frameextractor.h

来自「6410BSP1」· C头文件 代码 · 共 72 行

/////
///   FrameExtractor.h
///
///   Written by Simon Chun ([e-mail])
///   2007/03/16
///

#ifndef __SAMSUNG_SYSLSI_AP_FRAME_EXTRACTOR_H__
#define __SAMSUNG_SYSLSI_AP_FRAME_EXTRACTOR_H__


// 郴何 QUEUE 滚欺狼 农扁
// delimiter狼 辨捞绰 捞 QUEUE 滚欺 农扁焊促 累酒具 茄促.
#define QUEUE_CAPACITY        12

typedef void * FRAMEX_IN;

typedef enum
{
    FRAMEX_IN_TYPE_FILE,
    FRAMEX_IN_TYPE_MEM,

} FRAMEX_IN_TYPE;

// 促澜篮 FILE捞 酒囱 memory buffer狼 stream 涝仿老 版快.. (FRAMEX_IN_TYPE_MEM 鸥涝!)
typedef struct
{
    unsigned char *p_start;
    unsigned char *p_end;

    unsigned char *p_cur;
} FRAMEX_STRM_PTR;


typedef struct stFRAMEX_CTX
{
    FRAMEX_IN_TYPE   in_type;
    unsigned char   *delim_ptr;
    int              delim_leng;
    int              delim_insert;

    int              cont_offset;
} FRAMEX_CTX;



#ifdef __cplusplus
extern "C" {
#endif

FRAMEX_CTX *FrameExtractorInit(FRAMEX_IN_TYPE type, unsigned char delimiter[], int delim_leng, int delim_insert);
int FrameExtractorFirst(FRAMEX_CTX *pCTX, FRAMEX_IN in);
int FrameExtractorNext(FRAMEX_CTX *pCTX, FRAMEX_IN in, unsigned char outbuf[], int outbuf_size, int *n_fill);
int FrameExtractorPeek(FRAMEX_CTX *pCTX, FRAMEX_IN in, unsigned char peekbuf[], int peek_size, int *n_fill);
int FrameExtractorFinal(FRAMEX_CTX *pCTX);


#ifdef __cplusplus
}
#endif


#define FRAMEX_OK                        0
#define FRAMEX_CONTINUE                    (-1)
#define FRAMEX_ERR_NOTFOUND                (-2)
#define FRAMEX_ERR_EOS                    (-3)
#define FRAMEX_ERR_BUFSIZE_TOO_SMALL    (-4)
#define FRAMEX_INVALID_PARAM            (-10001)


#endif /* __SAMSUNG_SYSLSI_AP_FRAME_EXTRACTOR_H__ */