sp500/letterbox.h Source File

sp500/letterbox.h Source File#

Mobilint REGULUS: sp500/letterbox.h Source File

Mobilint REGULUS v4.1

SP500 DSP API

sp500

#ifndef SP500_LETTERBOX_H
#define SP500_LETTERBOX_H
 
#include <sp500/dsp.h>
 
#ifdef __cplusplus
extern "C" {
#endif
enum
{
    SP500_RESIZE_NEAREST  = 0,  
    SP500_RESIZE_BILINEAR = 1,  
    SP500_RESIZE_BICUBIC  = 2,  
    SP500_RESIZE_LANCZOS  = 3   
};
typedef struct sp500_letterbox_params
{
    int32_t src_w;      
    int32_t src_h;      
    int32_t dst_w;      
    int32_t dst_h;      
    int32_t channels;   
    int32_t interp;     
    uint8_t pad_value;  
    uint8_t center;     
    uint8_t scale_up;   
    uint8_t swap_rb;    
    uint32_t reserved[4]; 
} sp500_letterbox_params;
SP500_API void sp500_letterbox_params_init(sp500_letterbox_params* params);
typedef struct sp500_letterbox_result
{
    float    scale;         
    int32_t  pad_x;         
    int32_t  pad_y;         
    double   host_seconds;  
    uint32_t reserved[4];   
} sp500_letterbox_result;
SP500_API sp500_status sp500_letterbox(const sp500_buffer* src,
                                       const sp500_letterbox_params* params,
                                       sp500_buffer* dst,
                                       sp500_letterbox_result* result);
 
#ifdef __cplusplus
} /* extern "C" */
#endif
 
#endif /* SP500_LETTERBOX_H */