FFmpeg: ShowSpectrumContext Struct Reference

FFmpeg 4.0

Data Fields
const AVClass *	class

int	w

int	h

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

float	saturation
	color saturation multiplier More...

float	rotation
	color rotation More...

int	data

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

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

int	fft_bits
	number of bits (FFT window size = 1<<fft_bits) More...

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

float *	window_func_lut
	Window function LUT. More...

float **	magnitudes

float **	phases

int	win_func

int	win_size

double	win_scale

float	overlap

float	gain

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

int	single_pic

int	legend

int	start_x

int	start_y

Detailed Description

Definition at line 51 of file avf_showspectrum.c.

Field Documentation

◆ class

const AVClass* ShowSpectrumContext::class

Definition at line 52 of file avf_showspectrum.c.

◆ w

int ShowSpectrumContext::w

Definition at line 53 of file avf_showspectrum.c.

Referenced by acalc_magnitudes(), calc_channel_magnitudes(), calc_channel_phases(), config_output(), plot_spectrum_column(), and scale_magnitudes().

◆ h

int ShowSpectrumContext::h

Definition at line 53 of file avf_showspectrum.c.

Referenced by acalc_magnitudes(), calc_channel_magnitudes(), calc_channel_phases(), config_output(), plot_channel(), plot_spectrum_column(), and scale_magnitudes().

◆ outpicref

AVFrame* ShowSpectrumContext::outpicref

Definition at line 54 of file avf_showspectrum.c.

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

◆ nb_display_channels

int ShowSpectrumContext::nb_display_channels

Definition at line 55 of file avf_showspectrum.c.

Referenced by acalc_magnitudes(), color_range(), config_output(), plot_spectrum_column(), scale_magnitudes(), and uninit().

◆ orientation

int ShowSpectrumContext::orientation

Definition at line 56 of file avf_showspectrum.c.

Referenced by acalc_magnitudes(), calc_channel_magnitudes(), calc_channel_phases(), config_output(), plot_channel(), plot_spectrum_column(), and scale_magnitudes().

◆ channel_width

int ShowSpectrumContext::channel_width

Definition at line 57 of file avf_showspectrum.c.

Referenced by config_output(), and plot_channel().

◆ channel_height

int ShowSpectrumContext::channel_height

Definition at line 58 of file avf_showspectrum.c.

Referenced by config_output(), and plot_channel().

◆ sliding

int ShowSpectrumContext::sliding

1 if sliding mode, 0 otherwise

Definition at line 59 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

◆ mode

int ShowSpectrumContext::mode

channel display mode

Definition at line 60 of file avf_showspectrum.c.

Referenced by color_range(), config_output(), plot_channel(), and plot_spectrum_column().

◆ color_mode

int ShowSpectrumContext::color_mode

display color scheme

Definition at line 61 of file avf_showspectrum.c.

Referenced by color_range(), pick_color(), and plot_spectrum_column().

◆ scale

int ShowSpectrumContext::scale

Definition at line 62 of file avf_showspectrum.c.

Referenced by acalc_magnitudes(), calc_channel_magnitudes(), plot_channel(), and plot_spectrum_column().

◆ saturation

float ShowSpectrumContext::saturation

color saturation multiplier

Definition at line 63 of file avf_showspectrum.c.

Referenced by color_range(), and plot_spectrum_column().

◆ rotation

float ShowSpectrumContext::rotation

color rotation

Definition at line 64 of file avf_showspectrum.c.

Referenced by color_range(), and plot_spectrum_column().

◆ data

int ShowSpectrumContext::data

Definition at line 65 of file avf_showspectrum.c.

Referenced by plot_channel(), and plot_spectrum_column().

◆ xpos

int ShowSpectrumContext::xpos

x position (current column)

Definition at line 66 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

◆ fft

FFTContext** ShowSpectrumContext::fft

Fast Fourier Transform context.

Definition at line 67 of file avf_showspectrum.c.

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

◆ fft_bits

int ShowSpectrumContext::fft_bits

number of bits (FFT window size = 1<<fft_bits)

Definition at line 68 of file avf_showspectrum.c.

Referenced by config_output().

◆ fft_data

FFTComplex** ShowSpectrumContext::fft_data

bins holder for each (displayed) channels

Definition at line 69 of file avf_showspectrum.c.

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

◆ window_func_lut

float* ShowSpectrumContext::window_func_lut

Window function LUT.

Definition at line 70 of file avf_showspectrum.c.

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

◆ magnitudes

float** ShowSpectrumContext::magnitudes

Definition at line 71 of file avf_showspectrum.c.

Referenced by acalc_magnitudes(), calc_channel_magnitudes(), config_output(), plot_channel(), plot_spectrum_column(), scale_magnitudes(), and uninit().

◆ phases

float** ShowSpectrumContext::phases

Definition at line 72 of file avf_showspectrum.c.

Referenced by calc_channel_phases(), config_output(), plot_channel(), and uninit().

◆ win_func

int ShowSpectrumContext::win_func

Definition at line 73 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

◆ win_size

int ShowSpectrumContext::win_size

Definition at line 74 of file avf_showspectrum.c.

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

◆ win_scale

double ShowSpectrumContext::win_scale

Definition at line 75 of file avf_showspectrum.c.

Referenced by acalc_magnitudes(), calc_channel_magnitudes(), and config_output().

◆ overlap

float ShowSpectrumContext::overlap

Definition at line 76 of file avf_showspectrum.c.

Referenced by config_output().

◆ gain

float ShowSpectrumContext::gain

Definition at line 77 of file avf_showspectrum.c.

Referenced by acalc_magnitudes(), calc_channel_magnitudes(), and plot_spectrum_column().

◆ hop_size

int ShowSpectrumContext::hop_size

Definition at line 78 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

◆ combine_buffer

float* ShowSpectrumContext::combine_buffer

color combining buffer (3 * h items)

Definition at line 79 of file avf_showspectrum.c.

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

◆ color_buffer

float** ShowSpectrumContext::color_buffer

color buffer (3 * h * ch items)

Definition at line 80 of file avf_showspectrum.c.

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

◆ fifo

AVAudioFifo* ShowSpectrumContext::fifo

Definition at line 81 of file avf_showspectrum.c.

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

◆ pts

int64_t ShowSpectrumContext::pts

Definition at line 82 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

◆ single_pic

int ShowSpectrumContext::single_pic

Definition at line 83 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

◆ legend

int ShowSpectrumContext::legend

Definition at line 84 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

◆ start_x

int ShowSpectrumContext::start_x

Definition at line 85 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

◆ start_y

int ShowSpectrumContext::start_y

Definition at line 85 of file avf_showspectrum.c.

Referenced by config_output(), and plot_spectrum_column().

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

libavfilter/avf_showspectrum.c