/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
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revision 831 by persson, Sat Jan 28 16:55:30 2006 UTC revision 1039 by persson, Sat Feb 3 20:46:44 2007 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
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 program is free software; you can redistribute it and/or modify  *
9   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 51  namespace LinuxSampler { namespace gig { Line 51  namespace LinuxSampler { namespace gig {
51          if (engines.count(pDevice)) {          if (engines.count(pDevice)) {
52              dmsg(4,("Using existing gig::Engine.\n"));              dmsg(4,("Using existing gig::Engine.\n"));
53              pEngine = engines[pDevice];              pEngine = engines[pDevice];
54    
55                // Disable the engine while the new engine channel is
56                // added and initialized. The engine will be enabled again
57                // in EngineChannel::Connect.
58                pEngine->DisableAndLock();
59          } else { // create a new engine (and disk thread) instance for the given audio output device          } else { // create a new engine (and disk thread) instance for the given audio output device
60              dmsg(4,("Creating new gig::Engine.\n"));              dmsg(4,("Creating new gig::Engine.\n"));
61              pEngine = (Engine*) EngineFactory::Create("gig");              pEngine = (Engine*) EngineFactory::Create("gig");
# Line 97  namespace LinuxSampler { namespace gig { Line 102  namespace LinuxSampler { namespace gig {
102          pAudioOutputDevice = NULL;          pAudioOutputDevice = NULL;
103          pDiskThread        = NULL;          pDiskThread        = NULL;
104          pEventGenerator    = NULL;          pEventGenerator    = NULL;
105          pSysexBuffer       = new RingBuffer<uint8_t>(CONFIG_SYSEX_BUFFER_SIZE, 0);          pSysexBuffer       = new RingBuffer<uint8_t,false>(CONFIG_SYSEX_BUFFER_SIZE, 0);
106          pEventQueue        = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue        = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);
107          pEventPool         = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT);          pEventPool         = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT);
108          pVoicePool         = new Pool<Voice>(CONFIG_MAX_VOICES);          pVoicePool         = new Pool<Voice>(CONFIG_MAX_VOICES);
109            pDimRegionsInUse   = new ::gig::DimensionRegion*[CONFIG_MAX_VOICES + 1];
110          pVoiceStealingQueue = new RTList<Event>(pEventPool);          pVoiceStealingQueue = new RTList<Event>(pEventPool);
111          pGlobalEvents      = new RTList<Event>(pEventPool);          pGlobalEvents      = new RTList<Event>(pEventPool);
112            InstrumentChangeQueue      = new RingBuffer<instrument_change_command_t,false>(1, 0);
113            InstrumentChangeReplyQueue = new RingBuffer<instrument_change_reply_t,false>(1, 0);
114    
115          for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {          for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
116              iterVoice->SetEngine(this);              iterVoice->SetEngine(this);
117          }          }
# Line 116  namespace LinuxSampler { namespace gig { Line 125  namespace LinuxSampler { namespace gig {
125       * Destructor       * Destructor
126       */       */
127      Engine::~Engine() {      Engine::~Engine() {
128            MidiInputPort::RemoveSysexListener(this);
129          if (pDiskThread) {          if (pDiskThread) {
130              dmsg(1,("Stopping disk thread..."));              dmsg(1,("Stopping disk thread..."));
131              pDiskThread->StopThread();              pDiskThread->StopThread();
# Line 131  namespace LinuxSampler { namespace gig { Line 141  namespace LinuxSampler { namespace gig {
141          if (pEventGenerator) delete pEventGenerator;          if (pEventGenerator) delete pEventGenerator;
142          if (pVoiceStealingQueue) delete pVoiceStealingQueue;          if (pVoiceStealingQueue) delete pVoiceStealingQueue;
143          if (pSysexBuffer) delete pSysexBuffer;          if (pSysexBuffer) delete pSysexBuffer;
144          EngineFactory::Destroy(this);          Unregister();
145      }      }
146    
147      void Engine::Enable() {      void Engine::Enable() {
# Line 165  namespace LinuxSampler { namespace gig { Line 175  namespace LinuxSampler { namespace gig {
175    
176      /**      /**
177       *  Reset all voices and disk thread and clear input event queue and all       *  Reset all voices and disk thread and clear input event queue and all
178       *  control and status variables. This method is not thread safe!       *  control and status variables. This method is protected by a mutex.
179       */       */
180      void Engine::ResetInternal() {      void Engine::ResetInternal() {
181            ResetInternalMutex.Lock();
182    
183            // make sure that the engine does not get any sysex messages
184            // while it's reseting
185            bool sysexDisabled = MidiInputPort::RemoveSysexListener(this);
186          ActiveVoiceCount    = 0;          ActiveVoiceCount    = 0;
187          ActiveVoiceCountMax = 0;          ActiveVoiceCountMax = 0;
188    
# Line 191  namespace LinuxSampler { namespace gig { Line 206  namespace LinuxSampler { namespace gig {
206          // delete all input events          // delete all input events
207          pEventQueue->init();          pEventQueue->init();
208          pSysexBuffer->init();          pSysexBuffer->init();
209            if (sysexDisabled) MidiInputPort::AddSysexListener(this);
210            ResetInternalMutex.Unlock();
211      }      }
212    
213      /**      /**
# Line 220  namespace LinuxSampler { namespace gig { Line 237  namespace LinuxSampler { namespace gig {
237          }          }
238          catch (AudioOutputException e) {          catch (AudioOutputException e) {
239              String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message();              String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message();
240              throw LinuxSamplerException(msg);              throw Exception(msg);
241          }          }
242    
243          this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle();          this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle();
# Line 249  namespace LinuxSampler { namespace gig { Line 266  namespace LinuxSampler { namespace gig {
266              delete this->pDiskThread;              delete this->pDiskThread;
267              dmsg(1,("OK\n"));              dmsg(1,("OK\n"));
268          }          }
269          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6); //FIXME: assuming stereo          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6, //FIXME: assuming stereo
270                                               &instruments);
271          if (!pDiskThread) {          if (!pDiskThread) {
272              dmsg(0,("gig::Engine  new diskthread = NULL\n"));              dmsg(0,("gig::Engine  new diskthread = NULL\n"));
273              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
# Line 298  namespace LinuxSampler { namespace gig { Line 316  namespace LinuxSampler { namespace gig {
316       *                  current audio cycle       *                  current audio cycle
317       */       */
318      void Engine::ImportEvents(uint Samples) {      void Engine::ImportEvents(uint Samples) {
319          RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();          RingBuffer<Event,false>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();
320          Event* pEvent;          Event* pEvent;
321          while (true) {          while (true) {
322              // get next event from input event queue              // get next event from input event queue
# Line 321  namespace LinuxSampler { namespace gig { Line 339  namespace LinuxSampler { namespace gig {
339      }      }
340    
341      /**      /**
342       *  Let this engine proceed to render the given amount of sample points. The       * Let this engine proceed to render the given amount of sample points.
343       *  calculated audio data of all voices of this engine will be placed into       * The engine will iterate through all engine channels and render audio
344       *  the engine's audio sum buffer which has to be copied and eventually be       * for each engine channel independently. The calculated audio data of
345       *  converted to the appropriate value range by the audio output class (e.g.       * all voices of each engine channel will be placed into the audio sum
346       *  AlsaIO or JackIO) right after.       * buffers of the respective audio output device, connected to the
347         * respective engine channel.
348       *       *
349       *  @param Samples - number of sample points to be rendered       *  @param Samples - number of sample points to be rendered
350       *  @returns       0 on success       *  @returns       0 on success
351       */       */
352      int Engine::RenderAudio(uint Samples) {      int Engine::RenderAudio(uint Samples) {
353          dmsg(5,("RenderAudio(Samples=%d)\n", Samples));          dmsg(7,("RenderAudio(Samples=%d)\n", Samples));
354    
355          // return if engine disabled          // return if engine disabled
356          if (EngineDisabled.Pop()) {          if (EngineDisabled.Pop()) {
# Line 368  namespace LinuxSampler { namespace gig { Line 387  namespace LinuxSampler { namespace gig {
387          // reset internal voice counter (just for statistic of active voices)          // reset internal voice counter (just for statistic of active voices)
388          ActiveVoiceCountTemp = 0;          ActiveVoiceCountTemp = 0;
389    
390            // handle instrument change commands
391            instrument_change_command_t command;
392            if (InstrumentChangeQueue->pop(&command) > 0) {
393                EngineChannel* pEngineChannel = command.pEngineChannel;
394                pEngineChannel->pInstrument = command.pInstrument;
395    
396                // iterate through all active voices and mark their
397                // dimension regions as "in use". The instrument resource
398                // manager may delete all of the instrument except the
399                // dimension regions and samples that are in use.
400                int i = 0;
401                RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
402                RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
403                while (iuiKey != end) { // iterate through all active keys
404                    midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
405                    ++iuiKey;
406    
407                    RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
408                    RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
409                    for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
410                        if (!itVoice->Orphan) {
411                            itVoice->Orphan = true;
412                            pDimRegionsInUse[i++] = itVoice->pDimRgn;
413                        }
414                    }
415                }
416                pDimRegionsInUse[i] = 0; // end of list
417    
418                // send a reply to the calling thread, which is waiting
419                instrument_change_reply_t reply;
420                InstrumentChangeReplyQueue->push(&reply);
421            }
422    
423          // handle events on all engine channels          // handle events on all engine channels
424          for (int i = 0; i < engineChannels.size(); i++) {          for (int i = 0; i < engineChannels.size(); i++) {
             if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded  
425              ProcessEvents(engineChannels[i], Samples);              ProcessEvents(engineChannels[i], Samples);
426          }          }
427    
428          // render all 'normal', active voices on all engine channels          // render all 'normal', active voices on all engine channels
429          for (int i = 0; i < engineChannels.size(); i++) {          for (int i = 0; i < engineChannels.size(); i++) {
             if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded  
430              RenderActiveVoices(engineChannels[i], Samples);              RenderActiveVoices(engineChannels[i], Samples);
431          }          }
432    
433          // now that all ordinary voices on ALL engine channels are rendered, render new stolen voices          // now that all ordinary voices on ALL engine channels are rendered, render new stolen voices
434          RenderStolenVoices(Samples);          RenderStolenVoices(Samples);
435    
436            // handle audio routing for engine channels with FX sends
437            for (int i = 0; i < engineChannels.size(); i++) {
438                if (engineChannels[i]->fxSends.empty()) continue; // ignore if no FX sends
439                RouteAudio(engineChannels[i], Samples);
440            }
441    
442          // handle cleanup on all engine channels for the next audio fragment          // handle cleanup on all engine channels for the next audio fragment
443          for (int i = 0; i < engineChannels.size(); i++) {          for (int i = 0; i < engineChannels.size(); i++) {
             if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded  
444              PostProcess(engineChannels[i]);              PostProcess(engineChannels[i]);
445          }          }
446    
# Line 504  namespace LinuxSampler { namespace gig { Line 559  namespace LinuxSampler { namespace gig {
559          RTList<Event>::Iterator end               = pVoiceStealingQueue->end();          RTList<Event>::Iterator end               = pVoiceStealingQueue->end();
560          for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {          for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {
561              EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;              EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;
562                if (!pEngineChannel->pInstrument) continue; // ignore if no instrument loaded
563              Pool<Voice>::Iterator itNewVoice =              Pool<Voice>::Iterator itNewVoice =
564                  LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false, false);                  LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false, false);
565              if (itNewVoice) {              if (itNewVoice) {
# Line 523  namespace LinuxSampler { namespace gig { Line 579  namespace LinuxSampler { namespace gig {
579      }      }
580    
581      /**      /**
582         * Will be called in case the respective engine channel sports FX send
583         * channels. In this particular case, engine channel local buffers are
584         * used to render and mix all voices to. This method is responsible for
585         * copying the audio data from those local buffers to the master audio
586         * output channels as well as to the FX send audio output channels with
587         * their respective FX send levels.
588         *
589         * @param pEngineChannel - engine channel from which audio should be
590         *                         routed
591         * @param Samples        - amount of sample points to be routed in
592         *                         this audio fragment cycle
593         */
594        void Engine::RouteAudio(EngineChannel* pEngineChannel, uint Samples) {
595            // route master signal
596            {
597                AudioChannel* pDstL = pAudioOutputDevice->Channel(pEngineChannel->AudioDeviceChannelLeft);
598                AudioChannel* pDstR = pAudioOutputDevice->Channel(pEngineChannel->AudioDeviceChannelRight);
599                pEngineChannel->pChannelLeft->MixTo(pDstL, Samples);
600                pEngineChannel->pChannelRight->MixTo(pDstR, Samples);
601            }
602            // route FX send signal
603            {
604                for (int iFxSend = 0; iFxSend < pEngineChannel->GetFxSendCount(); iFxSend++) {
605                    FxSend* pFxSend = pEngineChannel->GetFxSend(iFxSend);
606                    // left channel
607                    const int iDstL = pFxSend->DestinationChannel(0);
608                    if (iDstL < 0) {
609                        dmsg(1,("Engine::RouteAudio() Error: invalid FX send (L) destination channel"));
610                    } else {
611                        AudioChannel* pDstL = pAudioOutputDevice->Channel(iDstL);
612                        if (!pDstL) {
613                            dmsg(1,("Engine::RouteAudio() Error: invalid FX send (L) destination channel"));
614                        } else pEngineChannel->pChannelLeft->MixTo(pDstL, Samples, pFxSend->Level());
615                    }
616                    // right channel
617                    const int iDstR = pFxSend->DestinationChannel(1);
618                    if (iDstR < 0) {
619                        dmsg(1,("Engine::RouteAudio() Error: invalid FX send (R) destination channel"));
620                    } else {
621                        AudioChannel* pDstR = pAudioOutputDevice->Channel(iDstR);
622                        if (!pDstR) {
623                            dmsg(1,("Engine::RouteAudio() Error: invalid FX send (R) destination channel"));
624                        } else pEngineChannel->pChannelRight->MixTo(pDstR, Samples, pFxSend->Level());
625                    }
626                }
627            }
628            // reset buffers with silence (zero out) for the next audio cycle
629            pEngineChannel->pChannelLeft->Clear();
630            pEngineChannel->pChannelRight->Clear();
631        }
632    
633        /**
634       * Free all keys which have turned inactive in this audio fragment, from       * Free all keys which have turned inactive in this audio fragment, from
635       * the list of active keys and clear all event lists on that engine       * the list of active keys and clear all event lists on that engine
636       * channel.       * channel.
# Line 599  namespace LinuxSampler { namespace gig { Line 707  namespace LinuxSampler { namespace gig {
707          if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted          if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
708          #endif          #endif
709    
710            if (!pEngineChannel->pInstrument) return; // ignore if no instrument loaded
711    
712          const int key = itNoteOnEvent->Param.Note.Key;          const int key = itNoteOnEvent->Param.Note.Key;
713          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];
714    
# Line 634  namespace LinuxSampler { namespace gig { Line 744  namespace LinuxSampler { namespace gig {
744          {          {
745              const ::gig::Instrument* pInstrument = pEngineChannel->pInstrument;              const ::gig::Instrument* pInstrument = pEngineChannel->pInstrument;
746              if (key >= pInstrument->DimensionKeyRange.low && key <= pInstrument->DimensionKeyRange.high)              if (key >= pInstrument->DimensionKeyRange.low && key <= pInstrument->DimensionKeyRange.high)
747                  pEngineChannel->CurrentKeyDimension = ((key - pInstrument->DimensionKeyRange.low) * 128) /                  pEngineChannel->CurrentKeyDimension = float(key - pInstrument->DimensionKeyRange.low) /
748                      (pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1);                      (pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1);
749          }          }
750    
# Line 696  namespace LinuxSampler { namespace gig { Line 806  namespace LinuxSampler { namespace gig {
806          bool bShouldRelease = pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEventOnKeyList->Param.Note.Key);          bool bShouldRelease = pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEventOnKeyList->Param.Note.Key);
807    
808          // in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any)          // in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any)
809          if (pEngineChannel->SoloMode) { //TODO: this feels like too much code just for handling solo mode :P          if (pEngineChannel->SoloMode && pEngineChannel->pInstrument) { //TODO: this feels like too much code just for handling solo mode :P
810              bool bOtherKeysPressed = false;              bool bOtherKeysPressed = false;
811              if (iKey == pEngineChannel->SoloKey) {              if (iKey == pEngineChannel->SoloKey) {
812                  pEngineChannel->SoloKey = -1;                  pEngineChannel->SoloKey = -1;
# Line 759  namespace LinuxSampler { namespace gig { Line 869  namespace LinuxSampler { namespace gig {
869              itNoteOffEventOnKeyList->Type = Event::type_release; // transform event type              itNoteOffEventOnKeyList->Type = Event::type_release; // transform event type
870    
871              // spawn release triggered voice(s) if needed              // spawn release triggered voice(s) if needed
872              if (pKey->ReleaseTrigger) {              if (pKey->ReleaseTrigger && pEngineChannel->pInstrument) {
873                  // first, get total amount of required voices (dependant on amount of layers)                  // first, get total amount of required voices (dependant on amount of layers)
874                  ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);                  ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);
875                  if (pRegion) {                  if (pRegion) {
# Line 862  namespace LinuxSampler { namespace gig { Line 972  namespace LinuxSampler { namespace gig {
972                      DimValues[i] = itNoteOnEvent->Param.Note.Velocity;                      DimValues[i] = itNoteOnEvent->Param.Note.Velocity;
973                      break;                      break;
974                  case ::gig::dimension_channelaftertouch:                  case ::gig::dimension_channelaftertouch:
975                      DimValues[i] = 0; //TODO: we currently ignore this dimension                      DimValues[i] = pEngineChannel->ControllerTable[128];
976                      break;                      break;
977                  case ::gig::dimension_releasetrigger:                  case ::gig::dimension_releasetrigger:
978                      VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal;                      VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal;
979                      DimValues[i] = (uint) ReleaseTriggerVoice;                      DimValues[i] = (uint) ReleaseTriggerVoice;
980                      break;                      break;
981                  case ::gig::dimension_keyboard:                  case ::gig::dimension_keyboard:
982                      DimValues[i] = (uint) pEngineChannel->CurrentKeyDimension;                      DimValues[i] = (uint) (pEngineChannel->CurrentKeyDimension * pRegion->pDimensionDefinitions[i].zones);
983                      break;                      break;
984                  case ::gig::dimension_roundrobin:                  case ::gig::dimension_roundrobin:
985                      DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on                      DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on
# Line 954  namespace LinuxSampler { namespace gig { Line 1064  namespace LinuxSampler { namespace gig {
1064                      std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush;                      std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush;
1065              }              }
1066          }          }
1067    
1068            // return if this is a release triggered voice and there is no
1069            // releasetrigger dimension (could happen if an instrument
1070            // change has occured between note on and off)
1071            if (ReleaseTriggerVoice && VoiceType != Voice::type_release_trigger) return Pool<Voice>::Iterator();
1072    
1073          ::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues);          ::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues);
1074    
1075          // no need to continue if sample is silent          // no need to continue if sample is silent
# Line 1183  namespace LinuxSampler { namespace gig { Line 1299  namespace LinuxSampler { namespace gig {
1299    
1300              uint keygroup = itVoice->KeyGroup;              uint keygroup = itVoice->KeyGroup;
1301    
1302                // if the sample and dimension region belong to an
1303                // instrument that is unloaded, tell the disk thread to
1304                // release them
1305                if (itVoice->Orphan) {
1306                    pDiskThread->OrderDeletionOfDimreg(itVoice->pDimRgn);
1307                }
1308    
1309              // free the voice object              // free the voice object
1310              pVoicePool->free(itVoice);              pVoicePool->free(itVoice);
1311    
# Line 1227  namespace LinuxSampler { namespace gig { Line 1350  namespace LinuxSampler { namespace gig {
1350          // update controller value in the engine channel's controller table          // update controller value in the engine channel's controller table
1351          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;
1352    
1353            // handle hard coded MIDI controllers
1354          switch (itControlChangeEvent->Param.CC.Controller) {          switch (itControlChangeEvent->Param.CC.Controller) {
1355              case 5: { // portamento time              case 5: { // portamento time
1356                  pEngineChannel->PortamentoTime = (float) itControlChangeEvent->Param.CC.Value / 127.0f * (float) CONFIG_PORTAMENTO_TIME_MAX + (float) CONFIG_PORTAMENTO_TIME_MIN;                  pEngineChannel->PortamentoTime = (float) itControlChangeEvent->Param.CC.Value / 127.0f * (float) CONFIG_PORTAMENTO_TIME_MAX + (float) CONFIG_PORTAMENTO_TIME_MIN;
# Line 1234  namespace LinuxSampler { namespace gig { Line 1358  namespace LinuxSampler { namespace gig {
1358              }              }
1359              case 7: { // volume              case 7: { // volume
1360                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1361                  pEngineChannel->GlobalVolume = VolumeCurve[itControlChangeEvent->Param.CC.Value] *  CONFIG_GLOBAL_ATTENUATION;                  pEngineChannel->MidiVolume = VolumeCurve[itControlChangeEvent->Param.CC.Value];
1362                  pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag                  pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag
1363                  break;                  break;
1364              }              }
# Line 1349  namespace LinuxSampler { namespace gig { Line 1473  namespace LinuxSampler { namespace gig {
1473                  break;                  break;
1474              }              }
1475              case 123: { // all notes off              case 123: { // all notes off
1476                    #if CONFIG_PROCESS_ALL_NOTES_OFF
1477                  ReleaseAllVoices(pEngineChannel, itControlChangeEvent);                  ReleaseAllVoices(pEngineChannel, itControlChangeEvent);
1478                    #endif // CONFIG_PROCESS_ALL_NOTES_OFF
1479                  break;                  break;
1480              }              }
1481              case 126: { // mono mode on              case 126: { // mono mode on
# Line 1363  namespace LinuxSampler { namespace gig { Line 1489  namespace LinuxSampler { namespace gig {
1489                  break;                  break;
1490              }              }
1491          }          }
1492    
1493            // handle FX send controllers
1494            if (!pEngineChannel->fxSends.empty()) {
1495                for (int iFxSend = 0; iFxSend < pEngineChannel->GetFxSendCount(); iFxSend++) {
1496                    FxSend* pFxSend = pEngineChannel->GetFxSend(iFxSend);
1497                    if (pFxSend->MidiController() == itControlChangeEvent->Param.CC.Controller)
1498                        pFxSend->SetLevel(itControlChangeEvent->Param.CC.Value);
1499                }
1500            }
1501      }      }
1502    
1503      /**      /**
# Line 1371  namespace LinuxSampler { namespace gig { Line 1506  namespace LinuxSampler { namespace gig {
1506       *  @param itSysexEvent - sysex data size and time stamp of the sysex event       *  @param itSysexEvent - sysex data size and time stamp of the sysex event
1507       */       */
1508      void Engine::ProcessSysex(Pool<Event>::Iterator& itSysexEvent) {      void Engine::ProcessSysex(Pool<Event>::Iterator& itSysexEvent) {
1509          RingBuffer<uint8_t>::NonVolatileReader reader = pSysexBuffer->get_non_volatile_reader();          RingBuffer<uint8_t,false>::NonVolatileReader reader = pSysexBuffer->get_non_volatile_reader();
1510    
1511          uint8_t exclusive_status, id;          uint8_t exclusive_status, id;
1512          if (!reader.pop(&exclusive_status)) goto free_sysex_data;          if (!reader.pop(&exclusive_status)) goto free_sysex_data;
# Line 1390  namespace LinuxSampler { namespace gig { Line 1525  namespace LinuxSampler { namespace gig {
1525    
1526                  // command address                  // command address
1527                  uint8_t addr[3]; // 2 byte addr MSB, followed by 1 byte addr LSB)                  uint8_t addr[3]; // 2 byte addr MSB, followed by 1 byte addr LSB)
1528                  const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later                  const RingBuffer<uint8_t,false>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later
1529                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;
1530                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters
1531                      dmsg(3,("\tSystem Parameter\n"));                      dmsg(3,("\tSystem Parameter\n"));
# Line 1437  namespace LinuxSampler { namespace gig { Line 1572  namespace LinuxSampler { namespace gig {
1572       *                     question       *                     question
1573       * @param DataSize   - size of the GS message data (in bytes)       * @param DataSize   - size of the GS message data (in bytes)
1574       */       */
1575      uint8_t Engine::GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize) {      uint8_t Engine::GSCheckSum(const RingBuffer<uint8_t,false>::NonVolatileReader AddrReader, uint DataSize) {
1576          RingBuffer<uint8_t>::NonVolatileReader reader = AddrReader;          RingBuffer<uint8_t,false>::NonVolatileReader reader = AddrReader;
1577          uint bytes = 3 /*addr*/ + DataSize;          uint bytes = 3 /*addr*/ + DataSize;
1578          uint8_t addr_and_data[bytes];          uint8_t addr_and_data[bytes];
1579          reader.read(&addr_and_data[0], bytes);          reader.read(&addr_and_data[0], bytes);
# Line 1557  namespace LinuxSampler { namespace gig { Line 1692  namespace LinuxSampler { namespace gig {
1692      }      }
1693    
1694      String Engine::Version() {      String Engine::Version() {
1695          String s = "$Revision: 1.58 $";          String s = "$Revision: 1.72 $";
1696          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
1697      }      }
1698    
1699        InstrumentManager* Engine::GetInstrumentManager() {
1700            return &instruments;
1701        }
1702    
1703      // static constant initializers      // static constant initializers
1704      const float* Engine::VolumeCurve(InitVolumeCurve());      const float* Engine::VolumeCurve(InitVolumeCurve());
1705      const float* Engine::PanCurve(InitPanCurve());      const float* Engine::PanCurve(InitPanCurve());
1706        const float* Engine::CrossfadeCurve(InitCrossfadeCurve());
1707    
1708      float* Engine::InitVolumeCurve() {      float* Engine::InitVolumeCurve() {
1709          // line-segment approximation          // line-segment approximation
# Line 1584  namespace LinuxSampler { namespace gig { Line 1724  namespace LinuxSampler { namespace gig {
1724          return InitCurve(segments, 129);          return InitCurve(segments, 129);
1725      }      }
1726    
1727        float* Engine::InitCrossfadeCurve() {
1728            // line-segment approximation
1729            const float segments[] = {
1730                0, 0, 1, 0.03, 10, 0.1, 51, 0.58, 127, 1
1731            };
1732            return InitCurve(segments);
1733        }
1734    
1735      float* Engine::InitCurve(const float* segments, int size) {      float* Engine::InitCurve(const float* segments, int size) {
1736          float* y = new float[size];          float* y = new float[size];
1737          for (int x = 0 ; x < size ; x++) {          for (int x = 0 ; x < size ; x++) {
# Line 1594  namespace LinuxSampler { namespace gig { Line 1742  namespace LinuxSampler { namespace gig {
1742          return y;          return y;
1743      }      }
1744    
1745        /**
1746         * Changes the instrument for an engine channel.
1747         *
1748         * @param pEngineChannel - engine channel on which the instrument
1749         *                         should be changed
1750         * @param pInstrument - new instrument
1751         * @returns a list of dimension regions from the old instrument
1752         *          that are still in use
1753         */
1754        ::gig::DimensionRegion** Engine::ChangeInstrument(EngineChannel* pEngineChannel, ::gig::Instrument* pInstrument) {
1755            instrument_change_command_t command;
1756            command.pEngineChannel = pEngineChannel;
1757            command.pInstrument = pInstrument;
1758            InstrumentChangeQueue->push(&command);
1759    
1760            // wait for the audio thread to confirm that the instrument
1761            // change has been done
1762            instrument_change_reply_t reply;
1763            while (InstrumentChangeReplyQueue->pop(&reply) == 0) {
1764                usleep(10000);
1765            }
1766            return pDimRegionsInUse;
1767        }
1768    
1769  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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