/[svn]/linuxsampler/trunk/src/Sampler.cpp
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Diff of /linuxsampler/trunk/src/Sampler.cpp

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revision 1541 by iliev, Tue Dec 4 18:09:26 2007 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 - 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 76  namespace LinuxSampler { Line 76  namespace LinuxSampler {
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 Exception("Unknown engine type");          if (!pNewEngineChannel) throw Exception("Unknown engine type");
# Line 225  namespace LinuxSampler { Line 227  namespace LinuxSampler {
227         llEngineChangeListeners.RemoveAllListeners();         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() {      void SamplerChannel::fireEngineChanged() {
237          for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {          for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
238              llEngineChangeListeners.GetListener(i)->EngineChanged(Index());              llEngineChangeListeners.GetListener(i)->EngineChanged(Index());
# Line 270  namespace LinuxSampler { Line 278  namespace LinuxSampler {
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) {      void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) {
294          llAudioDeviceCountListeners.AddListener(l);          llAudioDeviceCountListeners.AddListener(l);
295      }      }
# Line 382  namespace LinuxSampler { Line 402  namespace LinuxSampler {
402          }          }
403      }      }
404    
405        void Sampler::EventHandler::EngineToBeChanged(int ChannelId) {
406            // nothing to do here
407        }
408    
409      void Sampler::EventHandler::EngineChanged(int ChannelId) {      void Sampler::EventHandler::EngineChanged(int ChannelId) {
410          EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel();          EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel();
411          if(engineChannel == NULL) return;          if(engineChannel == NULL) return;
# Line 398  namespace LinuxSampler { Line 422  namespace LinuxSampler {
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                fireChannelAdded(pChannel);
426              fireChannelCountChanged(1);              fireChannelCountChanged(1);
427              pChannel->AddEngineChangeListener(&eventHandler);              pChannel->AddEngineChangeListener(&eventHandler);
428              return pChannel;              return pChannel;
# Line 414  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                    fireChannelAdded(pChannel);
443                  fireChannelCountChanged(SamplerChannels());                  fireChannelCountChanged(SamplerChannels());
444                  pChannel->AddEngineChangeListener(&eventHandler);                  pChannel->AddEngineChangeListener(&eventHandler);
445                  return pChannel;                  return pChannel;
# Line 424  namespace LinuxSampler { Line 450  namespace LinuxSampler {
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            fireChannelAdded(pChannel);
454          fireChannelCountChanged(SamplerChannels());          fireChannelCountChanged(SamplerChannels());
455          pChannel->AddEngineChangeListener(&eventHandler);          pChannel->AddEngineChangeListener(&eventHandler);
456          return pChannel;          return pChannel;
# Line 441  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();                  pSamplerChannel->RemoveAllEngineChangeListeners();
473                  mSamplerChannels.erase(iterChan);                  mSamplerChannels.erase(iterChan);
474                  delete pSamplerChannel;                  delete pSamplerChannel;

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