| |
| /*! |
| ************************************************************************************** |
| * \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 <stewe@cs.tu-berlin.de> |
| *************************************************************************************** |
| */ |
| |
| |
| #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_AUD 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 |
