/[svn]/linuxsampler/trunk/src/Sampler.cpp
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revision 846 by persson, Sun Mar 19 16:38:22 2006 UTC revision 1765 by persson, Sat Sep 6 16:44:42 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 "drivers/midi/MidiInstrumentMapper.h"
35    #include "common/Features.h"
36  #include "network/lscpserver.h"  #include "network/lscpserver.h"
37    
38  namespace LinuxSampler {  namespace LinuxSampler {
# Line 64  namespace LinuxSampler { Line 68  namespace LinuxSampler {
68          }          }
69      }      }
70    
71      void SamplerChannel::SetEngineType(String EngineType) throw (LinuxSamplerException) {      void SamplerChannel::SetEngineType(String EngineType) throw (Exception) {
72          dmsg(2,("SamplerChannel: Assigning engine type..."));          dmsg(2,("SamplerChannel: Assigning engine type..."));
73            
74            if (pEngineChannel) {
75                if (!strcasecmp(pEngineChannel->EngineName().c_str(), EngineType.c_str())) {
76                    dmsg(2,("OK\n"));
77                    return;
78                }
79            }
80    
81            fireEngineToBeChanged();
82    
83          // create new engine channel          // create new engine channel
84          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);
85          if (!pNewEngineChannel) throw LinuxSamplerException("Unknown engine type");          if (!pNewEngineChannel) throw Exception("Unknown engine type");
86    
87          //FIXME: hack to allow fast retrieval of engine channel's sampler channel index          pNewEngineChannel->SetSamplerChannel(this);
         pNewEngineChannel->iSamplerChannelIndex = Index();  
88    
89          // dereference midi input port.          // dereference midi input port.
90          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
# Line 103  namespace LinuxSampler { Line 115  namespace LinuxSampler {
115          this->iMidiPort        = 0;          this->iMidiPort        = 0;
116    
117          pEngineChannel->StatusChanged(true);          pEngineChannel->StatusChanged(true);
118            fireEngineChanged();
119          dmsg(2,("OK\n"));          dmsg(2,("OK\n"));
120      }      }
121    
122      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {
123            if(pAudioOutputDevice == pDevice) return;
124    
125          // disconnect old device          // disconnect old device
126          if (pAudioOutputDevice && pEngineChannel) {          if (pAudioOutputDevice && pEngineChannel) {
127              Engine* engine = pEngineChannel->GetEngine();              Engine* engine = pEngineChannel->GetEngine();
# Line 141  namespace LinuxSampler { Line 155  namespace LinuxSampler {
155      }      }
156    
157      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) {      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) {
158          if (!pDevice) throw LinuxSamplerException("No MIDI input device assigned.");          if (!pDevice) throw Exception("No MIDI input device assigned.");
159    
160          // get old and new midi input port          // get old and new midi input port
161          MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());          MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
# Line 160  namespace LinuxSampler { Line 174  namespace LinuxSampler {
174          if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel);          if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel);
175          // Ooops.          // Ooops.
176          if (pNewMidiInputPort == NULL)          if (pNewMidiInputPort == NULL)
177              throw LinuxSamplerException("There is no MIDI input port with index " + ToString(iMidiPort) + ".");              throw Exception("There is no MIDI input port with index " + ToString(iMidiPort) + ".");
178      }      }
179    
180      EngineChannel* SamplerChannel::GetEngineChannel() {      EngineChannel* SamplerChannel::GetEngineChannel() {
# Line 199  namespace LinuxSampler { Line 213  namespace LinuxSampler {
213              }              }
214          }          }
215    
216          throw LinuxSamplerException("Internal error: SamplerChannel index not found");          throw Exception("Internal error: SamplerChannel index not found");
217        }
218    
219        Sampler* SamplerChannel::GetSampler() {
220            return pSampler;
221        }
222    
223        void SamplerChannel::AddEngineChangeListener(EngineChangeListener* l) {
224            llEngineChangeListeners.AddListener(l);
225        }
226    
227        void SamplerChannel::RemoveEngineChangeListener(EngineChangeListener* l) {
228           llEngineChangeListeners.RemoveListener(l);
229        }
230    
231        void SamplerChannel::RemoveAllEngineChangeListeners() {
232           llEngineChangeListeners.RemoveAllListeners();
233        }
234    
235        void SamplerChannel::fireEngineToBeChanged() {
236            for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
237                llEngineChangeListeners.GetListener(i)->EngineToBeChanged(Index());
238            }
239        }
240    
241        void SamplerChannel::fireEngineChanged() {
242            for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
243                llEngineChangeListeners.GetListener(i)->EngineChanged(Index());
244            }
245      }      }
246    
247      MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) {      MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) {
# Line 216  namespace LinuxSampler { Line 258  namespace LinuxSampler {
258      // * Sampler      // * Sampler
259    
260      Sampler::Sampler() {      Sampler::Sampler() {
261            eventHandler.SetSampler(this);
262      }      }
263    
264      Sampler::~Sampler() {      Sampler::~Sampler() {
# Line 226  namespace LinuxSampler { Line 269  namespace LinuxSampler {
269          return mSamplerChannels.size();          return mSamplerChannels.size();
270      }      }
271    
272        void Sampler::AddChannelCountListener(ChannelCountListener* l) {
273            llChannelCountListeners.AddListener(l);
274        }
275    
276        void Sampler::RemoveChannelCountListener(ChannelCountListener* l) {
277           llChannelCountListeners.RemoveListener(l);
278        }
279    
280        void Sampler::fireChannelCountChanged(int NewCount) {
281            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
282                llChannelCountListeners.GetListener(i)->ChannelCountChanged(NewCount);
283            }
284        }
285    
286        void Sampler::fireChannelAdded(SamplerChannel* pChannel) {
287            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
288                llChannelCountListeners.GetListener(i)->ChannelAdded(pChannel);
289            }
290        }
291    
292        void Sampler::fireChannelToBeRemoved(SamplerChannel* pChannel) {
293            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
294                llChannelCountListeners.GetListener(i)->ChannelToBeRemoved(pChannel);
295            }
296        }
297    
298        void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) {
299            llAudioDeviceCountListeners.AddListener(l);
300        }
301    
302        void Sampler::RemoveAudioDeviceCountListener(AudioDeviceCountListener* l) {
303            llAudioDeviceCountListeners.RemoveListener(l);
304        }
305    
306        void Sampler::fireAudioDeviceCountChanged(int NewCount) {
307            for (int i = 0; i < llAudioDeviceCountListeners.GetListenerCount(); i++) {
308                llAudioDeviceCountListeners.GetListener(i)->AudioDeviceCountChanged(NewCount);
309            }
310        }
311    
312        void Sampler::AddMidiDeviceCountListener(MidiDeviceCountListener* l) {
313            llMidiDeviceCountListeners.AddListener(l);
314        }
315    
316        void Sampler::RemoveMidiDeviceCountListener(MidiDeviceCountListener* l) {
317            llMidiDeviceCountListeners.RemoveListener(l);
318        }
319    
320        void Sampler::fireMidiDeviceCountChanged(int NewCount) {
321            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
322                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCountChanged(NewCount);
323            }
324        }
325    
326        void Sampler::fireMidiDeviceToBeDestroyed(MidiInputDevice* pDevice) {
327            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
328                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceToBeDestroyed(pDevice);
329            }
330        }
331    
332        void Sampler::fireMidiDeviceCreated(MidiInputDevice* pDevice) {
333            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
334                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCreated(pDevice);
335            }
336        }
337    
338        void Sampler::AddVoiceCountListener(VoiceCountListener* l) {
339            llVoiceCountListeners.AddListener(l);
340        }
341    
342        void Sampler::RemoveVoiceCountListener(VoiceCountListener* l) {
343            llVoiceCountListeners.RemoveListener(l);
344        }
345    
346        void Sampler::fireVoiceCountChanged(int ChannelId, int NewCount) {
347            for (int i = 0; i < llVoiceCountListeners.GetListenerCount(); i++) {
348                llVoiceCountListeners.GetListener(i)->VoiceCountChanged(ChannelId, NewCount);
349            }
350        }
351    
352        void Sampler::AddStreamCountListener(StreamCountListener* l) {
353            llStreamCountListeners.AddListener(l);
354        }
355    
356        void Sampler::RemoveStreamCountListener(StreamCountListener* l) {
357            llStreamCountListeners.RemoveListener(l);
358        }
359    
360        void Sampler::fireStreamCountChanged(int ChannelId, int NewCount) {
361            for (int i = 0; i < llStreamCountListeners.GetListenerCount(); i++) {
362                llStreamCountListeners.GetListener(i)->StreamCountChanged(ChannelId, NewCount);
363            }
364        }
365    
366        void Sampler::AddBufferFillListener(BufferFillListener* l) {
367            llBufferFillListeners.AddListener(l);
368        }
369    
370        void Sampler::RemoveBufferFillListener(BufferFillListener* l) {
371            llBufferFillListeners.RemoveListener(l);
372        }
373    
374        void Sampler::fireBufferFillChanged(int ChannelId, String FillData) {
375            for (int i = 0; i < llBufferFillListeners.GetListenerCount(); i++) {
376                llBufferFillListeners.GetListener(i)->BufferFillChanged(ChannelId, FillData);
377            }
378        }
379    
380        void Sampler::AddTotalStreamCountListener(TotalStreamCountListener* l) {
381            llTotalStreamCountListeners.AddListener(l);
382        }
383    
384        void Sampler::RemoveTotalStreamCountListener(TotalStreamCountListener* l) {
385            llTotalStreamCountListeners.RemoveListener(l);
386        }
387    
388        void Sampler::fireTotalStreamCountChanged(int NewCount) {
389            for (int i = 0; i < llTotalStreamCountListeners.GetListenerCount(); i++) {
390                llTotalStreamCountListeners.GetListener(i)->TotalStreamCountChanged(NewCount);
391            }
392        }
393    
394        void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) {
395            llTotalVoiceCountListeners.AddListener(l);
396        }
397    
398        void Sampler::RemoveTotalVoiceCountListener(TotalVoiceCountListener* l) {
399            llTotalVoiceCountListeners.RemoveListener(l);
400        }
401    
402        void Sampler::fireTotalVoiceCountChanged(int NewCount) {
403            for (int i = 0; i < llTotalVoiceCountListeners.GetListenerCount(); i++) {
404                llTotalVoiceCountListeners.GetListener(i)->TotalVoiceCountChanged(NewCount);
405            }
406        }
407    
408        void Sampler::AddFxSendCountListener(FxSendCountListener* l) {
409            llFxSendCountListeners.AddListener(l);
410        }
411    
412        void Sampler::RemoveFxSendCountListener(FxSendCountListener* l) {
413            llFxSendCountListeners.RemoveListener(l);
414        }
415    
416        void Sampler::fireFxSendCountChanged(int ChannelId, int NewCount) {
417            for (int i = 0; i < llFxSendCountListeners.GetListenerCount(); i++) {
418                llFxSendCountListeners.GetListener(i)->FxSendCountChanged(ChannelId, NewCount);
419            }
420        }
421    
422        void Sampler::EventHandler::EngineToBeChanged(int ChannelId) {
423            // nothing to do here
424        }
425    
426        void Sampler::EventHandler::EngineChanged(int ChannelId) {
427            EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel();
428            if(engineChannel == NULL) return;
429            engineChannel->AddFxSendCountListener(this);
430        }
431    
432        void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) {
433            pSampler->fireFxSendCountChanged(ChannelId, NewCount);
434        }
435    
436    
437      SamplerChannel* Sampler::AddSamplerChannel() {      SamplerChannel* Sampler::AddSamplerChannel() {
438          // if there's no sampler channel yet          // if there's no sampler channel yet
439          if (!mSamplerChannels.size()) {          if (!mSamplerChannels.size()) {
440              SamplerChannel* pChannel = new SamplerChannel(this);              SamplerChannel* pChannel = new SamplerChannel(this);
441              mSamplerChannels[0] = pChannel;              mSamplerChannels[0] = pChannel;
442              LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, 1));              fireChannelAdded(pChannel);
443                fireChannelCountChanged(1);
444                pChannel->AddEngineChangeListener(&eventHandler);
445              return pChannel;              return pChannel;
446          }          }
447    
# Line 246  namespace LinuxSampler { Line 456  namespace LinuxSampler {
456                  // we found an unused index, so insert the new channel there                  // we found an unused index, so insert the new channel there
457                  SamplerChannel* pChannel = new SamplerChannel(this);                  SamplerChannel* pChannel = new SamplerChannel(this);
458                  mSamplerChannels[i] = pChannel;                  mSamplerChannels[i] = pChannel;
459                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, i));                  fireChannelAdded(pChannel);
460                    fireChannelCountChanged(SamplerChannels());
461                    pChannel->AddEngineChangeListener(&eventHandler);
462                  return pChannel;                  return pChannel;
463              }              }
464              throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index.");              throw Exception("Internal error: could not find unoccupied sampler channel index.");
465          }          }
466    
467          // 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
468          SamplerChannel* pChannel = new SamplerChannel(this);          SamplerChannel* pChannel = new SamplerChannel(this);
469          mSamplerChannels[lastIndex + 1] = pChannel;          mSamplerChannels[lastIndex + 1] = pChannel;
470          LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, lastIndex + 1));          fireChannelAdded(pChannel);
471            fireChannelCountChanged(SamplerChannels());
472            pChannel->AddEngineChangeListener(&eventHandler);
473          return pChannel;          return pChannel;
474      }      }
475    
# Line 271  namespace LinuxSampler { Line 485  namespace LinuxSampler {
485          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();
486          for (; iterChan != mSamplerChannels.end(); iterChan++) {          for (; iterChan != mSamplerChannels.end(); iterChan++) {
487              if (iterChan->second == pSamplerChannel) {              if (iterChan->second == pSamplerChannel) {
488                    fireChannelToBeRemoved(pSamplerChannel);
489                    pSamplerChannel->RemoveAllEngineChangeListeners();
490                  mSamplerChannels.erase(iterChan);                  mSamplerChannels.erase(iterChan);
491                  delete pSamplerChannel;                  delete pSamplerChannel;
492                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, mSamplerChannels.size()));                  fireChannelCountChanged(SamplerChannels());
493                  return;                  return;
494              }              }
495          }          }
# Line 289  namespace LinuxSampler { Line 505  namespace LinuxSampler {
505          return AudioOutputDeviceFactory::AvailableDrivers();          return AudioOutputDeviceFactory::AvailableDrivers();
506      }      }
507    
508      AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) {      std::vector<String> Sampler::AvailableMidiInputDrivers() {
509            return MidiInputDeviceFactory::AvailableDrivers();
510        }
511    
512        std::vector<String> Sampler::AvailableEngineTypes() {
513            return EngineFactory::AvailableEngineTypes();
514        }
515    
516        AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (Exception) {
517          // create new device          // create new device
518          AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters);          AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters);
519    
# Line 301  namespace LinuxSampler { Line 525  namespace LinuxSampler {
525              }              }
526          }          }
527    
528            fireAudioDeviceCountChanged(AudioOutputDevices());
529          return pDevice;          return pDevice;
530      }      }
531    
# Line 320  namespace LinuxSampler { Line 545  namespace LinuxSampler {
545          return mMidiInputDevices;          return mMidiInputDevices;
546      }      }
547    
548      void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (LinuxSamplerException) {      void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) {
549          AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin();          AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin();
550          for (; iter != mAudioOutputDevices.end(); iter++) {          for (; iter != mAudioOutputDevices.end(); iter++) {
551              if (iter->second == pDevice) {              if (iter->second == pDevice) {
552                  // check if there are still sampler engines connected to this device                  // check if there are still sampler engines connected to this device
553                  for (uint i = 0; i < SamplerChannels(); i++)                  for (uint i = 0; i < SamplerChannels(); i++)
554                      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.");
555    
556                  // disable device                  // disable device
557                  pDevice->Stop();                  pDevice->Stop();
# Line 337  namespace LinuxSampler { Line 562  namespace LinuxSampler {
562                  // destroy and free device from memory                  // destroy and free device from memory
563                  delete pDevice;                  delete pDevice;
564    
565                    fireAudioDeviceCountChanged(AudioOutputDevices());
566                  break;                  break;
567              }              }
568          }          }
569      }      }
570    
571      void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (LinuxSamplerException) {      void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) {
572          MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin();          MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin();
573          for (; iter != mMidiInputDevices.end(); iter++) {          for (; iter != mMidiInputDevices.end(); iter++) {
574              if (iter->second == pDevice) {              if (iter->second == pDevice) {
575                  // check if there are still sampler engines connected to this device                  // check if there are still sampler engines connected to this device
576                  for (uint i = 0; i < SamplerChannels(); i++)                  for (uint i = 0; i < SamplerChannels(); i++)
577                      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.");
578    
579                    fireMidiDeviceToBeDestroyed(pDevice);
580    
581                  // disable device                  // disable device
582                  pDevice->StopListen();                  pDevice->StopListen();
# Line 359  namespace LinuxSampler { Line 587  namespace LinuxSampler {
587                  // destroy and free device from memory                  // destroy and free device from memory
588                  delete pDevice;                  delete pDevice;
589    
590                    fireMidiDeviceCountChanged(MidiInputDevices());
591                  break;                  break;
592              }              }
593          }          }
594      }      }
595    
596      MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) {      MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (Exception) {
597          // create new device          // create new device
598          MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this);          MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this);
599    
# Line 376  namespace LinuxSampler { Line 605  namespace LinuxSampler {
605                  }                  }
606          }          }
607    
608            fireMidiDeviceCreated(pDevice);
609            fireMidiDeviceCountChanged(MidiInputDevices());
610          return pDevice;          return pDevice;
611      }      }
612    
613        int Sampler::GetDiskStreamCount() {
614            int count = 0;
615            std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();
616    
617            for(; it != EngineFactory::EngineInstances().end(); it++) {
618                count += (*it)->DiskStreamCount();
619            }
620    
621            return count;
622        }
623    
624      int Sampler::GetVoiceCount() {      int Sampler::GetVoiceCount() {
625          int count = 0;          int count = 0;
626          std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();          std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();
# Line 429  namespace LinuxSampler { Line 671  namespace LinuxSampler {
671              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;
672              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
673          }          }
674    
675            // delete MIDI instrument maps
676            try {
677                MidiInstrumentMapper::RemoveAllMaps();
678            }
679            catch(...) {
680                std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush;
681                exit(EXIT_FAILURE);
682            }
683    
684            // unload all instrument editor DLLs
685            InstrumentEditorFactory::ClosePlugins();
686        }
687    
688        bool Sampler::EnableDenormalsAreZeroMode() {
689            Features::detect();
690            return Features::enableDenormalsAreZeroMode();
691        }
692    
693        void Sampler::fireStatistics() {
694            static const LSCPEvent::event_t eventsArr[] = {
695                LSCPEvent::event_voice_count, LSCPEvent::event_stream_count,
696                LSCPEvent::event_buffer_fill, LSCPEvent::event_total_voice_count
697            };
698            static const std::list<LSCPEvent::event_t> events(eventsArr, eventsArr + 4);
699    
700            if (LSCPServer::EventSubscribers(events))
701            {
702                LSCPServer::LockRTNotify();
703                std::map<uint,SamplerChannel*> channels = GetSamplerChannels();
704                std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
705                for (; iter != channels.end(); iter++) {
706                    SamplerChannel* pSamplerChannel = iter->second;
707                    EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
708                    if (!pEngineChannel) continue;
709                    Engine* pEngine = pEngineChannel->GetEngine();
710                    if (!pEngine) continue;
711                    fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount());
712                    fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount());
713                    fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage());
714                    fireTotalStreamCountChanged(GetDiskStreamCount());
715                    fireTotalVoiceCountChanged(GetVoiceCount());
716                }
717                LSCPServer::UnlockRTNotify();
718            }
719      }      }
720    
721  } // namespace LinuxSampler  } // namespace LinuxSampler
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