/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
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revision 903 by persson, Sat Jul 22 14:22:53 2006 UTC revision 947 by schoenebeck, Mon Nov 27 21:34:55 2006 UTC
# Line 329  namespace LinuxSampler { namespace gig { Line 329  namespace LinuxSampler { namespace gig {
329      }      }
330    
331      /**      /**
332       *  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.
333       *  calculated audio data of all voices of this engine will be placed into       * The engine will iterate through all engine channels and render audio
334       *  the engine's audio sum buffer which has to be copied and eventually be       * for each engine channel independently. The calculated audio data of
335       *  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
336       *  AlsaIO or JackIO) right after.       * buffers of the respective audio output device, connected to the
337         * respective engine channel.
338       *       *
339       *  @param Samples - number of sample points to be rendered       *  @param Samples - number of sample points to be rendered
340       *  @returns       0 on success       *  @returns       0 on success
341       */       */
342      int Engine::RenderAudio(uint Samples) {      int Engine::RenderAudio(uint Samples) {
343          dmsg(5,("RenderAudio(Samples=%d)\n", Samples));          dmsg(7,("RenderAudio(Samples=%d)\n", Samples));
344    
345          // return if engine disabled          // return if engine disabled
346          if (EngineDisabled.Pop()) {          if (EngineDisabled.Pop()) {
# Line 1242  namespace LinuxSampler { namespace gig { Line 1243  namespace LinuxSampler { namespace gig {
1243              }              }
1244              case 7: { // volume              case 7: { // volume
1245                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1246                  pEngineChannel->GlobalVolume = VolumeCurve[itControlChangeEvent->Param.CC.Value] *  CONFIG_GLOBAL_ATTENUATION;                  pEngineChannel->MidiVolume = VolumeCurve[itControlChangeEvent->Param.CC.Value];
1247                  pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag                  pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag
1248                  break;                  break;
1249              }              }
# Line 1567  namespace LinuxSampler { namespace gig { Line 1568  namespace LinuxSampler { namespace gig {
1568      }      }
1569    
1570      String Engine::Version() {      String Engine::Version() {
1571          String s = "$Revision: 1.64 $";          String s = "$Revision: 1.66 $";
1572          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
1573      }      }
1574    
1575        InstrumentManager* Engine::GetInstrumentManager() {
1576            return &instruments;
1577        }
1578    
1579      // static constant initializers      // static constant initializers
1580      const float* Engine::VolumeCurve(InitVolumeCurve());      const float* Engine::VolumeCurve(InitVolumeCurve());
1581      const float* Engine::PanCurve(InitPanCurve());      const float* Engine::PanCurve(InitPanCurve());
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