1 /****************************************************************************** 2 * 3 * Copyright (C) 2018 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 ****************************************************************************** 22 * \file ihevce_mv_pred_merge.h 23 * 24 * \brief 25 * This file contains function prototypes of MV Merge candidates list 26 * derivation functions and corresponding structure and macrso definations 27 * 28 * \date 29 * 18/09/2012 30 * 31 * \author 32 * Ittiam 33 * 34 ****************************************************************************** 35 */ 36 37 #ifndef _IHEVCE_MV_PRED_MERGE_H_ 38 #define _IHEVCE_MV_PRED_MERGE_H_ 39 40 /*****************************************************************************/ 41 /* Constant Macros */ 42 /*****************************************************************************/ 43 #define MAX_NUM_MERGE_CAND MAX_MERGE_CANDIDATES 44 #define MAX_NUM_MV_NBR 5 45 46 /*****************************************************************************/ 47 /* Function Macros */ 48 /*****************************************************************************/ 49 50 /*****************************************************************************/ 51 /* Typedefs */ 52 /*****************************************************************************/ 53 54 /*****************************************************************************/ 55 /* Enums */ 56 /*****************************************************************************/ 57 typedef enum 58 { 59 NBR_A0 = 0, 60 NBR_A1 = 1, 61 NBR_B0 = 2, 62 NBR_B1 = 3, 63 NBR_B2 = 4, 64 65 /* should be last */ 66 MAX_NUM_NBRS 67 } MV_MERGE_NBRS_T; 68 69 /*****************************************************************************/ 70 /* Structure */ 71 /*****************************************************************************/ 72 73 typedef struct 74 { 75 /* Merge candidate motion vectors and refernce idx */ 76 pu_mv_t mv; 77 78 /* Pred_l0 mode for the candidate */ 79 UWORD8 u1_pred_flag_l0; 80 81 /* Pred_l1 mode for the candidate */ 82 UWORD8 u1_pred_flag_l1; 83 84 } merge_cand_list_t; 85 86 /*****************************************************************************/ 87 /* Extern Variable Declarations */ 88 /*****************************************************************************/ 89 90 /*****************************************************************************/ 91 /* Extern Function Declarations */ 92 /*****************************************************************************/ 93 94 void ihevce_collocated_mvp( 95 mv_pred_ctxt_t *ps_mv_ctxt, 96 pu_t *ps_pu, 97 mv_t *ps_mv_col, 98 WORD32 *pu4_avail_col_flag, 99 WORD32 use_pu_ref_idx, 100 WORD32 x_col, 101 WORD32 y_col); 102 103 WORD32 ihevce_mv_pred_merge( 104 mv_pred_ctxt_t *ps_ctxt, 105 nbr_4x4_t *ps_top_nbr_4x4, 106 nbr_4x4_t *ps_left_nbr_4x4, 107 nbr_4x4_t *ps_top_left_nbr_4x4, 108 WORD32 left_nbr_4x4_strd, 109 nbr_avail_flags_t *ps_avail_flags, 110 pu_mv_t *ps_col_mv, 111 pu_t *ps_pu, 112 PART_SIZE_E part_mode, 113 WORD32 part_idx, 114 WORD32 single_mcl_flag, 115 merge_cand_list_t *ps_merge_cand_list, 116 UWORD8 *pu1_is_top_used); 117 118 #endif /* _IHEVCE_MV_PRED_MERGE_H_ */ 119