/[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 669 by schoenebeck, Tue Jun 21 13:33:19 2005 UTC revision 705 by schoenebeck, Wed Jul 20 21:43:23 2005 UTC
# Line 240  namespace LinuxSampler { namespace gig { Line 240  namespace LinuxSampler { namespace gig {
240    
241          // FIXME: audio drivers with varying fragment sizes might be a problem here          // FIXME: audio drivers with varying fragment sizes might be a problem here
242          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1;          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1;
243          if (MaxFadeOutPos < 0)          if (MaxFadeOutPos < 0) {
244              throw LinuxSamplerException("CONFIG_EG_MIN_RELEASE_TIME too big for current audio fragment size / sampling rate!");              std::cerr << "gig::Engine: WARNING, CONFIG_EG_MIN_RELEASE_TIME "
245                          << "too big for current audio fragment size & sampling rate! "
246                          << "May lead to click sounds if voice stealing chimes in!\n" << std::flush;
247                // force volume ramp downs at the beginning of each fragment
248                MaxFadeOutPos = 0;
249                // lower minimum release time
250                const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;
251                for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
252                    iterVoice->pEG1->CalculateFadeOutCoeff(minReleaseTime, SampleRate);
253                }
254                pVoicePool->clear();
255            }
256    
257          // (re)create disk thread          // (re)create disk thread
258          if (this->pDiskThread) {          if (this->pDiskThread) {
# Line 481  namespace LinuxSampler { namespace gig { Line 492  namespace LinuxSampler { namespace gig {
492       *                         this audio fragment cycle       *                         this audio fragment cycle
493       */       */
494      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {
495            if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
496    
497          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
498          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
499          while (iuiKey != end) { // iterate through all active keys          while (iuiKey != end) { // iterate through all active keys
# Line 609  namespace LinuxSampler { namespace gig { Line 622  namespace LinuxSampler { namespace gig {
622       *  @param itNoteOnEvent - key, velocity and time stamp of the event       *  @param itNoteOnEvent - key, velocity and time stamp of the event
623       */       */
624      void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {      void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {
625           if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
626    
627          const int key = itNoteOnEvent->Param.Note.Key;          const int key = itNoteOnEvent->Param.Note.Key;
628    
# Line 668  namespace LinuxSampler { namespace gig { Line 682  namespace LinuxSampler { namespace gig {
682       *  @param itNoteOffEvent - key, velocity and time stamp of the event       *  @param itNoteOffEvent - key, velocity and time stamp of the event
683       */       */
684      void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) {      void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) {
685          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key];          if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
686    
687            midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key];
688          pKey->KeyPressed = false; // the MIDI key was now released          pKey->KeyPressed = false; // the MIDI key was now released
689    
690          // release voices on this key if needed          // release voices on this key if needed
# Line 1170  namespace LinuxSampler { namespace gig { Line 1185  namespace LinuxSampler { namespace gig {
1185                      dmsg(4,("PEDAL DOWN\n"));                      dmsg(4,("PEDAL DOWN\n"));
1186                      pEngineChannel->SustainPedal = true;                      pEngineChannel->SustainPedal = true;
1187    
1188                        if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
1189    
1190                      // cancel release process of voices if necessary                      // cancel release process of voices if necessary
1191                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1192                      for (; iuiKey; ++iuiKey) {                      for (; iuiKey; ++iuiKey) {
# Line 1188  namespace LinuxSampler { namespace gig { Line 1205  namespace LinuxSampler { namespace gig {
1205                      dmsg(4,("PEDAL UP\n"));                      dmsg(4,("PEDAL UP\n"));
1206                      pEngineChannel->SustainPedal = false;                      pEngineChannel->SustainPedal = false;
1207    
1208                        if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
1209    
1210                      // release voices if their respective key is not pressed                      // release voices if their respective key is not pressed
1211                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1212                      for (; iuiKey; ++iuiKey) {                      for (; iuiKey; ++iuiKey) {
# Line 1412  namespace LinuxSampler { namespace gig { Line 1431  namespace LinuxSampler { namespace gig {
1431      }      }
1432    
1433      String Engine::Version() {      String Engine::Version() {
1434          String s = "$Revision: 1.47 $";          String s = "$Revision: 1.50 $";
1435          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
1436      }      }
1437    
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