ShowVolumeContext Struct Reference

Data Fields
const AVClass *	class
int	w
int	h
int	b
double	f
AVRational	frame_rate
char *	color
int	orientation
int	step
float	bgopacity
int	mode
AVFrame *	out
AVExpr *	c_expr
int	draw_text
int	draw_volume
double *	values
uint32_t *	color_lut
float *	max
float	rms_factor
int	display_scale
double	draw_persistent_duration
uint8_t	persistant_max_rgba [4]
int	persistent_max_frames
float *	max_persistent
int *	nb_frames_max_display
void(*	meter )(float *src, int nb_samples, float *max, float factor)

Detailed Description

Definition at line 38 of file avf_showvolume.c.

Field Documentation

class

const AVClass* ShowVolumeContext::class

Definition at line 39 of file avf_showvolume.c.

w

int ShowVolumeContext::w

Definition at line 40 of file avf_showvolume.c.

Referenced by calc_max_draw(), config_input(), config_output(), and filter_frame().

h

int ShowVolumeContext::h

Definition at line 40 of file avf_showvolume.c.

Referenced by config_output(), draw_max_line(), and filter_frame().

b

int ShowVolumeContext::b

Definition at line 41 of file avf_showvolume.c.

Referenced by config_output(), draw_max_line(), and filter_frame().

f

double ShowVolumeContext::f

Definition at line 42 of file avf_showvolume.c.

Referenced by filter_frame().

frame_rate

AVRational ShowVolumeContext::frame_rate

Definition at line 43 of file avf_showvolume.c.

Referenced by config_input(), and config_output().

color

char* ShowVolumeContext::color

Definition at line 44 of file avf_showvolume.c.

Referenced by init().

orientation

int ShowVolumeContext::orientation

Definition at line 45 of file avf_showvolume.c.

Referenced by calc_max_draw(), config_output(), draw_max_line(), and filter_frame().

step

int ShowVolumeContext::step

Definition at line 46 of file avf_showvolume.c.

Referenced by filter_frame().

bgopacity

float ShowVolumeContext::bgopacity

Definition at line 47 of file avf_showvolume.c.

Referenced by clear_picture(), and filter_frame().

mode

int ShowVolumeContext::mode

Definition at line 48 of file avf_showvolume.c.

Referenced by config_input().

out

AVFrame* ShowVolumeContext::out

Definition at line 50 of file avf_showvolume.c.

Referenced by clear_picture(), draw_max_line(), filter_frame(), and uninit().

c_expr

AVExpr* ShowVolumeContext::c_expr

Definition at line 51 of file avf_showvolume.c.

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

draw_text

int ShowVolumeContext::draw_text

Definition at line 52 of file avf_showvolume.c.

Referenced by filter_frame().

draw_volume

int ShowVolumeContext::draw_volume

Definition at line 53 of file avf_showvolume.c.

Referenced by filter_frame().

values

double* ShowVolumeContext::values

Definition at line 54 of file avf_showvolume.c.

Referenced by config_input(), config_output(), filter_frame(), and uninit().

color_lut

uint32_t* ShowVolumeContext::color_lut

Definition at line 55 of file avf_showvolume.c.

Referenced by config_input(), config_output(), filter_frame(), and uninit().

max

float* ShowVolumeContext::max

Definition at line 56 of file avf_showvolume.c.

Referenced by calc_max_draw(), calc_persistent_max(), config_input(), config_output(), filter_frame(), and uninit().

rms_factor

float ShowVolumeContext::rms_factor

Definition at line 57 of file avf_showvolume.c.

Referenced by config_input(), and filter_frame().

display_scale

int ShowVolumeContext::display_scale

Definition at line 58 of file avf_showvolume.c.

Referenced by calc_max_draw().

draw_persistent_duration

double ShowVolumeContext::draw_persistent_duration

Definition at line 60 of file avf_showvolume.c.

Referenced by config_input(), and filter_frame().

persistant_max_rgba

uint8_t ShowVolumeContext::persistant_max_rgba[4]

Definition at line 61 of file avf_showvolume.c.

Referenced by draw_max_line().

persistent_max_frames

int ShowVolumeContext::persistent_max_frames

Definition at line 62 of file avf_showvolume.c.

Referenced by calc_persistent_max(), and config_input().

max_persistent

float* ShowVolumeContext::max_persistent

Definition at line 63 of file avf_showvolume.c.

Referenced by calc_persistent_max(), config_input(), and filter_frame().

nb_frames_max_display

int* ShowVolumeContext::nb_frames_max_display

Definition at line 64 of file avf_showvolume.c.

Referenced by calc_persistent_max(), and config_input().

meter

void(* ShowVolumeContext::meter) (float *src, int nb_samples, float *max, float factor)

Definition at line 66 of file avf_showvolume.c.

Referenced by config_input(), and filter_frame().

---

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

• libavfilter/avf_showvolume.c