--- linuxsampler/trunk/src/engines/gig/Voice.cpp	2010/02/23 18:32:31	2061
+++ linuxsampler/trunk/src/engines/gig/Voice.cpp	2013/02/02 08:22:49	2408
@@ -4,7 +4,7 @@
  *                                                                         *
  *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
  *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
- *   Copyright (C) 2009 - 2010 Christian Schoenebeck and Grigor Iliev      *
+ *   Copyright (C) 2009 - 2013 Christian Schoenebeck and Grigor Iliev      *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -35,6 +35,7 @@
     Voice::Voice() {
         pEngine = NULL;
         pEG1 = &EG1;
+        pEG2 = &EG2;
     }
 
     Voice::~Voice() {
@@ -75,15 +76,6 @@
         ri.Pan       = pRegion->Pan;
         ri.SampleStartOffset = pRegion->SampleStartOffset;
 
-        ri.EG1PreAttack        = pRegion->EG1PreAttack;
-        ri.EG1Attack           = pRegion->EG1Attack;
-        ri.EG1Hold             = pRegion->EG1Hold;
-        ri.EG1Decay1           = pRegion->EG1Decay1;
-        ri.EG1Decay2           = pRegion->EG1Decay2;
-        ri.EG1Sustain          = pRegion->EG1Sustain;
-        ri.EG1InfiniteSustain  = pRegion->EG1InfiniteSustain;
-        ri.EG1Release          = pRegion->EG1Release;
-
         ri.EG2PreAttack        = pRegion->EG2PreAttack;
         ri.EG2Attack           = pRegion->EG2Attack;
         ri.EG2Decay1           = pRegion->EG2Decay1;
@@ -95,7 +87,7 @@
         ri.EG3Attack     = pRegion->EG3Attack;
         ri.EG3Depth      = pRegion->EG3Depth;
         ri.VCFEnabled    = pRegion->VCFEnabled;
-        ri.VCFType       = pRegion->VCFType;
+        ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
         ri.VCFResonance  = pRegion->VCFResonance;
 
         ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
@@ -135,7 +127,7 @@
     void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
         int ccvalue = itEvent->Param.CC.Value;
         if (VCFCutoffCtrl.value == ccvalue) return;
-        VCFCutoffCtrl.value == ccvalue;
+        VCFCutoffCtrl.value = ccvalue;
         if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
         if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
         float cutoff = CutoffBase * float(ccvalue);
@@ -189,9 +181,15 @@
     Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
         EGInfo eg;
         // (eg1attack is different from the others)
-        eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
-            1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
-                                  1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
+        if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
+            (pRegion->EG1ControllerAttackInfluence == 0 ||
+             eg1ControllerValue <= 10)) { // strange GSt special case
+            eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
+        } else {
+            eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
+                1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
+                                      1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
+        }
         eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
         eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
 
@@ -341,7 +339,7 @@
                 break;
             case ::gig::lfo3_ctrl_internal_aftertouch:
                 lfo3_internal_depth  = pRegion->LFO3InternalDepth;
-                pLFO1->ExtController = 128;
+                pLFO3->ExtController = 128;
                 bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
                 break;
             default:
@@ -363,7 +361,7 @@
     float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
         float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
         if (pRegion->VCFKeyboardTracking) {
-            cutoff *= exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)
+            cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
         }
         return cutoff;
     }
@@ -451,15 +449,66 @@
     }
 
     void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
-        EG1.trigger(uint(RgnInfo.EG1PreAttack),
-                    RgnInfo.EG1Attack * egInfo.Attack,
-                    RgnInfo.EG1Hold,
-                    RgnInfo.EG1Decay1 * egInfo.Decay * velrelease,
-                    RgnInfo.EG1Decay2 * egInfo.Decay * velrelease,
-                    RgnInfo.EG1InfiniteSustain,
-                    uint(RgnInfo.EG1Sustain),
-                    RgnInfo.EG1Release * egInfo.Release * velrelease,
+        EG1.trigger(pRegion->EG1PreAttack,
+                    RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
+                    pRegion->EG1Hold,
+                    pRegion->EG1Decay1 * egInfo.Decay * velrelease,
+                    pRegion->EG1Decay2 * egInfo.Decay * velrelease,
+                    pRegion->EG1InfiniteSustain,
+                    pRegion->EG1Sustain,
+                    RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
+                    velocityAttenuation,
+                    sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
+    }
+
+    void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
+        EG2.trigger(uint(RgnInfo.EG2PreAttack),
+                    RgnInfo.EG2Attack * egInfo.Attack,
+                    false,
+                    RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
+                    RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
+                    RgnInfo.EG2InfiniteSustain,
+                    uint(RgnInfo.EG2Sustain),
+                    RgnInfo.EG2Release * egInfo.Release * velrelease,
                     velocityAttenuation,
                     sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
     }
+
+    void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
+        dmsg(4,("Voice %x processGroupEvents event type=%d", this, itEvent->Type));
+
+        // TODO: The SustainPedal condition could be wrong, maybe the
+        // check should be if this Voice is in release stage or is a
+        // release sample instead. Need to test this in GSt.
+        // -- Andreas
+        //
+        // Commented sustain pedal check out. I don't think voices of the same
+        // note should be stopped at all, because it doesn't sound naturally
+        // with a drumkit.
+        // -- Christian, 2013-01-08
+        if (itEvent->Param.Note.Key != MIDIKey /*||
+            !GetGigEngineChannel()->SustainPedal*/) {
+            dmsg(4,("Voice %x - kill", this));
+
+            // kill the voice fast
+            pEG1->enterFadeOutStage();
+        }
+    }
+
+    void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
+        EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
+    }
+
+    int Voice::CalculatePan(uint8_t pan) {
+        int p;
+        // Gst behaviour: -64 and 63 are special cases
+        if (RgnInfo.Pan == -64)     p = pan * 2 - 127;
+        else if (RgnInfo.Pan == 63) p = pan * 2;
+        else                        p = pan + RgnInfo.Pan;
+
+        if (p < 0) return 0;
+        if (p > 127) return 127;
+        return p;
+    }
+
 }} // namespace LinuxSampler::gig