/[svn]/linuxsampler/trunk/src/Sampler.cpp
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revision 1130 by iliev, Sun Mar 25 18:59:14 2007 UTC revision 1723 by schoenebeck, Sun Apr 20 08:53:39 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 - 2007 Christian Schoenebeck                       *   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This library 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  *
# 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"  #include "drivers/midi/MidiInstrumentMapper.h"
35    #include "common/Features.h"
36    
37  namespace LinuxSampler {  namespace LinuxSampler {
38    
# Line 66  namespace LinuxSampler { Line 69  namespace LinuxSampler {
69    
70      void SamplerChannel::SetEngineType(String EngineType) throw (Exception) {      void SamplerChannel::SetEngineType(String EngineType) throw (Exception) {
71          dmsg(2,("SamplerChannel: Assigning engine type..."));          dmsg(2,("SamplerChannel: Assigning engine type..."));
72            
73            if (pEngineChannel) {
74                if (!strcasecmp(pEngineChannel->EngineName().c_str(), EngineType.c_str())) {
75                    dmsg(2,("OK\n"));
76                    return;
77                }
78            }
79    
80            fireEngineToBeChanged();
81    
82          // create new engine channel          // create new engine channel
83          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);
# Line 216  namespace LinuxSampler { Line 228  namespace LinuxSampler {
228         llEngineChangeListeners.RemoveAllListeners();         llEngineChangeListeners.RemoveAllListeners();
229      }      }
230    
231        void SamplerChannel::fireEngineToBeChanged() {
232            for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
233                llEngineChangeListeners.GetListener(i)->EngineToBeChanged(Index());
234            }
235        }
236    
237      void SamplerChannel::fireEngineChanged() {      void SamplerChannel::fireEngineChanged() {
238          for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {          for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
239              llEngineChangeListeners.GetListener(i)->EngineChanged(Index());              llEngineChangeListeners.GetListener(i)->EngineChanged(Index());
# Line 261  namespace LinuxSampler { Line 279  namespace LinuxSampler {
279          }          }
280      }      }
281    
282        void Sampler::fireChannelAdded(SamplerChannel* pChannel) {
283            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
284                llChannelCountListeners.GetListener(i)->ChannelAdded(pChannel);
285            }
286        }
287    
288        void Sampler::fireChannelToBeRemoved(SamplerChannel* pChannel) {
289            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
290                llChannelCountListeners.GetListener(i)->ChannelToBeRemoved(pChannel);
291            }
292        }
293    
294      void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) {      void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) {
295          llAudioDeviceCountListeners.AddListener(l);          llAudioDeviceCountListeners.AddListener(l);
296      }      }
# Line 289  namespace LinuxSampler { Line 319  namespace LinuxSampler {
319          }          }
320      }      }
321    
322        void Sampler::fireMidiDeviceToBeDestroyed(MidiInputDevice* pDevice) {
323            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
324                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceToBeDestroyed(pDevice);
325            }
326        }
327    
328        void Sampler::fireMidiDeviceCreated(MidiInputDevice* pDevice) {
329            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
330                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCreated(pDevice);
331            }
332        }
333    
334      void Sampler::AddVoiceCountListener(VoiceCountListener* l) {      void Sampler::AddVoiceCountListener(VoiceCountListener* l) {
335          llVoiceCountListeners.AddListener(l);          llVoiceCountListeners.AddListener(l);
336      }      }
# Line 331  namespace LinuxSampler { Line 373  namespace LinuxSampler {
373          }          }
374      }      }
375    
376        void Sampler::AddTotalStreamCountListener(TotalStreamCountListener* l) {
377            llTotalStreamCountListeners.AddListener(l);
378        }
379    
380        void Sampler::RemoveTotalStreamCountListener(TotalStreamCountListener* l) {
381            llTotalStreamCountListeners.RemoveListener(l);
382        }
383    
384        void Sampler::fireTotalStreamCountChanged(int NewCount) {
385            for (int i = 0; i < llTotalStreamCountListeners.GetListenerCount(); i++) {
386                llTotalStreamCountListeners.GetListener(i)->TotalStreamCountChanged(NewCount);
387            }
388        }
389    
390      void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) {      void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) {
391          llTotalVoiceCountListeners.AddListener(l);          llTotalVoiceCountListeners.AddListener(l);
392      }      }
# Line 359  namespace LinuxSampler { Line 415  namespace LinuxSampler {
415          }          }
416      }      }
417    
418        void Sampler::EventHandler::EngineToBeChanged(int ChannelId) {
419            // nothing to do here
420        }
421    
422      void Sampler::EventHandler::EngineChanged(int ChannelId) {      void Sampler::EventHandler::EngineChanged(int ChannelId) {
423          EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel();          EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel();
424          if(engineChannel == NULL) return;          if(engineChannel == NULL) return;
# Line 375  namespace LinuxSampler { Line 435  namespace LinuxSampler {
435          if (!mSamplerChannels.size()) {          if (!mSamplerChannels.size()) {
436              SamplerChannel* pChannel = new SamplerChannel(this);              SamplerChannel* pChannel = new SamplerChannel(this);
437              mSamplerChannels[0] = pChannel;              mSamplerChannels[0] = pChannel;
438                fireChannelAdded(pChannel);
439              fireChannelCountChanged(1);              fireChannelCountChanged(1);
440              pChannel->AddEngineChangeListener(&eventHandler);              pChannel->AddEngineChangeListener(&eventHandler);
441              return pChannel;              return pChannel;
# Line 391  namespace LinuxSampler { Line 452  namespace LinuxSampler {
452                  // we found an unused index, so insert the new channel there                  // we found an unused index, so insert the new channel there
453                  SamplerChannel* pChannel = new SamplerChannel(this);                  SamplerChannel* pChannel = new SamplerChannel(this);
454                  mSamplerChannels[i] = pChannel;                  mSamplerChannels[i] = pChannel;
455                    fireChannelAdded(pChannel);
456                  fireChannelCountChanged(SamplerChannels());                  fireChannelCountChanged(SamplerChannels());
457                  pChannel->AddEngineChangeListener(&eventHandler);                  pChannel->AddEngineChangeListener(&eventHandler);
458                  return pChannel;                  return pChannel;
# Line 401  namespace LinuxSampler { Line 463  namespace LinuxSampler {
463          // 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
464          SamplerChannel* pChannel = new SamplerChannel(this);          SamplerChannel* pChannel = new SamplerChannel(this);
465          mSamplerChannels[lastIndex + 1] = pChannel;          mSamplerChannels[lastIndex + 1] = pChannel;
466            fireChannelAdded(pChannel);
467          fireChannelCountChanged(SamplerChannels());          fireChannelCountChanged(SamplerChannels());
468          pChannel->AddEngineChangeListener(&eventHandler);          pChannel->AddEngineChangeListener(&eventHandler);
469          return pChannel;          return pChannel;
# Line 418  namespace LinuxSampler { Line 481  namespace LinuxSampler {
481          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();
482          for (; iterChan != mSamplerChannels.end(); iterChan++) {          for (; iterChan != mSamplerChannels.end(); iterChan++) {
483              if (iterChan->second == pSamplerChannel) {              if (iterChan->second == pSamplerChannel) {
484                    fireChannelToBeRemoved(pSamplerChannel);
485                  pSamplerChannel->RemoveAllEngineChangeListeners();                  pSamplerChannel->RemoveAllEngineChangeListeners();
486                  mSamplerChannels.erase(iterChan);                  mSamplerChannels.erase(iterChan);
487                  delete pSamplerChannel;                  delete pSamplerChannel;
# Line 508  namespace LinuxSampler { Line 572  namespace LinuxSampler {
572                  for (uint i = 0; i < SamplerChannels(); i++)                  for (uint i = 0; i < SamplerChannels(); i++)
573                      if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw Exception("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.");
574    
575                    fireMidiDeviceToBeDestroyed(pDevice);
576    
577                  // disable device                  // disable device
578                  pDevice->StopListen();                  pDevice->StopListen();
579    
# Line 535  namespace LinuxSampler { Line 601  namespace LinuxSampler {
601                  }                  }
602          }          }
603    
604            fireMidiDeviceCreated(pDevice);
605          fireMidiDeviceCountChanged(MidiInputDevices());          fireMidiDeviceCountChanged(MidiInputDevices());
606          return pDevice;          return pDevice;
607      }      }
608    
609        int Sampler::GetDiskStreamCount() {
610            int count = 0;
611            std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();
612    
613            for(; it != EngineFactory::EngineInstances().end(); it++) {
614                count += (*it)->DiskStreamCount();
615            }
616    
617            return count;
618        }
619    
620      int Sampler::GetVoiceCount() {      int Sampler::GetVoiceCount() {
621          int count = 0;          int count = 0;
622          std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();          std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();
# Line 598  namespace LinuxSampler { Line 676  namespace LinuxSampler {
676              std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush;              std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush;
677              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
678          }          }
679    
680            // unload all instrument editor DLLs
681            InstrumentEditorFactory::ClosePlugins();
682        }
683    
684        bool Sampler::EnableDenormalsAreZeroMode() {
685            Features::detect();
686            return Features::enableDenormalsAreZeroMode();
687      }      }
688    
689  } // namespace LinuxSampler  } // namespace LinuxSampler
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