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154 lines
5.7 KiB
C
154 lines
5.7 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_MVPRED_H_
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#define _IH264D_MVPRED_H_
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/**
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**************************************************************************
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* \file ih264d_mvpred.h
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*
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* \brief
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* This file contains declarations of functions specific to decoding
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* Motion vector.
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*
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* Detailed_description
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*
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* \date
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* 10-12-2002
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*
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* \author Arvind Raman
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**************************************************************************
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*/
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#include "ih264d_structs.h"
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#include "ih264d_defs.h"
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//#include "structs.h"
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/** Reference number that is not valid */
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#define OUT_OF_RANGE_REF -1
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#define ONE_TO_ONE 0
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#define FRM_TO_FLD 1
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#define FLD_TO_FRM 2
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/**
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**************************************************************************
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* \brief POSITION_IN_MVBANK
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*
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* a: Pointer to the top left subMb of the MB in the MV bank array
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* b: Horiz posn in terms of subMbs
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* c: Vert posn in terms of subMbs
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* d: subMb number
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**************************************************************************
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*/
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#define POSITION_IN_MVBANK(a, b, c, d) (a) + (c) * (d) + (b)
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/**
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**************************************************************************
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* \brief col4x4_t
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*
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* Container to return the information related to the co-located 4x4
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* sub-macroblock.
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**************************************************************************
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*/
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typedef struct
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{
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mv_pred_t *ps_mv; /** Ptr to the Mv bank */
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UWORD16 u2_mb_addr_col; /** Addr of the co-located MB */
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WORD16 i2_mv[2]; /** Mv of the colocated MB */
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WORD8 i1_ref_idx_col; /** Ref idx of the co-located picture */
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UWORD8 u1_col_pic; /** Idx of the colocated pic */
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UWORD8 u1_yM; /** "y" coord of the colocated MB addr */
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UWORD8 u1_vert_mv_scale; /** as defined in sec 8.4.1.2.1 */
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} col4x4_t;
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void ih264d_update_nnz_for_skipmb(dec_struct_t * ps_dec,
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dec_mb_info_t * ps_cur_mb_info,
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UWORD8 u1_entrpy);
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void ih264d_get_motion_vector_predictor(mv_pred_t * ps_result,
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mv_pred_t **ps_mv_pred,
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UWORD8 u1_ref_idx,
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UWORD8 u1_B,
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const UWORD8 *pu1_mv_pred_condition);
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void ih264d_mbaff_mv_pred(mv_pred_t **ps_mv_pred,
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UWORD8 u1_sub_mb_num,
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mv_pred_t *ps_mv_nmb,
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mv_pred_t *ps_mv_ntop,
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dec_struct_t *ps_dec,
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UWORD8 uc_mb_part_width,
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dec_mb_info_t *ps_cur_mb_info,
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UWORD8* pu0_scale);
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void ih264d_non_mbaff_mv_pred(mv_pred_t **ps_mv_pred,
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UWORD8 u1_sub_mb_num,
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mv_pred_t *ps_mv_nmb,
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mv_pred_t *ps_mv_ntop,
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dec_struct_t *ps_dec,
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UWORD8 uc_mb_part_width,
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dec_mb_info_t *ps_cur_mb_info);
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UWORD8 ih264d_mvpred_nonmbaff(dec_struct_t *ps_dec,
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dec_mb_info_t *ps_cur_mb_info,
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mv_pred_t *ps_mv_nmb,
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mv_pred_t *ps_mv_ntop,
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mv_pred_t *ps_mv_final_pred,
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UWORD8 u1_sub_mb_num,
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UWORD8 uc_mb_part_width,
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UWORD8 u1_lx_start,
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UWORD8 u1_lxend,
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UWORD8 u1_mb_mc_mode);
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UWORD8 ih264d_mvpred_nonmbaffB(dec_struct_t *ps_dec,
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dec_mb_info_t *ps_cur_mb_info,
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mv_pred_t *ps_mv_nmb,
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mv_pred_t *ps_mv_ntop,
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mv_pred_t *ps_mv_final_pred,
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UWORD8 u1_sub_mb_num,
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UWORD8 uc_mb_part_width,
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UWORD8 u1_lx_start,
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UWORD8 u1_lxend,
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UWORD8 u1_mb_mc_mode);
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UWORD8 ih264d_mvpred_mbaff(dec_struct_t *ps_dec,
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dec_mb_info_t *ps_cur_mb_info,
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mv_pred_t *ps_mv_nmb,
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mv_pred_t *ps_mv_ntop,
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mv_pred_t *ps_mv_final_pred,
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UWORD8 u1_sub_mb_num,
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UWORD8 uc_mb_part_width,
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UWORD8 u1_lx_start,
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UWORD8 u1_lxend,
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UWORD8 u1_mb_mc_mode);
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void ih264d_rep_mv_colz(dec_struct_t *ps_dec,
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mv_pred_t *ps_mv_pred_src,
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mv_pred_t *ps_mv_pred_dst,
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UWORD8 u1_sub_mb_num,
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UWORD8 u1_colz,
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UWORD8 u1_ht,
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UWORD8 u1_wd);
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#endif /* _IH264D_MVPRED_H_ */
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