ShowSpectrumContext Struct Reference

Data Fields
const AVClass *	class
int	w
int	h
char *	rate_str
AVRational	auto_frame_rate
AVRational	frame_rate
AVFrame *	outpicref
AVFrame *	in_frame
int	nb_display_channels
int	orientation
int	channel_width
int	channel_height
int	sliding
	1 if sliding mode, 0 otherwise
int	mode
	channel display mode
int	color_mode
	display color scheme
int	scale
int	fscale
float	saturation
	color saturation multiplier
float	rotation
	color rotation
int	start
int	stop
	zoom mode
int	data
int	xpos
	x position (current column)
AVTXContext **	fft
	Fast Fourier Transform context.
AVTXContext **	ifft
	Inverse Fast Fourier Transform context.
av_tx_fn	tx_fn
av_tx_fn	itx_fn
int	fft_size
	number of coeffs (FFT window size)
AVComplexFloat **	fft_in
	input FFT coeffs
AVComplexFloat **	fft_data
	bins holder for each (displayed) channels
AVComplexFloat **	fft_scratch
	scratch buffers
float *	window_func_lut
	Window function LUT.
float **	magnitudes
float **	phases
int	win_func
int	win_size
int	buf_size
double	win_scale
float	overlap
float	gain
int	hop_size
float *	combine_buffer
	color combining buffer (4 * h items)
float **	color_buffer
	color buffer (4 * h * ch items)
int64_t	pts
int64_t	old_pts
int64_t	in_pts
int	old_len
int	single_pic
int	legend
int	start_x
int	start_y
float	drange
float	limit
float	dmin
float	dmax
uint64_t	samples
int(*	plot_channel )(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
int	eof
float	opacity_factor
AVFrame **	frames
unsigned int	nb_frames
unsigned int	frames_size

Detailed Description

Definition at line 61 of file avf_showspectrum.c.

Field Documentation

class

const AVClass* ShowSpectrumContext::class

Definition at line 62 of file avf_showspectrum.c.

w

int ShowSpectrumContext::w

Definition at line 63 of file avf_showspectrum.c.

h

int ShowSpectrumContext::h

Definition at line 63 of file avf_showspectrum.c.

rate_str

char* ShowSpectrumContext::rate_str

Definition at line 64 of file avf_showspectrum.c.

auto_frame_rate

AVRational ShowSpectrumContext::auto_frame_rate

Definition at line 65 of file avf_showspectrum.c.

frame_rate

AVRational ShowSpectrumContext::frame_rate

Definition at line 66 of file avf_showspectrum.c.

outpicref

AVFrame* ShowSpectrumContext::outpicref

Definition at line 67 of file avf_showspectrum.c.

in_frame

AVFrame* ShowSpectrumContext::in_frame

Definition at line 68 of file avf_showspectrum.c.

nb_display_channels

int ShowSpectrumContext::nb_display_channels

Definition at line 69 of file avf_showspectrum.c.

orientation

int ShowSpectrumContext::orientation

Definition at line 70 of file avf_showspectrum.c.

channel_width

int ShowSpectrumContext::channel_width

Definition at line 71 of file avf_showspectrum.c.

channel_height

int ShowSpectrumContext::channel_height

Definition at line 72 of file avf_showspectrum.c.

sliding

int ShowSpectrumContext::sliding

1 if sliding mode, 0 otherwise

Definition at line 73 of file avf_showspectrum.c.

mode

int ShowSpectrumContext::mode

channel display mode

Definition at line 74 of file avf_showspectrum.c.

color_mode

int ShowSpectrumContext::color_mode

display color scheme

Definition at line 75 of file avf_showspectrum.c.

scale

int ShowSpectrumContext::scale

Definition at line 76 of file avf_showspectrum.c.

fscale

int ShowSpectrumContext::fscale

Definition at line 77 of file avf_showspectrum.c.

saturation

float ShowSpectrumContext::saturation

color saturation multiplier

Definition at line 78 of file avf_showspectrum.c.

rotation

float ShowSpectrumContext::rotation

color rotation

Definition at line 79 of file avf_showspectrum.c.

start

int ShowSpectrumContext::start

Definition at line 80 of file avf_showspectrum.c.

stop

int ShowSpectrumContext::stop

zoom mode

Definition at line 80 of file avf_showspectrum.c.

data

int ShowSpectrumContext::data

Definition at line 81 of file avf_showspectrum.c.

xpos

int ShowSpectrumContext::xpos

x position (current column)

Definition at line 82 of file avf_showspectrum.c.

fft

AVTXContext** ShowSpectrumContext::fft

Fast Fourier Transform context.

Definition at line 83 of file avf_showspectrum.c.

ifft

AVTXContext** ShowSpectrumContext::ifft

Inverse Fast Fourier Transform context.

Definition at line 84 of file avf_showspectrum.c.

tx_fn

av_tx_fn ShowSpectrumContext::tx_fn

Definition at line 85 of file avf_showspectrum.c.

itx_fn

av_tx_fn ShowSpectrumContext::itx_fn

Definition at line 86 of file avf_showspectrum.c.

fft_size

int ShowSpectrumContext::fft_size

number of coeffs (FFT window size)

Definition at line 87 of file avf_showspectrum.c.

fft_in

AVComplexFloat** ShowSpectrumContext::fft_in

input FFT coeffs

Definition at line 88 of file avf_showspectrum.c.

fft_data

AVComplexFloat** ShowSpectrumContext::fft_data

bins holder for each (displayed) channels

Definition at line 89 of file avf_showspectrum.c.

fft_scratch

AVComplexFloat** ShowSpectrumContext::fft_scratch

scratch buffers

Definition at line 90 of file avf_showspectrum.c.

window_func_lut

float* ShowSpectrumContext::window_func_lut

Window function LUT.

Definition at line 91 of file avf_showspectrum.c.

magnitudes

float** ShowSpectrumContext::magnitudes

Definition at line 92 of file avf_showspectrum.c.

phases

float** ShowSpectrumContext::phases

Definition at line 93 of file avf_showspectrum.c.

win_func

int ShowSpectrumContext::win_func

Definition at line 94 of file avf_showspectrum.c.

win_size

int ShowSpectrumContext::win_size

Definition at line 95 of file avf_showspectrum.c.

buf_size

int ShowSpectrumContext::buf_size

Definition at line 96 of file avf_showspectrum.c.

win_scale

double ShowSpectrumContext::win_scale

Definition at line 97 of file avf_showspectrum.c.

overlap

float ShowSpectrumContext::overlap

Definition at line 98 of file avf_showspectrum.c.

gain

float ShowSpectrumContext::gain

Definition at line 99 of file avf_showspectrum.c.

hop_size

int ShowSpectrumContext::hop_size

Definition at line 100 of file avf_showspectrum.c.

combine_buffer

float* ShowSpectrumContext::combine_buffer

color combining buffer (4 * h items)

Definition at line 101 of file avf_showspectrum.c.

color_buffer

float** ShowSpectrumContext::color_buffer

color buffer (4 * h * ch items)

Definition at line 102 of file avf_showspectrum.c.

pts

int64_t ShowSpectrumContext::pts

Definition at line 103 of file avf_showspectrum.c.

old_pts

int64_t ShowSpectrumContext::old_pts

Definition at line 104 of file avf_showspectrum.c.

in_pts

int64_t ShowSpectrumContext::in_pts

Definition at line 105 of file avf_showspectrum.c.

old_len

int ShowSpectrumContext::old_len

Definition at line 106 of file avf_showspectrum.c.

single_pic

int ShowSpectrumContext::single_pic

Definition at line 107 of file avf_showspectrum.c.

legend

int ShowSpectrumContext::legend

Definition at line 108 of file avf_showspectrum.c.

start_x

int ShowSpectrumContext::start_x

Definition at line 109 of file avf_showspectrum.c.

start_y

int ShowSpectrumContext::start_y

Definition at line 109 of file avf_showspectrum.c.

drange

float ShowSpectrumContext::drange

Definition at line 110 of file avf_showspectrum.c.

limit

float ShowSpectrumContext::limit

Definition at line 110 of file avf_showspectrum.c.

dmin

float ShowSpectrumContext::dmin

Definition at line 111 of file avf_showspectrum.c.

dmax

float ShowSpectrumContext::dmax

Definition at line 111 of file avf_showspectrum.c.

samples

uint64_t ShowSpectrumContext::samples

Definition at line 112 of file avf_showspectrum.c.

plot_channel

int(* ShowSpectrumContext::plot_channel) (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)

Definition at line 113 of file avf_showspectrum.c.

eof

int ShowSpectrumContext::eof

Definition at line 114 of file avf_showspectrum.c.

opacity_factor

float ShowSpectrumContext::opacity_factor

Definition at line 116 of file avf_showspectrum.c.

frames

AVFrame** ShowSpectrumContext::frames

Definition at line 118 of file avf_showspectrum.c.

nb_frames

unsigned int ShowSpectrumContext::nb_frames

Definition at line 119 of file avf_showspectrum.c.

frames_size

unsigned int ShowSpectrumContext::frames_size

Definition at line 120 of file avf_showspectrum.c.

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

• libavfilter/avf_showspectrum.c