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_ */ 154
