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Updating the Updating read and write functions to current specs
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@ZILtoid1991
ZILtoid1991 committed Jun 4, 2023
1 parent 040984f commit ebef645
Showing 1 changed file with 114 additions and 42 deletions.
156 changes: 114 additions & 42 deletions pixelperfectengine/src/pixelperfectengine/audio/modules/delaylines.d
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ public class DelayLines : AudioModule {
SET_VALS ~= MValue(MValueType.Float, (i<<7) | (19), "Tap" ~ i.to!string ~ "_FeedbackSec");
SET_VALS ~= MValue(MValueType.Int32, (i<<7) | (20), "Tap" ~ i.to!string ~ "_Pos");
SET_VALS ~= MValue(MValueType.Boolean, (i<<7) | (21), "Tap" ~ i.to!string ~ "_TapEnable");
SET_VALS ~= MValue(MValueType.Boolean, (i<<7) | (22), "Tap" ~ i.to!string ~ "_BypassFIR");
}
for (uint i ; i < 4 ; i++) {
SET_VALS ~= MValue(MValueType.Int32, (8<<7) | (i<<3) | (0), "LFO" ~ i.to!string ~ "_Waveform");
Expand All @@ -51,10 +52,10 @@ public class DelayLines : AudioModule {
SET_VALS ~= MValue(MValueType.Float, (8<<7) | (i<<3) | (3), "LFO" ~ i.to!string ~ "_PWM");
SET_VALS ~= MValue(MValueType.Int32, (8<<7) | (i<<3) | (4), "LFO" ~ i.to!string ~ "_Target");
}
for (uint i ; i < 4 ; i++) {
SET_VALS ~= MValue(MValueType.Float, (9<<7) | (i<<3) | (0), "EQ" ~ i.to!string ~ "_Level");
SET_VALS ~= MValue(MValueType.Float, (9<<7) | (i<<3) | (1), "EQ" ~ i.to!string ~ "_Freq");
SET_VALS ~= MValue(MValueType.Float, (9<<7) | (i<<3) | (2), "EQ" ~ i.to!string ~ "_Q");
for (uint i ; i < 8 ; i++) {
SET_VALS ~= MValue(MValueType.Float, (9<<7) | (i<<2) | (0), "EQ" ~ i.to!string ~ "_Level");
SET_VALS ~= MValue(MValueType.Float, (9<<7) | (i<<2) | (1), "EQ" ~ i.to!string ~ "_Freq");
SET_VALS ~= MValue(MValueType.Float, (9<<7) | (i<<2) | (2), "EQ" ~ i.to!string ~ "_Q");
}
SET_VALS ~= MValue(MValueType.Float, (10<<7) | (0), "InputAtoPri");
SET_VALS ~= MValue(MValueType.Float, (10<<7) | (1), "InputAtoSec");
Expand All @@ -73,14 +74,15 @@ public class DelayLines : AudioModule {
__m128[4] fir = [__m128(0.0),__m128(0.0),__m128(0.0),__m128(0.0)];///Short finite impulse response for the tap tap
uint pos; ///Median position of the tap (unaffected by LFO)
bool tapEnable; ///True if tap is enabled
bool bypassFIR; ///Bypasses FIR calculation
}

///Defines an LFO target
protected enum OscTarget : ubyte {
init = 0,
TapOut = 1,
TapFeedback = 2,
TapPosition = 3,
TapPosition = 4,
ToA = 8,
ToB = 16,
}
Expand Down Expand Up @@ -111,10 +113,11 @@ public class DelayLines : AudioModule {
Tap[4][2] taps; ///Defines delay line taps
__m128[2] iirFreq; ///Defines IIR frequencies
__m128[2] iirQ; ///Defines IIR Q value
__m128[2] eqLevels; ///Stores EQ send levels
__m128 inputLevel;
__m128 oscLevels; ///Defines the amount of effect a given LFO has on a parameter
float[4] oscFrequencies; ///Defines LFO freqencies
float[4] oscPWM; ///Defines the PWM of the LFOs
uint[4] oscPWM; ///Defines the PWM of the LFOs
float[2] outputLevel;
ubyte[4] oscTargets; ///Sets the target of a given LFO
ubyte[4][2] iirType; ///Defines IIR types
Expand Down Expand Up @@ -185,12 +188,44 @@ public class DelayLines : AudioModule {

}

protected void controlChangeCmd(uint paramID, uint val) @nogc nothrow {
protected void controlChangeCmd(ubyte paramMSB, ubyte paramLSB, uint val) @nogc nothrow {

}

protected void presetChangeCmd(uint preset) @nogc nothrow {
protected void resetFilter(int filterID) @safe @nogc nothrow pure {
filterBanks[filterID>>2].setFilter(createBPF1(sampleRate, currPreset.iirFreq[filterID>>2][filterID & 3],
currPreset.iirFreq[filterID>>2][filterID & 3]), filterID & 3);
filterBanks[filterID>>2].fixFilter();
}

protected void resetLFO(int lfoID) @safe @nogc nothrow pure {
osc.setRate(sampleRate, currPreset.oscFrequencies[lfoID], lfoID);
osc.pulseWidth[lfoID] = currPreset.oscPWM[lfoID];
const int waveNum = cast(int)currPreset.oscWaveform[lfoID].sawtooth + cast(int)currPreset.oscWaveform[lfoID].triangle
+ cast(int)currPreset.oscWaveform[lfoID].pulse + cast(int)currPreset.oscWaveform[lfoID].sawpulse;
if (waveNum) {
const short level = cast(short)((short.max * currPreset.oscWaveform[lfoID].phaseInvert) / waveNum);
if (currPreset.oscWaveform[lfoID].sawtooth)
osc.levelCtrl01[lfoID * 2] = level;
if (currPreset.oscWaveform[lfoID].triangle)
osc.levelCtrl01[lfoID * 2 + 1] = level;
if (currPreset.oscWaveform[lfoID].pulse)
osc.levelCtrl23[lfoID * 2] = level;
if (currPreset.oscWaveform[lfoID].sawpulse)
osc.levelCtrl23[lfoID * 2 + 1] = level;
}
}

protected void presetChangeCmd(uint preset) @nogc nothrow {
Preset* presetPtr = presetBank.ptrOf(preset);
if (presetPtr is null) return;
currPreset = *presetPtr;
for (int i = 0 ; i < 8 ; i++) {
resetFilter(i);
}
for (int i = 0 ; i < 4 ; i++) {
resetLFO(i);
}
}

override public void renderFrame(float*[] input, float*[] output) @nogc nothrow {
Expand All @@ -204,6 +239,9 @@ public class DelayLines : AudioModule {
}
return result;
}
float readDL0(int linenum, uint pos) @nogc @safe pure nothrow {
return delayLines[linenum][dLMod[linenum] * (dLPos[linenum] - pos)];
}
float*[2] inBuf, outBuf; //Set up input and output buffers
for (ubyte i, j, k ; i < 2 ; i++) {
if (enabledInputs.has(i)) {
Expand All @@ -220,15 +258,15 @@ public class DelayLines : AudioModule {
}
}
//Precalculate values, so they don't need to be done on a per-cycle basis.

__m128i[2] tapLFOOffset;
__m128[2] tapLFOOffsetSt;
__m128[2] tapLFOLevel = __m128(0.0), tapLFOLevelSt;
__m128[2] tapLFOFB = __m128(0.0), tapLFOFBSt;
__m128[2] tapLFOLevel;
__m128[2] tapLFOFB;
for (int i ; i < 2 ; i++) {
for (int j ; j < 4 ; j++) {
tapLFOLevelSt[i][j] = currPreset.oscTargets[j] == ((8<<i) | OscTarget.TapOut) ? 1.0 : 0.0;
tapLFOOffsetSt[i][j] = currPreset.oscTargets[j] == ((8<<i) | OscTarget.TapPosition) ? 1.0 : 0.0;
tapLFOFBSt[i][j] = currPreset.oscTargets[j] == ((8<<i) | OscTarget.TapFeedback) ? 1.0 : 0.0;
tapLFOLevel[i][j] = currPreset.oscTargets[j] == ((8<<i) | OscTarget.TapOut) ? 1.0 : 0.0;
tapLFOOffset[i][j] = currPreset.oscTargets[j] == ((8<<i) | OscTarget.TapPosition) ? 1 : 0;
tapLFOFB[i][j] = currPreset.oscTargets[j] == ((8<<i) | OscTarget.TapFeedback) ? 1.0 : 0.0;
}
}
{ //Render LFO outs.
Expand All @@ -244,16 +282,31 @@ public class DelayLines : AudioModule {
}
}
for (int outputPos ; outputPos < bufferSize ; outputPos++) {
__m128 allSums = __m128(0.0);
for (int d ; d < 2 ; d++) {
for (int t ; t < 4 ; t++) {
if (currPreset.taps[d][t].tapEnable) {
__m128[4] impulse = readDL(d, currPreset.taps[d][t].pos);
for (int i ; i < 4 ; i++) {
impulse[i] *= currPreset.taps[d][t].fir[i];
float sum;
if (currPreset.taps[d][t].bypassFIR) {
sum = readDL0(d, currPreset.taps[d][t].pos + (oscOut[outputPos][t] * tapLFOOffset[d][t]));
} else {
__m128[4] impulse = readDL(d, currPreset.taps[d][t].pos);
__m128 acc = __m128(0.0);
for (int i ; i < 4 ; i++) {
acc += impulse[i] * currPreset.taps[d][t].fir[i];
}
sum = acc[0] + acc[1] + acc[2] + acc[3];
}
allSums += currPreset.taps[d][t].outLevels * __m128(sum);
}
}
}
__m128 filterOutL = filterBanks[0].output(__m128(allSums[0])) * currPreset.eqLevels[0];
__m128 filterOutR = filterBanks[1].output(__m128(allSums[1])) * currPreset.eqLevels[1];
outBuf[0][outputPos] += allSums[0] + filterOutL[0] + filterOutL[1] + filterOutL[2] + filterOutL[3];
outBuf[1][outputPos] += allSums[1] + filterOutR[0] + filterOutR[1] + filterOutR[2] + filterOutR[3];
delayLines[0][dLMod[0] & dLPos[0]] = allSums[2];
delayLines[1][dLMod[1] & dLPos[1]] = allSums[3];
dLPos[0]++;
dLPos[1]++;
}
Expand All @@ -275,28 +328,16 @@ public class DelayLines : AudioModule {
const uint tapID = paramGr & 3, lineID = paramGr>>2;
const uint subParamID = paramID & 0x3F;
switch (subParamID) {
case 0: .. case 7:
case 0: .. case 19:
return 1;
case 8: .. case 19:
const uint filterID = (subParamID - 8) / 4, filterParamID = (subParamID - 8) % 4;
switch (filterParamID) {
case 2:

return 0;
default:
return 1;
}
case 28: //Position
case 20: //Position
presetPtr.taps[lineID][tapID].pos = value;
return 0;
case 29: //Tap enable
case 21: //Tap enable
presetPtr.taps[lineID][tapID].tapEnable = value != 0;
return 0;
case 30: //Bypass dry signal

return 0;
case 31: //Filter algorithm

case 22: //Bypass FIR
presetPtr.taps[lineID][tapID].bypassFIR = value != 0;
return 0;
default:
break;
Expand Down Expand Up @@ -350,8 +391,8 @@ public class DelayLines : AudioModule {
presetPtr.taps[lineID][tapID].fir[3][subParamID - 12] = value;
return 0;

case 24: .. case 27: //Output Levels
const uint levelID = (subParamID - 24) & 3;
case 16: .. case 19: //Output Levels
const uint levelID = (subParamID - 16) & 3;
presetPtr.taps[lineID][tapID].outLevels[levelID] = value;
return 0;
default:
Expand All @@ -368,13 +409,29 @@ public class DelayLines : AudioModule {
presetPtr.oscFrequencies[lfoID] = value;
return 0;
case 3:
presetPtr.oscPWM[lfoID] = value;
presetPtr.oscPWM[lfoID] = cast(uint)(value * uint.max);
return 0;
default:
break;
}
break;
case 9: //Levels
case 9: //EQ
const uint EQID = (paramID>>2) & 7;
switch (paramID & 3) {
case 0:
presetPtr.eqLevels[EQID>>2][EQID & 3] = value;
return 0;
case 1:
presetPtr.iirFreq[EQID>>2][EQID & 3] = value;
return 0;
case 2:
presetPtr.iirQ[EQID>>2][EQID & 3] = value;
return 0;
default:
break;
}
break;
case 10: //Levels
const uint subParamID = paramID & 7;
switch (subParamID) {
case 0: .. case 3:
Expand Down Expand Up @@ -413,9 +470,11 @@ public class DelayLines : AudioModule {
const uint subParamID = paramID & 0x3F;
switch (subParamID) {

case 28: //Position
case 20: //Position
return presetPtr.taps[lineID][tapID].pos;
case 29: //Tap enable
case 21: //Tap enable
return presetPtr.taps[lineID][tapID].tapEnable ? 1 : 0;
case 22: //Bypass FIR
return presetPtr.taps[lineID][tapID].tapEnable ? 1 : 0;
default:
break;
Expand Down Expand Up @@ -472,12 +531,25 @@ public class DelayLines : AudioModule {
case 2:
return presetPtr.oscFrequencies[lfoID];
case 3:
return presetPtr.oscPWM[lfoID];
return presetPtr.oscPWM[lfoID] / uint.max;
default:
break;
}
break;
case 9: //EQ
const uint EQID = (paramID>>2) & 7;
switch (paramID & 3) {
case 0:
return presetPtr.eqLevels[EQID>>2][EQID & 3];
case 1:
return presetPtr.iirFreq[EQID>>2][EQID & 3];
case 2:
return presetPtr.iirQ[EQID>>2][EQID & 3];
default:
break;
}
break;
case 9: //Levels
case 10: //Levels
const uint subParamID = paramID & 7;
switch (subParamID) {
case 0: .. case 3:
Expand Down

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