void process(AUAudioFrameCount frameCount, AUAudioFrameCount bufferOffset) override { for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) { int frameOffset = int(frameIndex + bufferOffset); cutoffFrequency = cutoffFrequencyRamper.getAndStep(); tbvcf->fco = (float)cutoffFrequency; resonance = resonanceRamper.getAndStep(); tbvcf->res = (float)resonance; distortion = distortionRamper.getAndStep(); tbvcf->dist = (float)distortion; resonanceAsymmetry = resonanceAsymmetryRamper.getAndStep(); tbvcf->asym = (float)resonanceAsymmetry; 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) { sp_tbvcf_compute(sp, tbvcf, in, out); } else { *out = *in; } } } }
void process(AUAudioFrameCount frameCount, AUAudioFrameCount bufferOffset) override { // For each sample. for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) { double cutoffFrequency = double(cutoffFrequencyRamper.getStep()); double resonance = double(resonanceRamper.getStep()); double distortion = double(distortionRamper.getStep()); double resonanceAsymmetry = double(resonanceAsymmetryRamper.getStep()); int frameOffset = int(frameIndex + bufferOffset); tbvcf->fco = (float)cutoffFrequency; tbvcf->res = (float)resonance; tbvcf->dist = (float)distortion; tbvcf->asym = (float)resonanceAsymmetry; 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_tbvcf_compute(sp, tbvcf, in, out); } } }
void write_noise(sp_data *sp, void *udata) { UserData *ud = udata; SPFLOAT in = 0; SPFLOAT out = 0; sp_noise_compute(sp, ud->ns, NULL, &in); sp_tbvcf_compute(sp, ud->tn, &in, &sp->out[0]); }
int t_tbvcf(sp_test *tst, sp_data *sp, const char *hash) { uint32_t n; int fail = 0; sp_srand(sp, 0); UserData ud; sp_noise_create(&ud.ns); sp_tbvcf_create(&ud.tn); sp_noise_init(sp, ud.ns); sp_tbvcf_init(sp, ud.tn); ud.tn->dist = 1.0; SPFLOAT in = 0; for(n = 0; n < tst->size; n++) { in = 0; sp_noise_compute(sp, ud.ns, NULL, &in); sp_tbvcf_compute(sp, ud.tn, &in, &sp->out[0]); sp_test_add_sample(tst, sp->out[0]); } fail = sp_test_verify(tst, hash); sp_noise_destroy(&ud.ns); sp_tbvcf_destroy(&ud.tn); if(fail) return SP_NOT_OK; else return SP_OK; }