Beispiel #1
0
	virtual IAudioBuffer *get(unsigned long pos, unsigned int length) noexcept{
		sptr<IAudioInfo> info(getInfo());
		AudioBuffer *ret = new AudioBuffer(info->getChannels(), length, pos, info->getSamplerate());
		unsigned int validInputs = 0;
		if(NumInputs() > 0){
			for(int i = 0; i < NumInputs(); i++){
				if(!InputOk(i)) continue;
				validInputs++;
				auto tmp = getFromSlot(i, pos, length);
				for(unsigned int j = 0; j < length; j++){
					sptr<ISample> smp1(ret->get(j));
					auto smp2 = getSampleFromBuffer(j, tmp);
					*smp1 += *smp2;
					ret->set(*smp1, j);
				}
			}
			for(unsigned int j = 0; j < length; j++){
				sptr<ISample> smp(ret->get(j));
				if(validInputs > 0) *smp /= (float)validInputs;
				ret->set(*smp, j);
			}
		}
		return ret;
	};
void Performance::measure(unsigned long length, unsigned int buflen){
    if(NumInputs() == 0){
        std::cout << "invalid or no Input" << std::endl;
        return;
    }
    double val = 0;
    std::chrono::high_resolution_clock::time_point t1 = std::chrono::high_resolution_clock::now();

    for(unsigned int i = 0; i < length; i += buflen){
        if(i + buflen > length) buflen -= i + buflen - length;
        AudioBuffer tmp = getFromSlot(i, buflen, 0);
        for(unsigned int j = 0; j < buflen; j++){
            val += tmp.get(j).get(0);
        }
    }
    std::chrono::high_resolution_clock::time_point t2 = std::chrono::high_resolution_clock::now();
    auto time = std::chrono::duration_cast<std::chrono::microseconds>(t2 - t1).count();

    std::cout << "Buffer size: " << buflen << ", total Samples: " << length << ", ";
    std::cout << "Time used: " << time << "us, " << time / 1000000 << "s, Final value: " << val << std::endl;
    return;
}