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I was asked to upload this project and give a short description here:
It's based on java processing api.
Then i used some fft analyzer which should be obvious looking at the code.
There is a option to generate the fft file. this must be done first. Then the fft file can be used to render a movie. Not sure how the options worked to make arealtime fft analysis and show the video in realtime (it does not peprfform goog because some expensive framebuffer operations there)
Ah ja, the demo video includes some effects that are not included in the source. There was this function to generate the rainbow i first wrote on my own. It had a signed/unsigned bug so the colors where corrupted which looked very interesting. I was stupid enough to remove it but i add the backup file which may contain the color-mixing routine and the framebuffer opeerations using itt.
Enjoy!
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