NVIDIA DeepStream SDK API Reference4.0.1 Release |
NVIDIA Multimedia Utilities: On-Screen Display API
Description: This file defines the NvOSD library, used to draw rectangles and text over the frame.
Definition in file nvll_osd_api.h.
Go to the source code of this file.
Data Structures | |
struct | _NvOSD_FrameTextParams |
struct | _NvOSD_FrameRectParams |
struct | _NvOSD_FrameLineParams |
Macros | |
#define | NVOSD_PRINT_E(f_,...) printf("libnvosd (%d):(ERROR) : " f_, __LINE__, ##__VA_ARGS__) |
#define | MAX_IN_BUF 16 |
#define | MAX_BORDER_WIDTH 32 |
Typedefs | |
typedef struct _NvOSD_FrameTextParams | NvOSD_FrameTextParams |
typedef struct _NvOSD_FrameRectParams | NvOSD_FrameRectParams |
typedef struct _NvOSD_FrameLineParams | NvOSD_FrameLineParams |
Functions | |
void * | nvll_osd_create_context (void) |
Creates an NvOSD context. More... | |
void | nvll_osd_destroy_context (void *nvosd_ctx) |
Destroys an NvOSD context. More... | |
void | nvll_osd_set_clock_params (void *nvosd_ctx, NvOSD_TextParams *clk_params) |
Sets clock parameters for the given context. More... | |
int | nvll_osd_put_text (void *nvosd_ctx, NvOSD_FrameTextParams *frame_text_params) |
Overlays clock and given text at given location on a buffer. More... | |
int | nvll_osd_draw_rectangles (void *nvosd_ctx, NvOSD_FrameRectParams *frame_rect_params) |
Overlays boxes at given location on a buffer. More... | |
int | nvll_osd_draw_lines (void *nvosd_ctx, NvOSD_FrameLineParams *frame_line_params) |
Overlays lines on the buffer. More... | |
void * | nvll_osd_set_params (void *nvosd_ctx, int width, int height) |
Sets the resolution of the frames on which the NvOSDContext will operate. More... | |