C++ (Cpp) sp_tbvcf_compute Examples

Example #1

File: AKRolandTB303FilterDSPKernel.hpp Project: BillGrim/AudioKit

    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;
                }
            }
        }
    }

Example #2

File: AKRolandTB303FilterDSPKernel.hpp Project: carabina/AudioKit

    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);
            }
        }
    }

Example #3

File: ex_tbvcf.c Project: PaulBatchelor/Soundpipe

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]); 
}

Example #4

File: t_tbvcf.c Project: PaulBatchelor/Soundpipe

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;
}