www.pudn.com > wm2.5.zip > nalu.h

 
/*! 
 ************************************************************************************** 
 * \file 
 *    nal.h 
 * WJP FOR NAL 
 *************************************************************************************** 
 */ 
 
 
#ifndef _NALU_H_ 
#define _NALU_H_ 
 
#define NALU_TYPE_P_HEADER 1//WJP FOR NALU_TYPE 
#define NALU_TYPE_IDR      2 
#define NALU_TYPE_SLICE    3//WJP FOR NALU_TYPE 
#define NALU_TYPE_SPS      4 
#define NALU_TYPE_PPS      5 
#define NALU_TYPE_SEI      6 
 
#define NAL_REF_IDC_SPS     3 
#define NAL_REF_IDC_PPS     2 
#define NAL_REF_IDC_REF     1 
#define NAL_REF_IDC_NONREF  0 
 
 
typedef struct  
{ 
	unsigned len;                 //! Length of the NAL unit (Excluding the start code, which does not belong to the NALU) 
	int nal_unit_type;            //! NALU_TYPE_xxxx 
	int nal_reference_idc;        //! NALU_PRIORITY_xxxx 
	int forbidden_bit;            //! should be always FALSE 
	Byte *buf;        //! conjtains the first byte followed by the EBSP 
} NALU_t; 
 
 
int Form_NALU(NALU_t *nalu, int NAL_type, int NAL_ref_idc, Byte *streamBuffer, int len_data_seq); 
int Write_NALU2File(NALU_t *nalu, FILE *f); 
//NALU_t *nalu; 
NALU_t *AllocNALU(); 
void FreeNALU(NALU_t *n); 
 
#endif