nvll_osd_api.h

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/*
 * Copyright (c) 2019-2020, NVIDIA CORPORATION.  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *  3. The names of its contributors may not be used to endorse or promote
 *     products derived from this software without specific prior written
 *     permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __NVLL_OSD_API_DEFS__
#define __NVLL_OSD_API_DEFS__

#include "nvll_osd_struct.h"
#include "nvbufsurface.h"

#define NVOSD_PRINT_E(f_, ...) \
  printf("libnvosd (%d):(ERROR) : " f_, __LINE__, ##__VA_ARGS__)

#define MAX_IN_BUF 16
#define MAX_BORDER_WIDTH 32

#ifdef __cplusplus
extern "C"
{
#endif

typedef void * NvOSDCtxHandle;
typedef struct _NvOSD_FrameTextParams
{
  NvBufSurfaceParams *buf_ptr;
  NvOSD_Mode mode;
  int num_strings;
  NvOSD_TextParams *text_params_list;
} NvOSD_FrameTextParams;

typedef struct _NvOSD_FrameRectParams
{
  NvBufSurfaceParams *buf_ptr;
  NvOSD_Mode mode;
  int num_rects;
  NvOSD_RectParams *rect_params_list;
} NvOSD_FrameRectParams;

typedef struct _NvOSD_FrameLineParams
{
  NvBufSurfaceParams *buf_ptr;
  NvOSD_Mode mode;
  int num_lines;
  NvOSD_LineParams *line_params_list;
} NvOSD_FrameLineParams;

typedef struct _NvOSD_FrameArrowParams
{
  NvBufSurfaceParams *buf_ptr;
  NvOSD_Mode mode;
  int num_arrows;
  NvOSD_ArrowParams *arrow_params_list;
} NvOSD_FrameArrowParams;

typedef struct _NvOSD_FrameCircleParams
{
  NvBufSurfaceParams *buf_ptr;
  NvOSD_Mode mode;
  int num_circles;
  NvOSD_CircleParams *circle_params_list;
} NvOSD_FrameCircleParams;

NvOSDCtxHandle nvll_osd_create_context(void);

void nvll_osd_destroy_context(NvOSDCtxHandle nvosd_ctx);

void nvll_osd_set_clock_params(NvOSDCtxHandle nvosd_ctx, NvOSD_TextParams *clk_params);


int nvll_osd_put_text(NvOSDCtxHandle nvosd_ctx, NvOSD_FrameTextParams *frame_text_params);

int nvll_osd_draw_rectangles(NvOSDCtxHandle nvosd_ctx, NvOSD_FrameRectParams *frame_rect_params);

int nvll_osd_draw_lines(NvOSDCtxHandle nvosd_ctx, NvOSD_FrameLineParams *frame_line_params);

int nvll_osd_draw_arrows(NvOSDCtxHandle nvosd_ctx, NvOSD_FrameArrowParams *frame_arrow_params);

int nvll_osd_draw_circles(NvOSDCtxHandle nvosd_ctx, NvOSD_FrameCircleParams *frame_circle_params);

void *nvll_osd_set_params (NvOSDCtxHandle nvosd_ctx, int width, int height);

int nvll_osd_init_colors_for_hw_blend(void *nvosd_ctx, NvOSD_Color_info * color_info, int num_classes);

#ifdef __cplusplus
}
#endif

#endif