CropContext Struct Reference

Data Fields
int	x
	x offset of the non-cropped area with respect to the input area
int	y
	y offset of the non-cropped area with respect to the input area
int	w
	width of the cropped area
int	h
	height of the cropped area
AVRational	out_sar
	output sample aspect ratio
int	keep_aspect
	keep display aspect ratio when cropping
int	max_step [4]
	max pixel step for each plane, expressed as a number of bytes
int	hsub
int	vsub
	chroma subsampling
char	x_expr [256]
char	y_expr [256]
char	ow_expr [256]
char	oh_expr [256]
AVExpr *	x_pexpr
AVExpr *	y_pexpr
double	var_values [VAR_VARS_NB]

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Detailed Description

Definition at line 72 of file vf_crop.c.

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Field Documentation

int CropContext::h

height of the cropped area

Definition at line 76 of file vf_crop.c.

Referenced by config_input(), config_output(), draw_slice(), and start_frame().

int CropContext::hsub

Definition at line 82 of file vf_crop.c.

Referenced by config_input(), and start_frame().

int CropContext::keep_aspect

keep display aspect ratio when cropping

Definition at line 79 of file vf_crop.c.

Referenced by config_input(), and init().

int CropContext::max_step[4]

max pixel step for each plane, expressed as a number of bytes

Definition at line 81 of file vf_crop.c.

Referenced by config_input(), and start_frame().

char CropContext::oh_expr[256]

Definition at line 83 of file vf_crop.c.

Referenced by config_input(), and init().

AVRational CropContext::out_sar

output sample aspect ratio

Definition at line 78 of file vf_crop.c.

Referenced by config_input(), and config_output().

char CropContext::ow_expr[256]

Definition at line 83 of file vf_crop.c.

Referenced by config_input(), and init().

double CropContext::var_values[VAR_VARS_NB]

Definition at line 85 of file vf_crop.c.

Referenced by config_input(), end_frame(), and start_frame().

int CropContext::vsub

chroma subsampling

Definition at line 82 of file vf_crop.c.

Referenced by config_input(), and start_frame().

int CropContext::w

width of the cropped area

Definition at line 75 of file vf_crop.c.

Referenced by config_input(), config_output(), and start_frame().

int CropContext::x

x offset of the non-cropped area with respect to the input area

Definition at line 73 of file vf_crop.c.

Referenced by start_frame().

char CropContext::x_expr[256]

Definition at line 83 of file vf_crop.c.

Referenced by config_input(), and init().

AVExpr* CropContext::x_pexpr

Definition at line 84 of file vf_crop.c.

Referenced by config_input(), start_frame(), and uninit().

int CropContext::y

y offset of the non-cropped area with respect to the input area

Definition at line 74 of file vf_crop.c.

Referenced by draw_slice(), and start_frame().

char CropContext::y_expr[256]

Definition at line 83 of file vf_crop.c.

Referenced by config_input(), and init().

AVExpr * CropContext::y_pexpr

Definition at line 84 of file vf_crop.c.

Referenced by config_input(), start_frame(), and uninit().

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

• libavfilter/vf_crop.c