C++ (Cpp) sp_pitchamdf_compute Examples

Example #1

File: t_pitchamdf.c Project: PaulBatchelor/Soundpipe

int t_pitchamdf(sp_test *tst, sp_data *sp, const char *hash) 
{
    uint32_t n;
    int fail = 0;
    SPFLOAT freq = 0, amp = 0, blsaw = 0, randh = 0, osc = 0;

    sp_srand(sp, 1234567);
    UserData ud;

    sp_pitchamdf_create(&ud.pitchamdf);
    sp_osc_create(&ud.osc);
    sp_ftbl_create(sp, &ud.ft, 2048);
    sp_blsaw_create(&ud.blsaw);
    sp_randh_create(&ud.randh);

    sp_pitchamdf_init(sp, ud.pitchamdf, 200, 500);
    sp_randh_init(sp, ud.randh);
    ud.randh->max = 500;
    ud.randh->min = 200;
    ud.randh->freq = 6;

    sp_blsaw_init(sp, ud.blsaw);

    sp_gen_sine(sp, ud.ft);
    sp_osc_init(sp, ud.osc, ud.ft, 0);


    for(n = 0; n < tst->size; n++) {
        freq = 0, amp = 0, blsaw = 0, randh = 0, osc = 0;
        sp_randh_compute(sp, ud.randh, NULL, &randh);
        *ud.blsaw->freq = randh;
        sp_blsaw_compute(sp, ud.blsaw, NULL, &blsaw);
        sp_pitchamdf_compute(sp, ud.pitchamdf, &blsaw, &freq, &amp);
        ud.osc->freq = freq;
        sp_osc_compute(sp, ud.osc, NULL, &osc);
        sp_test_add_sample(tst, osc);
    }

    fail = sp_test_verify(tst, hash);

    sp_blsaw_destroy(&ud.blsaw);
    sp_randh_destroy(&ud.randh);
    sp_pitchamdf_destroy(&ud.pitchamdf);
    sp_ftbl_destroy(&ud.ft);
    sp_osc_destroy(&ud.osc);

    if(fail) return SP_NOT_OK;
    else return SP_OK;
}

Example #2

File: AKFrequencyTrackerDSPKernel.hpp Project: themaninthesuitcase/AudioKit

    void process(AUAudioFrameCount frameCount, AUAudioFrameCount bufferOffset) override {

        for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) {

            int frameOffset = int(frameIndex + bufferOffset);


            for (int channel = 0; channel < channels; ++channel) {
                float *in  = (float *)inBufferListPtr->mBuffers[channel].mData  + frameOffset;
                float temp = *in;
                float *out = (float *)outBufferListPtr->mBuffers[channel].mData + frameOffset;
                if (started) {
                    sp_pitchamdf_compute(sp, pitchamdf, in, &trackedFrequency, &trackedAmplitude);
                } else {
                    trackedAmplitude = 0;
                    trackedFrequency = 0;
                }
                *out = temp;
            }
        }
    }