H.264编码解码器源码(c语言版本)

源代码在线查看: h.264

软件大小: 1777 K
上传用户: multicolor
关键词: 264 编码解码器 源码 c语言
下载地址: 免注册下载 普通下载 VIP

相关代码

				
				/*!
				 **************************************************************************************
				 * \file
				 *    nalucommon.h.h
				 * \brief
				 *    NALU handling common to encoder and decoder
				 *  \date 25 November 2002
				 * \author
				 *    Main contributors (see contributors.h for copyright, address and affiliation details) 
				 *      - Stephan Wenger        
				 ***************************************************************************************
				 */
				
				
				#ifndef _NALUCOMMON_H_
				#define _NALUCOMMON_H_
				
				#define MAXRBSPSIZE 64000
				
				#define NALU_TYPE_SLICE    1
				#define NALU_TYPE_DPA      2
				#define NALU_TYPE_DPB      3
				#define NALU_TYPE_DPC      4
				#define NALU_TYPE_IDR      5
				#define NALU_TYPE_SEI      6
				#define NALU_TYPE_SPS      7
				#define NALU_TYPE_PPS      8
				#define NALU_TYPE_PD       9
				#define NALU_TYPE_EOSEQ    10
				#define NALU_TYPE_EOSTREAM 11
				#define NALU_TYPE_FILL     12
				
				#define NALU_PRIORITY_HIGHEST     3
				#define NALU_PRIORITY_HIGH        2
				#define NALU_PRIRITY_LOW          1
				#define NALU_PRIORITY_DISPOSABLE  0
				
				
				typedef struct 
				{
				  int startcodeprefix_len;      //! 4 for parameter sets and first slice in picture, 3 for everything else (suggested)
				  unsigned len;                 //! Length of the NAL unit (Excluding the start code, which does not belong to the NALU)
				  unsigned max_size;            //! Nal Unit Buffer size
				  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;
				
				
				NALU_t *AllocNALU();
				void FreeNALU(NALU_t *n);
				
				#endif
							

相关资源