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/******************************************************************************
*
* 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_PARSE_CAVLC_H_
#define _IH264D_PARSE_CAVLC_H_
/*!
**************************************************************************
* \file ih264d_parse_cavlc.h
*
* \brief
* Declaration of UVLC and CAVLC functions
*
* \date
* 18/12/2002
*
* \author AI
**************************************************************************
*/
#include "ih264_typedefs.h"
#include "ih264_macros.h"
#include "ih264_platform_macros.h"
#include "ih264d_bitstrm.h"
#include "ih264d_structs.h"
#include "ih264d_cabac.h"
enum cavlcTableNum
{
tableTotalZeroOffset,
tableTotalZero,
tableRunBefore,
codeGx,
chromTab,
offsetNumVlcTab
};
WORD32 ih264d_uvlc(dec_bit_stream_t *ps_bitstrm,
UWORD32 u4_range,
UWORD32 *pi_bitstrm_ofst,
UWORD8 u1_flag,
UWORD32 u4_bitstrm_ofst,
UWORD32 *pi_bitstrm_buf);
UWORD32 ih264d_uev(UWORD32 *pu4_bitstrm_ofst, UWORD32 *pu4_bitstrm_buf);
WORD32 ih264d_sev(UWORD32 *pu4_bitstrm_ofst, UWORD32 *pu4_bitstrm_buf);
UWORD32 ih264d_tev_range1(UWORD32 *pu4_bitstrm_ofst,
UWORD32 *pu4_bitstrm_buf);
UWORD8 RestOfResidualBlockCavlc(WORD16 *pi2_coeff_block,
UWORD32 u1_ofst_is_dc_max_coef_scale_fact,
UWORD32 u4_total_coeff_trail_one,
dec_bit_stream_t *ps_bitstrm,
UWORD8 *pu1_invscan);
WORD32 ih264d_cavlc_4x4res_block_totalcoeff_1( UWORD32 u4_isdc,
UWORD32 u4_total_coeff_trail_one,
dec_bit_stream_t *ps_bitstrm);
WORD32 ih264d_cavlc_4x4res_block_totalcoeff_2to10(UWORD32 u4_isdc,
UWORD32 u4_total_coeff_trail_one,
dec_bit_stream_t *ps_bitstrm);
WORD32 ih264d_cavlc_4x4res_block_totalcoeff_11to16(UWORD32 u4_isdc,
UWORD32 u4_total_coeff_trail_one,
dec_bit_stream_t *ps_bitstrm);
WORD32 ih264d_cavlc_parse4x4coeff_n0to7(WORD16 *pi2_coeff_block,
UWORD32 u4_isdc,
WORD32 u4_n,
dec_struct_t *ps_dec,
UWORD32 *pu4_total_coeff);
WORD32 ih264d_cavlc_parse4x4coeff_n8(WORD16 *pi2_coeff_block,
UWORD32 u4_isdc,
WORD32 u4_n,
dec_struct_t *ps_dec,
UWORD32 *pu4_total_coeff);
void ih264d_cavlc_parse_chroma_dc(dec_mb_info_t *ps_cur_mb_info,
WORD16 *pi2_coeff_block,
dec_bit_stream_t *ps_bitstrm,
UWORD32 u4_scale_u,
UWORD32 u4_scale_v,
WORD32 i4_mb_inter_inc);
WORD32 ih264d_cavlc_parse_8x8block_none_available(WORD16 *pi2_coeff_block,
UWORD32 u4_sub_block_strd,
UWORD32 u4_isdc,
dec_struct_t * ps_dec,
UWORD8 *pu1_top_nnz,
UWORD8 *pu1_left_nnz,
UWORD8 u1_tran_form8x8,
UWORD8 u1_mb_field_decodingflag,
UWORD32 *pu4_csbp);
WORD32 ih264d_cavlc_parse_8x8block_left_available(WORD16 *pi2_coeff_block,
UWORD32 u4_sub_block_strd,
UWORD32 u4_isdc,
dec_struct_t * ps_dec,
UWORD8 *pu1_top_nnz,
UWORD8 *pu1_left_nnz,
UWORD8 u1_tran_form8x8,
UWORD8 u1_mb_field_decodingflag,
UWORD32 *pu4_csbp);
WORD32 ih264d_cavlc_parse_8x8block_top_available(WORD16 *pi2_coeff_block,
UWORD32 u4_sub_block_strd,
UWORD32 u4_isdc,
dec_struct_t * ps_dec,
UWORD8 *pu1_top_nnz,
UWORD8 *pu1_left_nnz,
UWORD8 u1_tran_form8x8,
UWORD8 u1_mb_field_decodingflag,
UWORD32 *pu4_csbp);
WORD32 ih264d_cavlc_parse_8x8block_both_available(WORD16 *pi2_coeff_block,
UWORD32 u4_sub_block_strd,
UWORD32 u4_isdc,
dec_struct_t * ps_dec,
UWORD8 *pu1_top_nnz,
UWORD8 *pu1_left_nnz,
UWORD8 u1_tran_form8x8,
UWORD8 u1_mb_field_decodingflag,
UWORD32 *pu4_csbp);
WORD8 ResidualBlockChromaDC(WORD16 *pi2_level, dec_bit_stream_t *ps_bitstrm);
void ih264d_parse_pmb_ref_index_cavlc_range1(UWORD32 u4_num_part,
dec_bit_stream_t *ps_bitstrm,
WORD8 *pi1_ref_idx,
UWORD32 u4_num_ref_idx_active_minus1);
WORD32 ih264d_parse_pmb_ref_index_cavlc(UWORD32 u4_num_part,
dec_bit_stream_t *ps_bitstrm,
WORD8 *pi1_ref_idx,
UWORD32 u4_num_ref_idx_active_minus1);
void ih264d_parse_bmb_ref_index_cavlc_range1(UWORD32 u4_num_part,
dec_bit_stream_t *ps_bitstrm,
WORD8 *pi1_ref_idx,
UWORD32 u4_num_ref_idx_active_minus1);
WORD32 ih264d_parse_bmb_ref_index_cavlc(UWORD32 u4_num_part,
dec_bit_stream_t *ps_bitstrm,
WORD8 *pi1_ref_idx,
UWORD32 u4_num_ref_idx_active_minus1);
#endif /* _IH264D_PARSE_CAVLC_H_ */
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