ni_filter_utils.h

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/*!*****************************************************************************
 *  \file   filter_utils.h
 *
 *  \brief  Video filtering utility functions shared by Libxcoder API examples
 ******************************************************************************/
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct _ni_scale_params
{
    int enabled;
    int width;
    int height;
    int format;
} ni_scale_params_t;
 
typedef struct _ni_drawbox_params
{
    int enabled;
    int box_w;
    int box_h;
    int box_x;
    int box_y;
} ni_drawbox_params_t;
 
int ni_scaler_params_set_value(ni_scale_params_t *params, const char *name, const char *value);
int ni_drawbox_params_set_value(ni_drawbox_params_t *params, const char *name, const char *value);
int retrieve_filter_params(char filter_params[], ni_scale_params_t *scale_params, ni_drawbox_params_t *drawbox_params);
 
void init_scaler_params(ni_scaler_input_params_t *p_scaler_params, ni_scaler_opcode_t op, int in_rec_width,
                        int in_rec_height, int in_rec_x, int in_rec_y, int out_rec_x, int out_rec_y);
int scaler_session_open(ni_session_context_t *p_scaler_ctx, int iXcoderGUID, ni_scaler_opcode_t op);
int launch_scaler_operation(ni_session_context_t *p_scaler_ctx, int iXcoderGUID,
                            ni_frame_t *p_frame_in_up, ni_frame_t *p_frame_in_bg,
                            ni_session_data_io_t *p_data_out, ni_scaler_input_params_t scaler_params);
 
int drawbox_filter(ni_session_context_t *p_crop_ctx, ni_session_context_t *p_pad_ctx,
                   ni_session_context_t *p_overlay_ctx, ni_session_context_t *p_fmt_ctx,
                   ni_frame_t *p_frame_in, ni_session_data_io_t *p_data_out, ni_drawbox_params_t *p_box_params,
                   int iXcoderGUID, int input_format, int output_format);
int scale_filter(ni_session_context_t *p_ctx, ni_frame_t *p_frame_in,
                 ni_session_data_io_t *p_data_out, int iXcoderGUID,
                 int scale_width, int scale_height, int in_format, int out_format);
 
#ifdef __cplusplus
}
#endif