1 /****************************************************************************** 2 * 3 * Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore 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 /** 19 ******************************************************************************* 20 * @file 21 * ihevcd_process_slice.c 22 * 23 * @brief 24 * Contains functions for processing slice data 25 * 26 * @author 27 * Harish 28 * 29 * @par List of Functions: 30 * 31 * @remarks 32 * None 33 * 34 ******************************************************************************* 35 */ 36 /*****************************************************************************/ 37 /* File Includes */ 38 /*****************************************************************************/ 39 #include <stdio.h> 40 #include <stddef.h> 41 #include <stdlib.h> 42 #include <string.h> 43 #include <assert.h> 44 45 #include "ihevc_typedefs.h" 46 #include "iv.h" 47 #include "ivd.h" 48 #include "ihevcd_cxa.h" 49 #include "ithread.h" 50 51 #include "ihevc_defs.h" 52 #include "ihevc_debug.h" 53 #include "ihevc_defs.h" 54 #include "ihevc_structs.h" 55 #include "ihevc_macros.h" 56 #include "ihevc_platform_macros.h" 57 #include "ihevc_cabac_tables.h" 58 #include "ihevc_padding.h" 59 #include "ihevc_iquant_itrans_recon.h" 60 #include "ihevc_chroma_iquant_itrans_recon.h" 61 #include "ihevc_recon.h" 62 #include "ihevc_chroma_recon.h" 63 #include "ihevc_iquant_recon.h" 64 #include "ihevc_chroma_iquant_recon.h" 65 #include "ihevc_intra_pred.h" 66 67 #include "ihevc_error.h" 68 #include "ihevc_common_tables.h" 69 #include "ihevc_quant_tables.h" 70 #include "ihevcd_common_tables.h" 71 72 #include "ihevcd_profile.h" 73 #include "ihevcd_trace.h" 74 #include "ihevcd_defs.h" 75 #include "ihevcd_function_selector.h" 76 #include "ihevcd_structs.h" 77 #include "ihevcd_error.h" 78 #include "ihevcd_nal.h" 79 #include "ihevcd_bitstream.h" 80 #include "ihevcd_job_queue.h" 81 #include "ihevcd_utils.h" 82 #include "ihevcd_debug.h" 83 #include "ihevcd_get_mv.h" 84 #include "ihevcd_inter_pred.h" 85 #include "ihevcd_iquant_itrans_recon_ctb.h" 86 #include "ihevcd_boundary_strength.h" 87 #include "ihevcd_deblk.h" 88 #include "ihevcd_fmt_conv.h" 89 #include "ihevcd_sao.h" 90 #include "ihevcd_profile.h" 91 92 IHEVCD_ERROR_T ihevcd_fmt_conv(codec_t *ps_codec, 93 process_ctxt_t *ps_proc, 94 UWORD8 *pu1_y_dst, 95 UWORD8 *pu1_u_dst, 96 UWORD8 *pu1_v_dst, 97 WORD32 cur_row, 98 WORD32 num_rows); 99 100 typedef enum 101 { 102 PROC_ALL, 103 PROC_INTER_PRED, 104 PROC_RECON, 105 PROC_DEBLK, 106 PROC_SAO 107 }proc_type_t; 108 109 void ihevcd_proc_map_check(process_ctxt_t *ps_proc, proc_type_t proc_type, WORD32 nctb) 110 { 111 tile_t *ps_tile = ps_proc->ps_tile; 112 sps_t *ps_sps = ps_proc->ps_sps; 113 pps_t *ps_pps = ps_proc->ps_pps; 114 codec_t *ps_codec = ps_proc->ps_codec; 115 WORD32 idx; 116 WORD32 nop_cnt; 117 WORD32 bit_pos = proc_type; 118 WORD32 bit_mask = (1 << bit_pos); 119 120 if(ps_proc->i4_check_proc_status) 121 { 122 nop_cnt = PROC_NOP_CNT; 123 while(1) 124 { 125 volatile UWORD8 *pu1_buf; 126 volatile WORD32 status; 127 status = 1; 128 /* Check if all dependencies for the next nCTBs are met */ 129 { 130 WORD32 x_pos; 131 132 { 133 /* Check if the top right of next nCTBs are processed */ 134 if(ps_proc->i4_ctb_y > 0) 135 { 136 x_pos = (ps_proc->i4_ctb_tile_x + nctb); 137 idx = MIN(x_pos, (ps_tile->u2_wd - 1)); 138 139 /* Check if top-right CTB for the last CTB in nCTB is within the tile */ 140 { 141 idx += ps_tile->u1_pos_x; 142 idx += ((ps_proc->i4_ctb_y - 1) 143 * ps_sps->i2_pic_wd_in_ctb); 144 pu1_buf = (ps_codec->pu1_proc_map + idx); 145 status = *pu1_buf & bit_mask; 146 } 147 } 148 } 149 150 /* If tiles are enabled, then test left and top-left as well */ 151 ps_pps = ps_proc->ps_pps; 152 if(ps_pps->i1_tiles_enabled_flag) 153 { 154 /*Check if left ctb is processed*/ 155 if((ps_proc->i4_ctb_x > 0) && ((0 != status))) 156 { 157 x_pos = ps_tile->u1_pos_x + ps_proc->i4_ctb_tile_x - 1; 158 idx = x_pos + (ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb); 159 pu1_buf = (ps_codec->pu1_proc_map + idx); 160 status = *pu1_buf & bit_mask; 161 } 162 163 /*Check if top left ctb is processed*/ 164 if((ps_proc->i4_ctb_x > 0) && (0 != status) && (ps_proc->i4_ctb_y > 0)) 165 { 166 x_pos = ps_tile->u1_pos_x + ps_proc->i4_ctb_tile_x - 1; 167 idx = x_pos + ((ps_proc->i4_ctb_y - 1) * ps_sps->i2_pic_wd_in_ctb); 168 pu1_buf = (ps_codec->pu1_proc_map + idx); 169 status = *pu1_buf & bit_mask; 170 } 171 } 172 } 173 174 if(status) 175 break; 176 177 /* if dependencies are not met, then wait for few cycles. 178 * Even after few iterations, if the dependencies are not met then yield 179 */ 180 if(nop_cnt > 0) 181 { 182 NOP(128); 183 nop_cnt -= 128; 184 } 185 else 186 { 187 nop_cnt = PROC_NOP_CNT; 188 ithread_yield(); 189 //NOP(128 * 16); 190 } 191 } 192 DATA_SYNC(); 193 } 194 } 195 196 void ihevcd_proc_map_update(process_ctxt_t *ps_proc, proc_type_t proc_type, WORD32 nctb) 197 { 198 codec_t *ps_codec = ps_proc->ps_codec; 199 WORD32 i, idx; 200 WORD32 bit_pos = proc_type; 201 WORD32 bit_mask = (1 << bit_pos); 202 203 /* Update the current CTBs processing status */ 204 if(ps_proc->i4_check_proc_status) 205 { 206 DATA_SYNC(); 207 for(i = 0; i < nctb; i++) 208 { 209 sps_t *ps_sps = ps_proc->ps_sps; 210 UWORD8 *pu1_buf; 211 idx = (ps_proc->i4_ctb_x + i); 212 idx += ((ps_proc->i4_ctb_y) * ps_sps->i2_pic_wd_in_ctb); 213 pu1_buf = (ps_codec->pu1_proc_map + idx); 214 *pu1_buf = *pu1_buf | bit_mask; 215 } 216 } 217 } 218 219 220 void ihevcd_slice_hdr_update(process_ctxt_t *ps_proc) 221 { 222 223 /* Slice x and y are initialized in proc_init. But initialize slice x and y count here 224 * if a new slice begins at the middle of a row since proc_init is invoked only at the beginning of each row */ 225 if(!((ps_proc->i4_ctb_x == 0) && (ps_proc->i4_ctb_y == 0))) 226 { 227 slice_header_t *ps_slice_hdr_next = ps_proc->ps_codec->ps_slice_hdr_base + ((ps_proc->i4_cur_slice_idx + 1) & (MAX_SLICE_HDR_CNT - 1)); 228 229 if((ps_slice_hdr_next->i2_ctb_x == ps_proc->i4_ctb_x) 230 && (ps_slice_hdr_next->i2_ctb_y == ps_proc->i4_ctb_y)) 231 { 232 if(0 == ps_slice_hdr_next->i1_dependent_slice_flag) 233 { 234 ps_proc->i4_ctb_slice_x = 0; 235 ps_proc->i4_ctb_slice_y = 0; 236 } 237 238 ps_proc->i4_cur_slice_idx++; 239 ps_proc->ps_slice_hdr = ps_slice_hdr_next; 240 } 241 242 } 243 } 244 245 void ihevcd_ctb_pos_update(process_ctxt_t *ps_proc, WORD32 nctb) 246 { 247 WORD32 tile_start_ctb_idx, slice_start_ctb_idx; 248 slice_header_t *ps_slice_hdr = ps_proc->ps_slice_hdr; 249 tile_t *ps_tile = ps_proc->ps_tile; 250 sps_t *ps_sps = ps_proc->ps_sps; 251 252 /* Update x and y positions */ 253 ps_proc->i4_ctb_tile_x += nctb; 254 ps_proc->i4_ctb_x += nctb; 255 256 ps_proc->i4_ctb_slice_x += nctb; 257 /*If tile are enabled, then handle the tile & slice counters differently*/ 258 if(ps_proc->ps_pps->i1_tiles_enabled_flag) 259 { 260 /* Update slice counters*/ 261 slice_start_ctb_idx = ps_slice_hdr->i2_ctb_x + (ps_slice_hdr->i2_ctb_y * ps_sps->i2_pic_wd_in_ctb); 262 tile_start_ctb_idx = ps_tile->u1_pos_x + (ps_tile->u1_pos_y * ps_sps->i2_pic_wd_in_ctb); 263 /* 264 * There can be 2 cases where slice counters must be handled differently. 265 * 1 - Multiple tiles span across a single/one of the many slice. 266 * 2 - Multiple slices span across a single/one of the many tiles. 267 */ 268 269 /*Case 1 */ 270 if(slice_start_ctb_idx < tile_start_ctb_idx) 271 { 272 /*End of tile row*/ 273 if(ps_proc->i4_ctb_x > ps_slice_hdr->i2_ctb_x) 274 { 275 if(ps_proc->i4_ctb_slice_x >= (ps_tile->u2_wd + ps_tile->u1_pos_x)) 276 { 277 ps_proc->i4_ctb_slice_y++; 278 ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_slice_x 279 - ps_tile->u2_wd; 280 } 281 } 282 else 283 { 284 WORD32 temp_stride = (ps_sps->i2_pic_wd_in_ctb - ps_slice_hdr->i2_ctb_x); 285 if(ps_proc->i4_ctb_slice_x >= (temp_stride + ps_tile->u2_wd + ps_tile->u1_pos_x)) 286 { 287 ps_proc->i4_ctb_slice_y++; 288 ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_slice_x 289 - ps_tile->u2_wd; 290 } 291 } 292 } 293 /*Case 2*/ 294 else if(ps_proc->i4_ctb_slice_x >= (ps_tile->u2_wd)) 295 { 296 /*End of tile row*/ 297 ps_proc->i4_ctb_slice_y++; 298 ps_proc->i4_ctb_slice_x = 0; 299 } 300 } 301 else 302 { 303 if(ps_proc->i4_ctb_slice_x >= ps_tile->u2_wd) 304 { 305 ps_proc->i4_ctb_slice_y++; 306 ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_slice_x 307 - ps_tile->u2_wd; 308 } 309 } 310 } 311 312 void ihevcd_ctb_avail_update(process_ctxt_t *ps_proc) 313 { 314 slice_header_t *ps_slice_hdr = ps_proc->ps_slice_hdr; 315 sps_t *ps_sps = ps_proc->ps_sps; 316 tile_t *ps_tile_prev; 317 tile_t *ps_tile = ps_proc->ps_tile; 318 WORD32 cur_pu_idx; 319 WORD32 tile_start_ctb_idx, slice_start_ctb_idx; 320 WORD16 i2_wd_in_ctb; 321 WORD32 continuous_tiles = 0; 322 WORD32 cur_ctb_idx; 323 WORD32 check_tile_wd; 324 325 if((0 != ps_tile->u1_pos_x) && (0 != ps_tile->u1_pos_y)) 326 { 327 ps_tile_prev = ps_tile - 1; 328 } 329 else 330 { 331 ps_tile_prev = ps_tile; 332 } 333 334 335 check_tile_wd = ps_slice_hdr->i2_ctb_x + ps_tile_prev->u2_wd; 336 if(!(((check_tile_wd >= ps_sps->i2_pic_wd_in_ctb) && (check_tile_wd % ps_sps->i2_pic_wd_in_ctb == ps_tile->u1_pos_x)) 337 || ((ps_slice_hdr->i2_ctb_x == ps_tile->u1_pos_x)))) 338 { 339 continuous_tiles = 1; 340 } 341 342 slice_start_ctb_idx = ps_slice_hdr->i2_ctb_x + (ps_slice_hdr->i2_ctb_y * ps_sps->i2_pic_wd_in_ctb); 343 tile_start_ctb_idx = ps_tile->u1_pos_x + (ps_tile->u1_pos_y * ps_sps->i2_pic_wd_in_ctb); 344 345 if((slice_start_ctb_idx < tile_start_ctb_idx) && (continuous_tiles)) 346 { 347 //Slices span across multiple tiles. 348 i2_wd_in_ctb = ps_sps->i2_pic_wd_in_ctb; 349 } 350 else 351 { 352 i2_wd_in_ctb = ps_tile->u2_wd; 353 } 354 cur_ctb_idx = ps_proc->i4_ctb_x 355 + ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb); 356 357 /* Ctb level availability */ 358 /* Bottom left will not be available at a CTB level, no need to pass this */ 359 ps_proc->u1_top_ctb_avail = 1; 360 ps_proc->u1_left_ctb_avail = 1; 361 ps_proc->u1_top_lt_ctb_avail = 1; 362 ps_proc->u1_top_rt_ctb_avail = 1; 363 /* slice and tile boundaries */ 364 365 if((0 == ps_proc->i4_ctb_y) || (0 == ps_proc->i4_ctb_tile_y)) 366 { 367 ps_proc->u1_top_ctb_avail = 0; 368 ps_proc->u1_top_lt_ctb_avail = 0; 369 ps_proc->u1_top_rt_ctb_avail = 0; 370 } 371 372 if((0 == ps_proc->i4_ctb_x) || (0 == ps_proc->i4_ctb_tile_x)) 373 { 374 ps_proc->u1_left_ctb_avail = 0; 375 ps_proc->u1_top_lt_ctb_avail = 0; 376 if((0 == ps_proc->i4_ctb_slice_y) || (0 == ps_proc->i4_ctb_tile_y)) 377 { 378 ps_proc->u1_top_ctb_avail = 0; 379 if((i2_wd_in_ctb - 1) != ps_proc->i4_ctb_slice_x) 380 { 381 ps_proc->u1_top_rt_ctb_avail = 0; 382 } 383 } 384 } 385 /*For slices not beginning at start of a ctb row*/ 386 else if(ps_proc->i4_ctb_x > 0) 387 { 388 if((0 == ps_proc->i4_ctb_slice_y) || (0 == ps_proc->i4_ctb_tile_y)) 389 { 390 ps_proc->u1_top_ctb_avail = 0; 391 ps_proc->u1_top_lt_ctb_avail = 0; 392 if(0 == ps_proc->i4_ctb_slice_x) 393 { 394 ps_proc->u1_left_ctb_avail = 0; 395 } 396 if((i2_wd_in_ctb - 1) != ps_proc->i4_ctb_slice_x) 397 { 398 ps_proc->u1_top_rt_ctb_avail = 0; 399 } 400 } 401 else if((1 == ps_proc->i4_ctb_slice_y) && (0 == ps_proc->i4_ctb_slice_x)) 402 { 403 ps_proc->u1_top_lt_ctb_avail = 0; 404 } 405 } 406 407 if((ps_proc->i4_ctb_x == (ps_sps->i2_pic_wd_in_ctb - 1)) || ((ps_tile->u2_wd - 1) == ps_proc->i4_ctb_tile_x)) 408 { 409 ps_proc->u1_top_rt_ctb_avail = 0; 410 } 411 412 413 { 414 WORD32 next_ctb_idx; 415 next_ctb_idx = cur_ctb_idx + 1; 416 417 if(ps_tile->u2_wd == (ps_proc->i4_ctb_tile_x + 1)) 418 { 419 if((ps_proc->i4_ctb_tile_y + 1) == ps_tile->u2_ht) 420 { 421 //Last tile 422 if(((ps_proc->i4_ctb_tile_y + 1 + ps_tile->u1_pos_y) == ps_sps->i2_pic_ht_in_ctb) && ((ps_proc->i4_ctb_tile_x + 1 + ps_tile->u1_pos_x) == ps_sps->i2_pic_wd_in_ctb)) 423 { 424 next_ctb_idx = cur_ctb_idx + 1; 425 } 426 else //Not last tile, but new tile 427 { 428 tile_t *ps_tile_next = ps_proc->ps_tile + 1; 429 next_ctb_idx = ps_tile_next->u1_pos_x + (ps_tile_next->u1_pos_y * ps_sps->i2_pic_wd_in_ctb); 430 } 431 } 432 else //End of each tile row 433 { 434 next_ctb_idx = ((ps_tile->u1_pos_y + ps_proc->i4_ctb_tile_y + 1) * ps_sps->i2_pic_wd_in_ctb) + ps_tile->u1_pos_x; 435 } 436 } 437 ps_proc->i4_next_pu_ctb_cnt = next_ctb_idx; 438 ps_proc->i4_ctb_pu_cnt = 439 ps_proc->pu4_pic_pu_idx[next_ctb_idx] 440 - ps_proc->pu4_pic_pu_idx[cur_ctb_idx]; 441 cur_pu_idx = ps_proc->pu4_pic_pu_idx[cur_ctb_idx]; 442 ps_proc->i4_ctb_start_pu_idx = cur_pu_idx; 443 ps_proc->ps_pu = &ps_proc->ps_pic_pu[cur_pu_idx]; 444 } 445 } 446 447 void ihevcd_update_ctb_tu_cnt(process_ctxt_t *ps_proc) 448 { 449 sps_t *ps_sps = ps_proc->ps_sps; 450 codec_t *ps_codec = ps_proc->ps_codec; 451 WORD32 cur_ctb_idx; 452 453 cur_ctb_idx = ps_proc->i4_ctb_x 454 + ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb); 455 456 { 457 tile_t *ps_tile; 458 WORD32 next_ctb_tu_idx; 459 ps_tile = ps_proc->ps_tile; 460 461 462 if(1 == ps_codec->i4_num_cores) 463 { 464 next_ctb_tu_idx = cur_ctb_idx % RESET_TU_BUF_NCTB + 1; 465 if(ps_tile->u2_wd == (ps_proc->i4_ctb_tile_x + 1)) 466 { 467 if((ps_proc->i4_ctb_tile_y + 1) == ps_tile->u2_ht) 468 { 469 //Last tile 470 if(((ps_proc->i4_ctb_tile_y + 1 + ps_tile->u1_pos_y) == ps_sps->i2_pic_ht_in_ctb) && ((ps_proc->i4_ctb_tile_x + 1 + ps_tile->u1_pos_x) == ps_sps->i2_pic_wd_in_ctb)) 471 { 472 next_ctb_tu_idx = (cur_ctb_idx % RESET_TU_BUF_NCTB) + 1; 473 } 474 else //Not last tile, but new tile 475 { 476 tile_t *ps_tile_next = ps_proc->ps_tile + 1; 477 next_ctb_tu_idx = ps_tile_next->u1_pos_x + (ps_tile_next->u1_pos_y * ps_sps->i2_pic_wd_in_ctb); 478 } 479 } 480 else //End of each tile row 481 { 482 next_ctb_tu_idx = ((ps_tile->u1_pos_y + ps_proc->i4_ctb_tile_y + 1) * ps_sps->i2_pic_wd_in_ctb) + ps_tile->u1_pos_x; 483 } 484 } 485 ps_proc->i4_next_tu_ctb_cnt = next_ctb_tu_idx; 486 ps_proc->i4_ctb_tu_cnt = ps_proc->pu4_pic_tu_idx[next_ctb_tu_idx] - ps_proc->pu4_pic_tu_idx[cur_ctb_idx % RESET_TU_BUF_NCTB]; 487 } 488 else 489 { 490 next_ctb_tu_idx = cur_ctb_idx + 1; 491 if(ps_tile->u2_wd == (ps_proc->i4_ctb_tile_x + 1)) 492 { 493 if((ps_proc->i4_ctb_tile_y + 1) == ps_tile->u2_ht) 494 { 495 //Last tile 496 if(((ps_proc->i4_ctb_tile_y + 1 + ps_tile->u1_pos_y) == ps_sps->i2_pic_ht_in_ctb) && ((ps_proc->i4_ctb_tile_x + 1 + ps_tile->u1_pos_x) == ps_sps->i2_pic_wd_in_ctb)) 497 { 498 next_ctb_tu_idx = (cur_ctb_idx % RESET_TU_BUF_NCTB) + 1; 499 } 500 else //Not last tile, but new tile 501 { 502 tile_t *ps_tile_next = ps_proc->ps_tile + 1; 503 next_ctb_tu_idx = ps_tile_next->u1_pos_x + (ps_tile_next->u1_pos_y * ps_sps->i2_pic_wd_in_ctb); 504 } 505 } 506 else //End of each tile row 507 { 508 next_ctb_tu_idx = ((ps_tile->u1_pos_y + ps_proc->i4_ctb_tile_y + 1) * ps_sps->i2_pic_wd_in_ctb) + ps_tile->u1_pos_x; 509 } 510 } 511 ps_proc->i4_next_tu_ctb_cnt = next_ctb_tu_idx; 512 ps_proc->i4_ctb_tu_cnt = ps_proc->pu4_pic_tu_idx[next_ctb_tu_idx] - 513 ps_proc->pu4_pic_tu_idx[cur_ctb_idx]; 514 } 515 } 516 } 517 518 IHEVCD_ERROR_T ihevcd_process(process_ctxt_t *ps_proc) 519 { 520 IHEVCD_ERROR_T ret = (IHEVCD_ERROR_T)IHEVCD_SUCCESS; 521 codec_t *ps_codec; 522 sps_t *ps_sps = ps_proc->ps_sps; 523 524 WORD32 nctb; 525 WORD32 i; 526 WORD32 idx; 527 WORD32 nop_cnt; 528 WORD32 num_minpu_in_ctb; 529 WORD32 cur_slice_idx, cur_ctb_tile_x, cur_ctb_slice_x, cur_ctb_tile_y, cur_ctb_slice_y; 530 WORD32 nxt_ctb_slice_y, nxt_ctb_slice_x; 531 tu_t *ps_tu_cur, *ps_tu_nxt; 532 UWORD8 *pu1_pu_map_cur, *pu1_pu_map_nxt; 533 WORD32 num_ctb, num_ctb_tmp; 534 proc_type_t proc_type; 535 536 537 WORD32 ctb_size = 1 << ps_sps->i1_log2_ctb_size; 538 539 PROFILE_DISABLE_PROCESS_CTB(); 540 541 ps_codec = ps_proc->ps_codec; 542 num_minpu_in_ctb = (ctb_size / MIN_PU_SIZE) * (ctb_size / MIN_PU_SIZE); 543 544 nctb = MIN(ps_codec->i4_proc_nctb, ps_proc->i4_ctb_cnt); 545 nctb = MIN(nctb, (ps_proc->ps_tile->u2_wd - ps_proc->i4_ctb_tile_x)); 546 547 if(ps_proc->i4_cur_slice_idx > (MAX_SLICE_HDR_CNT - 2 * ps_sps->i2_pic_wd_in_ctb)) 548 { 549 num_ctb = 1; 550 } 551 else 552 { 553 num_ctb = ps_proc->i4_nctb; 554 } 555 nxt_ctb_slice_y = ps_proc->i4_ctb_slice_y; 556 nxt_ctb_slice_x = ps_proc->i4_ctb_slice_x; 557 pu1_pu_map_nxt = ps_proc->pu1_pu_map; 558 ps_tu_nxt = ps_proc->ps_tu; 559 560 while(ps_proc->i4_ctb_cnt) 561 { 562 ps_proc->i4_ctb_slice_y = nxt_ctb_slice_y; 563 ps_proc->i4_ctb_slice_x = nxt_ctb_slice_x; 564 ps_proc->pu1_pu_map = pu1_pu_map_nxt; 565 ps_proc->ps_tu = ps_tu_nxt; 566 567 cur_ctb_tile_x = ps_proc->i4_ctb_tile_x; 568 cur_ctb_tile_y = ps_proc->i4_ctb_tile_y; 569 cur_ctb_slice_x = ps_proc->i4_ctb_slice_x; 570 cur_ctb_slice_y = ps_proc->i4_ctb_slice_y; 571 cur_slice_idx = ps_proc->i4_cur_slice_idx; 572 ps_tu_cur = ps_proc->ps_tu; 573 pu1_pu_map_cur = ps_proc->pu1_pu_map; 574 proc_type = PROC_INTER_PRED; 575 576 if(ps_proc->i4_ctb_cnt < num_ctb) 577 { 578 num_ctb = ps_proc->i4_ctb_cnt; 579 } 580 num_ctb_tmp = num_ctb; 581 582 while(num_ctb_tmp) 583 { 584 slice_header_t *ps_slice_hdr; 585 tile_t *ps_tile = ps_proc->ps_tile; 586 587 /* Waiting for Parsing to be done*/ 588 { 589 590 591 nop_cnt = PROC_NOP_CNT; 592 if(ps_proc->i4_check_parse_status || ps_proc->i4_check_proc_status) 593 { 594 while(1) 595 { 596 volatile UWORD8 *pu1_buf; 597 volatile WORD32 status; 598 status = 1; 599 /* Check if all dependencies for the next nCTBs are met */ 600 /* Check if the next nCTBs are parsed */ 601 if(ps_proc->i4_check_parse_status) 602 { 603 idx = (ps_proc->i4_ctb_x + nctb - 1); 604 idx += (ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb); 605 pu1_buf = (ps_codec->pu1_parse_map + idx); 606 status = *pu1_buf; 607 } 608 609 if(status) 610 break; 611 612 /* if dependencies are not met, then wait for few cycles. 613 * Even after few iterations, if the dependencies are not met then yield 614 */ 615 if(nop_cnt > 0) 616 { 617 NOP(128); 618 nop_cnt -= 128; 619 } 620 else 621 { 622 nop_cnt = PROC_NOP_CNT; 623 ithread_yield(); 624 } 625 } 626 } 627 } 628 629 /* Check proc map to ensure dependencies for recon are met */ 630 ihevcd_proc_map_check(ps_proc, proc_type, nctb); 631 632 ihevcd_slice_hdr_update(ps_proc); 633 ps_slice_hdr = ps_proc->ps_slice_hdr; 634 635 //ihevcd_mv_prediction(); 636 //ihevcd_lvl_unpack(); 637 //ihevcd_inter_iq_it_recon(); 638 //Following does prediction, iq, it and recon on a TU by TU basis for intra TUs 639 //ihevcd_intra_process(); 640 //ihevcd_ctb_boundary_strength_islice(ps_proc, ctb_size); 641 //ihevcd_deblk_ctb(ps_proc); 642 643 /* iq,it recon of Intra TU */ 644 { 645 UWORD32 *pu4_ctb_top_pu_idx, *pu4_ctb_left_pu_idx, *pu4_ctb_top_left_pu_idx; 646 WORD32 cur_ctb_idx; 647 648 ihevcd_ctb_avail_update(ps_proc); 649 650 #if DEBUG_DUMP_FRAME_BUFFERS_INFO 651 au1_pic_avail_ctb_flags[ps_proc->i4_ctb_x + ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb] = 652 ((ps_proc->u1_top_ctb_avail << 3) | (ps_proc->u1_left_ctb_avail << 2) | (ps_proc->u1_top_lt_ctb_avail << 1) | (ps_proc->u1_top_rt_ctb_avail)); 653 au4_pic_ctb_slice_xy[ps_proc->i4_ctb_x + ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb] = 654 (((UWORD16)ps_proc->i4_ctb_slice_x << 16) | ((UWORD16)ps_proc->i4_ctb_slice_y << 16)); 655 #endif 656 657 /*************************************************/ 658 /**************** MV pred **********************/ 659 /*************************************************/ 660 if(PSLICE == ps_slice_hdr->i1_slice_type 661 || BSLICE == ps_slice_hdr->i1_slice_type) 662 { 663 mv_ctxt_t s_mv_ctxt; 664 665 pu4_ctb_top_pu_idx = ps_proc->pu4_pic_pu_idx_top 666 + (ps_proc->i4_ctb_x * ctb_size / MIN_PU_SIZE); 667 pu4_ctb_left_pu_idx = ps_proc->pu4_pic_pu_idx_left; 668 pu4_ctb_top_left_pu_idx = &ps_proc->u4_ctb_top_left_pu_idx; 669 670 /* Initializing s_mv_ctxt */ 671 if(ps_codec->i4_num_cores > MV_PRED_NUM_CORES_THRESHOLD) 672 { 673 s_mv_ctxt.ps_pps = ps_proc->ps_pps; 674 s_mv_ctxt.ps_sps = ps_proc->ps_sps; 675 s_mv_ctxt.ps_slice_hdr = ps_proc->ps_slice_hdr; 676 s_mv_ctxt.i4_ctb_x = ps_proc->i4_ctb_x; 677 s_mv_ctxt.i4_ctb_y = ps_proc->i4_ctb_y; 678 s_mv_ctxt.ps_pu = ps_proc->ps_pu; 679 s_mv_ctxt.ps_pic_pu = ps_proc->ps_pic_pu; 680 s_mv_ctxt.ps_tile = ps_tile; 681 s_mv_ctxt.pu4_pic_pu_idx_map = ps_proc->pu4_pic_pu_idx_map; 682 s_mv_ctxt.pu4_pic_pu_idx = ps_proc->pu4_pic_pu_idx; 683 s_mv_ctxt.pu1_pic_pu_map = ps_proc->pu1_pic_pu_map; 684 s_mv_ctxt.i4_ctb_pu_cnt = ps_proc->i4_ctb_pu_cnt; 685 s_mv_ctxt.i4_ctb_start_pu_idx = ps_proc->i4_ctb_start_pu_idx; 686 s_mv_ctxt.u1_top_ctb_avail = ps_proc->u1_top_ctb_avail; 687 s_mv_ctxt.u1_top_rt_ctb_avail = ps_proc->u1_top_rt_ctb_avail; 688 s_mv_ctxt.u1_top_lt_ctb_avail = ps_proc->u1_top_lt_ctb_avail; 689 s_mv_ctxt.u1_left_ctb_avail = ps_proc->u1_left_ctb_avail; 690 691 ihevcd_get_mv_ctb(&s_mv_ctxt, pu4_ctb_top_pu_idx, 692 pu4_ctb_left_pu_idx, pu4_ctb_top_left_pu_idx); 693 } 694 695 ihevcd_inter_pred_ctb(ps_proc); 696 } 697 else if(ps_codec->i4_num_cores > MV_PRED_NUM_CORES_THRESHOLD) 698 { 699 WORD32 next_ctb_idx, num_pu_per_ctb, ctb_start_pu_idx, pu_cnt; 700 pu_t *ps_pu; 701 WORD32 num_minpu_in_ctb = (ctb_size / MIN_PU_SIZE) * (ctb_size / MIN_PU_SIZE); 702 UWORD8 *pu1_pic_pu_map_ctb = ps_proc->pu1_pic_pu_map + 703 (ps_proc->i4_ctb_x + ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb) * num_minpu_in_ctb; 704 WORD32 row, col; 705 UWORD32 *pu4_nbr_pu_idx = ps_proc->pu4_pic_pu_idx_map; 706 WORD32 nbr_pu_idx_strd = MAX_CTB_SIZE / MIN_PU_SIZE + 2; 707 708 for(row = 0; row < ctb_size / MIN_PU_SIZE; row++) 709 { 710 for(col = 0; col < ctb_size / MIN_PU_SIZE; col++) 711 { 712 pu1_pic_pu_map_ctb[row * ctb_size / MIN_PU_SIZE + col] = 0; 713 } 714 } 715 /* Neighbor PU idx update inside CTB */ 716 /* 1byte per 4x4. Indicates the PU idx that 4x4 block belongs to */ 717 718 cur_ctb_idx = ps_proc->i4_ctb_x 719 + ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb); 720 next_ctb_idx = ps_proc->i4_next_pu_ctb_cnt; 721 num_pu_per_ctb = ps_proc->pu4_pic_pu_idx[next_ctb_idx] 722 - ps_proc->pu4_pic_pu_idx[cur_ctb_idx]; 723 ctb_start_pu_idx = ps_proc->pu4_pic_pu_idx[cur_ctb_idx]; 724 ps_pu = &ps_proc->ps_pic_pu[ctb_start_pu_idx]; 725 726 for(pu_cnt = 0; pu_cnt < num_pu_per_ctb; pu_cnt++, ps_pu++) 727 { 728 UWORD32 cur_pu_idx; 729 WORD32 pu_ht = (ps_pu->b4_ht + 1) << 2; 730 WORD32 pu_wd = (ps_pu->b4_wd + 1) << 2; 731 732 cur_pu_idx = ctb_start_pu_idx + pu_cnt; 733 734 for(row = 0; row < pu_ht / MIN_PU_SIZE; row++) 735 for(col = 0; col < pu_wd / MIN_PU_SIZE; col++) 736 pu4_nbr_pu_idx[(1 + ps_pu->b4_pos_x + col) 737 + (1 + ps_pu->b4_pos_y + row) 738 * nbr_pu_idx_strd] = 739 cur_pu_idx; 740 } 741 742 /* Updating Top and Left pointers */ 743 { 744 WORD32 rows_remaining = ps_sps->i2_pic_height_in_luma_samples 745 - (ps_proc->i4_ctb_y << ps_sps->i1_log2_ctb_size); 746 WORD32 ctb_size_left = MIN(ctb_size, rows_remaining); 747 748 /* Top Left */ 749 /* saving top left before updating top ptr, as updating top ptr will overwrite the top left for the next ctb */ 750 ps_proc->u4_ctb_top_left_pu_idx = ps_proc->pu4_pic_pu_idx_top[((ps_proc->i4_ctb_x + 1) * ctb_size / MIN_PU_SIZE) - 1]; 751 for(i = 0; i < ctb_size / MIN_PU_SIZE; i++) 752 { 753 /* Left */ 754 /* Last column of au4_nbr_pu_idx */ 755 ps_proc->pu4_pic_pu_idx_left[i] = 756 pu4_nbr_pu_idx[(ctb_size / MIN_PU_SIZE) + (i + 1) * nbr_pu_idx_strd]; 757 /* Top */ 758 /* Last row of au4_nbr_pu_idx */ 759 ps_proc->pu4_pic_pu_idx_top[(ps_proc->i4_ctb_x * ctb_size / MIN_PU_SIZE) + i] = 760 pu4_nbr_pu_idx[(ctb_size_left / MIN_PU_SIZE) * nbr_pu_idx_strd + i + 1]; 761 762 } 763 } 764 } 765 } 766 767 if(ps_proc->ps_pps->i1_tiles_enabled_flag) 768 { 769 /*Update the tile index buffer with tile information for the current ctb*/ 770 UWORD16 *pu1_tile_idx = ps_proc->pu1_tile_idx; 771 pu1_tile_idx[(ps_proc->i4_ctb_x + (ps_proc->i4_ctb_y * ps_sps->i2_pic_wd_in_ctb))] 772 = ps_proc->i4_cur_tile_idx; 773 } 774 775 /*************************************************/ 776 /*********** BS, QP and Deblocking **************/ 777 /*************************************************/ 778 /* Boundary strength call has to be after IQ IT recon since QP population needs ps_proc->i4_qp_const_inc_ctb flag */ 779 780 { 781 slice_header_t *ps_slice_hdr; 782 ps_slice_hdr = ps_proc->ps_slice_hdr; 783 784 785 /* Check if deblock is disabled for the current slice or if it is disabled for the current picture 786 * because of disable deblock api 787 */ 788 if(0 == ps_codec->i4_disable_deblk_pic) 789 { 790 if(ps_codec->i4_num_cores > MV_PRED_NUM_CORES_THRESHOLD) 791 { 792 /* Boundary strength calculation is done irrespective of whether deblocking is disabled 793 * in the slice or not, to handle deblocking slice boundaries */ 794 if((0 == ps_codec->i4_slice_error)) 795 { 796 ihevcd_update_ctb_tu_cnt(ps_proc); 797 ps_proc->s_bs_ctxt.ps_pps = ps_proc->ps_pps; 798 ps_proc->s_bs_ctxt.ps_sps = ps_proc->ps_sps; 799 ps_proc->s_bs_ctxt.ps_codec = ps_proc->ps_codec; 800 ps_proc->s_bs_ctxt.i4_ctb_tu_cnt = ps_proc->i4_ctb_tu_cnt; 801 ps_proc->s_bs_ctxt.i4_ctb_x = ps_proc->i4_ctb_x; 802 ps_proc->s_bs_ctxt.i4_ctb_y = ps_proc->i4_ctb_y; 803 ps_proc->s_bs_ctxt.i4_ctb_tile_x = ps_proc->i4_ctb_tile_x; 804 ps_proc->s_bs_ctxt.i4_ctb_tile_y = ps_proc->i4_ctb_tile_y; 805 ps_proc->s_bs_ctxt.i4_ctb_slice_x = ps_proc->i4_ctb_slice_x; 806 ps_proc->s_bs_ctxt.i4_ctb_slice_y = ps_proc->i4_ctb_slice_y; 807 ps_proc->s_bs_ctxt.ps_tu = ps_proc->ps_tu; 808 ps_proc->s_bs_ctxt.ps_pu = ps_proc->ps_pu; 809 ps_proc->s_bs_ctxt.pu4_pic_pu_idx_map = ps_proc->pu4_pic_pu_idx_map; 810 ps_proc->s_bs_ctxt.i4_next_pu_ctb_cnt = ps_proc->i4_next_pu_ctb_cnt; 811 ps_proc->s_bs_ctxt.i4_next_tu_ctb_cnt = ps_proc->i4_next_tu_ctb_cnt; 812 ps_proc->s_bs_ctxt.pu1_slice_idx = ps_proc->pu1_slice_idx; 813 ps_proc->s_bs_ctxt.ps_slice_hdr = ps_proc->ps_slice_hdr; 814 ps_proc->s_bs_ctxt.ps_tile = ps_proc->ps_tile; 815 816 if(ISLICE == ps_slice_hdr->i1_slice_type) 817 { 818 ihevcd_ctb_boundary_strength_islice(&ps_proc->s_bs_ctxt); 819 } 820 else 821 { 822 ihevcd_ctb_boundary_strength_pbslice(&ps_proc->s_bs_ctxt); 823 } 824 } 825 826 /* Boundary strength is set to zero if deblocking is disabled for the current slice */ 827 if((0 != ps_slice_hdr->i1_slice_disable_deblocking_filter_flag)) 828 { 829 WORD32 bs_strd = (ps_sps->i2_pic_wd_in_ctb + 1) * (ctb_size * ctb_size / 8 / 16); 830 831 UWORD32 *pu4_vert_bs = (UWORD32 *)((UWORD8 *)ps_proc->s_bs_ctxt.pu4_pic_vert_bs + 832 ps_proc->i4_ctb_x * (ctb_size * ctb_size / 8 / 16) + 833 ps_proc->i4_ctb_y * bs_strd); 834 UWORD32 *pu4_horz_bs = (UWORD32 *)((UWORD8 *)ps_proc->s_bs_ctxt.pu4_pic_horz_bs + 835 ps_proc->i4_ctb_x * (ctb_size * ctb_size / 8 / 16) + 836 ps_proc->i4_ctb_y * bs_strd); 837 838 memset(pu4_vert_bs, 0, (ctb_size / 8) * (ctb_size / 4) / 8 * 2); 839 memset(pu4_horz_bs, 0, (ctb_size / 8) * (ctb_size / 4) / 8 * 2); 840 } 841 } 842 } 843 } 844 845 /* Per CTB update the following */ 846 { 847 WORD32 cur_ctb_idx = ps_proc->i4_ctb_x 848 + ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb); 849 cur_ctb_idx++; 850 851 ps_proc->pu1_pu_map += nctb * num_minpu_in_ctb; 852 ps_proc->ps_tu += ps_proc->i4_ctb_tu_cnt; 853 if((1 == ps_codec->i4_num_cores) && 854 (0 == cur_ctb_idx % RESET_TU_BUF_NCTB)) 855 { 856 ps_proc->ps_tu = ps_proc->ps_pic_tu; 857 } 858 ps_proc->ps_pu += ps_proc->i4_ctb_pu_cnt; 859 } 860 861 /* Update proc map for recon*/ 862 ihevcd_proc_map_update(ps_proc, proc_type, nctb); 863 864 num_ctb_tmp -= nctb; 865 ihevcd_ctb_pos_update(ps_proc, nctb); 866 867 } 868 869 if(cur_slice_idx != ps_proc->i4_cur_slice_idx) 870 { 871 ps_proc->ps_slice_hdr = ps_codec->ps_slice_hdr_base + ((cur_slice_idx)&(MAX_SLICE_HDR_CNT - 1)); 872 ps_proc->i4_cur_slice_idx = cur_slice_idx; 873 } 874 /* Restore the saved variables */ 875 num_ctb_tmp = num_ctb; 876 ps_proc->i4_ctb_x -= num_ctb; 877 ps_proc->i4_ctb_tile_x = cur_ctb_tile_x; 878 ps_proc->i4_ctb_slice_x = cur_ctb_slice_x; 879 ps_proc->i4_ctb_tile_y = cur_ctb_tile_y; 880 ps_proc->i4_ctb_slice_y = cur_ctb_slice_y; 881 ps_proc->pu1_pu_map = pu1_pu_map_cur; 882 ps_proc->ps_tu = ps_tu_cur; 883 proc_type = PROC_RECON; 884 885 while(num_ctb_tmp) 886 { 887 888 /* Check proc map to ensure dependencies for recon are met */ 889 ihevcd_proc_map_check(ps_proc, proc_type, nctb); 890 891 ihevcd_slice_hdr_update(ps_proc); 892 893 { 894 895 ihevcd_ctb_avail_update(ps_proc); 896 897 /*************************************************/ 898 /**************** IQ IT RECON *******************/ 899 /*************************************************/ 900 901 ihevcd_update_ctb_tu_cnt(ps_proc); 902 903 /* When scaling matrix is not to be used(scaling_list_enable_flag is zero in SPS), 904 * default value of 16 has to be used. Since the value is same for all sizes, 905 * same table is used for all cases. 906 */ 907 if(0 == ps_sps->i1_scaling_list_enable_flag) 908 { 909 ps_proc->api2_dequant_intra_matrix[0] = 910 (WORD16 *)gi2_flat_scale_mat_32x32; 911 ps_proc->api2_dequant_intra_matrix[1] = 912 (WORD16 *)gi2_flat_scale_mat_32x32; 913 ps_proc->api2_dequant_intra_matrix[2] = 914 (WORD16 *)gi2_flat_scale_mat_32x32; 915 ps_proc->api2_dequant_intra_matrix[3] = 916 (WORD16 *)gi2_flat_scale_mat_32x32; 917 918 ps_proc->api2_dequant_inter_matrix[0] = 919 (WORD16 *)gi2_flat_scale_mat_32x32; 920 ps_proc->api2_dequant_inter_matrix[1] = 921 (WORD16 *)gi2_flat_scale_mat_32x32; 922 ps_proc->api2_dequant_inter_matrix[2] = 923 (WORD16 *)gi2_flat_scale_mat_32x32; 924 ps_proc->api2_dequant_inter_matrix[3] = 925 (WORD16 *)gi2_flat_scale_mat_32x32; 926 } 927 else 928 { 929 if(0 == ps_sps->i1_sps_scaling_list_data_present_flag) 930 { 931 ps_proc->api2_dequant_intra_matrix[0] = 932 (WORD16 *)gi2_flat_scale_mat_32x32; 933 ps_proc->api2_dequant_intra_matrix[1] = 934 (WORD16 *)gi2_intra_default_scale_mat_8x8; 935 ps_proc->api2_dequant_intra_matrix[2] = 936 (WORD16 *)gi2_intra_default_scale_mat_16x16; 937 ps_proc->api2_dequant_intra_matrix[3] = 938 (WORD16 *)gi2_intra_default_scale_mat_32x32; 939 940 ps_proc->api2_dequant_inter_matrix[0] = 941 (WORD16 *)gi2_flat_scale_mat_32x32; 942 ps_proc->api2_dequant_inter_matrix[1] = 943 (WORD16 *)gi2_inter_default_scale_mat_8x8; 944 ps_proc->api2_dequant_inter_matrix[2] = 945 (WORD16 *)gi2_inter_default_scale_mat_16x16; 946 ps_proc->api2_dequant_inter_matrix[3] = 947 (WORD16 *)gi2_inter_default_scale_mat_32x32; 948 } 949 /*TODO: Add support for custom scaling matrices */ 950 } 951 952 953 /* CTB Level pointers */ 954 ps_proc->pu1_cur_ctb_luma = ps_proc->pu1_cur_pic_luma 955 + (ps_proc->i4_ctb_x * ctb_size 956 + ps_proc->i4_ctb_y * ctb_size 957 * ps_codec->i4_strd); 958 ps_proc->pu1_cur_ctb_chroma = ps_proc->pu1_cur_pic_chroma 959 + ps_proc->i4_ctb_x * ctb_size 960 + (ps_proc->i4_ctb_y * ctb_size * ps_codec->i4_strd / 2); 961 962 ihevcd_iquant_itrans_recon_ctb(ps_proc); 963 } 964 965 /* Per CTB update the following */ 966 { 967 WORD32 cur_ctb_idx = ps_proc->i4_ctb_x 968 + ps_proc->i4_ctb_y * (ps_sps->i2_pic_wd_in_ctb); 969 cur_ctb_idx++; 970 971 ps_proc->pu1_pu_map += nctb * num_minpu_in_ctb; 972 ps_proc->ps_tu += ps_proc->i4_ctb_tu_cnt; 973 if((1 == ps_codec->i4_num_cores) && 974 (0 == cur_ctb_idx % RESET_TU_BUF_NCTB)) 975 { 976 ps_proc->ps_tu = ps_proc->ps_pic_tu; 977 } 978 ps_proc->ps_pu += ps_proc->i4_ctb_pu_cnt; 979 } 980 981 982 /* Update proc map for recon*/ 983 ihevcd_proc_map_update(ps_proc, proc_type, nctb); 984 985 num_ctb_tmp -= nctb; 986 ihevcd_ctb_pos_update(ps_proc, nctb); 987 } 988 989 if(cur_slice_idx != ps_proc->i4_cur_slice_idx) 990 { 991 ps_proc->ps_slice_hdr = ps_codec->ps_slice_hdr_base + ((cur_slice_idx)&(MAX_SLICE_HDR_CNT - 1)); 992 ps_proc->i4_cur_slice_idx = cur_slice_idx; 993 } 994 /* Restore the saved variables */ 995 num_ctb_tmp = num_ctb; 996 ps_proc->i4_ctb_x -= num_ctb; 997 ps_proc->i4_ctb_tile_x = cur_ctb_tile_x; 998 ps_proc->i4_ctb_slice_x = cur_ctb_slice_x; 999 ps_proc->i4_ctb_tile_y = cur_ctb_tile_y; 1000 ps_proc->i4_ctb_slice_y = cur_ctb_slice_y; 1001 pu1_pu_map_nxt = ps_proc->pu1_pu_map; 1002 ps_tu_nxt = ps_proc->ps_tu; 1003 ps_proc->pu1_pu_map = pu1_pu_map_cur; 1004 ps_proc->ps_tu = ps_tu_cur; 1005 proc_type = PROC_DEBLK; 1006 1007 while(num_ctb_tmp) 1008 { 1009 1010 1011 /* Check proc map to ensure dependencies for deblk are met */ 1012 ihevcd_proc_map_check(ps_proc, proc_type, nctb); 1013 1014 ihevcd_slice_hdr_update(ps_proc); 1015 1016 1017 if(((0 == FRAME_ILF_PAD || ps_codec->i4_num_cores != 1)) && 1018 (0 == ps_codec->i4_disable_deblk_pic)) 1019 { 1020 WORD32 i4_is_last_ctb_x = 0; 1021 WORD32 i4_is_last_ctb_y = 0; 1022 1023 1024 /* Deblocking is done irrespective of whether it is disabled in the slice or not, 1025 * to handle deblocking the slice boundaries */ 1026 { 1027 ps_proc->s_deblk_ctxt.ps_pps = ps_proc->ps_pps; 1028 ps_proc->s_deblk_ctxt.ps_sps = ps_proc->ps_sps; 1029 ps_proc->s_deblk_ctxt.ps_codec = ps_proc->ps_codec; 1030 ps_proc->s_deblk_ctxt.ps_slice_hdr = ps_proc->ps_slice_hdr; 1031 ps_proc->s_deblk_ctxt.i4_ctb_x = ps_proc->i4_ctb_x; 1032 ps_proc->s_deblk_ctxt.i4_ctb_y = ps_proc->i4_ctb_y; 1033 ps_proc->s_deblk_ctxt.pu1_slice_idx = ps_proc->pu1_slice_idx; 1034 ps_proc->s_deblk_ctxt.is_chroma_yuv420sp_vu = (ps_codec->e_ref_chroma_fmt == IV_YUV_420SP_VU); 1035 1036 /* Populating Current CTB's no_loop_filter flags */ 1037 { 1038 WORD32 row; 1039 WORD32 log2_ctb_size = ps_sps->i1_log2_ctb_size; 1040 1041 /* Loop filter strd in units of num bits */ 1042 WORD32 loop_filter_strd = ((ps_sps->i2_pic_width_in_luma_samples + 63) >> 6) << 3; 1043 /* Bit position is the current 8x8 bit offset wrt pic_no_loop_filter 1044 * bit_pos has to be a WOR32 so that when it is negative, the downshift still retains it to be a negative value */ 1045 WORD32 bit_pos = ((ps_proc->i4_ctb_y << (log2_ctb_size - 3)) - 1) * loop_filter_strd + (ps_proc->i4_ctb_x << (log2_ctb_size - 3)) - 1; 1046 1047 for(row = 0; row < (ctb_size >> 3) + 1; row++) 1048 { 1049 /* Go to the corresponding byte - read 32 bits and downshift */ 1050 ps_proc->s_deblk_ctxt.au2_ctb_no_loop_filter_flag[row] = (*(UWORD32 *)(ps_proc->pu1_pic_no_loop_filter_flag + (bit_pos >> 3))) >> (bit_pos & 7); 1051 bit_pos += loop_filter_strd; 1052 } 1053 } 1054 1055 ihevcd_deblk_ctb(&ps_proc->s_deblk_ctxt, i4_is_last_ctb_x, i4_is_last_ctb_y); 1056 1057 /* If the last CTB in the row was a complete CTB then deblocking has to be called from remaining pixels, since deblocking 1058 * is applied on a shifted CTB structure 1059 */ 1060 if(ps_proc->i4_ctb_x == ps_sps->i2_pic_wd_in_ctb - 1) 1061 { 1062 WORD32 i4_is_last_ctb_x = 1; 1063 WORD32 i4_is_last_ctb_y = 0; 1064 1065 WORD32 last_x_pos; 1066 last_x_pos = (ps_sps->i2_pic_wd_in_ctb << ps_sps->i1_log2_ctb_size); 1067 if(last_x_pos == ps_sps->i2_pic_width_in_luma_samples) 1068 { 1069 ihevcd_deblk_ctb(&ps_proc->s_deblk_ctxt, i4_is_last_ctb_x, i4_is_last_ctb_y); 1070 } 1071 } 1072 1073 1074 /* If the last CTB in the column was a complete CTB then deblocking has to be called from remaining pixels, since deblocking 1075 * is applied on a shifted CTB structure 1076 */ 1077 if(ps_proc->i4_ctb_y == ps_sps->i2_pic_ht_in_ctb - 1) 1078 { 1079 WORD32 i4_is_last_ctb_x = 0; 1080 WORD32 i4_is_last_ctb_y = 1; 1081 WORD32 last_y_pos; 1082 last_y_pos = (ps_sps->i2_pic_ht_in_ctb << ps_sps->i1_log2_ctb_size); 1083 if(last_y_pos == ps_sps->i2_pic_height_in_luma_samples) 1084 { 1085 ihevcd_deblk_ctb(&ps_proc->s_deblk_ctxt, i4_is_last_ctb_x, i4_is_last_ctb_y); 1086 } 1087 } 1088 } 1089 } 1090 1091 /* Update proc map for deblk*/ 1092 ihevcd_proc_map_update(ps_proc, proc_type, nctb); 1093 1094 num_ctb_tmp -= nctb; 1095 ihevcd_ctb_pos_update(ps_proc, nctb); 1096 } 1097 1098 if(cur_slice_idx != ps_proc->i4_cur_slice_idx) 1099 { 1100 ps_proc->ps_slice_hdr = ps_codec->ps_slice_hdr_base + ((cur_slice_idx)&(MAX_SLICE_HDR_CNT - 1)); 1101 ps_proc->i4_cur_slice_idx = cur_slice_idx; 1102 } 1103 /* Restore the saved variables */ 1104 num_ctb_tmp = num_ctb; 1105 ps_proc->i4_ctb_x -= num_ctb; 1106 ps_proc->i4_ctb_tile_x = cur_ctb_tile_x; 1107 ps_proc->i4_ctb_tile_y = cur_ctb_tile_y; 1108 ps_proc->pu1_pu_map = pu1_pu_map_cur; 1109 ps_proc->ps_tu = ps_tu_cur; 1110 nxt_ctb_slice_y = ps_proc->i4_ctb_slice_y; 1111 nxt_ctb_slice_x = ps_proc->i4_ctb_slice_x; 1112 ps_proc->i4_ctb_slice_y = cur_ctb_slice_y; 1113 ps_proc->i4_ctb_slice_x = cur_ctb_slice_x; 1114 proc_type = PROC_SAO; 1115 1116 while(num_ctb_tmp) 1117 { 1118 1119 1120 /* Check proc map to ensure dependencies for SAO are met */ 1121 ihevcd_proc_map_check(ps_proc, proc_type, nctb); 1122 1123 ihevcd_slice_hdr_update(ps_proc); 1124 1125 1126 if(0 == FRAME_ILF_PAD || ps_codec->i4_num_cores != 1) 1127 { 1128 /* SAO is done even when it is disabled in the current slice, because 1129 * it is performed on a shifted CTB and the neighbor CTBs can belong 1130 * to different slices with SAO enabled */ 1131 if(0 == ps_codec->i4_disable_sao_pic) 1132 { 1133 ps_proc->s_sao_ctxt.ps_pps = ps_proc->ps_pps; 1134 ps_proc->s_sao_ctxt.ps_sps = ps_proc->ps_sps; 1135 ps_proc->s_sao_ctxt.ps_tile = ps_proc->ps_tile; 1136 ps_proc->s_sao_ctxt.ps_codec = ps_proc->ps_codec; 1137 ps_proc->s_sao_ctxt.ps_slice_hdr = ps_proc->ps_slice_hdr; 1138 ps_proc->s_sao_ctxt.i4_cur_slice_idx = ps_proc->i4_cur_slice_idx; 1139 1140 1141 #if SAO_PROCESS_SHIFT_CTB 1142 ps_proc->s_sao_ctxt.i4_ctb_x = ps_proc->i4_ctb_x; 1143 ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y; 1144 ps_proc->s_sao_ctxt.is_chroma_yuv420sp_vu = (ps_codec->e_ref_chroma_fmt == IV_YUV_420SP_VU); 1145 1146 ihevcd_sao_shift_ctb(&ps_proc->s_sao_ctxt); 1147 #else 1148 if(ps_proc->i4_ctb_x > 1 && ps_proc->i4_ctb_y > 0) 1149 { 1150 ps_proc->s_sao_ctxt.i4_ctb_x = ps_proc->i4_ctb_x - 2; 1151 ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y - 1; 1152 1153 ihevcd_sao_ctb(&ps_proc->s_sao_ctxt); 1154 } 1155 1156 if(ps_sps->i2_pic_wd_in_ctb - 1 == ps_proc->i4_ctb_x && ps_proc->i4_ctb_y > 0) 1157 { 1158 ps_proc->s_sao_ctxt.i4_ctb_x = ps_proc->i4_ctb_x - 1; 1159 ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y - 1; 1160 1161 ihevcd_sao_ctb(&ps_proc->s_sao_ctxt); 1162 1163 ps_proc->s_sao_ctxt.i4_ctb_x = ps_proc->i4_ctb_x; 1164 ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y - 1; 1165 1166 ihevcd_sao_ctb(&ps_proc->s_sao_ctxt); 1167 1168 if(ps_sps->i2_pic_ht_in_ctb - 1 == ps_proc->i4_ctb_y) 1169 { 1170 WORD32 i4_ctb_x; 1171 ps_proc->s_sao_ctxt.i4_ctb_y = ps_proc->i4_ctb_y; 1172 for(i4_ctb_x = 0; i4_ctb_x < ps_sps->i2_pic_wd_in_ctb; i4_ctb_x++) 1173 { 1174 ps_proc->s_sao_ctxt.i4_ctb_x = i4_ctb_x; 1175 ihevcd_sao_ctb(&ps_proc->s_sao_ctxt); 1176 } 1177 } 1178 } 1179 #endif 1180 } 1181 1182 1183 /* Call padding if required */ 1184 { 1185 #if SAO_PROCESS_SHIFT_CTB 1186 1187 if(0 == ps_proc->i4_ctb_x) 1188 { 1189 WORD32 pad_ht_luma; 1190 WORD32 pad_ht_chroma; 1191 1192 ps_proc->pu1_cur_ctb_luma = ps_proc->pu1_cur_pic_luma 1193 + (ps_proc->i4_ctb_x * ctb_size 1194 + ps_proc->i4_ctb_y * ctb_size 1195 * ps_codec->i4_strd); 1196 ps_proc->pu1_cur_ctb_chroma = ps_proc->pu1_cur_pic_chroma 1197 + ps_proc->i4_ctb_x * ctb_size 1198 + (ps_proc->i4_ctb_y * ctb_size * ps_codec->i4_strd / 2); 1199 1200 pad_ht_luma = ctb_size; 1201 pad_ht_luma += (ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y ? 8 : 0; 1202 pad_ht_chroma = ctb_size / 2; 1203 /* Pad left after 1st CTB is processed */ 1204 ps_codec->s_func_selector.ihevc_pad_left_luma_fptr(ps_proc->pu1_cur_ctb_luma - 8 * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_luma, PAD_LEFT); 1205 ps_codec->s_func_selector.ihevc_pad_left_chroma_fptr(ps_proc->pu1_cur_ctb_chroma - 16 * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_chroma, PAD_LEFT); 1206 } 1207 1208 if((ps_sps->i2_pic_wd_in_ctb - 1) == ps_proc->i4_ctb_x) 1209 { 1210 WORD32 pad_ht_luma; 1211 WORD32 pad_ht_chroma; 1212 WORD32 cols_remaining = ps_sps->i2_pic_width_in_luma_samples - (ps_proc->i4_ctb_x << ps_sps->i1_log2_ctb_size); 1213 1214 ps_proc->pu1_cur_ctb_luma = ps_proc->pu1_cur_pic_luma 1215 + (ps_proc->i4_ctb_x * ctb_size 1216 + ps_proc->i4_ctb_y * ctb_size 1217 * ps_codec->i4_strd); 1218 ps_proc->pu1_cur_ctb_chroma = ps_proc->pu1_cur_pic_chroma 1219 + ps_proc->i4_ctb_x * ctb_size 1220 + (ps_proc->i4_ctb_y * ctb_size * ps_codec->i4_strd / 2); 1221 1222 pad_ht_luma = ctb_size; 1223 pad_ht_chroma = ctb_size / 2; 1224 if((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y) 1225 { 1226 pad_ht_luma += 8; 1227 pad_ht_chroma += 16; 1228 ps_codec->s_func_selector.ihevc_pad_left_chroma_fptr(ps_proc->pu1_cur_pic_chroma + (ps_sps->i2_pic_height_in_luma_samples / 2 - 16) * ps_codec->i4_strd, 1229 ps_codec->i4_strd, 16, PAD_LEFT); 1230 } 1231 /* Pad right after last CTB in the current row is processed */ 1232 ps_codec->s_func_selector.ihevc_pad_right_luma_fptr(ps_proc->pu1_cur_ctb_luma + cols_remaining - 8 * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_luma, PAD_RIGHT); 1233 ps_codec->s_func_selector.ihevc_pad_right_chroma_fptr(ps_proc->pu1_cur_ctb_chroma + cols_remaining - 16 * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_chroma, PAD_RIGHT); 1234 1235 if((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y) 1236 { 1237 UWORD8 *pu1_buf; 1238 /* Since SAO is shifted by 8x8, chroma padding can not be done till second row is processed */ 1239 /* Hence moving top padding to to end of frame, Moving it to second row also results in problems when there is only one row */ 1240 /* Pad top after padding left and right for current rows after processing 1st CTB row */ 1241 ihevc_pad_top(ps_proc->pu1_cur_pic_luma - PAD_LEFT, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_TOP); 1242 ihevc_pad_top(ps_proc->pu1_cur_pic_chroma - PAD_LEFT, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_TOP / 2); 1243 1244 pu1_buf = ps_proc->pu1_cur_pic_luma + ps_codec->i4_strd * ps_sps->i2_pic_height_in_luma_samples - PAD_LEFT; 1245 /* Pad top after padding left and right for current rows after processing 1st CTB row */ 1246 ihevc_pad_bottom(pu1_buf, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_BOT); 1247 1248 pu1_buf = ps_proc->pu1_cur_pic_chroma + ps_codec->i4_strd * (ps_sps->i2_pic_height_in_luma_samples / 2) - PAD_LEFT; 1249 ihevc_pad_bottom(pu1_buf, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_BOT / 2); 1250 } 1251 } 1252 #else 1253 if(ps_proc->i4_ctb_y > 1) 1254 { 1255 if(0 == ps_proc->i4_ctb_x) 1256 { 1257 WORD32 pad_ht_luma; 1258 WORD32 pad_ht_chroma; 1259 1260 pad_ht_luma = ctb_size; 1261 pad_ht_chroma = ctb_size / 2; 1262 /* Pad left after 1st CTB is processed */ 1263 ps_codec->s_func_selector.ihevc_pad_left_luma_fptr(ps_proc->pu1_cur_ctb_luma - 2 * ctb_size * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_luma, PAD_LEFT); 1264 ps_codec->s_func_selector.ihevc_pad_left_chroma_fptr(ps_proc->pu1_cur_ctb_chroma - ctb_size * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_chroma, PAD_LEFT); 1265 } 1266 else if((ps_sps->i2_pic_wd_in_ctb - 1) == ps_proc->i4_ctb_x) 1267 { 1268 WORD32 pad_ht_luma; 1269 WORD32 pad_ht_chroma; 1270 WORD32 cols_remaining = ps_sps->i2_pic_width_in_luma_samples - (ps_proc->i4_ctb_x << ps_sps->i1_log2_ctb_size); 1271 1272 pad_ht_luma = ((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y) ? 3 * ctb_size : ctb_size; 1273 pad_ht_chroma = ((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y) ? 3 * ctb_size / 2 : ctb_size / 2; 1274 /* Pad right after last CTB in the current row is processed */ 1275 ps_codec->s_func_selector.ihevc_pad_right_luma_fptr(ps_proc->pu1_cur_ctb_luma + cols_remaining - 2 * ctb_size * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_luma, PAD_RIGHT); 1276 ps_codec->s_func_selector.ihevc_pad_right_chroma_fptr(ps_proc->pu1_cur_ctb_chroma + cols_remaining - ctb_size * ps_codec->i4_strd, ps_codec->i4_strd, pad_ht_chroma, PAD_RIGHT); 1277 1278 if((ps_sps->i2_pic_ht_in_ctb - 1) == ps_proc->i4_ctb_y) 1279 { 1280 UWORD8 *pu1_buf; 1281 WORD32 pad_ht_luma; 1282 WORD32 pad_ht_chroma; 1283 1284 pad_ht_luma = 2 * ctb_size; 1285 pad_ht_chroma = ctb_size; 1286 1287 ps_codec->s_func_selector.ihevc_pad_left_luma_fptr(ps_proc->pu1_cur_pic_luma + ps_codec->i4_strd * (ps_sps->i2_pic_height_in_luma_samples - 2 * ctb_size), 1288 ps_codec->i4_strd, pad_ht_luma, PAD_LEFT); 1289 ps_codec->s_func_selector.ihevc_pad_left_chroma_fptr(ps_proc->pu1_cur_pic_chroma + ps_codec->i4_strd * (ps_sps->i2_pic_height_in_luma_samples / 2 - ctb_size), 1290 ps_codec->i4_strd, pad_ht_chroma, PAD_LEFT); 1291 1292 /* Since SAO is shifted by 8x8, chroma padding can not be done till second row is processed */ 1293 /* Hence moving top padding to to end of frame, Moving it to second row also results in problems when there is only one row */ 1294 /* Pad top after padding left and right for current rows after processing 1st CTB row */ 1295 ihevc_pad_top(ps_proc->pu1_cur_pic_luma - PAD_LEFT, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_TOP); 1296 ihevc_pad_top(ps_proc->pu1_cur_pic_chroma - PAD_LEFT, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_TOP / 2); 1297 1298 pu1_buf = ps_proc->pu1_cur_pic_luma + ps_codec->i4_strd * ps_sps->i2_pic_height_in_luma_samples - PAD_LEFT; 1299 /* Pad top after padding left and right for current rows after processing 1st CTB row */ 1300 ihevc_pad_bottom(pu1_buf, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_BOT); 1301 1302 pu1_buf = ps_proc->pu1_cur_pic_chroma + ps_codec->i4_strd * (ps_sps->i2_pic_height_in_luma_samples / 2) - PAD_LEFT; 1303 ihevc_pad_bottom(pu1_buf, ps_codec->i4_strd, ps_sps->i2_pic_width_in_luma_samples + PAD_WD, PAD_BOT / 2); 1304 } 1305 } 1306 } 1307 #endif 1308 } 1309 } 1310 1311 1312 /* Update proc map for SAO*/ 1313 ihevcd_proc_map_update(ps_proc, proc_type, nctb); 1314 /* Update proc map for Completion of CTB*/ 1315 ihevcd_proc_map_update(ps_proc, PROC_ALL, nctb); 1316 { 1317 tile_t *ps_tile; 1318 1319 ps_tile = ps_proc->ps_tile; 1320 num_ctb_tmp -= nctb; 1321 1322 ps_proc->i4_ctb_tile_x += nctb; 1323 ps_proc->i4_ctb_x += nctb; 1324 1325 ps_proc->i4_ctb_slice_x += nctb; 1326 1327 1328 /* Update tile counters */ 1329 if(ps_proc->i4_ctb_tile_x >= (ps_tile->u2_wd)) 1330 { 1331 /*End of tile row*/ 1332 ps_proc->i4_ctb_tile_x = 0; 1333 ps_proc->i4_ctb_x = ps_tile->u1_pos_x; 1334 1335 ps_proc->i4_ctb_tile_y++; 1336 ps_proc->i4_ctb_y++; 1337 if(ps_proc->i4_ctb_tile_y == ps_tile->u2_ht) 1338 { 1339 /* Reached End of Tile */ 1340 ps_proc->i4_ctb_tile_y = 0; 1341 ps_proc->i4_ctb_tile_x = 0; 1342 ps_proc->ps_tile++; 1343 //End of picture 1344 if(!((ps_tile->u2_ht + ps_tile->u1_pos_y == ps_sps->i2_pic_ht_in_ctb) && (ps_tile->u2_wd + ps_tile->u1_pos_x == ps_sps->i2_pic_wd_in_ctb))) 1345 { 1346 ps_tile = ps_proc->ps_tile; 1347 ps_proc->i4_ctb_x = ps_tile->u1_pos_x; 1348 ps_proc->i4_ctb_y = ps_tile->u1_pos_y; 1349 1350 } 1351 } 1352 } 1353 } 1354 } 1355 1356 ps_proc->i4_ctb_cnt -= num_ctb; 1357 } 1358 return ret; 1359 } 1360 1361 void ihevcd_init_proc_ctxt(process_ctxt_t *ps_proc, WORD32 tu_coeff_data_ofst) 1362 { 1363 codec_t *ps_codec; 1364 slice_header_t *ps_slice_hdr; 1365 pps_t *ps_pps; 1366 sps_t *ps_sps; 1367 tile_t *ps_tile, *ps_tile_prev; 1368 WORD32 tile_idx; 1369 WORD32 ctb_size; 1370 WORD32 num_minpu_in_ctb; 1371 WORD32 num_ctb_in_row; 1372 WORD32 ctb_addr; 1373 WORD32 i4_wd_in_ctb; 1374 WORD32 tile_start_ctb_idx; 1375 WORD32 slice_start_ctb_idx; 1376 WORD32 check_tile_wd; 1377 WORD32 continuous_tiles = 0; //Refers to tiles that are continuous, within a slice, horizontally 1378 1379 ps_codec = ps_proc->ps_codec; 1380 1381 ps_slice_hdr = ps_codec->ps_slice_hdr_base + ((ps_proc->i4_cur_slice_idx) & (MAX_SLICE_HDR_CNT - 1)); 1382 ps_proc->ps_slice_hdr = ps_slice_hdr; 1383 ps_proc->ps_pps = ps_codec->ps_pps_base + ps_slice_hdr->i1_pps_id; 1384 ps_pps = ps_proc->ps_pps; 1385 ps_proc->ps_sps = ps_codec->ps_sps_base + ps_pps->i1_sps_id; 1386 ps_sps = ps_proc->ps_sps; 1387 ps_proc->i4_init_done = 1; 1388 ctb_size = 1 << ps_sps->i1_log2_ctb_size; 1389 num_minpu_in_ctb = (ctb_size / MIN_PU_SIZE) * (ctb_size / MIN_PU_SIZE); 1390 num_ctb_in_row = ps_sps->i2_pic_wd_in_ctb; 1391 1392 ps_proc->s_sao_ctxt.pu1_slice_idx = ps_proc->pu1_slice_idx; 1393 1394 ihevcd_get_tile_pos(ps_pps, ps_sps, ps_proc->i4_ctb_x, ps_proc->i4_ctb_y, 1395 &ps_proc->i4_ctb_tile_x, &ps_proc->i4_ctb_tile_y, 1396 &tile_idx); 1397 1398 ps_proc->ps_tile = ps_pps->ps_tile + tile_idx; 1399 ps_proc->i4_cur_tile_idx = tile_idx; 1400 ps_tile = ps_proc->ps_tile; 1401 1402 if(ps_pps->i1_tiles_enabled_flag) 1403 { 1404 if(tile_idx) 1405 ps_tile_prev = ps_tile - 1; 1406 else 1407 ps_tile_prev = ps_tile; 1408 1409 slice_start_ctb_idx = ps_slice_hdr->i2_ctb_x + (ps_slice_hdr->i2_ctb_y * ps_sps->i2_pic_wd_in_ctb); 1410 tile_start_ctb_idx = ps_tile->u1_pos_x + (ps_tile->u1_pos_y * ps_sps->i2_pic_wd_in_ctb); 1411 1412 /*Check if 1413 * 1. Last tile that ends in frame boundary and 1st tile in next row belongs to same slice 1414 * 1.1. If it does, check if the slice that has these tiles spans across the frame row. 1415 * 2. Vertical tiles are present within a slice */ 1416 if(((ps_slice_hdr->i2_ctb_x == ps_tile->u1_pos_x) && (ps_slice_hdr->i2_ctb_y != ps_tile->u1_pos_y))) 1417 { 1418 continuous_tiles = 1; 1419 } 1420 else 1421 { 1422 check_tile_wd = ps_slice_hdr->i2_ctb_x + ps_tile_prev->u2_wd; 1423 if(!(((check_tile_wd >= ps_sps->i2_pic_wd_in_ctb) && (check_tile_wd % ps_sps->i2_pic_wd_in_ctb == ps_tile->u1_pos_x)) 1424 || ((ps_slice_hdr->i2_ctb_x == ps_tile->u1_pos_x)))) 1425 { 1426 continuous_tiles = 1; 1427 } 1428 } 1429 1430 { 1431 WORD32 i2_independent_ctb_x = ps_slice_hdr->i2_independent_ctb_x; 1432 WORD32 i2_independent_ctb_y = ps_slice_hdr->i2_independent_ctb_y; 1433 1434 /* Handles cases where 1435 * 1. Slices begin at the start of each tile 1436 * 2. Tiles lie in the same slice row.i.e, starting tile_x > slice_x, but tile_y == slice_y 1437 * */ 1438 if(ps_proc->i4_ctb_x >= i2_independent_ctb_x) 1439 { 1440 ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_x - i2_independent_ctb_x; 1441 } 1442 else 1443 { 1444 /* Indicates multiple tiles in a slice case where 1445 * The new tile belongs to an older slice that started in the previous rows-not the present row 1446 * & (tile_y > slice_y and tile_x < slice_x) 1447 */ 1448 if((slice_start_ctb_idx < tile_start_ctb_idx) && (continuous_tiles)) 1449 { 1450 i4_wd_in_ctb = ps_sps->i2_pic_wd_in_ctb; 1451 } 1452 /* Indicates many-tiles-in-one-slice case, for slices that end without spanning the frame width*/ 1453 else 1454 { 1455 i4_wd_in_ctb = ps_tile->u2_wd; 1456 } 1457 1458 if(continuous_tiles) 1459 { 1460 ps_proc->i4_ctb_slice_x = i4_wd_in_ctb 1461 - (i2_independent_ctb_x - ps_proc->i4_ctb_x); 1462 } 1463 else 1464 { 1465 ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_x - ps_tile->u1_pos_x; 1466 } 1467 } 1468 /* Initialize ctb slice y to zero and at the start of slice row initialize it 1469 to difference between ctb_y and slice's start ctb y */ 1470 1471 ps_proc->i4_ctb_slice_y = ps_proc->i4_ctb_y - i2_independent_ctb_y; 1472 1473 /*If beginning of tile, check if slice counters are set correctly*/ 1474 if((0 == ps_proc->i4_ctb_tile_x) && (0 == ps_proc->i4_ctb_tile_y)) 1475 { 1476 if(ps_slice_hdr->i1_dependent_slice_flag) 1477 { 1478 ps_proc->i4_ctb_slice_x = 0; 1479 ps_proc->i4_ctb_slice_y = 0; 1480 } 1481 /*For slices that span across multiple tiles*/ 1482 else if(slice_start_ctb_idx < tile_start_ctb_idx) 1483 { 1484 ps_proc->i4_ctb_slice_y = ps_tile->u1_pos_y - i2_independent_ctb_y; 1485 /* Two Cases 1486 * 1 - slice spans across frame-width- but dose not start from 1st column 1487 * 2 - Slice spans across multiple tiles anywhere is a frame 1488 */ 1489 /*TODO:In a multiple slice clip, if an independent slice span across more than 2 tiles in a row, it is not supported*/ 1490 if(continuous_tiles) //Case 2-implemented for slices that span not more than 2 tiles 1491 { 1492 if(i2_independent_ctb_y <= ps_tile->u1_pos_y) 1493 { 1494 //Check if ctb x is before or after 1495 if(i2_independent_ctb_x > ps_tile->u1_pos_x) 1496 { 1497 ps_proc->i4_ctb_slice_y -= 1; 1498 } 1499 } 1500 } 1501 } 1502 } 1503 //Slice starts from a column which is not the starting tile-column, but is within the tile 1504 if(((i2_independent_ctb_x - ps_tile->u1_pos_x) != 0) && ((ps_proc->i4_ctb_slice_y != 0)) 1505 && ((i2_independent_ctb_x >= ps_tile->u1_pos_x) && (i2_independent_ctb_x < ps_tile->u1_pos_x + ps_tile->u2_wd))) 1506 { 1507 ps_proc->i4_ctb_slice_y -= 1; 1508 } 1509 } 1510 } 1511 else 1512 { 1513 WORD32 i2_independent_ctb_x = ps_slice_hdr->i2_independent_ctb_x; 1514 WORD32 i2_independent_ctb_y = ps_slice_hdr->i2_independent_ctb_y; 1515 1516 1517 { 1518 ps_proc->i4_ctb_slice_x = ps_proc->i4_ctb_x - i2_independent_ctb_x; 1519 ps_proc->i4_ctb_slice_y = ps_proc->i4_ctb_y - i2_independent_ctb_y; 1520 if(ps_proc->i4_ctb_slice_x < 0) 1521 { 1522 ps_proc->i4_ctb_slice_x += ps_sps->i2_pic_wd_in_ctb; 1523 ps_proc->i4_ctb_slice_y -= 1; 1524 } 1525 1526 /* Initialize ctb slice y to zero and at the start of slice row initialize it 1527 to difference between ctb_y and slice's start ctb y */ 1528 } 1529 } 1530 1531 /* Compute TU offset for the current CTB set */ 1532 { 1533 1534 WORD32 ctb_luma_min_tu_cnt; 1535 WORD32 ctb_addr; 1536 1537 ctb_addr = ps_proc->i4_ctb_y * num_ctb_in_row + ps_proc->i4_ctb_x; 1538 1539 ctb_luma_min_tu_cnt = (1 << ps_sps->i1_log2_ctb_size) / MIN_TU_SIZE; 1540 ctb_luma_min_tu_cnt *= ctb_luma_min_tu_cnt; 1541 1542 ps_proc->pu1_tu_map = ps_proc->pu1_pic_tu_map 1543 + ctb_luma_min_tu_cnt * ctb_addr; 1544 if(1 == ps_codec->i4_num_cores) 1545 { 1546 ps_proc->ps_tu = ps_proc->ps_pic_tu + ps_proc->pu4_pic_tu_idx[ctb_addr % RESET_TU_BUF_NCTB]; 1547 } 1548 else 1549 { 1550 ps_proc->ps_tu = ps_proc->ps_pic_tu + ps_proc->pu4_pic_tu_idx[ctb_addr]; 1551 } 1552 ps_proc->pv_tu_coeff_data = (UWORD8 *)ps_proc->pv_pic_tu_coeff_data 1553 + tu_coeff_data_ofst; 1554 1555 } 1556 1557 /* Compute PU related elements for the current CTB set */ 1558 { 1559 WORD32 pu_idx; 1560 ctb_addr = ps_proc->i4_ctb_y * num_ctb_in_row + ps_proc->i4_ctb_x; 1561 pu_idx = ps_proc->pu4_pic_pu_idx[ctb_addr]; 1562 ps_proc->pu1_pu_map = ps_proc->pu1_pic_pu_map 1563 + ctb_addr * num_minpu_in_ctb; 1564 ps_proc->ps_pu = ps_proc->ps_pic_pu + pu_idx; 1565 } 1566 1567 /* Number of ctbs processed in one loop of process function */ 1568 { 1569 ps_proc->i4_nctb = MIN(ps_codec->u4_nctb, ps_tile->u2_wd); 1570 } 1571 1572 } 1573 void ihevcd_process_thread(process_ctxt_t *ps_proc) 1574 { 1575 { 1576 ithread_set_affinity(ps_proc->i4_id + 1); 1577 } 1578 while(1) 1579 { 1580 IHEVCD_ERROR_T ret; 1581 proc_job_t s_job; 1582 1583 ret = ihevcd_jobq_dequeue((jobq_t *)ps_proc->pv_proc_jobq, &s_job, 1584 sizeof(proc_job_t), 1); 1585 if((IHEVCD_ERROR_T)IHEVCD_SUCCESS != ret) 1586 break; 1587 1588 ps_proc->i4_ctb_cnt = s_job.i2_ctb_cnt; 1589 ps_proc->i4_ctb_x = s_job.i2_ctb_x; 1590 ps_proc->i4_ctb_y = s_job.i2_ctb_y; 1591 ps_proc->i4_cur_slice_idx = s_job.i2_slice_idx; 1592 1593 1594 1595 if(CMD_PROCESS == s_job.i4_cmd) 1596 { 1597 ihevcd_init_proc_ctxt(ps_proc, s_job.i4_tu_coeff_data_ofst); 1598 ihevcd_process(ps_proc); 1599 } 1600 else if(CMD_FMTCONV == s_job.i4_cmd) 1601 { 1602 sps_t *ps_sps; 1603 codec_t *ps_codec; 1604 ivd_out_bufdesc_t *ps_out_buffer; 1605 WORD32 num_rows; 1606 1607 if(0 == ps_proc->i4_init_done) 1608 { 1609 ihevcd_init_proc_ctxt(ps_proc, 0); 1610 } 1611 ps_sps = ps_proc->ps_sps; 1612 ps_codec = ps_proc->ps_codec; 1613 ps_out_buffer = ps_proc->ps_out_buffer; 1614 num_rows = 1 << ps_sps->i1_log2_ctb_size; 1615 1616 num_rows = MIN(num_rows, (ps_codec->i4_disp_ht - (s_job.i2_ctb_y << ps_sps->i1_log2_ctb_size))); 1617 1618 if(num_rows < 0) 1619 num_rows = 0; 1620 1621 ihevcd_fmt_conv(ps_proc->ps_codec, ps_proc, ps_out_buffer->pu1_bufs[0], ps_out_buffer->pu1_bufs[1], ps_out_buffer->pu1_bufs[2], 1622 s_job.i2_ctb_y << ps_sps->i1_log2_ctb_size, num_rows); 1623 } 1624 } 1625 //ithread_exit(0); 1626 return; 1627 } 1628 1629
