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 ****************************************************************************** 23 * 24 * @file ihevce_bs_compute_ctb.h 25 * 26 * @brief 27 * This file contains encoder boundary strength related macros and 28 * interface prototypes 29 * 30 * @author 31 * ittiam 32 * 33 ****************************************************************************** 34 */ 35 36 #ifndef _IHEVCE_BS_COMPUTE_CTB_H_ 37 #define _IHEVCE_BS_COMPUTE_CTB_H_ 38 39 /*****************************************************************************/ 40 /* Constant Macros */ 41 /*****************************************************************************/ 42 43 /** 44 ****************************************************************************** 45 * @brief defines the BS for a 32x32 TU in INTRA mode 46 ****************************************************************************** 47 */ 48 #define BS_INTRA_32 0xAAAA 49 50 /** 51 ****************************************************************************** 52 * @brief defines the BS for a 16x16 TU in INTRA mode 53 ****************************************************************************** 54 */ 55 #define BS_INTRA_16 0xAA 56 57 /** 58 ****************************************************************************** 59 * @brief defines the BS for a 8x8 TU in INTRA mode 60 ****************************************************************************** 61 */ 62 #define BS_INTRA_8 0xA 63 64 /** 65 ****************************************************************************** 66 * @brief defines the BS for a 4x4 TU in INTRA mode 67 ****************************************************************************** 68 */ 69 #define BS_INTRA_4 0x2 70 71 /** 72 ****************************************************************************** 73 * @brief defines the invalid BS in global array 74 ****************************************************************************** 75 */ 76 #define BS_INVALID 0xDEAF 77 78 /** 79 ****************************************************************************** 80 * @brief defines the BS for a coded inter 32x32 TU 81 ****************************************************************************** 82 */ 83 #define BS_CBF_32 0x5555 84 85 /** 86 ****************************************************************************** 87 * @brief defines the BS for a coded inter 16x16 TU 88 ****************************************************************************** 89 */ 90 #define BS_CBF_16 0x55 91 92 /** 93 ****************************************************************************** 94 * @brief defines the BS for a coded inter 8x8 TU 95 ****************************************************************************** 96 */ 97 #define BS_CBF_8 0x5 98 99 /** 100 ****************************************************************************** 101 * @brief defines the BS for a coded inter 4x4 TU 102 ****************************************************************************** 103 */ 104 #define BS_CBF_4 0x01 105 106 /*****************************************************************************/ 107 /* Function Macros */ 108 /*****************************************************************************/ 109 110 /** 111 ****************************************************************************** 112 * @brief Macro to set the value in input pointer with given value starting 113 * from ( 32 - (ip_pos<<1) - (edge_size>>1) ). This is for storing in BigEndian 114 * with 2 bits per 4x4. edge_size in pixels & ip_pos in terms of 4x4 115 * (ip_pos<<1) : since 2bits per ip_pos (which is in 4x4) 116 * (edge_size>>1) : since no. of bits of value is (edge_size>>1), edge_size in pix 117 ****************************************************************************** 118 */ 119 #define SET_VALUE_BIG(pu4_bs, value, ip_pos, edge_size) \ 120 { \ 121 *(pu4_bs) = *(pu4_bs) | (value << (32 - (ip_pos << 1) - (edge_size >> 1))); \ 122 } 123 124 /** 125 ****************************************************************************** 126 * @brief extracts 2 bits starting from (30-2*ip_pos) from the value pointed 127 * by pu4_bs. This is for extracting from a BigEndian stored ip. 128 ****************************************************************************** 129 */ 130 #define EXTRACT_VALUE_BIG(pu4_bs, ip_pos) (((*(pu4_bs)) >> (30 - 2 * ip_pos)) & 0x3) 131 132 /*****************************************************************************/ 133 /* Extern Function Declarations */ 134 /*****************************************************************************/ 135 136 void ihevce_bs_init_ctb( 137 deblk_bs_ctb_ctxt_t *ps_deblk_prms, 138 frm_ctb_ctxt_t *ps_frm_ctb_prms, 139 WORD32 ctb_ctr, 140 WORD32 vert_ctr); 141 142 void ihevce_bs_compute_cu( 143 cu_enc_loop_out_t *ps_cu_final, 144 nbr_4x4_t *ps_top_nbr_4x4, 145 nbr_4x4_t *ps_left_nbr_4x4, 146 nbr_4x4_t *ps_curr_nbr_4x4, 147 WORD32 nbr_4x4_left_strd, 148 WORD32 num_4x4_in_ctb, 149 deblk_bs_ctb_ctxt_t *ps_deblk_prms); 150 151 void ihevce_bs_clear_invalid( 152 deblk_bs_ctb_ctxt_t *ps_deblk_prms, 153 WORD32 last_ctb_row_flag, 154 WORD32 last_ctb_in_row_flag, 155 WORD32 last_hz_ctb_wd, 156 WORD32 last_vt_ctb_ht); 157 158 #endif /* _IHEVCE_BS_COMPUTE_CTB_H_ */ 159