/[svn]/linuxsampler/trunk/src/audiothread.cpp
ViewVC logotype

Diff of /linuxsampler/trunk/src/audiothread.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 36 by schoenebeck, Fri Mar 5 13:46:15 2004 UTC revision 37 by schoenebeck, Wed Mar 10 22:01:36 2004 UTC
# Line 27  AudioThread::AudioThread(AudioIO* pAudio Line 27  AudioThread::AudioThread(AudioIO* pAudio
27      this->pDiskThread  = new DiskThread(((pAudioIO->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo      this->pDiskThread  = new DiskThread(((pAudioIO->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo
28      this->pInstrument  = NULL;      this->pInstrument  = NULL;
29      this->Pitch        = 0;      this->Pitch        = 0;
30        this->SustainPedal = 0;
31      Voice::pDiskThread = this->pDiskThread;      Voice::pDiskThread = this->pDiskThread;
32      Voice::pEngine     = this;      Voice::pEngine     = this;
33      pEventQueue        = new RingBuffer<ModulationSystem::Event>(MAX_EVENTS_PER_FRAGMENT);      pEventQueue        = new RingBuffer<ModulationSystem::Event>(MAX_EVENTS_PER_FRAGMENT);
# Line 34  AudioThread::AudioThread(AudioIO* pAudio Line 35  AudioThread::AudioThread(AudioIO* pAudio
35      pVoicePool         = new RTELMemoryPool<Voice>(MAX_AUDIO_VOICES);      pVoicePool         = new RTELMemoryPool<Voice>(MAX_AUDIO_VOICES);
36      pActiveKeys        = new RTELMemoryPool<uint>(128);      pActiveKeys        = new RTELMemoryPool<uint>(128);
37      pEvents            = new RTEList<ModulationSystem::Event>(pEventPool);      pEvents            = new RTEList<ModulationSystem::Event>(pEventPool);
38        pCCEvents          = new RTEList<ModulationSystem::Event>(pEventPool);
39      for (uint i = 0; i < ModulationSystem::destination_count; i++) {      for (uint i = 0; i < ModulationSystem::destination_count; i++) {
40          pCCEvents[i] = new RTEList<ModulationSystem::Event>(pEventPool);          pSynthesisEvents[i] = new RTEList<ModulationSystem::Event>(pEventPool);
41      }      }
42      for (uint i = 0; i < 128; i++) {      for (uint i = 0; i < 128; i++) {
43          pMIDIKeyInfo[i].pActiveVoices = new RTEList<Voice>(pVoicePool);          pMIDIKeyInfo[i].pActiveVoices = new RTEList<Voice>(pVoicePool);
# Line 62  AudioThread::AudioThread(AudioIO* pAudio Line 64  AudioThread::AudioThread(AudioIO* pAudio
64    
65      // initialize modulation system      // initialize modulation system
66      ModulationSystem::Initialize(pAudioIO->SampleRate(), pAudioIO->MaxSamplesPerCycle());      ModulationSystem::Initialize(pAudioIO->SampleRate(), pAudioIO->MaxSamplesPerCycle());
67        
68      // sustain pedal value      // set all MIDI controller values to zero
69      PrevHoldCCValue = 0;      memset(ControllerTable, 0x00, 128);
     SustainPedal    = 0;  
70    
71      SuspensionRequested = false;      SuspensionRequested = false;
72      pthread_mutex_init(&__render_state_mutex, NULL);      pthread_mutex_init(&__render_state_mutex, NULL);
# Line 89  AudioThread::~AudioThread() { Line 90  AudioThread::~AudioThread() {
90          if (pMIDIKeyInfo[i].pEvents)       delete pMIDIKeyInfo[i].pEvents;          if (pMIDIKeyInfo[i].pEvents)       delete pMIDIKeyInfo[i].pEvents;
91      }      }
92      for (uint i = 0; i < ModulationSystem::destination_count; i++) {      for (uint i = 0; i < ModulationSystem::destination_count; i++) {
93          if (pCCEvents[i]) delete pCCEvents[i];          if (pSynthesisEvents[i]) delete pSynthesisEvents[i];
94      }      }
95      delete[] pCCEvents;      delete[] pSynthesisEvents;
96      if (pEvents)     delete pEvents;      if (pEvents)     delete pEvents;
97        if (pCCEvents)   delete pCCEvents;
98      if (pEventQueue) delete pEventQueue;      if (pEventQueue) delete pEventQueue;
99      if (pEventPool)  delete pEventPool;      if (pEventPool)  delete pEventPool;
100      if (pVoicePool)  delete pVoicePool;      if (pVoicePool)  delete pVoicePool;
# Line 127  int AudioThread::RenderAudio(uint Sample Line 129  int AudioThread::RenderAudio(uint Sample
129    
130      // empty the event lists for the new fragment      // empty the event lists for the new fragment
131      pEvents->clear();      pEvents->clear();
132        pCCEvents->clear();
133      for (uint i = 0; i < ModulationSystem::destination_count; i++) {      for (uint i = 0; i < ModulationSystem::destination_count; i++) {
134          pCCEvents[i]->clear();          pSynthesisEvents[i]->clear();
135      }      }
136    
137      // read and copy events from input queue      // read and copy events from input queue
# Line 330  void AudioThread::ProcessPitchbend(Modul Line 333  void AudioThread::ProcessPitchbend(Modul
333      int currentPitch        = pPitchbendEvent->Pitch;      int currentPitch        = pPitchbendEvent->Pitch;
334      pPitchbendEvent->Pitch -= this->Pitch;  // convert to delta      pPitchbendEvent->Pitch -= this->Pitch;  // convert to delta
335      this->Pitch             = currentPitch; // store current absolute pitch value      this->Pitch             = currentPitch; // store current absolute pitch value
336      pEvents->move(pPitchbendEvent, pCCEvents[ModulationSystem::destination_vco]);      pEvents->move(pPitchbendEvent, pSynthesisEvents[ModulationSystem::destination_vco]);
337  }  }
338    
339  /**  /**
# Line 371  void AudioThread::ProcessControlChange(M Line 374  void AudioThread::ProcessControlChange(M
374    
375      switch (pControlChangeEvent->Controller) {      switch (pControlChangeEvent->Controller) {
376          case 64: {          case 64: {
377              if (pControlChangeEvent->Value >= 64 && PrevHoldCCValue < 64) {              if (pControlChangeEvent->Value >= 64 && !SustainPedal) {
378                  dmsg(4,("PEDAL DOWN\n"));                  dmsg(4,("PEDAL DOWN\n"));
379                  SustainPedal = true;                  SustainPedal = true;
380    
# Line 389  void AudioThread::ProcessControlChange(M Line 392  void AudioThread::ProcessControlChange(M
392                              else dmsg(1,("Event pool emtpy!\n"));                              else dmsg(1,("Event pool emtpy!\n"));
393                          }                          }
394                      }                      }
                     pEvents->free(pControlChangeEvent); // free the original event  
395                  }                  }
396              }              }
397              if (pControlChangeEvent->Value < 64 && PrevHoldCCValue >= 64) {              if (pControlChangeEvent->Value < 64 && SustainPedal) {
398                  dmsg(4,("PEDAL UP\n"));                  dmsg(4,("PEDAL UP\n"));
399                  SustainPedal = false;                  SustainPedal = false;
400    
# Line 410  void AudioThread::ProcessControlChange(M Line 412  void AudioThread::ProcessControlChange(M
412                              else dmsg(1,("Event pool emtpy!\n"));                              else dmsg(1,("Event pool emtpy!\n"));
413                          }                          }
414                      }                      }
                     pEvents->free(pControlChangeEvent); // free the original event  
415                  }                  }
   
416              }              }
             PrevHoldCCValue = pControlChangeEvent->Value;  
417              break;              break;
418          }          }
419      }      }
420        
421        // update controller value in the engine's controller table
422        ControllerTable[pControlChangeEvent->Controller] = pControlChangeEvent->Value;
423        
424        // move event from the unsorted event list to the control change event list
425        pEvents->move(pControlChangeEvent, pCCEvents);
426  }  }
427    
428  /**  /**
# Line 556  void AudioThread::Reset() { Line 561  void AudioThread::Reset() {
561   */   */
562  void AudioThread::ResetInternal() {  void AudioThread::ResetInternal() {
563      this->Pitch         = 0;      this->Pitch         = 0;
     PrevHoldCCValue     = 0; // sustain pedal value  
564      SustainPedal        = 0;      SustainPedal        = 0;
565      ActiveVoiceCount    = 0;      ActiveVoiceCount    = 0;
566      ActiveVoiceCountMax = 0;      ActiveVoiceCountMax = 0;
Legend:
Removed from v.36  
changed lines
  Added in v.37
  ViewVC Help
Powered by ViewVC