Data Fields
const AVClass *	class

int	w

int	h

char *	rate_str

AVRational	auto_frame_rate

AVRational	frame_rate

AVFrame *	outpicref

int	nb_display_channels

int	orientation

int	channel_width

int	channel_height

int	sliding
	1 if sliding mode, 0 otherwise More...

int	mode
	channel display mode More...

int	color_mode
	display color scheme More...

int	scale

int	fscale

float	saturation
	color saturation multiplier More...

float	rotation
	color rotation More...

int	start

int	stop
	zoom mode More...

int	data

int	xpos
	x position (current column) More...

AVTXContext **	fft
	Fast Fourier Transform context. More...

AVTXContext **	ifft
	Inverse Fast Fourier Transform context. More...

av_tx_fn	tx_fn

av_tx_fn	itx_fn

int	fft_size
	number of coeffs (FFT window size) More...

AVComplexFloat **	fft_in
	input FFT coeffs More...

AVComplexFloat **	fft_data
	bins holder for each (displayed) channels More...

AVComplexFloat **	fft_scratch
	scratch buffers More...

float *	window_func_lut
	Window function LUT. More...

float **	magnitudes

float **	phases

int	win_func

int	win_size

int	buf_size

double	win_scale

float	overlap

float	gain

int	consumed

int	hop_size

float *	combine_buffer
	color combining buffer (3 * h items) More...

float **	color_buffer
	color buffer (3 * h * ch items) More...

AVAudioFifo *	fifo

int64_t	pts

int64_t	old_pts

int	old_len

int	single_pic

int	legend

int	start_x

int	start_y

float	drange

float	limit

float	dmin

float	dmax

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

Detailed Description

Definition at line 56 of file avf_showspectrum.c.

Field Documentation

◆ class

const AVClass* ShowSpectrumContext::class

Definition at line 57 of file avf_showspectrum.c.

◆ w

int ShowSpectrumContext::w

Definition at line 58 of file avf_showspectrum.c.

◆ h

int ShowSpectrumContext::h

Definition at line 58 of file avf_showspectrum.c.

◆ rate_str

char* ShowSpectrumContext::rate_str

Definition at line 59 of file avf_showspectrum.c.

◆ auto_frame_rate

AVRational ShowSpectrumContext::auto_frame_rate

Definition at line 60 of file avf_showspectrum.c.

◆ frame_rate

AVRational ShowSpectrumContext::frame_rate

Definition at line 61 of file avf_showspectrum.c.

◆ outpicref

AVFrame* ShowSpectrumContext::outpicref

Definition at line 62 of file avf_showspectrum.c.

◆ nb_display_channels

int ShowSpectrumContext::nb_display_channels

Definition at line 63 of file avf_showspectrum.c.

◆ orientation

int ShowSpectrumContext::orientation

Definition at line 64 of file avf_showspectrum.c.

◆ channel_width

int ShowSpectrumContext::channel_width

Definition at line 65 of file avf_showspectrum.c.

◆ channel_height

int ShowSpectrumContext::channel_height

Definition at line 66 of file avf_showspectrum.c.

◆ sliding

int ShowSpectrumContext::sliding

1 if sliding mode, 0 otherwise

Definition at line 67 of file avf_showspectrum.c.

◆ mode

int ShowSpectrumContext::mode

channel display mode

Definition at line 68 of file avf_showspectrum.c.

◆ color_mode

int ShowSpectrumContext::color_mode

display color scheme

Definition at line 69 of file avf_showspectrum.c.

◆ scale

int ShowSpectrumContext::scale

Definition at line 70 of file avf_showspectrum.c.

◆ fscale

int ShowSpectrumContext::fscale

Definition at line 71 of file avf_showspectrum.c.

◆ saturation

float ShowSpectrumContext::saturation

color saturation multiplier

Definition at line 72 of file avf_showspectrum.c.

◆ rotation

float ShowSpectrumContext::rotation

color rotation

Definition at line 73 of file avf_showspectrum.c.

◆ start

int ShowSpectrumContext::start

Definition at line 74 of file avf_showspectrum.c.

◆ stop

int ShowSpectrumContext::stop

zoom mode

Definition at line 74 of file avf_showspectrum.c.

◆ data

int ShowSpectrumContext::data

Definition at line 75 of file avf_showspectrum.c.

◆ xpos

int ShowSpectrumContext::xpos

x position (current column)

Definition at line 76 of file avf_showspectrum.c.

◆ fft

AVTXContext** ShowSpectrumContext::fft

Fast Fourier Transform context.

Definition at line 77 of file avf_showspectrum.c.

◆ ifft

AVTXContext** ShowSpectrumContext::ifft

Inverse Fast Fourier Transform context.

Definition at line 78 of file avf_showspectrum.c.

◆ tx_fn

av_tx_fn ShowSpectrumContext::tx_fn

Definition at line 79 of file avf_showspectrum.c.

◆ itx_fn

av_tx_fn ShowSpectrumContext::itx_fn

Definition at line 80 of file avf_showspectrum.c.

◆ fft_size

int ShowSpectrumContext::fft_size

number of coeffs (FFT window size)

Definition at line 81 of file avf_showspectrum.c.

◆ fft_in

AVComplexFloat** ShowSpectrumContext::fft_in

input FFT coeffs

Definition at line 82 of file avf_showspectrum.c.

◆ fft_data

AVComplexFloat** ShowSpectrumContext::fft_data

bins holder for each (displayed) channels

Definition at line 83 of file avf_showspectrum.c.

◆ fft_scratch

AVComplexFloat** ShowSpectrumContext::fft_scratch

scratch buffers

Definition at line 84 of file avf_showspectrum.c.

◆ window_func_lut

float* ShowSpectrumContext::window_func_lut

Window function LUT.

Definition at line 85 of file avf_showspectrum.c.

◆ magnitudes

float** ShowSpectrumContext::magnitudes

Definition at line 86 of file avf_showspectrum.c.

◆ phases

float** ShowSpectrumContext::phases

Definition at line 87 of file avf_showspectrum.c.

◆ win_func

int ShowSpectrumContext::win_func

Definition at line 88 of file avf_showspectrum.c.

◆ win_size

int ShowSpectrumContext::win_size

Definition at line 89 of file avf_showspectrum.c.

◆ buf_size

int ShowSpectrumContext::buf_size

Definition at line 90 of file avf_showspectrum.c.

◆ win_scale

double ShowSpectrumContext::win_scale

Definition at line 91 of file avf_showspectrum.c.

◆ overlap

float ShowSpectrumContext::overlap

Definition at line 92 of file avf_showspectrum.c.

◆ gain

float ShowSpectrumContext::gain

Definition at line 93 of file avf_showspectrum.c.

◆ consumed

int ShowSpectrumContext::consumed

Definition at line 94 of file avf_showspectrum.c.

◆ hop_size

int ShowSpectrumContext::hop_size

Definition at line 95 of file avf_showspectrum.c.

◆ combine_buffer

float* ShowSpectrumContext::combine_buffer

color combining buffer (3 * h items)

Definition at line 96 of file avf_showspectrum.c.

◆ color_buffer

float** ShowSpectrumContext::color_buffer

color buffer (3 * h * ch items)

Definition at line 97 of file avf_showspectrum.c.

◆ fifo

AVAudioFifo* ShowSpectrumContext::fifo

Definition at line 98 of file avf_showspectrum.c.

◆ pts

int64_t ShowSpectrumContext::pts

Definition at line 99 of file avf_showspectrum.c.

◆ old_pts

int64_t ShowSpectrumContext::old_pts

Definition at line 100 of file avf_showspectrum.c.

◆ old_len

int ShowSpectrumContext::old_len

Definition at line 101 of file avf_showspectrum.c.

◆ single_pic

int ShowSpectrumContext::single_pic

Definition at line 102 of file avf_showspectrum.c.

◆ legend

int ShowSpectrumContext::legend

Definition at line 103 of file avf_showspectrum.c.

◆ start_x

int ShowSpectrumContext::start_x

Definition at line 104 of file avf_showspectrum.c.

◆ start_y

int ShowSpectrumContext::start_y