FFmpeg
|
Go to the source code of this file.
Functions | |
FFTContext * | av_fft_init (int nbits, int inverse) |
Set up a complex FFT. | |
void | av_fft_permute (FFTContext *s, FFTComplex *z) |
Do the permutation needed BEFORE calling ff_fft_calc(). | |
void | av_fft_calc (FFTContext *s, FFTComplex *z) |
Do a complex FFT with the parameters defined in av_fft_init(). | |
void | av_fft_end (FFTContext *s) |