| Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2015 The Android Open Source Project |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ***************************************************************************** |
| 18 | * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| 19 | */ |
| 20 | |
| 21 | #ifndef _IH264D_MVPRED_H_ |
| 22 | #define _IH264D_MVPRED_H_ |
| 23 | |
| 24 | /** |
| 25 | ************************************************************************** |
| 26 | * \file ih264d_mvpred.h |
| 27 | * |
| 28 | * \brief |
| 29 | * This file contains declarations of functions specific to decoding |
| 30 | * Motion vector. |
| 31 | * |
| 32 | * Detailed_description |
| 33 | * |
| 34 | * \date |
| 35 | * 10-12-2002 |
| 36 | * |
| 37 | * \author Arvind Raman |
| 38 | ************************************************************************** |
| 39 | */ |
| 40 | #include "ih264d_structs.h" |
| 41 | #include "ih264d_defs.h" |
| 42 | //#include "structs.h" |
| 43 | |
| 44 | /** Reference number that is not valid */ |
| 45 | #define OUT_OF_RANGE_REF -1 |
| 46 | |
| 47 | #define ONE_TO_ONE 0 |
| 48 | #define FRM_TO_FLD 1 |
| 49 | #define FLD_TO_FRM 2 |
| 50 | |
| 51 | /** |
| 52 | ************************************************************************** |
| 53 | * \brief POSITION_IN_MVBANK |
| 54 | * |
| 55 | * a: Pointer to the top left subMb of the MB in the MV bank array |
| 56 | * b: Horiz posn in terms of subMbs |
| 57 | * c: Vert posn in terms of subMbs |
| 58 | * d: subMb number |
| 59 | ************************************************************************** |
| 60 | */ |
| 61 | #define POSITION_IN_MVBANK(a, b, c, d) (a) + (c) * (d) + (b) |
| 62 | |
| 63 | |
| 64 | |
| 65 | /** |
| 66 | ************************************************************************** |
| 67 | * \brief col4x4_t |
| 68 | * |
| 69 | * Container to return the information related to the co-located 4x4 |
| 70 | * sub-macroblock. |
| 71 | ************************************************************************** |
| 72 | */ |
| 73 | typedef struct |
| 74 | { |
| 75 | mv_pred_t *ps_mv; /** Ptr to the Mv bank */ |
| 76 | UWORD16 u2_mb_addr_col; /** Addr of the co-located MB */ |
| 77 | WORD16 i2_mv[2]; /** Mv of the colocated MB */ |
| 78 | WORD8 i1_ref_idx_col; /** Ref idx of the co-located picture */ |
| 79 | UWORD8 u1_col_pic; /** Idx of the colocated pic */ |
| 80 | UWORD8 u1_yM; /** "y" coord of the colocated MB addr */ |
| 81 | UWORD8 u1_vert_mv_scale; /** as defined in sec 8.4.1.2.1 */ |
| 82 | } col4x4_t; |
| 83 | |
| 84 | |
| 85 | |
| 86 | |
| 87 | |
| 88 | void ih264d_update_nnz_for_skipmb(dec_struct_t * ps_dec, |
| 89 | dec_mb_info_t * ps_cur_mb_info, |
| 90 | UWORD8 u1_entrpy); |
| 91 | |
| 92 | void ih264d_get_motion_vector_predictor(mv_pred_t * ps_result, |
| 93 | mv_pred_t **ps_mv_pred, |
| 94 | UWORD8 u1_ref_idx, |
| 95 | UWORD8 u1_B, |
| 96 | const UWORD8 *pu1_mv_pred_condition); |
| 97 | void ih264d_mbaff_mv_pred(mv_pred_t **ps_mv_pred, |
| 98 | UWORD8 u1_sub_mb_num, |
| 99 | mv_pred_t *ps_mv_nmb, |
| 100 | mv_pred_t *ps_mv_ntop, |
| 101 | dec_struct_t *ps_dec, |
| 102 | UWORD8 uc_mb_part_width, |
| 103 | dec_mb_info_t *ps_cur_mb_info, |
| 104 | UWORD8* pu0_scale); |
| 105 | void ih264d_non_mbaff_mv_pred(mv_pred_t **ps_mv_pred, |
| 106 | UWORD8 u1_sub_mb_num, |
| 107 | mv_pred_t *ps_mv_nmb, |
| 108 | mv_pred_t *ps_mv_ntop, |
| 109 | dec_struct_t *ps_dec, |
| 110 | UWORD8 uc_mb_part_width, |
| 111 | dec_mb_info_t *ps_cur_mb_info); |
| 112 | UWORD8 ih264d_mvpred_nonmbaff(dec_struct_t *ps_dec, |
| 113 | dec_mb_info_t *ps_cur_mb_info, |
| 114 | mv_pred_t *ps_mv_nmb, |
| 115 | mv_pred_t *ps_mv_ntop, |
| 116 | mv_pred_t *ps_mv_final_pred, |
| 117 | UWORD8 u1_sub_mb_num, |
| 118 | UWORD8 uc_mb_part_width, |
| 119 | UWORD8 u1_lx_start, |
| 120 | UWORD8 u1_lxend, |
| 121 | UWORD8 u1_mb_mc_mode); |
| 122 | |
| 123 | UWORD8 ih264d_mvpred_nonmbaffB(dec_struct_t *ps_dec, |
| 124 | dec_mb_info_t *ps_cur_mb_info, |
| 125 | mv_pred_t *ps_mv_nmb, |
| 126 | mv_pred_t *ps_mv_ntop, |
| 127 | mv_pred_t *ps_mv_final_pred, |
| 128 | UWORD8 u1_sub_mb_num, |
| 129 | UWORD8 uc_mb_part_width, |
| 130 | UWORD8 u1_lx_start, |
| 131 | UWORD8 u1_lxend, |
| 132 | UWORD8 u1_mb_mc_mode); |
| 133 | |
| 134 | UWORD8 ih264d_mvpred_mbaff(dec_struct_t *ps_dec, |
| 135 | dec_mb_info_t *ps_cur_mb_info, |
| 136 | mv_pred_t *ps_mv_nmb, |
| 137 | mv_pred_t *ps_mv_ntop, |
| 138 | mv_pred_t *ps_mv_final_pred, |
| 139 | UWORD8 u1_sub_mb_num, |
| 140 | UWORD8 uc_mb_part_width, |
| 141 | UWORD8 u1_lx_start, |
| 142 | UWORD8 u1_lxend, |
| 143 | UWORD8 u1_mb_mc_mode); |
| 144 | |
| 145 | void ih264d_rep_mv_colz(dec_struct_t *ps_dec, |
| 146 | mv_pred_t *ps_mv_pred_src, |
| 147 | mv_pred_t *ps_mv_pred_dst, |
| 148 | UWORD8 u1_sub_mb_num, |
| 149 | UWORD8 u1_colz, |
| 150 | UWORD8 u1_ht, |
| 151 | UWORD8 u1_wd); |
| 152 | |
| 153 | #endif /* _IH264D_MVPRED_H_ */ |