Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2015 The Android Open Source Project |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ***************************************************************************** |
| 18 | * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| 19 | */ |
| 20 | |
| 21 | /** |
| 22 | ******************************************************************************* |
| 23 | * @file |
| 24 | * ih264_structs.h |
| 25 | * |
| 26 | * @brief |
| 27 | * Structure definitions used in the code |
| 28 | * |
| 29 | * @author |
| 30 | * Ittiam |
| 31 | * |
| 32 | * @par List of Functions: |
| 33 | * |
| 34 | * @remarks |
| 35 | * None |
| 36 | * |
| 37 | ******************************************************************************* |
| 38 | */ |
| 39 | |
| 40 | #ifndef _IH264_STRUCTS_H_ |
| 41 | #define _IH264_STRUCTS_H_ |
| 42 | |
| 43 | /** MB Type info for Intra MBs */ |
| 44 | typedef struct |
| 45 | { |
| 46 | UWORD32 u4_num_mbpart; |
| 47 | MBPART_PREDMODE_T e_mbpart_predmode; |
| 48 | MBMODES_I16x16 e_intra_predmode; |
| 49 | UWORD32 u4_cpb_chroma; |
| 50 | UWORD32 u4_cpb_luma; |
| 51 | }intra_mbtype_info_t; |
| 52 | |
| 53 | /** MB Type info for Inter MBs */ |
| 54 | typedef struct |
| 55 | { |
| 56 | UWORD32 u4_num_mbpart; |
| 57 | MBPART_PREDMODE_T e_mbpart_predmode_0; |
| 58 | MBPART_PREDMODE_T e_mbpart_predmode_1; |
| 59 | UWORD32 u4_mbpart_wd; |
| 60 | UWORD32 u4_mbpart_ht; |
| 61 | }inter_mbtype_info_t; |
| 62 | |
| 63 | |
| 64 | /** Sub MB Type info for Inter MBs */ |
| 65 | typedef struct |
| 66 | { |
| 67 | UWORD32 u4_num_mbpart; |
| 68 | MBPART_PREDMODE_T e_mbpart_predmode; |
| 69 | UWORD32 u4_mbpart_wd; |
| 70 | UWORD32 u4_mbpart_ht; |
| 71 | }submbtype_info_t; |
| 72 | |
| 73 | /** |
| 74 | * Picture buffer |
| 75 | */ |
| 76 | typedef struct |
| 77 | { |
| 78 | UWORD8* pu1_luma; |
| 79 | UWORD8* pu1_chroma; |
| 80 | |
| 81 | WORD32 i4_abs_poc; |
| 82 | WORD32 i4_poc_lsb; |
| 83 | |
| 84 | |
| 85 | /** Lower 32 bit of time stamp */ |
| 86 | UWORD32 u4_timestamp_low; |
| 87 | |
| 88 | /** Upper 32 bit of time stamp */ |
| 89 | UWORD32 u4_timestamp_high; |
| 90 | |
| 91 | WORD32 i4_used_as_ref; |
| 92 | |
| 93 | /** |
| 94 | * frame_num in the slice header |
| 95 | */ |
| 96 | WORD32 i4_frame_num; |
| 97 | |
| 98 | /** |
| 99 | * Long-term frame idx |
| 100 | * TODO: store in frame_num |
| 101 | */ |
| 102 | WORD32 i4_long_term_frame_idx; |
| 103 | |
| 104 | /* |
| 105 | * 0: Top Field |
| 106 | * 1: Bottom Field |
| 107 | */ |
| 108 | WORD8 i1_field_type; |
| 109 | |
| 110 | /** |
| 111 | * buffer ID from frame buffer manager |
| 112 | */ |
| 113 | WORD32 i4_buf_id; |
| 114 | |
| 115 | } pic_buf_t; |
| 116 | |
| 117 | |
| 118 | /** |
| 119 | * Reference List |
| 120 | */ |
| 121 | typedef struct |
| 122 | { |
| 123 | void *pv_pic_buf; |
| 124 | |
| 125 | void *pv_mv_buf; |
| 126 | |
| 127 | } ref_list_t; |
| 128 | |
| 129 | |
| 130 | /** |
| 131 | * Motion vector |
| 132 | */ |
| 133 | typedef struct |
| 134 | { |
| 135 | /** |
| 136 | * Horizontal Motion Vector |
| 137 | */ |
| 138 | WORD16 i2_mvx; |
| 139 | |
| 140 | /** |
| 141 | * Vertical Motion Vector |
| 142 | */ |
| 143 | WORD16 i2_mvy; |
| 144 | } mv_t; |
| 145 | |
| 146 | /*****************************************************************************/ |
| 147 | /* Following results in packed 48 bit structure. If mv_t included */ |
| 148 | /* ref_pic_buf_id, then 8 bits will be wasted for each mv for aligning. */ |
| 149 | /* Also using mv_t as elements directly instead of a pointer to l0 and l1 */ |
| 150 | /* mvs. Since pointer takes 4 bytes and MV itself is 4 bytes. It does not */ |
| 151 | /* really help using pointers. */ |
| 152 | /*****************************************************************************/ |
| 153 | |
| 154 | /** |
| 155 | * PU Motion Vector info |
| 156 | */ |
| 157 | typedef struct |
| 158 | { |
| 159 | /** |
| 160 | * L0 Motion Vector |
| 161 | */ |
| 162 | mv_t s_l0_mv; |
| 163 | |
| 164 | /** |
| 165 | * L1 Motion Vector |
| 166 | */ |
| 167 | mv_t s_l1_mv; |
| 168 | |
| 169 | /** |
| 170 | * L0 Ref index |
| 171 | */ |
| 172 | WORD8 i1_l0_ref_idx; |
| 173 | |
| 174 | /** |
| 175 | * L1 Ref index |
| 176 | */ |
| 177 | WORD8 i1_l1_ref_idx; |
| 178 | |
| 179 | /** |
| 180 | * L0 Ref Pic Buf ID |
| 181 | */ |
| 182 | WORD8 i1_l0_ref_pic_buf_id; |
| 183 | |
| 184 | /** |
| 185 | * L1 Ref Pic Buf ID |
| 186 | */ |
| 187 | WORD8 i1_l1_ref_pic_buf_id; |
| 188 | |
| 189 | } pu_mv_t; |
| 190 | |
| 191 | /** |
| 192 | * PU information |
| 193 | */ |
| 194 | typedef struct |
| 195 | { |
| 196 | |
| 197 | /** |
| 198 | * Motion Vectors |
| 199 | */ |
| 200 | pu_mv_t s_mv; |
| 201 | |
| 202 | /** |
| 203 | * PU X position in terms of min PU (4x4) units |
| 204 | */ |
| 205 | UWORD32 b2_pos_x : 2; |
| 206 | |
| 207 | /** |
| 208 | * PU Y position in terms of min PU (4x4) units |
| 209 | */ |
| 210 | UWORD32 b2_pos_y : 2; |
| 211 | |
| 212 | /** |
| 213 | * PU width in pixels = (b2_wd + 1) << 2 |
| 214 | */ |
| 215 | UWORD32 b2_wd : 2; |
| 216 | |
| 217 | /** |
| 218 | * PU height in pixels = (b2_ht + 1) << 2 |
| 219 | */ |
| 220 | UWORD32 b2_ht : 2; |
| 221 | |
| 222 | /** |
| 223 | * Intra or Inter flag for each partition - 0 or 1 |
| 224 | */ |
| 225 | UWORD32 b1_intra_flag : 1; |
| 226 | |
| 227 | /** |
| 228 | * PRED_L0, PRED_L1, PRED_BI |
| 229 | */ |
| 230 | UWORD32 b2_pred_mode : 2; |
| 231 | |
| 232 | } pu_t; |
| 233 | |
| 234 | |
| 235 | /** |
| 236 | * MB information to be stored for entire frame |
| 237 | */ |
| 238 | typedef struct |
| 239 | { |
| 240 | /** |
| 241 | * Transform sizes 0: 4x4, 1: 8x8, |
| 242 | */ |
| 243 | UWORD32 b1_trans_size : 1; |
| 244 | |
| 245 | /** |
| 246 | * CBP - 4 bits for Y, 1 for U and 1 for V |
| 247 | */ |
| 248 | UWORD32 b6_cbp: 6; |
| 249 | |
| 250 | /** |
| 251 | * Intra pred sizes 0: 4x4, 1: 8x8, 2: 16x16 |
| 252 | */ |
| 253 | UWORD32 b2_intra_pred_size : 2; |
| 254 | |
| 255 | /** |
| 256 | * Flag to signal if the current MB is IPCM |
| 257 | */ |
| 258 | UWORD32 b1_ipcm : 1; |
| 259 | |
| 260 | }mb_t; |
| 261 | |
| 262 | /*****************************************************************************/ |
| 263 | /* Info from last TU row of MB is stored in a row level neighbour buffer */ |
| 264 | /* , which will be used for Boundary Strength computation */ |
| 265 | /*****************************************************************************/ |
| 266 | /** |
| 267 | * MB neighbor info |
| 268 | */ |
| 269 | typedef struct |
| 270 | { |
| 271 | /** |
| 272 | * Slice index of the mb |
| 273 | */ |
| 274 | UWORD16 u2_slice_idx; |
| 275 | |
| 276 | /*************************************************************************/ |
| 277 | /* CBF of bottom TU row (replicated in 4 pixel boundary) */ |
| 278 | /* MSB contains CBF of first TU in the last row and LSB contains CBF */ |
| 279 | /* of last TU in the last row */ |
| 280 | /*************************************************************************/ |
| 281 | /** |
| 282 | * CBF of bottom TU row |
| 283 | */ |
| 284 | UWORD16 u2_packed_cbf; |
| 285 | |
| 286 | /*************************************************************************/ |
| 287 | /* QP of bottom TU row (replicated at 8 pixel boundary (Since QP can */ |
| 288 | /* not change at less than min CU granularity) */ |
| 289 | /*************************************************************************/ |
| 290 | /** |
| 291 | * QP of bottom TU row |
| 292 | */ |
| 293 | UWORD8 u1_qp; |
| 294 | |
| 295 | } mb_top_ny_info_t; |
| 296 | |
| 297 | /** |
| 298 | * MB level context |
| 299 | */ |
| 300 | typedef struct _mb_ctxt_t |
| 301 | { |
| 302 | /*************************************************************************/ |
| 303 | /* Tile boundary can be detected by looking at tile start x and tile */ |
| 304 | /* start y. And based on the tile, slice and frame boundary the */ |
| 305 | /* following will be initialized. */ |
| 306 | /*************************************************************************/ |
| 307 | /** |
| 308 | * Pointer to left MB |
| 309 | */ |
| 310 | /* If not available, this will be set to NULL */ |
| 311 | struct _mb_ctxt_t *ps_mb_left; |
| 312 | |
| 313 | /** |
| 314 | * Pointer to top-left MB |
| 315 | */ |
| 316 | /* If not available, this will be set to NULL */ |
| 317 | mb_top_ny_info_t *ps_mb_ny_topleft; |
| 318 | |
| 319 | /** |
| 320 | * Pointer to top MB |
| 321 | */ |
| 322 | /* If not available, this will be set to NULL */ |
| 323 | mb_top_ny_info_t *ps_mb_ny_top; |
| 324 | |
| 325 | /** |
| 326 | * Pointer to top-right MB |
| 327 | */ |
| 328 | /* If not available, this will be set to NULL */ |
| 329 | mb_top_ny_info_t *ps_mb_ny_topright; |
| 330 | |
| 331 | /*************************************************************************/ |
| 332 | /* Pointer to PU data. */ |
| 333 | /* This points to a MV Bank stored at frame level. Though this */ |
| 334 | /* pointer can be derived by reading offset at frame level, it is */ |
| 335 | /* stored here for faster access. Can be removed if storage of MB */ |
| 336 | /* structure is critical */ |
| 337 | /*************************************************************************/ |
| 338 | /** |
| 339 | * Pointer to PU data |
| 340 | */ |
| 341 | pu_t *ps_pu; |
| 342 | |
| 343 | /*************************************************************************/ |
| 344 | /* Pointer to a PU map stored at frame level, */ |
| 345 | /* Though this pointer can be derived by multiplying MB address with */ |
| 346 | /* number of minTUs in a MB, it is stored here for faster access. */ |
| 347 | /* Can be removed if storage of MB structure is critical */ |
| 348 | /*************************************************************************/ |
| 349 | /** |
| 350 | * Pointer to a PU map stored at frame level |
| 351 | */ |
| 352 | UWORD8 *pu1_pu_map; |
| 353 | |
| 354 | /** |
| 355 | * Number of TUs filled in as_tu |
| 356 | */ |
| 357 | /*************************************************************************/ |
| 358 | /* Having the first entry as 32 bit data, helps in keeping each of */ |
| 359 | /* the structures aligned to 32 bits at MB level */ |
| 360 | /*************************************************************************/ |
| 361 | WORD32 i4_tu_cnt; |
| 362 | |
| 363 | /** |
| 364 | * Pointer to transform coeff data |
| 365 | */ |
| 366 | /*************************************************************************/ |
| 367 | /* Following format is repeated for every coded TU */ |
| 368 | /* Luma Block */ |
| 369 | /* num_coeffs : 16 bits */ |
| 370 | /* zero_cols : 8 bits ( 1 bit per 4 columns) */ |
| 371 | /* sig_coeff_map : ((TU Size * TU Size) + 31) >> 5 number of WORD32s */ |
| 372 | /* coeff_data : Non zero coefficients */ |
| 373 | /* Cb Block (only for last TU in 4x4 case else for every luma TU) */ |
| 374 | /* num_coeffs : 16 bits */ |
| 375 | /* zero_cols : 8 bits ( 1 bit per 4 columns) */ |
| 376 | /* sig_coeff_map : ((TU Size * TU Size) + 31) >> 5 number of WORD32s */ |
| 377 | /* coeff_data : Non zero coefficients */ |
| 378 | /* Cr Block (only for last TU in 4x4 case else for every luma TU) */ |
| 379 | /* num_coeffs : 16 bits */ |
| 380 | /* zero_cols : 8 bits ( 1 bit per 4 columns) */ |
| 381 | /* sig_coeff_map : ((TU Size * TU Size) + 31) >> 5 number of WORD32s */ |
| 382 | /* coeff_data : Non zero coefficients */ |
| 383 | /*************************************************************************/ |
| 384 | void *pv_coeff_data; |
| 385 | |
| 386 | /** |
| 387 | * Slice to which the MB belongs to |
| 388 | */ |
| 389 | WORD32 i4_slice_idx; |
| 390 | |
| 391 | /** |
| 392 | * MB column position |
| 393 | */ |
| 394 | WORD32 i4_pos_x; |
| 395 | |
| 396 | /** |
| 397 | * MB row position |
| 398 | */ |
| 399 | WORD32 i4_pos_y; |
| 400 | |
| 401 | /** |
| 402 | * Number of PUs filled in ps_pu |
| 403 | */ |
| 404 | WORD32 i4_pu_cnt; |
| 405 | |
| 406 | /** |
| 407 | * Index of current PU being processed in ps_pu |
| 408 | */ |
| 409 | /* Scratch variable set to 0 at the start of any PU processing function */ |
| 410 | WORD32 i4_pu_idx; |
| 411 | |
| 412 | /** |
| 413 | * Vertical Boundary strength |
| 414 | */ |
| 415 | /* Two bits per edge. |
| 416 | Stored in format. BS[15] | BS[14] | .. |BS[0]*/ |
| 417 | UWORD32 *pu4_vert_bs; |
| 418 | |
| 419 | /** |
| 420 | * Horizontal Boundary strength |
| 421 | */ |
| 422 | |
| 423 | /* Two bits per edge. |
| 424 | Stored in format. BS[15] | BS[14] | .. |BS[0]*/ |
| 425 | UWORD32 *pu4_horz_bs; |
| 426 | |
| 427 | /** |
| 428 | * Qp array stored for each 8x8 pixels |
| 429 | */ |
| 430 | UWORD8 *pu1_qp; |
| 431 | |
| 432 | /** |
| 433 | * Pointer to current frame's pu_t array |
| 434 | */ |
| 435 | pu_t *ps_frm_pu; |
| 436 | |
| 437 | /** |
| 438 | * Pointer to current frame's pu_t index array, which stores starting index |
| 439 | * of pu_t for every MB |
| 440 | */ |
| 441 | UWORD32 *pu4_frm_pu_idx; |
| 442 | |
| 443 | /** |
| 444 | * Pointer to current frame's pu map array |
| 445 | */ |
| 446 | UWORD8 *pu1_frm_pu_map; |
| 447 | |
| 448 | /*************************************************************************/ |
| 449 | /* Need to add encoder specific elements for identifying the order of */ |
| 450 | /* coding for CU, TU and PU if any */ |
| 451 | /*************************************************************************/ |
| 452 | } mb_ctxt_t; |
| 453 | |
| 454 | /*************************************************************************/ |
| 455 | /* The following describes how each of the CU cases are handled */ |
| 456 | /*************************************************************************/ |
| 457 | |
| 458 | /*************************************************************************/ |
| 459 | /* For SKIP MB */ |
| 460 | /* One Inter PU with appropriate MV */ |
| 461 | /* One TU which says CBP is zero and size is 16x16 */ |
| 462 | /*************************************************************************/ |
| 463 | |
| 464 | /*************************************************************************/ |
| 465 | /* For Inter MB */ |
| 466 | /* M Inter PU with appropriate MVs (M between 1 to 4) */ |
| 467 | /* Number of TUs derived based on transform size */ |
| 468 | /*************************************************************************/ |
| 469 | |
| 470 | /*************************************************************************/ |
| 471 | /* For Intra MB */ |
| 472 | /* Number of TUs derived based on transform size */ |
| 473 | /* N Intra Modes are signaled along with coeff data at the start */ |
| 474 | /*************************************************************************/ |
| 475 | |
| 476 | /*************************************************************************/ |
| 477 | /* For Intra PCM MB */ |
| 478 | /* One TU which says ipcm is 1 */ |
| 479 | /*************************************************************************/ |
| 480 | |
| 481 | |
| 482 | |
| 483 | /** |
| 484 | * Structure to hold quantization parameters of an mb |
| 485 | */ |
| 486 | typedef struct |
| 487 | { |
| 488 | |
| 489 | /* |
| 490 | * mb qp |
| 491 | */ |
| 492 | UWORD8 u1_mb_qp; |
| 493 | |
| 494 | /* |
| 495 | * mb qp / 6 |
| 496 | */ |
| 497 | UWORD8 u1_qp_div; |
| 498 | |
| 499 | /* |
| 500 | * mb qp mod 6 |
| 501 | */ |
| 502 | UWORD8 u1_qp_rem; |
| 503 | |
| 504 | /* |
| 505 | * QP bits |
| 506 | */ |
| 507 | UWORD8 u1_qbits; |
| 508 | |
| 509 | /* |
| 510 | * forward scale matrix |
| 511 | */ |
| 512 | const UWORD16 *pu2_scale_mat; |
| 513 | |
| 514 | /* |
| 515 | * threshold matrix for quantization |
| 516 | */ |
| 517 | UWORD16 *pu2_thres_mat; |
| 518 | |
| 519 | /* |
| 520 | * Threshold to compare the sad with |
| 521 | */ |
| 522 | UWORD16 *pu2_sad_thrsh; |
| 523 | |
| 524 | /* |
| 525 | * qp dependent rounding constant |
| 526 | */ |
| 527 | UWORD32 u4_dead_zone; |
| 528 | |
| 529 | /* |
| 530 | * inverse scale matrix |
| 531 | */ |
| 532 | const UWORD16 *pu2_iscale_mat; |
| 533 | |
| 534 | /* |
| 535 | * Weight matrix in iquant |
| 536 | */ |
| 537 | UWORD16 *pu2_weigh_mat; |
| 538 | |
| 539 | }quant_params_t; |
| 540 | |
| 541 | /** |
| 542 | * Structure to hold Profile tier level info for a given layer |
| 543 | */ |
| 544 | |
| 545 | typedef struct |
| 546 | { |
| 547 | /** |
| 548 | * NAL unit type |
| 549 | */ |
| 550 | WORD8 i1_nal_unit_type; |
| 551 | |
| 552 | /** |
| 553 | * NAL ref idc |
| 554 | */ |
| 555 | WORD8 i1_nal_ref_idc; |
| 556 | |
| 557 | |
| 558 | } nal_header_t; |
| 559 | |
| 560 | /** |
| 561 | * HRD parameters Info |
| 562 | */ |
| 563 | typedef struct |
| 564 | { |
| 565 | /** |
| 566 | * Specifies the number of alternative CPB specifications in the |
| 567 | * bitstream |
| 568 | */ |
| 569 | UWORD8 u1_cpb_cnt_minus1; |
| 570 | |
| 571 | /** |
| 572 | * (together with bit_rate_value_minus1) specifies the |
| 573 | * maximum input bit rate of the i-th CPB |
| 574 | */ |
| 575 | UWORD32 u4_bit_rate_scale; |
| 576 | |
| 577 | /** |
| 578 | * (together with cpb_size_du_value_minus1) specifies |
| 579 | * CPB size of the i-th CPB when the CPB operates |
| 580 | * at the access unit level |
| 581 | */ |
| 582 | UWORD32 u4_cpb_size_scale; |
| 583 | |
| 584 | /** |
| 585 | * (together with bit_rate_scale) specifies the |
| 586 | * maximum input bit rate for the i-th CPB |
| 587 | */ |
| 588 | UWORD32 au4_bit_rate_value_minus1[32]; |
| 589 | /** |
| 590 | * together with cpb_size_scale to specify the |
| 591 | * CPB size when the CPB operates at the access unit level. |
| 592 | */ |
| 593 | UWORD32 au4_cpb_size_value_minus1[32]; |
| 594 | |
| 595 | /** |
| 596 | * if 1, specifies that the HSS operates in a constant bit rate (CBR) mode |
| 597 | * if 0, specifies that the HSS operates in a intermittent bit rate (CBR) mode |
| 598 | */ |
| 599 | UWORD8 au1_cbr_flag[32]; |
| 600 | |
| 601 | |
| 602 | /** |
| 603 | * specifies the length, in bits for initial cpb delay (nal/vcl)syntax in bp sei |
| 604 | */ |
| 605 | UWORD8 u1_initial_cpb_removal_delay_length_minus1; |
| 606 | |
| 607 | /** |
| 608 | * specifies the length, in bits for the cpb delay syntax in pt_sei |
| 609 | */ |
| 610 | UWORD8 u1_cpb_removal_delay_length_minus1; |
| 611 | |
| 612 | /** |
| 613 | * specifies the length, in bits, of the pic_dpb_output_delay syntax element in the pt SEI message |
| 614 | */ |
| 615 | UWORD8 u1_dpb_output_delay_length_minus1; |
| 616 | |
| 617 | /** |
| 618 | * Specifies length of the time offset parameter |
| 619 | */ |
| 620 | UWORD8 u1_time_offset_length; |
| 621 | |
| 622 | }hrd_params_t; |
| 623 | |
| 624 | |
| 625 | /** |
| 626 | * Structure to hold VUI parameters Info |
| 627 | */ |
| 628 | typedef struct |
| 629 | { |
| 630 | /** |
| 631 | * indicates the presence of aspect_ratio |
| 632 | */ |
| 633 | UWORD8 u1_aspect_ratio_info_present_flag; |
| 634 | |
| 635 | /** |
| 636 | * specifies the aspect ratio of the luma samples |
| 637 | */ |
| 638 | UWORD8 u1_aspect_ratio_idc; |
| 639 | |
| 640 | /** |
| 641 | * width of the luma samples. user dependent |
| 642 | */ |
| 643 | UWORD16 u2_sar_width; |
| 644 | |
| 645 | /** |
| 646 | * Height of the luma samples. user dependent |
| 647 | */ |
| 648 | UWORD16 u2_sar_height; |
| 649 | |
| 650 | /** |
| 651 | * if 1, specifies that the overscan_appropriate_flag is present |
| 652 | * if 0, the preferred display method for the video signal is unspecified |
| 653 | */ |
| 654 | UWORD8 u1_overscan_info_present_flag; |
| 655 | |
| 656 | /** |
| 657 | * if 1,indicates that the cropped decoded pictures output |
| 658 | * are suitable for display using overscan |
| 659 | */ |
| 660 | UWORD8 u1_overscan_appropriate_flag; |
| 661 | |
| 662 | /** |
| 663 | * if 1 specifies that video_format, video_full_range_flag and |
| 664 | * colour_description_present_flag are present |
| 665 | */ |
| 666 | UWORD8 u1_video_signal_type_present_flag; |
| 667 | |
| 668 | /** |
| 669 | * pal, secam, ntsc, ... |
| 670 | */ |
| 671 | UWORD8 u1_video_format; |
| 672 | |
| 673 | /** |
| 674 | * indicates the black level and range of the luma and chroma signals |
| 675 | */ |
| 676 | UWORD8 u1_video_full_range_flag; |
| 677 | |
| 678 | /** |
| 679 | * if 1,to 1 specifies that colour_primaries, transfer_characteristics |
| 680 | * and matrix_coefficients are present |
| 681 | */ |
| 682 | UWORD8 u1_colour_description_present_flag; |
| 683 | |
| 684 | /** |
| 685 | * indicates the chromaticity coordinates of the source primaries |
| 686 | */ |
| 687 | UWORD8 u1_colour_primaries; |
| 688 | |
| 689 | /** |
| 690 | * indicates the opto-electronic transfer characteristic of the source picture |
| 691 | */ |
| 692 | UWORD8 u1_transfer_characteristics; |
| 693 | |
| 694 | /** |
| 695 | * the matrix coefficients used in deriving luma and chroma signals |
| 696 | * from the green, blue, and red primaries |
| 697 | */ |
| 698 | UWORD8 u1_matrix_coefficients; |
| 699 | |
| 700 | /** |
| 701 | * if 1, specifies that chroma_sample_loc_type_top_field and |
| 702 | * chroma_sample_loc_type_bottom_field are present |
| 703 | */ |
| 704 | UWORD8 u1_chroma_loc_info_present_flag; |
| 705 | |
| 706 | /** |
| 707 | * location of chroma samples |
| 708 | */ |
| 709 | UWORD8 u1_chroma_sample_loc_type_top_field; |
| 710 | |
| 711 | UWORD8 u1_chroma_sample_loc_type_bottom_field; |
| 712 | |
| 713 | /** |
| 714 | * Indicates the presence of the |
| 715 | * num_units_in_ticks, time_scale flag |
| 716 | */ |
| 717 | UWORD8 u1_vui_timing_info_present_flag; |
| 718 | |
| 719 | /** |
| 720 | * Number of units that |
| 721 | * correspond to one increment of the |
| 722 | * clock. Indicates the resolution |
| 723 | */ |
| 724 | UWORD32 u4_vui_num_units_in_tick; |
| 725 | |
| 726 | /** |
| 727 | * The number of time units that pass in one second |
| 728 | */ |
| 729 | UWORD32 u4_vui_time_scale; |
| 730 | |
| 731 | /** |
| 732 | * Flag indicating that time difference between two frames is a constant |
| 733 | */ |
| 734 | UWORD8 u1_fixed_frame_rate_flag; |
| 735 | |
| 736 | /** |
| 737 | * Indicates the presence of NAL HRD parameters |
| 738 | */ |
| 739 | UWORD8 u1_nal_hrd_parameters_present_flag; |
| 740 | |
| 741 | /** |
| 742 | * NAL level HRD parameters |
| 743 | */ |
| 744 | hrd_params_t s_nal_hrd_parameters; |
| 745 | |
| 746 | /** |
| 747 | * Indicates the presence of VCL HRD parameters |
| 748 | */ |
| 749 | UWORD8 u1_vcl_hrd_parameters_present_flag; |
| 750 | |
| 751 | /** |
| 752 | * VCL level HRD parameters |
| 753 | */ |
| 754 | hrd_params_t s_vcl_hrd_parameters; |
| 755 | |
| 756 | /** |
| 757 | * Specifies the HRD operational mode |
| 758 | */ |
| 759 | UWORD8 u1_low_delay_hrd_flag; |
| 760 | |
| 761 | /** |
| 762 | * Indicates presence of SEI messages which include pic_struct syntax element |
| 763 | */ |
| 764 | UWORD8 u1_pic_struct_present_flag; |
| 765 | |
| 766 | /** |
| 767 | * 1, specifies that the following cvs bitstream restriction parameters are present |
| 768 | */ |
| 769 | UWORD8 u1_bitstream_restriction_flag; |
| 770 | |
| 771 | /** |
| 772 | * if 0, indicates that no pel outside the pic boundaries and |
| 773 | * no sub-pels derived using pels outside the pic boundaries is used for inter prediction |
| 774 | */ |
| 775 | UWORD8 u1_motion_vectors_over_pic_boundaries_flag; |
| 776 | |
| 777 | /** |
| 778 | * Indicates a number of bytes not exceeded by the sum of the sizes of the VCL NAL units |
| 779 | * associated with any coded picture |
| 780 | */ |
| 781 | UWORD8 u1_max_bytes_per_pic_denom; |
| 782 | |
| 783 | /** |
| 784 | * Indicates an upper bound for the number of bits of coding_unit() data |
| 785 | */ |
| 786 | UWORD8 u1_max_bits_per_mb_denom; |
| 787 | |
| 788 | /** |
| 789 | * Indicate the maximum absolute value of a decoded horizontal MV component |
| 790 | * in quarter-pel luma units |
| 791 | */ |
| 792 | UWORD8 u1_log2_max_mv_length_horizontal; |
| 793 | |
| 794 | /** |
| 795 | * Indicate the maximum absolute value of a decoded vertical MV component |
| 796 | * in quarter-pel luma units |
| 797 | */ |
| 798 | UWORD8 u1_log2_max_mv_length_vertical; |
| 799 | |
| 800 | /** |
| 801 | * Max number of frames that are not synchronized in display and decode order |
| 802 | */ |
| 803 | UWORD8 u1_num_reorder_frames; |
| 804 | |
| 805 | /** |
| 806 | * specifies required size of the HRD DPB in units of frame buffers. |
| 807 | */ |
| 808 | UWORD8 u1_max_dec_frame_buffering; |
| 809 | |
| 810 | } vui_t; |
| 811 | |
| 812 | |
| 813 | /** |
| 814 | * Structure to hold SPS info |
| 815 | */ |
| 816 | typedef struct |
| 817 | { |
| 818 | /** |
| 819 | * profile_idc |
| 820 | */ |
| 821 | UWORD8 u1_profile_idc; |
| 822 | |
| 823 | /** constraint_set0_flag */ |
| 824 | UWORD8 u1_constraint_set0_flag; |
| 825 | |
| 826 | /** constraint_set1_flag */ |
| 827 | UWORD8 u1_constraint_set1_flag; |
| 828 | |
| 829 | /** constraint_set2_flag */ |
| 830 | UWORD8 u1_constraint_set2_flag; |
| 831 | |
| 832 | /** constraint_set3_flag */ |
| 833 | UWORD8 u1_constraint_set3_flag; |
| 834 | |
| 835 | /** |
| 836 | * level_idc |
| 837 | */ |
| 838 | UWORD8 u1_level_idc; |
| 839 | |
| 840 | /** |
| 841 | * seq_parameter_set_id |
| 842 | */ |
| 843 | UWORD8 u1_sps_id; |
| 844 | |
| 845 | |
| 846 | /** |
| 847 | * chroma_format_idc |
| 848 | */ |
| 849 | UWORD8 u1_chroma_format_idc; |
| 850 | |
| 851 | /** |
| 852 | * residual_colour_transform_flag |
| 853 | */ |
| 854 | WORD8 i1_residual_colour_transform_flag; |
| 855 | |
| 856 | /** |
| 857 | * bit_depth_luma_minus8 |
| 858 | */ |
| 859 | WORD8 i1_bit_depth_luma; |
| 860 | |
| 861 | /** |
| 862 | * bit_depth_chroma_minus8 |
| 863 | */ |
| 864 | WORD8 i1_bit_depth_chroma; |
| 865 | |
| 866 | /** |
| 867 | * qpprime_y_zero_transform_bypass_flag |
| 868 | */ |
| 869 | WORD8 i1_qpprime_y_zero_transform_bypass_flag; |
| 870 | |
| 871 | /** |
| 872 | * seq_scaling_matrix_present_flag |
| 873 | */ |
| 874 | WORD8 i1_seq_scaling_matrix_present_flag; |
| 875 | |
| 876 | /** |
| 877 | * seq_scaling_list_present_flag |
| 878 | */ |
| 879 | WORD8 ai1_seq_scaling_list_present_flag[8]; |
| 880 | |
| 881 | /** |
| 882 | * log2_max_frame_num_minus4 |
| 883 | */ |
| 884 | WORD8 i1_log2_max_frame_num; |
| 885 | |
| 886 | /** |
| 887 | * MaxFrameNum in the standard |
| 888 | * 1 << i1_log2_max_frame_num |
| 889 | */ |
| 890 | WORD32 i4_max_frame_num; |
| 891 | |
| 892 | /** |
| 893 | * pic_order_cnt_type |
| 894 | */ |
| 895 | WORD8 i1_pic_order_cnt_type; |
| 896 | |
| 897 | /** |
| 898 | * log2_max_pic_order_cnt_lsb_minus4 |
| 899 | */ |
| 900 | WORD8 i1_log2_max_pic_order_cnt_lsb; |
| 901 | |
| 902 | /** |
| 903 | * MaxPicOrderCntLsb in the standard. |
| 904 | * 1 << log2_max_pic_order_cnt_lsb_minus4 |
| 905 | */ |
| 906 | WORD32 i4_max_pic_order_cnt_lsb; |
| 907 | |
| 908 | /** |
| 909 | * delta_pic_order_always_zero_flag |
| 910 | */ |
| 911 | WORD8 i1_delta_pic_order_always_zero_flag; |
| 912 | |
| 913 | /** |
| 914 | * offset_for_non_ref_pic |
| 915 | */ |
| 916 | WORD32 i4_offset_for_non_ref_pic; |
| 917 | |
| 918 | /** |
| 919 | * offset_for_top_to_bottom_field |
| 920 | */ |
| 921 | WORD32 i4_offset_for_top_to_bottom_field; |
| 922 | |
| 923 | /** |
| 924 | * num_ref_frames_in_pic_order_cnt_cycle |
| 925 | */ |
| 926 | UWORD8 u1_num_ref_frames_in_pic_order_cnt_cycle; |
| 927 | |
| 928 | /** |
| 929 | * Offset_for_ref_frame |
| 930 | */ |
| 931 | WORD32 ai4_offset_for_ref_frame[256]; |
| 932 | |
| 933 | /** |
| 934 | * max_num_ref_frames |
| 935 | */ |
| 936 | UWORD8 u1_max_num_ref_frames; |
| 937 | |
| 938 | /** |
| 939 | * gaps_in_frame_num_value_allowed_flag |
| 940 | */ |
| 941 | WORD8 i1_gaps_in_frame_num_value_allowed_flag; |
| 942 | |
| 943 | /** |
| 944 | * pic_width_in_mbs_minus1 |
| 945 | */ |
| 946 | WORD16 i2_pic_width_in_mbs_minus1; |
| 947 | |
| 948 | /** |
| 949 | * pic_height_in_map_units_minus1 |
| 950 | */ |
| 951 | WORD16 i2_pic_height_in_map_units_minus1; |
| 952 | |
| 953 | /** |
| 954 | * frame_mbs_only_flag |
| 955 | */ |
| 956 | WORD8 i1_frame_mbs_only_flag; |
| 957 | |
| 958 | /** |
| 959 | * mb_adaptive_frame_field_flag |
| 960 | */ |
| 961 | WORD8 i1_mb_adaptive_frame_field_flag; |
| 962 | |
| 963 | /** |
| 964 | * direct_8x8_inference_flag |
| 965 | */ |
| 966 | WORD8 i1_direct_8x8_inference_flag; |
| 967 | |
| 968 | /** |
| 969 | * frame_cropping_flag |
| 970 | */ |
| 971 | WORD8 i1_frame_cropping_flag; |
| 972 | |
| 973 | /** |
| 974 | * frame_crop_left_offset |
| 975 | */ |
| 976 | WORD16 i2_frame_crop_left_offset; |
| 977 | |
| 978 | /** |
| 979 | * frame_crop_right_offset |
| 980 | */ |
| 981 | WORD16 i2_frame_crop_right_offset; |
| 982 | |
| 983 | /** |
| 984 | * frame_crop_top_offset |
| 985 | */ |
| 986 | WORD16 i2_frame_crop_top_offset; |
| 987 | |
| 988 | /** |
| 989 | * frame_crop_bottom_offset |
| 990 | */ |
| 991 | WORD16 i2_frame_crop_bottom_offset; |
| 992 | |
| 993 | /** |
| 994 | * vui_parameters_present_flag |
| 995 | */ |
| 996 | WORD8 i1_vui_parameters_present_flag; |
| 997 | |
| 998 | /** |
| 999 | * vui_parameters_Structure_info |
| 1000 | */ |
| 1001 | vui_t s_vui_parameters; |
| 1002 | |
| 1003 | /** |
| 1004 | * Flag to give status of SPS structure |
| 1005 | */ |
| 1006 | WORD8 i1_sps_valid; |
| 1007 | |
| 1008 | /** |
| 1009 | * Coded Picture width |
| 1010 | */ |
| 1011 | WORD32 i2_pic_wd; |
| 1012 | |
| 1013 | /** |
| 1014 | * Coded Picture height |
| 1015 | */ |
| 1016 | WORD32 i2_pic_ht; |
| 1017 | |
| 1018 | /** |
| 1019 | * Picture width in MB units |
| 1020 | */ |
| 1021 | |
| 1022 | WORD16 i2_pic_wd_in_mb; |
| 1023 | |
| 1024 | /** |
| 1025 | * Picture height in MB units |
| 1026 | */ |
| 1027 | |
| 1028 | WORD16 i2_pic_ht_in_mb; |
| 1029 | |
| 1030 | /** |
| 1031 | * useDefaultScalingMatrixFlag |
| 1032 | */ |
| 1033 | WORD8 ai1_use_default_scaling_matrix_flag[8]; |
| 1034 | |
| 1035 | /** |
| 1036 | * 4x4 Scaling lists after inverse zig zag scan |
| 1037 | */ |
| 1038 | UWORD16 au2_4x4_weight_scale[6][16]; |
| 1039 | |
| 1040 | /** |
| 1041 | * 4x4 Scaling lists after inverse zig zag scan |
| 1042 | */ |
| 1043 | UWORD16 au2_8x8_weight_scale[2][64]; |
| 1044 | |
| 1045 | } sps_t; |
| 1046 | |
| 1047 | |
| 1048 | /** |
| 1049 | * Structure to hold PPS info |
| 1050 | */ |
| 1051 | typedef struct |
| 1052 | { |
| 1053 | /** |
| 1054 | * pic_parameter_set_id |
| 1055 | */ |
| 1056 | UWORD8 u1_pps_id; |
| 1057 | |
| 1058 | /** |
| 1059 | * seq_parameter_set_id |
| 1060 | */ |
| 1061 | UWORD8 u1_sps_id; |
| 1062 | |
| 1063 | /** |
| 1064 | * Entropy coding : 0-VLC; 1 - CABAC |
| 1065 | */ |
| 1066 | UWORD8 u1_entropy_coding_mode_flag; |
| 1067 | |
| 1068 | /* |
| 1069 | * Pic order present flag |
| 1070 | */ |
| 1071 | UWORD8 u1_pic_order_present_flag; |
| 1072 | |
| 1073 | /* |
| 1074 | * Number of slice groups |
| 1075 | */ |
| 1076 | UWORD8 u1_num_slice_groups; |
| 1077 | |
| 1078 | /* |
| 1079 | * Slice group map type |
| 1080 | */ |
| 1081 | UWORD8 u1_slice_group_map_type; |
| 1082 | |
| 1083 | /* |
| 1084 | * Maximum reference picture index in the reference list 0 : range [0 - 31] |
| 1085 | */ |
| 1086 | WORD8 i1_num_ref_idx_l0_default_active; |
| 1087 | |
| 1088 | /* |
| 1089 | * Maximum reference picture index in the reference list 1 : range [0 - 31] |
| 1090 | */ |
| 1091 | WORD8 i1_num_ref_idx_l1_default_active; |
| 1092 | |
| 1093 | /** |
| 1094 | * weighted_pred_flag |
| 1095 | */ |
| 1096 | WORD8 i1_weighted_pred_flag; |
| 1097 | |
| 1098 | /** |
| 1099 | * weighted_bipred_flag |
| 1100 | */ |
| 1101 | WORD8 i1_weighted_bipred_idc; |
| 1102 | |
| 1103 | /** |
| 1104 | * pic_init_qp_minus26 |
| 1105 | */ |
| 1106 | WORD8 i1_pic_init_qp; |
| 1107 | |
| 1108 | /** |
| 1109 | * pic_init_qs_minus26 |
| 1110 | */ |
| 1111 | WORD8 i1_pic_init_qs; |
| 1112 | |
| 1113 | /* |
| 1114 | * Chroma QP offset w.r.t QPY {-12,12} |
| 1115 | */ |
| 1116 | WORD8 i1_chroma_qp_index_offset; |
| 1117 | |
| 1118 | /** |
| 1119 | * deblocking_filter_control_present_flag |
| 1120 | */ |
| 1121 | WORD8 i1_deblocking_filter_control_present_flag; |
| 1122 | |
| 1123 | /** |
| 1124 | * constrained_intra_pred_flag |
| 1125 | */ |
| 1126 | WORD8 i1_constrained_intra_pred_flag; |
| 1127 | |
| 1128 | /** |
| 1129 | * redundant_pic_cnt_present_flag |
| 1130 | */ |
| 1131 | WORD8 i1_redundant_pic_cnt_present_flag; |
| 1132 | |
| 1133 | /** |
| 1134 | * transform_8x8_mode_flag |
| 1135 | */ |
| 1136 | WORD8 i1_transform_8x8_mode_flag; |
| 1137 | |
| 1138 | /** |
| 1139 | * pic_scaling_matrix_present_flag |
| 1140 | */ |
| 1141 | WORD8 i1_pic_scaling_matrix_present_flag; |
| 1142 | |
| 1143 | /* |
| 1144 | * Second chroma QP offset |
| 1145 | */ |
| 1146 | WORD8 i1_second_chroma_qp_index_offset; |
| 1147 | |
| 1148 | |
| 1149 | /** |
| 1150 | * useDefaultScalingMatrixFlag |
| 1151 | */ |
| 1152 | WORD8 ai1_use_default_scaling_matrix_flag[8]; |
| 1153 | |
| 1154 | /** |
| 1155 | * 4x4 Scaling lists after inverse zig zag scan |
| 1156 | */ |
| 1157 | UWORD16 au2_4x4_weight_scale[6][16]; |
| 1158 | |
| 1159 | /** |
| 1160 | * 4x4 Scaling lists after inverse zig zag scan |
| 1161 | */ |
| 1162 | UWORD16 au2_8x8_weight_scale[2][64]; |
| 1163 | |
| 1164 | |
| 1165 | /** |
| 1166 | * pic_scaling_list_present_flag |
| 1167 | */ |
| 1168 | WORD8 ai1_pic_scaling_list_present_flag[8]; |
| 1169 | |
| 1170 | /** |
| 1171 | * Flag to give status of PPS structure |
| 1172 | */ |
| 1173 | WORD8 i1_pps_valid; |
| 1174 | |
| 1175 | |
| 1176 | } pps_t; |
| 1177 | |
| 1178 | /** |
| 1179 | * MMCO commands and params. |
| 1180 | */ |
| 1181 | typedef struct |
| 1182 | { |
| 1183 | /* memory management control operation command */ |
| 1184 | UWORD8 u1_memory_management_control_operation; |
| 1185 | |
| 1186 | /* |
| 1187 | * Contains difference of pic nums of short-term pic/frame |
| 1188 | * 1. To signal it as "unused for reference" if mmco = 1 |
| 1189 | * 2. To signal it as "used for long-term reference" if mmco = 3 |
| 1190 | */ |
| 1191 | UWORD32 u4_difference_of_pic_nums_minus1; |
| 1192 | |
| 1193 | /* Long-term pic num to be set as "unused for reference" */ |
| 1194 | UWORD8 u1_long_term_pic_num; |
| 1195 | |
| 1196 | /* |
| 1197 | * Assign a long-term idx to a picture as follows |
| 1198 | * 1. Assign to a short-term pic if mmco = 3 |
| 1199 | * 2. Assign to the current pic if mmco = 6 |
| 1200 | */ |
| 1201 | UWORD8 u1_long_term_frame_idx; |
| 1202 | |
| 1203 | /* |
| 1204 | * The max long-term idx. The long-term pics having idx above |
| 1205 | * are set as "unused for reference |
| 1206 | */ |
| 1207 | UWORD8 u1_max_long_term_frame_idx_plus1; |
| 1208 | |
| 1209 | }mmco_prms_t; |
| 1210 | |
| 1211 | /** |
| 1212 | * Structure to hold Reference picture list modification info |
| 1213 | */ |
| 1214 | typedef struct |
| 1215 | { |
| 1216 | /* ref_pic_list_modification_flag_l0 */ |
| 1217 | WORD8 i1_ref_pic_list_modification_flag_l0; |
| 1218 | |
| 1219 | /* Modification required in list0 */ |
| 1220 | WORD8 i1_modification_of_pic_nums_idc_l0[MAX_MODICATION_IDC]; |
| 1221 | |
| 1222 | /* |
| 1223 | * The absolute difference between the picture number of |
| 1224 | * the picture being moved to the current index in |
| 1225 | * list0 and the picture number prediction value |
| 1226 | */ |
| 1227 | UWORD32 u4_abs_diff_pic_num_minus1_l0[MAX_MODICATION_IDC]; |
| 1228 | |
| 1229 | /* |
| 1230 | * The long-term picture number of the picture being moved |
| 1231 | * to the current index in list0 |
| 1232 | */ |
| 1233 | UWORD8 u1_long_term_pic_num_l0[MAX_MODICATION_IDC]; |
| 1234 | |
| 1235 | /* ref_pic_list_modification_flag_l1 */ |
| 1236 | WORD8 i1_ref_pic_list_modification_flag_l1; |
| 1237 | |
| 1238 | /* Modification required in list1 */ |
| 1239 | WORD8 i1_modification_of_pic_nums_idc_l1[MAX_MODICATION_IDC]; |
| 1240 | |
| 1241 | /* |
| 1242 | * The absolute difference between the picture number of |
| 1243 | * the picture being moved to the current index in |
| 1244 | * list1 and the picture number prediction value |
| 1245 | */ |
| 1246 | UWORD32 u4_abs_diff_pic_num_minus1_l1[MAX_MODICATION_IDC]; |
| 1247 | |
| 1248 | /* |
| 1249 | * The long-term picture number of the picture being moved |
| 1250 | * to the current index in list1 |
| 1251 | */ |
| 1252 | UWORD8 u1_long_term_pic_num_l1[MAX_MODICATION_IDC]; |
| 1253 | }rplm_t; |
| 1254 | |
| 1255 | /** |
| 1256 | * Structure to hold Slice Header info |
| 1257 | */ |
| 1258 | typedef struct |
| 1259 | { |
| 1260 | |
| 1261 | /* |
| 1262 | * nal_unit_type |
| 1263 | */ |
| 1264 | WORD8 i1_nal_unit_type; |
| 1265 | |
| 1266 | /* |
| 1267 | * nal_unit_idc |
| 1268 | */ |
| 1269 | WORD8 i1_nal_unit_idc; |
| 1270 | |
| 1271 | /* |
| 1272 | * first_mb_in_slice |
| 1273 | */ |
| 1274 | UWORD16 u2_first_mb_in_slice; |
| 1275 | |
| 1276 | /* |
| 1277 | * slice_type |
| 1278 | */ |
| 1279 | UWORD8 u1_slice_type; |
| 1280 | |
| 1281 | /* |
| 1282 | * pic_parameter_set_id |
| 1283 | */ |
| 1284 | UWORD8 u1_pps_id; |
| 1285 | |
| 1286 | /* |
| 1287 | * frame_num |
| 1288 | */ |
| 1289 | WORD32 i4_frame_num; |
| 1290 | |
| 1291 | /* |
| 1292 | * field_pic_flag |
| 1293 | */ |
| 1294 | WORD8 i1_field_pic_flag; |
| 1295 | |
| 1296 | /* |
| 1297 | * bottom_field_flag |
| 1298 | */ |
| 1299 | WORD8 i1_bottom_field_flag; |
| 1300 | |
| 1301 | /* |
| 1302 | * second_field |
| 1303 | */ |
| 1304 | WORD8 i1_second_field_flag; |
| 1305 | |
| 1306 | /* |
| 1307 | * idr_pic_id |
| 1308 | */ |
| 1309 | UWORD16 u2_idr_pic_id ; |
| 1310 | |
| 1311 | /* |
| 1312 | * pic_order_cnt_lsb |
| 1313 | */ |
| 1314 | UWORD16 i4_pic_order_cnt_lsb; |
| 1315 | |
| 1316 | /* |
| 1317 | * delta_pic_order_cnt_bottom |
| 1318 | */ |
| 1319 | WORD32 i4_delta_pic_order_cnt_bottom; |
| 1320 | |
| 1321 | /* |
| 1322 | * delta_pic_order_cnt |
| 1323 | */ |
| 1324 | WORD32 ai4_delta_pic_order_cnt[2]; |
| 1325 | |
| 1326 | /* |
| 1327 | * redundant_pic_cnt |
| 1328 | */ |
| 1329 | UWORD8 u1_redundant_pic_cnt; |
| 1330 | |
| 1331 | /* |
| 1332 | * direct_spatial_mv_pred_flag |
| 1333 | */ |
| 1334 | UWORD8 u1_direct_spatial_mv_pred_flag; |
| 1335 | |
| 1336 | /* |
| 1337 | * num_ref_idx_active_override_flag |
| 1338 | */ |
| 1339 | UWORD8 u1_num_ref_idx_active_override_flag; |
| 1340 | |
| 1341 | /* |
| 1342 | * num_ref_idx_l0_active |
| 1343 | */ |
| 1344 | WORD8 i1_num_ref_idx_l0_active; |
| 1345 | |
| 1346 | /* |
| 1347 | * num_ref_idx_l1_active_minus1 |
| 1348 | */ |
| 1349 | WORD8 i1_num_ref_idx_l1_active; |
| 1350 | |
| 1351 | /* |
| 1352 | * ref_pic_list_reordering_flag_l0 |
| 1353 | */ |
| 1354 | UWORD8 u1_ref_idx_reordering_flag_l0; |
| 1355 | |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame^] | 1356 | /* |
| 1357 | * ref_pic_list_reordering_flag_l1 |
| 1358 | */ |
| 1359 | UWORD8 u1_ref_idx_reordering_flag_l1; |
| 1360 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1361 | /** |
| 1362 | * Reference prediction list modification |
| 1363 | */ |
| 1364 | rplm_t s_rplm; |
| 1365 | |
| 1366 | /** |
| 1367 | * L0 Reference pic lists |
| 1368 | */ |
| 1369 | ref_list_t as_ref_pic_list0[MAX_DPB_SIZE]; |
| 1370 | |
| 1371 | /** |
| 1372 | * L1 Reference pic lists |
| 1373 | */ |
| 1374 | ref_list_t as_ref_pic_list1[MAX_DPB_SIZE]; |
| 1375 | |
| 1376 | /* |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1377 | * no_output_of_prior_pics_flag |
| 1378 | */ |
| 1379 | UWORD8 u1_no_output_of_prior_pics_flag; |
| 1380 | |
| 1381 | /* |
| 1382 | * long_term_reference_flag |
| 1383 | */ |
| 1384 | UWORD8 u1_long_term_reference_flag; |
| 1385 | |
| 1386 | /* |
| 1387 | * adaptive_ref_pic_marking_mode_flag |
| 1388 | */ |
| 1389 | UWORD8 u1_adaptive_ref_pic_marking_mode_flag; |
| 1390 | |
| 1391 | /* |
| 1392 | * Array to structures to store mmco commands |
| 1393 | * and parameters. |
| 1394 | */ |
| 1395 | mmco_prms_t as_mmco_prms[MAX_MMCO_COMMANDS]; |
| 1396 | |
| 1397 | /* |
| 1398 | * entropy_coding_mode_flag |
| 1399 | */ |
| 1400 | WORD8 u1_entropy_coding_mode_flag; |
| 1401 | |
| 1402 | /* |
| 1403 | * cabac_init_idc |
| 1404 | */ |
| 1405 | WORD8 i1_cabac_init_idc; |
| 1406 | |
| 1407 | /* |
| 1408 | * i1_slice_qp |
| 1409 | */ |
| 1410 | WORD8 i1_slice_qp; |
| 1411 | |
| 1412 | /* |
| 1413 | * sp_for_switch_flag |
| 1414 | */ |
| 1415 | UWORD8 u1_sp_for_switch_flag; |
| 1416 | |
| 1417 | /* |
| 1418 | * slice_qs_delta |
| 1419 | */ |
| 1420 | UWORD8 u1_slice_qs; |
| 1421 | |
| 1422 | /* |
| 1423 | * disable_deblocking_filter_idc |
| 1424 | */ |
| 1425 | WORD8 u1_disable_deblocking_filter_idc; |
| 1426 | |
| 1427 | /* |
| 1428 | * slice_alpha_c0_offset_div2 |
| 1429 | */ |
| 1430 | WORD8 i1_slice_alpha_c0_offset_div2; |
| 1431 | |
| 1432 | /* |
| 1433 | * slice_beta_offset_div2 |
| 1434 | */ |
| 1435 | WORD8 i1_slice_beta_offset_div2; |
| 1436 | |
| 1437 | /* |
| 1438 | * num_slice_groups_minus1 |
| 1439 | */ |
| 1440 | WORD8 u1_num_slice_groups_minus1; |
| 1441 | |
| 1442 | /* |
| 1443 | * slice_group_change_cycle |
| 1444 | */ |
| 1445 | WORD8 u1_slice_group_change_cycle; |
| 1446 | |
| 1447 | /** |
| 1448 | * Start MB X |
| 1449 | */ |
| 1450 | UWORD16 i2_mb_x; |
| 1451 | |
| 1452 | /** |
| 1453 | * Start MB Y |
| 1454 | */ |
| 1455 | UWORD16 i2_mb_y; |
| 1456 | |
| 1457 | /** |
| 1458 | * Absolute POC. Contains minimum of top and bottom POC. |
| 1459 | */ |
| 1460 | WORD32 i4_abs_pic_order_cnt; |
| 1461 | |
| 1462 | /** |
| 1463 | * Absolute top POC. Contains top poc for frame or top |
| 1464 | * field. Invalid for bottom field. |
| 1465 | */ |
| 1466 | WORD32 i4_abs_top_pic_order_cnt; |
| 1467 | |
| 1468 | /** |
| 1469 | * Absolute top POC. Contains bottom poc for frame or bottom |
| 1470 | * field. Invalid for top field. |
| 1471 | */ |
| 1472 | WORD32 i4_abs_bottom_pic_order_cnt; |
| 1473 | |
| 1474 | /** Flag signaling if the current slice is ref slice */ |
| 1475 | UWORD8 i1_nal_ref_idc; |
| 1476 | |
| 1477 | /** Flag to indicate if the current slice is MBAFF Frame */ |
| 1478 | UWORD8 u1_mbaff_frame_flag; |
| 1479 | |
| 1480 | /** luma_log2_weight_denom */ |
| 1481 | UWORD8 u1_luma_log2_weight_denom; |
| 1482 | |
| 1483 | /** chroma_log2_weight_denom */ |
| 1484 | UWORD8 u1_chroma_log2_weight_denom; |
| 1485 | |
| 1486 | /** luma_weight_l0_flag */ |
| 1487 | UWORD8 au1_luma_weight_l0_flag[MAX_DPB_SIZE]; |
| 1488 | |
| 1489 | /** luma_weight_l0 : (-128, 127 )is the range of weights |
| 1490 | * when weighted pred is enabled, 128 is default value */ |
| 1491 | WORD16 ai2_luma_weight_l0[MAX_DPB_SIZE]; |
| 1492 | |
| 1493 | /** luma_offset_l0 : (-128, 127 )is the range of offset |
| 1494 | * when weighted pred is enabled, 0 is default value */ |
| 1495 | WORD8 ai1_luma_offset_l0[MAX_DPB_SIZE]; |
| 1496 | |
| 1497 | /** chroma_weight_l0_flag */ |
| 1498 | UWORD8 au1_chroma_weight_l0_flag[MAX_DPB_SIZE]; |
| 1499 | |
| 1500 | /** chroma_weight_l0 : (-128, 127 )is the range of weights |
| 1501 | * when weighted pred is enabled, 128 is default value*/ |
| 1502 | WORD16 ai2_chroma_weight_l0[MAX_DPB_SIZE][2]; |
| 1503 | |
| 1504 | /** chroma_offset_l0 : (-128, 127 )is the range of offset |
| 1505 | * when weighted pred is enabled, 0 is default value*/ |
| 1506 | WORD8 ai1_chroma_offset_l0[MAX_DPB_SIZE][2]; |
| 1507 | |
| 1508 | /** luma_weight_l0_flag */ |
| 1509 | UWORD8 au1_luma_weight_l1_flag[MAX_DPB_SIZE]; |
| 1510 | |
| 1511 | /** luma_weight_l1 : (-128, 127 )is the range of weights |
| 1512 | * when weighted pred is enabled, 128 is default value */ |
| 1513 | WORD16 ai2_luma_weight_l1[MAX_DPB_SIZE]; |
| 1514 | |
| 1515 | /** luma_offset_l1 : (-128, 127 )is the range of offset |
| 1516 | * when weighted pred is enabled, 0 is default value */ |
| 1517 | WORD8 ai1_luma_offset_l1[MAX_DPB_SIZE]; |
| 1518 | |
| 1519 | /** chroma_weight_l1_flag */ |
| 1520 | UWORD8 au1_chroma_weight_l1_flag[MAX_DPB_SIZE]; |
| 1521 | |
| 1522 | /** chroma_weight_l1 : (-128, 127 )is the range of weights |
| 1523 | * when weighted pred is enabled, 128 is default value */ |
| 1524 | WORD16 ai2_chroma_weight_l1[MAX_DPB_SIZE][2]; |
| 1525 | |
| 1526 | /** chroma_offset_l1 :(-128, 127 )is the range of offset |
| 1527 | * when weighted pred is enabled, 0 is default value */ |
| 1528 | WORD8 ai1_chroma_offset_l1[MAX_DPB_SIZE][2]; |
| 1529 | }slice_header_t; |
| 1530 | |
| 1531 | |
| 1532 | /*****************************************************************************/ |
| 1533 | /* The following can be used to type cast coefficient data that is stored */ |
| 1534 | /* per subblock. Note that though i2_level is shown as an array that */ |
| 1535 | /* holds 16 coefficients, only the first few entries will be valid. Next */ |
| 1536 | /* subblocks data starts after the valid number of coefficients. Number */ |
| 1537 | /* of non-zero coefficients will be derived using number of non-zero bits */ |
| 1538 | /* in sig coeff map */ |
| 1539 | /*****************************************************************************/ |
| 1540 | |
| 1541 | /** |
| 1542 | * Structure to hold coefficient info for a 2x2 chroma DC transform |
| 1543 | */ |
| 1544 | typedef struct |
| 1545 | { |
| 1546 | /** |
| 1547 | * significant coefficient map |
| 1548 | */ |
| 1549 | UWORD8 u1_sig_coeff_map; |
| 1550 | |
| 1551 | /** |
| 1552 | * sub block position |
| 1553 | */ |
| 1554 | UWORD8 u1_subblk_pos; |
| 1555 | |
| 1556 | /** |
| 1557 | * holds coefficients |
| 1558 | */ |
| 1559 | WORD16 ai2_level[2 * 2]; |
| 1560 | }tu_sblk2x2_coeff_data_t; |
| 1561 | |
| 1562 | /** |
| 1563 | * Structure to hold coefficient info for a 4x4 transform |
| 1564 | */ |
| 1565 | typedef struct |
| 1566 | { |
| 1567 | /** |
| 1568 | * significant coefficient map |
| 1569 | */ |
| 1570 | UWORD16 u2_sig_coeff_map; |
| 1571 | |
| 1572 | /** |
| 1573 | * sub block position |
| 1574 | */ |
| 1575 | UWORD16 u2_subblk_pos; |
| 1576 | |
| 1577 | /** |
| 1578 | * holds coefficients |
| 1579 | */ |
| 1580 | WORD16 ai2_level[SUBBLK_COEFF_CNT]; |
| 1581 | }tu_sblk4x4_coeff_data_t; |
| 1582 | |
| 1583 | /** |
| 1584 | * Structure to hold coefficient info for a 8x8 transform |
| 1585 | */ |
| 1586 | typedef struct |
| 1587 | { |
| 1588 | |
| 1589 | /** |
| 1590 | * significant coefficient map |
| 1591 | */ |
| 1592 | UWORD32 au4_sig_coeff_map[2]; |
| 1593 | |
| 1594 | /** |
| 1595 | * sub block position |
| 1596 | */ |
| 1597 | UWORD16 u2_subblk_pos; |
| 1598 | |
| 1599 | /** |
| 1600 | * holds coefficients |
| 1601 | */ |
| 1602 | WORD16 ai2_level[TRANS_SIZE_8 * TRANS_SIZE_8]; |
| 1603 | }tu_blk8x8_coeff_data_t; |
| 1604 | |
| 1605 | |
| 1606 | /** |
| 1607 | * Structure to hold coefficient info for a 16x16 IPCM MB |
| 1608 | */ |
| 1609 | typedef struct |
| 1610 | { |
| 1611 | /** |
| 1612 | * holds coefficients |
| 1613 | */ |
| 1614 | UWORD8 au1_level[MB_SIZE * MB_SIZE * 3 / 2]; |
| 1615 | }tu_ipcm_coeff_data_t; |
| 1616 | |
| 1617 | |
| 1618 | typedef struct |
| 1619 | { |
| 1620 | /** |
| 1621 | * Transform sizes 0: 4x4, 1: 8x8, |
| 1622 | */ |
| 1623 | UWORD32 b1_trans_size : 1; |
| 1624 | |
| 1625 | /** |
| 1626 | * Flag to signal if the current MB is IPCM |
| 1627 | */ |
| 1628 | UWORD32 b1_ipcm : 1; |
| 1629 | |
| 1630 | /** |
| 1631 | * Intra pred sizes 0: 4x4, 1: 8x8, 2: 16x16 |
| 1632 | */ |
| 1633 | UWORD32 b2_intra_pred_size : 2; |
| 1634 | |
| 1635 | /** |
| 1636 | * Chroma intra mode |
| 1637 | */ |
| 1638 | UWORD32 b2_intra_chroma_pred_mode: 2; |
| 1639 | |
| 1640 | /** |
| 1641 | * Number of coded subblocks in the current MB, for which |
| 1642 | * tu data is sent. Maximum of 27 subblocks in the following |
| 1643 | * order. |
| 1644 | * 1 4x4 luma DC(for intra16x16), |
| 1645 | * 16 4x4 luma, |
| 1646 | * 2 2x2 chroma DC, |
| 1647 | * 8 4x4 chroma, |
| 1648 | */ |
| 1649 | WORD32 b5_num_coded_sblks: 5; |
| 1650 | |
| 1651 | /** |
| 1652 | * Flag to signal if 4x4 subblock for DC values (in INTRA 16x16 MB) |
| 1653 | * is coded |
| 1654 | */ |
| 1655 | UWORD32 b1_luma_dc_coded: 1; |
| 1656 | |
| 1657 | /** |
| 1658 | * Flag to signal if 4x4 subblock for DC values (in INTRA 16x16 MB) |
| 1659 | * is coded |
| 1660 | */ |
| 1661 | UWORD32 b1_chroma_dc_coded: 1; |
| 1662 | |
| 1663 | /** |
| 1664 | * CSBP - 16 bits, 1 bit for each 4x4 |
| 1665 | * for intra16x16 mb_type only ac coefficients are |
| 1666 | */ |
| 1667 | UWORD32 b16_luma_csbp: 16; |
| 1668 | |
| 1669 | /** |
| 1670 | * CSBP - 16 bits, 1 bit for each 4x4 |
| 1671 | * for intra16x16 mb_type only ac coefficients are |
| 1672 | */ |
| 1673 | UWORD32 b8_chroma_csbp: 8; |
| 1674 | |
| 1675 | /** |
| 1676 | * Luma Intra pred modes, |
| 1677 | * Based on intra pred size either 16, 4 or 1 entry will be |
| 1678 | * populated below. |
| 1679 | */ |
| 1680 | UWORD8 au1_luma_intra_modes[16]; |
| 1681 | |
| 1682 | }intra_mb_t; |
| 1683 | |
| 1684 | |
| 1685 | typedef struct |
| 1686 | { |
| 1687 | /** |
| 1688 | * Transform sizes 0: 4x4, 1: 8x8, |
| 1689 | */ |
| 1690 | UWORD8 b1_trans_size : 1; |
| 1691 | |
| 1692 | |
| 1693 | /** |
| 1694 | * Skip flag |
| 1695 | */ |
| 1696 | UWORD8 b1_skip : 1; |
| 1697 | |
| 1698 | |
| 1699 | /** |
| 1700 | * Number of coded subblocks in the current MB, for which |
| 1701 | * tu data is sent. Maximum of 26 subblocks in the following |
| 1702 | * order. |
| 1703 | * 16 4x4 luma, |
| 1704 | * 2 2x2 chroma DC, |
| 1705 | * 8 4x4 chroma, |
| 1706 | */ |
| 1707 | WORD32 b5_num_coded_sblks: 5; |
| 1708 | |
| 1709 | /** |
| 1710 | * CSBP - 16 bits, 1 bit for each 4x4 |
| 1711 | * for intra16x16 mb_type only ac coefficients are |
| 1712 | */ |
| 1713 | UWORD32 b16_luma_csbp: 16; |
| 1714 | |
| 1715 | /** |
| 1716 | * CSBP - 16 bits, 1 bit for each 4x4 |
| 1717 | * for intra16x16 mb_type only ac coefficients are |
| 1718 | */ |
| 1719 | UWORD32 b16_chroma_csbp: 8; |
| 1720 | }inter_mb_t; |
| 1721 | |
| 1722 | #endif /* _IH264_STRUCTS_H_ */ |