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This commit is contained in:
Chris
2023-08-12 09:49:26 +02:00
parent 537fba98c4
commit 044f42374b
22 changed files with 3090 additions and 3216 deletions
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177
clip/aw_cliponly2.h
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@@ -5,96 +5,117 @@ namespace trnr {
// Clipper based on ClipOnly2 by Chris Johnson
class aw_cliponly2 {
public:
aw_cliponly2() {
samplerate = 44100;
aw_cliponly2()
{
samplerate = 44100;
lastSampleL = 0.0;
wasPosClipL = false;
wasNegClipL = false;
lastSampleR = 0.0;
wasPosClipR = false;
wasNegClipR = false;
for (int x = 0; x < 16; x++) {intermediateL[x] = 0.0; intermediateR[x] = 0.0;}
//this is reset: values being initialized only once. Startup values, whatever they are.
}
lastSampleL = 0.0;
wasPosClipL = false;
wasNegClipL = false;
lastSampleR = 0.0;
wasPosClipR = false;
wasNegClipR = false;
for (int x = 0; x < 16; x++) {
intermediateL[x] = 0.0;
intermediateR[x] = 0.0;
}
// this is reset: values being initialized only once. Startup values, whatever they are.
}
void set_samplerate(double _samplerate) {
samplerate = _samplerate;
}
void set_samplerate(double _samplerate) { samplerate = _samplerate; }
void process_block(double** inputs, double** outputs, long sample_frames) {
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
void process_block(double** inputs, double** outputs, long sample_frames)
{
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= samplerate;
int spacing = floor(overallscale); //should give us working basic scaling, usually 2 or 4
if (spacing < 1) spacing = 1; if (spacing > 16) spacing = 16;
while (--sample_frames >= 0)
{
double inputSampleL = *in1;
double inputSampleR = *in2;
//begin ClipOnly2 stereo as a little, compressed chunk that can be dropped into code
if (inputSampleL > 4.0) inputSampleL = 4.0; if (inputSampleL < -4.0) inputSampleL = -4.0;
if (wasPosClipL == true) { //current will be over
if (inputSampleL<lastSampleL) lastSampleL=0.7058208+(inputSampleL*0.2609148);
else lastSampleL = 0.2491717+(lastSampleL*0.7390851);
} wasPosClipL = false;
if (inputSampleL>0.9549925859) {wasPosClipL=true;inputSampleL=0.7058208+(lastSampleL*0.2609148);}
if (wasNegClipL == true) { //current will be -over
if (inputSampleL > lastSampleL) lastSampleL=-0.7058208+(inputSampleL*0.2609148);
else lastSampleL=-0.2491717+(lastSampleL*0.7390851);
} wasNegClipL = false;
if (inputSampleL<-0.9549925859) {wasNegClipL=true;inputSampleL=-0.7058208+(lastSampleL*0.2609148);}
intermediateL[spacing] = inputSampleL;
inputSampleL = lastSampleL; //Latency is however many samples equals one 44.1k sample
for (int x = spacing; x > 0; x--) intermediateL[x-1] = intermediateL[x];
lastSampleL = intermediateL[0]; //run a little buffer to handle this
if (inputSampleR > 4.0) inputSampleR = 4.0; if (inputSampleR < -4.0) inputSampleR = -4.0;
if (wasPosClipR == true) { //current will be over
if (inputSampleR<lastSampleR) lastSampleR=0.7058208+(inputSampleR*0.2609148);
else lastSampleR = 0.2491717+(lastSampleR*0.7390851);
} wasPosClipR = false;
if (inputSampleR>0.9549925859) {wasPosClipR=true;inputSampleR=0.7058208+(lastSampleR*0.2609148);}
if (wasNegClipR == true) { //current will be -over
if (inputSampleR > lastSampleR) lastSampleR=-0.7058208+(inputSampleR*0.2609148);
else lastSampleR=-0.2491717+(lastSampleR*0.7390851);
} wasNegClipR = false;
if (inputSampleR<-0.9549925859) {wasNegClipR=true;inputSampleR=-0.7058208+(lastSampleR*0.2609148);}
intermediateR[spacing] = inputSampleR;
inputSampleR = lastSampleR; //Latency is however many samples equals one 44.1k sample
for (int x = spacing; x > 0; x--) intermediateR[x-1] = intermediateR[x];
lastSampleR = intermediateR[0]; //run a little buffer to handle this
//end ClipOnly2 stereo as a little, compressed chunk that can be dropped into code
*out1 = inputSampleL;
*out2 = inputSampleR;
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= samplerate;
in1++;
in2++;
out1++;
out2++;
}
}
int spacing = floor(overallscale); // should give us working basic scaling, usually 2 or 4
if (spacing < 1) spacing = 1;
if (spacing > 16) spacing = 16;
while (--sample_frames >= 0) {
double inputSampleL = *in1;
double inputSampleR = *in2;
// begin ClipOnly2 stereo as a little, compressed chunk that can be dropped into code
if (inputSampleL > 4.0) inputSampleL = 4.0;
if (inputSampleL < -4.0) inputSampleL = -4.0;
if (wasPosClipL == true) { // current will be over
if (inputSampleL < lastSampleL) lastSampleL = 0.7058208 + (inputSampleL * 0.2609148);
else lastSampleL = 0.2491717 + (lastSampleL * 0.7390851);
}
wasPosClipL = false;
if (inputSampleL > 0.9549925859) {
wasPosClipL = true;
inputSampleL = 0.7058208 + (lastSampleL * 0.2609148);
}
if (wasNegClipL == true) { // current will be -over
if (inputSampleL > lastSampleL) lastSampleL = -0.7058208 + (inputSampleL * 0.2609148);
else lastSampleL = -0.2491717 + (lastSampleL * 0.7390851);
}
wasNegClipL = false;
if (inputSampleL < -0.9549925859) {
wasNegClipL = true;
inputSampleL = -0.7058208 + (lastSampleL * 0.2609148);
}
intermediateL[spacing] = inputSampleL;
inputSampleL = lastSampleL; // Latency is however many samples equals one 44.1k sample
for (int x = spacing; x > 0; x--) intermediateL[x - 1] = intermediateL[x];
lastSampleL = intermediateL[0]; // run a little buffer to handle this
if (inputSampleR > 4.0) inputSampleR = 4.0;
if (inputSampleR < -4.0) inputSampleR = -4.0;
if (wasPosClipR == true) { // current will be over
if (inputSampleR < lastSampleR) lastSampleR = 0.7058208 + (inputSampleR * 0.2609148);
else lastSampleR = 0.2491717 + (lastSampleR * 0.7390851);
}
wasPosClipR = false;
if (inputSampleR > 0.9549925859) {
wasPosClipR = true;
inputSampleR = 0.7058208 + (lastSampleR * 0.2609148);
}
if (wasNegClipR == true) { // current will be -over
if (inputSampleR > lastSampleR) lastSampleR = -0.7058208 + (inputSampleR * 0.2609148);
else lastSampleR = -0.2491717 + (lastSampleR * 0.7390851);
}
wasNegClipR = false;
if (inputSampleR < -0.9549925859) {
wasNegClipR = true;
inputSampleR = -0.7058208 + (lastSampleR * 0.2609148);
}
intermediateR[spacing] = inputSampleR;
inputSampleR = lastSampleR; // Latency is however many samples equals one 44.1k sample
for (int x = spacing; x > 0; x--) intermediateR[x - 1] = intermediateR[x];
lastSampleR = intermediateR[0]; // run a little buffer to handle this
// end ClipOnly2 stereo as a little, compressed chunk that can be dropped into code
*out1 = inputSampleL;
*out2 = inputSampleR;
in1++;
in2++;
out1++;
out2++;
}
}
private:
double samplerate;
double samplerate;
double lastSampleL;
double lastSampleL;
double intermediateL[16];
bool wasPosClipL;
bool wasNegClipL;
double lastSampleR;
double intermediateR[16];
bool wasPosClipR;
bool wasNegClipR; //Stereo ClipOnly2
//default stuff
bool wasNegClipR; // Stereo ClipOnly2
// default stuff
};
}
} // namespace trnr