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/** 43 * Buffering Period SEI parameters Info 44 */ 45typedef struct 46{ 47 /** 48 * specifies SPS Id active for the coded picture assosiated 49 * with the bp message. 50 */ 51 UWORD8 u1_bp_seq_parameter_set_id; 52 53 /** 54 * Derived from Hrd parameters 55 */ 56 UWORD8 u1_sub_pic_cpb_params_present_flag; 57 58 /** 59 * specifies the presence of the initial_alt_cpb_removal_delay[ i ] 60 * and initial_alt_cpb_removal_offset[ i ] syntax elements 61 */ 62 UWORD8 u1_rap_cpb_params_present_flag; 63 64 /** 65 * cbp removal delay used in buffering period SEI 66 */ 67 UWORD32 u4_cpb_delay_offset; 68 69 /** 70 * dbp removal delay used in buffering period SEI 71 */ 72 UWORD32 u4_dpb_delay_offset; 73 74 /** 75 * concatanation flag 76 */ 77 UWORD8 u1_concatenation_flag; 78 79 /** 80 * delata cbp removal delay 81 */ 82 UWORD32 u4_au_cpb_removal_delay_delta_minus1; 83 84 /** 85 * specify the default initial CPB removal delays, respectively, 86 * for the CPB when the NAL HRD parameters are in use 87 */ 88 UWORD32 au4_nal_initial_cpb_removal_delay[MAX_CPB_CNT]; 89 90 /** 91 * specify the alternate initial CPB removal delays, respectively, 92 * for the CPB when the NAL HRD parameters are in use 93 */ 94 UWORD32 au4_nal_initial_alt_cpb_removal_delay[MAX_CPB_CNT]; 95 96 /** 97 * specify the initial CPB removal delay offset, respectively, 98 * for the CPB when the NAL HRD parameters are in use 99 */ 100 UWORD32 au4_nal_initial_cpb_removal_delay_offset[MAX_CPB_CNT]; 101 102 /** 103 * specify the alternate initial CPB removal delays offsets, respectively, 104 * for the CPB when the NAL HRD parameters are in use 105 */ 106 UWORD32 au4_nal_initial_alt_cpb_removal_delay_offset[MAX_CPB_CNT]; 107 108 /** 109 * specify the default initial CPB removal delays, respectively, 110 * for the CPB when the VCL HRD parameters are in use 111 */ 112 UWORD32 au4_vcl_initial_cpb_removal_delay[MAX_CPB_CNT]; 113 114 /** 115 * specify the initial alt CPB removal delays , respectively, 116 * for the CPB when the VCL HRD parameters are in use 117 */ 118 UWORD32 au4_vcl_initial_alt_cpb_removal_delay[MAX_CPB_CNT]; 119 120 /** 121 * specify the initial CPB removal delay offset, respectively, 122 * for the CPB when the VCL HRD parameters are in use 123 */ 124 UWORD32 au4_vcl_initial_cpb_removal_delay_offset[MAX_CPB_CNT]; 125 126 /** 127 * specify the alternate initial CPB removal delays offsets, respectively, 128 * for the CPB when the VCL HRD parameters are in use 129 */ 130 UWORD32 au4_vcl_initial_alt_cpb_removal_delay_offset[MAX_CPB_CNT]; 131 132 /** 133 * Inital CPB removal delay 134 */ 135 UWORD32 u4_initial_cpb_removal_delay_length; 136 137 /** 138 * CPB cnt for corr. sublayer 139 */ 140 UWORD32 u4_cpb_cnt; 141 142 143 /** 144 * VBV buffer size used in buffering period SEI 145 */ 146 UWORD32 u4_buffer_size_sei; 147 148 /** 149 * Encoder buffer fullness used in buffering period SEI 150 */ 151 UWORD32 u4_dbf_sei; 152 153 /** 154 * target bitrate used in buffering period SEI 155 */ 156 UWORD32 u4_target_bit_rate_sei; 157 158}buf_period_sei_params_t; 159 160 161/** 162 * Picture Timing SEI parameters Info 163 */ 164typedef struct 165{ 166 /** 167 * derived from vui parameters 168 */ 169 UWORD8 u1_frame_field_info_present_flag; 170 171 /** 172 * indicates whether a picture should be displayed as a 173 * frame or as one or more fields 174 */ 175 UWORD32 u4_pic_struct; 176 177 UWORD32 u4_source_scan_type; 178 179 /** 180 * if 1, indicates if the current pic is a duplicte pic in output order 181 */ 182 UWORD8 u1_duplicate_flag; 183 184 /** 185 * specifies the number clock ticks between the nominal CPB removal time 186 * au associated with the pt SEI message and 187 * the preceding au in decoding order that contained a bp SEI message 188 */ 189 UWORD32 u4_au_cpb_removal_delay_minus1; 190 191 /** 192 * compute the DPB output time of the picture 193 */ 194 UWORD32 u4_pic_dpb_output_delay; 195 196 UWORD32 u4_pic_dpb_output_du_delay; 197 198 /** 199 * specifies the number of decoding units in the access unit 200 * the picture timing SEI message is associated with 201 */ 202 UWORD32 u4_num_decoding_units_minus1; 203 204 /** 205 * if 1 specifies that the du_common_cpb_removal_delay_increment_minus1 is present 206 */ 207 UWORD8 u1_du_common_cpb_removal_delay_flag; 208 209 /** 210 * specifies the duration, in units of clock sub-ticks, 211 * between the nominal CPB removal times of any two consecutive decoding units 212 * in decoding order in the access unit associated with the pt_SEI message 213 */ 214 UWORD32 u4_du_common_cpb_removal_delay_increment_minus1; //same as u4_du_cpb_removal_delay_increment_minus1 215 216 /** 217 * specifies the number of NAL units in the decoding unit of the access unit 218 * the picture timing SEI message is associated with. 219 * range from 0 to (pic size in ctby - 1) 220 */ 221 UWORD32 au4_num_nalus_in_du_minus1[4320 / MIN_CTB_SIZE]; 222 223 /** 224 * specifies the duration, in units of clock sub-ticks, 225 * between the nominal CPB removal times of the ( i + 1 )-th decoding unit and the i-th decoding unit, 226 * in decoding order, in the access unit associated with the pt_SEI message 227 */ 228 UWORD32 au4_du_cpb_removal_delay_increment_minus1[4320 / MIN_CTB_SIZE]; 229 230}pic_timing_sei_params_t; 231 232/** 233 * Structure to hold Recovery point SEI parameters Info 234 */ 235typedef struct 236{ 237 /** 238 * specifies the recovery point of output pictures in output order 239 */ 240 WORD32 i4_recovery_poc_cnt; 241 242 UWORD8 u1_exact_match_flag; 243 244 /** 245 * indicates the presence or absence of a broken link in the NAL unit 246 * stream at the location of the recovery point SEI message 247 */ 248 249 UWORD8 u1_broken_link_flag; 250 251}recovery_point_sei_params_t; 252 253/** 254 * Structure to hold Mastering Display Colour Volume SEI 255 */ 256typedef struct 257{ 258 /** 259 * Array to store the display_primaries_x values 260 */ 261 UWORD16 au2_display_primaries_x[3]; 262 263 /** 264 * Array to store the display_primaries_y values 265 */ 266 UWORD16 au2_display_primaries_y[3]; 267 268 /** 269 * Variable to store the white point x value 270 */ 271 UWORD16 u2_white_point_x; 272 273 /** 274 * Variable to store the white point y value 275 */ 276 UWORD16 u2_white_point_y; 277 278 /** 279 * Variable to store the max display mastering luminance value 280 */ 281 UWORD32 u4_max_display_mastering_luminance; 282 283 /** 284 * Variable to store the min display mastering luminance value 285 */ 286 UWORD32 u4_min_display_mastering_luminance; 287 288}mastering_dis_col_vol_sei_params_t; 289 290/** 291 * Structure to hold active parameter parameter set SEI parameters Info 292 */ 293typedef struct 294{ 295 /* 296 * active vps id 297 */ 298 299 UWORD8 u1_active_video_parameter_set_id; 300 301 /* 302 * default set to zero. 303 */ 304 UWORD8 u1_self_contained_cvs_flag; 305 306 UWORD8 u1_no_parameter_set_update_flag; 307 308 UWORD8 u1_num_sps_ids_minus1; 309 310 /* 311 * active sps id 312 */ 313 UWORD8 au1_active_seq_parameter_set_id[15]; 314 315 UWORD32 au4_layer_sps_idx[64]; 316 317}active_parameter_set_sei_param_t; 318 319/** 320 * Structure to hold SEI Hash values 321 */ 322typedef struct 323{ 324 /* 325 * SEI Hash values for each color component 326 */ 327 UWORD8 au1_sei_hash[3][16]; 328 329}hash_sei_param_t; 330 331/** 332 * Structure to hold user data registered SEI param Info 333 */ 334typedef struct 335{ 336 /** 337 * Contains country code by Annex A of Recommendation ITU-T T.35 338 */ 339 UWORD8 u1_itu_t_t35_country_code; 340 341 /** 342 * Contains country code by Annex B of Recommendation ITU-T T.35 343 */ 344 UWORD8 u1_itu_t_t35_country_code_extension_byte; 345 346 /** 347 * Contains data registered as specified in Recommendation ITU-T T.35 348 */ 349 UWORD8 u1_itu_t_t35_payload_byte[MAX_USERDATA_PAYLOAD]; 350 351 /** 352 * Valid payload size present in this buffer 353 */ 354 WORD32 i4_valid_payload_size; 355 356 /** 357 * Total payload size incase payloadSize > IHEVCD_MAX_USERDATA_PAYLOAD 358 */ 359 WORD32 i4_payload_size; 360}user_data_registered_itu_t_t35_t; 361 362/** 363 * Structure to hold time code SEI param info 364 */ 365typedef struct 366{ 367 /** 368 * Number of sets of clock timestamp syntax elements present for the current picture 369 */ 370 UWORD8 u1_num_clock_ts; 371 372 /** 373 * Indicates presenc of associated set of clock timestamps 374 */ 375 UWORD8 au1_clock_timestamp_flag[MAX_NUM_CLOCK_TS]; 376 377 /** 378 * Used in calculating clockTimestamp[i] 379 */ 380 UWORD8 au1_units_field_based_flag[MAX_NUM_CLOCK_TS]; 381 382 /** 383 * Specifies the method of dropping values of the n_frames[i] syntax element 384 */ 385 UWORD8 au1_counting_type[MAX_NUM_CLOCK_TS]; 386 387 /** 388 * Specifies that the n_frames[i] syntax element is followed by seconds_value[i], 389 * minutes_value[i] and hours_value[i] 390 */ 391 UWORD8 au1_full_timestamp_flag[MAX_NUM_CLOCK_TS]; 392 393 /** 394 * Indicates the discontinuity in clockTimestamp 395 */ 396 UWORD8 au1_discontinuity_flag[MAX_NUM_CLOCK_TS]; 397 398 /** 399 * Specifies the skipping of one or more values of n_frames[i] 400 */ 401 UWORD8 au1_cnt_dropped_flag[MAX_NUM_CLOCK_TS]; 402 403 /** 404 * Specifies the value of nFrames used to compute clockTimestamp[i] 405 */ 406 UWORD16 au2_n_frames[MAX_NUM_CLOCK_TS]; 407 408 /** 409 * Specifies the presence of seconds_value[i] and minutes_flag[i] 410 */ 411 UWORD8 au1_seconds_flag[MAX_NUM_CLOCK_TS]; 412 413 /** 414 * Specifies the presence of minutes_value[i] and hours_flag[i] 415 */ 416 UWORD8 au1_minutes_flag[MAX_NUM_CLOCK_TS]; 417 418 /** 419 * Specifies the presence of hours_value[i] 420 */ 421 UWORD8 au1_hours_flag[MAX_NUM_CLOCK_TS]; 422 423 /** 424 * Specifies the value of sS used to compute clockTimestamp[i] 425 */ 426 UWORD8 au1_seconds_value[MAX_NUM_CLOCK_TS]; 427 428 /** 429 * Specifies the value of mM used to compute clockTimestamp[i] 430 */ 431 UWORD8 au1_minutes_value[MAX_NUM_CLOCK_TS]; 432 433 /** 434 * Specifies the value of hH used to compute clockTimestamp[i] 435 */ 436 UWORD8 au1_hours_value[MAX_NUM_CLOCK_TS]; 437 438 /** 439 * Specifies the length in bits of the time_offset_value[i] 440 */ 441 UWORD8 au1_time_offset_length[MAX_NUM_CLOCK_TS]; 442 443 /** 444 * pecifies the value of tOffset used to compute clockTimestamp[i] 445 */ 446 UWORD8 au1_time_offset_value[MAX_NUM_CLOCK_TS]; 447 448}time_code_t; 449 450 451/** 452 * Structure to hold SEI parameters Info 453 */ 454typedef struct 455{ 456 457 WORD8 i1_sei_parameters_present_flag; 458 459 WORD8 i1_aud_present_flag; 460 461 WORD8 i1_buf_period_params_present_flag; 462 463 WORD8 i1_pic_timing_params_present_flag; 464 465 WORD8 i1_recovery_point_params_present_flag; 466 467 WORD8 i1_active_parameter_set; 468 469 WORD8 i4_sei_mastering_disp_colour_vol_params_present_flags; 470 471 /* Enable/Disable SEI Hash on the Decoded picture & Hash type */ 472 /* < 3 : Checksum, 2 : CRC, 1 : MD5, 0 : disable > */ 473 /* Other values are not supported */ 474 WORD8 i1_decoded_pic_hash_sei_flag; 475 476 /* number of user data e.g. CC data, BAR data, AFD data etc */ 477 WORD32 i4_sei_user_data_cnt; 478 479 WORD8 i1_user_data_registered_present_flag; 480 481 WORD8 i1_time_code_present_flag; 482 483 buf_period_sei_params_t s_buf_period_sei_params; 484 485 pic_timing_sei_params_t s_pic_timing_sei_params; 486 487 recovery_point_sei_params_t s_recovery_point_params; 488 489 active_parameter_set_sei_param_t s_active_parameter_set_sei_params; 490 491 hash_sei_param_t s_hash_sei_params; 492 493 mastering_dis_col_vol_sei_params_t s_mastering_dis_col_vol_sei_params; 494 495 user_data_registered_itu_t_t35_t as_user_data_registered_itu_t_t35[USER_DATA_MAX]; 496 497 time_code_t s_time_code; 498} sei_params_t; 499 500 501/** 502 * Sub-layer HRD parameters Info 503 */ 504typedef struct 505{ 506 /** 507 * (together with bit_rate_scale) specifies the 508 * maximum input bit rate for the i-th CPB 509 */ 510 UWORD32 au4_bit_rate_value_minus1[MAX_CPB_CNT]; 511 /** 512 * together with cpb_size_scale to specify the 513 * CPB size when the CPB operates at the access unit level. 514 */ 515 UWORD32 au4_cpb_size_value_minus1[MAX_CPB_CNT]; 516 517 /** 518 * together with cpb_size_du_scale to specify the CPB size 519 * when the CPB operates at sub-picture level 520 */ 521 UWORD32 au4_cpb_size_du_value_minus1[MAX_CPB_CNT]; 522 523 /** 524 * specifies the maximum input bit rate for the i-th CPB when the CPB 525 * operates at the sub-picture level. bit_rate_du_value_minus1[ i ] 526 * shall be in the range of 0 to 2^32 - 2 527 */ 528 UWORD32 au4_bit_rate_du_value_minus1[MAX_CPB_CNT]; 529 530 /** 531 * if 1, specifies that the HSS operates in a constant bit rate (CBR) mode 532 * if 0, specifies that the HSS operates in a intermittent bit rate (CBR) mode 533 */ 534 UWORD8 au1_cbr_flag[32]; 535 536}sub_lyr_hrd_params_t; 537 538/** 539 * HRD parameters Info 540 */ 541typedef struct 542{ 543 /** 544 * Indicates the presence of the 545 * num_units_in_ticks, time_scale flag 546 */ 547 UWORD8 u1_timing_info_present_flag; 548 549 /** 550 * Number of units that 551 * correspond to one increment of the 552 * clock. Indicates the resolution 553 */ 554 UWORD32 u4_num_units_in_tick; 555 556 /** 557 * The number of time units that pass in one second 558 */ 559 UWORD32 u4_time_scale; 560 561 /** 562 * Nal- hrd parameters flag 563 */ 564 UWORD8 u1_nal_hrd_parameters_present_flag; 565 566 /** 567 * VCL- hrd parameters flag 568 */ 569 UWORD8 u1_vcl_hrd_parameters_present_flag; 570 571 /** 572 * Indicates the presence of NAL-HRD params or VCL_HRD params 573 * in the bitstream 574 */ 575 UWORD8 u1_cpbdpb_delays_present_flag; 576 577 /** 578 * specifies that sub-picture level CPB removal delay parameters are 579 * present in picture timing SEI messages 580 */ 581 UWORD8 u1_sub_pic_cpb_params_present_flag; 582 583 /** 584 * specify the clock sub-tick 585 * (the minimum interval of time that can be represented in the coded data when sub_pic_cpb_params_present_flag is equal to 1) 586 */ 587 UWORD8 u1_tick_divisor_minus2; 588 589 /** 590 * specifies the length, in bits for the du cpb delay syntax in pt_sei 591 */ 592 UWORD8 u1_du_cpb_removal_delay_increment_length_minus1; 593 594 /** 595 * Indicates presence of sub_pic_cpb_params in pic timing sei 596 */ 597 UWORD8 u1_sub_pic_cpb_params_in_pic_timing_sei_flag; 598 599 /** 600 * specifies the length, in bits, of the pic_dpb_output_du_delay syntax 601 * element in the picture timing SEI message and the 602 * pic_spt_dpb_output_du_delay syntax element in the decoding unit 603 * information SEI message 604 */ 605 UWORD8 u1_dpb_output_delay_du_length_minus1; 606 607 /** 608 * (together with bit_rate_value_minus1) specifies the 609 * maximum input bit rate of the i-th CPB 610 */ 611 UWORD32 u4_bit_rate_scale; 612 613 /** 614 * (together with cpb_size_du_value_minus1) specfies 615 * CPB size of the i-th CPB when the CPB operates 616 * at the access unit level 617 */ 618 UWORD32 u4_cpb_size_scale; 619 620 /** 621 * (together with cpb_size_du_value_minus1) specfies 622 * CPB size of the i-th CPB when the CPB operates 623 * at the sub-picture level 624 */ 625 UWORD32 u4_cpb_size_du_scale; 626 627 628 /** 629 * specifies the length, in bits for initial cpb delay (nal/vcl)sysntax in bp sei 630 */ 631 UWORD8 u1_initial_cpb_removal_delay_length_minus1; 632 633 /** 634 * specifies the length, in bits for the au cpb delay syntax in pt_sei 635 */ 636 UWORD8 u1_au_cpb_removal_delay_length_minus1; 637 638 /** 639 * specifies the length, in bits, of the pic_dpb_output_delay syntax element in the pt SEI message 640 */ 641 UWORD8 u1_dpb_output_delay_length_minus1; 642 643 /** 644 * if 1, , for the highest temporal sub-layers, the temporal distance between the HRD output times 645 * of consecutive pictures in output order is constrained refer to Table E-6 646 */ 647 UWORD8 au1_fixed_pic_rate_general_flag[6]; 648 649 UWORD8 au1_fixed_pic_rate_within_cvs_flag[6]; 650 651 /** 652 * if 1, , for the highest temporal sub-layers, the temporal distance (in clock ticks) between the 653 * element units that specify HRD output times of consecutive pictures in output order is constrained 654 * refer to Table E-6 655 */ 656 UWORD8 au1_elemental_duration_in_tc_minus1[6]; 657 658 /** 659 * specifies the HRD operational mode 660 */ 661 UWORD8 au1_low_delay_hrd_flag[6]; 662 663 /** 664 * 1 specifies the number of alternative CPB specifications in the 665 * bitstream of the cvs when HighestTid is equal to i 666 */ 667 UWORD8 au1_cpb_cnt_minus1[6]; 668 669 670 /** 671 * VUI level Sub-layer HRD parameters 672 */ 673 sub_lyr_hrd_params_t as_sub_layer_hrd_params[6]; 674 675}hrd_params_t; 676 677/** 678 * Structure to hold VUI parameters Info 679 */ 680typedef struct 681{ 682 /** 683 * indicates the presence of aspect_ratio 684 */ 685 UWORD8 u1_aspect_ratio_info_present_flag; 686 687 /** 688 * specifies the aspect ratio of the luma samples 689 */ 690 UWORD8 u1_aspect_ratio_idc; 691 692 /** 693 * width of the luma samples. user dependent 694 */ 695 UWORD16 u2_sar_width; 696 697 /** 698 * hieght of the luma samples. user dependent 699 */ 700 UWORD16 u2_sar_height; 701 702 /** 703 * if 1, specifies that the overscan_appropriate_flag is present 704 * if 0, the preferred display method for the video signal is unspecified 705 */ 706 UWORD8 u1_overscan_info_present_flag; 707 708 /** 709 * if 1,indicates that the cropped decoded pictures output 710 * are suitable for display using overscan 711 */ 712 UWORD8 u1_overscan_appropriate_flag; 713 714 /** 715 * if 1 specifies that video_format, video_full_range_flag and 716 * colour_description_present_flag are present 717 */ 718 UWORD8 u1_video_signal_type_present_flag; 719 720 /** 721 * 722 */ 723 UWORD8 u1_video_format; 724 725 /** 726 * indicates the black level and range of the luma and chroma signals 727 */ 728 UWORD8 u1_video_full_range_flag; 729 730 /** 731 * if 1,to 1 specifies that colour_primaries, transfer_characteristics 732 * and matrix_coefficients are present 733 */ 734 UWORD8 u1_colour_description_present_flag; 735 736 /** 737 * indicates the chromaticity coordinates of the source primaries 738 */ 739 UWORD8 u1_colour_primaries; 740 741 /** 742 * indicates the opto-electronic transfer characteristic of the source picture 743 */ 744 UWORD8 u1_transfer_characteristics; 745 746 /** 747 * the matrix coefficients used in deriving luma and chroma signals 748 * from the green, blue, and red primaries 749 */ 750 UWORD8 u1_matrix_coefficients; 751 752 /** 753 * if 1, specifies that chroma_sample_loc_type_top_field and 754 * chroma_sample_loc_type_bottom_field are present 755 */ 756 UWORD8 u1_chroma_loc_info_present_flag; 757 758 /** 759 * location of chroma samples 760 */ 761 UWORD8 u1_chroma_sample_loc_type_top_field; 762 763 UWORD8 u1_chroma_sample_loc_type_bottom_field; 764 765 /** 766 * if 1, indicates that the value of all decoded chroma samples is 767 * equal to 1 << ( BitDepthC - 1 ) 768 */ 769 UWORD8 u1_neutral_chroma_indication_flag; 770 771 /** 772 * 1 indicates that the coded video sequence conveys pictures that represent fields 773 * 0 indicates the pictures that represents field 774 */ 775 UWORD8 u1_field_seq_flag; 776 777 /** 778 * specifies that picture timing SEI messages are present for every picture 779 */ 780 UWORD8 u1_frame_field_info_present_flag; 781 782 /** 783 * 1 indicates that the default display window parameters follow next in the VUI 784 */ 785 UWORD8 u1_default_display_window_flag; 786 787 /** 788 * specify the samples of the pictures in the coded video sequence 789 * that are within the default display window, 790 * in terms of a rectangular region specified in picture coordinates for display 791 */ 792 UWORD32 u4_def_disp_win_left_offset; 793 794 UWORD32 u4_def_disp_win_right_offset; 795 796 UWORD32 u4_def_disp_win_top_offset; 797 798 UWORD32 u4_def_disp_win_bottom_offset; 799 800 /** 801 * to 1 specifies that the syntax structure hrd_parameters is present in the vui_parameters syntax structue 802 */ 803 UWORD8 u1_vui_hrd_parameters_present_flag; 804 805 /** 806 * VUI level HRD parameters 807 */ 808 hrd_params_t s_vui_hrd_parameters; 809 810 /** 811 * Indicates the presence of the 812 * num_units_in_ticks, time_scale flag 813 */ 814 UWORD8 u1_vui_timing_info_present_flag; 815 816 /** 817 * Number of units that 818 * correspond to one increment of the 819 * clock. Indicates the resolution 820 */ 821 UWORD32 u4_vui_num_units_in_tick; 822 823 /** 824 * The number of time units that pass in one second 825 */ 826 UWORD32 u4_vui_time_scale; 827 /** 828 * if 1, indicates that the POC for each picture in the coded video sequence (cvs) (not the first picture), in decoding order, 829 * is proportional to the output time of the picture relative to that of the first picture in the cvs 830 */ 831 UWORD8 u1_poc_proportional_to_timing_flag; 832 833 /** 834 * num_ticks_poc_diff_one_minus1 plus 1 specifies the number of clock ticks 835 * corresponding to a difference of poc values equal to 1 836 */ 837 UWORD8 u1_num_ticks_poc_diff_one_minus1; 838 839 /** 840 * 1, specifies that the following cvs bitstream restriction parameters are present 841 */ 842 UWORD8 u1_bitstream_restriction_flag; 843 844 /** 845 * if 1, indicates that each pps that is active in the cvs has 846 * the same value of the tile syntax elements 847 */ 848 UWORD8 u1_tiles_fixed_structure_flag; 849 850 /** 851 * if 0, indicates that no pel outside the pic boundaries and 852 * no sub-pels derived using pels outside the pic boundaries is used for inter prediction 853 */ 854 UWORD8 u1_motion_vectors_over_pic_boundaries_flag; 855 856 /** 857 * if 1, indicates 858 * all P/B slices belonging to the same pic have an identical refpic list0, 859 * all B slices that belong to the same picture have an identical refpic list1. 860 */ 861 UWORD8 u1_restricted_ref_pic_lists_flag; 862 863 /** 864 * min_spatial_segmentation_idc, when not equal to 0, establishes a bound on the maximum possible size of distinct 865 * coded spatial segmentation regions in the pictures of the CVS. When min_spatial_segmentation_idc is not present, it is 866 * inferred to be equal to 0. The value of min_spatial_segmentation_idc shall be in the range of 0 to 4095, inclusive. 867 * 868 * can be used by a decoder to calculate the maximum number of luma samples to be processed by one processing thread 869 * 870 * If tiles=0 and entropy_sync=0 then 871 * no slice shall exceed ( 4 * PicSizeInSamplesY ) / minSpatialSegmentationTimes4 luma samples 872 * 873 * If tiles=1 and entropy_sync=0 then 874 * no tile shall exceed ( 4 * PicSizeInSamplesY ) / minSpatialSegmentationTimes4 luma samples 875 * 876 * If tiles=0 and entropy_sync=1 then 877 * ( 2 * pic_height_in_luma_samples + pic_width_in_luma_samples ) * CtbSizeY 878 * <= ( 4 * PicSizeInSamplesY ) / minSpatialSegmentationTimes4 879 */ 880 UWORD32 u4_min_spatial_segmentation_idc; 881 /** 882 * Indicates a number of bytes not exceeded by the sum of the sizes of the VCL NAL units 883 * associated with any coded picture 884 */ 885 UWORD8 u1_max_bytes_per_pic_denom; 886 887 /** 888 * Indicates an upper bound for the number of bits of coding_unit() data 889 */ 890 UWORD8 u1_max_bits_per_mincu_denom; 891 892 /** 893 * Indicate the maximum absolute value of a decoded horizontal MV component 894 * in quarter-pel luma units 895 */ 896 UWORD8 u1_log2_max_mv_length_horizontal; 897 898 /** 899 * Indicate the maximum absolute value of a decoded vertical MV component 900 * in quarter-pel luma units 901 */ 902 UWORD8 u1_log2_max_mv_length_vertical; 903}vui_t; 904 905/** 906 * Picture buffer 907 */ 908typedef struct 909{ 910 UWORD8 *pu1_luma; 911 UWORD8 *pu1_chroma; 912 913 WORD32 i4_abs_poc; 914 WORD32 i4_poc_lsb; 915 /** Used to store display Timestamp for current buffer */ 916 WORD32 u4_ts; 917 UWORD8 u1_used_as_ref; 918 919 UWORD8 u1_free_delay_cnt; 920 921 /** 922 * buffer ID from buffer manager 923 */ 924 UWORD8 u1_buf_id; 925 926 927 // See IV_FLD_TYPE_T for all field types 928 UWORD32 e4_fld_type; 929 930 sei_params_t s_sei_params; 931 932 WORD32 i4_vui_present; 933 934 vui_t s_vui; 935 936}pic_buf_t; 937 938 939/** 940 * Reference List 941 */ 942typedef struct 943{ 944 void *pv_pic_buf; 945 946 void *pv_mv_buf; 947 948 UWORD8 u1_used_as_ref; 949 950}ref_list_t; 951 952 953/** 954 * SAO 955 */ 956typedef struct 957{ 958 /** 959 * sao_type_idx_luma 960 */ 961 UWORD32 b3_y_type_idx : 3; 962 963 /** 964 * luma SaoOffsetVal[1] 965 */ 966 WORD32 b4_y_offset_1 : 4; 967 968 /** 969 * luma SaoOffsetVal[2] 970 */ 971 WORD32 b4_y_offset_2 : 4; 972 973 /** 974 * luma SaoOffsetVal[3] 975 */ 976 WORD32 b4_y_offset_3 : 4; 977 978 /** 979 * luma SaoOffsetVal[4] 980 */ 981 WORD32 b4_y_offset_4 : 4; 982 983 /** 984 * luma sao_band_position 985 */ 986 UWORD32 b5_y_band_pos : 5; 987 988 WORD32 : 0; 989 990 /** 991 * sao_type_idx_chroma 992 */ 993 UWORD32 b3_cb_type_idx : 3; 994 995 /** 996 * chroma SaoOffsetVal[1] 997 */ 998 WORD32 b4_cb_offset_1 : 4; 999 1000 /** 1001 * chroma SaoOffsetVal[2] 1002 */ 1003 WORD32 b4_cb_offset_2 : 4; 1004 1005 /** 1006 * chroma SaoOffsetVal[3] 1007 */ 1008 WORD32 b4_cb_offset_3 : 4; 1009 1010 /** 1011 * chroma SaoOffsetVal[4] 1012 */ 1013 WORD32 b4_cb_offset_4 : 4; 1014 1015 /** 1016 * cb sao_band_position 1017 */ 1018 UWORD32 b5_cb_band_pos : 5; 1019 1020 WORD32 : 0; 1021 1022 /** 1023 * sao_type_idx_chroma 1024 */ 1025 UWORD32 b3_cr_type_idx : 3; 1026 1027 /** 1028 * chroma SaoOffsetVal[1] 1029 */ 1030 WORD32 b4_cr_offset_1 : 4; 1031 1032 /** 1033 * chroma SaoOffsetVal[2] 1034 */ 1035 WORD32 b4_cr_offset_2 : 4; 1036 1037 /** 1038 * chroma SaoOffsetVal[3] 1039 */ 1040 WORD32 b4_cr_offset_3 : 4; 1041 1042 /** 1043 * chroma SaoOffsetVal[4] 1044 */ 1045 WORD32 b4_cr_offset_4 : 4; 1046 1047 /** 1048 * cr sao_band_position 1049 */ 1050 UWORD32 b5_cr_band_pos : 5; 1051 1052 WORD32 : 0; 1053 1054}sao_t; 1055 1056/** 1057 * SAO 1058 */ 1059typedef struct 1060{ 1061 /** 1062 * sao_type_idx_luma 1063 */ 1064 UWORD32 b3_y_type_idx : 3; 1065 1066 /** 1067 * luma SaoOffsetVal[1] 1068 */ 1069 WORD32 b8_y_offset_1 : 8; 1070 1071 /** 1072 * luma SaoOffsetVal[2] 1073 */ 1074 WORD32 b8_y_offset_2 : 8; 1075 1076 /** 1077 * luma SaoOffsetVal[3] 1078 */ 1079 WORD32 b8_y_offset_3 : 8; 1080 1081 /** 1082 * luma SaoOffsetVal[4] 1083 */ 1084 WORD32 b8_y_offset_4 : 8; 1085 1086 /** 1087 * luma sao_band_position 1088 */ 1089 UWORD32 b5_y_band_pos : 5; 1090 1091 WORD32 : 0; 1092 1093 /** 1094 * sao_type_idx_chroma 1095 */ 1096 UWORD32 b3_cb_type_idx : 3; 1097 1098 /** 1099 * chroma SaoOffsetVal[1] 1100 */ 1101 WORD32 b8_cb_offset_1 : 8; 1102 1103 /** 1104 * chroma SaoOffsetVal[2] 1105 */ 1106 WORD32 b8_cb_offset_2 : 8; 1107 1108 /** 1109 * chroma SaoOffsetVal[3] 1110 */ 1111 WORD32 b8_cb_offset_3 : 8; 1112 1113 /** 1114 * chroma SaoOffsetVal[4] 1115 */ 1116 WORD32 b8_cb_offset_4 : 8; 1117 1118 /** 1119 * cb sao_band_position 1120 */ 1121 UWORD32 b5_cb_band_pos : 5; 1122 1123 WORD32 : 0; 1124 1125 /** 1126 * sao_type_idx_chroma 1127 */ 1128 UWORD32 b3_cr_type_idx : 3; 1129 1130 /** 1131 * chroma SaoOffsetVal[1] 1132 */ 1133 WORD32 b8_cr_offset_1 : 8; 1134 1135 /** 1136 * chroma SaoOffsetVal[2] 1137 */ 1138 WORD32 b8_cr_offset_2 : 8; 1139 1140 /** 1141 * chroma SaoOffsetVal[3] 1142 */ 1143 WORD32 b8_cr_offset_3 : 8; 1144 1145 /** 1146 * chroma SaoOffsetVal[4] 1147 */ 1148 WORD32 b8_cr_offset_4 : 8; 1149 1150 /** 1151 * cr sao_band_position 1152 */ 1153 UWORD32 b5_cr_band_pos : 5; 1154 1155 WORD32 : 0; 1156 1157}sao_10bd_t; 1158 1159/** 1160 * Motion vector 1161 */ 1162typedef struct 1163{ 1164 /** 1165 * Horizontal Motion Vector 1166 */ 1167 WORD16 i2_mvx; 1168 1169 /** 1170 * Vertical Motion Vector 1171 */ 1172 WORD16 i2_mvy; 1173}mv_t; 1174 1175/*****************************************************************************/ 1176/* Following results in packed 48 bit structure. If mv_t included */ 1177/* ref_pic_buf_id, then 8 bits will be wasted for each mv for aligning. */ 1178/* Also using mv_t as elements directly instead of a pointer to l0 and l1 */ 1179/* mvs. Since pointer takes 4 bytes and MV itself is 4 bytes. It does not */ 1180/* really help using pointers. */ 1181/*****************************************************************************/ 1182 1183/** 1184 * PU Motion Vector info 1185 */ 1186typedef struct 1187{ 1188 /** 1189 * L0 Motion Vector 1190 */ 1191 mv_t s_l0_mv; 1192 1193 /** 1194 * L1 Motion Vector 1195 */ 1196 mv_t s_l1_mv; 1197 1198 /** 1199 * L0 Ref index 1200 */ 1201 WORD8 i1_l0_ref_idx; 1202 1203 /** 1204 * L1 Ref index 1205 */ 1206 WORD8 i1_l1_ref_idx; 1207 1208 /** 1209 * L0 Ref Pic Buf ID 1210 */ 1211 WORD8 i1_l0_ref_pic_buf_id; 1212 1213 /** 1214 * L1 Ref Pic Buf ID 1215 */ 1216 WORD8 i1_l1_ref_pic_buf_id; 1217 1218}pu_mv_t; 1219 1220/** 1221 * PU information 1222 */ 1223typedef struct 1224{ 1225 1226 /** 1227 * PU motion vectors 1228 */ 1229 pu_mv_t mv; 1230 1231 /** 1232 * PU X position in terms of min PU (4x4) units 1233 */ 1234 UWORD32 b4_pos_x : 4; 1235 1236 /** 1237 * PU Y position in terms of min PU (4x4) units 1238 */ 1239 UWORD32 b4_pos_y : 4; 1240 1241 /** 1242 * PU width in pixels = (b4_wd + 1) << 2 1243 */ 1244 UWORD32 b4_wd : 4; 1245 1246 /** 1247 * PU height in pixels = (b4_ht + 1) << 2 1248 */ 1249 UWORD32 b4_ht : 4; 1250 1251 /** 1252 * Intra or Inter flag for each partition - 0 or 1 1253 */ 1254 UWORD32 b1_intra_flag : 1; 1255 1256 1257 /** 1258 * PRED_L0, PRED_L1, PRED_BI - Initialized in parsing only for MVP case 1259 */ 1260 UWORD32 b2_pred_mode : 2; 1261 1262 1263 /** 1264 * Merge flag for each partition - 0 or 1 1265 */ 1266 UWORD32 b1_merge_flag : 1; 1267 1268 /** 1269 * Merge index for each partition - 0 to 4 1270 */ 1271 UWORD32 b3_merge_idx : 3; 1272 1273 /*************************************************************************/ 1274 /* Following two flags can be overloaded with b3_merge_idx if there */ 1275 /* is need for additional bits */ 1276 /*************************************************************************/ 1277 1278 /** 1279 * If merge is zero, following gives presence of mvd for L0 MV 1280 */ 1281 UWORD32 b1_l0_mvp_idx : 1; 1282 1283 /** 1284 * If merge is zero, following gives presence of mvd for L1 MV 1285 */ 1286 UWORD32 b1_l1_mvp_idx : 1; 1287 1288 /** 1289 * Partition mode - Needed during MV merge stage 1290 * Note: Part mode can be derived using pu_wd, pu_ht and minCB size 1291 * If there is a need for bits, the following can be removed at the cost 1292 * of more control code in MV Merge 1293 */ 1294 UWORD32 b3_part_mode : 3; 1295 1296 /** 1297 * Partition index - Needed during MV merge stage 1298 */ 1299 UWORD32 b2_part_idx : 2; 1300 1301}pu_t; 1302 1303/** 1304 * TU information 1305 */ 1306typedef struct 1307{ 1308 /** 1309 * TU X position in terms of min TU (4x4) units 1310 */ 1311 UWORD32 b4_pos_x : 4; 1312 1313 /** 1314 * TU Y position in terms of min TU (4x4) units 1315 */ 1316 UWORD32 b4_pos_y : 4; 1317 1318 /*************************************************************************/ 1319 /* Luma TU size (width or height) = 1 << (b3_size + 2) */ 1320 /* i.e. 0 : 4, 1 : 8, 2: 16, 3: 32, 4: 64 */ 1321 /* Note: Though 64 x 64 TU is not possible, this size is supported to */ 1322 /* signal SKIP CUs or PCM CUs etc where transform is not called */ 1323 /* Chroma width will be half of luma except for 4x4 luma */ 1324 /*************************************************************************/ 1325 /** 1326 * Luma TU size (width or height) 1327 */ 1328 UWORD32 b3_size : 3; //To be changed. 1329 1330 /*************************************************************************/ 1331 /* Chroma present : For 4x4 Luma TUs only the fourth one contains Cb */ 1332 /* Cr info. For the first three TUs in 8x8 (for 4x4 luma) this will */ 1333 /* be zero. For all the other cases this will be 1 */ 1334 /*************************************************************************/ 1335 /** 1336 * 4x4 Luma TUs only the fourth one contains cb,cr 1337 * TODO: Check if this is really needed, cb_cbf and cr_cbf should be enough 1338 */ 1339 1340 /** 1341 * Y CBF 1342 */ 1343 UWORD32 b1_y_cbf : 1; 1344 1345 /** 1346 * Cb CBF 1347 */ 1348 UWORD32 b1_cb_cbf : 1; 1349 1350 1351 /** 1352 * Cr CBF 1353 */ 1354 UWORD32 b1_cr_cbf : 1; 1355 1356 1357 /** 1358 * Flag to indicate if it is the first TU in a CU 1359 */ 1360 UWORD32 b1_first_tu_in_cu : 1; 1361 1362 /** 1363 * Transform quant bypass flag 1364 */ 1365 UWORD32 b1_transquant_bypass : 1; 1366 1367 /** 1368 * Y Qp 1369 */ 1370 //UWORD32 b6_qp : 6; // BUG_FIX related to nighbour QP's in case of negative QP for HBD. 1371 WORD32 b7_qp : 7; 1372 1373 1374 /** 1375 * Luma Intra Mode 0 - 34 1376 */ 1377 UWORD32 b6_luma_intra_mode : 6; 1378 1379 /*************************************************************************/ 1380 /* Chroma Intra Mode Index 0 - 4: Actual mode (0, 1, 10, 26, 34, X) to be*/ 1381 /* derived using luma_intra_mode and the following */ 1382 /*************************************************************************/ 1383 /** 1384 * Chroma Intra Mode Index 0 - 4 1385 */ 1386 UWORD32 b3_chroma_intra_mode_idx : 3; 1387 1388}tu_t; 1389 1390/** 1391 * CU information 1392 */ 1393typedef struct 1394{ 1395 1396 /** 1397 * CU X position in terms of min CU (8x8) units 1398 */ 1399 UWORD32 b3_cu_pos_x :3; 1400 1401 /** 1402 * CU Y position in terms of min CU (8x8) units 1403 */ 1404 UWORD32 b3_cu_pos_y :3; 1405 1406 /** 1407 * CU size in terms of min CU (8x8) units 1408 */ 1409 UWORD32 b4_cu_size :4; 1410 1411 /** 1412 * transquant bypass flag ; 0 for this encoder 1413 */ 1414 UWORD32 b1_tq_bypass_flag :1; 1415 1416 /** 1417 * CU skip flag 1418 */ 1419 UWORD32 b1_skip_flag :1; 1420 1421 /** 1422 * intra / inter CU flag 1423 */ 1424 UWORD32 b1_pred_mode_flag :1; 1425 1426 /** 1427 * indicates partition information for CU 1428 * For intra 0 : for 2Nx2N / 1 for NxN iff CU=minCBsize 1429 * For inter 0 : @sa PART_SIZE_E 1430 */ 1431 UWORD32 b3_part_mode :3; 1432 1433 /** 1434 * 0 for this encoder 1435 */ 1436 UWORD32 b1_pcm_flag :1; 1437 1438 /** 1439 * only applicable for intra cu 1440 */ 1441 UWORD32 b3_chroma_intra_pred_mode :3; 1442 1443 /** 1444 * only applicable for intra cu 1445 */ 1446 UWORD32 b1_prev_intra_luma_pred_flag0 :1; 1447 1448 /** 1449 * only applicable for intra cu and pred_mode=NxN 1450 */ 1451 UWORD32 b1_prev_intra_luma_pred_flag1 :1; 1452 1453 /** 1454 * only applicable for intra cu and pred_mode=NxN 1455 */ 1456 UWORD32 b1_prev_intra_luma_pred_flag2 :1; 1457 1458 /** 1459 * only applicable for intra cu and pred_mode=NxN 1460 */ 1461 UWORD32 b1_prev_intra_luma_pred_flag3 :1; 1462 1463 /** 1464 * only applicable for luma intra cu 1465 */ 1466 UWORD32 b2_mpm_idx0 :2; 1467 1468 /** 1469 * only applicable for intra cu and pred_mode=NxN 1470 */ 1471 UWORD32 b2_mpm_idx1 :2; 1472 1473 /** 1474 * only applicable for intra cu and pred_mode=NxN 1475 */ 1476 UWORD32 b2_mpm_idx2 :2; 1477 1478 /** 1479 * only applicable for intra cu and pred_mode=NxN 1480 */ 1481 UWORD32 b2_mpm_idx3 :2; 1482 1483 /** 1484 * only applicable for intra cu 1485 */ 1486 UWORD32 b5_rem_intra_pred_mode0 :5; 1487 1488 /** 1489 * only applicable for intra cu and pred_mode=NxN 1490 */ 1491 UWORD32 b5_rem_intra_pred_mode1 :5; 1492 1493 /** 1494 * only applicable for intra cu and pred_mode=NxN 1495 */ 1496 UWORD32 b5_rem_intra_pred_mode2 :5; 1497 1498 /** 1499 * only applicable for intra cu and pred_mode=NxN 1500 */ 1501 UWORD32 b5_rem_intra_pred_mode3 :5; 1502 1503 /** 1504 * no residue flag for cu 1505 */ 1506 UWORD32 b1_no_residual_syntax_flag :1; 1507 1508}cu_t; 1509 1510/*****************************************************************************/ 1511/* Since the following data will be accessed linearly (no random access */ 1512/* is needed for this) there is no need to store a frame level offset for */ 1513/* each CTB's TU data. Only a pointer to this is stored in CTB's structure */ 1514/*****************************************************************************/ 1515 1516typedef struct 1517{ 1518 /*************************************************************************/ 1519 /* Number of TUs filled in as_tu */ 1520 /* Having the first entry as 32 bit data, helps in keeping each of */ 1521 /* the structures aligned to 32 bits at CTB level */ 1522 /*************************************************************************/ 1523 /** 1524 * Number of TUs filled in as_tu 1525 */ 1526 WORD32 i4_tu_cnt; 1527 1528 /** 1529 * Array to map each min TU unit to a corresponding entry in as_tu 1530 */ 1531 UWORD8 au1_tu_map[MAX_TU_IN_CTB]; 1532 1533 /*************************************************************************/ 1534 /* TU level information */ 1535 /* Though the allocation for as_pu as done to handle worst case data, */ 1536 /* only valid number of TUs will be filled in the following array. */ 1537 /* Next CTB starts after the valid as_tu entries */ 1538 /*************************************************************************/ 1539 /** 1540 * TU level information 1541 */ 1542 tu_t as_tu[MAX_TU_IN_CTB]; 1543 1544}ctb_tu_list_t; 1545 1546/*****************************************************************************/ 1547/* Info from last TU row of CTB is stored in a row level neighbour buffer */ 1548/* , which will be used for Boundary Strength computation */ 1549/*****************************************************************************/ 1550/** 1551 * CTB neighbor info 1552 */ 1553typedef struct 1554{ 1555 /** 1556 * Slice index of the ctb 1557 */ 1558 UWORD16 u2_slice_idx; 1559 1560 /*************************************************************************/ 1561 /* CBF of bottom TU row (replicated in 4 pixel boundary) */ 1562 /* MSB contains CBF of first TU in the last row and LSB contains CBF */ 1563 /* of last TU in the last row */ 1564 /*************************************************************************/ 1565 /** 1566 * CBF of bottom TU row 1567 */ 1568 UWORD16 u2_packed_cbf; 1569 1570 /*************************************************************************/ 1571 /* QP of bottom TU row (replicated at 8 pixel boundary (Since QP can */ 1572 /* not change at less than min CU granularity) */ 1573 /*************************************************************************/ 1574 /** 1575 * QP of bottom TU row 1576 */ 1577 UWORD8 au1_qp[MAX_CU_IN_CTB_ROW]; 1578 1579}ctb_top_ny_info_t; 1580 1581/** 1582 * CTB level info 1583 */ 1584typedef struct _ctb_t 1585{ 1586 /*************************************************************************/ 1587 /* Tile boundary can be detected by looking at tile start x and tile */ 1588 /* start y. And based on the tile, slice and frame boundary the */ 1589 /* following will be initialized. */ 1590 /*************************************************************************/ 1591 /** 1592 * Pointer to left CTB 1593 */ 1594 /* If not available, this will be set to NULL */ 1595 struct _ctb_t *ps_ctb_left; 1596 1597 /** 1598 * Pointer to top-left CTB 1599 */ 1600 /* If not available, this will be set to NULL */ 1601 ctb_top_ny_info_t *ps_ctb_ny_topleft; 1602 1603 /** 1604 * Pointer to top CTB 1605 */ 1606 /* If not available, this will be set to NULL */ 1607 ctb_top_ny_info_t *ps_ctb_ny_top; 1608 1609 /** 1610 * Pointer to top-right CTB 1611 */ 1612 /* If not available, this will be set to NULL */ 1613 ctb_top_ny_info_t *ps_ctb_ny_topright; 1614 1615 /*************************************************************************/ 1616 /* Pointer to PU data. */ 1617 /* This points to a MV Bank stored at frame level. Though this */ 1618 /* pointer can be derived by reading offset at frame level, it is */ 1619 /* stored here for faster access. Can be removed if storage of CTB */ 1620 /* structure is critical */ 1621 /*************************************************************************/ 1622 /** 1623 * Pointer to PU data 1624 */ 1625 pu_t *ps_pu; 1626 1627 /*************************************************************************/ 1628 /* Pointer to a PU map stored at frame level, */ 1629 /* Though this pointer can be derived by multiplying CTB adress with */ 1630 /* number of minTUs in a CTB, it is stored here for faster access. */ 1631 /* Can be removed if storage of CTB structure is critical */ 1632 /*************************************************************************/ 1633 /** 1634 * Pointer to a PU map stored at frame level 1635 */ 1636 UWORD8 *pu1_pu_map; 1637 1638 /** 1639 * Number of TUs filled in as_tu 1640 */ 1641 /*************************************************************************/ 1642 /* Having the first entry as 32 bit data, helps in keeping each of */ 1643 /* the structures aligned to 32 bits at CTB level */ 1644 /*************************************************************************/ 1645 WORD32 i4_tu_cnt; 1646 1647 /** 1648 * Array to map each min TU unit to a corresponding entry in as_tu 1649 */ 1650 UWORD8 *pu1_tu_map; 1651 1652 /** 1653 * TU level information 1654 */ 1655 /*************************************************************************/ 1656 /* Though the allocation for as_pu as done to handle worst case data, */ 1657 /* only valid number of TUs will be filled in the following array. */ 1658 /* Next CTB starts after the valid as_tu entries */ 1659 /*************************************************************************/ 1660 tu_t *ps_tu; 1661 1662 /** 1663 * Pointer to transform coeff data 1664 */ 1665 /*************************************************************************/ 1666 /* Following format is repeated for every coded TU */ 1667 /* Luma Block */ 1668 /* num_coeffs : 16 bits */ 1669 /* zero_cols : 8 bits ( 1 bit per 4 columns) */ 1670 /* sig_coeff_map : ((TU Size * TU Size) + 31) >> 5 number of WORD32s */ 1671 /* coeff_data : Non zero coefficients */ 1672 /* Cb Block (only for last TU in 4x4 case else for every luma TU) */ 1673 /* num_coeffs : 16 bits */ 1674 /* zero_cols : 8 bits ( 1 bit per 4 columns) */ 1675 /* sig_coeff_map : ((TU Size * TU Size) + 31) >> 5 number of WORD32s */ 1676 /* coeff_data : Non zero coefficients */ 1677 /* Cr Block (only for last TU in 4x4 case else for every luma TU) */ 1678 /* num_coeffs : 16 bits */ 1679 /* zero_cols : 8 bits ( 1 bit per 4 columns) */ 1680 /* sig_coeff_map : ((TU Size * TU Size) + 31) >> 5 number of WORD32s */ 1681 /* coeff_data : Non zero coefficients */ 1682 /*************************************************************************/ 1683 void *pv_coeff_data; 1684 1685 /** 1686 * Slice to which the CTB belongs to 1687 */ 1688 WORD32 i4_slice_idx; 1689 1690 /** 1691 * CTB column position 1692 */ 1693 WORD32 i4_pos_x; 1694 1695 /** 1696 * CTB row position 1697 */ 1698 WORD32 i4_pos_y; 1699 1700 /** 1701 * Number of PUs filled in ps_pu 1702 */ 1703 WORD32 i4_pu_cnt; 1704 1705 /** 1706 * Index of current PU being processed in ps_pu 1707 */ 1708 /* Scratch variable set to 0 at the start of any PU processing function */ 1709 WORD32 i4_pu_idx; 1710 1711 /** 1712 * Vertical Boundary strength 1713 */ 1714 /* Two bits per edge. 1715 Stored in format. BS[15] | BS[14] | .. |BS[0]*/ 1716 UWORD32 *pu4_vert_bs; 1717 1718 /** 1719 * Horizontal Boundary strength 1720 */ 1721 1722 /* Two bits per edge. 1723 Stored in format. BS[15] | BS[14] | .. |BS[0]*/ 1724 UWORD32 *pu4_horz_bs; 1725 1726 /** 1727 * Qp array stored for each 8x8 pixels 1728 */ 1729 UWORD8 *pu1_qp; 1730 1731 /** 1732 * Pointer to current frame's pu_t array 1733 */ 1734 pu_t *ps_frm_pu; 1735 1736 /** 1737 * Pointer to current frame's pu_t index array, which stores starting index 1738 * of pu_t for every CTB 1739 */ 1740 UWORD32 *pu4_frm_pu_idx; 1741 1742 /** 1743 * Pointer to current frame's pu map array 1744 */ 1745 UWORD8 *pu1_frm_pu_map; 1746 1747 /*************************************************************************/ 1748 /* Need to add encoder specific elements for identifying the order of */ 1749 /* coding for CU, TU and PU if any */ 1750 /*************************************************************************/ 1751}ctb_t; 1752 1753/*****************************************************************************/ 1754/* The following can be used to typecast coefficient data that is stored */ 1755/* per subblock. Note that though i2_level is shown as an array that */ 1756/* holds 16 coefficients, only the first few entries will be valid. Next */ 1757/* subblocks data starts after the valid number of coefficients. Number */ 1758/* of non-zero coefficients will be derived using number of non-zero bits */ 1759/* in sig coeff map */ 1760/*****************************************************************************/ 1761/** 1762 * Structure to hold coefficient info for a 4x4 subblock 1763 */ 1764typedef struct 1765{ 1766 /** 1767 * sub block position 1768 */ 1769 UWORD16 u2_subblk_pos; 1770 1771 /** 1772 * significant coefficient map 1773 */ 1774 UWORD16 u2_sig_coeff_map; 1775 1776 /** 1777 * holds 16 coefficients 1778 */ 1779 WORD16 ai2_level[SUBBLK_COEFF_CNT]; 1780}tu_sblk_coeff_data_t; 1781 1782 1783/*************************************************************************/ 1784/* The following describes how each of the CU cases are handled */ 1785/*************************************************************************/ 1786 1787/*************************************************************************/ 1788/* For SKIP CU */ 1789/* One Inter PU with appropriate MV */ 1790/* One TU which says Y, Cb and Cr CBF is zero with size equal to CB size */ 1791/*************************************************************************/ 1792 1793/*************************************************************************/ 1794/* For Inter CU */ 1795/* M Inter PU with appropriate MVs (M between 1 to 4) */ 1796/* N TU (N is number of TU in CU) */ 1797/*************************************************************************/ 1798 1799/*************************************************************************/ 1800/* For Intra CU */ 1801/* N TU (N is number of TU in CU) */ 1802/* N Intra PU with appropriate pred modes for luma and chroma */ 1803/*************************************************************************/ 1804 1805/*************************************************************************/ 1806/* For Intra PCM CU */ 1807/* One TU which says transquant bypass is 1 with size equal to CB size */ 1808/* 1 Intra PU with pcm flag set to 1(which ensures no intra pred is done)*/ 1809/*************************************************************************/ 1810 1811/*************************************************************************/ 1812/* For a CU where cu_transquant_bypass_flag is 1 */ 1813/* One TU which says transquant bypass is 1 with size equal to CB size */ 1814/* N Intra/Inter PUs */ 1815/*************************************************************************/ 1816 1817/*************************************************************************/ 1818/* For a CU where no_residual_syntax_flag is 1 */ 1819/* One TU which says Y, Cb, Cr CBF is 0 with size equal to CB size */ 1820/* N Inter PUs */ 1821/*************************************************************************/ 1822 1823 1824/** 1825 * Structure giving information about the tile 1826 */ 1827typedef struct 1828{ 1829 /* X position of the tile in the current frame in CTB units */ 1830 UWORD8 u1_pos_x; 1831 1832 /* Y position of the tile in the current frame in CTB units */ 1833 UWORD8 u1_pos_y; 1834 1835 /* Tile width in CTB units */ 1836 UWORD16 u2_wd; 1837 1838 /* Tile height in CTB units */ 1839 UWORD16 u2_ht; 1840 1841}tile_t; 1842 1843/** 1844 * Structure to hold Profile tier level info for a given layer 1845 */ 1846 1847typedef struct 1848{ 1849 /** 1850 * NAL unit type 1851 */ 1852 WORD8 i1_nal_unit_type; 1853 1854 /** 1855 * NAL temporal id 1856 */ 1857 WORD8 i1_nuh_temporal_id; 1858}nal_header_t; 1859 1860/** 1861 * Structure to hold Profile tier level info for a given layer 1862 */ 1863 1864typedef struct 1865{ 1866 /** 1867 * profile_space 1868 */ 1869 WORD8 i1_profile_space; 1870 1871 /** 1872 * tier_flag 1873 */ 1874 WORD8 i1_tier_flag; 1875 1876 /** 1877 * profile_idc 1878 */ 1879 WORD8 i1_profile_idc; 1880 1881 /** 1882 * profile_compatibility_flag[] 1883 */ 1884 WORD8 ai1_profile_compatibility_flag[MAX_PROFILE_COMPATBLTY]; 1885 1886 /** 1887 * progressive_source_flag 1888 */ 1889 WORD8 i1_general_progressive_source_flag; 1890 1891 /** 1892 * interlaced_source_flag 1893 */ 1894 WORD8 i1_general_interlaced_source_flag; 1895 1896 /** 1897 * non_packed_constraint_flag 1898 */ 1899 WORD8 i1_general_non_packed_constraint_flag; 1900 1901 /** 1902 * frame_only_constraint_flag 1903 */ 1904 WORD8 i1_frame_only_constraint_flag; 1905 1906 /** 1907 * general_max_12bit_constraint_flag 1908 */ 1909 WORD8 i1_general_max_12bit_constraint_flag; 1910 1911 /** 1912 * general_max_10bit_constraint_flag 1913 */ 1914 WORD8 i1_general_max_10bit_constraint_flag; 1915 1916 /** 1917 * general_max_8bit_constraint_flag 1918 */ 1919 WORD8 i1_general_max_8bit_constraint_flag; 1920 1921 /** 1922 * general_max_422chroma_constraint_flag 1923 */ 1924 WORD8 i1_general_max_422chroma_constraint_flag; 1925 1926 /** 1927 * general_max_420chroma_constraint_flag 1928 */ 1929 WORD8 i1_general_max_420chroma_constraint_flag; 1930 1931 /** 1932 * general_max_monochrome_constraint_flag 1933 */ 1934 WORD8 i1_general_max_monochrome_constraint_flag; 1935 1936 /** 1937 * general_intra_constraint_flag 1938 */ 1939 WORD8 i1_general_intra_constraint_flag; 1940 1941 /** 1942 * general_one_picture_only_constraint_flag 1943 */ 1944 WORD8 i1_general_one_picture_only_constraint_flag; 1945 1946 /** 1947 * general_lower_bit_rate_constraint_flag 1948 */ 1949 WORD8 i1_general_lower_bit_rate_constraint_flag; 1950 1951 /** 1952 * level_idc 1953 */ 1954 UWORD8 u1_level_idc; 1955}profile_tier_lvl_t; 1956 1957/** 1958 * Structure to hold Profile tier level info for all layers 1959 */ 1960typedef struct 1961{ 1962 /** 1963 * Profile and tier information for general 1964 */ 1965 profile_tier_lvl_t s_ptl_gen; 1966 1967 /** 1968 * sub_layer_profile_present_flag[] 1969 */ 1970 WORD8 ai1_sub_layer_profile_present_flag[VPS_MAX_SUB_LAYERS - 1]; 1971 1972 /** 1973 * sub_layer_level_present_flag[] 1974 */ 1975 WORD8 ai1_sub_layer_level_present_flag[VPS_MAX_SUB_LAYERS - 1]; 1976 1977 /** 1978 * Profile and tier information for sub layers 1979 */ 1980 profile_tier_lvl_t as_ptl_sub[VPS_MAX_SUB_LAYERS - 1]; 1981 1982}profile_tier_lvl_info_t; 1983 1984/** 1985 * Structure to hold short term reference picture set info 1986 */ 1987typedef struct 1988{ 1989 /** 1990 * delta_poc_s0_minus1[ i ] and delta_poc_s1_minus1[ i ] 1991 */ 1992 WORD16 ai2_delta_poc[MAX_DPB_SIZE]; 1993 1994 /** 1995 * inter_ref_pic_set_prediction_flag 1996 */ 1997 WORD8 i1_inter_ref_pic_set_prediction_flag; 1998 1999 /** 2000 * num_negative_pics 2001 */ 2002 WORD8 i1_num_neg_pics; 2003 2004 /** 2005 * num_positive_pics 2006 */ 2007 WORD8 i1_num_pos_pics; 2008 2009 /** 2010 * used_by_curr_pic_s0_flag[ i ] and used_by_curr_pic_s1_flag[i] 2011 */ 2012 WORD8 ai1_used[MAX_DPB_SIZE]; 2013 2014 /** 2015 * Ref Idc 2016 */ 2017 WORD8 ai1_ref_idc[MAX_DPB_SIZE]; 2018 2019 /** 2020 * Sum of positive and negative pics for each refence 2021 */ 2022 WORD8 i1_num_delta_pocs; 2023 2024 /** 2025 * Number of ref_idc 2026 */ 2027 WORD8 i1_num_ref_idc; 2028}stref_picset_t; 2029 2030/** 2031 * Structure to hold weighted prediction info such as weights and offsets 2032 */ 2033typedef struct 2034{ 2035 /** luma_log2_weight_denom */ 2036 WORD8 i1_luma_log2_weight_denom; 2037 2038 /** delta_chroma_log2_weight_denom */ 2039 WORD8 i1_chroma_log2_weight_denom; 2040 2041 2042 /** luma_weight_l0_flag[ i ] */ 2043 WORD8 i1_luma_weight_l0_flag[MAX_DPB_SIZE]; 2044 2045 /** chroma_weight_l0_flag[ i ] */ 2046 WORD8 i1_chroma_weight_l0_flag[MAX_DPB_SIZE]; 2047 2048 /** delta_luma_weight_l0[ i ] */ 2049 WORD16 i2_luma_weight_l0[MAX_DPB_SIZE]; 2050 2051 /** luma_offset_l0[ i ] */ 2052 WORD16 i2_luma_offset_l0[MAX_DPB_SIZE]; 2053 2054 /** delta_chroma_weight_l0[ i ][ j ] */ 2055 WORD16 i2_chroma_weight_l0_cb[MAX_DPB_SIZE]; 2056 2057 /** delta_chroma_offset_l0[ i ][ j ] */ 2058 WORD16 i2_chroma_offset_l0_cb[MAX_DPB_SIZE]; 2059 2060 /** delta_chroma_weight_l0[ i ][ j ] */ 2061 WORD16 i2_chroma_weight_l0_cr[MAX_DPB_SIZE]; 2062 2063 /** delta_chroma_offset_l0[ i ][ j ] */ 2064 WORD16 i2_chroma_offset_l0_cr[MAX_DPB_SIZE]; 2065 2066 /** luma_weight_l1_flag[ i ] */ 2067 WORD8 i1_luma_weight_l1_flag[MAX_DPB_SIZE]; 2068 2069 /** chroma_weight_l1_flag[ i ] */ 2070 WORD8 i1_chroma_weight_l1_flag[MAX_DPB_SIZE]; 2071 2072 /** delta_luma_weight_l1[ i ] */ 2073 WORD16 i2_luma_weight_l1[MAX_DPB_SIZE]; 2074 2075 /** luma_offset_l1[ i ] */ 2076 WORD16 i2_luma_offset_l1[MAX_DPB_SIZE]; 2077 2078 /** delta_chroma_weight_l1[ i ][ j ] */ 2079 WORD16 i2_chroma_weight_l1_cb[MAX_DPB_SIZE]; 2080 2081 /** delta_chroma_offset_l1[ i ][ j ] */ 2082 WORD16 i2_chroma_offset_l1_cb[MAX_DPB_SIZE]; 2083 2084 /** delta_chroma_weight_l1[ i ][ j ] */ 2085 WORD16 i2_chroma_weight_l1_cr[MAX_DPB_SIZE]; 2086 2087 /** delta_chroma_offset_l1[ i ][ j ] */ 2088 WORD16 i2_chroma_offset_l1_cr[MAX_DPB_SIZE]; 2089 2090}pred_wt_ofst_t; 2091 2092 2093/** 2094 * Structure to hold Reference picture list modification info 2095 */ 2096typedef struct 2097{ 2098 /* ref_pic_list_modification_flag_l0 */ 2099 WORD8 i1_ref_pic_list_modification_flag_l0; 2100 2101 /* list_entry_l0[ i ] */ 2102 WORD8 i1_list_entry_l0[16]; 2103 2104 /* ref_pic_list_modification_flag_l1 */ 2105 WORD8 i1_ref_pic_list_modification_flag_l1; 2106 2107 /* list_entry_l1[ i ] */ 2108 WORD8 i1_list_entry_l1[16]; 2109 2110 /* Reference POC values for L0,L1 */ 2111 WORD32 i4_ref_poc_l0[16]; 2112 WORD32 i4_ref_poc_l1[16]; 2113}rplm_t; 2114 2115 2116/** 2117 * Structure to hold VPS info 2118 */ 2119typedef struct 2120{ 2121 /** 2122 * video_parameter_set_id 2123 */ 2124 WORD8 i1_vps_id; 2125 2126 /** 2127 * vps_temporal_id_nesting_flag 2128 */ 2129 WORD8 i1_vps_temporal_id_nesting_flag; 2130 /** 2131 * sub_layer_ordering_info_present_flag 2132 */ 2133 WORD8 i1_sub_layer_ordering_info_present_flag; 2134 /** 2135 * vps_max_sub_layers_minus1 2136 */ 2137 WORD8 i1_vps_max_sub_layers; 2138 2139 /** 2140 * vps_max_dec_pic_buffering 2141 */ 2142 WORD8 ai1_vps_max_dec_pic_buffering[VPS_MAX_SUB_LAYERS]; 2143 2144 /** 2145 * vps_max_num_reorder_pics 2146 */ 2147 WORD8 ai1_vps_max_num_reorder_pics[VPS_MAX_SUB_LAYERS]; 2148 2149 /** 2150 * vps_max_latency_increase 2151 */ 2152 WORD8 ai1_vps_max_latency_increase[VPS_MAX_SUB_LAYERS]; 2153 2154 /** 2155 * vps_num_hrd_parameters 2156 */ 2157 WORD8 i1_vps_num_hrd_parameters; 2158 2159 /** 2160 * vps_max_nuh_reserved_zero_layer_id 2161 */ 2162 WORD8 i1_vps_max_nuh_reserved_zero_layer_id; 2163 2164 /** 2165 * vps_num_op_sets 2166 */ 2167 WORD8 i1_vps_num_op_sets; 2168 2169 /** 2170 * layer_id_included_flag 2171 */ 2172 //WORD8 ai1_layer_id_included_flag[2][MAX_NUH_LAYERS]; 2173 /** 2174 * Profile, Tier and Level info 2175 */ 2176 profile_tier_lvl_info_t s_ptl; 2177 2178 /** 2179 * bit_rate_info_present_flag[i] 2180 */ 2181 WORD8 ai1_bit_rate_info_present_flag[VPS_MAX_SUB_LAYERS]; 2182 2183 /** 2184 * pic_rate_info_present_flag[i] 2185 */ 2186 WORD8 ai1_pic_rate_info_present_flag[VPS_MAX_SUB_LAYERS]; 2187 2188 /** 2189 * avg_bit_rate[i] 2190 */ 2191 UWORD16 au2_avg_bit_rate[VPS_MAX_SUB_LAYERS]; 2192 2193 /** 2194 * max_bit_rate[i] 2195 */ 2196 UWORD16 au2_max_bit_rate[VPS_MAX_SUB_LAYERS]; 2197 2198 /** 2199 * constant_pic_rate_idc[i] 2200 */ 2201 WORD8 ai1_constant_pic_rate_idc[VPS_MAX_SUB_LAYERS]; 2202 2203 /** 2204 * avg_pic_rate[i] 2205 */ 2206 UWORD16 au2_avg_pic_rate[VPS_MAX_SUB_LAYERS]; 2207}vps_t; 2208 2209 2210/** 2211 * Structure to hold SPS info 2212 */ 2213typedef struct 2214{ 2215 /** 2216 * pic_width_in_luma_samples 2217 */ 2218 WORD16 i2_pic_width_in_luma_samples; 2219 2220 /** 2221 * pic_height_in_luma_samples 2222 */ 2223 WORD16 i2_pic_height_in_luma_samples; 2224 2225 /** 2226 * pic_crop_left_offset 2227 */ 2228 WORD16 i2_pic_crop_left_offset; 2229 2230 /** 2231 * pic_crop_right_offset 2232 */ 2233 WORD16 i2_pic_crop_right_offset; 2234 2235 /** 2236 * pic_crop_top_offset 2237 */ 2238 WORD16 i2_pic_crop_top_offset; 2239 2240 /** 2241 * pic_crop_bottom_offset 2242 */ 2243 WORD16 i2_pic_crop_bottom_offset; 2244 2245 /** 2246 * seq_parameter_set_id 2247 */ 2248 WORD8 i1_sps_id; 2249 2250 /** 2251 * video_parameter_set_id 2252 */ 2253 WORD8 i1_vps_id; 2254 2255 /** 2256 * sps_max_sub_layers_minus1 2257 */ 2258 WORD8 i1_sps_max_sub_layers; 2259 2260 /** 2261 * chroma_format_idc 2262 */ 2263 WORD8 i1_chroma_format_idc; 2264 2265 /** 2266 * Bit depth of luma samples 2267 */ 2268 WORD8 i1_bit_depth_luma_minus8; 2269 2270 /** 2271 * Bit depth of chrma samples 2272 */ 2273 WORD8 i1_bit_depth_chroma_minus8; 2274 2275 /* separate_colour_plane_flag */ 2276 WORD8 i1_separate_colour_plane_flag; 2277 2278 /** 2279 * pic_cropping_flag 2280 */ 2281 WORD8 i1_pic_cropping_flag; 2282 2283 /** 2284 * pcm_enabled_flag 2285 */ 2286 WORD8 i1_pcm_enabled_flag; 2287 2288 /** 2289 * pcm_sample_bit_depth_luma 2290 */ 2291 WORD8 i1_pcm_sample_bit_depth_luma; 2292 2293 /** 2294 * pcm_sample_bit_depth_chroma 2295 */ 2296 WORD8 i1_pcm_sample_bit_depth_chroma; 2297 2298 /** 2299 * log2_max_pic_order_cnt_lsb_minus4 2300 */ 2301 WORD8 i1_log2_max_pic_order_cnt_lsb; 2302 /** 2303 * sps_sub_layer_ordering_info_present_flag 2304 */ 2305 WORD8 i1_sps_sub_layer_ordering_info_present_flag; 2306 /** 2307 * sps_max_dec_pic_buffering 2308 */ 2309 WORD8 ai1_sps_max_dec_pic_buffering[SPS_MAX_SUB_LAYERS]; 2310 2311 /** 2312 * sps_max_num_reorder_pics 2313 */ 2314 WORD8 ai1_sps_max_num_reorder_pics[SPS_MAX_SUB_LAYERS]; 2315 2316 /** 2317 * sps_max_latency_increase 2318 */ 2319 WORD8 ai1_sps_max_latency_increase[SPS_MAX_SUB_LAYERS]; 2320 2321 /** 2322 * log2_min_coding_block_size_minus3 2323 */ 2324 WORD8 i1_log2_min_coding_block_size; 2325 2326 /** 2327 * log2_diff_max_min_coding_block_size 2328 */ 2329 WORD8 i1_log2_diff_max_min_coding_block_size; 2330 2331 /** 2332 * log2_min_transform_block_size_minus2 2333 */ 2334 WORD8 i1_log2_min_transform_block_size; 2335 2336 /** 2337 * log2_diff_max_min_transform_block_size 2338 */ 2339 WORD8 i1_log2_diff_max_min_transform_block_size; 2340 2341 /** 2342 * log2_min_pcm_coding_block_size_minus3 2343 */ 2344 WORD8 i1_log2_min_pcm_coding_block_size; 2345 2346 /** 2347 * log2_diff_max_min_pcm_coding_block_size 2348 */ 2349 WORD8 i1_log2_diff_max_min_pcm_coding_block_size; 2350 2351 /** 2352 * max_transform_hierarchy_depth_inter 2353 */ 2354 WORD8 i1_max_transform_hierarchy_depth_inter; 2355 2356 /** 2357 * max_transform_hierarchy_depth_intra 2358 */ 2359 WORD8 i1_max_transform_hierarchy_depth_intra; 2360 2361 /** 2362 * scaling_list_enable_flag 2363 */ 2364 WORD8 i1_scaling_list_enable_flag; 2365 2366 /** 2367 * sps_scaling_list_data_present_flag 2368 */ 2369 WORD8 i1_sps_scaling_list_data_present_flag; 2370 2371 /** 2372 * amp_enabled_flag 2373 */ 2374 WORD8 i1_amp_enabled_flag; 2375 2376 /** 2377 * sample_adaptive_offset_enabled_flag 2378 */ 2379 WORD8 i1_sample_adaptive_offset_enabled_flag; 2380 2381 /** 2382 * pcm_loop_filter_disable_flag 2383 */ 2384 WORD8 i1_pcm_loop_filter_disable_flag; 2385 2386 /** 2387 * sps_temporal_id_nesting_flag 2388 */ 2389 WORD8 i1_sps_temporal_id_nesting_flag; 2390 2391 /** 2392 * num_short_term_ref_pic_sets 2393 */ 2394 WORD8 i1_num_short_term_ref_pic_sets; 2395 2396 /** 2397 * long_term_ref_pics_present_flag 2398 */ 2399 WORD8 i1_long_term_ref_pics_present_flag; 2400 2401 /** 2402 * num_long_term_ref_pics_sps 2403 */ 2404 WORD8 i1_num_long_term_ref_pics_sps; 2405 2406 /** 2407 * lt_ref_pic_poc_lsb_sps[] 2408 */ 2409 UWORD16 au2_lt_ref_pic_poc_lsb_sps[MAX_LTREF_PICS_SPS]; 2410 2411 /** 2412 * used_by_curr_pic_lt_sps_flag[] 2413 */ 2414 WORD8 ai1_used_by_curr_pic_lt_sps_flag[MAX_LTREF_PICS_SPS]; 2415 2416 /** 2417 * sps_temporal_mvp_enable_flag 2418 */ 2419 WORD8 i1_sps_temporal_mvp_enable_flag; 2420 2421 /** 2422 * strong_intra_smoothing_enable_flag 2423 */ 2424 WORD8 i1_strong_intra_smoothing_enable_flag; 2425 2426 /** 2427 * vui_parameters_present_flag 2428 */ 2429 WORD8 i1_vui_parameters_present_flag; 2430 2431 /** 2432 * vui parameters Structure info 2433 */ 2434 vui_t s_vui_parameters; 2435 2436 /** 2437 * Log2(CTB Size) in luma units 2438 */ 2439 2440 WORD8 i1_log2_ctb_size; 2441 2442 /** 2443 * Maximum transform block size 2444 */ 2445 WORD8 i1_log2_max_transform_block_size; 2446 2447 /** 2448 * Picture width in CTB units 2449 */ 2450 2451 WORD16 i2_pic_wd_in_ctb; 2452 2453 /** 2454 * Picture height in CTB units 2455 */ 2456 2457 WORD16 i2_pic_ht_in_ctb; 2458 2459 /** 2460 * Picture width in min CB units 2461 */ 2462 2463 WORD16 i2_pic_wd_in_min_cb; 2464 2465 /** 2466 * Picture height in min CB units 2467 */ 2468 2469 WORD16 i2_pic_ht_in_min_cb; 2470 2471 /** 2472 * Picture size in CTB units 2473 */ 2474 WORD32 i4_pic_size_in_ctb; 2475 2476 /** 2477 * Profile, Tier and Level info 2478 */ 2479 2480 profile_tier_lvl_info_t s_ptl; 2481 2482 /** 2483 * Short term reference pic set 2484 */ 2485 stref_picset_t as_stref_picset[MAX_STREF_PICS_SPS]; 2486 2487 /** 2488 * Pointer to scaling matrix 2489 */ 2490 /*************************************************************************/ 2491 /* Contanis the matrice in the following order in a 1D buffer */ 2492 /* Intra 4 x 4 Y, 4 x 4 U, 4 x 4 V */ 2493 /* Inter 4 x 4 Y, 4 x 4 U, 4 x 4 V */ 2494 /* Intra 8 x 8 Y, 8 x 8 U, 8 x 8 V */ 2495 /* Inter 8 x 8 Y, 8 x 8 U, 8 x 8 V */ 2496 /* Intra 16x16 Y, 16x16 U, 16x16 V */ 2497 /* Inter 16x16 Y, 16x16 U, 16x16 V */ 2498 /* Intra 32x32 Y */ 2499 /* Inter 32x32 Y */ 2500 /*************************************************************************/ 2501 WORD16 *pi2_scaling_mat; 2502 2503 2504 /* 2505 * Flag indicating if the SPS is parsed 2506 */ 2507 WORD8 i1_sps_valid; 2508 2509}sps_t; 2510 2511/** 2512 * Structure to hold PPS info 2513 */ 2514typedef struct 2515{ 2516 /** 2517 * Pointer to scaling matrix 2518 */ 2519 /*************************************************************************/ 2520 /* Contanis the matrice in the following order in a 1D buffer */ 2521 /* Intra 4 x 4 Y, 4 x 4 U, 4 x 4 V */ 2522 /* Inter 4 x 4 Y, 4 x 4 U, 4 x 4 V */ 2523 /* Intra 8 x 8 Y, 8 x 8 U, 8 x 8 V */ 2524 /* Inter 8 x 8 Y, 8 x 8 U, 8 x 8 V */ 2525 /* Intra 16x16 Y, 16x16 U, 16x16 V */ 2526 /* Inter 16x16 Y, 16x16 U, 16x16 V */ 2527 /* Intra 32x32 Y */ 2528 /* Inter 32x32 Y */ 2529 /*************************************************************************/ 2530 WORD16 *pi2_scaling_mat; 2531 2532 /** 2533 * Pointer to an array containing tile info such as position, width, height 2534 * of each tile 2535 */ 2536 2537 /* column_width_minus1[ i ] and row_height_minus1[ i ] */ 2538 tile_t *ps_tile; 2539 2540 /** 2541 * pic_parameter_set_id 2542 */ 2543 WORD8 i1_pps_id; 2544 2545 /** 2546 * seq_parameter_set_id 2547 */ 2548 WORD8 i1_sps_id; 2549 2550 /** 2551 * sign_data_hiding_flag 2552 */ 2553 WORD8 i1_sign_data_hiding_flag; 2554 2555 /** 2556 * cabac_init_present_flag 2557 */ 2558 WORD8 i1_cabac_init_present_flag; 2559 2560 /** 2561 * num_ref_idx_l0_default_active_minus1 2562 */ 2563 WORD8 i1_num_ref_idx_l0_default_active; 2564 2565 /** 2566 * num_ref_idx_l1_default_active_minus1 2567 */ 2568 WORD8 i1_num_ref_idx_l1_default_active; 2569 2570 /** 2571 * pic_init_qp_minus26 2572 */ 2573 WORD8 i1_pic_init_qp; 2574 2575 /** 2576 * constrained_intra_pred_flag 2577 */ 2578 WORD8 i1_constrained_intra_pred_flag; 2579 2580 /** 2581 * transform_skip_enabled_flag 2582 */ 2583 WORD8 i1_transform_skip_enabled_flag; 2584 2585 /** 2586 * cu_qp_delta_enabled_flag 2587 */ 2588 WORD8 i1_cu_qp_delta_enabled_flag; 2589 2590 /** 2591 * diff_cu_qp_delta_depth 2592 */ 2593 WORD8 i1_diff_cu_qp_delta_depth; 2594 2595 /** 2596 * pic_cb_qp_offset 2597 */ 2598 WORD8 i1_pic_cb_qp_offset; 2599 2600 /** 2601 * pic_cr_qp_offset 2602 */ 2603 WORD8 i1_pic_cr_qp_offset; 2604 2605 /** 2606 * pic_slice_level_chroma_qp_offsets_present_flag 2607 */ 2608 WORD8 i1_pic_slice_level_chroma_qp_offsets_present_flag; 2609 2610 /** 2611 * weighted_pred_flag 2612 */ 2613 WORD8 i1_weighted_pred_flag; 2614 2615 /** 2616 * weighted_bipred_flag 2617 */ 2618 WORD8 i1_weighted_bipred_flag; 2619 2620 /** 2621 * output_flag_present_flag 2622 */ 2623 WORD8 i1_output_flag_present_flag; 2624 2625 /** 2626 * transquant_bypass_enable_flag 2627 */ 2628 WORD8 i1_transquant_bypass_enable_flag; 2629 2630 /** 2631 * dependent_slice_enabled_flag 2632 */ 2633 WORD8 i1_dependent_slice_enabled_flag; 2634 2635 /** 2636 * tiles_enabled_flag 2637 */ 2638 WORD8 i1_tiles_enabled_flag; 2639 2640 /** 2641 * entropy_coding_sync_enabled_flag 2642 */ 2643 WORD8 i1_entropy_coding_sync_enabled_flag; 2644 2645 /** 2646 * entropy_slice_enabled_flag 2647 */ 2648 WORD8 i1_entropy_slice_enabled_flag; 2649 2650 /** 2651 * num_tile_columns_minus1 2652 */ 2653 WORD8 i1_num_tile_columns; 2654 2655 /** 2656 * num_tile_rows_minus1 2657 */ 2658 WORD8 i1_num_tile_rows; 2659 2660 /** 2661 * uniform_spacing_flag 2662 */ 2663 WORD8 i1_uniform_spacing_flag; 2664 2665 /** 2666 * loop_filter_across_tiles_enabled_flag 2667 */ 2668 WORD8 i1_loop_filter_across_tiles_enabled_flag; 2669 2670 /** 2671 * loop_filter_across_slices_enabled_flag 2672 */ 2673 WORD8 i1_loop_filter_across_slices_enabled_flag; 2674 2675 /** 2676 * deblocking_filter_control_present_flag 2677 */ 2678 WORD8 i1_deblocking_filter_control_present_flag; 2679 2680 /** 2681 * deblocking_filter_override_enabled_flag 2682 */ 2683 WORD8 i1_deblocking_filter_override_enabled_flag; 2684 2685 /** 2686 * pic_disable_deblocking_filter_flag 2687 */ 2688 WORD8 i1_pic_disable_deblocking_filter_flag; 2689 2690 /** 2691 * beta_offset_div2 2692 */ 2693 WORD8 i1_beta_offset_div2; 2694 2695 /** 2696 * tc_offset_div2 2697 */ 2698 WORD8 i1_tc_offset_div2; 2699 2700 /** 2701 * pps_scaling_list_data_present_flag 2702 */ 2703 WORD8 i1_pps_scaling_list_data_present_flag; 2704 2705 /** 2706 * lists_modification_present_flag 2707 */ 2708 WORD8 i1_lists_modification_present_flag; 2709 2710 /** 2711 * num_extra_slice_header_bits 2712 */ 2713 WORD8 i1_num_extra_slice_header_bits; 2714 2715 /** 2716 * log2_parallel_merge_level_minus2 2717 */ 2718 WORD8 i1_log2_parallel_merge_level; 2719 2720 /** 2721 * slice_header_extension_present_flag 2722 */ 2723 WORD8 i1_slice_header_extension_present_flag; 2724 2725 /** 2726 * slice_extension_present_flag 2727 */ 2728 WORD8 i1_slice_extension_present_flag; 2729 2730 /** 2731 * scaling_list_dc_coef_minus8 2732 */ 2733 /*************************************************************************/ 2734 /* DC value of the scaling list */ 2735 /* Only 16 x 16 and 32 x 32 scaling lists have valid entries. */ 2736 /* Entries stored for all sizes for uniformity. */ 2737 /* Remaining will be initialized to default values if used */ 2738 /*************************************************************************/ 2739 UWORD8 au1_scaling_list_dc_coef[TOTAL_SCALE_MAT_COUNT]; 2740 2741 /** 2742 * Log2MinCuQpDeltaSize 2743 */ 2744 WORD8 i1_log2_min_cu_qp_delta_size; 2745 2746 2747 /* 2748 * Flag indicating if the PPS is parsed 2749 */ 2750 WORD8 i1_pps_valid; 2751 2752}pps_t; 2753 2754 2755/** 2756 * Structure to hold slice header info 2757 */ 2758typedef struct 2759{ 2760 /** 2761 * entry_point_offset[ i ] 2762 */ 2763 WORD32 *pi4_entry_point_offset; 2764 2765 /** 2766 * poc_lsb_lt[ i ] 2767 */ 2768 WORD32 ai4_poc_lsb_lt[MAX_DPB_SIZE]; 2769 2770 /** 2771 * slice_header_extension_length 2772 */ 2773 WORD16 i2_slice_header_extension_length; 2774 2775 /** 2776 * slice_address 2777 */ 2778 WORD16 i2_slice_address; 2779 2780 /** 2781 * first_slice_in_pic_flag 2782 */ 2783 WORD8 i1_first_slice_in_pic_flag; 2784 2785 /* PPS id */ 2786 WORD8 i1_pps_id; 2787 /** 2788 * no_output_of_prior_pics_flag 2789 */ 2790 WORD8 i1_no_output_of_prior_pics_flag; 2791 2792 /** 2793 * dependent_slice_flag 2794 */ 2795 WORD8 i1_dependent_slice_flag; 2796 2797 /** 2798 * slice_type 2799 */ 2800 WORD8 i1_slice_type; 2801 2802 /** 2803 * pic_output_flag 2804 */ 2805 WORD8 i1_pic_output_flag; 2806 2807 /** 2808 * colour_plane_id 2809 */ 2810 WORD8 i1_colour_plane_id; 2811 2812 /** 2813 * pic_order_cnt_lsb 2814 */ 2815 WORD32 i4_pic_order_cnt_lsb; 2816 2817 /** 2818 * absolute pic_order_cnt 2819 */ 2820 WORD32 i4_abs_pic_order_cnt; 2821 2822 /** 2823 * short_term_ref_pic_set_sps_flag 2824 */ 2825 WORD8 i1_short_term_ref_pic_set_sps_flag; 2826 2827 /** 2828 * short_term_ref_pic_set_idx 2829 */ 2830 WORD8 i1_short_term_ref_pic_set_idx; 2831 2832 /** 2833 * num_long_term_sps 2834 */ 2835 WORD8 i1_num_long_term_sps; 2836 2837 /** 2838 * num_long_term_pics 2839 */ 2840 WORD8 i1_num_long_term_pics; 2841 2842 /** 2843 * lt_idx_sps[ i ] 2844 */ 2845 WORD8 ai1_lt_idx_sps[MAX_DPB_SIZE]; 2846 2847 /** 2848 * used_by_curr_pic_lt_flag[ i ] 2849 */ 2850 WORD8 ai1_used_by_curr_pic_lt_flag[MAX_DPB_SIZE]; 2851 2852 /** 2853 * delta_poc_msb_present_flag[ i ] 2854 */ 2855 WORD8 ai1_delta_poc_msb_present_flag[MAX_DPB_SIZE]; 2856 2857 /** 2858 * delta_poc_msb_cycle_lt[ i ] 2859 */ 2860 WORD8 ai1_delta_poc_msb_cycle_lt[MAX_DPB_SIZE]; 2861 2862 /** 2863 * slice_sao_luma_flag 2864 */ 2865 WORD8 i1_slice_sao_luma_flag; 2866 2867 /** 2868 * slice_sao_chroma_flag 2869 */ 2870 WORD8 i1_slice_sao_chroma_flag; 2871 2872 /** 2873 * slice_temporal_mvp_enable_flag 2874 */ 2875 WORD8 i1_slice_temporal_mvp_enable_flag; 2876 2877 /** 2878 * num_ref_idx_active_override_flag 2879 */ 2880 WORD8 i1_num_ref_idx_active_override_flag; 2881 2882 /** 2883 * num_ref_idx_l0_active_minus1 2884 */ 2885 WORD8 i1_num_ref_idx_l0_active; 2886 2887 /** 2888 * num_ref_idx_l1_active_minus1 2889 */ 2890 WORD8 i1_num_ref_idx_l1_active; 2891 2892 /** 2893 * mvd_l1_zero_flag 2894 */ 2895 WORD8 i1_mvd_l1_zero_flag; 2896 2897 /** 2898 * cabac_init_flag 2899 */ 2900 WORD8 i1_cabac_init_flag; 2901 2902 /** 2903 * collocated_from_l0_flag 2904 */ 2905 WORD8 i1_collocated_from_l0_flag; 2906 2907 /** 2908 * collocated_ref_idx 2909 */ 2910 WORD8 i1_collocated_ref_idx; 2911 2912 /** 2913 * five_minus_max_num_merge_cand 2914 */ 2915 WORD8 i1_max_num_merge_cand; 2916 2917 /** 2918 * slice_qp_delta 2919 */ 2920 WORD8 i1_slice_qp_delta; 2921 2922 /** 2923 * slice_cb_qp_offset 2924 */ 2925 WORD8 i1_slice_cb_qp_offset; 2926 2927 /** 2928 * slice_cr_qp_offset 2929 */ 2930 WORD8 i1_slice_cr_qp_offset; 2931 2932 /** 2933 * deblocking_filter_override_flag 2934 */ 2935 WORD8 i1_deblocking_filter_override_flag; 2936 2937 /** 2938 * slice_disable_deblocking_filter_flag 2939 */ 2940 WORD8 i1_slice_disable_deblocking_filter_flag; 2941 2942 /** 2943 * beta_offset_div2 2944 */ 2945 WORD8 i1_beta_offset_div2; 2946 2947 /** 2948 * tc_offset_div2 2949 */ 2950 WORD8 i1_tc_offset_div2; 2951 2952 /** 2953 * slice_loop_filter_across_slices_enabled_flag 2954 */ 2955 WORD8 i1_slice_loop_filter_across_slices_enabled_flag; 2956 2957 /** 2958 * NUmber of entry point offsets 2959 */ 2960 WORD32 i4_num_entry_point_offsets; 2961 2962 /** 2963 * offset_len_minus1 2964 */ 2965 WORD8 i1_offset_len; 2966 2967 /** 2968 * Entry point offsets 2969 */ 2970 WORD32 *pu4_entry_point_offset; 2971 2972 /** 2973 * Short term reference picture set 2974 */ 2975 stref_picset_t s_stref_picset; 2976 2977 /** 2978 * Weight and offset info for Weighted prediction 2979 */ 2980 pred_wt_ofst_t s_wt_ofst; 2981 2982 /** 2983 * Reference prediction list modification 2984 */ 2985 rplm_t s_rplm; 2986 2987 /** 2988 * First CTB' X pos : slice_address % i2_pic_wd_in_ctb 2989 */ 2990 WORD16 i2_ctb_x; 2991 2992 /** 2993 * First CTB' Y pos : slice_address / i2_pic_wd_in_ctb 2994 */ 2995 WORD16 i2_ctb_y; 2996 2997 /** 2998 * L0 Reference pic lists 2999 */ 3000 ref_list_t as_ref_pic_list0[MAX_DPB_SIZE]; 3001 3002 /** 3003 * L1 Reference pic lists 3004 */ 3005 ref_list_t as_ref_pic_list1[MAX_DPB_SIZE]; 3006 3007 /** 3008 * NAL unit type of the slice 3009 */ 3010 WORD8 i1_nal_unit_type; 3011 3012 /** 3013 * Low delay check flag 3014 */ 3015 WORD8 i1_low_delay_flag; 3016 3017 /** 3018 * The last independent slice's start ctb_x 3019 * If the current slice is independent, it is the same as the current CTBs ctb_x 3020 */ 3021 WORD16 i2_independent_ctb_x; 3022 3023 /** 3024 * The last independent slice's start ctb_y 3025 * If the current slice is independent, it is the same as the current CTBs ctb_y 3026 */ 3027 WORD16 i2_independent_ctb_y; 3028 3029 3030 UWORD8 u1_parse_data_init_done; 3031 3032 /** 3033 * Temporal ID in NAL header 3034 */ 3035 WORD32 u4_nuh_temporal_id; 3036}slice_header_t; 3037 3038 3039 3040 3041 3042 3043 3044 3045#endif /* _IHEVC_STRUCTS_H_ */ 3046