All I want to do is write a spectrum analyzer module for MAME to show a spectrograph of the VGM player driver. Why is it so hard to find a bloody Discrete Fourier Transform algorithm in C or C++ that just does what it says on the tin and doesn't have external dependencies?!
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http://1014.org/_/gfxanalyzer is what's with REAPER... most of that is UI code though and in hindsight the other parts are probably not terribly readable... so maybe disregard :)
So, as I understand it, the fft_real and fft_permute calls are ostensibly analogous to WDL_fft and WDL_fft_permute? The rest seems to be perfectly readable, even if I've literally never seen the language before. :)
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almost -- fft_permute() is a helper function which does an in-place reordering of the bins (effectively calling WDL_fft_permute() for each bin).. and fft_real is more or less a call to WDL_real_fft(), yeah.
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa
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