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GstFFT

GstFFT — General FFT functions and declarations

Types and Values

Includes

#include <gst/fft/gstfft.h>

Description

This library includes general definitions and functions, useful for all typed FFT classes.

Functions

gst_fft_next_fast_length ()

gint
gst_fft_next_fast_length (gint n);

Returns the next number to n that is entirely a product of 2, 3 and 5. Using this as the len parameter for the different GstFFT types will provide the best performance.

Parameters

n

Number for which the next fast length should be returned

 

Returns

the next fast FFT length.

Types and Values

enum GstFFTWindow

The various window functions available.

Members

GST_FFT_WINDOW_RECTANGULAR

Rectangular window

 

GST_FFT_WINDOW_HAMMING

Hamming window

 

GST_FFT_WINDOW_HANN

Hann (sometimes also called Hanning) window

 

GST_FFT_WINDOW_BARTLETT

Bartlett window

 

GST_FFT_WINDOW_BLACKMAN

Blackman window

 
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