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