Method putSamples

lib-src/soundtouch/source/SoundTouch/SoundTouch.cpp:293–335

Adds 'numSamples' pcs of samples from the 'samples' memory position into the input of the object.

// Adds 'numSamples' pcs of samples from the 'samples' memory position into
// the input of the object.
void SoundTouch::putSamples(const SAMPLETYPE *samples, uint nSamples)
{
    if (bSrateSet == FALSE) 
    {
        ST_THROW_RT_ERROR("SoundTouch : Sample rate not defined");
    } 
    else if (channels == 0) 
    {
        ST_THROW_RT_ERROR("SoundTouch : Number of channels not defined");
    }

    // Transpose the rate of the new samples if necessary
    /* Bypass the nominal setting - can introduce a click in sound when tempo/pitch control crosses the nominal value...
    if (rate == 1.0f) 
    {
        // The rate value is same as the original, simply evaluate the tempo changer. 
        assert(output == pTDStretch);
        if (pRateTransposer->isEmpty() == 0) 
        {
            // yet flush the last samples in the pitch transposer buffer
            // (may happen if 'rate' changes from a non-zero value to zero)
            pTDStretch->moveSamples(*pRateTransposer);
        }
        pTDStretch->putSamples(samples, nSamples);
    } 
    */
#ifndef SOUNDTOUCH_PREVENT_CLICK_AT_RATE_CROSSOVER
    else if (rate <= 1.0f) 
    {
        // transpose the rate down, output the transposed sound to tempo changer buffer
        assert(output == pTDStretch);
        pRateTransposer->putSamples(samples, nSamples);
        pTDStretch->moveSamples(*pRateTransposer);
    } 
    else 
#endif
    {
        // evaluate the tempo changer, then transpose the rate up, 
        assert(output == pRateTransposer);
        pTDStretch->putSamples(samples, nSamples);
        pRateTransposer->moveSamples(*pTDStretch);
    }
}


// Flushes the last samples from the processing pipeline to the output.