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comparison data/model/FFTModel.cpp @ 1567:36b4872e894a

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Properly align window with signal, in oversampled case
author Chris Cannam
date Wed, 07 Nov 2018 11:47:24 +0000
parents 0925b37a3ed1
children c2c8e071e24f
comparison
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1566:f6e7d0e783e8 1567:36b4872e894a
328 inSmallCache.miss(); 328 inSmallCache.miss();
329 329
330 Profiler profiler("FFTModel::getFFTColumn (cache miss)"); 330 Profiler profiler("FFTModel::getFFTColumn (cache miss)");
331 331
332 auto samples = getSourceSamples(n); 332 auto samples = getSourceSamples(n);
333 m_windower.cut(samples.data()); 333 m_windower.cut(samples.data() + (m_fftSize - m_windowSize) / 2);
334 breakfastquay::v_fftshift(samples.data(), m_fftSize); 334 breakfastquay::v_fftshift(samples.data(), m_fftSize);
335 335
336 cvec &col = m_cached[m_cacheWriteIndex].col; 336 cvec &col = m_cached[m_cacheWriteIndex].col;
337 337
338 m_fft.forwardInterleaved(samples.data(), 338 m_fft.forwardInterleaved(samples.data(),