 return false;
370 }
371
372 /**
373 * Will be called by the parser whenever it wants to send an answer to the
374 * client / frontend.
375 *
376 * @param ReturnMessage - message that will be send to the client
377 */
378 void LSCPServer::AnswerClient(String ReturnMessage) {
379 dmsg(2,("LSCPServer::AnswerClient(ReturnMessage=%s)", ReturnMessage.c_str()));
380 if (currentSocket != -1) {
381 NotifyMutex.Lock();
382 #ifdef MSG_NOSIGNAL
383 send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), MSG_NOSIGNAL);
384 #else
385 send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), 0);
386 #endif
387 NotifyMutex.Unlock();
388 }
389 }
390
391 /**
392 * Find a created audio output device index.
393 */
394 int LSCPServer::GetAudioOutputDeviceIndex ( AudioOutputDevice *pDevice )
395 {
396 // Search for the created device to get its index
397 std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
398 std::map<uint, AudioOutputDevice*>::iterator iter = devices.begin();
399 for (; iter != devices.end(); iter++) {
400 if (iter->second == pDevice)
401 return iter->first;
402 }
403 // Not found.
404 return -1;
405 }
406
407 /**
408 * Find a created midi input device index.
409 */
410 int LSCPServer::GetMidiInputDeviceIndex ( MidiInputDevice *pDevice )
411 {
412 // Search for the created device to get its index
413 std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
414 std::map<uint, MidiInputDevice*>::iterator iter = devices.begin();
415 for (; iter != devices.end(); iter++) {
416 if (iter->second == pDevice)
417 return iter->first;
418 }
419 // Not found.
420 return -1;
421 }
422
423 String LSCPServer::CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters) {
424 dmsg(2,("LSCPServer: CreateAudioOutputDevice(Driver=%s)\n", Driver.c_str()));
425 LSCPResultSet result;
426 try {
427 AudioOutputDevice* pDevice = pSampler->CreateAudioOutputDevice(Driver, Parameters);
428 // search for the created device to get its index
429 int index = GetAudioOutputDeviceIndex(pDevice);
430 if (index == -1) throw Exception("Internal error: could not find created audio output device.");
431 result = index; // success
432 }
433 catch (Exception e) {
434 result.Error(e);
435 }
436 return result.Produce();
437 }
438
439 String LSCPServer::CreateMidiInputDevice(String Driver, std::map<String,String> Parameters) {
440 dmsg(2,("LSCPServer: CreateMidiInputDevice(Driver=%s)\n", Driver.c_str()));
441 LSCPResultSet result;
442 try {
443 MidiInputDevice* pDevice = pSampler->CreateMidiInputDevice(Driver, Parameters);
444 // search for the created device to get its index
445 int index = GetMidiInputDeviceIndex(pDevice);
446 if (index == -1) throw Exception("Internal error: could not find created midi input device.");
447 result = index; // success
448 }
449 catch (Exception e) {
450 result.Error(e);
451 }
452 return result.Produce();
453 }
454
455 String LSCPServer::DestroyAudioOutputDevice(uint DeviceIndex) {
456 dmsg(2,("LSCPServer: DestroyAudioOutputDevice(DeviceIndex=%d)\n", DeviceIndex));
457 LSCPResultSet result;
458 try {
459 std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
460 if (!devices.count(DeviceIndex)) throw Exception("There is no audio output device with index " + ToString(DeviceIndex) + ".");
461 AudioOutputDevice* pDevice = devices[DeviceIndex];
462 pSampler->DestroyAudioOutputDevice(pDevice);
463 }
464 catch (Exception e) {
465 result.Error(e);
466 }
467 return result.Produce();
468 }
469
470 String LSCPServer::DestroyMidiInputDevice(uint DeviceIndex) {
471 dmsg(2,("LSCPServer: DestroyMidiInputDevice(DeviceIndex=%d)\n", DeviceIndex));
472 LSCPResultSet result;
473 try {
474 std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
475 if (!devices.count(DeviceIndex)) throw Exception("There is no audio output device with index " + ToString(DeviceIndex) + ".");
476 MidiInputDevice* pDevice = devices[DeviceIndex];
477 pSampler->DestroyMidiInputDevice(pDevice);
478 }
479 catch (Exception e) {
480 result.Error(e);
481 }
482 return result.Produce();
483 }
484
485 /**
486 * Will be called by the parser to load an instrument.
487 */
488 String LSCPServer::LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground) {
489 dmsg(2,("LSCPServer: LoadInstrument(Filename=%s,Instrument=%d,SamplerChannel=%d)\n", Filename.c_str(), uiInstrument, uiSamplerChannel));
490 LSCPResultSet result;
491 try {
492 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
493 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
494 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
495 if (!pEngineChannel) throw Exception("No engine type assigned to sampler channel yet");
496 if (!pSamplerChannel->GetAudioOutputDevice())
497 throw Exception("No audio output device connected to sampler channel");
498 if (bBackground) {
499 InstrumentManager::instrument_id_t id;
500 id.FileName = Filename;
501 id.Index = uiInstrument;
502 InstrumentManager::LoadInstrumentInBackground(id, pEngineChannel);
503 }
504 else {
505 // tell the engine channel which instrument to load
506 pEngineChannel->PrepareLoadInstrument(Filename.c_str(), uiInstrument);
507 // actually start to load the instrument (blocks until completed)
508 pEngineChannel->LoadInstrument();
509 }
510 }
511 catch (Exception e) {
512 result.Error(e);
513 }
514 return result.Produce();
515 }
516
517 /**
518 * Will be called by the parser to assign a sampler engine type to a
519 * sampler channel.
520 */
521 String LSCPServer::SetEngineType(String EngineName, uint uiSamplerChannel) {
522 dmsg(2,("LSCPServer: SetEngineType(EngineName=%s,uiSamplerChannel=%d)\n", EngineName.c_str(), uiSamplerChannel));
523 LSCPResultSet result;
524 try {
525 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
526 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
527 LockRTNotify();
528 pSamplerChannel->SetEngineType(EngineName);
529 if(HasSoloChannel()) pSamplerChannel->GetEngineChannel()->SetMute(-1);
530 UnlockRTNotify();
531 }
532 catch (Exception e) {
533 result.Error(e);
534 }
535 return result.Produce();
536 }
537
538 /**
539 * Will be called by the parser to get the amount of sampler channels.
540 */
541 String LSCPServer::GetChannels() {
542 dmsg(2,("LSCPServer: GetChannels()\n"));
543 LSCPResultSet result;
544 result.Add(pSampler->SamplerChannels());
545 return result.Produce();
546 }
547
548 /**
549 * Will be called by the parser to get the list of sampler channels.
550 */
551 String LSCPServer::ListChannels() {
552 dmsg(2,("LSCPServer: ListChannels()\n"));
553 String list;
554 std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
555 std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
556 for (; iter != channels.end(); iter++) {
557 if (list != "") list += ",";
558 list += ToString(iter->first);
559 }
560 LSCPResultSet result;
561 result.Add(list);
562 return result.Produce();
563 }
564
565 /**
566 * Will be called by the parser to add a sampler channel.
567 */
568 String LSCPServer::AddChannel() {
569 dmsg(2,("LSCPServer: AddChannel()\n"));
570 LockRTNotify();
571 SamplerChannel* pSamplerChannel = pSampler->AddSamplerChannel();
572 UnlockRTNotify();
573 LSCPResultSet result(pSamplerChannel->Index());
574 return result.Produce();
575 }
576
577 /**
578 * Will be called by the parser to remove a sampler channel.
579 */
580 String LSCPServer::RemoveChannel(uint uiSamplerChannel) {
581 dmsg(2,("LSCPServer: RemoveChannel(SamplerChannel=%d)\n", uiSamplerChannel));
582 LSCPResultSet result;
583 LockRTNotify();
584 pSampler->RemoveSamplerChannel(uiSamplerChannel);
585 UnlockRTNotify();
586 return result.Produce();
587 }
588
589 /**
590 * Will be called by the parser to get the amount of all available engines.
591 */
592 String LSCPServer::GetAvailableEngines() {
593 dmsg(2,("LSCPServer: GetAvailableEngines()\n"));
594 LSCPResultSet result;
595 try {
596 int n = EngineFactory::AvailableEngineTypes().size();
597 result.Add(n);
598 }
599 catch (Exception e) {
600 result.Error(e);
601 }
602 return result.Produce();
603 }
604
605 /**
606 * Will be called by the parser to get a list of all available engines.
607 */
608 String LSCPServer::ListAvailableEngines() {
609 dmsg(2,("LSCPServer: ListAvailableEngines()\n"));
610 LSCPResultSet result;
611 try {
612 String s = EngineFactory::AvailableEngineTypesAsString();
613 result.Add(s);
614 }
615 catch (Exception e) {
616 result.Error(e);
617 }
618 return result.Produce();
619 }
620
621 /**
622 * Will be called by the parser to get descriptions for a particular
623 * sampler engine.
624 */
625 String LSCPServer::GetEngineInfo(String EngineName) {
626 dmsg(2,("LSCPServer: GetEngineInfo(EngineName=%s)\n", EngineName.c_str()));
627 LSCPResultSet result;
628 LockRTNotify();
629 try {
630 Engine* pEngine = EngineFactory::Create(EngineName);
631 result.Add("DESCRIPTION", pEngine->Description());
632 result.Add("VERSION", pEngine->Version());
633 EngineFactory::Destroy(pEngine);
634 }
635 catch (Exception e) {
636 result.Error(e);
637 }
638 UnlockRTNotify();
639 return result.Produce();
640 }
641
642 /**
643 * Will be called by the parser to get informations about a particular
644 * sampler channel.
645 */
646 String LSCPServer::GetChannelInfo(uint uiSamplerChannel) {
647 dmsg(2,("LSCPServer: GetChannelInfo(SamplerChannel=%d)\n", uiSamplerChannel));
648 LSCPResultSet result;
649 try {
650 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
651 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
652 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
653
654 //Defaults values
655 String EngineName = "NONE";
656 float Volume = 0.0f;
657 String InstrumentFileName = "NONE";
658 String InstrumentName = "NONE";
659 int InstrumentIndex = -1;
660 int InstrumentStatus = -1;
661 int AudioOutputChannels = 0;
662 String AudioRouting;
663 int Mute = 0;
664 bool Solo = false;
665
666 if (pEngineChannel) {
667 EngineName = pEngineChannel->EngineName();
668 AudioOutputChannels = pEngineChannel->Channels();
669 Volume = pEngineChannel->Volume();
670 InstrumentStatus = pEngineChannel->InstrumentStatus();
671 InstrumentIndex = pEngineChannel->InstrumentIndex();
672 if (InstrumentIndex != -1) {
673 InstrumentFileName = pEngineChannel->InstrumentFileName();
674 InstrumentName = pEngineChannel->InstrumentName();
675 }
676 for (int chan = 0; chan < pEngineChannel->Channels(); chan++) {
677 if (AudioRouting != "") AudioRouting += ",";
678 AudioRouting += ToString(pEngineChannel->OutputChannel(chan));
679 }
680 Mute = pEngineChannel->GetMute();
681 Solo = pEngineChannel->GetSolo();
682 }
683
684 result.Add("ENGINE_NAME", EngineName);
685 result.Add("VOLUME", Volume);
686
687 //Some not-so-hardcoded stuff to make GUI look good
688 result.Add("AUDIO_OUTPUT_DEVICE", GetAudioOutputDeviceIndex(pSamplerChannel->GetAudioOutputDevice()));
689 result.Add("AUDIO_OUTPUT_CHANNELS", AudioOutputChannels);
690 result.Add("AUDIO_OUTPUT_ROUTING", AudioRouting);
691
692 result.Add("MIDI_INPUT_DEVICE", GetMidiInputDeviceIndex(pSamplerChannel->GetMidiInputDevice()));
693 result.Add("MIDI_INPUT_PORT", pSamplerChannel->GetMidiInputPort());
694 if (pSamplerChannel->GetMidiInputChannel() == midi_chan_all) result.Add("MIDI_INPUT_CHANNEL", "ALL");
695 else result.Add("MIDI_INPUT_CHANNEL", pSamplerChannel->GetMidiInputChannel());
696
697 result.Add("INSTRUMENT_FILE", InstrumentFileName);
698 result.Add("INSTRUMENT_NR", InstrumentIndex);
699 result.Add("INSTRUMENT_NAME", InstrumentName);
700 result.Add("INSTRUMENT_STATUS", InstrumentStatus);
701 result.Add("MUTE", Mute == -1 ? "MUTED_BY_SOLO" : (Mute ? "true" : "false"));
702 result.Add("SOLO", Solo);
703 }
704 catch (Exception e) {
705 result.Error(e);
706 }
707 return result.Produce();
708 }
709
710 /**
711 * Will be called by the parser to get the amount of active voices on a
712 * particular sampler channel.
713 */
714 String LSCPServer::GetVoiceCount(uint uiSamplerChannel) {
715 dmsg(2,("LSCPServer: GetVoiceCount(SamplerChannel=%d)\n", uiSamplerChannel));
716 LSCPResultSet result;
717 try {
718 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
719 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
720 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
721 if (!pEngineChannel) throw Exception("No engine loaded on sampler channel");
722 if (!pEngineChannel->GetEngine()) throw Exception("No audio output device connected to sampler channel");
723 result.Add(pEngineChannel->GetEngine()->VoiceCount());
724 }
725 catch (Exception e) {
726 result.Error(e);
727 }
728 return result.Produce();
729 }
730
731 /**
732 * Will be called by the parser to get the amount of active disk streams on a
733 * particular sampler channel.
734 */
735 String LSCPServer::GetStreamCount(uint uiSamplerChannel) {
736 dmsg(2,("LSCPServer: GetStreamCount(SamplerChannel=%d)\n", uiSamplerChannel));
737 LSCPResultSet result;
738 try {
739 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
740 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
741 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
742 if (!pEngineChannel) throw Exception("No engine type assigned to sampler channel");
743 if (!pEngineChannel->GetEngine()) throw Exception("No audio output device connected to sampler channel");
744 result.Add(pEngineChannel->GetEngine()->DiskStreamCount());
745 }
746 catch (Exception e) {
747 result.Error(e);
748 }
749 return result.Produce();
750 }
751
752 /**
753 * Will be called by the parser to get the buffer fill states of all disk
754 * streams on a particular sampler channel.
755 */
756 String LSCPServer::GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel) {
757 dmsg(2,("LSCPServer: GetBufferFill(ResponseType=%d, SamplerChannel=%d)\n", ResponseType, uiSamplerChannel));
758 LSCPResultSet result;
759 try {
760 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
761 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
762 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
763 if (!pEngineChannel) throw Exception("No engine type assigned to sampler channel");
764 if (!pEngineChannel->GetEngine()) throw Exception("No audio output device connected to sampler channel");
765 if (!pEngineChannel->GetEngine()->DiskStreamSupported()) result.Add("NA");
766 else {
767 switch (ResponseType) {
768 case fill_response_bytes:
769 result.Add(pEngineChannel->GetEngine()->DiskStreamBufferFillBytes());
770 break;
771 case fill_response_percentage:
772 result.Add(pEngineChannel->GetEngine()->DiskStreamBufferFillPercentage());
773 break;
774 default:
775 throw Exception("Unknown fill response type");
776 }
777 }
778 }
779 catch (Exception e) {
780 result.Error(e);
781 }
782 return result.Produce();
783 }
784
785 String LSCPServer::GetAvailableAudioOutputDrivers() {
786 dmsg(2,("LSCPServer: GetAvailableAudioOutputDrivers()\n"));
787 LSCPResultSet result;
788 try {
789 int n = AudioOutputDeviceFactory::AvailableDrivers().size();
790 result.Add(n);
791 }
792 catch (Exception e) {
793 result.Error(e);
794 }
795 return result.Produce();
796 }
797
798 String LSCPServer::ListAvailableAudioOutputDrivers() {
799 dmsg(2,("LSCPServer: ListAvailableAudioOutputDrivers()\n"));
800 LSCPResultSet result;
801 try {
802 String s = AudioOutputDeviceFactory::AvailableDriversAsString();
803 result.Add(s);
804 }
805 catch (Exception e) {
806 result.Error(e);
807 }
808 return result.Produce();
809 }
810
811 String LSCPServer::GetAvailableMidiInputDrivers() {
812 dmsg(2,("LSCPServer: GetAvailableMidiInputDrivers()\n"));
813 LSCPResultSet result;
814 try {
815 int n = MidiInputDeviceFactory::AvailableDrivers().size();
816 result.Add(n);
817 }
818 catch (Exception e) {
819 result.Error(e);
820 }
821 return result.Produce();
822 }
823
824 String LSCPServer::ListAvailableMidiInputDrivers() {
825 dmsg(2,("LSCPServer: ListAvailableMidiInputDrivers()\n"));
826 LSCPResultSet result;
827 try {
828 String s = MidiInputDeviceFactory::AvailableDriversAsString();
829 result.Add(s);
830 }
831 catch (Exception e) {
832 result.Error(e);
833 }
834 return result.Produce();
835 }
836
837 String LSCPServer::GetMidiInputDriverInfo(String Driver) {
838 dmsg(2,("LSCPServer: GetMidiInputDriverInfo(Driver=%s)\n",Driver.c_str()));
839 LSCPResultSet result;
840 try {
841 result.Add("DESCRIPTION", MidiInputDeviceFactory::GetDriverDescription(Driver));
842 result.Add("VERSION", MidiInputDeviceFactory::GetDriverVersion(Driver));
843
844 std::map<String,DeviceCreationParameter*> parameters = MidiInputDeviceFactory::GetAvailableDriverParameters(Driver);
845 if (parameters.size()) { // if there are parameters defined for this driver
846 String s;
847 std::map<String,DeviceCreationParameter*>::iterator iter = parameters.begin();
848 for (;iter != parameters.end(); iter++) {
849 if (s != "") s += ",";
850 s += iter->first;
851 }
852 result.Add("PARAMETERS", s);
853 }
854 }
855 catch (Exception e) {
856 result.Error(e);
857 }
858 return result.Produce();
859 }
860
861 String LSCPServer::GetAudioOutputDriverInfo(String Driver) {
862 dmsg(2,("LSCPServer: GetAudioOutputDriverInfo(Driver=%s)\n",Driver.c_str()));
863 LSCPResultSet result;
864 try {
865 result.Add("DESCRIPTION", AudioOutputDeviceFactory::GetDriverDescription(Driver));
866 result.Add("VERSION", AudioOutputDeviceFactory::GetDriverVersion(Driver));
867
868 std::map<String,DeviceCreationParameter*> parameters = AudioOutputDeviceFactory::GetAvailableDriverParameters(Driver);
869 if (parameters.size()) { // if there are parameters defined for this driver
870 String s;
871 std::map<String,DeviceCreationParameter*>::iterator iter = parameters.begin();
872 for (;iter != parameters.end(); iter++) {
873 if (s != "") s += ",";
874 s += iter->first;
875 }
876 result.Add("PARAMETERS", s);
877 }
878 }
879 catch (Exception e) {
880 result.Error(e);
881 }
882 return result.Produce();
883 }
884
885 String LSCPServer::GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList) {
886 dmsg(2,("LSCPServer: GetMidiInputDriverParameterInfo(Driver=%s,Parameter=%s,DependencyListSize=%d)\n",Driver.c_str(),Parameter.c_str(),DependencyList.size()));
887 LSCPResultSet result;
888 try {
889 DeviceCreationParameter* pParameter = MidiInputDeviceFactory::GetDriverParameter(Driver, Parameter);
890 result.Add("TYPE", pParameter->Type());
891 result.Add("DESCRIPTION", pParameter->Description());
892 result.Add("MANDATORY", pParameter->Mandatory());
893 result.Add("FIX", pParameter->Fix());
894 result.Add("MULTIPLICITY", pParameter->Multiplicity());
895 optional<String> oDepends = pParameter->Depends();
896 optional<String> oDefault = pParameter->Default(DependencyList);
897 optional<String> oRangeMin = pParameter->RangeMin(DependencyList);
898 optional<String> oRangeMax = pParameter->RangeMax(DependencyList);
899 optional<String> oPossibilities = pParameter->Possibilities(DependencyList);
900 if (oDepends) result.Add("DEPENDS", *oDepends);
901 if (oDefault) result.Add("DEFAULT", *oDefault);
902 if (oRangeMin) result.Add("RANGE_MIN", *oRangeMin);
903 if (oRangeMax) result.Add("RANGE_MAX", *oRangeMax);
904 if (oPossibilities) result.Add("POSSIBILITIES", *oPossibilities);
905 }
906 catch (Exception e) {
907 result.Error(e);
908 }
909 return result.Produce();
910 }
911
912 String LSCPServer::GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList) {
913 dmsg(2,("LSCPServer: GetAudioOutputDriverParameterInfo(Driver=%s,Parameter=%s,DependencyListSize=%d)\n",Driver.c_str(),Parameter.c_str(),DependencyList.size()));
914 LSCPResultSet result;
915 try {
916 DeviceCreationParameter* pParameter = AudioOutputDeviceFactory::GetDriverParameter(Driver, Parameter);
917 result.Add("TYPE", pParameter->Type());
918 result.Add("DESCRIPTION", pParameter->Description());
919 result.Add("MANDATORY", pParameter->Mandatory());
920 result.Add("FIX", pParameter->Fix());
921 result.Add("MULTIPLICITY", pParameter->Multiplicity());
922 optional<String> oDepends = pParameter->Depends();
923 optional<String> oDefault = pParameter->Default(DependencyList);
924 optional<String> oRangeMin = pParameter->RangeMin(DependencyList);
925 optional<String> oRangeMax = pParameter->RangeMax(DependencyList);
926 optional<String> oPossibilities = pParameter->Possibilities(DependencyList);
927 if (oDepends) result.Add("DEPENDS", *oDepends);
928 if (oDefault) result.Add("DEFAULT", *oDefault);
929 if (oRangeMin) result.Add("RANGE_MIN", *oRangeMin);
930 if (oRangeMax) result.Add("RANGE_MAX", *oRangeMax);
931 if (oPossibilities) result.Add("POSSIBILITIES", *oPossibilities);
932 }
933 catch (Exception e) {
934 result.Error(e);
935 }
936 return result.Produce();
937 }
938
939 String LSCPServer::GetAudioOutputDeviceCount() {
940 dmsg(2,("LSCPServer: GetAudioOutputDeviceCount()\n"));
941 LSCPResultSet result;
942 try {
943 uint count = pSampler->AudioOutputDevices();
944 result.Add(count); // success
945 }
946 catch (Exception e) {
947 result.Error(e);
948 }
949 return result.Produce();
950 }
951
952 String LSCPServer::GetMidiInputDeviceCount() {
953 dmsg(2,("LSCPServer: GetMidiInputDeviceCount()\n"));
954 LSCPResultSet result;
955 try {
956 uint count = pSampler->MidiInputDevices();
957 result.Add(count); // success
958 }
959 catch (Exception e) {
960 result.Error(e);
961 }
962 return result.Produce();
963 }
964
965 String LSCPServer::GetAudioOutputDevices() {
966 dmsg(2,("LSCPServer: GetAudioOutputDevices()\n"));
967 LSCPResultSet result;
968 try {
969 String s;
970 std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
971 std::map<uint, AudioOutputDevice*>::iterator iter = devices.begin();
972 for (; iter != devices.end(); iter++) {
973 if (s != "") s += ",";
974 s += ToString(iter->first);
975 }
976 result.Add(s);
977 }
978 catch (Exception e) {
979 result.Error(e);
980 }
981 return result.Produce();
982 }
983
984 String LSCPServer::GetMidiInputDevices() {
985 dmsg(2,("LSCPServer: GetMidiInputDevices()\n"));
986 LSCPResultSet result;
987 try {
988 String s;
989 std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
990 std::map<uint, MidiInputDevice*>::iterator iter = devices.begin();
991 for (; iter != devices.end(); iter++) {
992 if (s != "") s += ",";
993 s += ToString(iter->first);
994 }
995 result.Add(s);
996 }
997 catch (Exception e) {
998 result.Error(e);
999 }
1000 return result.Produce();
1001 }
1002
1003 String LSCPServer::GetAudioOutputDeviceInfo(uint DeviceIndex) {
1004 dmsg(2,("LSCPServer: GetAudioOutputDeviceInfo(DeviceIndex=%d)\n",DeviceIndex));
1005 LSCPResultSet result;
1006 try {
1007 std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
1008 if (!devices.count(DeviceIndex)) throw Exception("There is no audio output device with index " + ToString(DeviceIndex) + ".");
1009 AudioOutputDevice* pDevice = devices[DeviceIndex];
1010 result.Add("DRIVER", pDevice->Driver());
1011 std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();
1012 std::map<String,DeviceCreationParameter*>::iterator iter = parameters.begin();
1013 for (; iter != parameters.end(); iter++) {
1014 result.Add(iter->first, iter->second->Value());
1015 }
1016 }
1017 catch (Exception e) {
1018 result.Error(e);
1019 }
1020 return result.Produce();
1021 }
1022
1023 String LSCPServer::GetMidiInputDeviceInfo(uint DeviceIndex) {
1024 dmsg(2,("LSCPServer: GetMidiInputDeviceInfo(DeviceIndex=%d)\n",DeviceIndex));
1025 LSCPResultSet result;
1026 try {
1027 std::map<uint,MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
1028 if (!devices.count(DeviceIndex)) throw Exception("There is no MIDI input device with index " + ToString(DeviceIndex) + ".");
1029 MidiInputDevice* pDevice = devices[DeviceIndex];
1030 result.Add("DRIVER", pDevice->Driver());
1031 std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();
1032 std::map<String,DeviceCreationParameter*>::iterator iter = parameters.begin();
1033 for (; iter != parameters.end(); iter++) {
1034 result.Add(iter->first, iter->second->Value());
1035 }
1036 }
1037 catch (Exception e) {
1038 result.Error(e);
1039 }
1040 return result.Produce();
1041 }
1042 String LSCPServer::GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex) {
1043 dmsg(2,("LSCPServer: GetMidiInputPortInfo(DeviceIndex=%d, PortIndex=%d)\n",DeviceIndex, PortIndex));
1044 LSCPResultSet result;
1045 try {
1046 // get MIDI input device
1047 std::map<uint,MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
1048 if (!devices.count(DeviceIndex)) throw Exception("There is no MIDI input device with index " + ToString(DeviceIndex) + ".");
1049 MidiInputDevice* pDevice = devices[DeviceIndex];
1050
1051 // get MIDI port
1052 MidiInputPort* pMidiInputPort = pDevice->GetPort(PortIndex);
1053 if (!pMidiInputPort) throw Exception("There is no MIDI input port with index " + ToString(PortIndex) + ".");
1054
1055 // return the values of all MIDI port parameters
1056 std::map<String,DeviceRuntimeParameter*> parameters = pMidiInputPort->PortParameters();
1057 std::map<String,DeviceRuntimeParameter*>::iterator iter = parameters.begin();
1058 for (; iter != parameters.end(); iter++) {
1059 result.Add(iter->first, iter->second->Value());
1060 }
1061 }
1062 catch (Exception e) {
1063 result.Error(e);
1064 }
1065 return result.Produce();
1066 }
1067
1068 String LSCPServer::GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId) {
1069 dmsg(2,("LSCPServer: GetAudioOutputChannelInfo(DeviceId=%d,ChannelId)\n",DeviceId,ChannelId));
1070 LSCPResultSet result;
1071 try {
1072 // get audio output device
1073 std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
1074 if (!devices.count(DeviceId)) throw Exception("There is no audio output device with index " + ToString(DeviceId) + ".");
1075 AudioOutputDevice* pDevice = devices[DeviceId];
1076
1077 // get audio channel
1078 AudioChannel* pChannel = pDevice->Channel(ChannelId);
1079 if (!pChannel) throw Exception("Audio output device does not have audio channel " + ToString(ChannelId) + ".");
1080
1081 // return the values of all audio channel parameters
1082 std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters();
1083 std::map<String,DeviceRuntimeParameter*>::iterator iter = parameters.begin();
1084 for (; iter != parameters.end(); iter++) {
1085 result.Add(iter->first, iter->second->Value());
1086 }
1087 }
1088 catch (Exception e) {
1089 result.Error(e);
1090 }
1091 return result.Produce();
1092 }
1093
1094 String LSCPServer::GetMidiInputPortParameterInfo(uint DeviceId, uint PortId, String ParameterName) {
1095 dmsg(2,("LSCPServer: GetMidiInputPortParameterInfo(DeviceId=%d,PortId=%d,ParameterName=%s)\n",DeviceId,PortId,ParameterName.c_str()));
1096 LSCPResultSet result;
1097 try {
1098 // get MIDI input device
1099 std::map<uint,MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
1100 if (!devices.count(DeviceId)) throw Exception("There is no midi input device with index " + ToString(DeviceId) + ".");
1101 MidiInputDevice* pDevice = devices[DeviceId];
1102
1103 // get midi port
1104 MidiInputPort* pPort = pDevice->GetPort(PortId);
1105 if (!pPort) throw Exception("Midi input device does not have port " + ToString(PortId) + ".");
1106
1107 // get desired port parameter
1108 std::map<String,DeviceRuntimeParameter*> parameters = pPort->PortParameters();
1109 if (!parameters.count(ParameterName)) throw Exception("Midi port does not provide a parameter '" + ParameterName + "'.");
1110 DeviceRuntimeParameter* pParameter = parameters[ParameterName];
1111
1112 // return all fields of this audio channel parameter
1113 result.Add("TYPE", pParameter->Type());
1114 result.Add("DESCRIPTION", pParameter->Description());
1115 result.Add("FIX", pParameter->Fix());
1116 result.Add("MULTIPLICITY", pParameter->Multiplicity());
1117 if (pParameter->RangeMin()) result.Add("RANGE_MIN", *pParameter->RangeMin());
1118 if (pParameter->RangeMax()) result.Add("RANGE_MAX", *pParameter->RangeMax());
1119 if (pParameter->Possibilities()) result.Add("POSSIBILITIES", *pParameter->Possibilities());
1120 }
1121 catch (Exception e) {
1122 result.Error(e);
1123 }
1124 return result.Produce();
1125 }
1126
1127 String LSCPServer::GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName) {
1128 dmsg(2,("LSCPServer: GetAudioOutputChannelParameterInfo(DeviceId=%d,ChannelId=%d,ParameterName=%s)\n",DeviceId,ChannelId,ParameterName.c_str()));
1129 LSCPResultSet result;
1130 try {
1131 // get audio output device
1132 std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
1133 if (!devices.count(DeviceId)) throw Exception("There is no audio output device with index " + ToString(DeviceId) + ".");
1134 AudioOutputDevice* pDevice = devices[DeviceId];
1135
1136 // get audio channel
1137 AudioChannel* pChannel = pDevice->Channel(ChannelId);
1138 if (!pChannel) throw Exception("Audio output device does not have audio channel " + ToString(ChannelId) + ".");
1139
1140 // get desired audio channel parameter
1141 std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters();
1142 if (!parameters.count(ParameterName)) throw Exception("Audio channel does not provide a parameter '" + ParameterName + "'.");
1143 DeviceRuntimeParameter* pParameter = parameters[ParameterName];
1144
1145 // return all fields of this audio channel parameter
1146 result.Add("TYPE", pParameter->Type());
1147 result.Add("DESCRIPTION", pParameter->Description());
1148 result.Add("FIX", pParameter->Fix());
1149 result.Add("MULTIPLICITY", pParameter->Multiplicity());
1150 if (pParameter->RangeMin()) result.Add("RANGE_MIN", *pParameter->RangeMin());
1151 if (pParameter->RangeMax()) result.Add("RANGE_MAX", *pParameter->RangeMax());
1152 if (pParameter->Possibilities()) result.Add("POSSIBILITIES", *pParameter->Possibilities());
1153 }
1154 catch (Exception e) {
1155 result.Error(e);
1156 }
1157 return result.Produce();
1158 }
1159
1160 String LSCPServer::SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal) {
1161 dmsg(2,("LSCPServer: SetAudioOutputChannelParameter(DeviceId=%d,ChannelId=%d,ParamKey=%s,ParamVal=%s)\n",DeviceId,ChannelId,ParamKey.c_str(),ParamVal.c_str()));
1162 LSCPResultSet result;
1163 try {
1164 // get audio output device
1165 std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
1166 if (!devices.count(DeviceId)) throw Exception("There is no audio output device with index " + ToString(DeviceId) + ".");
1167 AudioOutputDevice* pDevice = devices[DeviceId];
1168
1169 // get audio channel
1170 AudioChannel* pChannel = pDevice->Channel(ChannelId);
1171 if (!pChannel) throw Exception("Audio output device does not have audio channel " + ToString(ChannelId) + ".");
1172
1173 // get desired audio channel parameter
1174 std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters();
1175 if (!parameters.count(ParamKey)) throw Exception("Audio channel does not provide a parameter '" + ParamKey + "'.");
1176 DeviceRuntimeParameter* pParameter = parameters[ParamKey];
1177
1178 // set new channel parameter value
1179 pParameter->SetValue(ParamVal);
1180 }
1181 catch (Exception e) {
1182 result.Error(e);
1183 }
1184 return result.Produce();
1185 }
1186
1187 String LSCPServer::SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal) {
1188 dmsg(2,("LSCPServer: SetAudioOutputDeviceParameter(DeviceIndex=%d,ParamKey=%s,ParamVal=%s)\n",DeviceIndex,ParamKey.c_str(),ParamVal.c_str()));
1189 LSCPResultSet result;
1190 try {
1191 std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
1192 if (!devices.count(DeviceIndex)) throw Exception("There is no audio output device with index " + ToString(DeviceIndex) + ".");
1193 AudioOutputDevice* pDevice = devices[DeviceIndex];
1194 std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();
1195 if (!parameters.count(ParamKey)) throw Exception("Audio output device " + ToString(DeviceIndex) + " does not have a device parameter '" + ParamKey + "'");
1196 parameters[ParamKey]->SetValue(ParamVal);
1197 }
1198 catch (Exception e) {
1199 result.Error(e);
1200 }
1201 return result.Produce();
1202 }
1203
1204 String LSCPServer::SetMidiInputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal) {
1205 dmsg(2,("LSCPServer: SetMidiOutputDeviceParameter(DeviceIndex=%d,ParamKey=%s,ParamVal=%s)\n",DeviceIndex,ParamKey.c_str(),ParamVal.c_str()));
1206 LSCPResultSet result;
1207 try {
1208 std::map<uint,MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
1209 if (!devices.count(DeviceIndex)) throw Exception("There is no MIDI input device with index " + ToString(DeviceIndex) + ".");
1210 MidiInputDevice* pDevice = devices[DeviceIndex];
1211 std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();
1212 if (!parameters.count(ParamKey)) throw Exception("MIDI input device " + ToString(DeviceIndex) + " does not have a device parameter '" + ParamKey + "'");
1213 parameters[ParamKey]->SetValue(ParamVal);
1214 }
1215 catch (Exception e) {
1216 result.Error(e);
1217 }
1218 return result.Produce();
1219 }
1220
1221 String LSCPServer::SetMidiInputPortParameter(uint DeviceIndex, uint PortIndex, String ParamKey, String ParamVal) {
1222 dmsg(2,("LSCPServer: SetMidiOutputDeviceParameter(DeviceIndex=%d,ParamKey=%s,ParamVal=%s)\n",DeviceIndex,ParamKey.c_str(),ParamVal.c_str()));
1223 LSCPResultSet result;
1224 try {
1225 // get MIDI input device
1226 std::map<uint,MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
1227 if (!devices.count(DeviceIndex)) throw Exception("There is no MIDI input device with index " + ToString(DeviceIndex) + ".");
1228 MidiInputDevice* pDevice = devices[DeviceIndex];
1229
1230 // get MIDI port
1231 MidiInputPort* pMidiInputPort = pDevice->GetPort(PortIndex);
1232 if (!pMidiInputPort) throw Exception("There is no MIDI input port with index " + ToString(PortIndex) + ".");
1233
1234 // set port parameter value
1235 std::map<String,DeviceRuntimeParameter*> parameters = pMidiInputPort->PortParameters();
1236 if (!parameters.count(ParamKey)) throw Exception("MIDI input device " + ToString(PortIndex) + " does not have a parameter '" + ParamKey + "'");
1237 parameters[ParamKey]->SetValue(ParamVal);
1238 }
1239 catch (Exception e) {
1240 result.Error(e);
1241 }
1242 return result.Produce();
1243 }
1244
1245 /**
1246 * Will be called by the parser to change the audio output channel for
1247 * playback on a particular sampler channel.
1248 */
1249 String LSCPServer::SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel) {
1250 dmsg(2,("LSCPServer: SetAudioOutputChannel(ChannelAudioOutputChannel=%d, AudioOutputDeviceInputChannel=%d, SamplerChannel=%d)\n",ChannelAudioOutputChannel,AudioOutputDeviceInputChannel,uiSamplerChannel));
1251 LSCPResultSet result;
1252 try {
1253 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1254 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1255 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1256 if (!pEngineChannel) throw Exception("No engine type yet assigned to sampler channel " + ToString(uiSamplerChannel));
1257 if (!pSamplerChannel->GetAudioOutputDevice()) throw Exception("No audio output device connected to sampler channel " + ToString(uiSamplerChannel));
1258 pEngineChannel->SetOutputChannel(ChannelAudioOutputChannel, AudioOutputDeviceInputChannel);
1259 }
1260 catch (Exception e) {
1261 result.Error(e);
1262 }
1263 return result.Produce();
1264 }
1265
1266 String LSCPServer::SetAudioOutputDevice(uint AudioDeviceId, uint uiSamplerChannel) {
1267 dmsg(2,("LSCPServer: SetAudiotOutputDevice(AudioDeviceId=%d, SamplerChannel=%d)\n",AudioDeviceId,uiSamplerChannel));
1268 LSCPResultSet result;
1269 LockRTNotify();
1270 try {
1271 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1272 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1273 std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
1274 if (!devices.count(AudioDeviceId)) throw Exception("There is no audio output device with index " + ToString(AudioDeviceId));
1275 AudioOutputDevice* pDevice = devices[AudioDeviceId];
1276 pSamplerChannel->SetAudioOutputDevice(pDevice);
1277 }
1278 catch (Exception e) {
1279 result.Error(e);
1280 }
1281 UnlockRTNotify();
1282 return result.Produce();
1283 }
1284
1285 String LSCPServer::SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel) {
1286 dmsg(2,("LSCPServer: SetAudioOutputType(String AudioOutputDriver=%s, SamplerChannel=%d)\n",AudioOutputDriver.c_str(),uiSamplerChannel));
1287 LSCPResultSet result;
1288 LockRTNotify();
1289 try {
1290 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1291 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1292 // Driver type name aliasing...
1293 if (AudioOutputDriver == "Alsa") AudioOutputDriver = "ALSA";
1294 if (AudioOutputDriver == "Jack") AudioOutputDriver = "JACK";
1295 // Check if there's one audio output device already created
1296 // for the intended audio driver type (AudioOutputDriver)...
1297 AudioOutputDevice *pDevice = NULL;
1298 std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
1299 std::map<uint, AudioOutputDevice*>::iterator iter = devices.begin();
1300 for (; iter != devices.end(); iter++) {
1301 if ((iter->second)->Driver() == AudioOutputDriver) {
1302 pDevice = iter->second;
1303 break;
1304 }
1305 }
1306 // If it doesn't exist, create a new one with default parameters...
1307 if (pDevice == NULL) {
1308 std::map<String,String> params;
1309 pDevice = pSampler->CreateAudioOutputDevice(AudioOutputDriver, params);
1310 }
1311 // Must have a device...
1312 if (pDevice == NULL)
1313 throw Exception("Internal error: could not create audio output device.");
1314 // Set it as the current channel device...
1315 pSamplerChannel->SetAudioOutputDevice(pDevice);
1316 }
1317 catch (Exception e) {
1318 result.Error(e);
1319 }
1320 UnlockRTNotify();
1321 return result.Produce();
1322 }
1323
1324 String LSCPServer::SetMIDIInputPort(uint MIDIPort, uint uiSamplerChannel) {
1325 dmsg(2,("LSCPServer: SetMIDIInputPort(MIDIPort=%d, SamplerChannel=%d)\n",MIDIPort,uiSamplerChannel));
1326 LSCPResultSet result;
1327 try {
1328 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1329 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1330 pSamplerChannel->SetMidiInputPort(MIDIPort);
1331 }
1332 catch (Exception e) {
1333 result.Error(e);
1334 }
1335 return result.Produce();
1336 }
1337
1338 String LSCPServer::SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel) {
1339 dmsg(2,("LSCPServer: SetMIDIInputChannel(MIDIChannel=%d, SamplerChannel=%d)\n",MIDIChannel,uiSamplerChannel));
1340 LSCPResultSet result;
1341 try {
1342 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1343 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1344 pSamplerChannel->SetMidiInputChannel((midi_chan_t) MIDIChannel);
1345 }
1346 catch (Exception e) {
1347 result.Error(e);
1348 }
1349 return result.Produce();
1350 }
1351
1352 String LSCPServer::SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel) {
1353 dmsg(2,("LSCPServer: SetMIDIInputDevice(MIDIDeviceId=%d, SamplerChannel=%d)\n",MIDIDeviceId,uiSamplerChannel));
1354 LSCPResultSet result;
1355 try {
1356 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1357 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1358 std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
1359 if (!devices.count(MIDIDeviceId)) throw Exception("There is no MIDI input device with index " + ToString(MIDIDeviceId));
1360 MidiInputDevice* pDevice = devices[MIDIDeviceId];
1361 pSamplerChannel->SetMidiInputDevice(pDevice);
1362 }
1363 catch (Exception e) {
1364 result.Error(e);
1365 }
1366 return result.Produce();
1367 }
1368
1369 String LSCPServer::SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel) {
1370 dmsg(2,("LSCPServer: SetMIDIInputType(String MidiInputDriver=%s, SamplerChannel=%d)\n",MidiInputDriver.c_str(),uiSamplerChannel));
1371 LSCPResultSet result;
1372 try {
1373 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1374 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1375 // Driver type name aliasing...
1376 if (MidiInputDriver == "Alsa") MidiInputDriver = "ALSA";
1377 // Check if there's one MIDI input device already created
1378 // for the intended MIDI driver type (MidiInputDriver)...
1379 MidiInputDevice *pDevice = NULL;
1380 std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
1381 std::map<uint, MidiInputDevice*>::iterator iter = devices.begin();
1382 for (; iter != devices.end(); iter++) {
1383 if ((iter->second)->Driver() == MidiInputDriver) {
1384 pDevice = iter->second;
1385 break;
1386 }
1387 }
1388 // If it doesn't exist, create a new one with default parameters...
1389 if (pDevice == NULL) {
1390 std::map<String,String> params;
1391 pDevice = pSampler->CreateMidiInputDevice(MidiInputDriver, params);
1392 // Make it with at least one initial port.
1393 std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();
1394 parameters["PORTS"]->SetValue("1");
1395 }
1396 // Must have a device...
1397 if (pDevice == NULL)
1398 throw Exception("Internal error: could not create MIDI input device.");
1399 // Set it as the current channel device...
1400 pSamplerChannel->SetMidiInputDevice(pDevice);
1401 }
1402 catch (Exception e) {
1403 result.Error(e);
1404 }
1405 return result.Produce();
1406 }
1407
1408 /**
1409 * Will be called by the parser to change the MIDI input device, port and channel on which
1410 * engine of a particular sampler channel should listen to.
1411 */
1412 String LSCPServer::SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel) {
1413 dmsg(2,("LSCPServer: SetMIDIInput(MIDIDeviceId=%d, MIDIPort=%d, MIDIChannel=%d, SamplerChannel=%d)\n", MIDIDeviceId, MIDIPort, MIDIChannel, uiSamplerChannel));
1414 LSCPResultSet result;
1415 try {
1416 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1417 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1418 std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
1419 if (!devices.count(MIDIDeviceId)) throw Exception("There is no MIDI input device with index " + ToString(MIDIDeviceId));
1420 MidiInputDevice* pDevice = devices[MIDIDeviceId];
1421 pSamplerChannel->SetMidiInput(pDevice, MIDIPort, (midi_chan_t) MIDIChannel);
1422 }
1423 catch (Exception e) {
1424 result.Error(e);
1425 }
1426 return result.Produce();
1427 }
1428
1429 /**
1430 * Will be called by the parser to change the global volume factor on a
1431 * particular sampler channel.
1432 */
1433 String LSCPServer::SetVolume(double dVolume, uint uiSamplerChannel) {
1434 dmsg(2,("LSCPServer: SetVolume(Volume=%f, SamplerChannel=%d)\n", dVolume, uiSamplerChannel));
1435 LSCPResultSet result;
1436 try {
1437 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1438 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1439 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1440 if (!pEngineChannel) throw Exception("No engine type assigned to sampler channel");
1441 pEngineChannel->Volume(dVolume);
1442 }
1443 catch (Exception e) {
1444 result.Error(e);
1445 }
1446 return result.Produce();
1447 }
1448
1449 /**
1450 * Will be called by the parser to mute/unmute particular sampler channel.
1451 */
1452 String LSCPServer::SetChannelMute(bool bMute, uint uiSamplerChannel) {
1453 dmsg(2,("LSCPServer: SetChannelMute(bMute=%d,uiSamplerChannel=%d)\n",bMute,uiSamplerChannel));
1454 LSCPResultSet result;
1455 try {
1456 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1457 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1458
1459 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1460 if (!pEngineChannel) throw Exception("No engine type assigned to sampler channel");
1461
1462 if(!bMute) pEngineChannel->SetMute((HasSoloChannel() && !pEngineChannel->GetSolo()) ? -1 : 0);
1463 else pEngineChannel->SetMute(1);
1464 } catch (Exception e) {
1465 result.Error(e);
1466 }
1467 return result.Produce();
1468 }
1469
1470 /**
1471 * Will be called by the parser to solo particular sampler channel.
1472 */
1473 String LSCPServer::SetChannelSolo(bool bSolo, uint uiSamplerChannel) {
1474 dmsg(2,("LSCPServer: SetChannelSolo(bSolo=%d,uiSamplerChannel=%d)\n",bSolo,uiSamplerChannel));
1475 LSCPResultSet result;
1476 try {
1477 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1478 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1479
1480 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1481 if (!pEngineChannel) throw Exception("No engine type assigned to sampler channel");
1482
1483 bool oldSolo = pEngineChannel->GetSolo();
1484 bool hadSoloChannel = HasSoloChannel();
1485
1486 pEngineChannel->SetSolo(bSolo);
1487
1488 if(!oldSolo && bSolo) {
1489 if(pEngineChannel->GetMute() == -1) pEngineChannel->SetMute(0);
1490 if(!hadSoloChannel) MuteNonSoloChannels();
1491 }
1492
1493 if(oldSolo && !bSolo) {
1494 if(!HasSoloChannel()) UnmuteChannels();
1495 else if(!pEngineChannel->GetMute()) pEngineChannel->SetMute(-1);
1496 }
1497 } catch (Exception e) {
1498 result.Error(e);
1499 }
1500 return result.Produce();
1501 }
1502
1503 /**
1504 * Determines whether there is at least one solo channel in the channel list.
1505 *
1506 * @returns true if there is at least one solo channel in the channel list,
1507 * false otherwise.
1508 */
1509 bool LSCPServer::HasSoloChannel() {
1510 std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
1511 std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
1512 for (; iter != channels.end(); iter++) {
1513 EngineChannel* c = iter->second->GetEngineChannel();
1514 if(c && c->GetSolo()) return true;
1515 }
1516
1517 return false;
1518 }
1519
1520 /**
1521 * Mutes all unmuted non-solo channels. Notice that the channels are muted
1522 * with -1 which indicates that they are muted because of the presence
1523 * of a solo channel(s). Channels muted with -1 will be automatically unmuted
1524 * when there are no solo channels left.
1525 */
1526 void LSCPServer::MuteNonSoloChannels() {
1527 dmsg(2,("LSCPServer: MuteNonSoloChannels()\n"));
1528 std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
1529 std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
1530 for (; iter != channels.end(); iter++) {
1531 EngineChannel* c = iter->second->GetEngineChannel();
1532 if(c && !c->GetSolo() && !c->GetMute()) c->SetMute(-1);
1533 }
1534 }
1535
1536 /**
1537 * Unmutes all channels that are muted because of the presence
1538 * of a solo channel(s).
1539 */
1540 void LSCPServer::UnmuteChannels() {
1541 dmsg(2,("LSCPServer: UnmuteChannels()\n"));
1542 std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
1543 std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
1544 for (; iter != channels.end(); iter++) {
1545 EngineChannel* c = iter->second->GetEngineChannel();
1546 if(c && c->GetMute() == -1) c->SetMute(0);
1547 }
1548 }
1549
1550 String LSCPServer::AddOrReplaceMIDIInstrumentMapping(uint MidiBankMSB, uint MidiBankLSB, uint MidiProg, String EngineType, String InstrumentFile, uint InstrumentIndex, float Volume, MidiInstrumentMapper::mode_t LoadMode, String Name) {
1551 dmsg(2,("LSCPServer: AddOrReplaceMIDIInstrumentMapping()\n"));
1552
1553 midi_prog_index_t idx;
1554 idx.midi_bank_msb = MidiBankMSB;
1555 idx.midi_bank_lsb = MidiBankLSB;
1556 idx.midi_prog = MidiProg;
1557
1558 MidiInstrumentMapper::entry_t entry;
1559 entry.EngineName = EngineType;
1560 entry.InstrumentFile = InstrumentFile;
1561 entry.InstrumentIndex = InstrumentIndex;
1562 entry.LoadMode = LoadMode;
1563 entry.Volume = Volume;
1564 entry.Name = Name;
1565
1566 LSCPResultSet result;
1567 try {
1568 // PERSISTENT mapping commands might bloock for a long time, so in
1569 // that case we add/replace the mapping in another thread
1570 bool bInBackground = (entry.LoadMode == MidiInstrumentMapper::PERSISTENT);
1571 MidiInstrumentMapper::AddOrReplaceMapping(idx, entry, bInBackground);
1572 } catch (Exception e) {
1573 result.Error(e);
1574 }
1575 return result.Produce();
1576 }
1577
1578 String LSCPServer::RemoveMIDIInstrumentMapping(uint MidiBankMSB, uint MidiBankLSB, uint MidiProg) {
1579 dmsg(2,("LSCPServer: RemoveMIDIInstrumentMapping()\n"));
1580
1581 midi_prog_index_t idx;
1582 idx.midi_bank_msb = MidiBankMSB;
1583 idx.midi_bank_lsb = MidiBankLSB;
1584 idx.midi_prog = MidiProg;
1585
1586 LSCPResultSet result;
1587 try {
1588 MidiInstrumentMapper::RemoveMapping(idx);
1589 } catch (Exception e) {
1590 result.Error(e);
1591 }
1592 return result.Produce();
1593 }
1594
1595 String LSCPServer::GetMidiIstrumentMappings() {
1596 dmsg(2,("LSCPServer: GetMidiIstrumentMappings()\n"));
1597 LSCPResultSet result;
1598 result.Add(MidiInstrumentMapper::Mappings().size());
1599 return result.Produce();
1600 }
1601
1602 String LSCPServer::GetMidiInstrumentMapping(uint MidiBankMSB, uint MidiBankLSB, uint MidiProg) {
1603 dmsg(2,("LSCPServer: GetMidiIstrumentMapping()\n"));
1604 LSCPResultSet result;
1605 try {
1606 midi_prog_index_t idx;
1607 idx.midi_bank_msb = MidiBankMSB;
1608 idx.midi_bank_lsb = MidiBankLSB;
1609 idx.midi_prog = MidiProg;
1610
1611 std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t> mappings = MidiInstrumentMapper::Mappings();
1612 std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t>::iterator iter = mappings.find(idx);
1613 if (iter == mappings.end()) result.Error("there is no map entry with that index");
1614 else { // found
1615 result.Add("NAME", iter->second.Name);
1616 result.Add("ENGINE_NAME", iter->second.EngineName);
1617 result.Add("INSTRUMENT_FILE", iter->second.InstrumentFile);
1618 result.Add("INSTRUMENT_NR", (int) iter->second.InstrumentIndex);
1619 String instrumentName;
1620 Engine* pEngine = EngineFactory::Create(iter->second.EngineName);
1621 if (pEngine) {
1622 if (pEngine->GetInstrumentManager()) {
1623 InstrumentManager::instrument_id_t instrID;
1624 instrID.FileName = iter->second.InstrumentFile;
1625 instrID.Index = iter->second.InstrumentIndex;
1626 instrumentName = pEngine->GetInstrumentManager()->GetInstrumentName(instrID);
1627 }
1628 EngineFactory::Destroy(pEngine);
1629 }
1630 result.Add("INSTRUMENT_NAME", instrumentName);
1631 switch (iter->second.LoadMode) {
1632 case MidiInstrumentMapper::ON_DEMAND:
1633 result.Add("LOAD_MODE", "ON_DEMAND");
1634 break;
1635 case MidiInstrumentMapper::ON_DEMAND_HOLD:
1636 result.Add("LOAD_MODE", "ON_DEMAND_HOLD");
1637 break;
1638 case MidiInstrumentMapper::PERSISTENT:
1639 result.Add("LOAD_MODE", "PERSISTENT");
1640 break;
1641 default:
1642 throw Exception("entry reflects invalid LOAD_MODE, consider this as a bug!");
1643 }
1644 result.Add("VOLUME", iter->second.Volume);
1645 }
1646 } catch (Exception e) {
1647 result.Error(e);
1648 }
1649 return result.Produce();
1650 }
1651
1652 String LSCPServer::ListMidiInstrumentMappings() {
1653 dmsg(2,("LSCPServer: ListMidiIstrumentMappings()\n"));
1654 LSCPResultSet result;
1655 try {
1656 String s;
1657 std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t> mappings = MidiInstrumentMapper::Mappings();
1658 std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t>::iterator iter = mappings.begin();
1659 for (; iter != mappings.end(); iter++) {
1660 if (s.size()) s += ",";
1661 s += "{" + ToString(iter->first.midi_bank_msb) + ","
1662 + ToString(iter->first.midi_bank_lsb) + ","
1663 + ToString(iter->first.midi_prog) + "}";
1664 }
1665 result.Add(s);
1666 } catch (Exception e) {
1667 result.Error(e);
1668 }
1669 return result.Produce();
1670 }
1671
1672 String LSCPServer::ClearMidiInstrumentMappings() {
1673 dmsg(2,("LSCPServer: ClearMidiInstrumentMappings()\n"));
1674 LSCPResultSet result;
1675 try {
1676 MidiInstrumentMapper::RemoveAllMappings();
1677 } catch (Exception e) {
1678 result.Error(e);
1679 }
1680 return result.Produce();
1681 }
1682
1683 /**
1684 * Will be called by the parser to reset a particular sampler channel.
1685 */
1686 String LSCPServer::ResetChannel(uint uiSamplerChannel) {
1687 dmsg(2,("LSCPServer: ResetChannel(SamplerChannel=%d)\n", uiSamplerChannel));
1688 LSCPResultSet result;
1689 try {
1690 SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1691 if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1692 EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1693 if (!pEngineChannel) throw Exception("No engine type assigned to sampler channel");
1694 pEngineChannel->Reset();
1695 }
1696 catch (Exception e) {
1697 result.Error(e);
1698 }
1699 return result.Produce();
1700 }
1701
1702 /**
1703 * Will be called by the parser to reset the whole sampler.
1704 */
1705 String LSCPServer::ResetSampler() {
1706 dmsg(2,("LSCPServer: ResetSampler()\n"));
1707 pSampler->Reset();
1708 LSCPResultSet result;
1709 return result.Produce();
1710 }
1711
1712 /**
1713 * Will be called by the parser to return general informations about this
1714 * sampler.
1715 */
1716 String LSCPServer::GetServerInfo() {
1717 dmsg(2,("LSCPServer: GetServerInfo()\n"));
1718 LSCPResultSet result;
1719 result.Add("DESCRIPTION", "LinuxSampler - modular, streaming capable sampler");
1720 result.Add("VERSION", VERSION);
1721 result.Add("PROTOCOL_VERSION", ToString(LSCP_RELEASE_MAJOR) + "." + ToString(LSCP_RELEASE_MINOR));
1722 return result.Produce();
1723 }
1724
1725 /**
1726 * Will be called by the parser to return the current number of all active voices.
1727 */
1728 String LSCPServer::GetTotalVoiceCount() {
1729 dmsg(2,("LSCPServer: GetTotalVoiceCount()\n"));
1730 LSCPResultSet result;
1731 result.Add(pSampler->GetVoiceCount());
1732 return result.Produce();
1733 }
1734
1735 /**
1736 * Will be called by the parser to return the maximum number of voices.
1737 */
1738 String LSCPServer::GetTotalVoiceCountMax() {
1739 dmsg(2,("LSCPServer: GetTotalVoiceCountMax()\n"));
1740 LSCPResultSet result;
1741 result.Add(EngineFactory::EngineInstances().size() * CONFIG_MAX_VOICES);
1742 return result.Produce();
1743 }
1744
1745 /**
1746 * Will be called by the parser to subscribe a client (frontend) on the
1747 * server for receiving event messages.
1748 */
1749 String LSCPServer::SubscribeNotification(LSCPEvent::event_t type) {
1750 dmsg(2,("LSCPServer: SubscribeNotification(Event=%s)\n", LSCPEvent::Name(type).c_str()));
1751 LSCPResultSet result;
1752 SubscriptionMutex.Lock();
1753 eventSubscriptions[type].push_back(currentSocket);
1754 SubscriptionMutex.Unlock();
1755 return result.Produce();
1756 }
1757
1758 /**
1759 * Will be called by the parser to unsubscribe a client on the server
1760 * for not receiving further event messages.
1761 */
1762 String LSCPServer::UnsubscribeNotification(LSCPEvent::event_t type) {
1763 dmsg(2,("LSCPServer: UnsubscribeNotification(Event=%s)\n", LSCPEvent::Name(type).c_str()));
1764 LSCPResultSet result;
1765 SubscriptionMutex.Lock();
1766 eventSubscriptions[type].remove(currentSocket);
1767 SubscriptionMutex.Unlock();
1768 return result.Produce();
1769 }
1770
1771 static int select_callback(void * lscpResultSet, int argc,
1772 char **argv, char **azColName)
1773 {
1774 LSCPResultSet* resultSet = (LSCPResultSet*) lscpResultSet;
1775 resultSet->Add(argc, argv);
1776 return 0;
1777 }
1778
1779 String LSCPServer::QueryDatabase(String query) {
1780 LSCPResultSet result;
1781 #if HAVE_SQLITE3
1782 char* zErrMsg = NULL;
1783 sqlite3 *db;
1784 String selectStr = "SELECT " + query;
1785
1786 int rc = sqlite3_open("linuxsampler.db", &db);
1787 if (rc == SQLITE_OK)
1788 {
1789 rc = sqlite3_exec(db, selectStr.c_str(), select_callback, &result, &zErrMsg);
1790 }
1791 if ( rc != SQLITE_OK )
1792 {
1793 result.Error(String(zErrMsg), rc);
1794 }
1795 sqlite3_close(db);
1796 #else
1797 result.Error(String("SQLITE3 was not installed when linuxsampler was built. SELECT statement is not available."), 0);
1798 #endif
1799 return result.Produce();
1800 }
1801
1802 /**
1803 * Will be called by the parser to enable or disable echo mode; if echo
1804 * mode is enabled, all commands from the client will (immediately) be
1805 * echoed back to the client.
1806 */
1807 String LSCPServer::SetEcho(yyparse_param_t* pSession, double boolean_value) {
1808 dmsg(2,("LSCPServer: SetEcho(val=%f)\n", boolean_value));
1809 LSCPResultSet result;
1810 try {
1811 if (boolean_value == 0) pSession->bVerbose = false;
1812 else if (boolean_value == 1) pSession->bVerbose = true;
1813 else throw Exception("Not a boolean value, must either be 0 or 1");
1814 }
1815 catch (Exception e) {
1816 result.Error(e);
1817 }
1818 return result.Produce();
1819 }

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