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This commit is contained in:
AlexandreRouma
2022-06-18 00:33:08 +02:00
parent ccc57cddc7
commit 1dddbadd04
10 changed files with 242 additions and 70 deletions
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31
core/src/dsp/loop/agc.h
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@@ -8,12 +8,14 @@ namespace dsp::loop {
public:
AGC() {}
AGC(stream<T>* in, double setPoint, double rate, double maxGain, double maxOutputAmp, double initGain = 1.0) { init(in, setPoint, rate, maxGain, maxOutputAmp, initGain); }
AGC(stream<T>* in, double setPoint, double attack, double decay, double maxGain, double maxOutputAmp, double initGain = 1.0) { init(in, setPoint, attack, decay, maxGain, maxOutputAmp, initGain); }
void init(stream<T>* in, double setPoint, double rate, double maxGain, double maxOutputAmp, double initGain = 1.0) {
void init(stream<T>* in, double setPoint, double attack, double decay, double maxGain, double maxOutputAmp, double initGain = 1.0) {
_setPoint = setPoint;
_rate = rate;
_invRate = 1.0f - _rate;
_attack = attack;
_invAttack = 1.0f - _attack;
_decay = decay;
_invDecay = 1.0f - _decay;
_maxGain = maxGain;
_maxOutputAmp = maxOutputAmp;
_initGain = initGain;
@@ -27,11 +29,18 @@ namespace dsp::loop {
_setPoint = setPoint;
}
void setRate(double rate) {
void setAttack(double attack) {
assert(base_type::_block_init);
std::lock_guard<std::recursive_mutex> lck(base_type::ctrlMtx);
_rate = rate;
_invRate = 1.0f - _rate;
_attack = attack;
_invAttack = 1.0f - _attack;
}
void setDecay(double decay) {
assert(base_type::_block_init);
std::lock_guard<std::recursive_mutex> lck(base_type::ctrlMtx);
_decay = decay;
_invDecay = 1.0f - _decay;
}
void setMaxGain(double maxGain) {
@@ -72,7 +81,7 @@ namespace dsp::loop {
// Update average amplitude
if (inAmp != 0.0f) {
amp = (amp * _invRate) + (inAmp * _rate);
amp = (inAmp > amp) ? ((amp * _invAttack) + (inAmp * _attack)) : ((amp * _invDecay) + (inAmp * _decay));
gain = std::min<float>(_setPoint / amp, _maxGain);
}
@@ -95,8 +104,10 @@ namespace dsp::loop {
protected:
float _setPoint;
float _rate;
float _invRate;
float _attack;
float _invAttack;
float _decay;
float _invDecay;
float _maxGain;
float _maxOutputAmp;
float _initGain;