FFmpeg: ShowSpectrumContext Struct Reference

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Data Fields

ShowSpectrumContext Struct Reference

Data Fields

const AVClass * class

int w

int h

AVFrame * outpicref

int req_fullfilled

int nb_display_channels

int channel_height

int sliding

1 if sliding mode, 0 otherwise

enum DisplayMode mode

channel display mode

enum ColorMode color_mode

display color scheme

enum DisplayScale scale

float saturation

color saturation multiplier

int xpos

x position (current column)

RDFTContext * rdft

Real Discrete Fourier Transform context.

int rdft_bits

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

FFTSample ** rdft_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.

float * combine_buffer

color combining buffer (3 * h items)

Detailed Description

Definition at line 41 of file avf_showspectrum.c.

Field Documentation

const AVClass* ShowSpectrumContext::class

Definition at line 42 of file avf_showspectrum.c.

int ShowSpectrumContext::w

Definition at line 43 of file avf_showspectrum.c.

Referenced by config_output().

int ShowSpectrumContext::h

Definition at line 43 of file avf_showspectrum.c.

Referenced by config_output().

AVFrame* ShowSpectrumContext::outpicref

Definition at line 44 of file avf_showspectrum.c.

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

int ShowSpectrumContext::req_fullfilled

Definition at line 45 of file avf_showspectrum.c.

Referenced by push_frame(), and request_frame().

int ShowSpectrumContext::nb_display_channels

Definition at line 46 of file avf_showspectrum.c.

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

int ShowSpectrumContext::channel_height

Definition at line 47 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

int ShowSpectrumContext::sliding

1 if sliding mode, 0 otherwise

Definition at line 48 of file avf_showspectrum.c.

Referenced by plot_spectrum_column().

enum DisplayMode ShowSpectrumContext::mode

channel display mode

Definition at line 49 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

enum ColorMode ShowSpectrumContext::color_mode

display color scheme

Definition at line 50 of file avf_showspectrum.c.

Referenced by plot_spectrum_column().

enum DisplayScale ShowSpectrumContext::scale

Definition at line 51 of file avf_showspectrum.c.

Referenced by plot_spectrum_column().

float ShowSpectrumContext::saturation

color saturation multiplier

Definition at line 52 of file avf_showspectrum.c.

Referenced by plot_spectrum_column().

int ShowSpectrumContext::xpos

x position (current column)

Definition at line 53 of file avf_showspectrum.c.

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

RDFTContext* ShowSpectrumContext::rdft

Real Discrete Fourier Transform context.

Definition at line 54 of file avf_showspectrum.c.

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

int ShowSpectrumContext::rdft_bits

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

Definition at line 55 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

FFTSample** ShowSpectrumContext::rdft_data

bins holder for each (displayed) channels

Definition at line 56 of file avf_showspectrum.c.

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

int ShowSpectrumContext::filled

number of samples (per channel) filled in current rdft_buffer

Definition at line 57 of file avf_showspectrum.c.

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

int ShowSpectrumContext::consumed

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

Definition at line 58 of file avf_showspectrum.c.

Referenced by filter_frame(), and plot_spectrum_column().

float* ShowSpectrumContext::window_func_lut

Window function LUT.

Definition at line 59 of file avf_showspectrum.c.

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

float* ShowSpectrumContext::combine_buffer

color combining buffer (3 * h items)

Definition at line 60 of file avf_showspectrum.c.

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

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

libavfilter/avf_showspectrum.c

Generated on Wed Jul 10 2013 23:48:39 for FFmpeg by doxygen 1.8.2