img_proc.h

基于DM642平台的视频缩小放大功能 程序源代码

#ifndef _IMG_PROC
#define _IMG_PROC 1
typedef struct image
{
    unsigned char *img_data;
    int            img_cols;
    int            img_rows;
}IMAGE;

typedef struct
{  
    char          *ext_data;
    int            ext_size;
    char          *int_data;
    int            int_size;
}SCRATCH_PAD;

typedef struct
{
    short         *qmf_ext;
    short         *mqmf_ext;
    int           scale;
}WAVE_PARAMS;

typedef struct
{
    unsigned char  *mask;
    short          shift;
}LPF_PARAMS;

typedef struct
{
    unsigned char threshold;
}THRESH_PARAMS;
       
typedef enum img_type
{
    FLDS,
    PROG
} img_type;
    
void img_proc( IMAGE *in_image,  
               IMAGE *out_img,   
               SCRATCH_PAD *scratch_pad,
               img_type img_type_val,
               LPF_PARAMS  *lpf_params,
               THRESH_PARAMS *thresh_params); 
#endif