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); } } }