ShowSpectrumContext Struct Reference


Data Fields

const AVClassclass
int w
int h
AVFilterBufferRefoutpicref
int req_fullfilled
int xpos
 x position (current column)
RDFTContextrdft
 Real Discrete Fourier Transform context.
int rdft_bits
 number of bits (RDFT window size = 1<<rdft_bits)
FFTSamplerdft_data
 bins holder for each (displayed) channels
int filled
 number of samples (per channel) filled in current rdft_buffer
int consumed
 number of samples (per channel) consumed from the input frame
float * window_func_lut
 Window function LUT.

Detailed Description

Definition at line 35 of file avf_showspectrum.c.


Field Documentation

Definition at line 36 of file avf_showspectrum.c.

Referenced by init().

number of samples (per channel) consumed from the input frame

Definition at line 45 of file avf_showspectrum.c.

Referenced by filter_samples(), and plot_spectrum_column().

number of samples (per channel) filled in current rdft_buffer

Definition at line 44 of file avf_showspectrum.c.

Referenced by config_output(), plot_spectrum_column(), and push_frame().

Definition at line 37 of file avf_showspectrum.c.

Referenced by config_output().

Real Discrete Fourier Transform context.

Definition at line 41 of file avf_showspectrum.c.

Referenced by config_output(), plot_spectrum_column(), and uninit().

number of bits (RDFT window size = 1<<rdft_bits)

Definition at line 42 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

bins holder for each (displayed) channels

Definition at line 43 of file avf_showspectrum.c.

Referenced by config_output(), plot_spectrum_column(), and uninit().

Definition at line 39 of file avf_showspectrum.c.

Referenced by push_frame(), and request_frame().

Definition at line 37 of file avf_showspectrum.c.

Referenced by config_output().

Window function LUT.

Definition at line 46 of file avf_showspectrum.c.

Referenced by config_output(), plot_spectrum_column(), and uninit().

x position (current column)

Definition at line 40 of file avf_showspectrum.c.

Referenced by config_output(), plot_spectrum_column(), and push_frame().


The documentation for this struct was generated from the following file:

Generated on Fri Oct 26 02:50:17 2012 for FFmpeg by  doxygen 1.5.8