void process(AUAudioFrameCount frameCount, AUAudioFrameCount bufferOffset) override {
for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) {
int frameOffset = int(frameIndex + bufferOffset);
for (int channel = 0; channel < channels; ++channel) {
float *in = (float *)inBufferListPtr->mBuffers[channel].mData + frameOffset;
float temp = *in;
float *out = (float *)outBufferListPtr->mBuffers[channel].mData + frameOffset;
if (started) {
sp_rms_compute(sp, rms, in, out);
trackedAmplitude = *out;
} else {
trackedAmplitude = 0;
}
*out = temp;
}
}
bool wasAboveThreshold = isAboveThreshold;
if (trackedAmplitude > threshold && !wasAboveThreshold) {
isAboveThreshold = true;
thresholdCallback(true);
}
if (wasAboveThreshold && trackedAmplitude < threshold) {
isAboveThreshold = false;
thresholdCallback(false);
}
}
void process(AUAudioFrameCount frameCount, AUAudioFrameCount bufferOffset) override {
for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) {
int frameOffset = int(frameIndex + bufferOffset);
for (int channel = 0; channel < channels; ++channel) {
float *in = (float *)inBufferListPtr->mBuffers[channel].mData + frameOffset;
float temp = *in;
float *out = (float *)outBufferListPtr->mBuffers[channel].mData + frameOffset;
if (channel == 0) {
if (started) {
sp_rms_compute(sp, leftRMS, in, out);
leftAmplitude = *out;
} else {
leftAmplitude = 0;
}
} else {
if (started) {
sp_rms_compute(sp, rightRMS, in, out);
rightAmplitude = *out;
} else {
rightAmplitude = 0;
}
}
*out = temp;
}
}
bool wasAboveThreshold = isAboveThreshold;
if ((leftAmplitude + rightAmplitude) / 2.0 > threshold * 1.05 && !wasAboveThreshold) {
isAboveThreshold = true;
thresholdCallback(true);
}
if (wasAboveThreshold && (leftAmplitude + rightAmplitude) / 2.0 < threshold * 0.95) {
isAboveThreshold = false;
thresholdCallback(false);
}
}
