soc_jpeg_api.h

浏览该文件的文档.

/*
 * Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2021-2023. All rights reserved.
 * Description:   jpeg api interface
 * Author:
 * Create:  2021-10-15
 */
 
#ifndef SOC_JPEG_API_H
#define SOC_JPEG_API_H
 
#include <stdio.h>
#include "td_base.h"
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
 
/*-------------------------------- macro define -------------------------------------------*/
 
#define JPEG_COMPONENTS  2
 
/*-------------------------------- struct define ------------------------------------------*/
 
typedef enum {
    JPEG_SCALE_1 = 1, 
    JPEG_SCALE_2 = 2, 
    JPEG_SCALE_4 = 4, 
    JPEG_SCALE_8 = 8, 
    JPEG_SCALE_MAX    
} jpeg_scale_multiple;
 
typedef enum {
    JPEG_COLOR_SPACE_YUV400 = 0, 
    JPEG_COLOR_SPACE_YUV420,     
    JPEG_COLOR_SPACE_YUV422_21,  
    JPEG_COLOR_SPACE_YUV422_12,  
    JPEG_COLOR_SPACE_YUV444,     
    JPEG_COLOR_SPACE_ARGB8888,   
    JPEG_COLOR_SPACE_RGB888,     
    JPEG_COLOR_SPACE_MAX         
} jpeg_color_space;
 
typedef struct jpeg_source_struct {
    FILE *infile;                              
    td_char *vir_buf;                          
    td_u32 phy_buf;                            
    td_u32 size;                               
} *jpeg_source_ptr;
 
typedef struct jpeg_dst_struct {
    td_char *vir_buf;           
    td_u32 phy_buf;             
    td_u32 size;                
    td_u32 stride;              
    td_u32 uv_stride;           
    td_u32 uv_offset;           
} *jpeg_dst_ptr;
 
typedef struct jpeg_time_struct {
    td_u16 year;        
    td_u8 month;        
    td_u8 day;          
    td_u8 hour;         
    td_u8 minute;       
    td_u8 second;       
} *jpeg_time_ptr;
 
typedef struct jpeg_thumbnail_struct {
    td_char *buffer;        
    td_u32 phy_buf;         
    td_u32 size;            
} *jpeg_thumbnail_ptr;
 
typedef struct jpeg_output_struct {
    td_u32 width[JPEG_COMPONENTS];    
    td_u32 height[JPEG_COMPONENTS];   
    td_u32 stride[JPEG_COMPONENTS];   
    td_u32 size[JPEG_COMPONENTS];     
} *jpeg_output_ptr;
 
typedef struct jpeg_decompress_struct {
    td_void *private_data;                
    td_bool thumbnail_en;                 
    td_bool is_hdr;                       
    td_bool output_yuv420sp;              
    td_u32 image_width;                   
    td_u32 image_height;                  
    td_u32 output_width;                  
    td_u32 output_height;                 
    td_u32 output_stride;                 
    jpeg_color_space image_color_space;   
    jpeg_color_space output_color_space;  
    jpeg_scale_multiple scale;            
    struct jpeg_output_struct output;     
    struct jpeg_time_struct time;         
    struct jpeg_thumbnail_struct thumbnail; 
} *jpeg_decompress_ptr;
 
/*-------------------------------- func declares ------------------------------------------*/
 
td_s32  uapi_jpeg_decomress_create(jpeg_decompress_ptr dinfo, jpeg_source_ptr src, td_bool is_mem);
 
td_s32  uapi_jpeg_decompress_start(jpeg_decompress_ptr dinfo, jpeg_dst_ptr dst);
 
td_s32  uapi_jpeg_decompress_stop(jpeg_decompress_ptr dinfo);
 
td_void uapi_jpeg_decompress_destroy(jpeg_decompress_ptr dinfo);
 
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
 
#endif /* SOC_JPEG_API_H */