ScaleContext Struct Reference

Data Fields
const AVClass *	class
struct SwsContext *	sws
	software scaler context
struct SwsContext *	isws [2]
	software scaler context for interlaced material
int	w
	New dimensions.
int	h
char *	flags_str
char *	size_str
	sws flags string
unsigned int	flags
int	hsub
	sws flags
int	vsub
	chroma subsampling
int	slice_y
	top of current output slice
int	input_is_pal
	set to 1 if the input format is paletted
int	output_is_pal
	set to 1 if the output format is paletted
int	interlaced
char *	w_expr
	width expression string
char *	h_expr
	height expression string

Detailed Description

Definition at line 70 of file vf_scale.c.

Field Documentation

const AVClass* ScaleContext::class

Definition at line 71 of file vf_scale.c.

Referenced by init().

struct SwsContext* ScaleContext::sws

software scaler context

Definition at line 72 of file vf_scale.c.

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

struct SwsContext* ScaleContext::isws[2]

software scaler context for interlaced material

Definition at line 73 of file vf_scale.c.

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

int ScaleContext::w

New dimensions.

Special values are: 0 = original width/height -1 = keep original aspect

Definition at line 80 of file vf_scale.c.

Referenced by config_props(), and init().

int ScaleContext::h

Definition at line 80 of file vf_scale.c.

Referenced by config_props(), and init().

char* ScaleContext::flags_str

Definition at line 81 of file vf_scale.c.

Referenced by init().

char* ScaleContext::size_str

sws flags string

Definition at line 82 of file vf_scale.c.

Referenced by init().

unsigned int ScaleContext::flags

Definition at line 83 of file vf_scale.c.

Referenced by config_props(), and init().

int ScaleContext::hsub

sws flags

Definition at line 85 of file vf_scale.c.

Referenced by filter_frame().

int ScaleContext::vsub

chroma subsampling

Definition at line 85 of file vf_scale.c.

Referenced by filter_frame(), and scale_slice().

int ScaleContext::slice_y

top of current output slice

Definition at line 86 of file vf_scale.c.

int ScaleContext::input_is_pal

set to 1 if the input format is paletted

Definition at line 87 of file vf_scale.c.

Referenced by config_props(), and scale_slice().

int ScaleContext::output_is_pal

set to 1 if the output format is paletted

Definition at line 88 of file vf_scale.c.

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

int ScaleContext::interlaced

Definition at line 89 of file vf_scale.c.

Referenced by filter_frame(), and init().

char* ScaleContext::w_expr

width expression string

Definition at line 91 of file vf_scale.c.

Referenced by config_props(), and init().

char* ScaleContext::h_expr

height expression string

Definition at line 92 of file vf_scale.c.

Referenced by config_props(), and init().

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

• libavfilter/vf_scale.c