void process(AUAudioFrameCount frameCount, AUAudioFrameCount bufferOffset) override {
for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) {
int frameOffset = int(frameIndex + bufferOffset);
centerFrequency = centerFrequencyRamper.getAndStep();
butbp0->freq = (float)centerFrequency;
butbp1->freq = (float)centerFrequency;
bandwidth = bandwidthRamper.getAndStep();
butbp0->bw = (float)bandwidth;
butbp1->bw = (float)bandwidth;
for (int channel = 0; channel < channels; ++channel) {
float *in = (float *)inBufferListPtr->mBuffers[channel].mData + frameOffset;
float *out = (float *)outBufferListPtr->mBuffers[channel].mData + frameOffset;
if (started) {
if (channel == 0) {
sp_butbp_compute(sp, butbp0, in, out);
} else {
sp_butbp_compute(sp, butbp1, in, out);
}
} else {
*out = *in;
}
}
}
}
int t_butbp(sp_test *tst, sp_data *sp, const char *hash)
{
sp_srand(sp, 0);
uint32_t n;
int fail = 0;
SPFLOAT in = 0;
SPFLOAT out = 0;
UserData ud;
ud.counter = 0;
sp_noise_create(&ud.ns);
sp_butbp_create(&ud.butbp);
sp_noise_init(sp, ud.ns);
sp_butbp_init(sp, ud.butbp);
for(n = 0; n < tst->size; n++) {
in = 0;
out = 0;
if(ud.counter == 0) {
ud.butbp->freq= 500 + sp_rand(sp) % 4000;
}
sp_noise_compute(sp, ud.ns, NULL, &in);
sp_butbp_compute(sp, ud.butbp, &in, &out);
ud.counter = (ud.counter + 1) % 5000;
sp_test_add_sample(tst, out);
}
fail = sp_test_verify(tst, hash);
sp_noise_destroy(&ud.ns);
sp_butbp_destroy(&ud.butbp);
if(fail) return SP_NOT_OK;
else return SP_OK;
}
void process(AUAudioFrameCount frameCount, AUAudioFrameCount bufferOffset) override {
// For each sample.
for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) {
int frameOffset = int(frameIndex + bufferOffset);
centerFrequency = centerFrequencyRamper.getAndStep();
butbp->freq = (float)centerFrequency;
bandwidth = bandwidthRamper.getAndStep();
butbp->bw = (float)bandwidth;
if (!started) {
outBufferListPtr->mBuffers[0] = inBufferListPtr->mBuffers[0];
outBufferListPtr->mBuffers[1] = inBufferListPtr->mBuffers[1];
return;
}
for (int channel = 0; channel < channels; ++channel) {
float *in = (float *)inBufferListPtr->mBuffers[channel].mData + frameOffset;
float *out = (float *)outBufferListPtr->mBuffers[channel].mData + frameOffset;
sp_butbp_compute(sp, butbp, in, out);
}
}
}
