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/*!

 **************************************************************************************

 * \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