ScaleContext Struct Reference

Data Fields
const AVClass *	class
struct SwsContext *	sws
	software scaler context More...
struct SwsContext *	isws [2]
	software scaler context for interlaced material More...
AVDictionary *	opts
int	w
	New dimensions. More...
int	h
char *	size_str
unsigned int	flags
double	param [2]
	sws flags More...
int	hsub
int	vsub
	chroma subsampling More...
int	slice_y
	top of current output slice More...
int	input_is_pal
	set to 1 if the input format is paletted More...
int	output_is_pal
	set to 1 if the output format is paletted More...
int	interlaced
char *	w_expr
	width expression string More...
char *	h_expr
	height expression string More...
char *	flags_str
char *	in_color_matrix
char *	out_color_matrix
int	in_range
int	out_range
int	out_h_chr_pos
int	out_v_chr_pos
int	in_h_chr_pos
int	in_v_chr_pos
int	force_original_aspect_ratio
int	nb_slices
int	eval_mode
	expression evaluation mode More...

Detailed Description

Definition at line 50 of file vf_scale.c.

Field Documentation

class

const AVClass* ScaleContext::class

Definition at line 51 of file vf_scale.c.

sws

struct SwsContext* ScaleContext::sws

software scaler context

Definition at line 52 of file vf_scale.c.

Referenced by config_props(), filter_frame(), and uninit().

isws

struct SwsContext* ScaleContext::isws[2]

software scaler context for interlaced material

Definition at line 53 of file vf_scale.c.

Referenced by config_props(), filter_frame(), and uninit().

opts

AVDictionary* ScaleContext::opts

Definition at line 54 of file vf_scale.c.

Referenced by config_props(), init_dict(), and uninit().

w

int ScaleContext::w

New dimensions.

Special values are: 0 = original width/height -1 = keep original aspect -N = try to keep aspect but make sure it is divisible by N

Definition at line 62 of file vf_scale.c.

Referenced by config_props(), init_dict(), and process_command().

h

int ScaleContext::h

Definition at line 62 of file vf_scale.c.

Referenced by config_props(), init_dict(), and process_command().

size_str

char* ScaleContext::size_str

Definition at line 63 of file vf_scale.c.

Referenced by init_dict().

flags

unsigned int ScaleContext::flags

Definition at line 64 of file vf_scale.c.

Referenced by config_props(), and init_dict().

param

double ScaleContext::param[2]

sws flags

Definition at line 65 of file vf_scale.c.

Referenced by config_props().

hsub

int ScaleContext::hsub

Definition at line 67 of file vf_scale.c.

Referenced by filter_frame().

vsub

int ScaleContext::vsub

chroma subsampling

Definition at line 67 of file vf_scale.c.

Referenced by filter_frame(), and scale_slice().

slice_y

int ScaleContext::slice_y

top of current output slice

Definition at line 68 of file vf_scale.c.

input_is_pal

int ScaleContext::input_is_pal

set to 1 if the input format is paletted

Definition at line 69 of file vf_scale.c.

Referenced by config_props(), and scale_slice().

output_is_pal

int ScaleContext::output_is_pal

set to 1 if the output format is paletted

Definition at line 70 of file vf_scale.c.

Referenced by config_props(), filter_frame(), and scale_slice().

interlaced

int ScaleContext::interlaced

Definition at line 71 of file vf_scale.c.

Referenced by config_props(), filter_frame(), and init_dict().

w_expr

char* ScaleContext::w_expr

width expression string

Definition at line 73 of file vf_scale.c.

Referenced by config_props(), and init_dict().

h_expr

char* ScaleContext::h_expr

height expression string

Definition at line 74 of file vf_scale.c.

Referenced by config_props(), and init_dict().

flags_str

char* ScaleContext::flags_str

Definition at line 75 of file vf_scale.c.

Referenced by init_dict().

in_color_matrix

char* ScaleContext::in_color_matrix

Definition at line 77 of file vf_scale.c.

Referenced by filter_frame().

out_color_matrix

char* ScaleContext::out_color_matrix

Definition at line 78 of file vf_scale.c.

Referenced by config_props(), and filter_frame().

in_range

int ScaleContext::in_range

Definition at line 80 of file vf_scale.c.

Referenced by config_props(), and filter_frame().

out_range

int ScaleContext::out_range

Definition at line 81 of file vf_scale.c.

Referenced by config_props(), and filter_frame().

out_h_chr_pos

int ScaleContext::out_h_chr_pos

Definition at line 83 of file vf_scale.c.

Referenced by config_props().

out_v_chr_pos

int ScaleContext::out_v_chr_pos

Definition at line 84 of file vf_scale.c.

Referenced by config_props().

in_h_chr_pos

int ScaleContext::in_h_chr_pos

Definition at line 85 of file vf_scale.c.

Referenced by config_props().

in_v_chr_pos

int ScaleContext::in_v_chr_pos

Definition at line 86 of file vf_scale.c.

Referenced by config_props().

force_original_aspect_ratio

int ScaleContext::force_original_aspect_ratio

Definition at line 88 of file vf_scale.c.

Referenced by config_props().

nb_slices

int ScaleContext::nb_slices

Definition at line 90 of file vf_scale.c.

Referenced by filter_frame().

eval_mode

int ScaleContext::eval_mode

expression evaluation mode

Definition at line 92 of file vf_scale.c.

Referenced by filter_frame().

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

• libavfilter/vf_scale.c