/[svn]/linuxsampler/trunk/src/Sampler.cpp
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revision 835 by persson, Mon Feb 6 18:07:17 2006 UTC revision 1686 by schoenebeck, Thu Feb 14 14:58:50 2008 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005 Christian Schoenebeck                              *   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   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  *   *   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     *   *   the Free Software Foundation; either version 2 of the License, or     *
11   *   (at your option) any later version.                                   *   *   (at your option) any later version.                                   *
12   *                                                                         *   *                                                                         *
13   *   This program is distributed in the hope that it will be useful,       *   *   This library is distributed in the hope that it will be useful,       *
14   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
15   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
16   *   GNU General Public License for more details.                          *   *   GNU General Public License for more details.                          *
17   *                                                                         *   *                                                                         *
18   *   You should have received a copy of the GNU General Public License     *   *   You should have received a copy of the GNU General Public License     *
19   *   along with this program; if not, write to the Free Software           *   *   along with this library; if not, write to the Free Software           *
20   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
21   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
22   ***************************************************************************/   ***************************************************************************/
# Line 25  Line 25 
25    
26  #include "Sampler.h"  #include "Sampler.h"
27    
28    #include "common/global_private.h"
29  #include "engines/EngineFactory.h"  #include "engines/EngineFactory.h"
30  #include "engines/EngineChannelFactory.h"  #include "engines/EngineChannelFactory.h"
31    #include "plugins/InstrumentEditorFactory.h"
32  #include "drivers/audio/AudioOutputDeviceFactory.h"  #include "drivers/audio/AudioOutputDeviceFactory.h"
33  #include "drivers/midi/MidiInputDeviceFactory.h"  #include "drivers/midi/MidiInputDeviceFactory.h"
34  #include "network/lscpserver.h"  #include "drivers/midi/MidiInstrumentMapper.h"
35    
36  namespace LinuxSampler {  namespace LinuxSampler {
37    
# Line 48  namespace LinuxSampler { Line 50  namespace LinuxSampler {
50    
51      SamplerChannel::~SamplerChannel() {      SamplerChannel::~SamplerChannel() {
52          if (pEngineChannel) {          if (pEngineChannel) {
53                Engine* engine = pEngineChannel->GetEngine();
54                if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine);
55    
56              MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel());              MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel());
57              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);
58              if (pEngineChannel) {              if (pEngineChannel) {
59                  if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();                  if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();
60                  EngineChannelFactory::Destroy(pEngineChannel);                  EngineChannelFactory::Destroy(pEngineChannel);
61    
62                    // reconnect engine if it still exists
63                    const std::set<Engine*>& engines = EngineFactory::EngineInstances();
64                    if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine);
65              }              }
66          }          }
67      }      }
68    
69      void SamplerChannel::SetEngineType(String EngineType) throw (LinuxSamplerException) {      void SamplerChannel::SetEngineType(String EngineType) throw (Exception) {
70          dmsg(2,("SamplerChannel: Assigning engine type..."));          dmsg(2,("SamplerChannel: Assigning engine type..."));
71            
72            if (pEngineChannel) {
73                if (!strcasecmp(pEngineChannel->EngineName().c_str(), EngineType.c_str())) {
74                    dmsg(2,("OK\n"));
75                    return;
76                }
77            }
78    
79            fireEngineToBeChanged();
80    
81          // create new engine channel          // create new engine channel
82          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);
83          if (!pNewEngineChannel) throw LinuxSamplerException("Unknown engine type");          if (!pNewEngineChannel) throw Exception("Unknown engine type");
84    
85          //FIXME: hack to allow fast retrieval of engine channel's sampler channel index          //FIXME: hack to allow fast retrieval of engine channel's sampler channel index
86          pNewEngineChannel->iSamplerChannelIndex = Index();          pNewEngineChannel->iSamplerChannelIndex = Index();
# Line 71  namespace LinuxSampler { Line 89  namespace LinuxSampler {
89          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
90          // disconnect old engine channel          // disconnect old engine channel
91          if (pEngineChannel) {          if (pEngineChannel) {
92                Engine* engine = pEngineChannel->GetEngine();
93                if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine);
94    
95              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);
96              if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();              if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();
97              EngineChannelFactory::Destroy(pEngineChannel);              EngineChannelFactory::Destroy(pEngineChannel);
98    
99                // reconnect engine if it still exists
100                const std::set<Engine*>& engines = EngineFactory::EngineInstances();
101                if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine);
102          }          }
103    
104          // connect new engine channel          // connect new engine channel
         if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel());  
105          if (pAudioOutputDevice) {          if (pAudioOutputDevice) {
106              pNewEngineChannel->Connect(pAudioOutputDevice);              pNewEngineChannel->Connect(pAudioOutputDevice);
107              pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine());              pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine());
108          }          }
109            if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel());
110          pEngineChannel = pNewEngineChannel;          pEngineChannel = pNewEngineChannel;
111    
112          // from now on get MIDI device and port from EngineChannel object          // from now on get MIDI device and port from EngineChannel object
# Line 89  namespace LinuxSampler { Line 114  namespace LinuxSampler {
114          this->iMidiPort        = 0;          this->iMidiPort        = 0;
115    
116          pEngineChannel->StatusChanged(true);          pEngineChannel->StatusChanged(true);
117            fireEngineChanged();
118          dmsg(2,("OK\n"));          dmsg(2,("OK\n"));
119      }      }
120    
121      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {
122            if(pAudioOutputDevice == pDevice) return;
123    
124          // disconnect old device          // disconnect old device
125          if (pAudioOutputDevice && pEngineChannel) pEngineChannel->DisconnectAudioOutputDevice();          if (pAudioOutputDevice && pEngineChannel) {
126                Engine* engine = pEngineChannel->GetEngine();
127                pAudioOutputDevice->Disconnect(engine);
128    
129                pEngineChannel->DisconnectAudioOutputDevice();
130    
131                // reconnect engine if it still exists
132                const std::set<Engine*>& engines = EngineFactory::EngineInstances();
133                if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine);
134            }
135    
136          // connect new device          // connect new device
137          pAudioOutputDevice = pDevice;          pAudioOutputDevice = pDevice;
138          if (pEngineChannel) {          if (pEngineChannel) {
# Line 117  namespace LinuxSampler { Line 154  namespace LinuxSampler {
154      }      }
155    
156      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) {      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) {
157          if (!pDevice) throw LinuxSamplerException("No MIDI input device assigned.");          if (!pDevice) throw Exception("No MIDI input device assigned.");
158    
159          // get old and new midi input port          // get old and new midi input port
160          MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());          MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
# Line 136  namespace LinuxSampler { Line 173  namespace LinuxSampler {
173          if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel);          if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel);
174          // Ooops.          // Ooops.
175          if (pNewMidiInputPort == NULL)          if (pNewMidiInputPort == NULL)
176              throw LinuxSamplerException("There is no MIDI input port with index " + ToString(iMidiPort) + ".");              throw Exception("There is no MIDI input port with index " + ToString(iMidiPort) + ".");
177      }      }
178    
179      EngineChannel* SamplerChannel::GetEngineChannel() {      EngineChannel* SamplerChannel::GetEngineChannel() {
# Line 175  namespace LinuxSampler { Line 212  namespace LinuxSampler {
212              }              }
213          }          }
214    
215          throw LinuxSamplerException("Internal error: SamplerChannel index not found");          throw Exception("Internal error: SamplerChannel index not found");
216        }
217    
218        void SamplerChannel::AddEngineChangeListener(EngineChangeListener* l) {
219            llEngineChangeListeners.AddListener(l);
220        }
221    
222        void SamplerChannel::RemoveEngineChangeListener(EngineChangeListener* l) {
223           llEngineChangeListeners.RemoveListener(l);
224        }
225    
226        void SamplerChannel::RemoveAllEngineChangeListeners() {
227           llEngineChangeListeners.RemoveAllListeners();
228        }
229    
230        void SamplerChannel::fireEngineToBeChanged() {
231            for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
232                llEngineChangeListeners.GetListener(i)->EngineToBeChanged(Index());
233            }
234        }
235    
236        void SamplerChannel::fireEngineChanged() {
237            for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
238                llEngineChangeListeners.GetListener(i)->EngineChanged(Index());
239            }
240      }      }
241    
242      MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) {      MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) {
# Line 192  namespace LinuxSampler { Line 253  namespace LinuxSampler {
253      // * Sampler      // * Sampler
254    
255      Sampler::Sampler() {      Sampler::Sampler() {
256            eventHandler.SetSampler(this);
257      }      }
258    
259      Sampler::~Sampler() {      Sampler::~Sampler() {
# Line 202  namespace LinuxSampler { Line 264  namespace LinuxSampler {
264          return mSamplerChannels.size();          return mSamplerChannels.size();
265      }      }
266    
267        void Sampler::AddChannelCountListener(ChannelCountListener* l) {
268            llChannelCountListeners.AddListener(l);
269        }
270    
271        void Sampler::RemoveChannelCountListener(ChannelCountListener* l) {
272           llChannelCountListeners.RemoveListener(l);
273        }
274    
275        void Sampler::fireChannelCountChanged(int NewCount) {
276            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
277                llChannelCountListeners.GetListener(i)->ChannelCountChanged(NewCount);
278            }
279        }
280    
281        void Sampler::fireChannelAdded(SamplerChannel* pChannel) {
282            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
283                llChannelCountListeners.GetListener(i)->ChannelAdded(pChannel);
284            }
285        }
286    
287        void Sampler::fireChannelToBeRemoved(SamplerChannel* pChannel) {
288            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
289                llChannelCountListeners.GetListener(i)->ChannelToBeRemoved(pChannel);
290            }
291        }
292    
293        void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) {
294            llAudioDeviceCountListeners.AddListener(l);
295        }
296    
297        void Sampler::RemoveAudioDeviceCountListener(AudioDeviceCountListener* l) {
298            llAudioDeviceCountListeners.RemoveListener(l);
299        }
300    
301        void Sampler::fireAudioDeviceCountChanged(int NewCount) {
302            for (int i = 0; i < llAudioDeviceCountListeners.GetListenerCount(); i++) {
303                llAudioDeviceCountListeners.GetListener(i)->AudioDeviceCountChanged(NewCount);
304            }
305        }
306    
307        void Sampler::AddMidiDeviceCountListener(MidiDeviceCountListener* l) {
308            llMidiDeviceCountListeners.AddListener(l);
309        }
310    
311        void Sampler::RemoveMidiDeviceCountListener(MidiDeviceCountListener* l) {
312            llMidiDeviceCountListeners.RemoveListener(l);
313        }
314    
315        void Sampler::fireMidiDeviceCountChanged(int NewCount) {
316            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
317                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCountChanged(NewCount);
318            }
319        }
320    
321        void Sampler::AddVoiceCountListener(VoiceCountListener* l) {
322            llVoiceCountListeners.AddListener(l);
323        }
324    
325        void Sampler::RemoveVoiceCountListener(VoiceCountListener* l) {
326            llVoiceCountListeners.RemoveListener(l);
327        }
328    
329        void Sampler::fireVoiceCountChanged(int ChannelId, int NewCount) {
330            for (int i = 0; i < llVoiceCountListeners.GetListenerCount(); i++) {
331                llVoiceCountListeners.GetListener(i)->VoiceCountChanged(ChannelId, NewCount);
332            }
333        }
334    
335        void Sampler::AddStreamCountListener(StreamCountListener* l) {
336            llStreamCountListeners.AddListener(l);
337        }
338    
339        void Sampler::RemoveStreamCountListener(StreamCountListener* l) {
340            llStreamCountListeners.RemoveListener(l);
341        }
342    
343        void Sampler::fireStreamCountChanged(int ChannelId, int NewCount) {
344            for (int i = 0; i < llStreamCountListeners.GetListenerCount(); i++) {
345                llStreamCountListeners.GetListener(i)->StreamCountChanged(ChannelId, NewCount);
346            }
347        }
348    
349        void Sampler::AddBufferFillListener(BufferFillListener* l) {
350            llBufferFillListeners.AddListener(l);
351        }
352    
353        void Sampler::RemoveBufferFillListener(BufferFillListener* l) {
354            llBufferFillListeners.RemoveListener(l);
355        }
356    
357        void Sampler::fireBufferFillChanged(int ChannelId, String FillData) {
358            for (int i = 0; i < llBufferFillListeners.GetListenerCount(); i++) {
359                llBufferFillListeners.GetListener(i)->BufferFillChanged(ChannelId, FillData);
360            }
361        }
362    
363        void Sampler::AddTotalStreamCountListener(TotalStreamCountListener* l) {
364            llTotalStreamCountListeners.AddListener(l);
365        }
366    
367        void Sampler::RemoveTotalStreamCountListener(TotalStreamCountListener* l) {
368            llTotalStreamCountListeners.RemoveListener(l);
369        }
370    
371        void Sampler::fireTotalStreamCountChanged(int NewCount) {
372            for (int i = 0; i < llTotalStreamCountListeners.GetListenerCount(); i++) {
373                llTotalStreamCountListeners.GetListener(i)->TotalStreamCountChanged(NewCount);
374            }
375        }
376    
377        void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) {
378            llTotalVoiceCountListeners.AddListener(l);
379        }
380    
381        void Sampler::RemoveTotalVoiceCountListener(TotalVoiceCountListener* l) {
382            llTotalVoiceCountListeners.RemoveListener(l);
383        }
384    
385        void Sampler::fireTotalVoiceCountChanged(int NewCount) {
386            for (int i = 0; i < llTotalVoiceCountListeners.GetListenerCount(); i++) {
387                llTotalVoiceCountListeners.GetListener(i)->TotalVoiceCountChanged(NewCount);
388            }
389        }
390    
391        void Sampler::AddFxSendCountListener(FxSendCountListener* l) {
392            llFxSendCountListeners.AddListener(l);
393        }
394    
395        void Sampler::RemoveFxSendCountListener(FxSendCountListener* l) {
396            llFxSendCountListeners.RemoveListener(l);
397        }
398    
399        void Sampler::fireFxSendCountChanged(int ChannelId, int NewCount) {
400            for (int i = 0; i < llFxSendCountListeners.GetListenerCount(); i++) {
401                llFxSendCountListeners.GetListener(i)->FxSendCountChanged(ChannelId, NewCount);
402            }
403        }
404    
405        void Sampler::EventHandler::EngineToBeChanged(int ChannelId) {
406            // nothing to do here
407        }
408    
409        void Sampler::EventHandler::EngineChanged(int ChannelId) {
410            EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel();
411            if(engineChannel == NULL) return;
412            engineChannel->AddFxSendCountListener(this);
413        }
414    
415        void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) {
416            pSampler->fireFxSendCountChanged(ChannelId, NewCount);
417        }
418    
419    
420      SamplerChannel* Sampler::AddSamplerChannel() {      SamplerChannel* Sampler::AddSamplerChannel() {
421          // if there's no sampler channel yet          // if there's no sampler channel yet
422          if (!mSamplerChannels.size()) {          if (!mSamplerChannels.size()) {
423              SamplerChannel* pChannel = new SamplerChannel(this);              SamplerChannel* pChannel = new SamplerChannel(this);
424              mSamplerChannels[0] = pChannel;              mSamplerChannels[0] = pChannel;
425              LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, 1));              fireChannelAdded(pChannel);
426                fireChannelCountChanged(1);
427                pChannel->AddEngineChangeListener(&eventHandler);
428              return pChannel;              return pChannel;
429          }          }
430    
# Line 222  namespace LinuxSampler { Line 439  namespace LinuxSampler {
439                  // we found an unused index, so insert the new channel there                  // we found an unused index, so insert the new channel there
440                  SamplerChannel* pChannel = new SamplerChannel(this);                  SamplerChannel* pChannel = new SamplerChannel(this);
441                  mSamplerChannels[i] = pChannel;                  mSamplerChannels[i] = pChannel;
442                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, i));                  fireChannelAdded(pChannel);
443                    fireChannelCountChanged(SamplerChannels());
444                    pChannel->AddEngineChangeListener(&eventHandler);
445                  return pChannel;                  return pChannel;
446              }              }
447              throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index.");              throw Exception("Internal error: could not find unoccupied sampler channel index.");
448          }          }
449    
450          // we have not reached the index limit so we just add the channel past the highest index          // we have not reached the index limit so we just add the channel past the highest index
451          SamplerChannel* pChannel = new SamplerChannel(this);          SamplerChannel* pChannel = new SamplerChannel(this);
452          mSamplerChannels[lastIndex + 1] = pChannel;          mSamplerChannels[lastIndex + 1] = pChannel;
453          LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, lastIndex + 1));          fireChannelAdded(pChannel);
454            fireChannelCountChanged(SamplerChannels());
455            pChannel->AddEngineChangeListener(&eventHandler);
456          return pChannel;          return pChannel;
457      }      }
458    
# Line 247  namespace LinuxSampler { Line 468  namespace LinuxSampler {
468          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();
469          for (; iterChan != mSamplerChannels.end(); iterChan++) {          for (; iterChan != mSamplerChannels.end(); iterChan++) {
470              if (iterChan->second == pSamplerChannel) {              if (iterChan->second == pSamplerChannel) {
471                    fireChannelToBeRemoved(pSamplerChannel);
472                    pSamplerChannel->RemoveAllEngineChangeListeners();
473                  mSamplerChannels.erase(iterChan);                  mSamplerChannels.erase(iterChan);
474                  delete pSamplerChannel;                  delete pSamplerChannel;
475                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, mSamplerChannels.size()));                  fireChannelCountChanged(SamplerChannels());
476                  return;                  return;
477              }              }
478          }          }
# Line 265  namespace LinuxSampler { Line 488  namespace LinuxSampler {
488          return AudioOutputDeviceFactory::AvailableDrivers();          return AudioOutputDeviceFactory::AvailableDrivers();
489      }      }
490    
491      AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) {      std::vector<String> Sampler::AvailableMidiInputDrivers() {
492            return MidiInputDeviceFactory::AvailableDrivers();
493        }
494    
495        std::vector<String> Sampler::AvailableEngineTypes() {
496            return EngineFactory::AvailableEngineTypes();
497        }
498    
499        AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (Exception) {
500          // create new device          // create new device
501          AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters);          AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters);
502    
# Line 277  namespace LinuxSampler { Line 508  namespace LinuxSampler {
508              }              }
509          }          }
510    
511            fireAudioDeviceCountChanged(AudioOutputDevices());
512          return pDevice;          return pDevice;
513      }      }
514    
# Line 296  namespace LinuxSampler { Line 528  namespace LinuxSampler {
528          return mMidiInputDevices;          return mMidiInputDevices;
529      }      }
530    
531      void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (LinuxSamplerException) {      void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) {
532          AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin();          AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin();
533          for (; iter != mAudioOutputDevices.end(); iter++) {          for (; iter != mAudioOutputDevices.end(); iter++) {
534              if (iter->second == pDevice) {              if (iter->second == pDevice) {
535                  // check if there are still sampler engines connected to this device                  // check if there are still sampler engines connected to this device
536                  for (uint i = 0; i < SamplerChannels(); i++)                  for (uint i = 0; i < SamplerChannels(); i++)
537                      if (GetSamplerChannel(i)->GetAudioOutputDevice() == pDevice) throw LinuxSamplerException("Sampler channel " + ToString(i) + " is still connected to the audio output device.");                      if (GetSamplerChannel(i)->GetAudioOutputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the audio output device.");
538    
539                  // disable device                  // disable device
540                  pDevice->Stop();                  pDevice->Stop();
541    
542                    // remove device from the device list
543                    mAudioOutputDevices.erase(iter);
544    
545                  // destroy and free device from memory                  // destroy and free device from memory
546                  delete pDevice;                  delete pDevice;
547    
548                    fireAudioDeviceCountChanged(AudioOutputDevices());
549                    break;
550              }              }
551          }          }
         // remove devices from the device list  
         mAudioOutputDevices.clear();  
552      }      }
553    
554      void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (LinuxSamplerException) {      void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) {
555          MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin();          MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin();
556          for (; iter != mMidiInputDevices.end(); iter++) {          for (; iter != mMidiInputDevices.end(); iter++) {
557              if (iter->second == pDevice) {              if (iter->second == pDevice) {
558                  // check if there are still sampler engines connected to this device                  // check if there are still sampler engines connected to this device
559                  for (uint i = 0; i < SamplerChannels(); i++)                  for (uint i = 0; i < SamplerChannels(); i++)
560                      if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw LinuxSamplerException("Sampler channel " + ToString(i) + " is still connected to the midi input device.");                      if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the midi input device.");
561    
562                  // disable device                  // disable device
563                  pDevice->StopListen();                  pDevice->StopListen();
564    
565                    // remove device from the device list
566                    mMidiInputDevices.erase(iter);
567    
568                  // destroy and free device from memory                  // destroy and free device from memory
569                  delete pDevice;                  delete pDevice;
570    
571                    fireMidiDeviceCountChanged(MidiInputDevices());
572                    break;
573              }              }
574          }          }
         // remove devices from the device list  
         mMidiInputDevices.clear();  
575      }      }
576    
577      MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) {      MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (Exception) {
578          // create new device          // create new device
579          MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this);          MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this);
580    
# Line 346  namespace LinuxSampler { Line 586  namespace LinuxSampler {
586                  }                  }
587          }          }
588    
589            fireMidiDeviceCountChanged(MidiInputDevices());
590          return pDevice;          return pDevice;
591      }      }
592    
593        int Sampler::GetDiskStreamCount() {
594            int count = 0;
595            std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();
596    
597            for(; it != EngineFactory::EngineInstances().end(); it++) {
598                count += (*it)->DiskStreamCount();
599            }
600    
601            return count;
602        }
603    
604      int Sampler::GetVoiceCount() {      int Sampler::GetVoiceCount() {
605          int count = 0;          int count = 0;
606          std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();          std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();
# Line 399  namespace LinuxSampler { Line 651  namespace LinuxSampler {
651              std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush;              std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush;
652              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
653          }          }
654    
655            // delete MIDI instrument maps
656            try {
657                MidiInstrumentMapper::RemoveAllMaps();
658            }
659            catch(...) {
660                std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush;
661                exit(EXIT_FAILURE);
662            }
663    
664            // unload all instrument editor DLLs
665            InstrumentEditorFactory::ClosePlugins();
666      }      }
667    
668  } // namespace LinuxSampler  } // namespace LinuxSampler
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