void process(AUAudioFrameCount frameCount, AUAudioFrameCount bufferOffset) override {
for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) {
int frameOffset = int(frameIndex + bufferOffset);
pan = panRamper.getAndStep();
panst->pan = (float)pan;
if (!started) {
outBufferListPtr->mBuffers[0] = inBufferListPtr->mBuffers[0];
outBufferListPtr->mBuffers[1] = inBufferListPtr->mBuffers[1];
return;
}
float *tmpin[2];
float *tmpout[2];
for (int channel = 0; channel < channels; ++channel) {
float *in = (float *)inBufferListPtr->mBuffers[channel].mData + frameOffset;
float *out = (float *)outBufferListPtr->mBuffers[channel].mData + frameOffset;
if (channel < 2) {
tmpin[channel] = in;
tmpout[channel] = out;
}
}
sp_panst_compute(sp, panst, tmpin[0], tmpin[1], tmpout[0], tmpout[1]);
}
}
void process(uint32_t frameCount, uint32_t bufferOffset) override {
for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) {
int frameOffset = int(frameIndex + bufferOffset);
// do ramping every 8 samples
if ((frameOffset & 0x7) == 0) {
panRamp.advanceTo(_now + frameOffset);
}
_panst->pan = panRamp.getValue();
float *tmpin[2];
float *tmpout[2];
for (int channel = 0; channel < _nChannels; ++channel) {
float *in = (float *)_inBufferListPtr->mBuffers[channel].mData + frameOffset;
float *out = (float *)_outBufferListPtr->mBuffers[channel].mData + frameOffset;
if (channel < 2) {
tmpin[channel] = in;
tmpout[channel] = out;
}
if (!_playing) {
*out = *in;
}
}
if (_playing) {
sp_panst_compute(_sp, _panst, tmpin[0], tmpin[1], tmpout[0], tmpout[1]);
}
}
}
