/[svn]/linuxsampler/trunk/src/engines/gig/EngineChannel.cpp
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/gig/EngineChannel.cpp

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

revision 947 by schoenebeck, Mon Nov 27 21:34:55 2006 UTC revision 1653 by schoenebeck, Wed Jan 30 01:51:46 2008 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005, 2006 Christian Schoenebeck                        *   *   Copyright (C) 2005 - 2008 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 23  Line 23 
23    
24  #include "EngineChannel.h"  #include "EngineChannel.h"
25    
26    #include "../../common/global_private.h"
27    
28  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
29    
30      EngineChannel::EngineChannel() {      EngineChannel::EngineChannel() :
31            InstrumentChangeCommandReader(InstrumentChangeCommand) {
32          pMIDIKeyInfo = new midi_key_info_t[128];          pMIDIKeyInfo = new midi_key_info_t[128];
33          pEngine      = NULL;          pEngine      = NULL;
34          pInstrument  = NULL;          pInstrument  = NULL;
35          pEvents      = NULL; // we allocate when we retrieve the right Engine object          pEvents      = NULL; // we allocate when we retrieve the right Engine object
36          pEventQueue  = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue  = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);
37          pActiveKeys  = new Pool<uint>(128);          pActiveKeys  = new Pool<uint>(128);
38          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
39              pMIDIKeyInfo[i].pActiveVoices  = NULL; // we allocate when we retrieve the right Engine object              pMIDIKeyInfo[i].pActiveVoices  = NULL; // we allocate when we retrieve the right Engine object
# Line 43  namespace LinuxSampler { namespace gig { Line 46  namespace LinuxSampler { namespace gig {
46          }          }
47          InstrumentIdx  = -1;          InstrumentIdx  = -1;
48          InstrumentStat = -1;          InstrumentStat = -1;
49            pChannelLeft  = NULL;
50            pChannelRight = NULL;
51          AudioDeviceChannelLeft  = -1;          AudioDeviceChannelLeft  = -1;
52          AudioDeviceChannelRight = -1;          AudioDeviceChannelRight = -1;
53          pMidiInputPort = NULL;          pMidiInputPort = NULL;
# Line 55  namespace LinuxSampler { namespace gig { Line 60  namespace LinuxSampler { namespace gig {
60    
61      EngineChannel::~EngineChannel() {      EngineChannel::~EngineChannel() {
62          DisconnectAudioOutputDevice();          DisconnectAudioOutputDevice();
         if (pInstrument) Engine::instruments.HandBack(pInstrument, this);  
63          if (pEventQueue) delete pEventQueue;          if (pEventQueue) delete pEventQueue;
64          if (pActiveKeys) delete pActiveKeys;          if (pActiveKeys) delete pActiveKeys;
65          if (pMIDIKeyInfo) delete[] pMIDIKeyInfo;          if (pMIDIKeyInfo) delete[] pMIDIKeyInfo;
66            RemoveAllFxSends();
67      }      }
68    
69      /**      /**
# Line 156  namespace LinuxSampler { namespace gig { Line 161  namespace LinuxSampler { namespace gig {
161       * This method will then actually start to load the instrument and block       * This method will then actually start to load the instrument and block
162       * the calling thread until loading was completed.       * the calling thread until loading was completed.
163       *       *
      * @returns detailed description of the method call result  
164       * @see PrepareLoadInstrument()       * @see PrepareLoadInstrument()
165       */       */
166      void EngineChannel::LoadInstrument() {      void EngineChannel::LoadInstrument() {
167            // make sure we don't trigger any new notes with an old
168          if (pEngine) pEngine->DisableAndLock();          // instrument
169            instrument_change_command_t& cmd = ChangeInstrument(0);
170          ResetInternal();          if (cmd.pInstrument) {
171                // give old instrument back to instrument manager, but
172          // free old instrument              // keep the dimension regions and samples that are in use
173          if (pInstrument) {              Engine::instruments.HandBackInstrument(cmd.pInstrument, this, cmd.pDimRegionsInUse);
             // give old instrument back to instrument manager  
             Engine::instruments.HandBack(pInstrument, this);  
174          }          }
175            cmd.pDimRegionsInUse->clear();
176    
177          // delete all key groups          // delete all key groups
178          ActiveKeyGroups.clear();          ActiveKeyGroups.clear();
179    
180          // request gig instrument from instrument manager          // request gig instrument from instrument manager
181            ::gig::Instrument* newInstrument;
182          try {          try {
183              InstrumentManager::instrument_id_t instrid;              InstrumentManager::instrument_id_t instrid;
184              instrid.FileName  = InstrumentFile;              instrid.FileName  = InstrumentFile;
185              instrid.Index     = InstrumentIdx;              instrid.Index     = InstrumentIdx;
186              pInstrument = Engine::instruments.Borrow(instrid, this);              newInstrument = Engine::instruments.Borrow(instrid, this);
187              if (!pInstrument) {              if (!newInstrument) {
188                  InstrumentStat = -1;                  throw InstrumentManagerException("resource was not created");
                 dmsg(1,("no instrument loaded!!!\n"));  
                 exit(EXIT_FAILURE);  
189              }              }
190          }          }
191          catch (RIFF::Exception e) {          catch (RIFF::Exception e) {
192              InstrumentStat = -2;              InstrumentStat = -2;
193                StatusChanged(true);
194              String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message;              String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message;
195              throw Exception(msg);              throw Exception(msg);
196          }          }
197          catch (InstrumentResourceManagerException e) {          catch (InstrumentManagerException e) {
198              InstrumentStat = -3;              InstrumentStat = -3;
199                StatusChanged(true);
200              String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message();              String msg = "gig::Engine error: Failed to load instrument, cause: " + e.Message();
201              throw Exception(msg);              throw Exception(msg);
202          }          }
203          catch (...) {          catch (...) {
204              InstrumentStat = -4;              InstrumentStat = -4;
205                StatusChanged(true);
206              throw Exception("gig::Engine error: Failed to load instrument, cause: Unknown exception while trying to parse gig file.");              throw Exception("gig::Engine error: Failed to load instrument, cause: Unknown exception while trying to parse gig file.");
207          }          }
208    
209          // rebuild ActiveKeyGroups map with key groups of current instrument          // rebuild ActiveKeyGroups map with key groups of current instrument
210          for (::gig::Region* pRegion = pInstrument->GetFirstRegion(); pRegion; pRegion = pInstrument->GetNextRegion())          for (::gig::Region* pRegion = newInstrument->GetFirstRegion(); pRegion; pRegion = newInstrument->GetNextRegion())
211              if (pRegion->KeyGroup) ActiveKeyGroups[pRegion->KeyGroup] = NULL;              if (pRegion->KeyGroup) ActiveKeyGroups[pRegion->KeyGroup] = NULL;
212    
213          InstrumentIdxName = pInstrument->pInfo->Name;          InstrumentIdxName = newInstrument->pInfo->Name;
214          InstrumentStat = 100;          InstrumentStat = 100;
215    
216          // inform audio driver for the need of two channels          ChangeInstrument(newInstrument);
         try {  
             if (pEngine && pEngine->pAudioOutputDevice)  
                 pEngine->pAudioOutputDevice->AcquireChannels(2); // gig Engine only stereo  
         }  
         catch (AudioOutputException e) {  
             String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message();  
             throw Exception(msg);  
         }  
217    
218          if (pEngine) pEngine->Enable();          StatusChanged(true);
219        }
220    
221    
222        /**
223         * Changes the instrument for an engine channel.
224         *
225         * @param pInstrument - new instrument
226         * @returns the resulting instrument change command after the
227         *          command switch, containing the old instrument and
228         *          the dimregions it is using
229         */
230        EngineChannel::instrument_change_command_t& EngineChannel::ChangeInstrument(::gig::Instrument* pInstrument) {
231            instrument_change_command_t& cmd = InstrumentChangeCommand.GetConfigForUpdate();
232            cmd.pInstrument = pInstrument;
233            cmd.bChangeInstrument = true;
234    
235            return InstrumentChangeCommand.SwitchConfig();
236      }      }
237    
238      /**      /**
# Line 263  namespace LinuxSampler { namespace gig { Line 277  namespace LinuxSampler { namespace gig {
277          pEngine = Engine::AcquireEngine(this, pAudioOut);          pEngine = Engine::AcquireEngine(this, pAudioOut);
278          ResetInternal();          ResetInternal();
279          pEvents = new RTList<Event>(pEngine->pEventPool);          pEvents = new RTList<Event>(pEngine->pEventPool);
280    
281            // reset the instrument change command struct (need to be done
282            // twice, as it is double buffered)
283            {
284                instrument_change_command_t& cmd = InstrumentChangeCommand.GetConfigForUpdate();
285                cmd.pDimRegionsInUse = new RTList< ::gig::DimensionRegion*>(pEngine->pDimRegionPool[0]);
286                cmd.pInstrument = 0;
287                cmd.bChangeInstrument = false;
288            }
289            {
290                instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig();
291                cmd.pDimRegionsInUse = new RTList< ::gig::DimensionRegion*>(pEngine->pDimRegionPool[1]);
292                cmd.pInstrument = 0;
293                cmd.bChangeInstrument = false;
294            }
295    
296          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
297              pMIDIKeyInfo[i].pActiveVoices = new RTList<Voice>(pEngine->pVoicePool);              pMIDIKeyInfo[i].pActiveVoices = new RTList<Voice>(pEngine->pVoicePool);
298              pMIDIKeyInfo[i].pEvents       = new RTList<Event>(pEngine->pEventPool);              pMIDIKeyInfo[i].pEvents       = new RTList<Event>(pEngine->pEventPool);
299          }          }
300          AudioDeviceChannelLeft  = 0;          AudioDeviceChannelLeft  = 0;
301          AudioDeviceChannelRight = 1;          AudioDeviceChannelRight = 1;
302          pOutputLeft             = pAudioOut->Channel(0)->Buffer();          if (fxSends.empty()) { // render directly into the AudioDevice's output buffers
303          pOutputRight            = pAudioOut->Channel(1)->Buffer();              pChannelLeft  = pAudioOut->Channel(AudioDeviceChannelLeft);
304                pChannelRight = pAudioOut->Channel(AudioDeviceChannelRight);
305            } else { // use local buffers for rendering and copy later
306                // ensure the local buffers have the correct size
307                if (pChannelLeft)  delete pChannelLeft;
308                if (pChannelRight) delete pChannelRight;
309                pChannelLeft  = new AudioChannel(0, pAudioOut->MaxSamplesPerCycle());
310                pChannelRight = new AudioChannel(1, pAudioOut->MaxSamplesPerCycle());
311            }
312            if (pEngine->EngineDisabled.GetUnsafe()) pEngine->Enable();
313          MidiInputPort::AddSysexListener(pEngine);          MidiInputPort::AddSysexListener(pEngine);
314      }      }
315    
316      void EngineChannel::DisconnectAudioOutputDevice() {      void EngineChannel::DisconnectAudioOutputDevice() {
317          if (pEngine) { // if clause to prevent disconnect loops          if (pEngine) { // if clause to prevent disconnect loops
318    
319                // delete the structures used for instrument change
320                RTList< ::gig::DimensionRegion*>* d = InstrumentChangeCommand.GetConfigForUpdate().pDimRegionsInUse;
321                if (d) delete d;
322                EngineChannel::instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig();
323                d = cmd.pDimRegionsInUse;
324    
325                if (cmd.pInstrument) {
326                    // release the currently loaded instrument
327                    Engine::instruments.HandBackInstrument(cmd.pInstrument, this, d);
328                }
329                if (d) delete d;
330    
331                // release all active dimension regions to resource
332                // manager
333                RTList<uint>::Iterator iuiKey = pActiveKeys->first();
334                RTList<uint>::Iterator end    = pActiveKeys->end();
335                while (iuiKey != end) { // iterate through all active keys
336                    midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey];
337                    ++iuiKey;
338    
339                    RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
340                    RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
341                    for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
342                        Engine::instruments.HandBackDimReg(itVoice->pDimRgn);
343                    }
344                }
345    
346              ResetInternal();              ResetInternal();
347              if (pEvents) {              if (pEvents) {
348                  delete pEvents;                  delete pEvents;
# Line 297  namespace LinuxSampler { namespace gig { Line 364  namespace LinuxSampler { namespace gig {
364              Engine::FreeEngine(this, oldAudioDevice);              Engine::FreeEngine(this, oldAudioDevice);
365              AudioDeviceChannelLeft  = -1;              AudioDeviceChannelLeft  = -1;
366              AudioDeviceChannelRight = -1;              AudioDeviceChannelRight = -1;
367                if (!fxSends.empty()) { // free the local rendering buffers
368                    if (pChannelLeft)  delete pChannelLeft;
369                    if (pChannelRight) delete pChannelRight;
370                }
371                pChannelLeft  = NULL;
372                pChannelRight = NULL;
373          }          }
374      }      }
375    
376        AudioOutputDevice* EngineChannel::GetAudioOutputDevice() {
377            return (pEngine) ? pEngine->pAudioOutputDevice : NULL;
378        }
379    
380      void EngineChannel::SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) {      void EngineChannel::SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) {
381          if (!pEngine || !pEngine->pAudioOutputDevice) throw AudioOutputException("No audio output device connected yet.");          if (!pEngine || !pEngine->pAudioOutputDevice) throw AudioOutputException("No audio output device connected yet.");
382    
# Line 307  namespace LinuxSampler { namespace gig { Line 384  namespace LinuxSampler { namespace gig {
384          if (!pChannel) throw AudioOutputException("Invalid audio output device channel " + ToString(AudioDeviceChannel));          if (!pChannel) throw AudioOutputException("Invalid audio output device channel " + ToString(AudioDeviceChannel));
385          switch (EngineAudioChannel) {          switch (EngineAudioChannel) {
386              case 0: // left output channel              case 0: // left output channel
387                  pOutputLeft = pChannel->Buffer();                  if (fxSends.empty()) pChannelLeft = pChannel;
388                  AudioDeviceChannelLeft = AudioDeviceChannel;                  AudioDeviceChannelLeft = AudioDeviceChannel;
389                  break;                  break;
390              case 1: // right output channel              case 1: // right output channel
391                  pOutputRight = pChannel->Buffer();                  if (fxSends.empty()) pChannelRight = pChannel;
392                  AudioDeviceChannelRight = AudioDeviceChannel;                  AudioDeviceChannelRight = AudioDeviceChannel;
393                  break;                  break;
394              default:              default:
395                  throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel));                  throw AudioOutputException("Invalid engine audio channel " + ToString(EngineAudioChannel));
396          }          }
397    
398            bStatusChanged = true;
399      }      }
400    
401      int EngineChannel::OutputChannel(uint EngineAudioChannel) {      int EngineChannel::OutputChannel(uint EngineAudioChannel) {
# Line 352  namespace LinuxSampler { namespace gig { Line 431  namespace LinuxSampler { namespace gig {
431          return midiChannel;          return midiChannel;
432      }      }
433    
434        FxSend* EngineChannel::AddFxSend(uint8_t MidiCtrl, String Name) throw (Exception) {
435            if (pEngine) pEngine->DisableAndLock();
436            FxSend* pFxSend = new FxSend(this, MidiCtrl, Name);
437            if (fxSends.empty()) {
438                if (pEngine && pEngine->pAudioOutputDevice) {
439                    AudioOutputDevice* pDevice = pEngine->pAudioOutputDevice;
440                    // create local render buffers
441                    pChannelLeft  = new AudioChannel(0, pDevice->MaxSamplesPerCycle());
442                    pChannelRight = new AudioChannel(1, pDevice->MaxSamplesPerCycle());
443                } else {
444                    // postpone local render buffer creation until audio device is assigned
445                    pChannelLeft  = NULL;
446                    pChannelRight = NULL;
447                }
448            }
449            fxSends.push_back(pFxSend);
450            if (pEngine) pEngine->Enable();
451            fireFxSendCountChanged(iSamplerChannelIndex, GetFxSendCount());
452    
453            return pFxSend;
454        }
455    
456        FxSend* EngineChannel::GetFxSend(uint FxSendIndex) {
457            return (FxSendIndex < fxSends.size()) ? fxSends[FxSendIndex] : NULL;
458        }
459    
460        uint EngineChannel::GetFxSendCount() {
461            return fxSends.size();
462        }
463    
464        void EngineChannel::RemoveFxSend(FxSend* pFxSend) {
465            if (pEngine) pEngine->DisableAndLock();
466            for (
467                std::vector<FxSend*>::iterator iter = fxSends.begin();
468                iter != fxSends.end(); iter++
469            ) {
470                if (*iter == pFxSend) {
471                    delete pFxSend;
472                    fxSends.erase(iter);
473                    if (fxSends.empty()) {
474                        // destroy local render buffers
475                        if (pChannelLeft)  delete pChannelLeft;
476                        if (pChannelRight) delete pChannelRight;
477                        // fallback to render directly into AudioOutputDevice's buffers
478                        if (pEngine && pEngine->pAudioOutputDevice) {
479                            pChannelLeft  = pEngine->pAudioOutputDevice->Channel(AudioDeviceChannelLeft);
480                            pChannelRight = pEngine->pAudioOutputDevice->Channel(AudioDeviceChannelRight);
481                        } else { // we update the pointers later
482                            pChannelLeft  = NULL;
483                            pChannelRight = NULL;
484                        }
485                    }
486                    break;
487                }
488            }
489            if (pEngine) pEngine->Enable();
490            fireFxSendCountChanged(iSamplerChannelIndex, GetFxSendCount());
491        }
492    
493      /**      /**
494       *  Will be called by the MIDIIn Thread to let the audio thread trigger a new       *  Will be called by the MIDIIn Thread to let the audio thread trigger a new
495       *  voice for the given key. This method is meant for real time rendering,       *  voice for the given key. This method is meant for real time rendering,
# Line 370  namespace LinuxSampler { namespace gig { Line 508  namespace LinuxSampler { namespace gig {
508              event.pEngineChannel      = this;              event.pEngineChannel      = this;
509              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
510              else dmsg(1,("EngineChannel: Input event queue full!"));              else dmsg(1,("EngineChannel: Input event queue full!"));
511                // inform instrument editor(s), if any ...
512                pEngine->instruments.TrySendNoteOnToEditors(Key, Velocity, pInstrument);
513          }          }
514      }      }
515    
# Line 396  namespace LinuxSampler { namespace gig { Line 536  namespace LinuxSampler { namespace gig {
536              event.pEngineChannel      = this;              event.pEngineChannel      = this;
537              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
538              else dmsg(1,("EngineChannel: Input event queue full!"));              else dmsg(1,("EngineChannel: Input event queue full!"));
539                // inform instrument editor(s), if any ...
540                pEngine->instruments.TrySendNoteOnToEditors(Key, Velocity, pInstrument);
541          }          }
542      }      }
543    
# Line 417  namespace LinuxSampler { namespace gig { Line 559  namespace LinuxSampler { namespace gig {
559              event.pEngineChannel      = this;              event.pEngineChannel      = this;
560              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
561              else dmsg(1,("EngineChannel: Input event queue full!"));              else dmsg(1,("EngineChannel: Input event queue full!"));
562                // inform instrument editor(s), if any ...
563                pEngine->instruments.TrySendNoteOffToEditors(Key, Velocity, pInstrument);
564          }          }
565      }      }
566    
# Line 443  namespace LinuxSampler { namespace gig { Line 587  namespace LinuxSampler { namespace gig {
587              event.pEngineChannel      = this;              event.pEngineChannel      = this;
588              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
589              else dmsg(1,("EngineChannel: Input event queue full!"));              else dmsg(1,("EngineChannel: Input event queue full!"));
590                // inform instrument editor(s), if any ...
591                pEngine->instruments.TrySendNoteOffToEditors(Key, Velocity, pInstrument);
592          }          }
593      }      }
594    
# Line 552  namespace LinuxSampler { namespace gig { Line 698  namespace LinuxSampler { namespace gig {
698          Pitch          = 0;          Pitch          = 0;
699          SustainPedal   = false;          SustainPedal   = false;
700          SostenutoPedal = false;          SostenutoPedal = false;
701          GlobalVolume   = CONFIG_GLOBAL_ATTENUATION;          GlobalVolume   = 1.0f;
702          MidiVolume     = 1.0;          MidiVolume     = 1.0;
703          GlobalPanLeft  = 1.0f;          GlobalPanLeft  = 1.0f;
704          GlobalPanRight = 1.0f;          GlobalPanRight = 1.0f;
705            GlobalTranspose = 0;
706          // set all MIDI controller values to zero          // set all MIDI controller values to zero
707          memset(ControllerTable, 0x00, 129);          memset(ControllerTable, 0x00, 129);
708            // reset all FX Send levels
709            for (
710                std::vector<FxSend*>::iterator iter = fxSends.begin();
711                iter != fxSends.end(); iter++
712            ) {
713                (*iter)->Reset();
714            }
715      }      }
716    
717      /**      /**
# Line 574  namespace LinuxSampler { namespace gig { Line 728  namespace LinuxSampler { namespace gig {
728       *                  current audio cycle       *                  current audio cycle
729       */       */
730      void EngineChannel::ImportEvents(uint Samples) {      void EngineChannel::ImportEvents(uint Samples) {
731          RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();          RingBuffer<Event,false>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();
732          Event* pEvent;          Event* pEvent;
733          while (true) {          while (true) {
734              // get next event from input event queue              // get next event from input event queue
# Line 596  namespace LinuxSampler { namespace gig { Line 750  namespace LinuxSampler { namespace gig {
750          eventQueueReader.free(); // free all copied events from input queue          eventQueueReader.free(); // free all copied events from input queue
751      }      }
752    
753        void EngineChannel::RemoveAllFxSends() {
754            if (pEngine) pEngine->DisableAndLock();
755            if (!fxSends.empty()) { // free local render buffers
756                if (pChannelLeft) {
757                    delete pChannelLeft;
758                    if (pEngine && pEngine->pAudioOutputDevice) {
759                        // fallback to render directly to the AudioOutputDevice's buffer
760                        pChannelLeft = pEngine->pAudioOutputDevice->Channel(AudioDeviceChannelLeft);
761                    } else pChannelLeft = NULL;
762                }
763                if (pChannelRight) {
764                    delete pChannelRight;
765                    if (pEngine && pEngine->pAudioOutputDevice) {
766                        // fallback to render directly to the AudioOutputDevice's buffer
767                        pChannelRight = pEngine->pAudioOutputDevice->Channel(AudioDeviceChannelRight);
768                    } else pChannelRight = NULL;
769                }
770            }
771            for (int i = 0; i < fxSends.size(); i++) delete fxSends[i];
772            fxSends.clear();
773            if (pEngine) pEngine->Enable();
774        }
775    
776      float EngineChannel::Volume() {      float EngineChannel::Volume() {
777          return GlobalVolume;          return GlobalVolume;
778      }      }
Legend:
Removed from v.947  
changed lines
  Added in v.1653
  ViewVC Help
Powered by ViewVC