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Refactor getSamples to return a unique_ptr

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Mike Walters
2015-12-29 20:42:32 +00:00
parent c96f542823
commit ceac834103
7 changed files with 20 additions and 22 deletions
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5
spectrogram.cpp
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@@ -143,15 +143,14 @@ float* Spectrogram::getFFTTile(off_t tile)
void Spectrogram::getLine(float *dest, off_t sample)
{
if (inputSource && fft) {
std::complex<float> buffer[fftSize];
inputSource->getSamples(buffer, sample, fftSize);
auto buffer = inputSource->getSamples(sample, fftSize);
for (int i = 0; i < fftSize; i++) {
buffer[i].real(buffer[i].real() * window[i]);
buffer[i].imag(buffer[i].imag() * window[i]);
}
fft->process(buffer, buffer);
fft->process(buffer.get(), buffer.get());
for (int i = 0; i < fftSize; i++) {
int k = (i + fftSize / 2) % fftSize;
float re = buffer[k].real();