/[svn]/linuxsampler/trunk/src/engines/common/AbstractVoice.cpp
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Diff of /linuxsampler/trunk/src/engines/common/AbstractVoice.cpp

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revision 2205 by iliev, Mon Jul 11 17:52:01 2011 UTC revision 2216 by iliev, Mon Jul 25 17:21:16 2011 UTC
# Line 135  namespace LinuxSampler { Line 135  namespace LinuxSampler {
135          PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate);          PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate);
136          PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate);          PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate);
137    
         finalSynthesisParameters.dPos = RgnInfo.SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)  
         Pos = RgnInfo.SampleStartOffset;  
   
138          // Check if the sample needs disk streaming or is too short for that          // Check if the sample needs disk streaming or is too short for that
139          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;
140          DiskVoice          = cachedsamples < SmplInfo.TotalFrameCount;          DiskVoice          = cachedsamples < SmplInfo.TotalFrameCount;
141    
142            SetSampleStartOffset();
143    
144          if (DiskVoice) { // voice to be streamed from disk          if (DiskVoice) { // voice to be streamed from disk
145              if (cachedsamples > (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH)) {              if (cachedsamples > (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH)) {
146                  MaxRAMPos = cachedsamples - (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH) / SmplInfo.ChannelCount; //TODO: this calculation is too pessimistic and may better be moved to Render() method, so it calculates MaxRAMPos dependent to the current demand of sample points to be rendered (e.g. in case of JACK)                  MaxRAMPos = cachedsamples - (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH) / SmplInfo.ChannelCount; //TODO: this calculation is too pessimistic and may better be moved to Render() method, so it calculates MaxRAMPos dependent to the current demand of sample points to be rendered (e.g. in case of JACK)
# Line 295  namespace LinuxSampler { Line 294  namespace LinuxSampler {
294    
295          return 0; // success          return 0; // success
296      }      }
297        
298        void AbstractVoice::SetSampleStartOffset() {
299            finalSynthesisParameters.dPos = RgnInfo.SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)
300            Pos = RgnInfo.SampleStartOffset;
301        }
302    
303      /**      /**
304       *  Synthesizes the current audio fragment for this voice.       *  Synthesizes the current audio fragment for this voice.
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