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 ******************************************************************************* 21 * @file 22 * ihevc_structs.h 23 * 24 * @brief 25 * Structure definitions used in the code 26 * 27 * @author 28 * Ittiam 29 * 30 * @par List of Functions: 31 * 32 * @remarks 33 * None 34 * 35 ******************************************************************************* 36 */ 37 38 #ifndef _IHEVC_STRUCTS_H_ 39 #define _IHEVC_STRUCTS_H_ 40 41 /** 42 * Picture buffer 43 */ 44 typedef struct 45 { 46 UWORD8 *pu1_luma; 47 UWORD8 *pu1_chroma; 48 49 WORD32 i4_abs_poc; 50 WORD32 i4_poc_lsb; 51 /** Used to store display Timestamp for current buffer */ 52 WORD32 u4_ts; 53 UWORD8 u1_used_as_ref; 54 55 UWORD8 u1_free_delay_cnt; 56 57 /** 58 * buffer ID from buffer manager 59 */ 60 UWORD8 u1_buf_id; 61 62 }pic_buf_t; 63 64 65 /** 66 * Reference List 67 */ 68 typedef struct 69 { 70 void *pv_pic_buf; 71 72 void *pv_mv_buf; 73 74 UWORD8 u1_used_as_ref; 75 76 }ref_list_t; 77 78 79 /** 80 * SAO 81 */ 82 typedef struct 83 { 84 /** 85 * sao_type_idx_luma 86 */ 87 UWORD32 b3_y_type_idx : 3; 88 89 /** 90 * luma SaoOffsetVal[1] 91 */ 92 WORD32 b4_y_offset_1 : 4; 93 94 /** 95 * luma SaoOffsetVal[2] 96 */ 97 WORD32 b4_y_offset_2 : 4; 98 99 /** 100 * luma SaoOffsetVal[3] 101 */ 102 WORD32 b4_y_offset_3 : 4; 103 104 /** 105 * luma SaoOffsetVal[4] 106 */ 107 WORD32 b4_y_offset_4 : 4; 108 109 /** 110 * luma sao_band_position 111 */ 112 UWORD32 b5_y_band_pos : 5; 113 114 WORD32 : 0; 115 116 /** 117 * sao_type_idx_chroma 118 */ 119 UWORD32 b3_cb_type_idx : 3; 120 121 /** 122 * chroma SaoOffsetVal[1] 123 */ 124 WORD32 b4_cb_offset_1 : 4; 125 126 /** 127 * chroma SaoOffsetVal[2] 128 */ 129 WORD32 b4_cb_offset_2 : 4; 130 131 /** 132 * chroma SaoOffsetVal[3] 133 */ 134 WORD32 b4_cb_offset_3 : 4; 135 136 /** 137 * chroma SaoOffsetVal[4] 138 */ 139 WORD32 b4_cb_offset_4 : 4; 140 141 /** 142 * cb sao_band_position 143 */ 144 UWORD32 b5_cb_band_pos : 5; 145 146 WORD32 : 0; 147 148 /** 149 * sao_type_idx_chroma 150 */ 151 UWORD32 b3_cr_type_idx : 3; 152 153 /** 154 * chroma SaoOffsetVal[1] 155 */ 156 WORD32 b4_cr_offset_1 : 4; 157 158 /** 159 * chroma SaoOffsetVal[2] 160 */ 161 WORD32 b4_cr_offset_2 : 4; 162 163 /** 164 * chroma SaoOffsetVal[3] 165 */ 166 WORD32 b4_cr_offset_3 : 4; 167 168 /** 169 * chroma SaoOffsetVal[4] 170 */ 171 WORD32 b4_cr_offset_4 : 4; 172 173 /** 174 * cr sao_band_position 175 */ 176 UWORD32 b5_cr_band_pos : 5; 177 178 WORD32 : 0; 179 180 }sao_t; 181 182 /** 183 * SAO 184 */ 185 typedef struct 186 { 187 /** 188 * sao_type_idx_luma 189 */ 190 UWORD32 b3_y_type_idx : 3; 191 192 /** 193 * luma SaoOffsetVal[1] 194 */ 195 WORD32 b8_y_offset_1 : 8; 196 197 /** 198 * luma SaoOffsetVal[2] 199 */ 200 WORD32 b8_y_offset_2 : 8; 201 202 /** 203 * luma SaoOffsetVal[3] 204 */ 205 WORD32 b8_y_offset_3 : 8; 206 207 /** 208 * luma SaoOffsetVal[4] 209 */ 210 WORD32 b8_y_offset_4 : 8; 211 212 /** 213 * luma sao_band_position 214 */ 215 UWORD32 b5_y_band_pos : 5; 216 217 WORD32 : 0; 218 219 /** 220 * sao_type_idx_chroma 221 */ 222 UWORD32 b3_cb_type_idx : 3; 223 224 /** 225 * chroma SaoOffsetVal[1] 226 */ 227 WORD32 b8_cb_offset_1 : 8; 228 229 /** 230 * chroma SaoOffsetVal[2] 231 */ 232 WORD32 b8_cb_offset_2 : 8; 233 234 /** 235 * chroma SaoOffsetVal[3] 236 */ 237 WORD32 b8_cb_offset_3 : 8; 238 239 /** 240 * chroma SaoOffsetVal[4] 241 */ 242 WORD32 b8_cb_offset_4 : 8; 243 244 /** 245 * cb sao_band_position 246 */ 247 UWORD32 b5_cb_band_pos : 5; 248 249 WORD32 : 0; 250 251 /** 252 * sao_type_idx_chroma 253 */ 254 UWORD32 b3_cr_type_idx : 3; 255 256 /** 257 * chroma SaoOffsetVal[1] 258 */ 259 WORD32 b8_cr_offset_1 : 8; 260 261 /** 262 * chroma SaoOffsetVal[2] 263 */ 264 WORD32 b8_cr_offset_2 : 8; 265 266 /** 267 * chroma SaoOffsetVal[3] 268 */ 269 WORD32 b8_cr_offset_3 : 8; 270 271 /** 272 * chroma SaoOffsetVal[4] 273 */ 274 WORD32 b8_cr_offset_4 : 8; 275 276 /** 277 * cr sao_band_position 278 */ 279 UWORD32 b5_cr_band_pos : 5; 280 281 WORD32 : 0; 282 283 }sao_10bd_t; 284 285 /** 286 * Motion vector 287 */ 288 typedef struct 289 { 290 /** 291 * Horizontal Motion Vector 292 */ 293 WORD16 i2_mvx; 294 295 /** 296 * Vertical Motion Vector 297 */ 298 WORD16 i2_mvy; 299 }mv_t; 300 301 /*****************************************************************************/ 302 /* Following results in packed 48 bit structure. If mv_t included */ 303 /* ref_pic_buf_id, then 8 bits will be wasted for each mv for aligning. */ 304 /* Also using mv_t as elements directly instead of a pointer to l0 and l1 */ 305 /* mvs. Since pointer takes 4 bytes and MV itself is 4 bytes. It does not */ 306 /* really help using pointers. */ 307 /*****************************************************************************/ 308 309 /** 310 * PU Motion Vector info 311 */ 312 typedef struct 313 { 314 /** 315 * L0 Motion Vector 316 */ 317 mv_t s_l0_mv; 318 319 /** 320 * L1 Motion Vector 321 */ 322 mv_t s_l1_mv; 323 324 /** 325 * L0 Ref index 326 */ 327 WORD8 i1_l0_ref_idx; 328 329 /** 330 * L1 Ref index 331 */ 332 WORD8 i1_l1_ref_idx; 333 334 /** 335 * L0 Ref Pic Buf ID 336 */ 337 WORD8 i1_l0_ref_pic_buf_id; 338 339 /** 340 * L1 Ref Pic Buf ID 341 */ 342 WORD8 i1_l1_ref_pic_buf_id; 343 344 }pu_mv_t; 345 346 /** 347 * PU information 348 */ 349 typedef struct 350 { 351 352 /** 353 * PU motion vectors 354 */ 355 pu_mv_t mv; 356 357 /** 358 * PU X position in terms of min PU (4x4) units 359 */ 360 UWORD32 b4_pos_x : 4; 361 362 /** 363 * PU Y position in terms of min PU (4x4) units 364 */ 365 UWORD32 b4_pos_y : 4; 366 367 /** 368 * PU width in pixels = (b4_wd + 1) << 2 369 */ 370 UWORD32 b4_wd : 4; 371 372 /** 373 * PU height in pixels = (b4_ht + 1) << 2 374 */ 375 UWORD32 b4_ht : 4; 376 377 /** 378 * Intra or Inter flag for each partition - 0 or 1 379 */ 380 UWORD32 b1_intra_flag : 1; 381 382 383 /** 384 * PRED_L0, PRED_L1, PRED_BI - Initialized in parsing only for MVP case 385 */ 386 UWORD32 b2_pred_mode : 2; 387 388 389 /** 390 * Merge flag for each partition - 0 or 1 391 */ 392 UWORD32 b1_merge_flag : 1; 393 394 /** 395 * Merge index for each partition - 0 to 4 396 */ 397 UWORD32 b3_merge_idx : 3; 398 399 /*************************************************************************/ 400 /* Following two flags can be overloaded with b3_merge_idx if there */ 401 /* is need for additional bits */ 402 /*************************************************************************/ 403 404 /** 405 * If merge is zero, following gives presence of mvd for L0 MV 406 */ 407 UWORD32 b1_l0_mvp_idx : 1; 408 409 /** 410 * If merge is zero, following gives presence of mvd for L1 MV 411 */ 412 UWORD32 b1_l1_mvp_idx : 1; 413 414 /** 415 * Partition mode - Needed during MV merge stage 416 * Note: Part mode can be derived using pu_wd, pu_ht and minCB size 417 * If there is a need for bits, the following can be removed at the cost 418 * of more control code in MV Merge 419 */ 420 UWORD32 b3_part_mode : 3; 421 422 /** 423 * Partition index - Needed during MV merge stage 424 */ 425 UWORD32 b2_part_idx : 2; 426 427 428 }pu_t; 429 430 /** 431 * TU information 432 */ 433 typedef struct 434 { 435 /** 436 * TU X position in terms of min TU (4x4) units 437 */ 438 UWORD32 b4_pos_x : 4; 439 440 /** 441 * TU Y position in terms of min TU (4x4) units 442 */ 443 UWORD32 b4_pos_y : 4; 444 445 446 /*************************************************************************/ 447 /* Luma TU size (width or height) = 1 << (b3_size + 2) */ 448 /* i.e. 0 : 4, 1 : 8, 2: 16, 3: 32, 4: 64 */ 449 /* Note: Though 64 x 64 TU is not possible, this size is supported to */ 450 /* signal SKIP CUs or PCM CUs etc where transform is not called */ 451 /* Chroma width will be half of luma except for 4x4 luma */ 452 /*************************************************************************/ 453 /** 454 * Luma TU size (width or height) 455 */ 456 UWORD32 b3_size : 3; //To be changed. 457 458 /*************************************************************************/ 459 /* Chroma present : For 4x4 Luma TUs only the fourth one contains Cb */ 460 /* Cr info. For the first three TUs in 8x8 (for 4x4 luma) this will */ 461 /* be zero. For all the other cases this will be 1 */ 462 /*************************************************************************/ 463 464 /** 465 * 4x4 Luma TUs only the fourth one contains cb,cr 466 * TODO: Check if this is really needed, cb_cbf and cr_cbf should be enough 467 */ 468 //UWORD32 b1_chroma_present : 1; 469 470 /** 471 * Y CBF 472 */ 473 UWORD32 b1_y_cbf : 1; 474 475 /** 476 * Cb CBF 477 */ 478 UWORD32 b1_cb_cbf : 1; 479 480 /** 481 * Cr CBF 482 */ 483 UWORD32 b1_cr_cbf : 1; 484 485 486 /** 487 * Flag to indicate if it is the first TU in a CU 488 */ 489 UWORD32 b1_first_tu_in_cu : 1; 490 491 /** 492 * Transform quant bypass flag 493 */ 494 UWORD32 b1_transquant_bypass : 1; 495 496 /** 497 * Y Qp 498 */ 499 //UWORD32 b6_qp : 6; // BUG_FIX related to nighbour QP's in case of negative QP for HBD. 500 WORD32 b7_qp : 7; 501 502 503 /** 504 * Luma Intra Mode 0 - 34 505 */ 506 UWORD32 b6_luma_intra_mode : 6; 507 508 /*************************************************************************/ 509 /* Chroma Intra Mode Index 0 - 4: Actual mode (0, 1, 10, 26, 34, X) to be*/ 510 /* derived using luma_intra_mode and the following */ 511 /*************************************************************************/ 512 /** 513 * Chroma Intra Mode Index 0 - 4 514 */ 515 UWORD32 b3_chroma_intra_mode_idx : 3; 516 517 518 }tu_t; 519 520 /** 521 * CU information 522 */ 523 typedef struct 524 { 525 526 /** 527 * CU X position in terms of min CU (8x8) units 528 */ 529 UWORD32 b3_cu_pos_x :3; 530 531 /** 532 * CU Y position in terms of min CU (8x8) units 533 */ 534 UWORD32 b3_cu_pos_y :3; 535 536 /** 537 * CU size in terms of min CU (8x8) units 538 */ 539 UWORD32 b4_cu_size :4; 540 541 /** 542 * transquant bypass flag ; 0 for this encoder 543 */ 544 UWORD32 b1_tq_bypass_flag :1; 545 546 /** 547 * CU skip flag 548 */ 549 UWORD32 b1_skip_flag :1; 550 551 /** 552 * intra / inter CU flag 553 */ 554 UWORD32 b1_pred_mode_flag :1; 555 556 /** 557 * indicates partition information for CU 558 * For intra 0 : for 2Nx2N / 1 for NxN iff CU=minCBsize 559 * For inter 0 : @sa PART_SIZE_E 560 */ 561 UWORD32 b3_part_mode :3; 562 563 /** 564 * 0 for this encoder 565 */ 566 UWORD32 b1_pcm_flag :1; 567 568 /** 569 * only applicable for intra cu 570 */ 571 UWORD32 b3_chroma_intra_pred_mode :3; 572 573 /** 574 * only applicable for intra cu 575 */ 576 UWORD32 b1_prev_intra_luma_pred_flag0 :1; 577 578 /** 579 * only applicable for intra cu and pred_mode=NxN 580 */ 581 UWORD32 b1_prev_intra_luma_pred_flag1 :1; 582 583 /** 584 * only applicable for intra cu and pred_mode=NxN 585 */ 586 UWORD32 b1_prev_intra_luma_pred_flag2 :1; 587 588 /** 589 * only applicable for intra cu and pred_mode=NxN 590 */ 591 UWORD32 b1_prev_intra_luma_pred_flag3 :1; 592 593 /** 594 * only applicable for luma intra cu 595 */ 596 UWORD32 b2_mpm_idx0 :2; 597 598 /** 599 * only applicable for intra cu and pred_mode=NxN 600 */ 601 UWORD32 b2_mpm_idx1 :2; 602 603 /** 604 * only applicable for intra cu and pred_mode=NxN 605 */ 606 UWORD32 b2_mpm_idx2 :2; 607 608 /** 609 * only applicable for intra cu and pred_mode=NxN 610 */ 611 UWORD32 b2_mpm_idx3 :2; 612 613 /** 614 * only applicable for intra cu 615 */ 616 UWORD32 b5_rem_intra_pred_mode0 :5; 617 618 /** 619 * only applicable for intra cu and pred_mode=NxN 620 */ 621 UWORD32 b5_rem_intra_pred_mode1 :5; 622 623 /** 624 * only applicable for intra cu and pred_mode=NxN 625 */ 626 UWORD32 b5_rem_intra_pred_mode2 :5; 627 628 /** 629 * only applicable for intra cu and pred_mode=NxN 630 */ 631 UWORD32 b5_rem_intra_pred_mode3 :5; 632 633 /** 634 * no residue flag for cu 635 */ 636 UWORD32 b1_no_residual_syntax_flag :1; 637 638 }cu_t; 639 640 /*****************************************************************************/ 641 /* Since the following data will be accessed linearly (no random access */ 642 /* is needed for this) there is no need to store a frame level offset for */ 643 /* each CTB's TU data. Only a pointer to this is stored in CTB's structure */ 644 /*****************************************************************************/ 645 646 typedef struct 647 { 648 /*************************************************************************/ 649 /* Number of TUs filled in as_tu */ 650 /* Having the first entry as 32 bit data, helps in keeping each of */ 651 /* the structures aligned to 32 bits at CTB level */ 652 /*************************************************************************/ 653 /** 654 * Number of TUs filled in as_tu 655 */ 656 WORD32 i4_tu_cnt; 657 658 /** 659 * Array to map each min TU unit to a corresponding entry in as_tu 660 */ 661 UWORD8 au1_tu_map[MAX_TU_IN_CTB]; 662 663 /*************************************************************************/ 664 /* TU level information */ 665 /* Though the allocation for as_pu as done to handle worst case data, */ 666 /* only valid number of TUs will be filled in the following array. */ 667 /* Next CTB starts after the valid as_tu entries */ 668 /*************************************************************************/ 669 /** 670 * TU level information 671 */ 672 tu_t as_tu[MAX_TU_IN_CTB]; 673 674 }ctb_tu_list_t; 675 676 /*****************************************************************************/ 677 /* Info from last TU row of CTB is stored in a row level neighbour buffer */ 678 /* , which will be used for Boundary Strength computation */ 679 /*****************************************************************************/ 680 /** 681 * CTB neighbor info 682 */ 683 typedef struct 684 { 685 /** 686 * Slice index of the ctb 687 */ 688 UWORD16 u2_slice_idx; 689 690 /*************************************************************************/ 691 /* CBF of bottom TU row (replicated in 4 pixel boundary) */ 692 /* MSB contains CBF of first TU in the last row and LSB contains CBF */ 693 /* of last TU in the last row */ 694 /*************************************************************************/ 695 /** 696 * CBF of bottom TU row 697 */ 698 UWORD16 u2_packed_cbf; 699 700 /*************************************************************************/ 701 /* QP of bottom TU row (replicated at 8 pixel boundary (Since QP can */ 702 /* not change at less than min CU granularity) */ 703 /*************************************************************************/ 704 /** 705 * QP of bottom TU row 706 */ 707 UWORD8 au1_qp[MAX_CU_IN_CTB_ROW]; 708 709 }ctb_top_ny_info_t; 710 711 /** 712 * CTB level info 713 */ 714 typedef struct _ctb_t 715 { 716 /*************************************************************************/ 717 /* Tile boundary can be detected by looking at tile start x and tile */ 718 /* start y. And based on the tile, slice and frame boundary the */ 719 /* following will be initialized. */ 720 /*************************************************************************/ 721 /** 722 * Pointer to left CTB 723 */ 724 /* If not available, this will be set to NULL */ 725 struct _ctb_t *ps_ctb_left; 726 727 /** 728 * Pointer to top-left CTB 729 */ 730 /* If not available, this will be set to NULL */ 731 ctb_top_ny_info_t *ps_ctb_ny_topleft; 732 733 /** 734 * Pointer to top CTB 735 */ 736 /* If not available, this will be set to NULL */ 737 ctb_top_ny_info_t *ps_ctb_ny_top; 738 739 /** 740 * Pointer to top-right CTB 741 */ 742 /* If not available, this will be set to NULL */ 743 ctb_top_ny_info_t *ps_ctb_ny_topright; 744 745 /*************************************************************************/ 746 /* Pointer to PU data. */ 747 /* This points to a MV Bank stored at frame level. Though this */ 748 /* pointer can be derived by reading offset at frame level, it is */ 749 /* stored here for faster access. Can be removed if storage of CTB */ 750 /* structure is critical */ 751 /*************************************************************************/ 752 /** 753 * Pointer to PU data 754 */ 755 pu_t *ps_pu; 756 757 /*************************************************************************/ 758 /* Pointer to a PU map stored at frame level, */ 759 /* Though this pointer can be derived by multiplying CTB adress with */ 760 /* number of minTUs in a CTB, it is stored here for faster access. */ 761 /* Can be removed if storage of CTB structure is critical */ 762 /*************************************************************************/ 763 /** 764 * Pointer to a PU map stored at frame level 765 */ 766 UWORD8 *pu1_pu_map; 767 768 /** 769 * Number of TUs filled in as_tu 770 */ 771 /*************************************************************************/ 772 /* Having the first entry as 32 bit data, helps in keeping each of */ 773 /* the structures aligned to 32 bits at CTB level */ 774 /*************************************************************************/ 775 WORD32 i4_tu_cnt; 776 777 /** 778 * Array to map each min TU unit to a corresponding entry in as_tu 779 */ 780 UWORD8 *pu1_tu_map; 781 782 /** 783 * TU level information 784 */ 785 /*************************************************************************/ 786 /* Though the allocation for as_pu as done to handle worst case data, */ 787 /* only valid number of TUs will be filled in the following array. */ 788 /* Next CTB starts after the valid as_tu entries */ 789 /*************************************************************************/ 790 tu_t *ps_tu; 791 792 /** 793 * Pointer to transform coeff data 794 */ 795 /*************************************************************************/ 796 /* Following format is repeated for every coded TU */ 797 /* Luma Block */ 798 /* num_coeffs : 16 bits */ 799 /* zero_cols : 8 bits ( 1 bit per 4 columns) */ 800 /* sig_coeff_map : ((TU Size * TU Size) + 31) >> 5 number of WORD32s */ 801 /* coeff_data : Non zero coefficients */ 802 /* Cb Block (only for last TU in 4x4 case else for every luma TU) */ 803 /* num_coeffs : 16 bits */ 804 /* zero_cols : 8 bits ( 1 bit per 4 columns) */ 805 /* sig_coeff_map : ((TU Size * TU Size) + 31) >> 5 number of WORD32s */ 806 /* coeff_data : Non zero coefficients */ 807 /* Cr Block (only for last TU in 4x4 case else for every luma TU) */ 808 /* num_coeffs : 16 bits */ 809 /* zero_cols : 8 bits ( 1 bit per 4 columns) */ 810 /* sig_coeff_map : ((TU Size * TU Size) + 31) >> 5 number of WORD32s */ 811 /* coeff_data : Non zero coefficients */ 812 /*************************************************************************/ 813 void *pv_coeff_data; 814 815 /** 816 * Slice to which the CTB belongs to 817 */ 818 WORD32 i4_slice_idx; 819 820 /** 821 * CTB column position 822 */ 823 WORD32 i4_pos_x; 824 825 /** 826 * CTB row position 827 */ 828 WORD32 i4_pos_y; 829 830 /** 831 * Number of PUs filled in ps_pu 832 */ 833 WORD32 i4_pu_cnt; 834 835 /** 836 * Index of current PU being processed in ps_pu 837 */ 838 /* Scratch variable set to 0 at the start of any PU processing function */ 839 WORD32 i4_pu_idx; 840 841 /** 842 * Vertical Boundary strength 843 */ 844 /* Two bits per edge. 845 Stored in format. BS[15] | BS[14] | .. |BS[0]*/ 846 UWORD32 *pu4_vert_bs; 847 848 /** 849 * Horizontal Boundary strength 850 */ 851 852 /* Two bits per edge. 853 Stored in format. BS[15] | BS[14] | .. |BS[0]*/ 854 UWORD32 *pu4_horz_bs; 855 856 /** 857 * Qp array stored for each 8x8 pixels 858 */ 859 UWORD8 *pu1_qp; 860 861 /** 862 * Pointer to current frame's pu_t array 863 */ 864 pu_t *ps_frm_pu; 865 866 /** 867 * Pointer to current frame's pu_t index array, which stores starting index 868 * of pu_t for every CTB 869 */ 870 UWORD32 *pu4_frm_pu_idx; 871 872 /** 873 * Pointer to current frame's pu map array 874 */ 875 UWORD8 *pu1_frm_pu_map; 876 877 /*************************************************************************/ 878 /* Need to add encoder specific elements for identifying the order of */ 879 /* coding for CU, TU and PU if any */ 880 /*************************************************************************/ 881 }ctb_t; 882 883 /*****************************************************************************/ 884 /* The following can be used to typecast coefficient data that is stored */ 885 /* per subblock. Note that though i2_level is shown as an array that */ 886 /* holds 16 coefficients, only the first few entries will be valid. Next */ 887 /* subblocks data starts after the valid number of coefficients. Number */ 888 /* of non-zero coefficients will be derived using number of non-zero bits */ 889 /* in sig coeff map */ 890 /*****************************************************************************/ 891 /** 892 * Structure to hold coefficient info for a 4x4 subblock 893 */ 894 typedef struct 895 { 896 /** 897 * sub block position 898 */ 899 UWORD16 u2_subblk_pos; 900 901 /** 902 * significant coefficient map 903 */ 904 UWORD16 u2_sig_coeff_map; 905 906 /** 907 * holds 16 coefficients 908 */ 909 WORD16 ai2_level[SUBBLK_COEFF_CNT]; 910 }tu_sblk_coeff_data_t; 911 912 913 914 /*************************************************************************/ 915 /* The following describes how each of the CU cases are handled */ 916 /*************************************************************************/ 917 918 /*************************************************************************/ 919 /* For SKIP CU */ 920 /* One Inter PU with appropriate MV */ 921 /* One TU which says Y, Cb and Cr CBF is zero with size equal to CB size */ 922 /*************************************************************************/ 923 924 /*************************************************************************/ 925 /* For Inter CU */ 926 /* M Inter PU with appropriate MVs (M between 1 to 4) */ 927 /* N TU (N is number of TU in CU) */ 928 /*************************************************************************/ 929 930 /*************************************************************************/ 931 /* For Intra CU */ 932 /* N TU (N is number of TU in CU) */ 933 /* N Intra PU with appropriate pred modes for luma and chroma */ 934 /*************************************************************************/ 935 936 /*************************************************************************/ 937 /* For Intra PCM CU */ 938 /* One TU which says transquant bypass is 1 with size equal to CB size */ 939 /* 1 Intra PU with pcm flag set to 1(which ensures no intra pred is done)*/ 940 /*************************************************************************/ 941 942 /*************************************************************************/ 943 /* For a CU where cu_transquant_bypass_flag is 1 */ 944 /* One TU which says transquant bypass is 1 with size equal to CB size */ 945 /* N Intra/Inter PUs */ 946 /*************************************************************************/ 947 948 /*************************************************************************/ 949 /* For a CU where no_residual_syntax_flag is 1 */ 950 /* One TU which says Y, Cb, Cr CBF is 0 with size equal to CB size */ 951 /* N Inter PUs */ 952 /*************************************************************************/ 953 954 955 /** 956 * Structure giving information about the tile 957 */ 958 typedef struct 959 { 960 /* X position of the tile in the current frame in CTB units */ 961 UWORD8 u1_pos_x; 962 963 /* Y position of the tile in the current frame in CTB units */ 964 UWORD8 u1_pos_y; 965 966 /* Tile width in CTB units */ 967 UWORD16 u2_wd; 968 969 /* Tile height in CTB units */ 970 UWORD16 u2_ht; 971 972 }tile_t; 973 974 /** 975 * Structure to hold Profile tier level info for a given layer 976 */ 977 978 typedef struct 979 { 980 /** 981 * NAL unit type 982 */ 983 WORD8 i1_nal_unit_type; 984 985 /** 986 * NAL temporal id 987 */ 988 WORD8 i1_nuh_temporal_id; 989 }nal_header_t; 990 991 /** 992 * Structure to hold Profile tier level info for a given layer 993 */ 994 995 typedef struct 996 { 997 /** 998 * profile_space 999 */ 1000 WORD8 i1_profile_space; 1001 1002 /** 1003 * tier_flag 1004 */ 1005 WORD8 i1_tier_flag; 1006 1007 /** 1008 * profile_idc 1009 */ 1010 WORD8 i1_profile_idc; 1011 1012 /** 1013 * profile_compatibility_flag[] 1014 */ 1015 WORD8 ai1_profile_compatibility_flag[MAX_PROFILE_COMPATBLTY]; 1016 1017 /** 1018 * progressive_source_flag 1019 */ 1020 WORD8 i1_general_progressive_source_flag; 1021 1022 /** 1023 * interlaced_source_flag 1024 */ 1025 WORD8 i1_general_interlaced_source_flag; 1026 1027 /** 1028 * non_packed_constraint_flag 1029 */ 1030 WORD8 i1_general_non_packed_constraint_flag; 1031 1032 /** 1033 * frame_only_constraint_flag 1034 */ 1035 WORD8 i1_frame_only_constraint_flag; 1036 1037 /** 1038 * level_idc 1039 */ 1040 UWORD8 u1_level_idc; 1041 }profile_tier_lvl_t; 1042 1043 /** 1044 * Structure to hold Profile tier level info for all layers 1045 */ 1046 typedef struct 1047 { 1048 /** 1049 * Profile and tier information for general 1050 */ 1051 profile_tier_lvl_t s_ptl_gen; 1052 1053 /** 1054 * sub_layer_profile_present_flag[] 1055 */ 1056 WORD8 ai1_sub_layer_profile_present_flag[VPS_MAX_SUB_LAYERS - 1]; 1057 1058 /** 1059 * sub_layer_level_present_flag[] 1060 */ 1061 WORD8 ai1_sub_layer_level_present_flag[VPS_MAX_SUB_LAYERS - 1]; 1062 1063 /** 1064 * Profile and tier information for sub layers 1065 */ 1066 profile_tier_lvl_t as_ptl_sub[VPS_MAX_SUB_LAYERS - 1]; 1067 1068 }profile_tier_lvl_info_t; 1069 1070 /** 1071 * Structure to hold short term reference picture set info 1072 */ 1073 typedef struct 1074 { 1075 /** 1076 * delta_poc_s0_minus1[ i ] and delta_poc_s1_minus1[ i ] 1077 */ 1078 WORD16 ai2_delta_poc[MAX_DPB_SIZE]; 1079 1080 /** 1081 * inter_ref_pic_set_prediction_flag 1082 */ 1083 WORD8 i1_inter_ref_pic_set_prediction_flag; 1084 1085 /** 1086 * num_negative_pics 1087 */ 1088 WORD8 i1_num_neg_pics; 1089 1090 /** 1091 * num_positive_pics 1092 */ 1093 WORD8 i1_num_pos_pics; 1094 1095 /** 1096 * used_by_curr_pic_s0_flag[ i ] and used_by_curr_pic_s1_flag[i] 1097 */ 1098 WORD8 ai1_used[MAX_DPB_SIZE]; 1099 1100 /** 1101 * Ref Idc 1102 */ 1103 WORD8 ai1_ref_idc[MAX_DPB_SIZE]; 1104 1105 /** 1106 * Sum of positive and negative pics for each refence 1107 */ 1108 WORD8 i1_num_delta_pocs; 1109 1110 /** 1111 * Number of ref_idc 1112 */ 1113 WORD8 i1_num_ref_idc; 1114 }stref_picset_t; 1115 1116 /** 1117 * Structure to hold weighted prediction info such as weights and offsets 1118 */ 1119 typedef struct 1120 { 1121 /** luma_log2_weight_denom */ 1122 WORD8 i1_luma_log2_weight_denom; 1123 1124 /** delta_chroma_log2_weight_denom */ 1125 WORD8 i1_chroma_log2_weight_denom; 1126 1127 /** luma_weight_l0_flag[ i ] */ 1128 WORD8 i1_luma_weight_l0_flag[MAX_DPB_SIZE]; 1129 1130 /** chroma_weight_l0_flag[ i ] */ 1131 WORD8 i1_chroma_weight_l0_flag[MAX_DPB_SIZE]; 1132 1133 /** delta_luma_weight_l0[ i ] */ 1134 WORD16 i2_luma_weight_l0[MAX_DPB_SIZE]; 1135 1136 /** luma_offset_l0[ i ] */ 1137 WORD16 i2_luma_offset_l0[MAX_DPB_SIZE]; 1138 1139 /** delta_chroma_weight_l0[ i ][ j ] */ 1140 WORD16 i2_chroma_weight_l0_cb[MAX_DPB_SIZE]; 1141 1142 /** delta_chroma_offset_l0[ i ][ j ] */ 1143 WORD16 i2_chroma_offset_l0_cb[MAX_DPB_SIZE]; 1144 1145 /** delta_chroma_weight_l0[ i ][ j ] */ 1146 WORD16 i2_chroma_weight_l0_cr[MAX_DPB_SIZE]; 1147 1148 /** delta_chroma_offset_l0[ i ][ j ] */ 1149 WORD16 i2_chroma_offset_l0_cr[MAX_DPB_SIZE]; 1150 1151 /** luma_weight_l1_flag[ i ] */ 1152 WORD8 i1_luma_weight_l1_flag[MAX_DPB_SIZE]; 1153 1154 /** chroma_weight_l1_flag[ i ] */ 1155 WORD8 i1_chroma_weight_l1_flag[MAX_DPB_SIZE]; 1156 1157 /** delta_luma_weight_l1[ i ] */ 1158 WORD16 i2_luma_weight_l1[MAX_DPB_SIZE]; 1159 1160 /** luma_offset_l1[ i ] */ 1161 WORD16 i2_luma_offset_l1[MAX_DPB_SIZE]; 1162 1163 /** delta_chroma_weight_l1[ i ][ j ] */ 1164 WORD16 i2_chroma_weight_l1_cb[MAX_DPB_SIZE]; 1165 1166 /** delta_chroma_offset_l1[ i ][ j ] */ 1167 WORD16 i2_chroma_offset_l1_cb[MAX_DPB_SIZE]; 1168 1169 /** delta_chroma_weight_l1[ i ][ j ] */ 1170 WORD16 i2_chroma_weight_l1_cr[MAX_DPB_SIZE]; 1171 1172 /** delta_chroma_offset_l1[ i ][ j ] */ 1173 WORD16 i2_chroma_offset_l1_cr[MAX_DPB_SIZE]; 1174 1175 }pred_wt_ofst_t; 1176 1177 1178 /** 1179 * Structure to hold Reference picture list modification info 1180 */ 1181 typedef struct 1182 { 1183 /* ref_pic_list_modification_flag_l0 */ 1184 WORD8 i1_ref_pic_list_modification_flag_l0; 1185 1186 /* list_entry_l0[ i ] */ 1187 WORD8 i1_list_entry_l0[16]; 1188 1189 /* ref_pic_list_modification_flag_l1 */ 1190 WORD8 i1_ref_pic_list_modification_flag_l1; 1191 1192 /* list_entry_l1[ i ] */ 1193 WORD8 i1_list_entry_l1[16]; 1194 }rplm_t; 1195 1196 1197 /** 1198 * Structure to hold VPS info 1199 */ 1200 typedef struct 1201 { 1202 /** 1203 * video_parameter_set_id 1204 */ 1205 WORD8 i1_vps_id; 1206 1207 /** 1208 * vps_temporal_id_nesting_flag 1209 */ 1210 WORD8 i1_vps_temporal_id_nesting_flag; 1211 /** 1212 * sub_layer_ordering_info_present_flag 1213 */ 1214 WORD8 i1_sub_layer_ordering_info_present_flag; 1215 /** 1216 * vps_max_sub_layers_minus1 1217 */ 1218 WORD8 i1_vps_max_sub_layers; 1219 1220 /** 1221 * vps_max_dec_pic_buffering 1222 */ 1223 WORD8 ai1_vps_max_dec_pic_buffering[VPS_MAX_SUB_LAYERS]; 1224 1225 /** 1226 * vps_max_num_reorder_pics 1227 */ 1228 WORD8 ai1_vps_max_num_reorder_pics[VPS_MAX_SUB_LAYERS]; 1229 1230 /** 1231 * vps_max_latency_increase 1232 */ 1233 WORD8 ai1_vps_max_latency_increase[VPS_MAX_SUB_LAYERS]; 1234 1235 /** 1236 * vps_num_hrd_parameters 1237 */ 1238 WORD8 i1_vps_num_hrd_parameters; 1239 1240 /** 1241 * vps_max_nuh_reserved_zero_layer_id 1242 */ 1243 WORD8 i1_vps_max_nuh_reserved_zero_layer_id; 1244 1245 /** 1246 * vps_num_op_sets 1247 */ 1248 WORD8 i1_vps_num_op_sets; 1249 1250 /** 1251 * layer_id_included_flag 1252 */ 1253 //WORD8 ai1_layer_id_included_flag[2][MAX_NUH_LAYERS]; 1254 /** 1255 * Profile, Tier and Level info 1256 */ 1257 profile_tier_lvl_info_t s_ptl; 1258 1259 /** 1260 * bit_rate_info_present_flag[i] 1261 */ 1262 WORD8 ai1_bit_rate_info_present_flag[VPS_MAX_SUB_LAYERS]; 1263 1264 1265 /** 1266 * pic_rate_info_present_flag[i] 1267 */ 1268 WORD8 ai1_pic_rate_info_present_flag[VPS_MAX_SUB_LAYERS]; 1269 1270 /** 1271 * avg_bit_rate[i] 1272 */ 1273 UWORD16 au2_avg_bit_rate[VPS_MAX_SUB_LAYERS]; 1274 /** 1275 * max_bit_rate[i] 1276 */ 1277 UWORD16 au2_max_bit_rate[VPS_MAX_SUB_LAYERS]; 1278 /** 1279 * constant_pic_rate_idc[i] 1280 */ 1281 WORD8 ai1_constant_pic_rate_idc[VPS_MAX_SUB_LAYERS]; 1282 /** 1283 * avg_pic_rate[i] 1284 */ 1285 UWORD16 au2_avg_pic_rate[VPS_MAX_SUB_LAYERS]; 1286 }vps_t; 1287 1288 /** 1289 * Sub-layer HRD parameters Info 1290 */ 1291 typedef struct 1292 { 1293 /** 1294 * (together with bit_rate_scale) specifies the 1295 * maximum input bit rate for the i-th CPB 1296 */ 1297 UWORD32 au4_bit_rate_value_minus1[32]; 1298 /** 1299 * together with cpb_size_scale to specify the 1300 * CPB size when the CPB operates at the access unit level. 1301 */ 1302 UWORD32 au4_cpb_size_value_minus1[32]; 1303 1304 /** 1305 * together with cpb_size_du_scale to specify the CPB size 1306 * when the CPB operates at sub-picture level 1307 */ 1308 UWORD32 au4_cpb_size_du_value_minus1[32]; 1309 1310 /** 1311 * specifies the maximum input bit rate for the i-th CPB when the CPB 1312 * operates at the sub-picture level. bit_rate_du_value_minus1[ i ] 1313 * shall be in the range of 0 to 2^32 - 2 1314 */ 1315 UWORD32 au4_bit_rate_du_value_minus1[32]; 1316 1317 /** 1318 * if 1, specifies that the HSS operates in a constant bit rate (CBR) mode 1319 * if 0, specifies that the HSS operates in a intermittent bit rate (CBR) mode 1320 */ 1321 UWORD8 au1_cbr_flag[32]; 1322 1323 }sub_lyr_hrd_params_t; 1324 1325 /** 1326 * HRD parameters Info 1327 */ 1328 typedef struct 1329 { 1330 1331 /** 1332 * Indicates the presence of the 1333 * num_units_in_ticks, time_scale flag 1334 */ 1335 UWORD8 u1_timing_info_present_flag; 1336 1337 /** 1338 * Number of units that 1339 * correspond to one increment of the 1340 * clock. Indicates the resolution 1341 */ 1342 UWORD32 u4_num_units_in_tick; 1343 1344 /** 1345 * The number of time units that pass in one second 1346 */ 1347 UWORD32 u4_time_scale; 1348 1349 /** 1350 * Nal- hrd parameters flag 1351 */ 1352 UWORD8 u1_nal_hrd_parameters_present_flag; 1353 1354 /** 1355 * VCL- hrd parameters flag 1356 */ 1357 UWORD8 u1_vcl_hrd_parameters_present_flag; 1358 1359 /** 1360 * Indicates the presence of NAL-HRD params or VCL_HRD params 1361 * in the bitstream 1362 */ 1363 UWORD8 u1_cpbdpb_delays_present_flag; 1364 1365 /** 1366 * specifies that sub-picture level CPB removal delay parameters are 1367 * present in picture timing SEI messages 1368 */ 1369 UWORD8 u1_sub_pic_cpb_params_present_flag; 1370 1371 /** 1372 * specify the clock sub-tick 1373 * (the minimum interval of time that can be represented in the coded data when sub_pic_cpb_params_present_flag is equal to 1) 1374 */ 1375 UWORD8 u1_tick_divisor_minus2; 1376 1377 /** 1378 * specifies the length, in bits for the du cpb delay syntax in pt_sei 1379 */ 1380 UWORD8 u1_du_cpb_removal_delay_increment_length_minus1; 1381 1382 /** 1383 * Indicates presence of sub_pic_cpb_params in pic timing sei 1384 */ 1385 UWORD8 u1_sub_pic_cpb_params_in_pic_timing_sei_flag; 1386 1387 /** 1388 * specifies the length, in bits, of the pic_dpb_output_du_delay syntax 1389 * element in the picture timing SEI message and the 1390 * pic_spt_dpb_output_du_delay syntax element in the decoding unit 1391 * information SEI message 1392 */ 1393 UWORD8 u1_dpb_output_delay_du_length_minus1; 1394 1395 /** 1396 * (together with bit_rate_value_minus1) specifies the 1397 * maximum input bit rate of the i-th CPB 1398 */ 1399 UWORD32 u4_bit_rate_scale; 1400 1401 /** 1402 * (together with cpb_size_du_value_minus1) specfies 1403 * CPB size of the i-th CPB when the CPB operates 1404 * at the access unit level 1405 */ 1406 UWORD32 u4_cpb_size_scale; 1407 1408 /** 1409 * (together with cpb_size_du_value_minus1) specfies 1410 * CPB size of the i-th CPB when the CPB operates 1411 * at the sub-picture level 1412 */ 1413 UWORD32 u4_cpb_size_du_scale; 1414 1415 1416 /** 1417 * specifies the length, in bits for initial cpb delay (nal/vcl)sysntax in bp sei 1418 */ 1419 UWORD8 u1_initial_cpb_removal_delay_length_minus1; 1420 1421 /** 1422 * specifies the length, in bits for the au cpb delay syntax in pt_sei 1423 */ 1424 UWORD8 u1_au_cpb_removal_delay_length_minus1; 1425 1426 /** 1427 * specifies the length, in bits, of the pic_dpb_output_delay syntax element in the pt SEI message 1428 */ 1429 UWORD8 u1_dpb_output_delay_length_minus1; 1430 1431 /** 1432 * if 1, , for the highest temporal sub-layers, the temporal distance between the HRD output times 1433 * of consecutive pictures in output order is constrained refer to Table E-6 1434 */ 1435 UWORD8 au1_fixed_pic_rate_general_flag[6]; 1436 1437 UWORD8 au1_fixed_pic_rate_within_cvs_flag[6]; 1438 1439 /** 1440 * if 1, , for the highest temporal sub-layers, the temporal distance (in clock ticks) between the 1441 * element units that specify HRD output times of consecutive pictures in output order is constrained 1442 * refer to Table E-6 1443 */ 1444 UWORD8 au1_elemental_duration_in_tc_minus1[6]; 1445 1446 /** 1447 * specifies the HRD operational mode 1448 */ 1449 UWORD8 au1_low_delay_hrd_flag[6]; 1450 1451 /** 1452 * 1 specifies the number of alternative CPB specifications in the 1453 * bitstream of the cvs when HighestTid is equal to i 1454 */ 1455 UWORD8 au1_cpb_cnt_minus1[6]; 1456 1457 1458 /** 1459 * VUI level Sub-layer HRD parameters 1460 */ 1461 sub_lyr_hrd_params_t as_sub_layer_hrd_params[6]; 1462 1463 }hrd_params_t; 1464 1465 1466 /** 1467 * Structure to hold VUI parameters Info 1468 */ 1469 typedef struct 1470 { 1471 /** 1472 * indicates the presence of aspect_ratio 1473 */ 1474 UWORD8 u1_aspect_ratio_info_present_flag; 1475 1476 /** 1477 * specifies the aspect ratio of the luma samples 1478 */ 1479 UWORD8 u1_aspect_ratio_idc; 1480 1481 /** 1482 * width of the luma samples. user dependent 1483 */ 1484 UWORD16 u2_sar_width; 1485 1486 /** 1487 * hieght of the luma samples. user dependent 1488 */ 1489 UWORD16 u2_sar_height; 1490 1491 /** 1492 * if 1, specifies that the overscan_appropriate_flag is present 1493 * if 0, the preferred display method for the video signal is unspecified 1494 */ 1495 UWORD8 u1_overscan_info_present_flag; 1496 1497 /** 1498 * if 1,indicates that the cropped decoded pictures output 1499 * are suitable for display using overscan 1500 */ 1501 UWORD8 u1_overscan_appropriate_flag; 1502 1503 /** 1504 * if 1 specifies that video_format, video_full_range_flag and 1505 * colour_description_present_flag are present 1506 */ 1507 UWORD8 u1_video_signal_type_present_flag; 1508 1509 /** 1510 * 1511 */ 1512 UWORD8 u1_video_format; 1513 1514 /** 1515 * indicates the black level and range of the luma and chroma signals 1516 */ 1517 UWORD8 u1_video_full_range_flag; 1518 1519 /** 1520 * if 1,to 1 specifies that colour_primaries, transfer_characteristics 1521 * and matrix_coefficients are present 1522 */ 1523 UWORD8 u1_colour_description_present_flag; 1524 1525 /** 1526 * indicates the chromaticity coordinates of the source primaries 1527 */ 1528 UWORD8 u1_colour_primaries; 1529 1530 /** 1531 * indicates the opto-electronic transfer characteristic of the source picture 1532 */ 1533 UWORD8 u1_transfer_characteristics; 1534 1535 /** 1536 * the matrix coefficients used in deriving luma and chroma signals 1537 * from the green, blue, and red primaries 1538 */ 1539 UWORD8 u1_matrix_coefficients; 1540 1541 /** 1542 * if 1, specifies that chroma_sample_loc_type_top_field and 1543 * chroma_sample_loc_type_bottom_field are present 1544 */ 1545 UWORD8 u1_chroma_loc_info_present_flag; 1546 1547 /** 1548 * location of chroma samples 1549 */ 1550 UWORD8 u1_chroma_sample_loc_type_top_field; 1551 1552 UWORD8 u1_chroma_sample_loc_type_bottom_field; 1553 1554 /** 1555 * if 1, indicates that the value of all decoded chroma samples is 1556 * equal to 1 << ( BitDepthC - 1 ) 1557 */ 1558 UWORD8 u1_neutral_chroma_indication_flag; 1559 1560 /** 1561 * 1 indicates that the coded video sequence conveys pictures that represent fields 1562 * 0 indicates the pictures that represents field 1563 */ 1564 UWORD8 u1_field_seq_flag; 1565 1566 /** 1567 * specifies that picture timing SEI messages are present for every picture 1568 */ 1569 UWORD8 u1_frame_field_info_present_flag; 1570 1571 /** 1572 * 1 indicates that the default display window parameters follow next in the VUI 1573 */ 1574 UWORD8 u1_default_display_window_flag; 1575 1576 /** 1577 * specify the samples of the pictures in the coded video sequence 1578 * that are within the default display window, 1579 * in terms of a rectangular region specified in picture coordinates for display 1580 */ 1581 UWORD32 u4_def_disp_win_left_offset; 1582 1583 UWORD32 u4_def_disp_win_right_offset; 1584 1585 UWORD32 u4_def_disp_win_top_offset; 1586 1587 UWORD32 u4_def_disp_win_bottom_offset; 1588 1589 /** 1590 * to 1 specifies that the syntax structure hrd_parameters is present in the vui_parameters syntax structue 1591 */ 1592 UWORD8 u1_vui_hrd_parameters_present_flag; 1593 1594 /** 1595 * VUI level HRD parameters 1596 */ 1597 hrd_params_t s_vui_hrd_parameters; 1598 1599 /** 1600 * Indicates the presence of the 1601 * num_units_in_ticks, time_scale flag 1602 */ 1603 UWORD8 u1_vui_timing_info_present_flag; 1604 1605 /** 1606 * Number of units that 1607 * correspond to one increment of the 1608 * clock. Indicates the resolution 1609 */ 1610 UWORD32 u4_vui_num_units_in_tick; 1611 1612 /** 1613 * The number of time units that pass in one second 1614 */ 1615 UWORD32 u4_vui_time_scale; 1616 /** 1617 * if 1, indicates that the POC for each picture in the coded video sequence (cvs) (not the first picture), in decoding order, 1618 * is proportional to the output time of the picture relative to that of the first picture in the cvs 1619 */ 1620 UWORD8 u1_poc_proportional_to_timing_flag; 1621 1622 /** 1623 * num_ticks_poc_diff_one_minus1 plus 1 specifies the number of clock ticks 1624 * corresponding to a difference of poc values equal to 1 1625 */ 1626 UWORD8 u1_num_ticks_poc_diff_one_minus1; 1627 1628 /** 1629 * 1, specifies that the following cvs bitstream restriction parameters are present 1630 */ 1631 UWORD8 u1_bitstream_restriction_flag; 1632 1633 /** 1634 * if 1, indicates that each pps that is active in the cvs has 1635 * the same value of the tile syntax elements 1636 */ 1637 UWORD8 u1_tiles_fixed_structure_flag; 1638 1639 /** 1640 * if 0, indicates that no pel outside the pic boundaries and 1641 * no sub-pels derived using pels outside the pic boundaries is used for inter prediction 1642 */ 1643 UWORD8 u1_motion_vectors_over_pic_boundaries_flag; 1644 1645 /** 1646 * if 1, indicates 1647 * all P/B slices belonging to the same pic have an identical refpic list0, 1648 * all B slices that belong to the same picture have an identical refpic list1. 1649 */ 1650 UWORD8 u1_restricted_ref_pic_lists_flag; 1651 1652 /** 1653 * min_spatial_segmentation_idc, when not equal to 0, establishes a bound on the maximum possible size of distinct 1654 * coded spatial segmentation regions in the pictures of the CVS. When min_spatial_segmentation_idc is not present, it is 1655 * inferred to be equal to 0. The value of min_spatial_segmentation_idc shall be in the range of 0 to 4095, inclusive. 1656 * 1657 * can be used by a decoder to calculate the maximum number of luma samples to be processed by one processing thread 1658 * 1659 * If tiles=0 and entropy_sync=0 then 1660 * no slice shall exceed ( 4 * PicSizeInSamplesY ) / minSpatialSegmentationTimes4 luma samples 1661 * 1662 * If tiles=1 and entropy_sync=0 then 1663 * no tile shall exceed ( 4 * PicSizeInSamplesY ) / minSpatialSegmentationTimes4 luma samples 1664 * 1665 * If tiles=0 and entropy_sync=1 then 1666 * ( 2 * pic_height_in_luma_samples + pic_width_in_luma_samples ) * CtbSizeY 1667 * <= ( 4 * PicSizeInSamplesY ) / minSpatialSegmentationTimes4 1668 */ 1669 UWORD32 u4_min_spatial_segmentation_idc; 1670 /** 1671 * Indicates a number of bytes not exceeded by the sum of the sizes of the VCL NAL units 1672 * associated with any coded picture 1673 */ 1674 UWORD8 u1_max_bytes_per_pic_denom; 1675 1676 /** 1677 * Indicates an upper bound for the number of bits of coding_unit() data 1678 */ 1679 UWORD8 u1_max_bits_per_mincu_denom; 1680 1681 /** 1682 * Indicate the maximum absolute value of a decoded horizontal MV component 1683 * in quarter-pel luma units 1684 */ 1685 UWORD8 u1_log2_max_mv_length_horizontal; 1686 1687 /** 1688 * Indicate the maximum absolute value of a decoded vertical MV component 1689 * in quarter-pel luma units 1690 */ 1691 UWORD8 u1_log2_max_mv_length_vertical; 1692 1693 1694 }vui_t; 1695 1696 1697 /** 1698 * Structure to hold SPS info 1699 */ 1700 typedef struct 1701 { 1702 /** 1703 * pic_width_in_luma_samples 1704 */ 1705 WORD16 i2_pic_width_in_luma_samples; 1706 1707 /** 1708 * pic_height_in_luma_samples 1709 */ 1710 WORD16 i2_pic_height_in_luma_samples; 1711 1712 /** 1713 * pic_crop_left_offset 1714 */ 1715 WORD16 i2_pic_crop_left_offset; 1716 1717 /** 1718 * pic_crop_right_offset 1719 */ 1720 WORD16 i2_pic_crop_right_offset; 1721 1722 /** 1723 * pic_crop_top_offset 1724 */ 1725 WORD16 i2_pic_crop_top_offset; 1726 1727 /** 1728 * pic_crop_bottom_offset 1729 */ 1730 WORD16 i2_pic_crop_bottom_offset; 1731 1732 /** 1733 * seq_parameter_set_id 1734 */ 1735 WORD8 i1_sps_id; 1736 1737 /** 1738 * video_parameter_set_id 1739 */ 1740 WORD8 i1_vps_id; 1741 1742 /** 1743 * sps_max_sub_layers_minus1 1744 */ 1745 WORD8 i1_sps_max_sub_layers; 1746 1747 /** 1748 * chroma_format_idc 1749 */ 1750 WORD8 i1_chroma_format_idc; 1751 1752 /** 1753 * Bit depth of luma samples 1754 */ 1755 WORD8 i1_bit_depth_luma_minus8; 1756 1757 /** 1758 * Bit depth of chrma samples 1759 */ 1760 WORD8 i1_bit_depth_chroma_minus8; 1761 1762 /* separate_colour_plane_flag */ 1763 WORD8 i1_separate_colour_plane_flag; 1764 1765 /** 1766 * pic_cropping_flag 1767 */ 1768 WORD8 i1_pic_cropping_flag; 1769 1770 /** 1771 * pcm_enabled_flag 1772 */ 1773 WORD8 i1_pcm_enabled_flag; 1774 1775 /** 1776 * pcm_sample_bit_depth_luma 1777 */ 1778 WORD8 i1_pcm_sample_bit_depth_luma; 1779 1780 /** 1781 * pcm_sample_bit_depth_chroma 1782 */ 1783 WORD8 i1_pcm_sample_bit_depth_chroma; 1784 1785 /** 1786 * log2_max_pic_order_cnt_lsb_minus4 1787 */ 1788 WORD8 i1_log2_max_pic_order_cnt_lsb; 1789 /** 1790 * sps_sub_layer_ordering_info_present_flag 1791 */ 1792 WORD8 i1_sps_sub_layer_ordering_info_present_flag; 1793 /** 1794 * sps_max_dec_pic_buffering 1795 */ 1796 WORD8 ai1_sps_max_dec_pic_buffering[SPS_MAX_SUB_LAYERS]; 1797 1798 /** 1799 * sps_max_num_reorder_pics 1800 */ 1801 WORD8 ai1_sps_max_num_reorder_pics[SPS_MAX_SUB_LAYERS]; 1802 1803 /** 1804 * sps_max_latency_increase 1805 */ 1806 WORD8 ai1_sps_max_latency_increase[SPS_MAX_SUB_LAYERS]; 1807 1808 /** 1809 * log2_min_coding_block_size_minus3 1810 */ 1811 WORD8 i1_log2_min_coding_block_size; 1812 1813 /** 1814 * log2_diff_max_min_coding_block_size 1815 */ 1816 WORD8 i1_log2_diff_max_min_coding_block_size; 1817 1818 /** 1819 * log2_min_transform_block_size_minus2 1820 */ 1821 WORD8 i1_log2_min_transform_block_size; 1822 1823 /** 1824 * log2_diff_max_min_transform_block_size 1825 */ 1826 WORD8 i1_log2_diff_max_min_transform_block_size; 1827 1828 /** 1829 * log2_min_pcm_coding_block_size_minus3 1830 */ 1831 WORD8 i1_log2_min_pcm_coding_block_size; 1832 1833 /** 1834 * log2_diff_max_min_pcm_coding_block_size 1835 */ 1836 WORD8 i1_log2_diff_max_min_pcm_coding_block_size; 1837 1838 /** 1839 * max_transform_hierarchy_depth_inter 1840 */ 1841 WORD8 i1_max_transform_hierarchy_depth_inter; 1842 1843 /** 1844 * max_transform_hierarchy_depth_intra 1845 */ 1846 WORD8 i1_max_transform_hierarchy_depth_intra; 1847 1848 /** 1849 * scaling_list_enable_flag 1850 */ 1851 WORD8 i1_scaling_list_enable_flag; 1852 1853 /** 1854 * sps_scaling_list_data_present_flag 1855 */ 1856 WORD8 i1_sps_scaling_list_data_present_flag; 1857 1858 /** 1859 * amp_enabled_flag 1860 */ 1861 WORD8 i1_amp_enabled_flag; 1862 1863 /** 1864 * sample_adaptive_offset_enabled_flag 1865 */ 1866 WORD8 i1_sample_adaptive_offset_enabled_flag; 1867 1868 /** 1869 * pcm_loop_filter_disable_flag 1870 */ 1871 WORD8 i1_pcm_loop_filter_disable_flag; 1872 1873 /** 1874 * sps_temporal_id_nesting_flag 1875 */ 1876 WORD8 i1_sps_temporal_id_nesting_flag; 1877 1878 /** 1879 * num_short_term_ref_pic_sets 1880 */ 1881 WORD8 i1_num_short_term_ref_pic_sets; 1882 1883 /** 1884 * long_term_ref_pics_present_flag 1885 */ 1886 WORD8 i1_long_term_ref_pics_present_flag; 1887 1888 /** 1889 * num_long_term_ref_pics_sps 1890 */ 1891 WORD8 i1_num_long_term_ref_pics_sps; 1892 1893 /** 1894 * lt_ref_pic_poc_lsb_sps[] 1895 */ 1896 WORD8 ai1_lt_ref_pic_poc_lsb_sps[MAX_LTREF_PICS_SPS]; 1897 1898 /** 1899 * used_by_curr_pic_lt_sps_flag[] 1900 */ 1901 WORD8 ai1_used_by_curr_pic_lt_sps_flag[MAX_LTREF_PICS_SPS]; 1902 1903 /** 1904 * sps_temporal_mvp_enable_flag 1905 */ 1906 WORD8 i1_sps_temporal_mvp_enable_flag; 1907 1908 /** 1909 * strong_intra_smoothing_enable_flag 1910 */ 1911 WORD8 i1_strong_intra_smoothing_enable_flag; 1912 1913 /** 1914 * vui_parameters_present_flag 1915 */ 1916 WORD8 i1_vui_parameters_present_flag; 1917 1918 /** 1919 * vui parameters Structure info 1920 */ 1921 vui_t s_vui_parameters; 1922 1923 /** 1924 * Log2(CTB Size) in luma units 1925 */ 1926 1927 WORD8 i1_log2_ctb_size; 1928 1929 /** 1930 * Maximum transform block size 1931 */ 1932 WORD8 i1_log2_max_transform_block_size; 1933 1934 /** 1935 * Picture width in CTB units 1936 */ 1937 1938 WORD16 i2_pic_wd_in_ctb; 1939 1940 /** 1941 * Picture height in CTB units 1942 */ 1943 1944 WORD16 i2_pic_ht_in_ctb; 1945 1946 /** 1947 * Picture width in min CB units 1948 */ 1949 1950 WORD16 i2_pic_wd_in_min_cb; 1951 1952 /** 1953 * Picture height in min CB units 1954 */ 1955 1956 WORD16 i2_pic_ht_in_min_cb; 1957 1958 /** 1959 * Picture size in CTB units 1960 */ 1961 WORD32 i4_pic_size_in_ctb; 1962 1963 /** 1964 * Profile, Tier and Level info 1965 */ 1966 1967 profile_tier_lvl_info_t s_ptl; 1968 1969 /** 1970 * Short term reference pic set 1971 */ 1972 stref_picset_t as_stref_picset[MAX_STREF_PICS_SPS]; 1973 1974 /** 1975 * Pointer to scaling matrix 1976 */ 1977 /*************************************************************************/ 1978 /* Contanis the matrice in the following order in a 1D buffer */ 1979 /* Intra 4 x 4 Y, 4 x 4 U, 4 x 4 V */ 1980 /* Inter 4 x 4 Y, 4 x 4 U, 4 x 4 V */ 1981 /* Intra 8 x 8 Y, 8 x 8 U, 8 x 8 V */ 1982 /* Inter 8 x 8 Y, 8 x 8 U, 8 x 8 V */ 1983 /* Intra 16x16 Y, 16x16 U, 16x16 V */ 1984 /* Inter 16x16 Y, 16x16 U, 16x16 V */ 1985 /* Intra 32x32 Y */ 1986 /* Inter 32x32 Y */ 1987 /*************************************************************************/ 1988 WORD16 *pi2_scaling_mat; 1989 1990 /* 1991 * Flag indicating if the SPS is parsed 1992 */ 1993 WORD8 i1_sps_valid; 1994 1995 }sps_t; 1996 1997 /** 1998 * Structure to hold PPS info 1999 */ 2000 typedef struct 2001 { 2002 /** 2003 * Pointer to scaling matrix 2004 */ 2005 /*************************************************************************/ 2006 /* Contanis the matrice in the following order in a 1D buffer */ 2007 /* Intra 4 x 4 Y, 4 x 4 U, 4 x 4 V */ 2008 /* Inter 4 x 4 Y, 4 x 4 U, 4 x 4 V */ 2009 /* Intra 8 x 8 Y, 8 x 8 U, 8 x 8 V */ 2010 /* Inter 8 x 8 Y, 8 x 8 U, 8 x 8 V */ 2011 /* Intra 16x16 Y, 16x16 U, 16x16 V */ 2012 /* Inter 16x16 Y, 16x16 U, 16x16 V */ 2013 /* Intra 32x32 Y */ 2014 /* Inter 32x32 Y */ 2015 /*************************************************************************/ 2016 WORD16 *pi2_scaling_mat; 2017 2018 /** 2019 * Pointer to an array containing tile info such as position, width, height 2020 * of each tile 2021 */ 2022 2023 /* column_width_minus1[ i ] and row_height_minus1[ i ] */ 2024 tile_t *ps_tile; 2025 2026 /** 2027 * pic_parameter_set_id 2028 */ 2029 WORD8 i1_pps_id; 2030 2031 /** 2032 * seq_parameter_set_id 2033 */ 2034 WORD8 i1_sps_id; 2035 2036 /** 2037 * sign_data_hiding_flag 2038 */ 2039 WORD8 i1_sign_data_hiding_flag; 2040 2041 /** 2042 * cabac_init_present_flag 2043 */ 2044 WORD8 i1_cabac_init_present_flag; 2045 2046 /** 2047 * num_ref_idx_l0_default_active_minus1 2048 */ 2049 WORD8 i1_num_ref_idx_l0_default_active; 2050 2051 /** 2052 * num_ref_idx_l1_default_active_minus1 2053 */ 2054 WORD8 i1_num_ref_idx_l1_default_active; 2055 2056 /** 2057 * pic_init_qp_minus26 2058 */ 2059 WORD8 i1_pic_init_qp; 2060 2061 /** 2062 * constrained_intra_pred_flag 2063 */ 2064 WORD8 i1_constrained_intra_pred_flag; 2065 2066 /** 2067 * transform_skip_enabled_flag 2068 */ 2069 WORD8 i1_transform_skip_enabled_flag; 2070 2071 /** 2072 * cu_qp_delta_enabled_flag 2073 */ 2074 WORD8 i1_cu_qp_delta_enabled_flag; 2075 2076 /** 2077 * diff_cu_qp_delta_depth 2078 */ 2079 WORD8 i1_diff_cu_qp_delta_depth; 2080 2081 /** 2082 * pic_cb_qp_offset 2083 */ 2084 WORD8 i1_pic_cb_qp_offset; 2085 2086 /** 2087 * pic_cr_qp_offset 2088 */ 2089 WORD8 i1_pic_cr_qp_offset; 2090 2091 /** 2092 * pic_slice_level_chroma_qp_offsets_present_flag 2093 */ 2094 WORD8 i1_pic_slice_level_chroma_qp_offsets_present_flag; 2095 2096 /** 2097 * weighted_pred_flag 2098 */ 2099 WORD8 i1_weighted_pred_flag; 2100 2101 /** 2102 * weighted_bipred_flag 2103 */ 2104 WORD8 i1_weighted_bipred_flag; 2105 2106 /** 2107 * output_flag_present_flag 2108 */ 2109 WORD8 i1_output_flag_present_flag; 2110 2111 /** 2112 * transquant_bypass_enable_flag 2113 */ 2114 WORD8 i1_transquant_bypass_enable_flag; 2115 2116 /** 2117 * dependent_slice_enabled_flag 2118 */ 2119 WORD8 i1_dependent_slice_enabled_flag; 2120 2121 /** 2122 * tiles_enabled_flag 2123 */ 2124 WORD8 i1_tiles_enabled_flag; 2125 2126 /** 2127 * entropy_coding_sync_enabled_flag 2128 */ 2129 WORD8 i1_entropy_coding_sync_enabled_flag; 2130 2131 /** 2132 * entropy_slice_enabled_flag 2133 */ 2134 WORD8 i1_entropy_slice_enabled_flag; 2135 2136 /** 2137 * num_tile_columns_minus1 2138 */ 2139 WORD8 i1_num_tile_columns; 2140 2141 /** 2142 * num_tile_rows_minus1 2143 */ 2144 WORD8 i1_num_tile_rows; 2145 2146 /** 2147 * uniform_spacing_flag 2148 */ 2149 WORD8 i1_uniform_spacing_flag; 2150 2151 /** 2152 * loop_filter_across_tiles_enabled_flag 2153 */ 2154 WORD8 i1_loop_filter_across_tiles_enabled_flag; 2155 2156 /** 2157 * loop_filter_across_slices_enabled_flag 2158 */ 2159 WORD8 i1_loop_filter_across_slices_enabled_flag; 2160 2161 /** 2162 * deblocking_filter_control_present_flag 2163 */ 2164 WORD8 i1_deblocking_filter_control_present_flag; 2165 2166 /** 2167 * deblocking_filter_override_enabled_flag 2168 */ 2169 WORD8 i1_deblocking_filter_override_enabled_flag; 2170 2171 /** 2172 * pic_disable_deblocking_filter_flag 2173 */ 2174 WORD8 i1_pic_disable_deblocking_filter_flag; 2175 2176 /** 2177 * beta_offset_div2 2178 */ 2179 WORD8 i1_beta_offset_div2; 2180 2181 /** 2182 * tc_offset_div2 2183 */ 2184 WORD8 i1_tc_offset_div2; 2185 2186 /** 2187 * pps_scaling_list_data_present_flag 2188 */ 2189 WORD8 i1_pps_scaling_list_data_present_flag; 2190 2191 /** 2192 * lists_modification_present_flag 2193 */ 2194 WORD8 i1_lists_modification_present_flag; 2195 2196 /** 2197 * num_extra_slice_header_bits 2198 */ 2199 WORD8 i1_num_extra_slice_header_bits; 2200 2201 /** 2202 * log2_parallel_merge_level_minus2 2203 */ 2204 WORD8 i1_log2_parallel_merge_level; 2205 2206 /** 2207 * slice_header_extension_present_flag 2208 */ 2209 WORD8 i1_slice_header_extension_present_flag; 2210 2211 /** 2212 * slice_extension_present_flag 2213 */ 2214 WORD8 i1_slice_extension_present_flag; 2215 2216 /** 2217 * scaling_list_dc_coef_minus8 2218 */ 2219 /*************************************************************************/ 2220 /* DC value of the scaling list */ 2221 /* Only 16 x 16 and 32 x 32 scaling lists have valid entries. */ 2222 /* Entries stored for all sizes for uniformity. */ 2223 /* Remaining will be initialized to default values if used */ 2224 /*************************************************************************/ 2225 UWORD8 au1_scaling_list_dc_coef[TOTAL_SCALE_MAT_COUNT]; 2226 2227 /** 2228 * Log2MinCuQpDeltaSize 2229 */ 2230 WORD8 i1_log2_min_cu_qp_delta_size; 2231 2232 /* 2233 * Flag indicating if the PPS is parsed 2234 */ 2235 WORD8 i1_pps_valid; 2236 2237 }pps_t; 2238 2239 2240 2241 /** 2242 * Buffering Period SEI parameters Info 2243 */ 2244 typedef struct 2245 { 2246 /** 2247 * specifies SPS Id active for the coded picture assosiated 2248 * with the bp message. 2249 */ 2250 UWORD8 u1_sps_id; 2251 2252 /** 2253 * Derived from Hrd parameters 2254 */ 2255 UWORD8 u1_sub_pic_cpb_params_present_flag; 2256 2257 /** 2258 * specifies the presence of the initial_alt_cpb_removal_delay[ i ] 2259 * and initial_alt_cpb_removal_offset[ i ] syntax elements 2260 */ 2261 UWORD8 u1_rap_cpb_params_present_flag; 2262 2263 /** 2264 * cbp removal delay used in buffering period SEI 2265 */ 2266 UWORD32 cpb_delay_offset; 2267 2268 /** 2269 * dbp removal delay used in buffering period SEI 2270 */ 2271 UWORD32 dpb_delay_offset; 2272 2273 /** 2274 * concatanation flag 2275 */ 2276 UWORD8 concatenation_flag; 2277 2278 /** 2279 * delata cbp removal delay 2280 */ 2281 UWORD32 au_cpb_removal_delay_delta_minus1; 2282 2283 /** 2284 * specify the default initial CPB removal delays, respectively, 2285 * for the CPB when the NAL HRD parameters are in use 2286 */ 2287 UWORD32 au4_nal_initial_cpb_removal_delay[32]; 2288 2289 /** 2290 * specify the alternate initial CPB removal delays, respectively, 2291 * for the CPB when the NAL HRD parameters are in use 2292 */ 2293 UWORD32 au4_nal_initial_alt_cpb_removal_delay[32]; 2294 2295 /** 2296 * specify the initial CPB removal delay offset, respectively, 2297 * for the CPB when the NAL HRD parameters are in use 2298 */ 2299 UWORD32 au4_nal_initial_cpb_removal_delay_offset[32]; 2300 2301 /** 2302 * specify the alternate initial CPB removal delays offsets, respectively, 2303 * for the CPB when the NAL HRD parameters are in use 2304 */ 2305 UWORD32 au4_nal_initial_alt_cpb_removal_delay_offset[32]; 2306 2307 /** 2308 * specify the default initial CPB removal delays, respectively, 2309 * for the CPB when the VCL HRD parameters are in use 2310 */ 2311 UWORD32 au4_vcl_initial_cpb_removal_delay[32]; 2312 2313 /** 2314 * specify the initial alt CPB removal delays , respectively, 2315 * for the CPB when the VCL HRD parameters are in use 2316 */ 2317 UWORD32 au4_vcl_initial_alt_cpb_removal_delay[32]; 2318 2319 /** 2320 * specify the initial CPB removal delay offset, respectively, 2321 * for the CPB when the VCL HRD parameters are in use 2322 */ 2323 UWORD32 au4_vcl_initial_cpb_removal_delay_offset[32]; 2324 2325 /** 2326 * specify the alternate initial CPB removal delays offsets, respectively, 2327 * for the CPB when the VCL HRD parameters are in use 2328 */ 2329 UWORD32 au4_vcl_initial_alt_cpb_removal_delay_offset[32]; 2330 2331 /** 2332 * Inital CPB removal delay 2333 */ 2334 UWORD32 u4_initial_cpb_removal_delay_length; 2335 2336 /** 2337 * CPB cnt for corr. sublayer 2338 */ 2339 UWORD32 u4_cpb_cnt; 2340 2341 2342 /** 2343 * VBV buffer size used in buffering period SEI 2344 */ 2345 UWORD32 u4_buffer_size_sei; 2346 2347 /** 2348 * Encoder buffer fullness used in buffering period SEI 2349 */ 2350 UWORD32 u4_ebf_sei; 2351 2352 /** 2353 * target bitrate used in buffering period SEI 2354 */ 2355 UWORD32 u4_target_bit_rate_sei; 2356 2357 2358 2359 2360 }buf_period_sei_params_t; 2361 2362 2363 /** 2364 * Picture Timing SEI parameters Info 2365 */ 2366 typedef struct 2367 { 2368 /** 2369 * derived from vui parameters 2370 */ 2371 UWORD8 u1_frame_field_info_present_flag; 2372 2373 /** 2374 * indicates whether a picture should be displayed as a 2375 * frame or as one or more fields 2376 */ 2377 UWORD32 u4_pic_struct; 2378 2379 UWORD8 u1_num_clk_ticks; 2380 2381 /** 2382 * indicates whether a scan-type of the pic should be interpreted 2383 * as progressive or interlaced 2384 */ 2385 UWORD8 u1_progressive_source_idc; 2386 2387 /** 2388 * if 1, indicates if the current pic is a duplicte pic in output order 2389 */ 2390 UWORD8 u1_duplicate_flag; 2391 2392 /** 2393 * specifies the number clock ticks between the nominal CPB removal time 2394 * au associated with the pt SEI message and 2395 * the preceding au in decoding order that contained a bp SEI message 2396 */ 2397 UWORD32 u4_au_cpb_removal_delay_minus1; 2398 2399 /** 2400 * compute the DPB output time of the picture 2401 */ 2402 UWORD32 u4_pic_dpb_output_delay; 2403 2404 UWORD32 u4_pic_dpb_output_du_delay; 2405 2406 /** 2407 * specifies the number of decoding units in the access unit 2408 * the picture timing SEI message is associated with 2409 */ 2410 UWORD32 u4_num_decoding_units_minus1; 2411 2412 /** 2413 * if 1 specifies that the du_common_cpb_removal_delay_increment_minus1 is present 2414 */ 2415 UWORD32 u4_du_common_cpb_removal_delay_flag; 2416 2417 /** 2418 * specifies the duration, in units of clock sub-ticks, 2419 * between the nominal CPB removal times of any two consecutive decoding units 2420 * in decoding order in the access unit associated with the pt_SEI message 2421 */ 2422 UWORD32 u4_du_common_cpb_removal_delay_increment_minus1; //same as u4_du_cpb_removal_delay_increment_minus1 2423 2424 /** 2425 * specifies the number of NAL units in the decoding unit of the access unit 2426 * the picture timing SEI message is associated with. 2427 * range from 0 to (pic size in ctby - 1) 2428 */ 2429 UWORD32 u4_num_nalus_in_du_minus1; 2430 2431 /** 2432 * specifies the duration, in units of clock sub-ticks, 2433 * between the nominal CPB removal times of the ( i + 1 )-th decoding unit and the i-th decoding unit, 2434 * in decoding order, in the access unit associated with the pt_SEI message 2435 */ 2436 UWORD32 u4_du_cpb_removal_delay_increment_minus1; 2437 2438 2439 }pic_timing_sei_params_t; 2440 2441 /** 2442 * Structure to hold Recovery point SEI parameters Info 2443 */ 2444 typedef struct 2445 { 2446 /** 2447 * specifies the recovery point of output pictures in output order 2448 */ 2449 WORD32 i4_recovery_poc_cnt; 2450 2451 UWORD8 u1_exact_match_flag; 2452 2453 /** 2454 * indicates the presence or absence of a broken link in the NAL unit 2455 * stream at the location of the recovery point SEI message 2456 */ 2457 2458 UWORD8 u1_broken_link_flag; 2459 2460 }recovery_point_sei_params_t; 2461 /** 2462 * Structure to hold active parameter parameter set SEI parameters Info 2463 */ 2464 typedef struct 2465 { 2466 /* 2467 * active vps id 2468 */ 2469 2470 UWORD8 u1_active_video_parameter_set_id; 2471 2472 /* 2473 * default set to zero. 2474 */ 2475 UWORD8 u1_self_contained_cvs_flag; 2476 2477 UWORD8 u1_no_parameter_set_update_flag; 2478 2479 UWORD8 u1_num_sps_ids_minus1; 2480 2481 /* 2482 * active sps id 2483 */ 2484 UWORD8 au1_active_seq_parameter_set_id[15]; 2485 2486 }active_parameter_set_sei_param_t; 2487 2488 /** 2489 * Structure to hold SEI parameters Info 2490 */ 2491 typedef struct 2492 { 2493 2494 WORD8 i1_sei_parameters_present_flag; 2495 2496 WORD8 i1_aud_present_flag; 2497 2498 WORD8 i1_buf_period_params_present_flag; 2499 2500 WORD8 i1_pic_timing_params_present_flag; 2501 2502 WORD8 i1_recovery_point_params_present_flag; 2503 2504 buf_period_sei_params_t s_buf_period_sei_params; 2505 2506 pic_timing_sei_params_t s_pic_timing_sei_params; 2507 2508 recovery_point_sei_params_t s_recovery_point_params; 2509 2510 active_parameter_set_sei_param_t s_active_parameter_set_sei_params; 2511 2512 2513 }sei_params_t; 2514 2515 2516 2517 /** 2518 * Structure to hold slice header info 2519 */ 2520 typedef struct 2521 { 2522 /** 2523 * entry_point_offset[ i ] 2524 */ 2525 WORD32 *pi4_entry_point_offset; 2526 2527 /** 2528 * poc_lsb_lt[ i ] 2529 */ 2530 WORD32 ai4_poc_lsb_lt[MAX_DPB_SIZE]; 2531 2532 /** 2533 * slice_header_extension_length 2534 */ 2535 WORD16 i2_slice_header_extension_length; 2536 2537 /** 2538 * slice_address 2539 */ 2540 WORD16 i2_slice_address; 2541 2542 /** 2543 * first_slice_in_pic_flag 2544 */ 2545 WORD8 i1_first_slice_in_pic_flag; 2546 2547 /* PPS id */ 2548 WORD8 i1_pps_id; 2549 /** 2550 * no_output_of_prior_pics_flag 2551 */ 2552 WORD8 i1_no_output_of_prior_pics_flag; 2553 2554 /** 2555 * dependent_slice_flag 2556 */ 2557 WORD8 i1_dependent_slice_flag; 2558 2559 /** 2560 * slice_type 2561 */ 2562 WORD8 i1_slice_type; 2563 2564 /** 2565 * pic_output_flag 2566 */ 2567 WORD8 i1_pic_output_flag; 2568 2569 /** 2570 * colour_plane_id 2571 */ 2572 WORD8 i1_colour_plane_id; 2573 2574 /** 2575 * pic_order_cnt_lsb 2576 */ 2577 WORD32 i4_pic_order_cnt_lsb; 2578 2579 /** 2580 * absolute pic_order_cnt 2581 */ 2582 WORD32 i4_abs_pic_order_cnt; 2583 2584 /** 2585 * short_term_ref_pic_set_sps_flag 2586 */ 2587 WORD8 i1_short_term_ref_pic_set_sps_flag; 2588 2589 /** 2590 * short_term_ref_pic_set_idx 2591 */ 2592 WORD8 i1_short_term_ref_pic_set_idx; 2593 2594 /** 2595 * num_long_term_sps 2596 */ 2597 WORD8 i1_num_long_term_sps; 2598 2599 /** 2600 * num_long_term_pics 2601 */ 2602 WORD8 i1_num_long_term_pics; 2603 2604 /** 2605 * lt_idx_sps[ i ] 2606 */ 2607 WORD8 ai1_lt_idx_sps[MAX_DPB_SIZE]; 2608 2609 /** 2610 * used_by_curr_pic_lt_flag[ i ] 2611 */ 2612 WORD8 ai1_used_by_curr_pic_lt_flag[MAX_DPB_SIZE]; 2613 2614 /** 2615 * delta_poc_msb_present_flag[ i ] 2616 */ 2617 WORD8 ai1_delta_poc_msb_present_flag[MAX_DPB_SIZE]; 2618 2619 /** 2620 * delta_poc_msb_cycle_lt[ i ] 2621 */ 2622 WORD8 ai1_delta_poc_msb_cycle_lt[MAX_DPB_SIZE]; 2623 2624 /** 2625 * slice_sao_luma_flag 2626 */ 2627 WORD8 i1_slice_sao_luma_flag; 2628 2629 /** 2630 * slice_sao_chroma_flag 2631 */ 2632 WORD8 i1_slice_sao_chroma_flag; 2633 2634 /** 2635 * slice_temporal_mvp_enable_flag 2636 */ 2637 WORD8 i1_slice_temporal_mvp_enable_flag; 2638 2639 /** 2640 * num_ref_idx_active_override_flag 2641 */ 2642 WORD8 i1_num_ref_idx_active_override_flag; 2643 2644 /** 2645 * num_ref_idx_l0_active_minus1 2646 */ 2647 WORD8 i1_num_ref_idx_l0_active; 2648 2649 /** 2650 * num_ref_idx_l1_active_minus1 2651 */ 2652 WORD8 i1_num_ref_idx_l1_active; 2653 2654 /** 2655 * mvd_l1_zero_flag 2656 */ 2657 WORD8 i1_mvd_l1_zero_flag; 2658 2659 /** 2660 * cabac_init_flag 2661 */ 2662 WORD8 i1_cabac_init_flag; 2663 2664 /** 2665 * collocated_from_l0_flag 2666 */ 2667 WORD8 i1_collocated_from_l0_flag; 2668 2669 /** 2670 * collocated_ref_idx 2671 */ 2672 WORD8 i1_collocated_ref_idx; 2673 2674 /** 2675 * five_minus_max_num_merge_cand 2676 */ 2677 WORD8 i1_max_num_merge_cand; 2678 2679 /** 2680 * slice_qp_delta 2681 */ 2682 WORD8 i1_slice_qp_delta; 2683 2684 /** 2685 * slice_cb_qp_offset 2686 */ 2687 WORD8 i1_slice_cb_qp_offset; 2688 2689 /** 2690 * slice_cr_qp_offset 2691 */ 2692 WORD8 i1_slice_cr_qp_offset; 2693 2694 /** 2695 * deblocking_filter_override_flag 2696 */ 2697 WORD8 i1_deblocking_filter_override_flag; 2698 2699 /** 2700 * slice_disable_deblocking_filter_flag 2701 */ 2702 WORD8 i1_slice_disable_deblocking_filter_flag; 2703 2704 /** 2705 * beta_offset_div2 2706 */ 2707 WORD8 i1_beta_offset_div2; 2708 2709 /** 2710 * tc_offset_div2 2711 */ 2712 WORD8 i1_tc_offset_div2; 2713 2714 /** 2715 * slice_loop_filter_across_slices_enabled_flag 2716 */ 2717 WORD8 i1_slice_loop_filter_across_slices_enabled_flag; 2718 2719 /** 2720 * NUmber of entry point offsets 2721 */ 2722 WORD32 i4_num_entry_point_offsets; 2723 2724 /** 2725 * offset_len_minus1 2726 */ 2727 WORD8 i1_offset_len; 2728 2729 /** 2730 * Entry point offsets 2731 */ 2732 WORD32 *pu4_entry_point_offset; 2733 2734 /** 2735 * Short term reference picture set 2736 */ 2737 stref_picset_t s_stref_picset; 2738 2739 /** 2740 * Weight and offset info for Weighted prediction 2741 */ 2742 pred_wt_ofst_t s_wt_ofst; 2743 2744 /** 2745 * Reference prediction list modification 2746 */ 2747 rplm_t s_rplm; 2748 2749 /** 2750 * First CTB' X pos : slice_address % i2_pic_wd_in_ctb 2751 */ 2752 WORD16 i2_ctb_x; 2753 2754 /** 2755 * First CTB' Y pos : slice_address / i2_pic_wd_in_ctb 2756 */ 2757 WORD16 i2_ctb_y; 2758 2759 /** 2760 * L0 Reference pic lists 2761 */ 2762 ref_list_t as_ref_pic_list0[MAX_DPB_SIZE]; 2763 2764 /** 2765 * L1 Reference pic lists 2766 */ 2767 ref_list_t as_ref_pic_list1[MAX_DPB_SIZE]; 2768 2769 /** 2770 * NAL unit type of the slice 2771 */ 2772 WORD8 i1_nal_unit_type; 2773 2774 /** 2775 * Low delay check flag 2776 */ 2777 WORD8 i1_low_delay_flag; 2778 2779 /** 2780 * The last independent slice's start ctb_x 2781 * If the current slice is independent, it is the same as the current CTBs ctb_x 2782 */ 2783 WORD16 i2_independent_ctb_x; 2784 2785 /** 2786 * The last independent slice's start ctb_y 2787 * If the current slice is independent, it is the same as the current CTBs ctb_y 2788 */ 2789 WORD16 i2_independent_ctb_y; 2790 2791 UWORD8 u1_parse_data_init_done; 2792 2793 /** 2794 * Temporal ID in NAL header 2795 */ 2796 WORD32 u4_nuh_temporal_id; 2797 }slice_header_t; 2798 2799 2800 2801 2802 2803 2804 2805 2806 #endif /* _IHEVC_STRUCTS_H_ */ 2807
