OverlayContext Struct Reference

Data Fields
const AVClass *	class
int	x
int	y
	position of overlayed picture
int	allow_packed_rgb
uint8_t	main_is_packed_rgb
uint8_t	main_rgba_map [4]
uint8_t	main_has_alpha
uint8_t	overlay_is_packed_rgb
uint8_t	overlay_rgba_map [4]
uint8_t	overlay_has_alpha
AVFilterBufferRef *	overpicref
AVFilterBufferRef *	overpicref_next
int	main_pix_step [4]
	steps per pixel for each plane of the main output
int	overlay_pix_step [4]
	steps per pixel for each plane of the overlay
int	hsub
int	vsub
	chroma subsampling values
char *	x_expr
char *	y_expr

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Detailed Description

Definition at line 69 of file vf_overlay.c.

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Field Documentation

int OverlayContext::allow_packed_rgb

Definition at line 73 of file vf_overlay.c.

Referenced by query_formats().

const AVClass* OverlayContext::class

Definition at line 70 of file vf_overlay.c.

Referenced by init().

int OverlayContext::hsub

Definition at line 85 of file vf_overlay.c.

Referenced by blend_slice(), and config_input_main().

uint8_t OverlayContext::main_has_alpha

Definition at line 76 of file vf_overlay.c.

Referenced by blend_slice(), and config_input_main().

uint8_t OverlayContext::main_is_packed_rgb

Definition at line 74 of file vf_overlay.c.

Referenced by blend_slice(), and config_input_main().

int OverlayContext::main_pix_step[4]

steps per pixel for each plane of the main output

Definition at line 83 of file vf_overlay.c.

Referenced by blend_slice(), and config_input_main().

uint8_t OverlayContext::main_rgba_map[4]

Definition at line 75 of file vf_overlay.c.

Referenced by blend_slice(), and config_input_main().

uint8_t OverlayContext::overlay_has_alpha

Definition at line 79 of file vf_overlay.c.

Referenced by config_input_overlay().

uint8_t OverlayContext::overlay_is_packed_rgb

Definition at line 77 of file vf_overlay.c.

Referenced by config_input_overlay().

int OverlayContext::overlay_pix_step[4]

steps per pixel for each plane of the overlay

Definition at line 84 of file vf_overlay.c.

Referenced by blend_slice(), and config_input_overlay().

uint8_t OverlayContext::overlay_rgba_map[4]

Definition at line 78 of file vf_overlay.c.

Referenced by blend_slice(), and config_input_overlay().

AVFilterBufferRef* OverlayContext::overpicref

Definition at line 81 of file vf_overlay.c.

Referenced by draw_slice(), poll_frame(), start_frame(), start_frame_overlay(), and uninit().

AVFilterBufferRef * OverlayContext::overpicref_next

Definition at line 81 of file vf_overlay.c.

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

int OverlayContext::vsub

chroma subsampling values

Definition at line 85 of file vf_overlay.c.

Referenced by blend_slice(), and config_input_main().

int OverlayContext::x

Definition at line 71 of file vf_overlay.c.

Referenced by config_input_overlay(), and draw_slice().

char* OverlayContext::x_expr

Definition at line 87 of file vf_overlay.c.

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

int OverlayContext::y

position of overlayed picture

Definition at line 71 of file vf_overlay.c.

Referenced by config_input_overlay(), and draw_slice().

char * OverlayContext::y_expr

Definition at line 87 of file vf_overlay.c.

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

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

• libavfilter/vf_overlay.c