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 ih264d_utils.c |
| 23 | * |
| 24 | * \brief |
| 25 | * Contains routines that handle of start and end of pic processing |
| 26 | * |
| 27 | * \date |
| 28 | * 19/12/2002 |
| 29 | * |
| 30 | * \author AI |
| 31 | ************************************************************************** |
| 32 | */ |
| 33 | |
| 34 | #include <string.h> |
| 35 | #include "ih264_typedefs.h" |
| 36 | #include "ithread.h" |
| 37 | #include "ih264d_deblocking.h" |
| 38 | #include "ih264d_parse_slice.h" |
| 39 | #include "ih264d_parse_cavlc.h" |
| 40 | #include "ih264d_dpb_manager.h" |
| 41 | #include "ih264d_defs.h" |
| 42 | #include "ih264d_structs.h" |
| 43 | #include "ih264d_mem_request.h" |
| 44 | #include "ih264_typedefs.h" |
| 45 | #include "ih264_macros.h" |
| 46 | #include "ih264_platform_macros.h" |
| 47 | #include "ih264d_tables.h" |
| 48 | #include "ih264d_debug.h" |
| 49 | #include "ih264d_mb_utils.h" |
| 50 | #include "ih264d_error_handler.h" |
| 51 | #include "ih264d_dpb_manager.h" |
| 52 | #include "ih264d_utils.h" |
| 53 | #include "ih264d_defs.h" |
| 54 | #include "ih264d_tables.h" |
| 55 | #include "ih264d_inter_pred.h" |
| 56 | #include "ih264d_dpb_manager.h" |
| 57 | #include "iv.h" |
| 58 | #include "ivd.h" |
| 59 | #include "ih264d_format_conv.h" |
| 60 | #include "ih264_error.h" |
| 61 | #include "ih264_disp_mgr.h" |
| 62 | #include "ih264_buf_mgr.h" |
| 63 | #include "ih264d_utils.h" |
| 64 | |
| 65 | /*! |
| 66 | ************************************************************************** |
| 67 | * \if Function name : ih264d_is_end_of_pic \endif |
| 68 | * |
| 69 | * \brief |
| 70 | * Determines whether current slice is first slice of a new picture as |
| 71 | * defined in 7.4.1.2.4 of 14496-10. |
| 72 | * |
| 73 | * \return |
| 74 | * Return 1 if current slice is first slice of a new picture |
| 75 | * Otherwise it returns 0 |
| 76 | ************************************************************************** |
| 77 | */ |
| 78 | UWORD8 ih264d_is_end_of_pic(UWORD16 u2_frame_num, |
| 79 | UWORD8 u1_nal_ref_idc, |
| 80 | pocstruct_t *ps_cur_poc, |
| 81 | pocstruct_t *ps_prev_poc, |
| 82 | dec_slice_params_t * ps_prev_slice, /*!< Previous slice parameters*/ |
| 83 | UWORD8 u1_pic_order_cnt_type, |
| 84 | UWORD8 u1_nal_unit_type, |
| 85 | UWORD32 u4_idr_pic_id, |
| 86 | UWORD8 u1_field_pic_flag, |
| 87 | UWORD8 u1_bottom_field_flag) |
| 88 | { |
| 89 | WORD8 i1_is_end_of_pic; |
| 90 | WORD8 a, b, c, d, e, f, g, h; |
| 91 | |
| 92 | a = b = c = d = e = f = g = h = 0; |
| 93 | a = (ps_prev_slice->u2_frame_num != u2_frame_num); |
| 94 | b = (ps_prev_slice->u1_field_pic_flag != u1_field_pic_flag); |
| 95 | if(u1_field_pic_flag && ps_prev_slice->u1_field_pic_flag) |
| 96 | c = (u1_bottom_field_flag != ps_prev_slice->u1_bottom_field_flag); |
| 97 | d = |
| 98 | (u1_nal_ref_idc == 0 && ps_prev_slice->u1_nal_ref_idc != 0) |
| 99 | || (u1_nal_ref_idc != 0 |
| 100 | && ps_prev_slice->u1_nal_ref_idc |
| 101 | == 0); |
| 102 | if(!a) |
| 103 | { |
| 104 | if((u1_pic_order_cnt_type == 0) |
| 105 | && (ps_prev_slice->u1_pic_order_cnt_type == 0)) |
| 106 | { |
| 107 | e = |
| 108 | ((ps_cur_poc->i4_pic_order_cnt_lsb |
| 109 | != ps_prev_poc->i4_pic_order_cnt_lsb) |
| 110 | || (ps_cur_poc->i4_delta_pic_order_cnt_bottom |
| 111 | != ps_prev_poc->i4_delta_pic_order_cnt_bottom)); |
| 112 | } |
| 113 | |
| 114 | if((u1_pic_order_cnt_type == 1) |
| 115 | && (ps_prev_slice->u1_pic_order_cnt_type == 1)) |
| 116 | { |
| 117 | f = |
| 118 | ((ps_cur_poc->i4_delta_pic_order_cnt[0] |
| 119 | != ps_prev_poc->i4_delta_pic_order_cnt[0]) |
| 120 | || (ps_cur_poc->i4_delta_pic_order_cnt[1] |
| 121 | != ps_prev_poc->i4_delta_pic_order_cnt[1])); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | if((u1_nal_unit_type == IDR_SLICE_NAL) |
| 126 | && (ps_prev_slice->u1_nal_unit_type == IDR_SLICE_NAL)) |
| 127 | { |
| 128 | g = (u4_idr_pic_id != ps_prev_slice->u4_idr_pic_id); |
| 129 | } |
| 130 | |
| 131 | if((u1_nal_unit_type == IDR_SLICE_NAL) |
| 132 | && (ps_prev_slice->u1_nal_unit_type != IDR_SLICE_NAL)) |
| 133 | { |
| 134 | h = 1; |
| 135 | } |
| 136 | i1_is_end_of_pic = a + b + c + d + e + f + g + h; |
| 137 | return (i1_is_end_of_pic); |
| 138 | } |
| 139 | |
| 140 | /*! |
| 141 | ************************************************************************** |
| 142 | * \if Function name : ih264d_decode_pic_order_cnt \endif |
| 143 | * |
| 144 | * \brief |
| 145 | * Calculates picture order count of picture. |
| 146 | * |
| 147 | * \return |
| 148 | * Returns the pic order count of the picture to which current |
| 149 | * Slice belongs. |
| 150 | * |
| 151 | ************************************************************************** |
| 152 | */ |
| 153 | WORD32 ih264d_decode_pic_order_cnt(UWORD8 u1_is_idr_slice, |
| 154 | UWORD32 u2_frame_num, |
| 155 | pocstruct_t *ps_prev_poc, |
| 156 | pocstruct_t *ps_cur_poc, |
| 157 | dec_slice_params_t *ps_cur_slice, /*!< Pointer to current slice Params*/ |
| 158 | dec_pic_params_t * ps_pps, |
| 159 | UWORD8 u1_nal_ref_idc, |
| 160 | UWORD8 u1_bottom_field_flag, |
| 161 | UWORD8 u1_field_pic_flag, |
| 162 | WORD32 *pi4_poc) |
| 163 | { |
| 164 | WORD16 i1_pic_msb; |
| 165 | WORD32 i4_top_field_order_cnt = 0, i4_bottom_field_order_cnt = 0; |
| 166 | dec_seq_params_t *ps_seq = ps_pps->ps_sps; |
| 167 | WORD32 i4_prev_frame_num_ofst; |
| 168 | |
| 169 | switch(ps_seq->u1_pic_order_cnt_type) |
| 170 | { |
| 171 | case 0: |
| 172 | /* POC TYPE 0 */ |
| 173 | if(u1_is_idr_slice) |
| 174 | { |
| 175 | ps_prev_poc->i4_pic_order_cnt_msb = 0; |
| 176 | ps_prev_poc->i4_pic_order_cnt_lsb = 0; |
| 177 | } |
| 178 | if(ps_prev_poc->u1_mmco_equalto5) |
| 179 | { |
| 180 | if(ps_prev_poc->u1_bot_field != 1) |
| 181 | { |
| 182 | ps_prev_poc->i4_pic_order_cnt_msb = 0; |
| 183 | ps_prev_poc->i4_pic_order_cnt_lsb = |
| 184 | ps_prev_poc->i4_top_field_order_count; |
| 185 | } |
| 186 | else |
| 187 | { |
| 188 | ps_prev_poc->i4_pic_order_cnt_msb = 0; |
| 189 | ps_prev_poc->i4_pic_order_cnt_lsb = 0; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | if((ps_cur_poc->i4_pic_order_cnt_lsb |
| 194 | < ps_prev_poc->i4_pic_order_cnt_lsb) |
| 195 | && ((ps_prev_poc->i4_pic_order_cnt_lsb |
| 196 | - ps_cur_poc->i4_pic_order_cnt_lsb) |
| 197 | >= (ps_seq->i4_max_pic_order_cntLsb |
| 198 | >> 1))) |
| 199 | { |
| 200 | i1_pic_msb = ps_prev_poc->i4_pic_order_cnt_msb |
| 201 | + ps_seq->i4_max_pic_order_cntLsb; |
| 202 | } |
| 203 | else if((ps_cur_poc->i4_pic_order_cnt_lsb |
| 204 | > ps_prev_poc->i4_pic_order_cnt_lsb) |
| 205 | && ((ps_cur_poc->i4_pic_order_cnt_lsb |
| 206 | - ps_prev_poc->i4_pic_order_cnt_lsb) |
| 207 | >= (ps_seq->i4_max_pic_order_cntLsb |
| 208 | >> 1))) |
| 209 | { |
| 210 | i1_pic_msb = ps_prev_poc->i4_pic_order_cnt_msb |
| 211 | - ps_seq->i4_max_pic_order_cntLsb; |
| 212 | } |
| 213 | else |
| 214 | { |
| 215 | i1_pic_msb = ps_prev_poc->i4_pic_order_cnt_msb; |
| 216 | } |
| 217 | |
| 218 | if(!u1_field_pic_flag || !u1_bottom_field_flag) |
| 219 | i4_top_field_order_cnt = i1_pic_msb |
| 220 | + ps_cur_poc->i4_pic_order_cnt_lsb; |
| 221 | |
| 222 | if(!u1_field_pic_flag) |
| 223 | { |
| 224 | i4_bottom_field_order_cnt = i4_top_field_order_cnt |
| 225 | + ps_cur_poc->i4_delta_pic_order_cnt_bottom; |
| 226 | } |
| 227 | else if(u1_bottom_field_flag) |
| 228 | { |
| 229 | i4_bottom_field_order_cnt = i1_pic_msb |
| 230 | + ps_cur_poc->i4_pic_order_cnt_lsb; |
| 231 | } |
| 232 | ps_cur_poc->i4_pic_order_cnt_msb = i1_pic_msb; |
| 233 | break; |
| 234 | |
| 235 | case 1: |
| 236 | { |
| 237 | /* POC TYPE 1 */ |
| 238 | UWORD8 i; |
| 239 | WORD32 prev_frame_num; |
| 240 | WORD32 frame_num_ofst; |
| 241 | WORD32 abs_frm_num; |
| 242 | WORD32 poc_cycle_cnt, frame_num_in_poc_cycle; |
| 243 | WORD32 expected_delta_poc_cycle; |
| 244 | WORD32 expected_poc; |
| 245 | |
| 246 | prev_frame_num = (WORD32)ps_cur_slice->u2_frame_num; |
| 247 | if(!u1_is_idr_slice) |
| 248 | { |
| 249 | if(ps_cur_slice->u1_mmco_equalto5) |
| 250 | { |
| 251 | prev_frame_num = 0; |
| 252 | i4_prev_frame_num_ofst = 0; |
| 253 | } |
| 254 | else |
| 255 | { |
| 256 | i4_prev_frame_num_ofst = ps_prev_poc->i4_prev_frame_num_ofst; |
| 257 | } |
| 258 | } |
| 259 | else |
| 260 | i4_prev_frame_num_ofst = 0; |
| 261 | |
| 262 | /* 1. Derivation for FrameNumOffset */ |
| 263 | if(u1_is_idr_slice) |
| 264 | { |
| 265 | frame_num_ofst = 0; |
| 266 | ps_cur_poc->i4_delta_pic_order_cnt[0] = 0; |
| 267 | ps_cur_poc->i4_delta_pic_order_cnt[1] = 0; |
| 268 | } |
| 269 | else if(prev_frame_num > ((WORD32)u2_frame_num)) |
| 270 | { |
| 271 | frame_num_ofst = i4_prev_frame_num_ofst |
| 272 | + ps_seq->u2_u4_max_pic_num_minus1 + 1; |
| 273 | } |
| 274 | else |
| 275 | frame_num_ofst = i4_prev_frame_num_ofst; |
| 276 | |
| 277 | /* 2. Derivation for absFrameNum */ |
| 278 | if(0 != ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle) |
| 279 | abs_frm_num = frame_num_ofst + u2_frame_num; |
| 280 | else |
| 281 | abs_frm_num = 0; |
| 282 | if((u1_nal_ref_idc == 0) && (abs_frm_num > 0)) |
| 283 | abs_frm_num = abs_frm_num - 1; |
| 284 | |
| 285 | /* 4. expectedDeltaPerPicOrderCntCycle is derived as */ |
| 286 | expected_delta_poc_cycle = 0; |
| 287 | for(i = 0; i < ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle; |
| 288 | i++) |
| 289 | { |
| 290 | expected_delta_poc_cycle += |
| 291 | ps_seq->i4_ofst_for_ref_frame[i]; |
| 292 | } |
| 293 | |
| 294 | /* 3. When absFrameNum > 0, picOrderCntCycleCnt and |
| 295 | frame_num_in_poc_cycle are derived as : */ |
| 296 | /* 5. expectedPicOrderCnt is derived as : */ |
| 297 | if(abs_frm_num > 0) |
| 298 | { |
| 299 | poc_cycle_cnt = |
| 300 | DIV((abs_frm_num - 1), |
| 301 | ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle); |
| 302 | frame_num_in_poc_cycle = |
| 303 | MOD((abs_frm_num - 1), |
| 304 | ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle); |
| 305 | |
| 306 | expected_poc = poc_cycle_cnt |
| 307 | * expected_delta_poc_cycle; |
| 308 | for(i = 0; i <= frame_num_in_poc_cycle; i++) |
| 309 | { |
| 310 | expected_poc = expected_poc |
| 311 | + ps_seq->i4_ofst_for_ref_frame[i]; |
| 312 | } |
| 313 | } |
| 314 | else |
| 315 | expected_poc = 0; |
| 316 | |
| 317 | if(u1_nal_ref_idc == 0) |
| 318 | { |
| 319 | expected_poc = expected_poc |
| 320 | + ps_seq->i4_ofst_for_non_ref_pic; |
| 321 | } |
| 322 | |
| 323 | /* 6. TopFieldOrderCnt or BottomFieldOrderCnt are derived as */ |
| 324 | if(!u1_field_pic_flag) |
| 325 | { |
| 326 | i4_top_field_order_cnt = expected_poc |
| 327 | + ps_cur_poc->i4_delta_pic_order_cnt[0]; |
| 328 | i4_bottom_field_order_cnt = i4_top_field_order_cnt |
| 329 | + ps_seq->i4_ofst_for_top_to_bottom_field |
| 330 | + ps_cur_poc->i4_delta_pic_order_cnt[1]; |
| 331 | } |
| 332 | else if(!u1_bottom_field_flag) |
| 333 | { |
| 334 | i4_top_field_order_cnt = expected_poc |
| 335 | + ps_cur_poc->i4_delta_pic_order_cnt[0]; |
| 336 | } |
| 337 | else |
| 338 | { |
| 339 | i4_bottom_field_order_cnt = expected_poc |
| 340 | + ps_seq->i4_ofst_for_top_to_bottom_field |
| 341 | + ps_cur_poc->i4_delta_pic_order_cnt[0]; |
| 342 | } |
| 343 | /* Copy the current POC info into Previous POC structure */ |
| 344 | ps_cur_poc->i4_prev_frame_num_ofst = frame_num_ofst; |
| 345 | } |
| 346 | |
| 347 | break; |
| 348 | case 2: |
| 349 | { |
| 350 | /* POC TYPE 2 */ |
| 351 | WORD32 prev_frame_num; |
| 352 | WORD32 frame_num_ofst; |
| 353 | WORD32 tmp_poc; |
| 354 | |
| 355 | prev_frame_num = (WORD32)ps_cur_slice->u2_frame_num; |
| 356 | if(!u1_is_idr_slice) |
| 357 | { |
| 358 | if(ps_cur_slice->u1_mmco_equalto5) |
| 359 | { |
| 360 | prev_frame_num = 0; |
| 361 | i4_prev_frame_num_ofst = 0; |
| 362 | } |
| 363 | else |
| 364 | i4_prev_frame_num_ofst = ps_prev_poc->i4_prev_frame_num_ofst; |
| 365 | } |
| 366 | else |
| 367 | i4_prev_frame_num_ofst = 0; |
| 368 | |
| 369 | /* 1. Derivation for FrameNumOffset */ |
| 370 | if(u1_is_idr_slice) |
| 371 | { |
| 372 | frame_num_ofst = 0; |
| 373 | ps_cur_poc->i4_delta_pic_order_cnt[0] = 0; |
| 374 | ps_cur_poc->i4_delta_pic_order_cnt[1] = 0; |
| 375 | } |
| 376 | else if(prev_frame_num > ((WORD32)u2_frame_num)) |
| 377 | { |
| 378 | frame_num_ofst = i4_prev_frame_num_ofst |
| 379 | + ps_seq->u2_u4_max_pic_num_minus1 + 1; |
| 380 | } |
| 381 | else |
| 382 | frame_num_ofst = i4_prev_frame_num_ofst; |
| 383 | |
| 384 | /* 2. Derivation for tempPicOrderCnt */ |
| 385 | if(u1_is_idr_slice) |
| 386 | tmp_poc = 0; |
| 387 | else if(u1_nal_ref_idc == 0) |
| 388 | tmp_poc = ((frame_num_ofst + u2_frame_num) << 1) |
| 389 | - 1; |
| 390 | else |
| 391 | tmp_poc = ((frame_num_ofst + u2_frame_num) << 1); |
| 392 | |
| 393 | /* 6. TopFieldOrderCnt or BottomFieldOrderCnt are derived as */ |
| 394 | if(!u1_field_pic_flag) |
| 395 | { |
| 396 | i4_top_field_order_cnt = tmp_poc; |
| 397 | i4_bottom_field_order_cnt = tmp_poc; |
| 398 | } |
| 399 | else if(!u1_bottom_field_flag) |
| 400 | i4_top_field_order_cnt = tmp_poc; |
| 401 | else |
| 402 | i4_bottom_field_order_cnt = tmp_poc; |
| 403 | |
| 404 | /* Copy the current POC info into Previous POC structure */ |
| 405 | ps_prev_poc->i4_prev_frame_num_ofst = frame_num_ofst; |
| 406 | ps_cur_poc->i4_prev_frame_num_ofst = frame_num_ofst; |
| 407 | } |
| 408 | break; |
| 409 | default: |
| 410 | return ERROR_INV_POC_TYPE_T; |
| 411 | break; |
| 412 | } |
| 413 | |
| 414 | if(!u1_field_pic_flag) // or a complementary field pair |
| 415 | { |
| 416 | *pi4_poc = MIN(i4_top_field_order_cnt, i4_bottom_field_order_cnt); |
| 417 | ps_pps->i4_top_field_order_cnt = i4_top_field_order_cnt; |
| 418 | ps_pps->i4_bottom_field_order_cnt = i4_bottom_field_order_cnt; |
| 419 | } |
| 420 | else if(!u1_bottom_field_flag) |
| 421 | { |
| 422 | *pi4_poc = i4_top_field_order_cnt; |
| 423 | ps_pps->i4_top_field_order_cnt = i4_top_field_order_cnt; |
| 424 | } |
| 425 | else |
| 426 | { |
| 427 | *pi4_poc = i4_bottom_field_order_cnt; |
| 428 | ps_pps->i4_bottom_field_order_cnt = i4_bottom_field_order_cnt; |
| 429 | } |
| 430 | |
| 431 | ps_pps->i4_avg_poc = *pi4_poc; |
| 432 | |
| 433 | return OK; |
| 434 | } |
| 435 | |
| 436 | /*! |
| 437 | ************************************************************************** |
| 438 | * \if Function name : ih264d_end_of_pic_processing \endif |
| 439 | * |
| 440 | * \brief |
| 441 | * Performs the end of picture processing. |
| 442 | * |
| 443 | * It performs deblocking on the current picture and sets the i4_status of |
| 444 | * current picture as decoded. |
| 445 | * |
| 446 | * \return |
| 447 | * 0 on Success and Error code otherwise. |
| 448 | ************************************************************************** |
| 449 | */ |
| 450 | WORD32 ih264d_end_of_pic_processing(dec_struct_t *ps_dec) |
| 451 | { |
| 452 | UWORD8 u1_pic_type, u1_nal_ref_idc; |
| 453 | dec_slice_params_t *ps_cur_slice = ps_dec->ps_cur_slice; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 454 | |
| 455 | /* If nal_ref_idc is equal to 0 for one slice or slice data partition NAL |
| 456 | unit of a particular picture, it shall be equal to 0 for all slice and |
| 457 | slice data partition NAL units of the picture. nal_ref_idc greater |
| 458 | than 0 indicates that the content of the NAL unit belongs to a decoded |
| 459 | picture that is stored and marked for use as a reference picture in the |
| 460 | decoded picture buffer. */ |
| 461 | |
| 462 | /* 1. Do MMCO |
| 463 | 2. Add Cur Pic to list of reference pics. |
| 464 | */ |
| 465 | |
| 466 | /* Call MMCO */ |
| 467 | u1_pic_type = 0; |
| 468 | u1_nal_ref_idc = ps_cur_slice->u1_nal_ref_idc; |
| 469 | |
| 470 | if(u1_nal_ref_idc) |
| 471 | { |
| 472 | if(ps_cur_slice->u1_nal_unit_type == IDR_SLICE_NAL) |
| 473 | { |
| 474 | if(ps_dec->ps_dpb_cmds->u1_long_term_reference_flag == 0) |
| 475 | { |
| 476 | ih264d_reset_ref_bufs(ps_dec->ps_dpb_mgr); |
Harish Mahendrakar | 27b7a14 | 2016-04-26 17:23:03 +0530 | [diff] [blame] | 477 | /* ignore DPB errors */ |
| 478 | ih264d_insert_st_node(ps_dec->ps_dpb_mgr, |
| 479 | ps_dec->ps_cur_pic, |
| 480 | ps_dec->u1_pic_buf_id, |
| 481 | ps_cur_slice->u2_frame_num); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 482 | } |
| 483 | else |
| 484 | { |
| 485 | /* Equivalent of inserting a pic directly as longterm Pic */ |
| 486 | |
| 487 | { |
Harish Mahendrakar | 27b7a14 | 2016-04-26 17:23:03 +0530 | [diff] [blame] | 488 | /* ignore DPB errors */ |
| 489 | ih264d_insert_st_node(ps_dec->ps_dpb_mgr, |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 490 | ps_dec->ps_cur_pic, |
| 491 | ps_dec->u1_pic_buf_id, |
| 492 | ps_cur_slice->u2_frame_num); |
Harish Mahendrakar | 27b7a14 | 2016-04-26 17:23:03 +0530 | [diff] [blame] | 493 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 494 | /* Set longTermIdx = 0, MaxLongTermFrameIdx = 0 */ |
Harish Mahendrakar | 27b7a14 | 2016-04-26 17:23:03 +0530 | [diff] [blame] | 495 | ih264d_delete_st_node_or_make_lt( |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 496 | ps_dec->ps_dpb_mgr, |
| 497 | ps_cur_slice->u2_frame_num, 0, |
| 498 | ps_cur_slice->u1_field_pic_flag); |
Harish Mahendrakar | 27b7a14 | 2016-04-26 17:23:03 +0530 | [diff] [blame] | 499 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 500 | ps_dec->ps_dpb_mgr->u1_max_lt_pic_idx_plus1 = 1; |
| 501 | } |
| 502 | } |
| 503 | } |
| 504 | else |
| 505 | { |
| 506 | |
| 507 | { |
| 508 | UWORD16 u2_pic_num = ps_cur_slice->u2_frame_num; |
| 509 | |
Harish Mahendrakar | 27b7a14 | 2016-04-26 17:23:03 +0530 | [diff] [blame] | 510 | /* ignore DPB errors */ |
| 511 | ih264d_do_mmco_buffer(ps_dec->ps_dpb_cmds, ps_dec->ps_dpb_mgr, |
| 512 | ps_dec->ps_cur_sps->u1_num_ref_frames, u2_pic_num, |
| 513 | (ps_dec->ps_cur_sps->u2_u4_max_pic_num_minus1), |
| 514 | ps_dec->u1_nal_unit_type, ps_dec->ps_cur_pic, |
| 515 | ps_dec->u1_pic_buf_id, |
| 516 | ps_cur_slice->u1_field_pic_flag, |
| 517 | ps_dec->e_dec_status); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 518 | |
| 519 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 520 | } |
| 521 | } |
| 522 | ih264d_update_default_index_list(ps_dec->ps_dpb_mgr); |
| 523 | } |
| 524 | |
| 525 | if(ps_cur_slice->u1_field_pic_flag) |
| 526 | { |
| 527 | if(ps_cur_slice->u1_bottom_field_flag) |
| 528 | { |
| 529 | if(u1_nal_ref_idc) |
| 530 | u1_pic_type = u1_pic_type | BOT_REF; |
| 531 | u1_pic_type = u1_pic_type | BOT_FLD; |
| 532 | } |
| 533 | else |
| 534 | { |
| 535 | if(u1_nal_ref_idc) |
| 536 | u1_pic_type = u1_pic_type | TOP_REF; |
| 537 | u1_pic_type = u1_pic_type | TOP_FLD; |
| 538 | } |
| 539 | } |
| 540 | else |
| 541 | u1_pic_type = TOP_REF | BOT_REF; |
| 542 | ps_dec->ps_cur_pic->u1_pic_type |= u1_pic_type; |
| 543 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 544 | |
| 545 | if(ps_cur_slice->u1_field_pic_flag) |
| 546 | { |
| 547 | H264_DEC_DEBUG_PRINT("Toggling secondField\n"); |
| 548 | ps_dec->u1_second_field = 1 - ps_dec->u1_second_field; |
| 549 | } |
| 550 | |
| 551 | return OK; |
| 552 | } |
| 553 | |
| 554 | /*****************************************************************************/ |
| 555 | /* */ |
| 556 | /* Function Name : init_dpb_size */ |
| 557 | /* */ |
| 558 | /* Description : This function calculates the DBP i4_size in frames */ |
| 559 | /* Inputs : ps_seq - current sequence params */ |
| 560 | /* */ |
| 561 | /* Globals : None */ |
| 562 | /* */ |
| 563 | /* Outputs : None */ |
| 564 | /* */ |
| 565 | /* Returns : DPB in frames */ |
| 566 | /* */ |
| 567 | /* Issues : None */ |
| 568 | /* */ |
| 569 | /* Revision History: */ |
| 570 | /* */ |
| 571 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 572 | /* 28 04 2005 NS Draft */ |
| 573 | /* */ |
| 574 | /*****************************************************************************/ |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 575 | WORD32 ih264d_get_dpb_size(dec_seq_params_t *ps_seq) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 576 | { |
| 577 | WORD32 i4_size; |
| 578 | UWORD8 u1_level_idc; |
| 579 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 580 | u1_level_idc = ps_seq->u1_level_idc; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 581 | |
| 582 | switch(u1_level_idc) |
| 583 | { |
| 584 | case 10: |
| 585 | i4_size = 152064; |
| 586 | break; |
| 587 | case 11: |
| 588 | i4_size = 345600; |
| 589 | break; |
| 590 | case 12: |
| 591 | i4_size = 912384; |
| 592 | break; |
| 593 | case 13: |
| 594 | i4_size = 912384; |
| 595 | break; |
| 596 | case 20: |
| 597 | i4_size = 912384; |
| 598 | break; |
| 599 | case 21: |
| 600 | i4_size = 1824768; |
| 601 | break; |
| 602 | case 22: |
| 603 | i4_size = 3110400; |
| 604 | break; |
| 605 | case 30: |
| 606 | i4_size = 3110400; |
| 607 | break; |
| 608 | case 31: |
| 609 | i4_size = 6912000; |
| 610 | break; |
| 611 | case 32: |
| 612 | i4_size = 7864320; |
| 613 | break; |
| 614 | case 40: |
| 615 | i4_size = 12582912; |
| 616 | break; |
| 617 | case 41: |
| 618 | i4_size = 12582912; |
| 619 | break; |
| 620 | case 42: |
| 621 | i4_size = 12582912; |
| 622 | break; |
| 623 | case 50: |
| 624 | i4_size = 42393600; |
| 625 | break; |
| 626 | case 51: |
| 627 | i4_size = 70778880; |
| 628 | break; |
Hamsalekha S | 9327d0e | 2015-05-20 17:07:10 +0530 | [diff] [blame] | 629 | case 52: |
| 630 | i4_size = 70778880; |
| 631 | break; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 632 | default: |
Hamsalekha S | 9327d0e | 2015-05-20 17:07:10 +0530 | [diff] [blame] | 633 | i4_size = 70778880; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 634 | break; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 635 | } |
| 636 | |
Marco Nelissen | 8ef4c3f | 2015-06-03 07:26:32 -0700 | [diff] [blame] | 637 | i4_size /= (ps_seq->u2_frm_wd_in_mbs * (ps_seq->u2_frm_ht_in_mbs << (1 - ps_seq->u1_frame_mbs_only_flag))); |
| 638 | i4_size /= 384; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 639 | i4_size = MIN(i4_size, 16); |
| 640 | i4_size = MAX(i4_size, 1); |
| 641 | return (i4_size); |
| 642 | } |
| 643 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 644 | /**************************************************************************/ |
| 645 | /* This function initialises the value of ps_dec->u1_recon_mb_grp */ |
| 646 | /* ps_dec->u1_recon_mb_grp must satisfy the following criteria */ |
| 647 | /* - multiple of 2 (required for N/2 parse-mvpred design) */ |
| 648 | /* - multiple of 4 (if it is not a frame_mbs_only sequence), */ |
| 649 | /* in this case N/2 itself needs to be even for mbpair processing */ |
| 650 | /* - lesser than ps_dec->u2_frm_wd_in_mbs/2 (at least 3 N-Chunks */ |
| 651 | /* should make a row to ensure proper MvTop transferring) */ |
| 652 | /**************************************************************************/ |
| 653 | WORD32 ih264d_init_dec_mb_grp(dec_struct_t *ps_dec) |
| 654 | { |
| 655 | dec_seq_params_t *ps_seq = ps_dec->ps_cur_sps; |
| 656 | UWORD8 u1_frm = ps_seq->u1_frame_mbs_only_flag; |
| 657 | |
Harish Mahendrakar | 6676aeb | 2016-10-14 17:19:53 +0530 | [diff] [blame] | 658 | ps_dec->u1_recon_mb_grp = ps_dec->u2_frm_wd_in_mbs << ps_seq->u1_mb_aff_flag; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 659 | |
| 660 | ps_dec->u1_recon_mb_grp_pair = ps_dec->u1_recon_mb_grp >> 1; |
| 661 | |
| 662 | if(!ps_dec->u1_recon_mb_grp) |
| 663 | { |
| 664 | return ERROR_MB_GROUP_ASSGN_T; |
| 665 | } |
| 666 | |
| 667 | ps_dec->u4_num_mbs_prev_nmb = ps_dec->u1_recon_mb_grp; |
| 668 | |
| 669 | return OK; |
| 670 | } |
| 671 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 672 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 673 | /*! |
| 674 | ************************************************************************** |
| 675 | * \if Function name : ih264d_init_pic \endif |
| 676 | * |
| 677 | * \brief |
| 678 | * Initializes the picture. |
| 679 | * |
| 680 | * \return |
| 681 | * 0 on Success and Error code otherwise |
| 682 | * |
| 683 | * \note |
| 684 | * This function is called when first slice of the |
| 685 | * NON -IDR picture is encountered. |
| 686 | ************************************************************************** |
| 687 | */ |
| 688 | WORD32 ih264d_init_pic(dec_struct_t *ps_dec, |
| 689 | UWORD16 u2_frame_num, |
| 690 | WORD32 i4_poc, |
| 691 | dec_pic_params_t *ps_pps) |
| 692 | { |
| 693 | dec_seq_params_t *ps_seq = ps_pps->ps_sps; |
| 694 | prev_seq_params_t * ps_prev_seq_params = &ps_dec->s_prev_seq_params; |
| 695 | WORD32 i4_pic_bufs; |
| 696 | WORD32 ret; |
| 697 | |
| 698 | ps_dec->ps_cur_slice->u2_frame_num = u2_frame_num; |
| 699 | ps_dec->ps_cur_slice->i4_poc = i4_poc; |
| 700 | ps_dec->ps_cur_pps = ps_pps; |
| 701 | ps_dec->ps_cur_pps->pv_codec_handle = ps_dec; |
| 702 | |
| 703 | ps_dec->ps_cur_sps = ps_seq; |
| 704 | ps_dec->ps_dpb_mgr->i4_max_frm_num = ps_seq->u2_u4_max_pic_num_minus1 |
| 705 | + 1; |
| 706 | |
| 707 | ps_dec->ps_dpb_mgr->u2_pic_ht = ps_dec->u2_pic_ht; |
| 708 | ps_dec->ps_dpb_mgr->u2_pic_wd = ps_dec->u2_pic_wd; |
| 709 | ps_dec->i4_pic_type = -1; |
| 710 | ps_dec->i4_frametype = -1; |
| 711 | ps_dec->i4_content_type = -1; |
| 712 | |
| 713 | /*--------------------------------------------------------------------*/ |
| 714 | /* Get the value of MaxMbAddress and frmheight in Mbs */ |
| 715 | /*--------------------------------------------------------------------*/ |
| 716 | ps_seq->u2_max_mb_addr = |
| 717 | (ps_seq->u2_frm_wd_in_mbs |
| 718 | * (ps_dec->u2_pic_ht |
| 719 | >> (4 |
| 720 | + ps_dec->ps_cur_slice->u1_field_pic_flag))) |
| 721 | - 1; |
| 722 | ps_dec->u2_frm_ht_in_mbs = (ps_dec->u2_pic_ht |
| 723 | >> (4 + ps_dec->ps_cur_slice->u1_field_pic_flag)); |
| 724 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 725 | /***************************************************************************/ |
| 726 | /* If change in Level or the required PicBuffers i4_size is more than the */ |
| 727 | /* current one FREE the current PicBuffers and allocate affresh */ |
| 728 | /***************************************************************************/ |
Hamsalekha S | f15bb32 | 2017-06-22 17:08:44 +0530 | [diff] [blame] | 729 | if(!ps_dec->u1_init_dec_flag) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 730 | { |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 731 | ps_dec->u1_max_dec_frame_buffering = ih264d_get_dpb_size(ps_seq); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 732 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 733 | ps_dec->i4_display_delay = ps_dec->u1_max_dec_frame_buffering; |
| 734 | if((1 == ps_seq->u1_vui_parameters_present_flag) && |
| 735 | (1 == ps_seq->s_vui.u1_bitstream_restriction_flag)) |
| 736 | { |
| 737 | if(ps_seq->u1_frame_mbs_only_flag == 1) |
| 738 | ps_dec->i4_display_delay = ps_seq->s_vui.u4_num_reorder_frames + 1; |
| 739 | else |
| 740 | ps_dec->i4_display_delay = ps_seq->s_vui.u4_num_reorder_frames * 2 + 2; |
| 741 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 742 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 743 | if(IVD_DECODE_FRAME_OUT == ps_dec->e_frm_out_mode) |
| 744 | ps_dec->i4_display_delay = 0; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 745 | |
| 746 | if(ps_dec->u4_share_disp_buf == 0) |
| 747 | { |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 748 | if(ps_seq->u1_frame_mbs_only_flag == 1) |
| 749 | ps_dec->u1_pic_bufs = ps_dec->i4_display_delay + ps_seq->u1_num_ref_frames + 1; |
| 750 | else |
| 751 | ps_dec->u1_pic_bufs = ps_dec->i4_display_delay + ps_seq->u1_num_ref_frames * 2 + 2; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 752 | } |
| 753 | else |
| 754 | { |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 755 | ps_dec->u1_pic_bufs = (WORD32)ps_dec->u4_num_disp_bufs; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 756 | } |
| 757 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 758 | /* Ensure at least two buffers are allocated */ |
| 759 | ps_dec->u1_pic_bufs = MAX(ps_dec->u1_pic_bufs, 2); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 760 | |
| 761 | if(ps_dec->u4_share_disp_buf == 0) |
| 762 | ps_dec->u1_pic_bufs = MIN(ps_dec->u1_pic_bufs, |
| 763 | (H264_MAX_REF_PICS * 2)); |
| 764 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 765 | ps_dec->u1_max_dec_frame_buffering = MIN( |
| 766 | ps_dec->u1_max_dec_frame_buffering, |
| 767 | ps_dec->u1_pic_bufs); |
| 768 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 769 | /* Temporary hack to run Tractor Cav/Cab/MbAff Profiler streams also for CAFI1_SVA_C.264 in conformance*/ |
| 770 | if(ps_dec->u1_init_dec_flag) |
| 771 | { |
| 772 | ih264d_release_pics_in_dpb((void *)ps_dec, |
| 773 | ps_dec->u1_pic_bufs); |
| 774 | ih264d_release_display_bufs(ps_dec); |
| 775 | ih264d_reset_ref_bufs(ps_dec->ps_dpb_mgr); |
| 776 | } |
| 777 | |
| 778 | /*********************************************************************/ |
| 779 | /* Configuring decoder parameters based on level and then */ |
| 780 | /* fresh pointer initialisation in decoder scratch and state buffers */ |
| 781 | /*********************************************************************/ |
| 782 | if(!ps_dec->u1_init_dec_flag || |
| 783 | ((ps_seq->u1_level_idc < H264_LEVEL_3_0) ^ (ps_prev_seq_params->u1_level_idc < H264_LEVEL_3_0))) |
| 784 | { |
| 785 | ret = ih264d_init_dec_mb_grp(ps_dec); |
| 786 | if(ret != OK) |
| 787 | return ret; |
| 788 | } |
| 789 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 790 | ret = ih264d_allocate_dynamic_bufs(ps_dec); |
| 791 | if(ret != OK) |
| 792 | { |
| 793 | /* Free any dynamic buffers that are allocated */ |
| 794 | ih264d_free_dynamic_bufs(ps_dec); |
| 795 | ps_dec->i4_error_code = IVD_MEM_ALLOC_FAILED; |
| 796 | return IVD_MEM_ALLOC_FAILED; |
| 797 | } |
| 798 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 799 | ret = ih264d_create_pic_buffers(ps_dec->u1_pic_bufs, |
| 800 | ps_dec); |
| 801 | if(ret != OK) |
| 802 | return ret; |
| 803 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 804 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 805 | |
| 806 | ret = ih264d_create_mv_bank(ps_dec, ps_dec->u2_pic_wd, |
| 807 | ps_dec->u2_pic_ht); |
| 808 | if(ret != OK) |
| 809 | return ret; |
| 810 | |
| 811 | /* In shared mode, set all of them as used by display */ |
| 812 | if(ps_dec->u4_share_disp_buf == 1) |
| 813 | { |
| 814 | WORD32 i; |
| 815 | |
| 816 | for(i = 0; i < ps_dec->u1_pic_bufs; i++) |
| 817 | { |
| 818 | ih264_buf_mgr_set_status((buf_mgr_t *)ps_dec->pv_pic_buf_mgr, i, |
| 819 | BUF_MGR_IO); |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | ps_dec->u1_init_dec_flag = 1; |
| 824 | ps_prev_seq_params->u2_frm_wd_in_mbs = ps_seq->u2_frm_wd_in_mbs; |
| 825 | ps_prev_seq_params->u1_level_idc = ps_seq->u1_level_idc; |
| 826 | ps_prev_seq_params->u1_profile_idc = ps_seq->u1_profile_idc; |
| 827 | ps_prev_seq_params->u2_frm_ht_in_mbs = ps_seq->u2_frm_ht_in_mbs; |
| 828 | ps_prev_seq_params->u1_frame_mbs_only_flag = |
| 829 | ps_seq->u1_frame_mbs_only_flag; |
| 830 | ps_prev_seq_params->u1_direct_8x8_inference_flag = |
| 831 | ps_seq->u1_direct_8x8_inference_flag; |
| 832 | |
| 833 | ps_dec->i4_cur_display_seq = 0; |
| 834 | ps_dec->i4_prev_max_display_seq = 0; |
| 835 | ps_dec->i4_max_poc = 0; |
| 836 | |
| 837 | { |
| 838 | /* 0th entry of CtxtIncMbMap will be always be containing default values |
| 839 | for CABAC context representing MB not available */ |
| 840 | ctxt_inc_mb_info_t *p_DefCtxt = ps_dec->p_ctxt_inc_mb_map - 1; |
| 841 | UWORD8 *pu1_temp; |
| 842 | WORD8 i; |
| 843 | p_DefCtxt->u1_mb_type = CAB_SKIP; |
| 844 | |
| 845 | p_DefCtxt->u1_cbp = 0x0f; |
| 846 | p_DefCtxt->u1_intra_chroma_pred_mode = 0; |
| 847 | |
| 848 | p_DefCtxt->u1_yuv_dc_csbp = 0x7; |
| 849 | |
| 850 | p_DefCtxt->u1_transform8x8_ctxt = 0; |
| 851 | |
| 852 | pu1_temp = (UWORD8*)p_DefCtxt->i1_ref_idx; |
| 853 | for(i = 0; i < 4; i++, pu1_temp++) |
| 854 | (*pu1_temp) = 0; |
| 855 | pu1_temp = (UWORD8*)p_DefCtxt->u1_mv; |
| 856 | for(i = 0; i < 16; i++, pu1_temp++) |
| 857 | (*pu1_temp) = 0; |
| 858 | ps_dec->ps_def_ctxt_mb_info = p_DefCtxt; |
| 859 | } |
| 860 | |
| 861 | } |
| 862 | /* reset DBP commands read u4_flag */ |
| 863 | ps_dec->ps_dpb_cmds->u1_dpb_commands_read = 0; |
| 864 | |
| 865 | return OK; |
| 866 | } |
| 867 | |
| 868 | /*****************************************************************************/ |
| 869 | /* */ |
| 870 | /* Function Name : ih264d_get_next_display_field */ |
| 871 | /* */ |
| 872 | /* Description : Application calls this module to get the next field */ |
| 873 | /* to be displayed */ |
| 874 | /* */ |
| 875 | /* Inputs : 1. IBUFAPI_Handle Hnadle to the Display buffer */ |
| 876 | /* 2. IH264DEC_DispUnit Pointer to the display struct */ |
| 877 | /* */ |
| 878 | /* Globals : */ |
| 879 | /* */ |
| 880 | /* */ |
| 881 | /* Processing : None */ |
| 882 | /* Outputs : None */ |
| 883 | /* Returns : None */ |
| 884 | /* Issues : None */ |
| 885 | /* */ |
| 886 | /* Revision History: */ |
| 887 | /* */ |
| 888 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 889 | /* 27 05 2005 Ittiam Draft */ |
| 890 | /* */ |
| 891 | /*****************************************************************************/ |
| 892 | |
| 893 | WORD32 ih264d_get_next_display_field(dec_struct_t * ps_dec, |
| 894 | ivd_out_bufdesc_t *ps_out_buffer, |
| 895 | ivd_get_display_frame_op_t *pv_disp_op) |
| 896 | { |
| 897 | pic_buffer_t *pic_buf; |
| 898 | |
| 899 | UWORD8 i1_cur_fld; |
| 900 | WORD32 u4_api_ret = -1; |
| 901 | WORD32 i4_disp_buf_id; |
| 902 | iv_yuv_buf_t *ps_op_frm; |
| 903 | |
| 904 | |
| 905 | |
| 906 | ps_op_frm = &(ps_dec->s_disp_frame_info); |
| 907 | H264_MUTEX_LOCK(&ps_dec->process_disp_mutex); |
| 908 | pic_buf = (pic_buffer_t *)ih264_disp_mgr_get( |
| 909 | (disp_mgr_t *)ps_dec->pv_disp_buf_mgr, &i4_disp_buf_id); |
| 910 | ps_dec->u4_num_fld_in_frm = 0; |
| 911 | u4_api_ret = -1; |
| 912 | pv_disp_op->u4_ts = -1; |
| 913 | pv_disp_op->e_output_format = ps_dec->u1_chroma_format; |
| 914 | |
| 915 | pv_disp_op->s_disp_frm_buf.pv_y_buf = ps_out_buffer->pu1_bufs[0]; |
| 916 | pv_disp_op->s_disp_frm_buf.pv_u_buf = ps_out_buffer->pu1_bufs[1]; |
| 917 | pv_disp_op->s_disp_frm_buf.pv_v_buf = ps_out_buffer->pu1_bufs[2]; |
| 918 | if(pic_buf != NULL) |
| 919 | { |
| 920 | pv_disp_op->e4_fld_type = 0; |
| 921 | pv_disp_op->u4_disp_buf_id = i4_disp_buf_id; |
| 922 | |
| 923 | ps_op_frm->u4_y_ht = pic_buf->u2_disp_height << 1; |
| 924 | ps_op_frm->u4_u_ht = ps_op_frm->u4_v_ht = ps_op_frm->u4_y_ht >> 1; |
| 925 | ps_op_frm->u4_y_wd = pic_buf->u2_disp_width; |
| 926 | |
| 927 | ps_op_frm->u4_u_wd = ps_op_frm->u4_v_wd = ps_op_frm->u4_y_wd >> 1; |
| 928 | |
| 929 | ps_op_frm->u4_y_strd = pic_buf->u2_frm_wd_y; |
| 930 | ps_op_frm->u4_u_strd = ps_op_frm->u4_v_strd = pic_buf->u2_frm_wd_uv; |
| 931 | |
| 932 | /* ! */ |
| 933 | pv_disp_op->u4_ts = pic_buf->u4_ts; |
| 934 | |
| 935 | /* set the start of the Y, U and V buffer pointer for display */ |
| 936 | ps_op_frm->pv_y_buf = pic_buf->pu1_buf1 + pic_buf->u2_crop_offset_y; |
| 937 | ps_op_frm->pv_u_buf = pic_buf->pu1_buf2 + pic_buf->u2_crop_offset_uv; |
| 938 | ps_op_frm->pv_v_buf = pic_buf->pu1_buf3 + pic_buf->u2_crop_offset_uv; |
| 939 | ps_dec->u4_num_fld_in_frm++; |
| 940 | ps_dec->u4_num_fld_in_frm++; |
| 941 | u4_api_ret = 0; |
| 942 | |
| 943 | if(pic_buf->u1_picturetype == 0) |
| 944 | pv_disp_op->u4_progressive_frame_flag = 1; |
| 945 | else |
| 946 | pv_disp_op->u4_progressive_frame_flag = 0; |
| 947 | |
| 948 | } H264_MUTEX_UNLOCK(&ps_dec->process_disp_mutex); |
| 949 | pv_disp_op->u4_error_code = u4_api_ret; |
| 950 | pv_disp_op->e_pic_type = 0xFFFFFFFF; //Junk; |
| 951 | |
| 952 | if(u4_api_ret) |
| 953 | { |
| 954 | pv_disp_op->u4_error_code = 1; //put a proper error code here |
| 955 | } |
| 956 | else |
| 957 | { |
| 958 | |
| 959 | //Release the buffer if being sent for display |
| 960 | UWORD32 temp; |
| 961 | UWORD32 dest_inc_Y = 0, dest_inc_UV = 0; |
| 962 | |
| 963 | pv_disp_op->s_disp_frm_buf.u4_y_wd = temp = MIN(ps_op_frm->u4_y_wd, |
| 964 | ps_op_frm->u4_y_strd); |
| 965 | pv_disp_op->s_disp_frm_buf.u4_u_wd = pv_disp_op->s_disp_frm_buf.u4_y_wd |
| 966 | >> 1; |
| 967 | pv_disp_op->s_disp_frm_buf.u4_v_wd = pv_disp_op->s_disp_frm_buf.u4_y_wd |
| 968 | >> 1; |
| 969 | |
| 970 | pv_disp_op->s_disp_frm_buf.u4_y_ht = ps_op_frm->u4_y_ht; |
| 971 | pv_disp_op->s_disp_frm_buf.u4_u_ht = pv_disp_op->s_disp_frm_buf.u4_y_ht |
| 972 | >> 1; |
| 973 | pv_disp_op->s_disp_frm_buf.u4_v_ht = pv_disp_op->s_disp_frm_buf.u4_y_ht |
| 974 | >> 1; |
| 975 | if(0 == ps_dec->u4_share_disp_buf) |
| 976 | { |
| 977 | pv_disp_op->s_disp_frm_buf.u4_y_strd = |
| 978 | pv_disp_op->s_disp_frm_buf.u4_y_wd; |
| 979 | pv_disp_op->s_disp_frm_buf.u4_u_strd = |
| 980 | pv_disp_op->s_disp_frm_buf.u4_y_wd >> 1; |
| 981 | pv_disp_op->s_disp_frm_buf.u4_v_strd = |
| 982 | pv_disp_op->s_disp_frm_buf.u4_y_wd >> 1; |
| 983 | |
| 984 | } |
| 985 | else |
| 986 | { |
| 987 | pv_disp_op->s_disp_frm_buf.u4_y_strd = ps_op_frm->u4_y_strd; |
| 988 | } |
| 989 | |
| 990 | if(ps_dec->u4_app_disp_width) |
| 991 | { |
| 992 | pv_disp_op->s_disp_frm_buf.u4_y_strd = MAX( |
| 993 | ps_dec->u4_app_disp_width, |
| 994 | pv_disp_op->s_disp_frm_buf.u4_y_strd); |
| 995 | } |
| 996 | |
| 997 | pv_disp_op->u4_error_code = 0; |
| 998 | if(pv_disp_op->e_output_format == IV_YUV_420P) |
| 999 | { |
| 1000 | UWORD32 i; |
| 1001 | pv_disp_op->s_disp_frm_buf.u4_u_strd = |
| 1002 | pv_disp_op->s_disp_frm_buf.u4_y_strd >> 1; |
| 1003 | pv_disp_op->s_disp_frm_buf.u4_v_strd = |
| 1004 | pv_disp_op->s_disp_frm_buf.u4_y_strd >> 1; |
| 1005 | |
| 1006 | pv_disp_op->s_disp_frm_buf.u4_u_wd = ps_op_frm->u4_y_wd >> 1; |
| 1007 | pv_disp_op->s_disp_frm_buf.u4_v_wd = ps_op_frm->u4_y_wd >> 1; |
| 1008 | |
| 1009 | if(1 == ps_dec->u4_share_disp_buf) |
| 1010 | { |
| 1011 | pv_disp_op->s_disp_frm_buf.pv_y_buf = ps_op_frm->pv_y_buf; |
| 1012 | |
| 1013 | for(i = 0; i < MAX_DISP_BUFS_NEW; i++) |
| 1014 | { |
| 1015 | UWORD8 *buf = ps_dec->disp_bufs[i].buf[0]; |
| 1016 | buf += ps_dec->disp_bufs[i].u4_ofst[0]; |
| 1017 | if(((UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_y_buf |
| 1018 | - pic_buf->u2_crop_offset_y) == buf) |
| 1019 | { |
| 1020 | buf = ps_dec->disp_bufs[i].buf[1]; |
| 1021 | buf += ps_dec->disp_bufs[i].u4_ofst[1]; |
| 1022 | pv_disp_op->s_disp_frm_buf.pv_u_buf = buf |
Ritu Baldwa | c3b026a | 2017-12-27 17:45:30 +0530 | [diff] [blame] | 1023 | + (pic_buf->u2_crop_offset_uv |
| 1024 | / YUV420SP_FACTOR); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1025 | |
| 1026 | buf = ps_dec->disp_bufs[i].buf[2]; |
| 1027 | buf += ps_dec->disp_bufs[i].u4_ofst[2]; |
| 1028 | pv_disp_op->s_disp_frm_buf.pv_v_buf = buf |
Ritu Baldwa | c3b026a | 2017-12-27 17:45:30 +0530 | [diff] [blame] | 1029 | + (pic_buf->u2_crop_offset_uv |
| 1030 | / YUV420SP_FACTOR); |
| 1031 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1032 | } |
| 1033 | } |
| 1034 | } |
| 1035 | |
| 1036 | } |
| 1037 | else if((pv_disp_op->e_output_format == IV_YUV_420SP_UV) |
| 1038 | || (pv_disp_op->e_output_format == IV_YUV_420SP_VU)) |
| 1039 | { |
| 1040 | pv_disp_op->s_disp_frm_buf.u4_u_strd = |
| 1041 | pv_disp_op->s_disp_frm_buf.u4_y_strd; |
| 1042 | pv_disp_op->s_disp_frm_buf.u4_v_strd = 0; |
| 1043 | |
| 1044 | if(1 == ps_dec->u4_share_disp_buf) |
| 1045 | { |
| 1046 | UWORD32 i; |
| 1047 | |
| 1048 | pv_disp_op->s_disp_frm_buf.pv_y_buf = ps_op_frm->pv_y_buf; |
| 1049 | |
| 1050 | for(i = 0; i < MAX_DISP_BUFS_NEW; i++) |
| 1051 | { |
| 1052 | UWORD8 *buf = ps_dec->disp_bufs[i].buf[0]; |
| 1053 | buf += ps_dec->disp_bufs[i].u4_ofst[0]; |
| 1054 | if((UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_y_buf |
| 1055 | - pic_buf->u2_crop_offset_y == buf) |
| 1056 | { |
| 1057 | buf = ps_dec->disp_bufs[i].buf[1]; |
| 1058 | buf += ps_dec->disp_bufs[i].u4_ofst[1]; |
| 1059 | pv_disp_op->s_disp_frm_buf.pv_u_buf = buf |
| 1060 | + pic_buf->u2_crop_offset_uv; |
| 1061 | ; |
| 1062 | |
| 1063 | buf = ps_dec->disp_bufs[i].buf[2]; |
| 1064 | buf += ps_dec->disp_bufs[i].u4_ofst[2]; |
| 1065 | pv_disp_op->s_disp_frm_buf.pv_v_buf = buf |
| 1066 | + pic_buf->u2_crop_offset_uv; |
| 1067 | ; |
| 1068 | } |
| 1069 | } |
| 1070 | } |
| 1071 | pv_disp_op->s_disp_frm_buf.u4_u_wd = |
| 1072 | pv_disp_op->s_disp_frm_buf.u4_y_wd; |
| 1073 | pv_disp_op->s_disp_frm_buf.u4_v_wd = 0; |
| 1074 | |
| 1075 | } |
| 1076 | else if((pv_disp_op->e_output_format == IV_RGB_565) |
| 1077 | || (pv_disp_op->e_output_format == IV_YUV_422ILE)) |
| 1078 | { |
| 1079 | |
| 1080 | pv_disp_op->s_disp_frm_buf.u4_u_strd = 0; |
| 1081 | pv_disp_op->s_disp_frm_buf.u4_v_strd = 0; |
| 1082 | pv_disp_op->s_disp_frm_buf.u4_u_wd = 0; |
| 1083 | pv_disp_op->s_disp_frm_buf.u4_v_wd = 0; |
| 1084 | pv_disp_op->s_disp_frm_buf.u4_u_ht = 0; |
| 1085 | pv_disp_op->s_disp_frm_buf.u4_v_ht = 0; |
| 1086 | |
| 1087 | } |
| 1088 | |
| 1089 | |
| 1090 | } |
| 1091 | |
| 1092 | return u4_api_ret; |
| 1093 | } |
| 1094 | |
| 1095 | |
| 1096 | /*****************************************************************************/ |
| 1097 | /* Function Name : ih264d_release_display_field */ |
| 1098 | /* */ |
| 1099 | /* Description : This function releases the display field that was returned */ |
| 1100 | /* here. */ |
| 1101 | /* Inputs : ps_dec - Decoder parameters */ |
| 1102 | /* Globals : None */ |
| 1103 | /* Processing : Refer bumping process in the standard */ |
| 1104 | /* Outputs : Assigns display sequence number. */ |
| 1105 | /* Returns : None */ |
| 1106 | /* */ |
| 1107 | /* Issues : None */ |
| 1108 | /* */ |
| 1109 | /* Revision History: */ |
| 1110 | /* */ |
| 1111 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 1112 | /* 27 04 2005 NS Draft */ |
| 1113 | /* */ |
| 1114 | /*****************************************************************************/ |
| 1115 | void ih264d_release_display_field(dec_struct_t *ps_dec, |
| 1116 | ivd_get_display_frame_op_t *pv_disp_op) |
| 1117 | { |
| 1118 | if(1 == pv_disp_op->u4_error_code) |
| 1119 | { |
| 1120 | if(1 == ps_dec->u1_flushfrm) |
| 1121 | { |
| 1122 | UWORD32 i; |
| 1123 | |
| 1124 | if(1 == ps_dec->u4_share_disp_buf) |
| 1125 | { |
| 1126 | H264_MUTEX_LOCK(&ps_dec->process_disp_mutex); |
| 1127 | for(i = 0; i < (MAX_DISP_BUFS_NEW); i++) |
| 1128 | { |
| 1129 | if(1 == ps_dec->u4_disp_buf_mapping[i]) |
| 1130 | { |
| 1131 | ih264_buf_mgr_release( |
| 1132 | (buf_mgr_t *)ps_dec->pv_pic_buf_mgr, i, |
| 1133 | BUF_MGR_IO); |
| 1134 | ps_dec->u4_disp_buf_mapping[i] = 0; |
| 1135 | } |
| 1136 | } H264_MUTEX_UNLOCK(&ps_dec->process_disp_mutex); |
| 1137 | |
| 1138 | memset(ps_dec->u4_disp_buf_to_be_freed, 0, |
| 1139 | (MAX_DISP_BUFS_NEW) * sizeof(UWORD32)); |
| 1140 | for(i = 0; i < ps_dec->u1_pic_bufs; i++) |
| 1141 | ps_dec->u4_disp_buf_mapping[i] = 1; |
| 1142 | } |
| 1143 | ps_dec->u1_flushfrm = 0; |
| 1144 | |
| 1145 | } |
| 1146 | } |
| 1147 | else |
| 1148 | { |
| 1149 | H264_MUTEX_LOCK(&ps_dec->process_disp_mutex); |
| 1150 | |
| 1151 | if(0 == ps_dec->u4_share_disp_buf) |
| 1152 | { |
| 1153 | ih264_buf_mgr_release((buf_mgr_t *)ps_dec->pv_pic_buf_mgr, |
| 1154 | pv_disp_op->u4_disp_buf_id, |
| 1155 | BUF_MGR_IO); |
| 1156 | |
| 1157 | } |
| 1158 | else |
| 1159 | { |
| 1160 | ps_dec->u4_disp_buf_mapping[pv_disp_op->u4_disp_buf_id] = 1; |
| 1161 | } H264_MUTEX_UNLOCK(&ps_dec->process_disp_mutex); |
| 1162 | |
| 1163 | } |
| 1164 | } |
| 1165 | /*****************************************************************************/ |
| 1166 | /* Function Name : ih264d_assign_display_seq */ |
| 1167 | /* */ |
| 1168 | /* Description : This function implments bumping process. Every outgoing */ |
| 1169 | /* frame from DPB is assigned a display sequence number */ |
| 1170 | /* which increases monotonically. System looks for this */ |
| 1171 | /* number to display a frame. */ |
| 1172 | /* here. */ |
| 1173 | /* Inputs : ps_dec - Decoder parameters */ |
| 1174 | /* Globals : None */ |
| 1175 | /* Processing : Refer bumping process in the standard */ |
| 1176 | /* Outputs : Assigns display sequence number. */ |
| 1177 | /* Returns : None */ |
| 1178 | /* */ |
| 1179 | /* Issues : None */ |
| 1180 | /* */ |
| 1181 | /* Revision History: */ |
| 1182 | /* */ |
| 1183 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 1184 | /* 27 04 2005 NS Draft */ |
| 1185 | /* */ |
| 1186 | /*****************************************************************************/ |
| 1187 | WORD32 ih264d_assign_display_seq(dec_struct_t *ps_dec) |
| 1188 | { |
| 1189 | WORD32 i; |
| 1190 | WORD32 i4_min_poc; |
| 1191 | WORD32 i4_min_poc_buf_id; |
| 1192 | WORD32 i4_min_index; |
| 1193 | dpb_manager_t *ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
| 1194 | WORD32 (*i4_poc_buf_id_map)[3] = ps_dpb_mgr->ai4_poc_buf_id_map; |
| 1195 | |
| 1196 | i4_min_poc = 0x7fffffff; |
| 1197 | i4_min_poc_buf_id = -1; |
| 1198 | i4_min_index = -1; |
| 1199 | |
| 1200 | if(ps_dpb_mgr->i1_poc_buf_id_entries >= ps_dec->i4_display_delay) |
| 1201 | { |
| 1202 | for(i = 0; i < MAX_FRAMES; i++) |
| 1203 | { |
| 1204 | if((i4_poc_buf_id_map[i][0] != -1) |
| 1205 | && (DO_NOT_DISP |
| 1206 | != ps_dpb_mgr->ai4_poc_buf_id_map[i][0])) |
| 1207 | { |
Harish Mahendrakar | 7f33b96 | 2019-12-17 15:42:03 -0800 | [diff] [blame] | 1208 | /* Checking for <= is necessary to handle cases where there is one |
| 1209 | valid buffer with poc set to 0x7FFFFFFF. */ |
| 1210 | if(i4_poc_buf_id_map[i][1] <= i4_min_poc) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1211 | { |
| 1212 | i4_min_poc = i4_poc_buf_id_map[i][1]; |
| 1213 | i4_min_poc_buf_id = i4_poc_buf_id_map[i][0]; |
| 1214 | i4_min_index = i; |
| 1215 | } |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | if((i4_min_index != -1) && (DO_NOT_DISP != i4_min_poc_buf_id)) |
| 1220 | { |
| 1221 | ps_dec->i4_cur_display_seq++; |
| 1222 | ih264_disp_mgr_add( |
| 1223 | (disp_mgr_t *)ps_dec->pv_disp_buf_mgr, |
| 1224 | i4_min_poc_buf_id, ps_dec->i4_cur_display_seq, |
| 1225 | ps_dec->apv_buf_id_pic_buf_map[i4_min_poc_buf_id]); |
| 1226 | i4_poc_buf_id_map[i4_min_index][0] = -1; |
| 1227 | i4_poc_buf_id_map[i4_min_index][1] = 0x7fffffff; |
| 1228 | ps_dpb_mgr->i1_poc_buf_id_entries--; |
| 1229 | } |
| 1230 | else if(DO_NOT_DISP == i4_min_poc_buf_id) |
| 1231 | { |
| 1232 | WORD32 i4_error_code; |
| 1233 | i4_error_code = ERROR_GAPS_IN_FRM_NUM; |
| 1234 | // i4_error_code |= 1<<IVD_CORRUPTEDDATA; |
| 1235 | return i4_error_code; |
| 1236 | } |
| 1237 | } |
| 1238 | return OK; |
| 1239 | } |
| 1240 | |
| 1241 | /*****************************************************************************/ |
| 1242 | /* */ |
| 1243 | /* Function Name : ih264d_release_display_bufs */ |
| 1244 | /* */ |
| 1245 | /* Description : This function implments bumping process when mmco = 5. */ |
| 1246 | /* Each outgoing frame from DPB is assigned a display */ |
| 1247 | /* sequence number which increases monotonically. System */ |
| 1248 | /* looks for this number to display a frame. */ |
| 1249 | /* Inputs : ps_dec - Decoder parameters */ |
| 1250 | /* Globals : None */ |
| 1251 | /* Processing : Refer bumping process in the standard for mmco = 5 */ |
| 1252 | /* Outputs : Assigns display sequence number. */ |
| 1253 | /* Returns : None */ |
| 1254 | /* */ |
| 1255 | /* Issues : None */ |
| 1256 | /* */ |
| 1257 | /* Revision History: */ |
| 1258 | /* */ |
| 1259 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 1260 | /* 27 04 2005 NS Draft */ |
| 1261 | /* */ |
| 1262 | /*****************************************************************************/ |
| 1263 | void ih264d_release_display_bufs(dec_struct_t *ps_dec) |
| 1264 | { |
| 1265 | WORD32 i, j; |
| 1266 | WORD32 i4_min_poc; |
| 1267 | WORD32 i4_min_poc_buf_id; |
| 1268 | WORD32 i4_min_index; |
| 1269 | dpb_manager_t *ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
| 1270 | WORD32 (*i4_poc_buf_id_map)[3] = ps_dpb_mgr->ai4_poc_buf_id_map; |
| 1271 | |
| 1272 | i4_min_poc = 0x7fffffff; |
Harish Mahendrakar | 7f33b96 | 2019-12-17 15:42:03 -0800 | [diff] [blame] | 1273 | i4_min_poc_buf_id = 0; |
| 1274 | i4_min_index = 0; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1275 | |
| 1276 | ih264d_delete_nonref_nondisplay_pics(ps_dpb_mgr); |
| 1277 | |
| 1278 | for(j = 0; j < ps_dpb_mgr->i1_poc_buf_id_entries; j++) |
| 1279 | { |
| 1280 | i4_min_poc = 0x7fffffff; |
| 1281 | for(i = 0; i < MAX_FRAMES; i++) |
| 1282 | { |
| 1283 | if(i4_poc_buf_id_map[i][0] != -1) |
| 1284 | { |
Harish Mahendrakar | 7f33b96 | 2019-12-17 15:42:03 -0800 | [diff] [blame] | 1285 | /* Checking for <= is necessary to handle cases where there is one |
| 1286 | valid buffer with poc set to 0x7FFFFFFF. */ |
| 1287 | if(i4_poc_buf_id_map[i][1] <= i4_min_poc) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1288 | { |
| 1289 | i4_min_poc = i4_poc_buf_id_map[i][1]; |
| 1290 | i4_min_poc_buf_id = i4_poc_buf_id_map[i][0]; |
| 1291 | i4_min_index = i; |
| 1292 | } |
| 1293 | } |
| 1294 | } |
| 1295 | |
| 1296 | if(DO_NOT_DISP != i4_min_poc_buf_id) |
| 1297 | { |
| 1298 | ps_dec->i4_cur_display_seq++; |
| 1299 | ih264_disp_mgr_add( |
| 1300 | (disp_mgr_t *)ps_dec->pv_disp_buf_mgr, |
| 1301 | i4_min_poc_buf_id, ps_dec->i4_cur_display_seq, |
| 1302 | ps_dec->apv_buf_id_pic_buf_map[i4_min_poc_buf_id]); |
| 1303 | i4_poc_buf_id_map[i4_min_index][0] = -1; |
| 1304 | i4_poc_buf_id_map[i4_min_index][1] = 0x7fffffff; |
| 1305 | ps_dpb_mgr->ai4_poc_buf_id_map[i4_min_index][2] = 0; |
| 1306 | } |
| 1307 | else |
| 1308 | { |
| 1309 | i4_poc_buf_id_map[i4_min_index][0] = -1; |
| 1310 | i4_poc_buf_id_map[i4_min_index][1] = 0x7fffffff; |
| 1311 | ps_dpb_mgr->ai4_poc_buf_id_map[i4_min_index][2] = 0; |
| 1312 | } |
| 1313 | } |
| 1314 | ps_dpb_mgr->i1_poc_buf_id_entries = 0; |
| 1315 | ps_dec->i4_prev_max_display_seq = ps_dec->i4_prev_max_display_seq |
| 1316 | + ps_dec->i4_max_poc + ps_dec->u1_max_dec_frame_buffering |
| 1317 | + 1; |
| 1318 | ps_dec->i4_max_poc = 0; |
| 1319 | } |
| 1320 | |
| 1321 | /*****************************************************************************/ |
| 1322 | /* */ |
| 1323 | /* Function Name : ih264d_assign_pic_num */ |
| 1324 | /* */ |
| 1325 | /* Description : This function assigns pic num to each reference frame */ |
| 1326 | /* depending on the cur_frame_num as speified in section */ |
| 1327 | /* 8.2.4.1 */ |
| 1328 | /* */ |
| 1329 | /* Inputs : ps_dec */ |
| 1330 | /* */ |
| 1331 | /* Globals : NO globals used */ |
| 1332 | /* */ |
| 1333 | /* Processing : for all ST pictures */ |
| 1334 | /* if( FrameNum > cur_frame_num) */ |
| 1335 | /* PicNum = FrameNum - MaxFrameNum */ |
| 1336 | /* else */ |
| 1337 | /* PicNum = FrameNum */ |
| 1338 | /* */ |
| 1339 | /* Returns : void */ |
| 1340 | /* */ |
| 1341 | /* Issues : NO */ |
| 1342 | /* */ |
| 1343 | /* Revision History: */ |
| 1344 | /* */ |
| 1345 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 1346 | /* 13 07 2002 Jay Draft */ |
| 1347 | /* */ |
| 1348 | /*****************************************************************************/ |
| 1349 | |
| 1350 | void ih264d_assign_pic_num(dec_struct_t *ps_dec) |
| 1351 | { |
| 1352 | dpb_manager_t *ps_dpb_mgr; |
| 1353 | struct dpb_info_t *ps_next_dpb; |
| 1354 | WORD8 i; |
| 1355 | WORD32 i4_cur_frame_num, i4_max_frame_num; |
| 1356 | WORD32 i4_ref_frame_num; |
| 1357 | UWORD8 u1_fld_pic_flag = ps_dec->ps_cur_slice->u1_field_pic_flag; |
| 1358 | |
| 1359 | i4_max_frame_num = ps_dec->ps_cur_sps->u2_u4_max_pic_num_minus1 + 1; |
| 1360 | i4_cur_frame_num = ps_dec->ps_cur_pic->i4_frame_num; |
| 1361 | ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
| 1362 | |
| 1363 | /* Start from ST head */ |
| 1364 | ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head; |
| 1365 | for(i = 0; i < ps_dpb_mgr->u1_num_st_ref_bufs; i++) |
| 1366 | { |
| 1367 | WORD32 i4_pic_num; |
| 1368 | |
| 1369 | i4_ref_frame_num = ps_next_dpb->ps_pic_buf->i4_frame_num; |
| 1370 | if(i4_ref_frame_num > i4_cur_frame_num) |
| 1371 | { |
| 1372 | /* RefPic Buf frame_num is before Current frame_num in decode order */ |
| 1373 | i4_pic_num = i4_ref_frame_num - i4_max_frame_num; |
| 1374 | } |
| 1375 | else |
| 1376 | { |
| 1377 | /* RefPic Buf frame_num is after Current frame_num in decode order */ |
| 1378 | i4_pic_num = i4_ref_frame_num; |
| 1379 | } |
| 1380 | |
| 1381 | ps_next_dpb->ps_pic_buf->i4_pic_num = i4_pic_num; |
| 1382 | ps_next_dpb->i4_frame_num = i4_pic_num; |
| 1383 | ps_next_dpb->ps_pic_buf->u1_long_term_frm_idx = MAX_REF_BUFS + 1; |
| 1384 | if(u1_fld_pic_flag) |
| 1385 | { |
| 1386 | /* Assign the pic num to top fields and bot fields */ |
| 1387 | |
| 1388 | ps_next_dpb->s_top_field.i4_pic_num = i4_pic_num * 2 |
| 1389 | + !(ps_dec->ps_cur_slice->u1_bottom_field_flag); |
| 1390 | ps_next_dpb->s_bot_field.i4_pic_num = i4_pic_num * 2 |
| 1391 | + ps_dec->ps_cur_slice->u1_bottom_field_flag; |
| 1392 | } |
| 1393 | /* Chase the next link */ |
| 1394 | ps_next_dpb = ps_next_dpb->ps_prev_short; |
| 1395 | } |
| 1396 | |
| 1397 | if(ps_dec->ps_cur_sps->u1_gaps_in_frame_num_value_allowed_flag |
| 1398 | && ps_dpb_mgr->u1_num_gaps) |
| 1399 | { |
| 1400 | WORD32 i4_start_frm, i4_end_frm; |
| 1401 | /* Assign pic numbers for gaps */ |
| 1402 | for(i = 0; i < MAX_FRAMES; i++) |
| 1403 | { |
| 1404 | i4_start_frm = ps_dpb_mgr->ai4_gaps_start_frm_num[i]; |
| 1405 | if(i4_start_frm != INVALID_FRAME_NUM) |
| 1406 | { |
| 1407 | if(i4_start_frm > i4_cur_frame_num) |
| 1408 | { |
| 1409 | /* gap's frame_num is before Current frame_num in |
| 1410 | decode order */ |
| 1411 | i4_start_frm -= i4_max_frame_num; |
| 1412 | } |
| 1413 | ps_dpb_mgr->ai4_gaps_start_frm_num[i] = i4_start_frm; |
| 1414 | i4_end_frm = ps_dpb_mgr->ai4_gaps_end_frm_num[i]; |
| 1415 | |
| 1416 | if(i4_end_frm > i4_cur_frame_num) |
| 1417 | { |
| 1418 | /* gap's frame_num is before Current frame_num in |
| 1419 | decode order */ |
| 1420 | i4_end_frm -= i4_max_frame_num; |
| 1421 | } |
| 1422 | ps_dpb_mgr->ai4_gaps_end_frm_num[i] = i4_end_frm; |
| 1423 | } |
| 1424 | } |
| 1425 | } |
| 1426 | } |
| 1427 | |
| 1428 | /*! |
| 1429 | ************************************************************************** |
| 1430 | * \if Function name : ih264d_update_qp \endif |
| 1431 | * |
| 1432 | * \brief |
| 1433 | * Updates the values of QP and its related entities |
| 1434 | * |
| 1435 | * \return |
| 1436 | * 0 on Success and Error code otherwise |
| 1437 | * |
| 1438 | ************************************************************************** |
| 1439 | */ |
| 1440 | WORD32 ih264d_update_qp(dec_struct_t * ps_dec, const WORD8 i1_qp) |
| 1441 | { |
| 1442 | WORD32 i_temp; |
| 1443 | i_temp = (ps_dec->u1_qp + i1_qp + 52) % 52; |
| 1444 | |
| 1445 | if((i_temp < 0) || (i_temp > 51) || (i1_qp < -26) || (i1_qp > 25)) |
| 1446 | return ERROR_INV_RANGE_QP_T; |
| 1447 | |
| 1448 | ps_dec->u1_qp = i_temp; |
| 1449 | ps_dec->u1_qp_y_rem6 = ps_dec->u1_qp % 6; |
| 1450 | ps_dec->u1_qp_y_div6 = ps_dec->u1_qp / 6; |
| 1451 | i_temp = CLIP3(0, 51, ps_dec->u1_qp + ps_dec->ps_cur_pps->i1_chroma_qp_index_offset); |
| 1452 | ps_dec->u1_qp_u_rem6 = MOD(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
| 1453 | ps_dec->u1_qp_u_div6 = DIV(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
| 1454 | |
| 1455 | i_temp = CLIP3(0, 51, ps_dec->u1_qp + ps_dec->ps_cur_pps->i1_second_chroma_qp_index_offset); |
| 1456 | ps_dec->u1_qp_v_rem6 = MOD(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
| 1457 | ps_dec->u1_qp_v_div6 = DIV(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
| 1458 | |
| 1459 | ps_dec->pu2_quant_scale_y = |
| 1460 | gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_y_rem6]; |
| 1461 | ps_dec->pu2_quant_scale_u = |
| 1462 | gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_u_rem6]; |
| 1463 | ps_dec->pu2_quant_scale_v = |
| 1464 | gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_v_rem6]; |
| 1465 | return OK; |
| 1466 | } |
| 1467 | |
| 1468 | /*****************************************************************************/ |
| 1469 | /* */ |
| 1470 | /* Function Name : ih264d_decode_gaps_in_frame_num */ |
| 1471 | /* */ |
| 1472 | /* Description : This function decodes gaps in frame number */ |
| 1473 | /* */ |
| 1474 | /* Inputs : ps_dec Decoder parameters */ |
| 1475 | /* u2_frame_num current frame number */ |
| 1476 | /* */ |
| 1477 | /* Globals : None */ |
| 1478 | /* Processing : This functionality needs to be implemented */ |
| 1479 | /* Outputs : None */ |
| 1480 | /* Returns : None */ |
| 1481 | /* */ |
| 1482 | /* Issues : Not implemented */ |
| 1483 | /* */ |
| 1484 | /* Revision History: */ |
| 1485 | /* */ |
| 1486 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 1487 | /* 06 05 2002 NS Draft */ |
| 1488 | /* */ |
| 1489 | /*****************************************************************************/ |
| 1490 | WORD32 ih264d_decode_gaps_in_frame_num(dec_struct_t *ps_dec, |
| 1491 | UWORD16 u2_frame_num) |
| 1492 | { |
| 1493 | UWORD32 u4_next_frm_num, u4_start_frm_num; |
| 1494 | UWORD32 u4_max_frm_num; |
| 1495 | pocstruct_t s_tmp_poc; |
| 1496 | WORD32 i4_poc; |
| 1497 | dec_slice_params_t *ps_cur_slice; |
| 1498 | |
| 1499 | dec_pic_params_t *ps_pic_params; |
| 1500 | WORD8 i1_gap_idx; |
| 1501 | WORD32 *i4_gaps_start_frm_num; |
| 1502 | dpb_manager_t *ps_dpb_mgr; |
| 1503 | WORD32 i4_frame_gaps; |
| 1504 | WORD8 *pi1_gaps_per_seq; |
| 1505 | WORD32 ret; |
| 1506 | |
| 1507 | ps_cur_slice = ps_dec->ps_cur_slice; |
| 1508 | if(ps_cur_slice->u1_field_pic_flag) |
| 1509 | { |
| 1510 | if(ps_dec->u2_prev_ref_frame_num == u2_frame_num) |
| 1511 | return 0; |
| 1512 | } |
| 1513 | |
| 1514 | u4_next_frm_num = ps_dec->u2_prev_ref_frame_num + 1; |
| 1515 | u4_max_frm_num = ps_dec->ps_cur_sps->u2_u4_max_pic_num_minus1 + 1; |
| 1516 | |
| 1517 | // check |
| 1518 | if(u4_next_frm_num >= u4_max_frm_num) |
| 1519 | { |
| 1520 | u4_next_frm_num -= u4_max_frm_num; |
| 1521 | } |
| 1522 | |
| 1523 | if(u4_next_frm_num == u2_frame_num) |
| 1524 | { |
| 1525 | return (0); |
| 1526 | } |
| 1527 | |
| 1528 | // check |
| 1529 | if((ps_dec->u1_nal_unit_type == IDR_SLICE_NAL) |
| 1530 | && (u4_next_frm_num >= u2_frame_num)) |
| 1531 | { |
| 1532 | return (0); |
| 1533 | } |
| 1534 | u4_start_frm_num = u4_next_frm_num; |
| 1535 | |
| 1536 | s_tmp_poc.i4_pic_order_cnt_lsb = 0; |
| 1537 | s_tmp_poc.i4_delta_pic_order_cnt_bottom = 0; |
| 1538 | s_tmp_poc.i4_pic_order_cnt_lsb = 0; |
| 1539 | s_tmp_poc.i4_delta_pic_order_cnt_bottom = 0; |
| 1540 | s_tmp_poc.i4_delta_pic_order_cnt[0] = 0; |
| 1541 | s_tmp_poc.i4_delta_pic_order_cnt[1] = 0; |
| 1542 | |
| 1543 | ps_cur_slice = ps_dec->ps_cur_slice; |
| 1544 | ps_pic_params = ps_dec->ps_cur_pps; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1545 | |
| 1546 | i4_frame_gaps = 0; |
| 1547 | ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
| 1548 | |
| 1549 | /* Find a empty slot to store gap seqn info */ |
| 1550 | i4_gaps_start_frm_num = ps_dpb_mgr->ai4_gaps_start_frm_num; |
| 1551 | for(i1_gap_idx = 0; i1_gap_idx < MAX_FRAMES; i1_gap_idx++) |
| 1552 | { |
| 1553 | if(INVALID_FRAME_NUM == i4_gaps_start_frm_num[i1_gap_idx]) |
| 1554 | break; |
| 1555 | } |
| 1556 | if(MAX_FRAMES == i1_gap_idx) |
| 1557 | { |
| 1558 | UWORD32 i4_error_code; |
| 1559 | i4_error_code = ERROR_DBP_MANAGER_T; |
| 1560 | // i4_error_code |= 1<<IVD_CORRUPTEDDATA; |
| 1561 | return i4_error_code; |
| 1562 | } |
| 1563 | |
| 1564 | i4_poc = 0; |
| 1565 | i4_gaps_start_frm_num[i1_gap_idx] = u4_start_frm_num; |
| 1566 | ps_dpb_mgr->ai4_gaps_end_frm_num[i1_gap_idx] = u2_frame_num - 1; |
| 1567 | pi1_gaps_per_seq = ps_dpb_mgr->ai1_gaps_per_seq; |
| 1568 | pi1_gaps_per_seq[i1_gap_idx] = 0; |
| 1569 | while(u4_next_frm_num != u2_frame_num) |
| 1570 | { |
| 1571 | ih264d_delete_nonref_nondisplay_pics(ps_dpb_mgr); |
| 1572 | if(ps_pic_params->ps_sps->u1_pic_order_cnt_type) |
| 1573 | { |
| 1574 | /* allocate a picture buffer and insert it as ST node */ |
| 1575 | ret = ih264d_decode_pic_order_cnt(0, u4_next_frm_num, |
| 1576 | &ps_dec->s_prev_pic_poc, |
| 1577 | &s_tmp_poc, ps_cur_slice, |
| 1578 | ps_pic_params, 1, 0, 0, |
| 1579 | &i4_poc); |
| 1580 | if(ret != OK) |
| 1581 | return ret; |
| 1582 | |
| 1583 | /* Display seq no calculations */ |
| 1584 | if(i4_poc >= ps_dec->i4_max_poc) |
| 1585 | ps_dec->i4_max_poc = i4_poc; |
| 1586 | /* IDR Picture or POC wrap around */ |
| 1587 | if(i4_poc == 0) |
| 1588 | { |
| 1589 | ps_dec->i4_prev_max_display_seq = |
| 1590 | ps_dec->i4_prev_max_display_seq |
| 1591 | + ps_dec->i4_max_poc |
| 1592 | + ps_dec->u1_max_dec_frame_buffering |
| 1593 | + 1; |
| 1594 | ps_dec->i4_max_poc = 0; |
| 1595 | } |
| 1596 | |
| 1597 | ps_cur_slice->u1_mmco_equalto5 = 0; |
| 1598 | ps_cur_slice->u2_frame_num = u4_next_frm_num; |
| 1599 | } |
| 1600 | |
| 1601 | // check |
| 1602 | if(ps_dpb_mgr->i1_poc_buf_id_entries |
| 1603 | >= ps_dec->u1_max_dec_frame_buffering) |
| 1604 | { |
| 1605 | ret = ih264d_assign_display_seq(ps_dec); |
| 1606 | if(ret != OK) |
| 1607 | return ret; |
| 1608 | } |
| 1609 | |
| 1610 | ret = ih264d_insert_pic_in_display_list( |
| 1611 | ps_dec->ps_dpb_mgr, (WORD8) DO_NOT_DISP, |
| 1612 | (WORD32)(ps_dec->i4_prev_max_display_seq + i4_poc), |
| 1613 | u4_next_frm_num); |
| 1614 | if(ret != OK) |
| 1615 | return ret; |
| 1616 | |
| 1617 | pi1_gaps_per_seq[i1_gap_idx]++; |
| 1618 | ret = ih264d_do_mmco_for_gaps(ps_dpb_mgr, |
| 1619 | ps_dec->ps_cur_sps->u1_num_ref_frames); |
| 1620 | if(ret != OK) |
| 1621 | return ret; |
| 1622 | |
| 1623 | ih264d_delete_nonref_nondisplay_pics(ps_dpb_mgr); |
| 1624 | |
| 1625 | u4_next_frm_num++; |
| 1626 | if(u4_next_frm_num >= u4_max_frm_num) |
| 1627 | { |
| 1628 | u4_next_frm_num -= u4_max_frm_num; |
| 1629 | } |
| 1630 | |
| 1631 | i4_frame_gaps++; |
| 1632 | } |
| 1633 | |
| 1634 | return OK; |
| 1635 | } |
| 1636 | |
| 1637 | /*! |
| 1638 | ************************************************************************** |
| 1639 | * \if Function name : ih264d_create_pic_buffers \endif |
| 1640 | * |
| 1641 | * \brief |
| 1642 | * This function creates Picture Buffers. |
| 1643 | * |
| 1644 | * \return |
| 1645 | * 0 on Success and -1 on error |
| 1646 | ************************************************************************** |
| 1647 | */ |
| 1648 | WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf, |
| 1649 | dec_struct_t *ps_dec) |
| 1650 | { |
| 1651 | struct pic_buffer_t *ps_pic_buf; |
| 1652 | UWORD8 i; |
| 1653 | UWORD32 u4_luma_size, u4_chroma_size; |
| 1654 | UWORD8 u1_frm = ps_dec->ps_cur_sps->u1_frame_mbs_only_flag; |
| 1655 | WORD32 j; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1656 | UWORD8 *pu1_buf; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1657 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1658 | ps_pic_buf = ps_dec->ps_pic_buf_base; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1659 | ih264_disp_mgr_init((disp_mgr_t *)ps_dec->pv_disp_buf_mgr); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1660 | ih264_buf_mgr_init((buf_mgr_t *)ps_dec->pv_pic_buf_mgr); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1661 | u4_luma_size = ps_dec->u2_frm_wd_y * ps_dec->u2_frm_ht_y; |
| 1662 | u4_chroma_size = ps_dec->u2_frm_wd_uv * ps_dec->u2_frm_ht_uv; |
| 1663 | |
| 1664 | { |
| 1665 | if(ps_dec->u4_share_disp_buf == 1) |
| 1666 | { |
| 1667 | /* In case of buffers getting shared between application and library |
| 1668 | there is no need of reference memtabs. Instead of setting the i4_size |
| 1669 | to zero, it is reduced to a small i4_size to ensure that changes |
| 1670 | in the code are minimal */ |
| 1671 | if((ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
| 1672 | || (ps_dec->u1_chroma_format == IV_YUV_420SP_VU) |
| 1673 | || (ps_dec->u1_chroma_format == IV_YUV_420P)) |
| 1674 | { |
| 1675 | u4_luma_size = 64; |
| 1676 | } |
| 1677 | |
| 1678 | if(ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1679 | { |
| 1680 | u4_chroma_size = 64; |
| 1681 | } |
| 1682 | |
| 1683 | } |
| 1684 | } |
| 1685 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1686 | pu1_buf = ps_dec->pu1_pic_buf_base; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1687 | |
| 1688 | /* Allocate memory for refernce buffers */ |
| 1689 | for(i = 0; i < u1_num_of_buf; i++) |
| 1690 | { |
| 1691 | UWORD32 u4_offset; |
| 1692 | WORD32 buf_ret; |
| 1693 | UWORD8 *pu1_luma, *pu1_chroma; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1694 | void *pv_mem_ctxt = ps_dec->pv_mem_ctxt; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1695 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1696 | pu1_luma = pu1_buf; |
| 1697 | pu1_buf += ALIGN64(u4_luma_size); |
| 1698 | pu1_chroma = pu1_buf; |
| 1699 | pu1_buf += ALIGN64(u4_chroma_size); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1700 | |
| 1701 | /* Offset to the start of the pic from the top left corner of the frame |
| 1702 | buffer */ |
| 1703 | |
| 1704 | if((0 == ps_dec->u4_share_disp_buf) |
| 1705 | || (NULL == ps_dec->disp_bufs[i].buf[0])) |
| 1706 | { |
| 1707 | UWORD32 pad_len_h, pad_len_v; |
| 1708 | |
| 1709 | u4_offset = ps_dec->u2_frm_wd_y * (PAD_LEN_Y_V << 1) + PAD_LEN_Y_H; |
| 1710 | ps_pic_buf->pu1_buf1 = (UWORD8 *)(pu1_luma) + u4_offset; |
| 1711 | |
| 1712 | pad_len_h = MAX(PAD_LEN_UV_H, (PAD_LEN_Y_H >> 1)); |
| 1713 | pad_len_v = MAX(PAD_LEN_UV_V, PAD_LEN_Y_V); |
| 1714 | |
| 1715 | u4_offset = ps_dec->u2_frm_wd_uv * pad_len_v + pad_len_h; |
| 1716 | |
| 1717 | ps_pic_buf->pu1_buf2 = (UWORD8 *)(pu1_chroma) + u4_offset; |
| 1718 | ps_pic_buf->pu1_buf3 = (UWORD8 *)(NULL) + u4_offset; |
| 1719 | |
| 1720 | } |
| 1721 | else |
| 1722 | { |
| 1723 | UWORD32 pad_len_h, pad_len_v; |
| 1724 | u4_offset = ps_dec->u2_frm_wd_y * (PAD_LEN_Y_V << 1) + PAD_LEN_Y_H; |
| 1725 | ps_pic_buf->pu1_buf1 = (UWORD8 *)ps_dec->disp_bufs[i].buf[0] |
| 1726 | + u4_offset; |
| 1727 | |
| 1728 | ps_dec->disp_bufs[i].u4_ofst[0] = u4_offset; |
| 1729 | |
| 1730 | if(ps_dec->u1_chroma_format == IV_YUV_420P) |
| 1731 | { |
| 1732 | pad_len_h = MAX(PAD_LEN_UV_H * YUV420SP_FACTOR, |
| 1733 | (PAD_LEN_Y_H >> 1)); |
| 1734 | pad_len_v = MAX(PAD_LEN_UV_V, PAD_LEN_Y_V); |
| 1735 | |
| 1736 | u4_offset = ps_dec->u2_frm_wd_uv * pad_len_v + pad_len_h; |
| 1737 | ps_pic_buf->pu1_buf2 = (UWORD8 *)(pu1_chroma) + u4_offset; |
| 1738 | ps_pic_buf->pu1_buf3 = (UWORD8 *)(NULL) + u4_offset; |
| 1739 | |
| 1740 | ps_dec->disp_bufs[i].u4_ofst[1] = u4_offset; |
| 1741 | ps_dec->disp_bufs[i].u4_ofst[2] = u4_offset; |
| 1742 | |
| 1743 | } |
| 1744 | else |
| 1745 | { |
| 1746 | pad_len_h = MAX(PAD_LEN_UV_H * YUV420SP_FACTOR, |
| 1747 | (PAD_LEN_Y_H >> 1)); |
| 1748 | pad_len_v = MAX(PAD_LEN_UV_V, PAD_LEN_Y_V); |
| 1749 | |
| 1750 | u4_offset = ps_dec->u2_frm_wd_uv * pad_len_v + pad_len_h; |
| 1751 | ps_pic_buf->pu1_buf2 = (UWORD8 *)(ps_dec->disp_bufs[i].buf[1]) |
| 1752 | + u4_offset; |
| 1753 | ps_pic_buf->pu1_buf3 = (UWORD8 *)(ps_dec->disp_bufs[i].buf[1]) |
| 1754 | + u4_offset; |
| 1755 | |
| 1756 | ps_dec->disp_bufs[i].u4_ofst[1] = u4_offset; |
| 1757 | ps_dec->disp_bufs[i].u4_ofst[2] = u4_offset; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1758 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1759 | } |
| 1760 | |
| 1761 | ps_pic_buf->u2_frm_ht_y = ps_dec->u2_frm_ht_y; |
| 1762 | ps_pic_buf->u2_frm_ht_uv = ps_dec->u2_frm_ht_uv; |
| 1763 | ps_pic_buf->u2_frm_wd_y = ps_dec->u2_frm_wd_y; |
| 1764 | ps_pic_buf->u2_frm_wd_uv = ps_dec->u2_frm_wd_uv; |
| 1765 | |
| 1766 | ps_pic_buf->u1_pic_buf_id = i; |
| 1767 | |
| 1768 | buf_ret = ih264_buf_mgr_add((buf_mgr_t *)ps_dec->pv_pic_buf_mgr, |
| 1769 | ps_pic_buf, i); |
| 1770 | if(0 != buf_ret) |
| 1771 | { |
| 1772 | ps_dec->i4_error_code = ERROR_BUF_MGR; |
| 1773 | return ERROR_BUF_MGR; |
| 1774 | } |
| 1775 | |
| 1776 | ps_dec->apv_buf_id_pic_buf_map[i] = (void *)ps_pic_buf; |
| 1777 | ps_pic_buf++; |
| 1778 | } |
| 1779 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1780 | if(1 == ps_dec->u4_share_disp_buf) |
| 1781 | { |
| 1782 | for(i = 0; i < u1_num_of_buf; i++) |
| 1783 | ps_dec->u4_disp_buf_mapping[i] = 1; |
| 1784 | } |
| 1785 | return OK; |
| 1786 | } |
| 1787 | |
| 1788 | /*! |
| 1789 | ************************************************************************** |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1790 | * \if Function name : ih264d_allocate_dynamic_bufs \endif |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1791 | * |
| 1792 | * \brief |
| 1793 | * This function allocates memory required by Decoder. |
| 1794 | * |
| 1795 | * \param ps_dec: Pointer to dec_struct_t. |
| 1796 | * |
| 1797 | * \return |
| 1798 | * Returns i4_status as returned by MemManager. |
| 1799 | * |
| 1800 | ************************************************************************** |
| 1801 | */ |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1802 | WORD16 ih264d_allocate_dynamic_bufs(dec_struct_t * ps_dec) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1803 | { |
| 1804 | struct MemReq s_MemReq; |
| 1805 | struct MemBlock *p_MemBlock; |
| 1806 | |
| 1807 | pred_info_t *ps_pred_frame; |
| 1808 | dec_mb_info_t *ps_frm_mb_info; |
| 1809 | dec_slice_struct_t *ps_dec_slice_buf; |
| 1810 | UWORD8 *pu1_dec_mb_map, *pu1_recon_mb_map; |
| 1811 | UWORD16 *pu2_slice_num_map; |
| 1812 | |
| 1813 | WORD16 *pi16_res_coeff; |
| 1814 | WORD16 i16_status = 0; |
| 1815 | UWORD8 uc_frmOrFld = (1 - ps_dec->ps_cur_sps->u1_frame_mbs_only_flag); |
| 1816 | UWORD16 u4_luma_wd = ps_dec->u2_frm_wd_y; |
| 1817 | UWORD16 u4_chroma_wd = ps_dec->u2_frm_wd_uv; |
| 1818 | WORD8 c_i = 0; |
| 1819 | dec_seq_params_t *ps_sps = ps_dec->ps_cur_sps; |
| 1820 | UWORD32 u4_total_mbs = ps_sps->u2_total_num_of_mbs << uc_frmOrFld; |
| 1821 | UWORD32 u4_wd_mbs = ps_dec->u2_frm_wd_in_mbs; |
| 1822 | UWORD32 u4_ht_mbs = ps_dec->u2_frm_ht_in_mbs; |
| 1823 | UWORD32 u4_blk_wd; |
| 1824 | UWORD32 ui_size = 0; |
| 1825 | UWORD32 u4_int_scratch_size = 0, u4_ref_pred_size = 0; |
| 1826 | UWORD8 *pu1_buf; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1827 | WORD32 num_entries; |
| 1828 | WORD32 size; |
| 1829 | void *pv_buf; |
| 1830 | UWORD32 u4_num_bufs; |
| 1831 | UWORD32 u4_luma_size, u4_chroma_size; |
| 1832 | void *pv_mem_ctxt = ps_dec->pv_mem_ctxt; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1833 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1834 | size = u4_total_mbs; |
| 1835 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1836 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1837 | ps_dec->pu1_dec_mb_map = pv_buf; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1838 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1839 | size = u4_total_mbs; |
| 1840 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1841 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1842 | ps_dec->pu1_recon_mb_map = pv_buf; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1843 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1844 | size = u4_total_mbs * sizeof(UWORD16); |
| 1845 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1846 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1847 | ps_dec->pu2_slice_num_map = pv_buf; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1848 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1849 | /************************************************************/ |
| 1850 | /* Post allocation Initialisations */ |
| 1851 | /************************************************************/ |
| 1852 | ps_dec->ps_parse_cur_slice = &(ps_dec->ps_dec_slice_buf[0]); |
| 1853 | ps_dec->ps_decode_cur_slice = &(ps_dec->ps_dec_slice_buf[0]); |
| 1854 | ps_dec->ps_computebs_cur_slice = &(ps_dec->ps_dec_slice_buf[0]); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1855 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1856 | ps_dec->ps_pred_start = ps_dec->ps_pred; |
| 1857 | |
| 1858 | size = sizeof(parse_pmbarams_t) * (ps_dec->u1_recon_mb_grp); |
| 1859 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1860 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
Hamsalekha S | 2575ae6 | 2017-04-05 11:11:39 +0530 | [diff] [blame] | 1861 | memset(pv_buf, 0, size); |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1862 | ps_dec->ps_parse_mb_data = pv_buf; |
| 1863 | |
| 1864 | size = sizeof(parse_part_params_t) |
| 1865 | * ((ps_dec->u1_recon_mb_grp) << 4); |
| 1866 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1867 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1868 | ps_dec->ps_parse_part_params = pv_buf; |
| 1869 | |
| 1870 | size = ((u4_wd_mbs * sizeof(deblkmb_neighbour_t)) << uc_frmOrFld); |
| 1871 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1872 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1873 | ps_dec->ps_deblk_top_mb = pv_buf; |
| 1874 | |
| 1875 | size = ((sizeof(ctxt_inc_mb_info_t)) |
| 1876 | * (((u4_wd_mbs + 1) << uc_frmOrFld) + 1)); |
| 1877 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1878 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1879 | ps_dec->p_ctxt_inc_mb_map = pv_buf; |
| 1880 | |
Harish Mahendrakar | bd67b74 | 2016-04-26 16:28:57 +0530 | [diff] [blame] | 1881 | /* 0th entry of CtxtIncMbMap will be always be containing default values |
| 1882 | for CABAC context representing MB not available */ |
| 1883 | ps_dec->p_ctxt_inc_mb_map += 1; |
| 1884 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1885 | size = (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp |
| 1886 | * 16); |
| 1887 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1888 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1889 | ps_dec->ps_mv_p[0] = pv_buf; |
| 1890 | |
| 1891 | size = (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp |
| 1892 | * 16); |
| 1893 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1894 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1895 | ps_dec->ps_mv_p[1] = pv_buf; |
| 1896 | |
| 1897 | { |
| 1898 | UWORD8 i; |
| 1899 | for(i = 0; i < MV_SCRATCH_BUFS; i++) |
| 1900 | { |
| 1901 | size = (sizeof(mv_pred_t) |
| 1902 | * ps_dec->u1_recon_mb_grp * 4); |
| 1903 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1904 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1905 | ps_dec->ps_mv_top_p[i] = pv_buf; |
| 1906 | } |
| 1907 | } |
| 1908 | |
Harish Mahendrakar | 07ae78b | 2015-08-26 08:58:53 +0530 | [diff] [blame] | 1909 | size = sizeof(UWORD8) * ((u4_wd_mbs + 2) * MB_SIZE) * 2; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1910 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1911 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1912 | ps_dec->pu1_y_intra_pred_line = pv_buf; |
| 1913 | memset(ps_dec->pu1_y_intra_pred_line, 0, size); |
Harish Mahendrakar | 07ae78b | 2015-08-26 08:58:53 +0530 | [diff] [blame] | 1914 | ps_dec->pu1_y_intra_pred_line += MB_SIZE; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1915 | |
Harish Mahendrakar | 07ae78b | 2015-08-26 08:58:53 +0530 | [diff] [blame] | 1916 | size = sizeof(UWORD8) * ((u4_wd_mbs + 2) * MB_SIZE) * 2; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1917 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1918 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1919 | ps_dec->pu1_u_intra_pred_line = pv_buf; |
| 1920 | memset(ps_dec->pu1_u_intra_pred_line, 0, size); |
Harish Mahendrakar | 07ae78b | 2015-08-26 08:58:53 +0530 | [diff] [blame] | 1921 | ps_dec->pu1_u_intra_pred_line += MB_SIZE; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1922 | |
Harish Mahendrakar | 07ae78b | 2015-08-26 08:58:53 +0530 | [diff] [blame] | 1923 | size = sizeof(UWORD8) * ((u4_wd_mbs + 2) * MB_SIZE) * 2; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1924 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1925 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1926 | ps_dec->pu1_v_intra_pred_line = pv_buf; |
| 1927 | memset(ps_dec->pu1_v_intra_pred_line, 0, size); |
Harish Mahendrakar | 07ae78b | 2015-08-26 08:58:53 +0530 | [diff] [blame] | 1928 | ps_dec->pu1_v_intra_pred_line += MB_SIZE; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1929 | |
| 1930 | if(ps_dec->u1_separate_parse) |
| 1931 | { |
Harish Mahendrakar | 9b095de | 2016-12-15 18:04:53 +0530 | [diff] [blame] | 1932 | /* Needs one extra row of info, to hold top row data */ |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1933 | size = sizeof(mb_neigbour_params_t) |
Harish Mahendrakar | 9b095de | 2016-12-15 18:04:53 +0530 | [diff] [blame] | 1934 | * 2 * ((u4_wd_mbs + 2) * (u4_ht_mbs + 1)); |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1935 | } |
| 1936 | else |
| 1937 | { |
| 1938 | size = sizeof(mb_neigbour_params_t) |
| 1939 | * 2 * ((u4_wd_mbs + 2) << uc_frmOrFld); |
| 1940 | } |
| 1941 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1942 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1943 | |
| 1944 | ps_dec->ps_nbr_mb_row = pv_buf; |
| 1945 | memset(ps_dec->ps_nbr_mb_row, 0, size); |
| 1946 | |
| 1947 | /* Allocate deblock MB info */ |
| 1948 | size = (u4_total_mbs + u4_wd_mbs) * sizeof(deblk_mb_t); |
| 1949 | |
| 1950 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1951 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1952 | ps_dec->ps_deblk_pic = pv_buf; |
| 1953 | |
| 1954 | memset(ps_dec->ps_deblk_pic, 0, size); |
| 1955 | |
| 1956 | /* Allocate frame level mb info */ |
| 1957 | size = sizeof(dec_mb_info_t) * u4_total_mbs; |
| 1958 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1959 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1960 | ps_dec->ps_frm_mb_info = pv_buf; |
| 1961 | memset(ps_dec->ps_frm_mb_info, 0, size); |
| 1962 | |
| 1963 | /* Allocate memory for slice headers dec_slice_struct_t */ |
| 1964 | num_entries = MAX_FRAMES; |
| 1965 | if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) && |
| 1966 | (0 == ps_dec->i4_display_delay)) |
| 1967 | { |
| 1968 | num_entries = 1; |
| 1969 | } |
| 1970 | num_entries = ((2 * num_entries) + 1); |
Hamsalekha S | a925a6b | 2017-04-21 11:01:52 +0530 | [diff] [blame] | 1971 | num_entries *= 2; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1972 | |
| 1973 | size = num_entries * sizeof(void *); |
| 1974 | size += PAD_MAP_IDX_POC * sizeof(void *); |
| 1975 | size *= u4_total_mbs; |
| 1976 | size += sizeof(dec_slice_struct_t) * u4_total_mbs; |
| 1977 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1978 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1979 | |
| 1980 | ps_dec->ps_dec_slice_buf = pv_buf; |
| 1981 | memset(ps_dec->ps_dec_slice_buf, 0, size); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1982 | pu1_buf = (UWORD8 *)ps_dec->ps_dec_slice_buf; |
| 1983 | pu1_buf += sizeof(dec_slice_struct_t) * u4_total_mbs; |
| 1984 | ps_dec->pv_map_ref_idx_to_poc_buf = (void *)pu1_buf; |
| 1985 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1986 | /* Allocate memory for packed pred info */ |
| 1987 | num_entries = u4_total_mbs; |
Hamsalekha S | 9008aed | 2017-05-08 17:21:56 +0530 | [diff] [blame] | 1988 | num_entries *= 16 * 2; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1989 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1990 | size = sizeof(pred_info_pkd_t) * num_entries; |
| 1991 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 1992 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 1993 | ps_dec->ps_pred_pkd = pv_buf; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1994 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1995 | /* Allocate memory for coeff data */ |
| 1996 | size = MB_LUM_SIZE * sizeof(WORD16); |
| 1997 | /*For I16x16 MBs, 16 4x4 AC coeffs and 1 4x4 DC coeff TU blocks will be sent |
| 1998 | For all MBs along with 8 4x4 AC coeffs 2 2x2 DC coeff TU blocks will be sent |
| 1999 | So use 17 4x4 TU blocks for luma and 9 4x4 TU blocks for chroma */ |
| 2000 | size += u4_total_mbs * (MAX(17 * sizeof(tu_sblk4x4_coeff_data_t),4 * sizeof(tu_blk8x8_coeff_data_t)) |
| 2001 | + 9 * sizeof(tu_sblk4x4_coeff_data_t)); |
| 2002 | //32 bytes for each mb to store u1_prev_intra4x4_pred_mode and u1_rem_intra4x4_pred_mode data |
| 2003 | size += u4_total_mbs * 32; |
| 2004 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 2005 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 2006 | |
| 2007 | ps_dec->pi2_coeff_data = pv_buf; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2008 | |
| 2009 | ps_dec->pv_pic_tu_coeff_data = (void *)(ps_dec->pi2_coeff_data + MB_LUM_SIZE); |
| 2010 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2011 | /* Allocate MV bank buffer */ |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2012 | { |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2013 | UWORD32 col_flag_buffer_size, mvpred_buffer_size; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2014 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2015 | col_flag_buffer_size = ((ps_dec->u2_pic_wd * ps_dec->u2_pic_ht) >> 4); |
| 2016 | mvpred_buffer_size = sizeof(mv_pred_t) |
| 2017 | * ((ps_dec->u2_pic_wd * (ps_dec->u2_pic_ht + PAD_MV_BANK_ROW)) >> 4); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2018 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2019 | u4_num_bufs = ps_dec->ps_cur_sps->u1_num_ref_frames + 1; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2020 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2021 | u4_num_bufs = MIN(u4_num_bufs, ps_dec->u1_pic_bufs); |
| 2022 | u4_num_bufs = MAX(u4_num_bufs, 2); |
| 2023 | size = ALIGN64(mvpred_buffer_size) + ALIGN64(col_flag_buffer_size); |
| 2024 | size *= u4_num_bufs; |
| 2025 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 2026 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 2027 | ps_dec->pu1_mv_bank_buf_base = pv_buf; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2028 | } |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2029 | |
| 2030 | /* Allocate Pic buffer */ |
| 2031 | u4_luma_size = ps_dec->u2_frm_wd_y * ps_dec->u2_frm_ht_y; |
| 2032 | u4_chroma_size = ps_dec->u2_frm_wd_uv * ps_dec->u2_frm_ht_uv; |
| 2033 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2034 | { |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2035 | if(ps_dec->u4_share_disp_buf == 1) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2036 | { |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2037 | /* In case of buffers getting shared between application and library |
| 2038 | there is no need of reference memtabs. Instead of setting the i4_size |
| 2039 | to zero, it is reduced to a small i4_size to ensure that changes |
| 2040 | in the code are minimal */ |
| 2041 | if((ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
| 2042 | || (ps_dec->u1_chroma_format == IV_YUV_420SP_VU) |
| 2043 | || (ps_dec->u1_chroma_format == IV_YUV_420P)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2044 | { |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2045 | u4_luma_size = 64; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2046 | } |
| 2047 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2048 | if(ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2049 | { |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2050 | u4_chroma_size = 64; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2051 | } |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2052 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2053 | } |
| 2054 | } |
| 2055 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2056 | size = ALIGN64(u4_luma_size) + ALIGN64(u4_chroma_size); |
| 2057 | size *= ps_dec->u1_pic_bufs; |
| 2058 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
| 2059 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
| 2060 | ps_dec->pu1_pic_buf_base = pv_buf; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2061 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2062 | /* Post allocation Increment Actions */ |
| 2063 | |
| 2064 | /***************************************************************************/ |
| 2065 | /*Initialize cabac context pointers for every SE that has fixed contextIdx */ |
| 2066 | /***************************************************************************/ |
| 2067 | { |
| 2068 | bin_ctxt_model_t * const p_cabac_ctxt_table_t = |
| 2069 | ps_dec->p_cabac_ctxt_table_t; |
| 2070 | bin_ctxt_model_t * * p_coeff_abs_level_minus1_t = |
| 2071 | ps_dec->p_coeff_abs_level_minus1_t; |
| 2072 | bin_ctxt_model_t * * p_cbf_t = ps_dec->p_cbf_t; |
| 2073 | |
| 2074 | ps_dec->p_mb_field_dec_flag_t = p_cabac_ctxt_table_t |
| 2075 | + MB_FIELD_DECODING_FLAG; |
| 2076 | ps_dec->p_prev_intra4x4_pred_mode_flag_t = p_cabac_ctxt_table_t |
| 2077 | + PREV_INTRA4X4_PRED_MODE_FLAG; |
| 2078 | ps_dec->p_rem_intra4x4_pred_mode_t = p_cabac_ctxt_table_t |
| 2079 | + REM_INTRA4X4_PRED_MODE; |
| 2080 | ps_dec->p_intra_chroma_pred_mode_t = p_cabac_ctxt_table_t |
| 2081 | + INTRA_CHROMA_PRED_MODE; |
| 2082 | ps_dec->p_mb_qp_delta_t = p_cabac_ctxt_table_t + MB_QP_DELTA; |
| 2083 | ps_dec->p_ref_idx_t = p_cabac_ctxt_table_t + REF_IDX; |
| 2084 | ps_dec->p_mvd_x_t = p_cabac_ctxt_table_t + MVD_X; |
| 2085 | ps_dec->p_mvd_y_t = p_cabac_ctxt_table_t + MVD_Y; |
| 2086 | p_cbf_t[0] = p_cabac_ctxt_table_t + CBF + 0; |
| 2087 | p_cbf_t[1] = p_cabac_ctxt_table_t + CBF + 4; |
| 2088 | p_cbf_t[2] = p_cabac_ctxt_table_t + CBF + 8; |
| 2089 | p_cbf_t[3] = p_cabac_ctxt_table_t + CBF + 12; |
| 2090 | p_cbf_t[4] = p_cabac_ctxt_table_t + CBF + 16; |
| 2091 | ps_dec->p_cbp_luma_t = p_cabac_ctxt_table_t + CBP_LUMA; |
| 2092 | ps_dec->p_cbp_chroma_t = p_cabac_ctxt_table_t + CBP_CHROMA; |
| 2093 | |
| 2094 | p_coeff_abs_level_minus1_t[LUMA_DC_CTXCAT] = p_cabac_ctxt_table_t |
| 2095 | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_0_OFFSET; |
| 2096 | |
| 2097 | p_coeff_abs_level_minus1_t[LUMA_AC_CTXCAT] = p_cabac_ctxt_table_t |
| 2098 | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_1_OFFSET; |
| 2099 | |
| 2100 | p_coeff_abs_level_minus1_t[LUMA_4X4_CTXCAT] = p_cabac_ctxt_table_t |
| 2101 | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_2_OFFSET; |
| 2102 | |
| 2103 | p_coeff_abs_level_minus1_t[CHROMA_DC_CTXCAT] = p_cabac_ctxt_table_t |
| 2104 | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_3_OFFSET; |
| 2105 | |
| 2106 | p_coeff_abs_level_minus1_t[CHROMA_AC_CTXCAT] = p_cabac_ctxt_table_t |
| 2107 | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_4_OFFSET; |
| 2108 | |
| 2109 | p_coeff_abs_level_minus1_t[LUMA_8X8_CTXCAT] = p_cabac_ctxt_table_t |
| 2110 | + COEFF_ABS_LEVEL_MINUS1_8X8 |
| 2111 | + COEFF_ABS_LEVEL_CAT_5_OFFSET; |
| 2112 | |
| 2113 | /********************************************************/ |
| 2114 | /* context for the high profile related syntax elements */ |
| 2115 | /* This is maintained seperately in s_high_profile */ |
| 2116 | /********************************************************/ |
| 2117 | { |
| 2118 | |
| 2119 | ps_dec->s_high_profile.ps_transform8x8_flag = p_cabac_ctxt_table_t |
| 2120 | + TRANSFORM_SIZE_8X8_FLAG; |
| 2121 | |
| 2122 | ps_dec->s_high_profile.ps_sigcoeff_8x8_frame = p_cabac_ctxt_table_t |
| 2123 | + SIGNIFICANT_COEFF_FLAG_8X8_FRAME; |
| 2124 | |
| 2125 | ps_dec->s_high_profile.ps_last_sigcoeff_8x8_frame = |
| 2126 | p_cabac_ctxt_table_t |
| 2127 | + LAST_SIGNIFICANT_COEFF_FLAG_8X8_FRAME; |
| 2128 | |
| 2129 | ps_dec->s_high_profile.ps_coeff_abs_levelminus1 = |
| 2130 | p_cabac_ctxt_table_t + COEFF_ABS_LEVEL_MINUS1_8X8; |
| 2131 | |
| 2132 | ps_dec->s_high_profile.ps_sigcoeff_8x8_field = p_cabac_ctxt_table_t |
| 2133 | + SIGNIFICANT_COEFF_FLAG_8X8_FIELD; |
| 2134 | |
| 2135 | ps_dec->s_high_profile.ps_last_sigcoeff_8x8_field = |
| 2136 | p_cabac_ctxt_table_t |
| 2137 | + LAST_SIGNIFICANT_COEFF_FLAG_8X8_FIELD; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2138 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2139 | } |
| 2140 | return (i16_status); |
| 2141 | } |
| 2142 | |
| 2143 | /*! |
| 2144 | ************************************************************************** |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2145 | * \if Function name : ih264d_free_dynamic_bufs \endif |
| 2146 | * |
| 2147 | * \brief |
| 2148 | * This function frees dynamic memory allocated by Decoder. |
| 2149 | * |
| 2150 | * \param ps_dec: Pointer to dec_struct_t. |
| 2151 | * |
| 2152 | * \return |
| 2153 | * Returns i4_status as returned by MemManager. |
| 2154 | * |
| 2155 | ************************************************************************** |
| 2156 | */ |
| 2157 | WORD16 ih264d_free_dynamic_bufs(dec_struct_t * ps_dec) |
| 2158 | { |
| 2159 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_bits_buf_dynamic); |
| 2160 | |
| 2161 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_deblk_pic); |
| 2162 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_dec_mb_map); |
| 2163 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_recon_mb_map); |
| 2164 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu2_slice_num_map); |
| 2165 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_dec_slice_buf); |
| 2166 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_frm_mb_info); |
| 2167 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pi2_coeff_data); |
| 2168 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_parse_mb_data); |
| 2169 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_parse_part_params); |
| 2170 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_deblk_top_mb); |
| 2171 | |
| 2172 | if(ps_dec->p_ctxt_inc_mb_map) |
| 2173 | { |
| 2174 | ps_dec->p_ctxt_inc_mb_map -= 1; |
| 2175 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->p_ctxt_inc_mb_map); |
| 2176 | } |
| 2177 | |
| 2178 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_p[0]); |
| 2179 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_p[1]); |
| 2180 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_pred_pkd); |
| 2181 | { |
| 2182 | UWORD8 i; |
| 2183 | for(i = 0; i < MV_SCRATCH_BUFS; i++) |
| 2184 | { |
| 2185 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_top_p[i]); |
| 2186 | } |
| 2187 | } |
| 2188 | |
Harish Mahendrakar | 07ae78b | 2015-08-26 08:58:53 +0530 | [diff] [blame] | 2189 | if(ps_dec->pu1_y_intra_pred_line) |
| 2190 | { |
| 2191 | ps_dec->pu1_y_intra_pred_line -= MB_SIZE; |
| 2192 | } |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2193 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_y_intra_pred_line); |
Harish Mahendrakar | 07ae78b | 2015-08-26 08:58:53 +0530 | [diff] [blame] | 2194 | |
| 2195 | if(ps_dec->pu1_u_intra_pred_line) |
| 2196 | { |
| 2197 | ps_dec->pu1_u_intra_pred_line -= MB_SIZE; |
| 2198 | } |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2199 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_u_intra_pred_line); |
Harish Mahendrakar | 07ae78b | 2015-08-26 08:58:53 +0530 | [diff] [blame] | 2200 | |
| 2201 | if(ps_dec->pu1_v_intra_pred_line) |
| 2202 | { |
| 2203 | ps_dec->pu1_v_intra_pred_line -= MB_SIZE; |
| 2204 | } |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2205 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_v_intra_pred_line); |
| 2206 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_nbr_mb_row); |
| 2207 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_mv_bank_buf_base); |
| 2208 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_pic_buf_base); |
| 2209 | return 0; |
| 2210 | } |
| 2211 | |
| 2212 | /*! |
| 2213 | ************************************************************************** |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2214 | * \if Function name : ih264d_create_mv_bank \endif |
| 2215 | * |
| 2216 | * \brief |
| 2217 | * This function creates MV bank. |
| 2218 | * |
| 2219 | * \param memType : Type of memory being handled |
| 2220 | * 0: Display Buffer |
| 2221 | * 1: Decoder Buffer |
| 2222 | * 2: Internal Buffer |
| 2223 | * \param u1_num_of_buf: Number of decode or display buffers. |
| 2224 | * \param u4_wd : Frame width. |
| 2225 | * \param u4_ht : Frame Height. |
| 2226 | * \param ps_pic_buf_api : Pointer to Picture Buffer API. |
| 2227 | * \param ih264d_dec_mem_manager : Memory manager utility supplied by system. |
| 2228 | * |
| 2229 | * \return |
| 2230 | * 0 on Success and -1 on error |
| 2231 | * |
| 2232 | ************************************************************************** |
| 2233 | */ |
| 2234 | WORD32 ih264d_create_mv_bank(void *pv_dec, |
| 2235 | UWORD32 ui_width, |
| 2236 | UWORD32 ui_height) |
| 2237 | { |
| 2238 | UWORD8 i; |
| 2239 | UWORD32 col_flag_buffer_size, mvpred_buffer_size; |
| 2240 | UWORD8 *pu1_mv_buf_mgr_base, *pu1_mv_bank_base; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2241 | col_mv_buf_t *ps_col_mv; |
| 2242 | mv_pred_t *ps_mv; |
| 2243 | UWORD8 *pu1_col_zero_flag_buf; |
| 2244 | dec_struct_t *ps_dec = (dec_struct_t *)pv_dec; |
| 2245 | WORD32 buf_ret; |
Hamsalekha S | 8a50328 | 2015-07-28 14:41:24 +0530 | [diff] [blame] | 2246 | UWORD32 u4_num_bufs; |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2247 | UWORD8 *pu1_buf; |
| 2248 | WORD32 size; |
| 2249 | void *pv_mem_ctxt = ps_dec->pv_mem_ctxt; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2250 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2251 | col_flag_buffer_size = ((ui_width * ui_height) >> 4); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2252 | mvpred_buffer_size = sizeof(mv_pred_t) |
| 2253 | * ((ui_width * (ui_height + PAD_MV_BANK_ROW)) >> 4); |
| 2254 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2255 | ih264_buf_mgr_init((buf_mgr_t *)ps_dec->pv_mv_buf_mgr); |
| 2256 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2257 | ps_col_mv = ps_dec->ps_col_mv_base; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2258 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2259 | u4_num_bufs = ps_dec->ps_cur_sps->u1_num_ref_frames + 1; |
Hamsalekha S | 8a50328 | 2015-07-28 14:41:24 +0530 | [diff] [blame] | 2260 | |
| 2261 | u4_num_bufs = MIN(u4_num_bufs, ps_dec->u1_pic_bufs); |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2262 | u4_num_bufs = MAX(u4_num_bufs, 2); |
| 2263 | pu1_buf = ps_dec->pu1_mv_bank_buf_base; |
Hamsalekha S | 8a50328 | 2015-07-28 14:41:24 +0530 | [diff] [blame] | 2264 | for(i = 0 ; i < u4_num_bufs ; i++) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2265 | { |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2266 | pu1_col_zero_flag_buf = pu1_buf; |
| 2267 | pu1_buf += ALIGN64(col_flag_buffer_size); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2268 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2269 | ps_mv = (mv_pred_t *)pu1_buf; |
| 2270 | pu1_buf += ALIGN64(mvpred_buffer_size); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2271 | |
Harish Mahendrakar | 251b007 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 2272 | memset(ps_mv, 0, ((ui_width * OFFSET_MV_BANK_ROW) >> 4) * sizeof(mv_pred_t)); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2273 | ps_mv += (ui_width*OFFSET_MV_BANK_ROW) >> 4; |
| 2274 | |
| 2275 | ps_col_mv->pv_col_zero_flag = (void *)pu1_col_zero_flag_buf; |
| 2276 | ps_col_mv->pv_mv = (void *)ps_mv; |
| 2277 | buf_ret = ih264_buf_mgr_add((buf_mgr_t *)ps_dec->pv_mv_buf_mgr, ps_col_mv, i); |
| 2278 | if(0 != buf_ret) |
| 2279 | { |
| 2280 | ps_dec->i4_error_code = ERROR_BUF_MGR; |
| 2281 | return ERROR_BUF_MGR; |
| 2282 | } |
| 2283 | ps_col_mv++; |
| 2284 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2285 | return OK; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2286 | } |
| 2287 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 2288 | void ih264d_unpack_coeff4x4_dc_4x4blk(tu_sblk4x4_coeff_data_t *ps_tu_4x4, |
| 2289 | WORD16 *pi2_out_coeff_data, |
| 2290 | UWORD8 *pu1_inv_scan) |
| 2291 | { |
| 2292 | UWORD16 u2_sig_coeff_map = ps_tu_4x4->u2_sig_coeff_map; |
| 2293 | WORD32 idx; |
| 2294 | WORD16 *pi2_coeff_data = &ps_tu_4x4->ai2_level[0]; |
| 2295 | |
| 2296 | while(u2_sig_coeff_map) |
| 2297 | { |
| 2298 | idx = CLZ(u2_sig_coeff_map); |
| 2299 | |
| 2300 | idx = 31 - idx; |
| 2301 | RESET_BIT(u2_sig_coeff_map,idx); |
| 2302 | |
| 2303 | idx = pu1_inv_scan[idx]; |
| 2304 | pi2_out_coeff_data[idx] = *pi2_coeff_data++; |
| 2305 | |
| 2306 | } |
| 2307 | } |