/[svn]/linuxsampler/trunk/src/Sampler.cpp
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revision 900 by schoenebeck, Wed Jul 5 17:53:22 2006 UTC revision 1130 by iliev, Sun Mar 25 18:59:14 2007 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, 2006 Christian Schoenebeck                        *   *   Copyright (C) 2005 - 2007 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 29  Line 29 
29  #include "engines/EngineChannelFactory.h"  #include "engines/EngineChannelFactory.h"
30  #include "drivers/audio/AudioOutputDeviceFactory.h"  #include "drivers/audio/AudioOutputDeviceFactory.h"
31  #include "drivers/midi/MidiInputDeviceFactory.h"  #include "drivers/midi/MidiInputDeviceFactory.h"
32  #include "network/lscpserver.h"  #include "drivers/midi/MidiInstrumentMapper.h"
33    
34  namespace LinuxSampler {  namespace LinuxSampler {
35    
# Line 103  namespace LinuxSampler { Line 103  namespace LinuxSampler {
103          this->iMidiPort        = 0;          this->iMidiPort        = 0;
104    
105          pEngineChannel->StatusChanged(true);          pEngineChannel->StatusChanged(true);
106            fireEngineChanged();
107          dmsg(2,("OK\n"));          dmsg(2,("OK\n"));
108      }      }
109    
110      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {
111            if(pAudioOutputDevice == pDevice) return;
112    
113          // disconnect old device          // disconnect old device
114          if (pAudioOutputDevice && pEngineChannel) {          if (pAudioOutputDevice && pEngineChannel) {
115              Engine* engine = pEngineChannel->GetEngine();              Engine* engine = pEngineChannel->GetEngine();
# Line 202  namespace LinuxSampler { Line 204  namespace LinuxSampler {
204          throw Exception("Internal error: SamplerChannel index not found");          throw Exception("Internal error: SamplerChannel index not found");
205      }      }
206    
207        void SamplerChannel::AddEngineChangeListener(EngineChangeListener* l) {
208            llEngineChangeListeners.AddListener(l);
209        }
210    
211        void SamplerChannel::RemoveEngineChangeListener(EngineChangeListener* l) {
212           llEngineChangeListeners.RemoveListener(l);
213        }
214    
215        void SamplerChannel::RemoveAllEngineChangeListeners() {
216           llEngineChangeListeners.RemoveAllListeners();
217        }
218    
219        void SamplerChannel::fireEngineChanged() {
220            for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
221                llEngineChangeListeners.GetListener(i)->EngineChanged(Index());
222            }
223        }
224    
225      MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) {      MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) {
226          MidiInputPort* pMidiInputPort = NULL;          MidiInputPort* pMidiInputPort = NULL;
227          MidiInputDevice* pMidiInputDevice = GetMidiInputDevice();          MidiInputDevice* pMidiInputDevice = GetMidiInputDevice();
# Line 216  namespace LinuxSampler { Line 236  namespace LinuxSampler {
236      // * Sampler      // * Sampler
237    
238      Sampler::Sampler() {      Sampler::Sampler() {
239            eventHandler.SetSampler(this);
240      }      }
241    
242      Sampler::~Sampler() {      Sampler::~Sampler() {
# Line 226  namespace LinuxSampler { Line 247  namespace LinuxSampler {
247          return mSamplerChannels.size();          return mSamplerChannels.size();
248      }      }
249    
250        void Sampler::AddChannelCountListener(ChannelCountListener* l) {
251            llChannelCountListeners.AddListener(l);
252        }
253    
254        void Sampler::RemoveChannelCountListener(ChannelCountListener* l) {
255           llChannelCountListeners.RemoveListener(l);
256        }
257    
258        void Sampler::fireChannelCountChanged(int NewCount) {
259            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
260                llChannelCountListeners.GetListener(i)->ChannelCountChanged(NewCount);
261            }
262        }
263    
264        void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) {
265            llAudioDeviceCountListeners.AddListener(l);
266        }
267    
268        void Sampler::RemoveAudioDeviceCountListener(AudioDeviceCountListener* l) {
269            llAudioDeviceCountListeners.RemoveListener(l);
270        }
271    
272        void Sampler::fireAudioDeviceCountChanged(int NewCount) {
273            for (int i = 0; i < llAudioDeviceCountListeners.GetListenerCount(); i++) {
274                llAudioDeviceCountListeners.GetListener(i)->AudioDeviceCountChanged(NewCount);
275            }
276        }
277    
278        void Sampler::AddMidiDeviceCountListener(MidiDeviceCountListener* l) {
279            llMidiDeviceCountListeners.AddListener(l);
280        }
281    
282        void Sampler::RemoveMidiDeviceCountListener(MidiDeviceCountListener* l) {
283            llMidiDeviceCountListeners.RemoveListener(l);
284        }
285    
286        void Sampler::fireMidiDeviceCountChanged(int NewCount) {
287            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
288                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCountChanged(NewCount);
289            }
290        }
291    
292        void Sampler::AddVoiceCountListener(VoiceCountListener* l) {
293            llVoiceCountListeners.AddListener(l);
294        }
295    
296        void Sampler::RemoveVoiceCountListener(VoiceCountListener* l) {
297            llVoiceCountListeners.RemoveListener(l);
298        }
299    
300        void Sampler::fireVoiceCountChanged(int ChannelId, int NewCount) {
301            for (int i = 0; i < llVoiceCountListeners.GetListenerCount(); i++) {
302                llVoiceCountListeners.GetListener(i)->VoiceCountChanged(ChannelId, NewCount);
303            }
304        }
305    
306        void Sampler::AddStreamCountListener(StreamCountListener* l) {
307            llStreamCountListeners.AddListener(l);
308        }
309    
310        void Sampler::RemoveStreamCountListener(StreamCountListener* l) {
311            llStreamCountListeners.RemoveListener(l);
312        }
313    
314        void Sampler::fireStreamCountChanged(int ChannelId, int NewCount) {
315            for (int i = 0; i < llStreamCountListeners.GetListenerCount(); i++) {
316                llStreamCountListeners.GetListener(i)->StreamCountChanged(ChannelId, NewCount);
317            }
318        }
319    
320        void Sampler::AddBufferFillListener(BufferFillListener* l) {
321            llBufferFillListeners.AddListener(l);
322        }
323    
324        void Sampler::RemoveBufferFillListener(BufferFillListener* l) {
325            llBufferFillListeners.RemoveListener(l);
326        }
327    
328        void Sampler::fireBufferFillChanged(int ChannelId, String FillData) {
329            for (int i = 0; i < llBufferFillListeners.GetListenerCount(); i++) {
330                llBufferFillListeners.GetListener(i)->BufferFillChanged(ChannelId, FillData);
331            }
332        }
333    
334        void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) {
335            llTotalVoiceCountListeners.AddListener(l);
336        }
337    
338        void Sampler::RemoveTotalVoiceCountListener(TotalVoiceCountListener* l) {
339            llTotalVoiceCountListeners.RemoveListener(l);
340        }
341    
342        void Sampler::fireTotalVoiceCountChanged(int NewCount) {
343            for (int i = 0; i < llTotalVoiceCountListeners.GetListenerCount(); i++) {
344                llTotalVoiceCountListeners.GetListener(i)->TotalVoiceCountChanged(NewCount);
345            }
346        }
347    
348        void Sampler::AddFxSendCountListener(FxSendCountListener* l) {
349            llFxSendCountListeners.AddListener(l);
350        }
351    
352        void Sampler::RemoveFxSendCountListener(FxSendCountListener* l) {
353            llFxSendCountListeners.RemoveListener(l);
354        }
355    
356        void Sampler::fireFxSendCountChanged(int ChannelId, int NewCount) {
357            for (int i = 0; i < llFxSendCountListeners.GetListenerCount(); i++) {
358                llFxSendCountListeners.GetListener(i)->FxSendCountChanged(ChannelId, NewCount);
359            }
360        }
361    
362        void Sampler::EventHandler::EngineChanged(int ChannelId) {
363            EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel();
364            if(engineChannel == NULL) return;
365            engineChannel->AddFxSendCountListener(this);
366        }
367    
368        void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) {
369            pSampler->fireFxSendCountChanged(ChannelId, NewCount);
370        }
371    
372    
373      SamplerChannel* Sampler::AddSamplerChannel() {      SamplerChannel* Sampler::AddSamplerChannel() {
374          // if there's no sampler channel yet          // if there's no sampler channel yet
375          if (!mSamplerChannels.size()) {          if (!mSamplerChannels.size()) {
376              SamplerChannel* pChannel = new SamplerChannel(this);              SamplerChannel* pChannel = new SamplerChannel(this);
377              mSamplerChannels[0] = pChannel;              mSamplerChannels[0] = pChannel;
378              LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, 1));              fireChannelCountChanged(1);
379                pChannel->AddEngineChangeListener(&eventHandler);
380              return pChannel;              return pChannel;
381          }          }
382    
# Line 246  namespace LinuxSampler { Line 391  namespace LinuxSampler {
391                  // we found an unused index, so insert the new channel there                  // we found an unused index, so insert the new channel there
392                  SamplerChannel* pChannel = new SamplerChannel(this);                  SamplerChannel* pChannel = new SamplerChannel(this);
393                  mSamplerChannels[i] = pChannel;                  mSamplerChannels[i] = pChannel;
394                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, i));                  fireChannelCountChanged(SamplerChannels());
395                    pChannel->AddEngineChangeListener(&eventHandler);
396                  return pChannel;                  return pChannel;
397              }              }
398              throw Exception("Internal error: could not find unoccupied sampler channel index.");              throw Exception("Internal error: could not find unoccupied sampler channel index.");
# Line 255  namespace LinuxSampler { Line 401  namespace LinuxSampler {
401          // 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
402          SamplerChannel* pChannel = new SamplerChannel(this);          SamplerChannel* pChannel = new SamplerChannel(this);
403          mSamplerChannels[lastIndex + 1] = pChannel;          mSamplerChannels[lastIndex + 1] = pChannel;
404          LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, lastIndex + 1));          fireChannelCountChanged(SamplerChannels());
405            pChannel->AddEngineChangeListener(&eventHandler);
406          return pChannel;          return pChannel;
407      }      }
408    
# Line 271  namespace LinuxSampler { Line 418  namespace LinuxSampler {
418          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();
419          for (; iterChan != mSamplerChannels.end(); iterChan++) {          for (; iterChan != mSamplerChannels.end(); iterChan++) {
420              if (iterChan->second == pSamplerChannel) {              if (iterChan->second == pSamplerChannel) {
421                    pSamplerChannel->RemoveAllEngineChangeListeners();
422                  mSamplerChannels.erase(iterChan);                  mSamplerChannels.erase(iterChan);
423                  delete pSamplerChannel;                  delete pSamplerChannel;
424                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, mSamplerChannels.size()));                  fireChannelCountChanged(SamplerChannels());
425                  return;                  return;
426              }              }
427          }          }
# Line 309  namespace LinuxSampler { Line 457  namespace LinuxSampler {
457              }              }
458          }          }
459    
460            fireAudioDeviceCountChanged(AudioOutputDevices());
461          return pDevice;          return pDevice;
462      }      }
463    
# Line 345  namespace LinuxSampler { Line 494  namespace LinuxSampler {
494                  // destroy and free device from memory                  // destroy and free device from memory
495                  delete pDevice;                  delete pDevice;
496    
497                    fireAudioDeviceCountChanged(AudioOutputDevices());
498                  break;                  break;
499              }              }
500          }          }
# Line 367  namespace LinuxSampler { Line 517  namespace LinuxSampler {
517                  // destroy and free device from memory                  // destroy and free device from memory
518                  delete pDevice;                  delete pDevice;
519    
520                    fireMidiDeviceCountChanged(MidiInputDevices());
521                  break;                  break;
522              }              }
523          }          }
# Line 384  namespace LinuxSampler { Line 535  namespace LinuxSampler {
535                  }                  }
536          }          }
537    
538            fireMidiDeviceCountChanged(MidiInputDevices());
539          return pDevice;          return pDevice;
540      }      }
541    
# Line 437  namespace LinuxSampler { Line 589  namespace LinuxSampler {
589              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;
590              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
591          }          }
592    
593            // delete MIDI instrument maps
594            try {
595                MidiInstrumentMapper::RemoveAllMaps();
596            }
597            catch(...) {
598                std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush;
599                exit(EXIT_FAILURE);
600            }
601      }      }
602    
603  } // namespace LinuxSampler  } // namespace LinuxSampler
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