nvosd.h File Reference

Detailed Description

NVIDIA Multimedia Utilities: On-Screen Display Manager

This file defines the NvOSD library to be used to draw rectangles and text over the frame for given parameters.

Definition in file nvosd.h.

Go to the source code of this file.

Data Structures
struct	_NvOSD_ColorParams
	Holds the color parameters of the box or text to be overlayed. More...
struct	_NvOSD_FontParams
	Holds the font parameters of the text to be overlayed. More...
struct	_NvOSD_TextParams
	Holds the text parameters of the text to be overlayed. More...
struct	_NvOSD_Color_info
struct	_NvOSD_RectParams
	Holds the box parameters of the box to be overlayed. More...
struct	_NvOSD_LineParams
	Holds the box parameters of the line to be overlayed. More...
struct	_NvOSD_ArrowParams
	Holds the arrow parameters to be overlayed. More...
struct	_NvOSD_CircleParams
	Holds the circle parameters to be overlayed. More...

Macros
#define	NVOSD_MAX_NUM_RECTS   128
#define	MAX_BG_CLR   20

Typedefs
typedef struct _NvOSD_ColorParams	NvOSD_ColorParams
	Holds the color parameters of the box or text to be overlayed. More...
typedef struct _NvOSD_FontParams	NvOSD_FontParams
	Holds the font parameters of the text to be overlayed. More...
typedef struct _NvOSD_TextParams	NvOSD_TextParams
	Holds the text parameters of the text to be overlayed. More...
typedef struct _NvOSD_Color_info	NvOSD_Color_info
typedef struct _NvOSD_RectParams	NvOSD_RectParams
	Holds the box parameters of the box to be overlayed. More...
typedef struct _NvOSD_LineParams	NvOSD_LineParams
	Holds the box parameters of the line to be overlayed. More...
typedef struct _NvOSD_ArrowParams	NvOSD_ArrowParams
	Holds the arrow parameters to be overlayed. More...
typedef struct _NvOSD_CircleParams	NvOSD_CircleParams
	Holds the circle parameters to be overlayed. More...

Enumerations
enum	NvOSD_Mode {   MODE_CPU,   MODE_GPU,   MODE_HW }
	List modes used to overlay boxes and text. More...

Functions
void *	nvosd_create_context (void)
	Creates NvOSD context. More...
void	nvosd_destroy_context (void *nvosd_ctx)
	Destroys NvOSD context. More...
void	nvosd_set_clock_params (void *nvosd_ctx, NvOSD_TextParams *clk_params)
	Sets clock parameters for the given context. More...
int	nvosd_put_text (void *nvosd_ctx, NvOSD_Mode mode, int fd, int num_strings, NvOSD_TextParams *text_params_list)
	Overlays clock and given text at given location on a buffer. More...
int	nvosd_draw_rectangles (void *nvosd_ctx, NvOSD_Mode mode, int fd, int num_rects, NvOSD_RectParams *rect_params_list)
	Overlays boxes at given location on a buffer. More...
int	nvosd_init_colors_for_hw_blend (void *nvosd_ctx, NvOSD_Color_info *color_info, int num_classes)
int	nvosd_draw_arrows (void *nvosd_ctx, NvOSD_Mode mode, int fd, int num_arrows, NvOSD_ArrowParams *arrow_params_list)
int	nvosd_draw_circles (void *nvosd_ctx, NvOSD_Mode mode, int fd, int num_circles, NvOSD_CircleParams *circle_params_list)