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Rename GetOverlap to GetFFTStride for clarity

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Mike Walters
2015-06-24 21:44:00 +01:00
parent de4931e139
commit b5142ce761
2 changed files with 6 additions and 6 deletions
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10
inputsource.cpp
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@@ -45,7 +45,7 @@ InputSource::~InputSource() {
}
void InputSource::GetViewport(float *dest, int x, int y, int width, int height, int zoom) {
fftwf_complex *sample_ptr = &m_data[y * GetOverlap()];
fftwf_complex *sample_ptr = &m_data[y * GetFFTStride()];
for (int i = 0; i < height; i++) {
memcpy(m_fftw_in, sample_ptr, m_fft_size * sizeof(fftw_complex));
@@ -67,14 +67,14 @@ void InputSource::GetViewport(float *dest, int x, int y, int width, int height,
*dest = magdb;
dest++;
}
sample_ptr += GetOverlap();
sample_ptr += GetFFTStride();
}
}
int InputSource::GetHeight() {
int lines = m_file_size / sizeof(fftwf_complex) / GetOverlap();
int lines = m_file_size / sizeof(fftwf_complex) / GetFFTStride();
// Force height to be a multiple of overlap size
return (lines / GetOverlap()) * GetOverlap();
return (lines / GetFFTStride()) * GetFFTStride();
}
int InputSource::GetWidth() {
@@ -99,6 +99,6 @@ bool InputSource::ZoomOut() {
return true;
}
int InputSource::GetOverlap() {
int InputSource::GetFFTStride() {
return m_fft_size / pow(2, m_zoom);
}