/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - Initial contribution

*

* Contributors:

* Ixonos Plc

*

* Description:

*

*/

#ifndef _SLICE_H_

#define _SLICE_H_

#include "globals.h"

#include "nrctyp32.h"

#include "bitbuffer.h"

#include "framebuffer.h"

#include "motcomp.h"

#include "parameterset.h"

#include "dpb.h"

#include <e32std.h>

/* Error codes */

#define SLICE_ERR_NON_EXISTING_PPS     -5

#define SLICE_ERR_NON_EXISTING_SPS     -4

#define SLICE_ERR_UNSUPPORTED_FEATURE  -3

#define SLICE_ERR_ILLEGAL_VALUE        -2

#define SLICE_ERROR                    -1

#define SLICE_OK                        0

#define SLICE_STOP_PARSING				1

#define SLICE_STOP_PARSING				1

#define MAX_SLICE_GROUP_NUM      8

#define MAX_NUM_OF_REORDER_CMDS  17

#define MAX_NUM_OF_MMCO_OPS      35

typedef struct _sliceMMCO_s {

  unsigned int memory_management_control_operation;

  unsigned int difference_of_pic_nums_minus1;

  unsigned int long_term_pic_num;

  unsigned int long_term_frame_idx;

  unsigned int max_long_term_frame_idx_plus1;

} sliceMMCO_s;

typedef struct _sliceRefPicListReorderCmd_s {

  unsigned int reordering_of_pic_nums_idc;

  unsigned int abs_diff_pic_num_minus1;

  unsigned int long_term_pic_num;

} sliceRefPicListReorderCmd_s;

typedef struct _slice_s {

  /* Copied from NAL deader */

  int nalType;

  int nalRefIdc;

  u_int32       maxFrameNum;

  unsigned int  isIDR;

  unsigned int  qp;

  unsigned int  picHasMMCO5;

  /*

   * These are slice header syntax elements

   */

  unsigned int  first_mb_in_slice;

  unsigned int  slice_type;

  unsigned int  pic_parameter_set_id;

  unsigned int  frame_num;

    unsigned int  idr_pic_id;

    unsigned int  pic_order_cnt_lsb;

      int32         delta_pic_order_cnt_bottom;

    int32         delta_pic_order_cnt_0;

      int32         delta_pic_order_cnt_1;

    unsigned int  redundant_pic_cnt;

  unsigned int  num_ref_idx_active_override_flag;

    unsigned int  num_ref_idx_l0_active_minus1;

  unsigned int  ref_pic_list_reordering_flag0;

    sliceRefPicListReorderCmd_s reorderCmdList[MAX_NUM_OF_REORDER_CMDS];

/* pred_weight_table() */

  /* if( nal_unit_type  = =  5 ) */

    unsigned int  no_output_of_prior_pics_flag;

    unsigned int  long_term_reference_flag;

  /* else */

    unsigned int  adaptive_ref_pic_marking_mode_flag;

      sliceMMCO_s mmcoCmdList[MAX_NUM_OF_MMCO_OPS];

  int           slice_qp_delta;

    unsigned int  disable_deblocking_filter_idc;

      int           slice_alpha_c0_offset_div2;

      int           slice_beta_offset_div2;

    unsigned int  slice_group_change_cycle;

    TInt	bitOffset;

    TUint sliceDataModified;

} slice_s;

slice_s *sliceOpen();

void sliceClose(slice_s *slice);

TInt ParseSliceHeader(slice_s *slice, seq_parameter_set_s *spsList[],

                     pic_parameter_set_s *ppsList[], bitbuffer_s *bitbuf, 

                     TUint* frameNumber, TUint aFrameFromEncoder);

TInt sliceParseMacroblocks(slice_s *slice, frmBuf_s *recoBuf, dpb_s *dpb,

                           pic_parameter_set_s *pps,

                           mbAttributes_s *mbData, TInt sliceID,

                           bitbuffer_s *bitbuf,

                           TBool aBitShiftInSlice);

int sliceInitRefPicList(dpb_s *dpb, frmBuf_s *refPicList[]);

int sliceFixRefPicList(dpb_s *dpb, frmBuf_s *refPicList[],

                       int numRefPicActive, int numExistingRefFrames,

                       int width, int height);

void EncodeUnsignedNBits(bitbuffer_s *aBitBuffer, TUint aValue, TUint aLength);

#endif