/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
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Diff of /linuxsampler/trunk/src/engines/gig/Engine.cpp

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revision 53 by schoenebeck, Mon Apr 26 17:15:51 2004 UTC revision 250 by schoenebeck, Mon Sep 20 00:31:13 2004 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003 by Benno Senoner and Christian Schoenebeck         *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *                                                                         *   *                                                                         *
7   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
8   *   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 37  namespace LinuxSampler { namespace gig { Line 37  namespace LinuxSampler { namespace gig {
37          pAudioOutputDevice = NULL;          pAudioOutputDevice = NULL;
38          pDiskThread        = NULL;          pDiskThread        = NULL;
39          pEventGenerator    = NULL;          pEventGenerator    = NULL;
40          pEventQueue        = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT);          pSysexBuffer       = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0);
41            pEventQueue        = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0);
42          pEventPool         = new RTELMemoryPool<Event>(MAX_EVENTS_PER_FRAGMENT);          pEventPool         = new RTELMemoryPool<Event>(MAX_EVENTS_PER_FRAGMENT);
43          pVoicePool         = new RTELMemoryPool<Voice>(MAX_AUDIO_VOICES);          pVoicePool         = new RTELMemoryPool<Voice>(MAX_AUDIO_VOICES);
44          pActiveKeys        = new RTELMemoryPool<uint>(128);          pActiveKeys        = new RTELMemoryPool<uint>(128);
45            pVoiceStealingQueue = new RTEList<Event>(pEventPool);
46          pEvents            = new RTEList<Event>(pEventPool);          pEvents            = new RTEList<Event>(pEventPool);
47          pCCEvents          = new RTEList<Event>(pEventPool);          pCCEvents          = new RTEList<Event>(pEventPool);
48          for (uint i = 0; i < Event::destination_count; i++) {          for (uint i = 0; i < Event::destination_count; i++) {
49              pSynthesisEvents[i] = new RTEList<Event>(pEventPool);              pSynthesisEvents[i] = new RTEList<Event>(pEventPool);
50          }          }
51          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
52              pMIDIKeyInfo[i].pActiveVoices = new RTEList<Voice>(pVoicePool);              pMIDIKeyInfo[i].pActiveVoices  = new RTEList<Voice>(pVoicePool);
53              pMIDIKeyInfo[i].KeyPressed    = false;              pMIDIKeyInfo[i].KeyPressed     = false;
54              pMIDIKeyInfo[i].Active        = false;              pMIDIKeyInfo[i].Active         = false;
55              pMIDIKeyInfo[i].pSelf         = NULL;              pMIDIKeyInfo[i].ReleaseTrigger = false;
56              pMIDIKeyInfo[i].pEvents       = new RTEList<Event>(pEventPool);              pMIDIKeyInfo[i].pSelf          = NULL;
57                pMIDIKeyInfo[i].pEvents        = new RTEList<Event>(pEventPool);
58          }          }
59          for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) {          for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) {
60              pVoice->SetEngine(this);              pVoice->SetEngine(this);
# Line 59  namespace LinuxSampler { namespace gig { Line 62  namespace LinuxSampler { namespace gig {
62          pVoicePool->clear();          pVoicePool->clear();
63    
64          pSynthesisParameters[0] = NULL; // we allocate when an audio device is connected          pSynthesisParameters[0] = NULL; // we allocate when an audio device is connected
65            pBasicFilterParameters  = NULL;
66            pMainFilterParameters   = NULL;
67    
68            InstrumentIdx = -1;
69            InstrumentStat = -1;
70    
71            AudioDeviceChannelLeft  = -1;
72            AudioDeviceChannelRight = -1;
73    
74          ResetInternal();          ResetInternal();
75      }      }
# Line 84  namespace LinuxSampler { namespace gig { Line 95  namespace LinuxSampler { namespace gig {
95          if (pEventPool)  delete pEventPool;          if (pEventPool)  delete pEventPool;
96          if (pVoicePool)  delete pVoicePool;          if (pVoicePool)  delete pVoicePool;
97          if (pActiveKeys) delete pActiveKeys;          if (pActiveKeys) delete pActiveKeys;
98            if (pSysexBuffer) delete pSysexBuffer;
99          if (pEventGenerator) delete pEventGenerator;          if (pEventGenerator) delete pEventGenerator;
100            if (pMainFilterParameters) delete[] pMainFilterParameters;
101            if (pBasicFilterParameters) delete[] pBasicFilterParameters;
102          if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0];          if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0];
103            if (pVoiceStealingQueue) delete pVoiceStealingQueue;
104      }      }
105    
106      void Engine::Enable() {      void Engine::Enable() {
107          dmsg(3,("gig::Engine: enabling\n"));          dmsg(3,("gig::Engine: enabling\n"));
108          EngineDisabled.PushAndUnlock(false, 2); // set condition object 'EngineDisabled' to false (wait max. 2s)          EngineDisabled.PushAndUnlock(false, 2); // set condition object 'EngineDisabled' to false (wait max. 2s)
109          dmsg(1,("gig::Engine: enabled (val=%d)\n", EngineDisabled.GetUnsafe()));          dmsg(3,("gig::Engine: enabled (val=%d)\n", EngineDisabled.GetUnsafe()));
110      }      }
111    
112      void Engine::Disable() {      void Engine::Disable() {
# Line 142  namespace LinuxSampler { namespace gig { Line 157  namespace LinuxSampler { namespace gig {
157          SustainPedal        = false;          SustainPedal        = false;
158          ActiveVoiceCount    = 0;          ActiveVoiceCount    = 0;
159          ActiveVoiceCountMax = 0;          ActiveVoiceCountMax = 0;
160            GlobalVolume        = 1.0;
161    
162            // reset voice stealing parameters
163            pLastStolenVoice = NULL;
164            puiLastStolenKey = NULL;
165            pVoiceStealingQueue->clear();
166    
167            // reset to normal chromatic scale (means equal temper)
168            memset(&ScaleTuning[0], 0x00, 12);
169    
170          // set all MIDI controller values to zero          // set all MIDI controller values to zero
171          memset(ControllerTable, 0x00, 128);          memset(ControllerTable, 0x00, 128);
# Line 150  namespace LinuxSampler { namespace gig { Line 174  namespace LinuxSampler { namespace gig {
174          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
175              pMIDIKeyInfo[i].pActiveVoices->clear();              pMIDIKeyInfo[i].pActiveVoices->clear();
176              pMIDIKeyInfo[i].pEvents->clear();              pMIDIKeyInfo[i].pEvents->clear();
177              pMIDIKeyInfo[i].KeyPressed = false;              pMIDIKeyInfo[i].KeyPressed     = false;
178              pMIDIKeyInfo[i].Active     = false;              pMIDIKeyInfo[i].Active         = false;
179              pMIDIKeyInfo[i].pSelf      = NULL;              pMIDIKeyInfo[i].ReleaseTrigger = false;
180                pMIDIKeyInfo[i].pSelf          = NULL;
181          }          }
182    
183            // reset all key groups
184            map<uint,uint*>::iterator iter = ActiveKeyGroups.begin();
185            for (; iter != ActiveKeyGroups.end(); iter++) iter->second = NULL;
186    
187          // reset all voices          // reset all voices
188          for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) {          for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) {
189              pVoice->Reset();              pVoice->Reset();
# Line 191  namespace LinuxSampler { namespace gig { Line 220  namespace LinuxSampler { namespace gig {
220              Instruments.HandBack(pInstrument, this);              Instruments.HandBack(pInstrument, this);
221          }          }
222    
223            InstrumentFile = FileName;
224            InstrumentIdx = Instrument;
225            InstrumentStat = 0;
226    
227            // delete all key groups
228            ActiveKeyGroups.clear();
229    
230          // request gig instrument from instrument manager          // request gig instrument from instrument manager
231          try {          try {
232              instrument_id_t instrid;              instrument_id_t instrid;
# Line 198  namespace LinuxSampler { namespace gig { Line 234  namespace LinuxSampler { namespace gig {
234              instrid.iInstrument = Instrument;              instrid.iInstrument = Instrument;
235              pInstrument = Instruments.Borrow(instrid, this);              pInstrument = Instruments.Borrow(instrid, this);
236              if (!pInstrument) {              if (!pInstrument) {
237                    InstrumentStat = -1;
238                  dmsg(1,("no instrument loaded!!!\n"));                  dmsg(1,("no instrument loaded!!!\n"));
239                  exit(EXIT_FAILURE);                  exit(EXIT_FAILURE);
240              }              }
241          }          }
242          catch (RIFF::Exception e) {          catch (RIFF::Exception e) {
243                InstrumentStat = -2;
244              String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message;              String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message;
245              throw LinuxSamplerException(msg);              throw LinuxSamplerException(msg);
246          }          }
247          catch (InstrumentResourceManagerException e) {          catch (InstrumentResourceManagerException e) {
248                InstrumentStat = -3;
249              String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message();              String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message();
250              throw LinuxSamplerException(msg);              throw LinuxSamplerException(msg);
251          }          }
252          catch (...) {          catch (...) {
253                InstrumentStat = -4;
254              throw LinuxSamplerException("gig::Engine error: Failed to load instrument, cause: Unknown exception while trying to parse gig file.");              throw LinuxSamplerException("gig::Engine error: Failed to load instrument, cause: Unknown exception while trying to parse gig file.");
255          }          }
256    
257            // rebuild ActiveKeyGroups map with key groups of current instrument
258            for (::gig::Region* pRegion = pInstrument->GetFirstRegion(); pRegion; pRegion = pInstrument->GetNextRegion())
259                if (pRegion->KeyGroup) ActiveKeyGroups[pRegion->KeyGroup] = NULL;
260    
261            InstrumentStat = 100;
262    
263          // inform audio driver for the need of two channels          // inform audio driver for the need of two channels
264          try {          try {
265              if (pAudioOutputDevice) pAudioOutputDevice->AcquireChannels(2); // gig Engine only stereo              if (pAudioOutputDevice) pAudioOutputDevice->AcquireChannels(2); // gig Engine only stereo
# Line 243  namespace LinuxSampler { namespace gig { Line 289  namespace LinuxSampler { namespace gig {
289       * update process was completed, so we can continue with playback.       * update process was completed, so we can continue with playback.
290       */       */
291      void Engine::ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg) {      void Engine::ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg) {
292          this->pInstrument = pNewResource;          this->pInstrument = pNewResource; //TODO: there are couple of engine parameters we should update here as well if the instrument was updated (see LoadInstrument())
293          Enable();          Enable();
294      }      }
295    
# Line 261  namespace LinuxSampler { namespace gig { Line 307  namespace LinuxSampler { namespace gig {
307              throw LinuxSamplerException(msg);              throw LinuxSamplerException(msg);
308          }          }
309    
310            this->AudioDeviceChannelLeft  = 0;
311            this->AudioDeviceChannelRight = 1;
312            this->pOutputLeft             = pAudioOutputDevice->Channel(0)->Buffer();
313            this->pOutputRight            = pAudioOutputDevice->Channel(1)->Buffer();
314            this->MaxSamplesPerCycle      = pAudioOutputDevice->MaxSamplesPerCycle();
315            this->SampleRate              = pAudioOutputDevice->SampleRate();
316    
317          // (re)create disk thread          // (re)create disk thread
318          if (this->pDiskThread) {          if (this->pDiskThread) {
319              this->pDiskThread->StopThread();              this->pDiskThread->StopThread();
# Line 274  namespace LinuxSampler { namespace gig { Line 327  namespace LinuxSampler { namespace gig {
327    
328          for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) {          for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) {
329              pVoice->pDiskThread = this->pDiskThread;              pVoice->pDiskThread = this->pDiskThread;
             pVoice->SetOutput(pAudioOut);  
330              dmsg(3,("d"));              dmsg(3,("d"));
331          }          }
332          pVoicePool->clear();          pVoicePool->clear();
# Line 289  namespace LinuxSampler { namespace gig { Line 341  namespace LinuxSampler { namespace gig {
341          for (int dst = 1; dst < Event::destination_count; dst++)          for (int dst = 1; dst < Event::destination_count; dst++)
342              pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle();              pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle();
343    
344            // (re)allocate biquad filter parameter sequence
345            if (pBasicFilterParameters) delete[] pBasicFilterParameters;
346            if (pMainFilterParameters)  delete[] pMainFilterParameters;
347            pBasicFilterParameters = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()];
348            pMainFilterParameters  = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()];
349    
350          dmsg(1,("Starting disk thread..."));          dmsg(1,("Starting disk thread..."));
351          pDiskThread->StartThread();          pDiskThread->StartThread();
352          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
# Line 306  namespace LinuxSampler { namespace gig { Line 364  namespace LinuxSampler { namespace gig {
364              AudioOutputDevice* olddevice = pAudioOutputDevice;              AudioOutputDevice* olddevice = pAudioOutputDevice;
365              pAudioOutputDevice = NULL;              pAudioOutputDevice = NULL;
366              olddevice->Disconnect(this);              olddevice->Disconnect(this);
367                AudioDeviceChannelLeft  = -1;
368                AudioDeviceChannelRight = -1;
369          }          }
370      }      }
371    
# Line 339  namespace LinuxSampler { namespace gig { Line 399  namespace LinuxSampler { namespace gig {
399          for (uint i = 0; i < Event::destination_count; i++) {          for (uint i = 0; i < Event::destination_count; i++) {
400              pSynthesisEvents[i]->clear();              pSynthesisEvents[i]->clear();
401          }          }
402            for (uint* puiKey = pActiveKeys->first(); puiKey; puiKey = pActiveKeys->next()) {
403                midi_key_info_t* pKey = &pMIDIKeyInfo[*puiKey];
404                pKey->pEvents->clear(); // free all events on the key
405            }
406    
407          // read and copy events from input queue          // read and copy events from input queue
408          Event event = pEventGenerator->CreateEvent();          Event event = pEventGenerator->CreateEvent();
# Line 360  namespace LinuxSampler { namespace gig { Line 424  namespace LinuxSampler { namespace gig {
424              pNextEvent = pEvents->next();              pNextEvent = pEvents->next();
425              switch (pEvent->Type) {              switch (pEvent->Type) {
426                  case Event::type_note_on:                  case Event::type_note_on:
427                      dmsg(5,("Audio Thread: Note on received\n"));                      dmsg(5,("Engine: Note on received\n"));
428                      ProcessNoteOn(pEvent);                      ProcessNoteOn(pEvent);
429                      break;                      break;
430                  case Event::type_note_off:                  case Event::type_note_off:
431                      dmsg(5,("Audio Thread: Note off received\n"));                      dmsg(5,("Engine: Note off received\n"));
432                      ProcessNoteOff(pEvent);                      ProcessNoteOff(pEvent);
433                      break;                      break;
434                  case Event::type_control_change:                  case Event::type_control_change:
435                      dmsg(5,("Audio Thread: MIDI CC received\n"));                      dmsg(5,("Engine: MIDI CC received\n"));
436                      ProcessControlChange(pEvent);                      ProcessControlChange(pEvent);
437                      break;                      break;
438                  case Event::type_pitchbend:                  case Event::type_pitchbend:
439                      dmsg(5,("Audio Thread: Pitchbend received\n"));                      dmsg(5,("Engine: Pitchbend received\n"));
440                      ProcessPitchbend(pEvent);                      ProcessPitchbend(pEvent);
441                      break;                      break;
442                    case Event::type_sysex:
443                        dmsg(5,("Engine: Sysex received\n"));
444                        ProcessSysex(pEvent);
445                        break;
446              }              }
447          }          }
448    
# Line 398  namespace LinuxSampler { namespace gig { Line 466  namespace LinuxSampler { namespace gig {
466                  pVoice->Render(Samples);                  pVoice->Render(Samples);
467                  if (pVoice->IsActive()) active_voices++; // still active                  if (pVoice->IsActive()) active_voices++; // still active
468                  else { // voice reached end, is now inactive                  else { // voice reached end, is now inactive
469                      KillVoice(pVoice); // remove voice from the list of active voices                      KillVoiceImmediately(pVoice); // remove voice from the list of active voices
470                  }                  }
471              }              }
             pKey->pEvents->clear(); // free all events on the key  
472          }          }
473    
474    
475            // now render all postponed voices from voice stealing
476            Event* pVoiceStealEvent = pVoiceStealingQueue->first();
477            while (pVoiceStealEvent) {
478                Voice* pNewVoice = LaunchVoice(pVoiceStealEvent, pVoiceStealEvent->Param.Note.Layer, pVoiceStealEvent->Param.Note.ReleaseTrigger, false);
479                if (pNewVoice) {
480                    pNewVoice->Render(Samples);
481                    if (pNewVoice->IsActive()) active_voices++; // still active
482                    else { // voice reached end, is now inactive
483                        KillVoiceImmediately(pNewVoice); // remove voice from the list of active voices
484                    }
485                }
486                else dmsg(1,("Ouch, voice stealing didn't work out!\n"));
487                pVoiceStealEvent = pVoiceStealingQueue->next();
488            }
489            // reset voice stealing for the new fragment
490            pVoiceStealingQueue->clear();
491            pLastStolenVoice = NULL;
492            puiLastStolenKey = NULL;
493    
494    
495          // write that to the disk thread class so that it can print it          // write that to the disk thread class so that it can print it
496          // on the console for debugging purposes          // on the console for debugging purposes
497          ActiveVoiceCount = active_voices;          ActiveVoiceCount = active_voices;
# Line 422  namespace LinuxSampler { namespace gig { Line 509  namespace LinuxSampler { namespace gig {
509       *  @param Velocity - MIDI velocity value of the triggered key       *  @param Velocity - MIDI velocity value of the triggered key
510       */       */
511      void Engine::SendNoteOn(uint8_t Key, uint8_t Velocity) {      void Engine::SendNoteOn(uint8_t Key, uint8_t Velocity) {
512          Event event    = pEventGenerator->CreateEvent();          Event event               = pEventGenerator->CreateEvent();
513          event.Type     = Event::type_note_on;          event.Type                = Event::type_note_on;
514          event.Key      = Key;          event.Param.Note.Key      = Key;
515          event.Velocity = Velocity;          event.Param.Note.Velocity = Velocity;
516          if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);          if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
517          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
518      }      }
# Line 438  namespace LinuxSampler { namespace gig { Line 525  namespace LinuxSampler { namespace gig {
525       *  @param Velocity - MIDI release velocity value of the released key       *  @param Velocity - MIDI release velocity value of the released key
526       */       */
527      void Engine::SendNoteOff(uint8_t Key, uint8_t Velocity) {      void Engine::SendNoteOff(uint8_t Key, uint8_t Velocity) {
528          Event event    = pEventGenerator->CreateEvent();          Event event               = pEventGenerator->CreateEvent();
529          event.Type     = Event::type_note_off;          event.Type                = Event::type_note_off;
530          event.Key      = Key;          event.Param.Note.Key      = Key;
531          event.Velocity = Velocity;          event.Param.Note.Velocity = Velocity;
532          if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);          if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
533          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
534      }      }
# Line 453  namespace LinuxSampler { namespace gig { Line 540  namespace LinuxSampler { namespace gig {
540       *  @param Pitch - MIDI pitch value (-8192 ... +8191)       *  @param Pitch - MIDI pitch value (-8192 ... +8191)
541       */       */
542      void Engine::SendPitchbend(int Pitch) {      void Engine::SendPitchbend(int Pitch) {
543          Event event = pEventGenerator->CreateEvent();          Event event             = pEventGenerator->CreateEvent();
544          event.Type  = Event::type_pitchbend;          event.Type              = Event::type_pitchbend;
545          event.Pitch = Pitch;          event.Param.Pitch.Pitch = Pitch;
546          if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);          if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
547          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
548      }      }
# Line 468  namespace LinuxSampler { namespace gig { Line 555  namespace LinuxSampler { namespace gig {
555       *  @param Value      - value of the control change       *  @param Value      - value of the control change
556       */       */
557      void Engine::SendControlChange(uint8_t Controller, uint8_t Value) {      void Engine::SendControlChange(uint8_t Controller, uint8_t Value) {
558          Event event      = pEventGenerator->CreateEvent();          Event event               = pEventGenerator->CreateEvent();
559          event.Type       = Event::type_control_change;          event.Type                = Event::type_control_change;
560          event.Controller = Controller;          event.Param.CC.Controller = Controller;
561          event.Value      = Value;          event.Param.CC.Value      = Value;
562          if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);          if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
563          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
564      }      }
565    
566      /**      /**
567         *  Will be called by the MIDI input device whenever a MIDI system
568         *  exclusive message has arrived.
569         *
570         *  @param pData - pointer to sysex data
571         *  @param Size  - lenght of sysex data (in bytes)
572         */
573        void Engine::SendSysex(void* pData, uint Size) {
574            Event event             = pEventGenerator->CreateEvent();
575            event.Type              = Event::type_sysex;
576            event.Param.Sysex.Size  = Size;
577            if (pEventQueue->write_space() > 0) {
578                if (pSysexBuffer->write_space() >= Size) {
579                    // copy sysex data to input buffer
580                    uint toWrite = Size;
581                    uint8_t* pPos = (uint8_t*) pData;
582                    while (toWrite) {
583                        const uint writeNow = RTMath::Min(toWrite, pSysexBuffer->write_space_to_end());
584                        pSysexBuffer->write(pPos, writeNow);
585                        toWrite -= writeNow;
586                        pPos    += writeNow;
587    
588                    }
589                    // finally place sysex event into input event queue
590                    pEventQueue->push(&event);
591                }
592                else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,SYSEX_BUFFER_SIZE));
593            }
594            else dmsg(1,("Engine: Input event queue full!"));
595        }
596    
597        /**
598       *  Assigns and triggers a new voice for the respective MIDI key.       *  Assigns and triggers a new voice for the respective MIDI key.
599       *       *
600       *  @param pNoteOnEvent - key, velocity and time stamp of the event       *  @param pNoteOnEvent - key, velocity and time stamp of the event
601       */       */
602      void Engine::ProcessNoteOn(Event* pNoteOnEvent) {      void Engine::ProcessNoteOn(Event* pNoteOnEvent) {
603          midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Key];          midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key];
604    
605          pKey->KeyPressed = true; // the MIDI key was now pressed down          pKey->KeyPressed = true; // the MIDI key was now pressed down
606    
607          // cancel release process of voices on this key if needed          // cancel release process of voices on this key if needed
608          if (pKey->Active && !SustainPedal) {          if (pKey->Active && !SustainPedal) {
609              pNoteOnEvent->Type = Event::type_cancel_release; // transform event type              Event* pCancelReleaseEvent = pKey->pEvents->alloc();
610              pEvents->move(pNoteOnEvent, pKey->pEvents); // move event to the key's own event list              if (pCancelReleaseEvent) {
611          }                  *pCancelReleaseEvent = *pNoteOnEvent;
612                    pCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type
         // allocate a new voice for the key  
         Voice* pNewVoice = pKey->pActiveVoices->alloc();  
         if (pNewVoice) {  
             // launch the new voice  
             if (pNewVoice->Trigger(pNoteOnEvent, this->Pitch, this->pInstrument) < 0) {  
                 dmsg(1,("Triggering new voice failed!\n"));  
                 pKey->pActiveVoices->free(pNewVoice);  
             }  
             else if (!pKey->Active) { // mark as active key  
                 pKey->Active = true;  
                 pKey->pSelf  = pActiveKeys->alloc();  
                 *pKey->pSelf = pNoteOnEvent->Key;  
613              }              }
614                else dmsg(1,("Event pool emtpy!\n"));
615          }          }
616          else std::cerr << "No free voice!" << std::endl << std::flush;  
617            // allocate and trigger a new voice for the key
618            LaunchVoice(pNoteOnEvent);
619    
620            // finally move note on event to the key's own event list
621            pEvents->move(pNoteOnEvent, pKey->pEvents);
622      }      }
623    
624      /**      /**
# Line 518  namespace LinuxSampler { namespace gig { Line 630  namespace LinuxSampler { namespace gig {
630       *  @param pNoteOffEvent - key, velocity and time stamp of the event       *  @param pNoteOffEvent - key, velocity and time stamp of the event
631       */       */
632      void Engine::ProcessNoteOff(Event* pNoteOffEvent) {      void Engine::ProcessNoteOff(Event* pNoteOffEvent) {
633          midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOffEvent->Key];          midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOffEvent->Param.Note.Key];
634    
635          pKey->KeyPressed = false; // the MIDI key was now released          pKey->KeyPressed = false; // the MIDI key was now released
636    
637          // release voices on this key if needed          // release voices on this key if needed
638          if (pKey->Active && !SustainPedal) {          if (pKey->Active && !SustainPedal) {
639              pNoteOffEvent->Type = Event::type_release; // transform event type              pNoteOffEvent->Type = Event::type_release; // transform event type
             pEvents->move(pNoteOffEvent, pKey->pEvents); // move event to the key's own event list  
640          }          }
641    
642            // spawn release triggered voice(s) if needed
643            if (pKey->ReleaseTrigger) {
644                LaunchVoice(pNoteOffEvent, 0, true);
645                pKey->ReleaseTrigger = false;
646            }
647    
648            // move event to the key's own event list
649            pEvents->move(pNoteOffEvent, pKey->pEvents);
650      }      }
651    
652      /**      /**
# Line 536  namespace LinuxSampler { namespace gig { Line 656  namespace LinuxSampler { namespace gig {
656       *  @param pPitchbendEvent - absolute pitch value and time stamp of the event       *  @param pPitchbendEvent - absolute pitch value and time stamp of the event
657       */       */
658      void Engine::ProcessPitchbend(Event* pPitchbendEvent) {      void Engine::ProcessPitchbend(Event* pPitchbendEvent) {
659          this->Pitch = pPitchbendEvent->Pitch; // store current pitch value          this->Pitch = pPitchbendEvent->Param.Pitch.Pitch; // store current pitch value
660          pEvents->move(pPitchbendEvent, pSynthesisEvents[Event::destination_vco]);          pEvents->move(pPitchbendEvent, pSynthesisEvents[Event::destination_vco]);
661      }      }
662    
663      /**      /**
664         *  Allocates and triggers a new voice. This method will usually be
665         *  called by the ProcessNoteOn() method and by the voices itself
666         *  (e.g. to spawn further voices on the same key for layered sounds).
667         *
668         *  @param pNoteOnEvent        - key, velocity and time stamp of the event
669         *  @param iLayer              - layer index for the new voice (optional - only
670         *                               in case of layered sounds of course)
671         *  @param ReleaseTriggerVoice - if new voice is a release triggered voice
672         *                               (optional, default = false)
673         *  @param VoiceStealing       - if voice stealing should be performed
674         *                               when there is no free voice
675         *                               (optional, default = true)
676         *  @returns pointer to new voice or NULL if there was no free voice or
677         *           if an error occured while trying to trigger the new voice
678         */
679        Voice* Engine::LaunchVoice(Event* pNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) {
680            midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key];
681    
682            // allocate a new voice for the key
683            Voice* pNewVoice = pKey->pActiveVoices->alloc();
684            if (pNewVoice) {
685                // launch the new voice
686                if (pNewVoice->Trigger(pNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice) < 0) {
687                    dmsg(1,("Triggering new voice failed!\n"));
688                    pKey->pActiveVoices->free(pNewVoice);
689                }
690                else { // on success
691                    uint** ppKeyGroup = NULL;
692                    if (pNewVoice->KeyGroup) { // if this voice / key belongs to a key group
693                        ppKeyGroup = &ActiveKeyGroups[pNewVoice->KeyGroup];
694                        if (*ppKeyGroup) { // if there's already an active key in that key group
695                            midi_key_info_t* pOtherKey = &pMIDIKeyInfo[**ppKeyGroup];
696                            // kill all voices on the (other) key
697                            Voice* pVoiceToBeKilled = pOtherKey->pActiveVoices->first();
698                            while (pVoiceToBeKilled) {
699                                Voice* pVoiceToBeKilledNext = pOtherKey->pActiveVoices->next();
700                                if (pVoiceToBeKilled->Type != Voice::type_release_trigger) pVoiceToBeKilled->Kill(pNoteOnEvent);
701                                pOtherKey->pActiveVoices->set_current(pVoiceToBeKilled);
702                                pVoiceToBeKilled = pVoiceToBeKilledNext;
703                            }
704                        }
705                    }
706                    if (!pKey->Active) { // mark as active key
707                        pKey->Active = true;
708                        pKey->pSelf  = pActiveKeys->alloc();
709                        *pKey->pSelf = pNoteOnEvent->Param.Note.Key;
710                    }
711                    if (pNewVoice->KeyGroup) {
712                        *ppKeyGroup = pKey->pSelf; // put key as the (new) active key to its key group
713                    }
714                    if (pNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s)
715                    return pNewVoice; // success
716                }
717            }
718            else if (VoiceStealing) StealVoice(pNoteOnEvent, iLayer, ReleaseTriggerVoice); // no free voice left, so steal one
719    
720            return NULL; // no free voice or error
721        }
722    
723        /**
724         *  Will be called by LaunchVoice() method in case there are no free
725         *  voices left. This method will select and kill one old voice for
726         *  voice stealing and postpone the note-on event until the selected
727         *  voice actually died.
728         *
729         *  @param pNoteOnEvent        - key, velocity and time stamp of the event
730         *  @param iLayer              - layer index for the new voice
731         *  @param ReleaseTriggerVoice - if new voice is a release triggered voice
732         */
733        void Engine::StealVoice(Event* pNoteOnEvent, int iLayer, bool ReleaseTriggerVoice) {
734            if (!pEventPool->pool_is_empty()) {
735    
736                uint*  puiOldestKey;
737                Voice* pOldestVoice;
738    
739                // Select one voice for voice stealing
740                switch (VOICE_STEAL_ALGORITHM) {
741    
742                    // try to pick the oldest voice on the key where the new
743                    // voice should be spawned, if there is no voice on that
744                    // key, or no voice left to kill there, then procceed with
745                    // 'oldestkey' algorithm
746                    case voice_steal_algo_keymask: {
747                        midi_key_info_t* pOldestKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key];
748                        if (pLastStolenVoice) {
749                            pOldestKey->pActiveVoices->set_current(pLastStolenVoice);
750                            pOldestVoice = pOldestKey->pActiveVoices->next();
751                        }
752                        else { // no voice stolen in this audio fragment cycle yet
753                            pOldestVoice = pOldestKey->pActiveVoices->first();
754                        }
755                        if (pOldestVoice) {
756                            puiOldestKey = pOldestKey->pSelf;
757                            break; // selection succeeded
758                        }
759                    } // no break - intentional !
760    
761                    // try to pick the oldest voice on the oldest active key
762                    // (caution: must stay after 'keymask' algorithm !)
763                    case voice_steal_algo_oldestkey: {
764                        if (pLastStolenVoice) {
765                            midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*puiLastStolenKey];
766                            pOldestKey->pActiveVoices->set_current(pLastStolenVoice);
767                            pOldestVoice = pOldestKey->pActiveVoices->next();
768                            if (!pOldestVoice) {
769                                pActiveKeys->set_current(puiLastStolenKey);
770                                puiOldestKey = pActiveKeys->next();
771                                if (puiOldestKey) {
772                                    midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*puiOldestKey];
773                                    pOldestVoice = pOldestKey->pActiveVoices->first();
774                                }
775                                else { // too less voices, even for voice stealing
776                                    dmsg(1,("Voice overflow! - You might recompile with higher MAX_AUDIO_VOICES!\n"));
777                                    return;
778                                }
779                            }
780                            else puiOldestKey = puiLastStolenKey;
781                        }
782                        else { // no voice stolen in this audio fragment cycle yet
783                            puiOldestKey = pActiveKeys->first();
784                            midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*puiOldestKey];
785                            pOldestVoice = pOldestKey->pActiveVoices->first();
786                        }
787                        break;
788                    }
789    
790                    // don't steal anything
791                    case voice_steal_algo_none:
792                    default: {
793                        dmsg(1,("No free voice (voice stealing disabled)!\n"));
794                        return;
795                    }
796                }
797    
798                // now kill the selected voice
799                pOldestVoice->Kill(pNoteOnEvent);
800                // remember which voice on which key we stole, so we can simply proceed for the next voice stealing
801                this->pLastStolenVoice = pOldestVoice;
802                this->puiLastStolenKey = puiOldestKey;
803                // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died
804                Event* pStealEvent = pVoiceStealingQueue->alloc();
805                *pStealEvent = *pNoteOnEvent;
806                pStealEvent->Param.Note.Layer = iLayer;
807                pStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;
808            }
809            else dmsg(1,("Event pool emtpy!\n"));
810        }
811    
812        /**
813       *  Immediately kills the voice given with pVoice (no matter if sustain is       *  Immediately kills the voice given with pVoice (no matter if sustain is
814       *  pressed or not) and removes it from the MIDI key's list of active voice.       *  pressed or not) and removes it from the MIDI key's list of active voice.
815       *  This method will e.g. be called if a voice went inactive by itself.       *  This method will e.g. be called if a voice went inactive by itself.
816       *       *
817       *  @param pVoice - points to the voice to be killed       *  @param pVoice - points to the voice to be killed
818       */       */
819      void Engine::KillVoice(Voice* pVoice) {      void Engine::KillVoiceImmediately(Voice* pVoice) {
820          if (pVoice) {          if (pVoice) {
821              if (pVoice->IsActive()) pVoice->Kill();              if (pVoice->IsActive()) pVoice->KillImmediately();
822    
823              midi_key_info_t* pKey = &pMIDIKeyInfo[pVoice->MIDIKey];              midi_key_info_t* pKey = &pMIDIKeyInfo[pVoice->MIDIKey];
824    
# Line 558  namespace LinuxSampler { namespace gig { Line 827  namespace LinuxSampler { namespace gig {
827    
828              // check if there are no voices left on the MIDI key and update the key info if so              // check if there are no voices left on the MIDI key and update the key info if so
829              if (pKey->pActiveVoices->is_empty()) {              if (pKey->pActiveVoices->is_empty()) {
830                    if (pVoice->KeyGroup) { // if voice / key belongs to a key group
831                        uint** ppKeyGroup = &ActiveKeyGroups[pVoice->KeyGroup];
832                        if (*ppKeyGroup == pKey->pSelf) *ppKeyGroup = NULL; // remove key from key group
833                    }
834                  pKey->Active = false;                  pKey->Active = false;
835                  pActiveKeys->free(pKey->pSelf); // remove key from list of active keys                  pActiveKeys->free(pKey->pSelf); // remove key from list of active keys
836                  pKey->pSelf = NULL;                  pKey->pSelf = NULL;
837                    pKey->ReleaseTrigger = false;
838                    pKey->pEvents->clear();
839                  dmsg(3,("Key has no more voices now\n"));                  dmsg(3,("Key has no more voices now\n"));
840              }              }
841          }          }
# Line 574  namespace LinuxSampler { namespace gig { Line 849  namespace LinuxSampler { namespace gig {
849       *  @param pControlChangeEvent - controller, value and time stamp of the event       *  @param pControlChangeEvent - controller, value and time stamp of the event
850       */       */
851      void Engine::ProcessControlChange(Event* pControlChangeEvent) {      void Engine::ProcessControlChange(Event* pControlChangeEvent) {
852          dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", pControlChangeEvent->Controller, pControlChangeEvent->Value));          dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", pControlChangeEvent->Param.CC.Controller, pControlChangeEvent->Param.CC.Value));
853    
854          switch (pControlChangeEvent->Controller) {          switch (pControlChangeEvent->Param.CC.Controller) {
855              case 64: {              case 64: {
856                  if (pControlChangeEvent->Value >= 64 && !SustainPedal) {                  if (pControlChangeEvent->Param.CC.Value >= 64 && !SustainPedal) {
857                      dmsg(4,("PEDAL DOWN\n"));                      dmsg(4,("PEDAL DOWN\n"));
858                      SustainPedal = true;                      SustainPedal = true;
859    
# Line 598  namespace LinuxSampler { namespace gig { Line 873  namespace LinuxSampler { namespace gig {
873                          }                          }
874                      }                      }
875                  }                  }
876                  if (pControlChangeEvent->Value < 64 && SustainPedal) {                  if (pControlChangeEvent->Param.CC.Value < 64 && SustainPedal) {
877                      dmsg(4,("PEDAL UP\n"));                      dmsg(4,("PEDAL UP\n"));
878                      SustainPedal = false;                      SustainPedal = false;
879    
# Line 623  namespace LinuxSampler { namespace gig { Line 898  namespace LinuxSampler { namespace gig {
898          }          }
899    
900          // update controller value in the engine's controller table          // update controller value in the engine's controller table
901          ControllerTable[pControlChangeEvent->Controller] = pControlChangeEvent->Value;          ControllerTable[pControlChangeEvent->Param.CC.Controller] = pControlChangeEvent->Param.CC.Value;
902    
903          // move event from the unsorted event list to the control change event list          // move event from the unsorted event list to the control change event list
904          pEvents->move(pControlChangeEvent, pCCEvents);          pEvents->move(pControlChangeEvent, pCCEvents);
905      }      }
906    
907      /**      /**
908         *  Reacts on MIDI system exclusive messages.
909         *
910         *  @param pSysexEvent - sysex data size and time stamp of the sysex event
911         */
912        void Engine::ProcessSysex(Event* pSysexEvent) {
913            RingBuffer<uint8_t>::NonVolatileReader reader = pSysexBuffer->get_non_volatile_reader();
914    
915            uint8_t exclusive_status, id;
916            if (!reader.pop(&exclusive_status)) goto free_sysex_data;
917            if (!reader.pop(&id))               goto free_sysex_data;
918            if (exclusive_status != 0xF0)       goto free_sysex_data;
919    
920            switch (id) {
921                case 0x41: { // Roland
922                    uint8_t device_id, model_id, cmd_id;
923                    if (!reader.pop(&device_id)) goto free_sysex_data;
924                    if (!reader.pop(&model_id))  goto free_sysex_data;
925                    if (!reader.pop(&cmd_id))    goto free_sysex_data;
926                    if (model_id != 0x42 /*GS*/) goto free_sysex_data;
927                    if (cmd_id != 0x12 /*DT1*/)  goto free_sysex_data;
928    
929                    // command address
930                    uint8_t addr[3]; // 2 byte addr MSB, followed by 1 byte addr LSB)
931                    const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later
932                    if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;
933                    if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters
934                    }
935                    else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters
936                    }
937                    else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)
938                        switch (addr[3]) {
939                            case 0x40: { // scale tuning
940                                uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave
941                                if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;
942                                uint8_t checksum;
943                                if (!reader.pop(&checksum))                      goto free_sysex_data;
944                                if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data;
945                                for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;
946                                AdjustScale((int8_t*) scale_tunes);
947                                break;
948                            }
949                        }
950                    }
951                    else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x20) { // Part Parameters (2)
952                    }
953                    else if (addr[0] == 0x41) { // Drum Setup Parameters
954                    }
955                    break;
956                }
957            }
958    
959            free_sysex_data: // finally free sysex data
960            pSysexBuffer->increment_read_ptr(pSysexEvent->Param.Sysex.Size);
961        }
962    
963        /**
964         * Calculates the Roland GS sysex check sum.
965         *
966         * @param AddrReader - reader which currently points to the first GS
967         *                     command address byte of the GS sysex message in
968         *                     question
969         * @param DataSize   - size of the GS message data (in bytes)
970         */
971        uint8_t Engine::GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize) {
972            RingBuffer<uint8_t>::NonVolatileReader reader = AddrReader;
973            uint bytes = 3 /*addr*/ + DataSize;
974            uint8_t addr_and_data[bytes];
975            reader.read(&addr_and_data[0], bytes);
976            uint8_t sum = 0;
977            for (uint i = 0; i < bytes; i++) sum += addr_and_data[i];
978            return 128 - sum % 128;
979        }
980    
981        /**
982         * Allows to tune each of the twelve semitones of an octave.
983         *
984         * @param ScaleTunes - detuning of all twelve semitones (in cents)
985         */
986        void Engine::AdjustScale(int8_t ScaleTunes[12]) {
987            memcpy(&this->ScaleTuning[0], &ScaleTunes[0], 12); //TODO: currently not sample accurate
988        }
989    
990        /**
991       * Initialize the parameter sequence for the modulation destination given by       * Initialize the parameter sequence for the modulation destination given by
992       * by 'dst' with the constant value given by val.       * by 'dst' with the constant value given by val.
993       */       */
994      void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) {      void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) {
995          int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle();          int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle();
996          for (int i = 0; i < maxsamples; i++) pSynthesisParameters[dst][i] = val;          float* m = &pSynthesisParameters[dst][0];
997            for (int i = 0; i < maxsamples; i += 4) {
998               m[i]   = val;
999               m[i+1] = val;
1000               m[i+2] = val;
1001               m[i+3] = val;
1002            }
1003      }      }
1004    
1005      float Engine::Volume() {      float Engine::Volume() {
# Line 646  namespace LinuxSampler { namespace gig { Line 1010  namespace LinuxSampler { namespace gig {
1010          GlobalVolume = f;          GlobalVolume = f;
1011      }      }
1012    
1013        uint Engine::Channels() {
1014            return 2;
1015        }
1016    
1017        void Engine::SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) {
1018            AudioChannel* pChannel = pAudioOutputDevice->Channel(AudioDeviceChannel);
1019            if (!pChannel) throw AudioOutputException("Invalid audio output device channel " + ToString(AudioDeviceChannel));
1020            switch (EngineAudioChannel) {
1021                case 0: // left output channel
1022                    pOutputLeft = pChannel->Buffer();
1023                    AudioDeviceChannelLeft = AudioDeviceChannel;
1024                    break;
1025                case 1: // right output channel
1026                    pOutputRight = pChannel->Buffer();
1027                    AudioDeviceChannelRight = AudioDeviceChannel;
1028                    break;
1029                default:
1030                    throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel));
1031            }
1032        }
1033    
1034        int Engine::OutputChannel(uint EngineAudioChannel) {
1035            switch (EngineAudioChannel) {
1036                case 0: // left channel
1037                    return AudioDeviceChannelLeft;
1038                case 1: // right channel
1039                    return AudioDeviceChannelRight;
1040                default:
1041                    throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel));
1042            }
1043        }
1044    
1045      uint Engine::VoiceCount() {      uint Engine::VoiceCount() {
1046          return ActiveVoiceCount;          return ActiveVoiceCount;
1047      }      }
# Line 674  namespace LinuxSampler { namespace gig { Line 1070  namespace LinuxSampler { namespace gig {
1070          return pDiskThread->GetBufferFillPercentage();          return pDiskThread->GetBufferFillPercentage();
1071      }      }
1072    
1073        String Engine::EngineName() {
1074            return "GigEngine";
1075        }
1076    
1077        String Engine::InstrumentFileName() {
1078            return InstrumentFile;
1079        }
1080    
1081        int Engine::InstrumentIndex() {
1082            return InstrumentIdx;
1083        }
1084    
1085        int Engine::InstrumentStatus() {
1086            return InstrumentStat;
1087        }
1088    
1089      String Engine::Description() {      String Engine::Description() {
1090          return "Gigasampler Engine";          return "Gigasampler Engine";
1091      }      }
1092    
1093      String Engine::Version() {      String Engine::Version() {
1094          return "0.0.1-0cvs20040423";          String s = "$Revision: 1.14 $";
1095            return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
1096      }      }
1097    
1098  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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