/[svn]/linuxsampler/trunk/src/engines/EngineBase.h
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Diff of /linuxsampler/trunk/src/engines/EngineBase.h

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revision 2121 by schoenebeck, Tue Sep 14 17:09:08 2010 UTC revision 2434 by schoenebeck, Thu Mar 7 19:23:24 2013 UTC
# Line 4  Line 4 
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) 2005-2008 Christian Schoenebeck                         *   *   Copyright (C) 2005-2008 Christian Schoenebeck                         *
7   *   Copyright (C) 2009-2010 Christian Schoenebeck and Grigor Iliev        *   *   Copyright (C) 2009-2013 Christian Schoenebeck and Grigor Iliev        *
8   *                                                                         *   *                                                                         *
9   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
10   *   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 104  namespace LinuxSampler { Line 104  namespace LinuxSampler {
104               *  @param Samples - number of sample points to be rendered               *  @param Samples - number of sample points to be rendered
105               *  @returns       0 on success               *  @returns       0 on success
106               */               */
107              virtual int RenderAudio(uint Samples) {              virtual int RenderAudio(uint Samples) OVERRIDE {
108                  dmsg(8,("RenderAudio(Samples=%d)\n", Samples));                  dmsg(8,("RenderAudio(Samples=%d)\n", Samples));
109    
110                  // return if engine disabled                  // return if engine disabled
# Line 190  namespace LinuxSampler { Line 190  namespace LinuxSampler {
190                  // been deleted by the disk thread                  // been deleted by the disk thread
191                  if (iPendingStreamDeletions) ProcessPendingStreamDeletions();                  if (iPendingStreamDeletions) ProcessPendingStreamDeletions();
192    
193                    // Release the instrument change command. (This has to
194                    // be done after all voices have been rendered and not
195                    // in HandleInstrumentChanges, as the RegionsInUse
196                    // list has been built up by the voice renderers.)
197                    for (int i = 0; i < engineChannels.size(); i++) {
198                        EngineChannelBase<V, R, I>* channel =
199                            static_cast<EngineChannelBase<V, R, I>*>(engineChannels[i]);
200                        channel->InstrumentChangeCommandReader.Unlock();
201                    }
202                  FrameTime += Samples;                  FrameTime += Samples;
203    
204                  EngineDisabled.RttDone();                  EngineDisabled.RttDone();
205                  return 0;                  return 0;
206              }              }
207    
208              virtual int MaxVoices() { return pVoicePool->poolSize(); }              virtual int MaxVoices() OVERRIDE { return pVoicePool->poolSize(); }
209    
210              virtual void SetMaxVoices(int iVoices) throw (Exception) {              virtual void SetMaxVoices(int iVoices) throw (Exception) OVERRIDE {
211                  if (iVoices < 1)                  if (iVoices < 1)
212                      throw Exception("Maximum voices for an engine cannot be set lower than 1");                      throw Exception("Maximum voices for an engine cannot be set lower than 1");
213    
# Line 234  namespace LinuxSampler { Line 243  namespace LinuxSampler {
243                  }                  }
244                  pVoicePool->clear();                  pVoicePool->clear();
245    
246                    PostSetMaxVoices(iVoices);
247                  ResumeAll();                  ResumeAll();
248              }              }
249                
250                /** Called after the new max number of voices is set and before resuming the engine. */
251                virtual void PostSetMaxVoices(int iVoices) { }
252    
253              virtual uint DiskStreamCount() { return (pDiskThread) ? pDiskThread->GetActiveStreamCount() : 0; }              virtual uint DiskStreamCount() OVERRIDE { return (pDiskThread) ? pDiskThread->GetActiveStreamCount() : 0; }
254              virtual uint DiskStreamCountMax() { return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0; }              virtual uint DiskStreamCountMax() OVERRIDE { return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0; }
255              virtual int  MaxDiskStreams() { return iMaxDiskStreams; }              virtual int  MaxDiskStreams() OVERRIDE { return iMaxDiskStreams; }
256    
257              virtual void SetMaxDiskStreams(int iStreams) throw (Exception) {              virtual void SetMaxDiskStreams(int iStreams) throw (Exception) OVERRIDE {
258                  if (iStreams < 0)                  if (iStreams < 0)
259                      throw Exception("Maximum disk streams for an engine cannot be set lower than 0");                      throw Exception("Maximum disk streams for an engine cannot be set lower than 0");
260    
# Line 256  namespace LinuxSampler { Line 269  namespace LinuxSampler {
269                  ResumeAll();                  ResumeAll();
270              }              }
271    
272              virtual String DiskStreamBufferFillBytes() { return (pDiskThread) ? pDiskThread->GetBufferFillBytes() : ""; }              virtual String DiskStreamBufferFillBytes() OVERRIDE { return (pDiskThread) ? pDiskThread->GetBufferFillBytes() : ""; }
273              virtual String DiskStreamBufferFillPercentage() { return (pDiskThread) ? pDiskThread->GetBufferFillPercentage() : ""; }              virtual String DiskStreamBufferFillPercentage() OVERRIDE { return (pDiskThread) ? pDiskThread->GetBufferFillPercentage() : ""; }
274              virtual InstrumentManager* GetInstrumentManager() { return &instruments; }              virtual InstrumentManager* GetInstrumentManager() OVERRIDE { return &instruments; }
275    
276              /**              /**
277               * Connect this engine instance with the given audio output device.               * Connect this engine instance with the given audio output device.
# Line 269  namespace LinuxSampler { Line 282  namespace LinuxSampler {
282               *               *
283               * @param pAudioOut - audio output device to connect to               * @param pAudioOut - audio output device to connect to
284               */               */
285              virtual void Connect(AudioOutputDevice* pAudioOut) {              virtual void Connect(AudioOutputDevice* pAudioOut) OVERRIDE {
286                  // caution: don't ignore if connecting to the same device here,                  // caution: don't ignore if connecting to the same device here,
287                  // because otherwise SetMaxDiskStreams() implementation won't work anymore!                  // because otherwise SetMaxDiskStreams() implementation won't work anymore!
288    
# Line 299  namespace LinuxSampler { Line 312  namespace LinuxSampler {
312                      // lower minimum release time                      // lower minimum release time
313                      const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;                      const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;
314                      for (VoiceIterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {                      for (VoiceIterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
315                          iterVoice->pEG1->CalculateFadeOutCoeff(minReleaseTime, SampleRate);                          iterVoice->CalculateFadeOutCoeff(minReleaseTime, SampleRate);
316                      }                      }
317                      pVoicePool->clear();                      pVoicePool->clear();
318                  }                  }
# Line 332  namespace LinuxSampler { Line 345  namespace LinuxSampler {
345                  pDiskThread->StartThread();                  pDiskThread->StartThread();
346                  dmsg(1,("OK\n"));                  dmsg(1,("OK\n"));
347    
348                    bool printEqInfo = true;
349                  for (VoiceIterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {                  for (VoiceIterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
350                      if (!iterVoice->pDiskThread) {                      if (!iterVoice->pDiskThread) {
351                          dmsg(0,("Engine -> voice::trigger: !pDiskThread\n"));                          dmsg(0,("Engine -> voice::trigger: !pDiskThread\n"));
352                          exit(EXIT_FAILURE);                          exit(EXIT_FAILURE);
353                      }                      }
354                        
355                        iterVoice->CreateEq();
356                        
357                        if(printEqInfo) {
358                            iterVoice->PrintEqInfo();
359                            printEqInfo = false;
360                        }
361                  }                  }
362                  pVoicePool->clear();                  pVoicePool->clear();
363                                    
# Line 347  namespace LinuxSampler { Line 368  namespace LinuxSampler {
368                  pDedicatedVoiceChannelLeft  = new AudioChannel(0, MaxSamplesPerCycle);                  pDedicatedVoiceChannelLeft  = new AudioChannel(0, MaxSamplesPerCycle);
369                  pDedicatedVoiceChannelRight = new AudioChannel(1, MaxSamplesPerCycle);                  pDedicatedVoiceChannelRight = new AudioChannel(1, MaxSamplesPerCycle);
370              }              }
371            
372                // Implementattion for abstract method derived from Engine.
373                virtual void ReconnectAudioOutputDevice() OVERRIDE {
374                    SuspendAll();
375                    if (pAudioOutputDevice) Connect(pAudioOutputDevice);
376                    ResumeAll();
377                }
378    
379              /**              /**
380               * Similar to @c Disable() but this method additionally kills all voices               * Similar to @c Disable() but this method additionally kills all voices
# Line 401  namespace LinuxSampler { Line 429  namespace LinuxSampler {
429               */               */
430              virtual void Suspend(RR* pRegion) {              virtual void Suspend(RR* pRegion) {
431                  dmsg(2,("EngineBase: Suspending Region %x ...\n",pRegion));                  dmsg(2,("EngineBase: Suspending Region %x ...\n",pRegion));
432                  SuspendedRegionsMutex.Lock();                  {
433                  SuspensionChangeOngoing.Set(true);                      LockGuard lock(SuspendedRegionsMutex);
434                  pPendingRegionSuspension = pRegion;                      SuspensionChangeOngoing.Set(true);
435                  SuspensionChangeOngoing.WaitAndUnlockIf(true);                      pPendingRegionSuspension = pRegion;
436                  SuspendedRegionsMutex.Unlock();                      SuspensionChangeOngoing.WaitAndUnlockIf(true);
437                    }
438                  dmsg(2,("EngineBase: Region %x suspended.",pRegion));                  dmsg(2,("EngineBase: Region %x suspended.",pRegion));
439              }              }
440    
# Line 417  namespace LinuxSampler { Line 446  namespace LinuxSampler {
446               */               */
447              virtual void Resume(RR* pRegion) {              virtual void Resume(RR* pRegion) {
448                  dmsg(2,("EngineBase: Resuming Region %x ...\n",pRegion));                  dmsg(2,("EngineBase: Resuming Region %x ...\n",pRegion));
449                  SuspendedRegionsMutex.Lock();                  {
450                  SuspensionChangeOngoing.Set(true);                      LockGuard lock(SuspendedRegionsMutex);
451                  pPendingRegionResumption = pRegion;                      SuspensionChangeOngoing.Set(true);
452                  SuspensionChangeOngoing.WaitAndUnlockIf(true);                      pPendingRegionResumption = pRegion;
453                  SuspendedRegionsMutex.Unlock();                      SuspensionChangeOngoing.WaitAndUnlockIf(true);
454                    }
455                  dmsg(2,("EngineBase: Region %x resumed.\n",pRegion));                  dmsg(2,("EngineBase: Region %x resumed.\n",pRegion));
456              }              }
457    
# Line 537  namespace LinuxSampler { Line 567  namespace LinuxSampler {
567    
568              //friend class EngineChannelBase<V, R, I>;              //friend class EngineChannelBase<V, R, I>;
569    
570                static IM instruments;
571    
572          protected:          protected:
573              class SuspensionVoiceHandler : public MidiKeyboardManager<V>::VoiceHandler {              class SuspensionVoiceHandler : public MidiKeyboardManager<V>::VoiceHandler {
574              public:              public:
575                  int PendingStreamDeletions;                  int PendingStreamDeletions;
576                  RR* pPendingRegionSuspension;                  RR* pPendingRegionSuspension;
577    
578                  SuspensionVoiceHandler(RR* pPendingRegionSuspension) {                  SuspensionVoiceHandler(RR* pPendingRegionSuspension) {
579                      PendingStreamDeletions = 0;                      PendingStreamDeletions = 0;
580                      this->pPendingRegionSuspension = pPendingRegionSuspension;                      this->pPendingRegionSuspension = pPendingRegionSuspension;
581                  }                  }
582    
583                  virtual bool Process(MidiKey* pMidiKey) {                  virtual bool Process(MidiKey* pMidiKey) OVERRIDE {
584                      VoiceIterator itVoice = pMidiKey->pActiveVoices->first();                      VoiceIterator itVoice = pMidiKey->pActiveVoices->first();
585                      // if current key is not associated with this region, skip this key                      // if current key is not associated with this region, skip this key
586                      if (itVoice->GetRegion()->GetParent() != pPendingRegionSuspension) return false;                      if (itVoice->GetRegion()->GetParent() != pPendingRegionSuspension) return false;
# Line 555  namespace LinuxSampler { Line 588  namespace LinuxSampler {
588                      return true;                      return true;
589                  }                  }
590    
591                  virtual void Process(VoiceIterator& itVoice) {                  virtual void Process(VoiceIterator& itVoice) OVERRIDE {
592                      // request a notification from disk thread side for stream deletion                      // request a notification from disk thread side for stream deletion
593                      const Stream::Handle hStream = itVoice->KillImmediately(true);                      const Stream::Handle hStream = itVoice->KillImmediately(true);
594                      if (hStream != Stream::INVALID_HANDLE) { // voice actually used a stream                      if (hStream != Stream::INVALID_HANDLE) { // voice actually used a stream
# Line 565  namespace LinuxSampler { Line 598  namespace LinuxSampler {
598                  }                  }
599              };              };
600    
             static IM instruments;  
   
601              Pool<R*>* pRegionPool[2]; ///< Double buffered pool, used by the engine channels to keep track of regions in use.              Pool<R*>* pRegionPool[2]; ///< Double buffered pool, used by the engine channels to keep track of regions in use.
602              int       MinFadeOutSamples;     ///< The number of samples needed to make an instant fade out (e.g. for voice stealing) without leading to clicks.              int       MinFadeOutSamples;     ///< The number of samples needed to make an instant fade out (e.g. for voice stealing) without leading to clicks.
603              D*        pDiskThread;              D*        pDiskThread;
# Line 772  namespace LinuxSampler { Line 803  namespace LinuxSampler {
803                      //TODO: this is a lazy solution ATM and not safe in case somebody is currently editing the instrument we're currently switching to (we should store all suspended regions on instrument manager side and when switching to another instrument copy that list to the engine's local list of suspensions                      //TODO: this is a lazy solution ATM and not safe in case somebody is currently editing the instrument we're currently switching to (we should store all suspended regions on instrument manager side and when switching to another instrument copy that list to the engine's local list of suspensions
804                      ResetSuspendedRegions();                      ResetSuspendedRegions();
805                  }                  }
   
                 for (int i = 0; i < engineChannels.size(); i++) {  
                     EngineChannelBase<V, R, I>* channel =  
                         static_cast<EngineChannelBase<V, R, I>*>(engineChannels[i]);  
                     channel->InstrumentChangeCommandReader.Unlock();  
                 }  
806              }              }
807    
808              /**              /**
# Line 953  namespace LinuxSampler { Line 978  namespace LinuxSampler {
978                      }                      }
979                      case 10: { // panpot                      case 10: { // panpot
980                          //TODO: not sample accurate yet                          //TODO: not sample accurate yet
                         pChannel->GlobalPanLeft  = PanCurve[128 - itControlChangeEvent->Param.CC.Value];  
                         pChannel->GlobalPanRight = PanCurve[itControlChangeEvent->Param.CC.Value];  
981                          pChannel->iLastPanRequest = itControlChangeEvent->Param.CC.Value;                          pChannel->iLastPanRequest = itControlChangeEvent->Param.CC.Value;
982                          break;                          break;
983                      }                      }
# Line 1305  namespace LinuxSampler { Line 1328  namespace LinuxSampler {
1328               *  control and status variables. This method is protected by a mutex.               *  control and status variables. This method is protected by a mutex.
1329               */               */
1330              virtual void ResetInternal() {              virtual void ResetInternal() {
1331                  ResetInternalMutex.Lock();                  LockGuard lock(ResetInternalMutex);
1332    
1333                  // make sure that the engine does not get any sysex messages                  // make sure that the engine does not get any sysex messages
1334                  // while it's reseting                  // while it's reseting
# Line 1334  namespace LinuxSampler { Line 1357  namespace LinuxSampler {
1357                  pEventQueue->init();                  pEventQueue->init();
1358                  pSysexBuffer->init();                  pSysexBuffer->init();
1359                  if (sysexDisabled) MidiInputPort::AddSysexListener(this);                  if (sysexDisabled) MidiInputPort::AddSysexListener(this);
                 ResetInternalMutex.Unlock();  
1360              }              }
1361    
1362              /**              /**
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