int t_butbr(sp_test *tst, sp_data *sp, const char *hash)
{
uint32_t n;
int fail = 0;
SPFLOAT noise = 0, butbr = 0;
UserData ud;
sp_butbr_create(&ud.butbr);
sp_noise_create(&ud.ns);
sp_butbr_init(sp, ud.butbr);
sp_noise_init(sp, ud.ns);
for(n = 0; n < tst->size; n++) {
noise = 0, butbr = 0;
sp_noise_compute(sp, ud.ns, NULL, &noise);
sp_butbr_compute(sp, ud.butbr, &noise, &butbr);
sp_test_add_sample(tst, butbr);
}
if(sp_test_compare(tst, hash) == SP_NOT_OK) {
printf("Generated hash %s does not match reference hash %s\n",
tst->md5string, hash);
fail = 1;
}
sp_butbr_destroy(&ud.butbr);
sp_noise_destroy(&ud.ns);
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) {
double centerFrequency = double(centerFrequencyRamper.getStep());
double bandwidth = double(bandwidthRamper.getStep());
int frameOffset = int(frameIndex + bufferOffset);
butbr->freq = (float)centerFrequency;
butbr->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_butbr_compute(sp, butbr, in, out);
}
}
}