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 | ******************************************************************************* |
| 22 | * @file |
| 23 | * ih264e_me.h |
| 24 | * |
| 25 | * @brief |
| 26 | * |
| 27 | * |
| 28 | * @author |
| 29 | * Ittiam |
| 30 | * |
| 31 | * @par List of Functions: |
| 32 | * - |
| 33 | * |
| 34 | * @remarks |
| 35 | * None |
| 36 | * |
| 37 | ******************************************************************************* |
| 38 | */ |
| 39 | |
| 40 | #ifndef _IME_STRUCTS_H_ |
| 41 | #define _IME_STRUCTS_H_ |
| 42 | |
| 43 | /** |
| 44 | * Motion vector |
| 45 | */ |
| 46 | typedef struct |
| 47 | { |
| 48 | /** |
| 49 | * Horizontal Motion Vector |
| 50 | */ |
| 51 | WORD16 i2_mvx; |
| 52 | |
| 53 | /** |
| 54 | * Vertical Motion Vector |
| 55 | */ |
| 56 | WORD16 i2_mvy; |
| 57 | } ime_mv_t; |
| 58 | |
| 59 | |
| 60 | /** |
| 61 | ************************************************************************** |
| 62 | * @brief mb_part_ctxt |
| 63 | * |
| 64 | * Structure that would hold the information for individual MB partitions |
| 65 | * gathered during the full pel ME stage |
| 66 | ************************************************************************** |
| 67 | */ |
| 68 | typedef struct |
| 69 | { |
| 70 | /** |
| 71 | * best mvs |
| 72 | */ |
| 73 | ime_mv_t s_mv_curr; |
| 74 | |
| 75 | /** |
| 76 | * mv predictor |
| 77 | */ |
| 78 | ime_mv_t s_mv_pred; |
| 79 | |
| 80 | /** |
| 81 | * SAD associated with the MB partition |
| 82 | */ |
| 83 | WORD32 i4_mb_distortion; |
| 84 | |
| 85 | /** |
| 86 | * cost for the MB partition |
| 87 | */ |
| 88 | WORD32 i4_mb_cost; |
| 89 | |
| 90 | /** |
| 91 | * Search position for least cost among the list of candidates |
| 92 | */ |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 93 | WORD32 i4_srch_pos_idx; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 94 | |
| 95 | /** |
| 96 | * Search position for least cost among the list of candidates |
| 97 | */ |
| 98 | UWORD32 u4_exit; |
| 99 | |
| 100 | /* |
| 101 | * Buffer corresponding to best half pel cost |
| 102 | */ |
| 103 | UWORD8 *pu1_best_hpel_buf; |
| 104 | |
| 105 | } mb_part_ctxt; |
| 106 | |
| 107 | |
| 108 | /** |
| 109 | ************************************************************************** |
| 110 | * @brief me_ctxt_t |
| 111 | * |
| 112 | * Structure encapsulating the parameters used in the motion estimation |
| 113 | * context |
| 114 | ************************************************************************** |
| 115 | */ |
| 116 | typedef struct |
| 117 | { |
| 118 | /** |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 119 | * Ref pointer to current MB luma for each ref list |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 120 | */ |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 121 | UWORD8 *apu1_ref_buf_luma[MAX_NUM_REFLIST]; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 122 | |
| 123 | /** |
| 124 | * Src pointer to current MB luma |
| 125 | */ |
| 126 | UWORD8 *pu1_src_buf_luma; |
| 127 | |
| 128 | /** |
| 129 | * source stride |
| 130 | * (strides for luma and chroma are the same) |
| 131 | */ |
| 132 | WORD32 i4_src_strd; |
| 133 | |
| 134 | /** |
| 135 | * recon stride |
| 136 | * (strides for luma and chroma are the same) |
| 137 | */ |
| 138 | WORD32 i4_rec_strd; |
| 139 | |
| 140 | /** |
| 141 | * Offset for half pel x plane from the pic buf |
| 142 | */ |
| 143 | UWORD32 u4_half_x_offset; |
| 144 | |
| 145 | /** |
| 146 | * Offset for half pel y plane from half x plane |
| 147 | */ |
| 148 | UWORD32 u4_half_y_offset; |
| 149 | |
| 150 | /** |
| 151 | * Offset for half pel xy plane from half y plane |
| 152 | */ |
| 153 | UWORD32 u4_half_xy_offset; |
| 154 | |
| 155 | /** |
| 156 | * Search range in the X, Y axis in terms of pixels |
| 157 | */ |
| 158 | WORD32 ai2_srch_boundaries[2]; |
| 159 | |
| 160 | /** |
| 161 | * Search range in the north direction in terms of pixels |
| 162 | */ |
| 163 | WORD32 i4_srch_range_n; |
| 164 | |
| 165 | /** |
| 166 | * Search range in the south direction in terms of pixels |
| 167 | */ |
| 168 | WORD32 i4_srch_range_s; |
| 169 | |
| 170 | /** |
| 171 | * Search range in the east direction in terms of pixels |
| 172 | */ |
| 173 | WORD32 i4_srch_range_e; |
| 174 | |
| 175 | /** |
| 176 | * Search range in the west direction in terms of pixels |
| 177 | */ |
| 178 | WORD32 i4_srch_range_w; |
| 179 | |
| 180 | /** |
| 181 | * left mb motion vector |
| 182 | */ |
| 183 | ime_mv_t s_left_mv; |
| 184 | |
| 185 | /** |
| 186 | * top left mb motion vector |
| 187 | */ |
| 188 | ime_mv_t s_top_left_mv; |
| 189 | |
| 190 | /** |
| 191 | * Number of valid candidates for the Initial search position |
| 192 | */ |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 193 | UWORD32 u4_num_candidates[MAX_NUM_REFLIST + 1]; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 194 | |
| 195 | /** |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 196 | * Motion vector predictors derived from neighboring |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 197 | * blocks for each of the six block partitions |
| 198 | */ |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 199 | ime_mv_t as_mv_init_search[MAX_NUM_REFLIST + 1][6]; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 200 | |
| 201 | /** |
| 202 | * mv bits |
| 203 | */ |
| 204 | UWORD8 *pu1_mv_bits; |
| 205 | |
| 206 | /** |
| 207 | * lambda (lagrange multiplier for cost computation) |
| 208 | */ |
| 209 | UWORD32 u4_lambda_motion; |
| 210 | |
| 211 | /** |
| 212 | * enabled fast sad computation |
| 213 | */ |
| 214 | UWORD32 u4_enable_fast_sad; |
| 215 | |
| 216 | /* |
| 217 | * Enable SKIP block prediction based on SATQD |
| 218 | */ |
| 219 | UWORD32 u4_enable_stat_sad; |
| 220 | |
| 221 | /* |
| 222 | * Minimum distortion to search for |
| 223 | * */ |
| 224 | WORD32 i4_min_sad; |
| 225 | |
| 226 | /* |
| 227 | * Signal that minimum sad has been reached in ME |
| 228 | * */ |
| 229 | UWORD32 u4_min_sad_reached; |
| 230 | |
| 231 | /** |
| 232 | * Flag to enable/disbale half pel motion estimation |
| 233 | */ |
| 234 | UWORD32 u4_enable_hpel; |
| 235 | |
| 236 | /** |
| 237 | * Diamond search Iteration Max Cnt |
| 238 | */ |
| 239 | UWORD32 u4_num_layers; |
| 240 | |
| 241 | /** |
| 242 | * encoder me speed |
| 243 | */ |
| 244 | UWORD32 u4_me_speed_preset; |
| 245 | |
| 246 | UWORD32 u4_left_is_intra; |
| 247 | |
| 248 | UWORD32 u4_left_is_skip; |
| 249 | |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 250 | /* skip_type can be PREDL0, PREDL1 or BIPRED */ |
| 251 | WORD32 i4_skip_type; |
| 252 | |
| 253 | /* Biasing given for skip prediction */ |
| 254 | WORD32 i4_skip_bias[2]; |
| 255 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 256 | /** |
| 257 | * Structure to store the MB partition info |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 258 | * We need 1(L0)+1(L1)+1(bi) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 259 | */ |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 260 | mb_part_ctxt as_mb_part[MAX_NUM_REFLIST + 1]; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 261 | /* |
| 262 | * Threshold to compare the sad with |
| 263 | */ |
| 264 | UWORD16 *pu2_sad_thrsh; |
| 265 | |
| 266 | /** |
| 267 | * fn ptrs for compute sad routines |
| 268 | */ |
| 269 | ime_compute_sad_ft *pf_ime_compute_sad_16x16[2]; |
| 270 | ime_compute_sad_ft *pf_ime_compute_sad_16x8; |
| 271 | ime_compute_sad4_diamond *pf_ime_compute_sad4_diamond; |
| 272 | ime_compute_sad3_diamond *pf_ime_compute_sad3_diamond; |
| 273 | ime_compute_sad2_diamond *pf_ime_compute_sad2_diamond; |
| 274 | ime_sub_pel_compute_sad_16x16_ft *pf_ime_sub_pel_compute_sad_16x16; |
| 275 | |
| 276 | /* |
| 277 | * Function poitners for SATQD |
| 278 | */ |
| 279 | ime_compute_sad_stat *pf_ime_compute_sad_stat_luma_16x16; |
| 280 | |
| 281 | /** |
| 282 | * Qp |
| 283 | */ |
| 284 | UWORD8 u1_mb_qp; |
| 285 | |
| 286 | /* |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 287 | * Buffers for holding subpel and bipred temp buffers |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 288 | */ |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 289 | UWORD8 *apu1_subpel_buffs[SUBPEL_BUFF_CNT]; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 290 | |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 291 | WORD32 u4_subpel_buf_strd; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 292 | |
| 293 | /* |
| 294 | * Buffers to store the best halfpel plane* |
| 295 | */ |
| 296 | UWORD8 *pu1_hpel_buf; |
| 297 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 298 | } me_ctxt_t; |
| 299 | |
| 300 | |
| 301 | #endif // _IME_STRUCTS_H_ |
| 302 | |