xref: /aosp_15_r20/external/libavc/decoder/ih264d_tables.h (revision 495ae853bb871d1e5a258cb02c2cc13cde8ddb9a)

/******************************************************************************
 *
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *****************************************************************************
 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/

#ifndef  _IH264D_TABLES_H_
#define  _IH264D_TABLES_H_

/**
 **************************************************************************
 * \file ih264d_tables.h
 *
 * \brief
 *    Declaration of all tables used by h264 decoder
 *
 * \date
 *    17/09/2004
 *
 * \author  MA
 **************************************************************************
 */
#include "ih264_typedefs.h"
#include "ih264_macros.h"
#include "ih264_platform_macros.h"
#include "ih264d_cabac.h"

/*Deblocking Table declaration*/
extern const UWORD8 gau1_ih264d_qp_scale_cr[];
extern const UWORD8 gau1_ih264d_alpha_table[];
extern const UWORD8 gau1_ih264d_clip_table_deblock[];
extern const UWORD8 gau1_ih264d_beta_table[];
extern const UWORD8 gau1_ih264d_clip_table[][4];

/*Parsing Table declaration*/
extern const UWORD8 gau1_ih264d_cbp_tab[6];
extern const UWORD32 gau4_ih264d_packed_bs2[32];
extern const UWORD16 gau2_ih264d_4x4_v2h_reorder[16];
extern const UWORD8 gau1_ih264d_subblk_offset[16];
extern const UWORD8 gau1_ih264d_cbp_table[48][2];

/*Decode Slice Table declaration*/
extern const UWORD8 gau1_ih264d_inv_scan[16];
extern const UWORD8 gau1_ih264d_inv_scan_fld[16];
extern const UWORD8 gau1_ih264d_dequant_matrix[6][16];
extern const UWORD16 gau2_ih264_iquant_scale_4x4[6][16];
extern const UWORD8 gau1_ih264d_dequant8x8_zigzag_cavlc[4][6][16];
extern const UWORD16 gau1_ih264d_dequant8x8_cavlc[6][64];

extern const UWORD8 gau1_ih264d_inv_scan_prog8x8_cavlc[4][16];
extern const UWORD8 gau1_ih264d_inv_scan_int8x8_cavlc[4][16];
extern const UWORD8 gau1_ih264d_inv_scan_prog8x8_cabac[64];
extern const UWORD8 gau1_ih264d_inv_scan_int8x8_cabac[64];

extern const UWORD8 gau1_ih264d_lastcoeff_context_inc[64];
extern const UWORD8 gau1_ih264d_sigcoeff_context_inc_frame[64];
extern const UWORD8 gau1_ih264d_sigcoeff_context_inc_field[64];

/* scaling related table declaration */
extern const WORD16 gai2_ih264d_default_intra4x4[16];
extern const WORD16 gai2_ih264d_default_inter4x4[16];
extern const WORD16 gai2_ih264d_default_intra8x8[64];
extern const WORD16 gai2_ih264d_default_inter8x8[64];
extern const WORD16 gai2_ih264d_flat_4x4[16];
extern const WORD16 gai2_ih264d_flat_8x8[64];

/*Decode MV Table declaration*/
extern const WORD8 gau1_ih264d_mv_pred_condition[];

/** Number of subMbs for the 8x8 prediction mode */
extern const UWORD8 gau1_ih264d_num_submb_part[];

/** Width of the 8x8 prediction mode in terms of subMbs */
extern const UWORD8 gau1_ih264d_submb_partw[];

/** Height of the 8x8 prediction mode in terms of subMbs */
extern const UWORD8 gau1_ih264d_submb_parth[];

/** Number of MB partitions for the MB prediction mode */
extern const UWORD8 gau1_ih264d_num_mb_part[];

/** Width of the MB partition in terms of subMbs */
extern const UWORD8 gau1_ih264d_mb_partw[];

/** Height of the MB partition in terms of subMbs */
extern const UWORD8 gau1_ih264d_mb_parth[];

/** MB partition information is packed into a UWORD32 {0,number,width,height} */
extern const UWORD32 gau4_ih264d_submb_part[];

extern const UWORD8 gau1_ih264d_submb_indx_mod[];

/** This table is used to assign CBPs to Inter MBs. */
extern const UWORD8 gau1_ih264d_cbp_inter[];

/** Motion comp modes for P followed by B,
 0 to 4   : P Mbs
 5 to 27  : B Mbs
 28 to 30 : DIRECT */
extern const UWORD8 gau1_ih264d_mb_mc_mode[];

extern const UWORD8 gau1_ih264d_submb_mc_mode[];

/** Sub MB pred modes for B slice */
extern const UWORD8 gau1_ih264d_submb_pred_modes[];

/** MB pred modes for P and B slice */
extern const WORD8 gau1_ih264d_mb_pred_modes[2][32];

/*Decode CAVLC Table declaration*/
extern const UWORD8 gau1_ih264d_table_total_zero_2to10[9][64];
extern const UWORD8 gau1_ih264d_table_total_zero_11to15[5][16];
extern const UWORD8 gau1_ih264d_table_run_before[64];
extern const UWORD16 gau2_ih264d_code_gx[304];
extern const UWORD8 gau1_ih264d_cav_chromdc_vld[256];
extern const UWORD16 gau2_ih264d_offset_num_vlc_tab[9];
extern const UWORD8 gau1_ih264d_total_coeff_fn_ptr_offset[16];
extern const WORD16 gai2_ih264d_trailing_one_level[14][3];

/*Decode CABAC Table declaration*/
extern const UWORD32 gau4_ih264d_cabac_table[128][4];

/****************************************************************************/
/*             For error detection in intra pred4x4 modes                   */
/****************************************************************************/
extern const UWORD8 gau1_ih264d_intra_pred_err_code[9];

/*****************************************************************************/
/* Cabac tables for context initialization depending upon type of Slice,     */
/* cabac init Idc value and Qp.                                              */
/*****************************************************************************/
extern const UWORD8 gau1_ih264d_cabac_ctxt_init_table[NUM_CAB_INIT_IDC_PLUS_ONE][QP_RANGE][NUM_CABAC_CTXTS];

/*****************************************************************************/
/* SEI tables for field usge and which field first                           */
/*****************************************************************************/
extern const UWORD8 gau1_ih264d_sei_fld_usage[9][3];


extern const UWORD8 gau1_ih264d_top_left_mb_part_indx_mod[];
extern const UWORD8 gau1_ih264d_submb_indx_mod_sp_drct[];

#endif /*TABLES_H*/