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166 lines
7.7 KiB
C
166 lines
7.7 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#ifndef _IH264D_PARSE_CAVLC_H_
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#define _IH264D_PARSE_CAVLC_H_
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/*!
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**************************************************************************
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* \file ih264d_parse_cavlc.h
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*
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* \brief
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* Declaration of UVLC and CAVLC functions
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*
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* \date
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* 18/12/2002
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*
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* \author AI
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**************************************************************************
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*/
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#include "ih264_typedefs.h"
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#include "ih264_macros.h"
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#include "ih264_platform_macros.h"
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#include "ih264d_bitstrm.h"
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#include "ih264d_structs.h"
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#include "ih264d_cabac.h"
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enum cavlcTableNum
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{
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tableTotalZeroOffset,
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tableTotalZero,
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tableRunBefore,
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codeGx,
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chromTab,
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offsetNumVlcTab
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};
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WORD32 ih264d_uvlc(dec_bit_stream_t *ps_bitstrm,
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UWORD32 u4_range,
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UWORD32 *pi_bitstrm_ofst,
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UWORD8 u1_flag,
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UWORD32 u4_bitstrm_ofst,
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UWORD32 *pi_bitstrm_buf);
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UWORD32 ih264d_uev(UWORD32 *pu4_bitstrm_ofst, UWORD32 *pu4_bitstrm_buf);
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WORD32 ih264d_sev(UWORD32 *pu4_bitstrm_ofst, UWORD32 *pu4_bitstrm_buf);
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UWORD32 ih264d_tev_range1(UWORD32 *pu4_bitstrm_ofst,
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UWORD32 *pu4_bitstrm_buf);
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UWORD8 RestOfResidualBlockCavlc(WORD16 *pi2_coeff_block,
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UWORD32 u1_ofst_is_dc_max_coef_scale_fact,
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UWORD32 u4_total_coeff_trail_one,
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dec_bit_stream_t *ps_bitstrm,
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UWORD8 *pu1_invscan);
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WORD32 ih264d_cavlc_4x4res_block_totalcoeff_1( UWORD32 u4_isdc,
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UWORD32 u4_total_coeff_trail_one,
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dec_bit_stream_t *ps_bitstrm);
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WORD32 ih264d_cavlc_4x4res_block_totalcoeff_2to10(UWORD32 u4_isdc,
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UWORD32 u4_total_coeff_trail_one,
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dec_bit_stream_t *ps_bitstrm);
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WORD32 ih264d_cavlc_4x4res_block_totalcoeff_11to16(UWORD32 u4_isdc,
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UWORD32 u4_total_coeff_trail_one,
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dec_bit_stream_t *ps_bitstrm);
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WORD32 ih264d_cavlc_parse4x4coeff_n0to7(WORD16 *pi2_coeff_block,
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UWORD32 u4_isdc,
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WORD32 u4_n,
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dec_struct_t *ps_dec,
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UWORD32 *pu4_total_coeff);
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WORD32 ih264d_cavlc_parse4x4coeff_n8(WORD16 *pi2_coeff_block,
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UWORD32 u4_isdc,
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WORD32 u4_n,
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dec_struct_t *ps_dec,
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UWORD32 *pu4_total_coeff);
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void ih264d_cavlc_parse_chroma_dc(dec_mb_info_t *ps_cur_mb_info,
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WORD16 *pi2_coeff_block,
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dec_bit_stream_t *ps_bitstrm,
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UWORD32 u4_scale_u,
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UWORD32 u4_scale_v,
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WORD32 i4_mb_inter_inc);
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WORD32 ih264d_cavlc_parse_8x8block_none_available(WORD16 *pi2_coeff_block,
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UWORD32 u4_sub_block_strd,
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UWORD32 u4_isdc,
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dec_struct_t * ps_dec,
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UWORD8 *pu1_top_nnz,
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UWORD8 *pu1_left_nnz,
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UWORD8 u1_tran_form8x8,
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UWORD8 u1_mb_field_decodingflag,
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UWORD32 *pu4_csbp);
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WORD32 ih264d_cavlc_parse_8x8block_left_available(WORD16 *pi2_coeff_block,
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UWORD32 u4_sub_block_strd,
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UWORD32 u4_isdc,
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dec_struct_t * ps_dec,
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UWORD8 *pu1_top_nnz,
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UWORD8 *pu1_left_nnz,
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UWORD8 u1_tran_form8x8,
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UWORD8 u1_mb_field_decodingflag,
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UWORD32 *pu4_csbp);
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WORD32 ih264d_cavlc_parse_8x8block_top_available(WORD16 *pi2_coeff_block,
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UWORD32 u4_sub_block_strd,
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UWORD32 u4_isdc,
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dec_struct_t * ps_dec,
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UWORD8 *pu1_top_nnz,
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UWORD8 *pu1_left_nnz,
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UWORD8 u1_tran_form8x8,
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UWORD8 u1_mb_field_decodingflag,
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UWORD32 *pu4_csbp);
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WORD32 ih264d_cavlc_parse_8x8block_both_available(WORD16 *pi2_coeff_block,
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UWORD32 u4_sub_block_strd,
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UWORD32 u4_isdc,
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dec_struct_t * ps_dec,
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UWORD8 *pu1_top_nnz,
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UWORD8 *pu1_left_nnz,
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UWORD8 u1_tran_form8x8,
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UWORD8 u1_mb_field_decodingflag,
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UWORD32 *pu4_csbp);
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WORD8 ResidualBlockChromaDC(WORD16 *pi2_level, dec_bit_stream_t *ps_bitstrm);
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void ih264d_parse_pmb_ref_index_cavlc_range1(UWORD32 u4_num_part,
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dec_bit_stream_t *ps_bitstrm,
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WORD8 *pi1_ref_idx,
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UWORD32 u4_num_ref_idx_active_minus1);
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WORD32 ih264d_parse_pmb_ref_index_cavlc(UWORD32 u4_num_part,
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dec_bit_stream_t *ps_bitstrm,
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WORD8 *pi1_ref_idx,
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UWORD32 u4_num_ref_idx_active_minus1);
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void ih264d_parse_bmb_ref_index_cavlc_range1(UWORD32 u4_num_part,
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dec_bit_stream_t *ps_bitstrm,
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WORD8 *pi1_ref_idx,
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UWORD32 u4_num_ref_idx_active_minus1);
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WORD32 ih264d_parse_bmb_ref_index_cavlc(UWORD32 u4_num_part,
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dec_bit_stream_t *ps_bitstrm,
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WORD8 *pi1_ref_idx,
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UWORD32 u4_num_ref_idx_active_minus1);
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#endif /* _IH264D_PARSE_CAVLC_H_ */
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