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 #ifndef _IH264D_STRUCTS_H_ 21 #define _IH264D_STRUCTS_H_ 22 23 #include "ih264_typedefs.h" 24 #include "ih264_macros.h" 25 #include "ih264_platform_macros.h" 26 #include "iv.h" 27 #include "ivd.h" 28 29 #include "ih264d_transfer_address.h" 30 #include "ih264d_defs.h" 31 #include "ih264d_defs.h" 32 #include "ih264d_bitstrm.h" 33 #include "ih264d_debug.h" 34 #include "ih264d_dpb_manager.h" 35 /* includes for CABAC */ 36 #include "ih264d_cabac.h" 37 #include "ih264d_dpb_manager.h" 38 39 #include "ih264d_vui.h" 40 #include "ih264d_sei.h" 41 #include "iv.h" 42 #include "ivd.h" 43 44 #include "ih264_weighted_pred.h" 45 #include "ih264_trans_quant_itrans_iquant.h" 46 #include "ih264_inter_pred_filters.h" 47 #include "ih264_mem_fns.h" 48 #include "ih264_padding.h" 49 #include "ih264_intra_pred_filters.h" 50 #include "ih264_deblk_edge_filters.h" 51 52 53 54 55 56 /** Number of Mb's whoose syntax will be read */ 57 /************************************************************/ 58 /* MB_GROUP should be a multiple of 2 */ 59 /************************************************************/ 60 #define PARSE_MB_GROUP_4 4 61 62 /* MV_SCRATCH_BUFS assumed to be pow(2) */ 63 #define MV_SCRATCH_BUFS 4 64 65 #define TOP_FIELD_ONLY 0x02 66 #define BOT_FIELD_ONLY 0x01 67 68 #define MAX_REF_BUF_SIZE (3776*2*2) 69 70 struct _DecStruct; 71 struct _DecMbInfo; 72 73 typedef enum 74 { 75 MB_TYPE_SI_SLICE = 0, 76 MB_TYPE_I_SLICE = 3, 77 MB_SKIP_FLAG_P_SLICE = 11, 78 MB_TYPE_P_SLICE = 14, 79 SUB_MB_TYPE_P_SLICE = 21, 80 MB_SKIP_FLAG_B_SLICE = 24, 81 MB_TYPE_B_SLICE = 27, 82 SUB_MB_TYPE_B_SLICE = 36, 83 MVD_X = 40, 84 MVD_Y = 47, 85 REF_IDX = 54, 86 MB_QP_DELTA = 60, 87 INTRA_CHROMA_PRED_MODE = 64, 88 PREV_INTRA4X4_PRED_MODE_FLAG = 68, 89 REM_INTRA4X4_PRED_MODE = 69, 90 MB_FIELD_DECODING_FLAG = 70, 91 CBP_LUMA = 73, 92 CBP_CHROMA = 77, 93 CBF = 85, 94 SIGNIFICANT_COEFF_FLAG_FRAME = 105, 95 SIGNIFICANT_COEFF_FLAG_FLD = 277, 96 LAST_SIGNIFICANT_COEFF_FLAG_FRAME = 166, 97 LAST_SIGNIFICANT_COEFF_FLAG_FLD = 338, 98 COEFF_ABS_LEVEL_MINUS1 = 227, 99 100 /* High profile related Syntax element CABAC offsets */ 101 TRANSFORM_SIZE_8X8_FLAG = 399, 102 SIGNIFICANT_COEFF_FLAG_8X8_FRAME = 402, 103 LAST_SIGNIFICANT_COEFF_FLAG_8X8_FRAME = 417, 104 COEFF_ABS_LEVEL_MINUS1_8X8 = 426, 105 SIGNIFICANT_COEFF_FLAG_8X8_FIELD = 436, 106 LAST_SIGNIFICANT_COEFF_FLAG_8X8_FIELD = 451 107 108 } cabac_table_num_t; 109 110 typedef enum 111 { 112 SIG_COEFF_CTXT_CAT_0_OFFSET = 0, 113 SIG_COEFF_CTXT_CAT_1_OFFSET = 15, 114 SIG_COEFF_CTXT_CAT_2_OFFSET = 29, 115 SIG_COEFF_CTXT_CAT_3_OFFSET = 44, 116 SIG_COEFF_CTXT_CAT_4_OFFSET = 47, 117 SIG_COEFF_CTXT_CAT_5_OFFSET = 0, 118 COEFF_ABS_LEVEL_CAT_0_OFFSET = 0, 119 COEFF_ABS_LEVEL_CAT_1_OFFSET = 10, 120 COEFF_ABS_LEVEL_CAT_2_OFFSET = 20, 121 COEFF_ABS_LEVEL_CAT_3_OFFSET = 30, 122 COEFF_ABS_LEVEL_CAT_4_OFFSET = 39, 123 COEFF_ABS_LEVEL_CAT_5_OFFSET = 0 124 } cabac_blk_cat_offset_t; 125 126 #ifdef KEEP_THREADS_ACTIVE 127 typedef enum 128 { 129 PROC_INIT, 130 PROC_START, 131 PROC_IN_PROGRESS, 132 PROC_DONE, 133 } proc_state_t; 134 #endif 135 136 /** Structure for the MV bank */ 137 typedef struct _mv_pred_t 138 { 139 WORD16 i2_mv[4]; /** 0- mvFwdX, 1- mvFwdY, 2- mvBwdX, 3- mvBwdY */ 140 WORD8 i1_ref_frame[2]; 141 142 UWORD8 u1_col_ref_pic_idx; /** Idx into the pic buff array */ 143 UWORD8 u1_pic_type; /** Idx into the pic buff array */ 144 145 } mv_pred_t; 146 147 typedef struct 148 { 149 WORD32 i4_mv_indices[16]; 150 WORD8 i1_submb_num[16]; 151 WORD8 i1_partitionsize[16]; 152 WORD8 i1_num_partitions; 153 WORD8 u1_vert_mv_scale; 154 UWORD8 u1_col_zeroflag_change; 155 } directmv_t; 156 157 typedef struct pic_buffer_t 158 { 159 /**Different components of the picture */ 160 UWORD8 *pu1_buf1; 161 UWORD8 *pu1_buf2; 162 UWORD8 *pu1_buf3; 163 UWORD16 u2_disp_width; /** Width of the display luma frame in pixels */ 164 UWORD16 u2_disp_height; /** Height of the display luma frame in pixels */ 165 UWORD32 u4_time_stamp; /** Time at which frame has to be displayed */ 166 UWORD16 u2_frm_wd_y; /** Width of the luma frame in pixels */ 167 UWORD16 u2_frm_wd_uv; /** Width of the chroma frame */ 168 UWORD16 u2_frm_ht_y; /** Height of the luma frame in pixels */ 169 UWORD16 u2_frm_ht_uv; /** Height of the chroma frame */ 170 /* Upto this is resembling the structure IH264DEC_DispUnit */ 171 172 /* If any member is to be added, add below this */ 173 174 /* u4_ofst from start of picture buffer to display position for Y buffer */ 175 UWORD16 u2_crop_offset_y; 176 177 /* u4_ofst from start of picture buffer to display position for UV buffer */ 178 UWORD16 u2_crop_offset_uv; 179 180 UWORD8 u1_is_short; /** (1: short 0: long) term ref pic */ 181 UWORD8 u1_pic_type; /** frame / field / complementary field pair */ 182 UWORD8 u1_pic_buf_id; /** Idx into the picBufAPI array */ 183 UWORD8 u1_mv_buf_id; 184 WORD32 i4_seq; 185 UWORD8 *pu1_col_zero_flag; 186 mv_pred_t *ps_mv; /** Pointer to the MV bank array */ 187 WORD32 i4_poc; /** POC */ 188 WORD32 i4_pic_num; 189 WORD32 i4_frame_num; 190 WORD32 i4_top_field_order_cnt; /** TopPOC */ 191 WORD32 i4_bottom_field_order_cnt; /** BottomPOC */ 192 WORD32 i4_avg_poc; /** minPOC */ 193 UWORD8 u1_picturetype; /*Same as u1_pic_type..u1_pic_type gets overwritten whereas 194 this doesnot get overwritten ...stores the pictype of 195 frame/complementary field pair/ mbaff */ 196 UWORD8 u1_long_term_frm_idx; 197 UWORD8 u1_long_term_pic_num; 198 UWORD32 u4_pack_slc_typ; /* It will contain information about types of slices */ 199 200 /* ! */ 201 UWORD32 u4_ts; 202 UWORD8 u1_pic_struct;/* Refer to SEI table D-1 */ 203 sei s_sei_pic; 204 205 } pic_buffer_t; 206 207 typedef struct 208 { 209 void *u4_add[4]; 210 } neighbouradd_t; 211 212 typedef struct 213 { 214 const UWORD8 *pu1_inv_scan; 215 void *pv_table[6]; 216 } cavlc_cntxt_t; 217 218 /** 219 ************************************************************************ 220 * \file ih264d_structs.h 221 * 222 * \brief 223 * Structures used in the H.264 decoder 224 * 225 * \date 226 * 18/11/2002 227 * 228 * \author Sriram Sethuraman 229 * 230 ************************************************************************ 231 */ 232 233 /** 234 * Structure to represent a MV Bank buffer and col flag 235 */ 236 typedef struct 237 { 238 /** 239 * Pointer to buffer that holds col flag. 240 */ 241 void *pv_col_zero_flag; 242 243 /** 244 * Pointer to buffer that holds mv_pred 245 */ 246 void *pv_mv; 247 248 }col_mv_buf_t; 249 250 251 typedef struct 252 { 253 UWORD8 u1_dydx; /** 4*dy + dx for Y comp / 8*dy + dx for UV comp */ 254 UWORD8 u1_is_bi_direct; /** 1: is bi-direct 0: forward / backward only */ 255 UWORD8 u1_wght_pred_type; /** 0-default 1-singleWeighted 2-BiWeighted */ 256 WORD8 i1_mb_partwidth; /** Width of MB partition */ 257 WORD8 i1_mb_partheight; /** Height of MB partition */ 258 WORD8 i1_mc_wd; /** Number of bytes in a DMA stride */ 259 WORD8 i1_dma_ht; /** Number of strides */ 260 261 WORD8 i1_pod_ht; /** Flag specifying height of pad on demand */ 262 /** 0 (No pod) -ve(Top pod) +ve(Bottom pod) */ 263 UWORD16 u2_dst_stride; /** Stride value of the destination */ 264 UWORD16 u2_u1_ref_buf_wd; /** Width of the ref buffer */ 265 UWORD16 u2_frm_wd; 266 UWORD16 u2_dummy; 267 268 UWORD8 *u1_pi1_wt_ofst_rec_v; /** Pointer to packed weight and u4_ofst */ 269 UWORD8 *pu1_rec_y_u; /** MB partition address in row buffer */ 270 UWORD8 *pu1_dma_dest_addr; /** Destination address for DMA transfer */ 271 UWORD8 *pu1_y_ref; 272 UWORD8 *pu1_u_ref; 273 UWORD8 *pu1_v_ref; 274 275 UWORD8 *pu1_pred; 276 UWORD8 *pu1_pred_u; 277 UWORD8 *pu1_pred_v; 278 UWORD8 u1_dma_wd_y; 279 UWORD8 u1_dma_ht_y; 280 UWORD8 u1_dma_wd_uv; 281 UWORD8 u1_dma_ht_uv; 282 } pred_info_t; 283 284 typedef struct 285 { 286 UWORD32 *pu4_wt_offst; 287 WORD16 i2_mv[2]; 288 289 /***************************************************/ 290 /*packing information i1_size_pos_info */ 291 /* bit 1:0 -> X position in terms of (4x4) units */ 292 /* bit 3:2 -> Y position in terms of (4x4) units */ 293 /* bit 5:4 -> PU width 0:4,1:8,2:16 */ 294 /* bit 7:6 -> PU height 0:4,1:8,2:16 */ 295 /***************************************************/ 296 WORD8 i1_size_pos_info; 297 298 /***************************************************/ 299 /*packing information ref idx info */ 300 /* bit 5:0 ->ref_idx */ 301 /* bit 6:7 -> 0:l0,1:l1,2:bipred */ 302 /***************************************************/ 303 WORD8 i1_ref_idx_info; 304 305 WORD8 i1_buf_id; 306 307 308 UWORD8 u1_pic_type; /** frame /top field/bottom field/mbaff / complementary field pair */ 309 310 }pred_info_pkd_t; 311 /*! Sequence level parameters */ 312 313 typedef struct 314 { 315 UWORD8 u1_seq_parameter_set_id; /** id for the seq par set 0-31 */ 316 UWORD8 u1_is_valid; /** is Seq Param set valid */ 317 318 UWORD16 u2_frm_wd_in_mbs; /** Frame width expressed in MB units */ 319 UWORD16 u2_frm_ht_in_mbs; /** Frame height expressed in MB units */ 320 321 /* Following are derived from the above two */ 322 UWORD16 u2_fld_ht_in_mbs; /** Field height expressed in MB units */ 323 UWORD16 u2_max_mb_addr; /** Total number of macroblocks in a coded picture */ 324 UWORD16 u2_total_num_of_mbs; /** Total number of macroblocks in a coded picture */ 325 UWORD32 u4_fld_ht; /** field height */ 326 UWORD32 u4_cwidth; /** chroma width */ 327 UWORD32 u4_chr_frm_ht; /** chroma height */ 328 UWORD32 u4_chr_fld_ht; /** chroma field height */ 329 UWORD8 u1_mb_aff_flag; /** 0 - no mb_aff; 1 - uses mb_aff */ 330 331 UWORD8 u1_profile_idc; /** profile value */ 332 UWORD8 u1_level_idc; /** level value */ 333 334 /* high profile related syntax elements */ 335 WORD32 i4_chroma_format_idc; 336 WORD32 i4_bit_depth_luma_minus8; 337 WORD32 i4_bit_depth_chroma_minus8; 338 WORD32 i4_qpprime_y_zero_transform_bypass_flag; 339 WORD32 i4_seq_scaling_matrix_present_flag; 340 UWORD8 u1_seq_scaling_list_present_flag[8]; 341 UWORD8 u1_use_default_scaling_matrix_flag[8]; 342 WORD16 i2_scalinglist4x4[6][16]; 343 WORD16 i2_scalinglist8x8[2][64]; 344 UWORD8 u1_more_than_one_slice_group_allowed_flag; 345 UWORD8 u1_arbitrary_slice_order_allowed_flag; 346 UWORD8 u1_redundant_slices_allowed_flag; 347 UWORD8 u1_bits_in_frm_num; /** Number of bits in frame num */ 348 UWORD16 u2_u4_max_pic_num_minus1; /** Maximum frame num minus 1 */ 349 UWORD8 u1_pic_order_cnt_type; /** 0 - 2 indicates the method to code picture order count */ 350 UWORD8 u1_log2_max_pic_order_cnt_lsb_minus; 351 WORD32 i4_max_pic_order_cntLsb; 352 UWORD8 u1_num_ref_frames_in_pic_order_cnt_cycle; 353 UWORD8 u1_delta_pic_order_always_zero_flag; 354 WORD32 i4_ofst_for_non_ref_pic; 355 WORD32 i4_ofst_for_top_to_bottom_field; 356 WORD32 i4_ofst_for_ref_frame[MAX_NUM_REF_FRAMES_OFFSET]; 357 UWORD8 u1_num_ref_frames; 358 UWORD8 u1_gaps_in_frame_num_value_allowed_flag; 359 UWORD8 u1_frame_mbs_only_flag; /** 1 - frame only; 0 - field/frame pic */ 360 UWORD8 u1_direct_8x8_inference_flag; 361 UWORD8 u1_vui_parameters_present_flag; 362 vui_t s_vui; 363 } dec_seq_params_t; 364 365 typedef struct 366 { 367 UWORD16 u2_frm_wd_in_mbs; /** Frame width expressed in MB units */ 368 UWORD16 u2_frm_ht_in_mbs; /** Frame height expressed in MB units */ 369 UWORD8 u1_frame_mbs_only_flag; /** 1 - frame only; 0 - field/frame pic */ 370 UWORD8 u1_profile_idc; /** profile value */ 371 UWORD8 u1_level_idc; /** level value */ 372 UWORD8 u1_direct_8x8_inference_flag; 373 UWORD8 u1_eoseq_pending; 374 } prev_seq_params_t; 375 376 /** Picture level parameters */ 377 typedef struct 378 { 379 dec_seq_params_t *ps_sps; /** applicable seq. parameter set */ 380 381 /* High profile related syntax elements */ 382 WORD32 i4_transform_8x8_mode_flag; 383 WORD32 i4_pic_scaling_matrix_present_flag; 384 UWORD8 u1_pic_scaling_list_present_flag[8]; 385 UWORD8 u1_pic_use_default_scaling_matrix_flag[8]; 386 WORD16 i2_pic_scalinglist4x4[6][16]; 387 WORD16 i2_pic_scalinglist8x8[2][64]; 388 WORD8 i1_second_chroma_qp_index_offset; 389 390 UWORD32 u4_slice_group_change_rate; 391 UWORD8 *pu1_slice_groupmb_map; /** MB map with slice membership labels */ 392 UWORD8 u1_pic_parameter_set_id; /** id for the picture par set 0-255*/ 393 UWORD8 u1_entropy_coding_mode; /** Entropy coding : 0-VLC; 1 - CABAC */ 394 UWORD8 u1_num_slice_groups; /** Number of slice groups */ 395 UWORD8 u1_pic_init_qp; /** Initial QPY for the picture {-26,25}*/ 396 WORD8 i1_chroma_qp_index_offset; /** Chroma QP u4_ofst w.r.t QPY {-12,12} */ 397 UWORD8 u1_dblk_filter_parms_flag; /** Slice layer has deblocking filter parameters */ 398 UWORD8 u1_constrained_intra_pred_flag; /** Constrained intra prediction u4_flag */ 399 UWORD8 u1_redundant_pic_cnt_present_flag; /** Redundant_pic_cnt is in slices using this PPS */ 400 UWORD8 u1_pic_order_present_flag; /** Pic order present u4_flag */ 401 UWORD8 u1_num_ref_idx_lx_active[2]; /** Maximum reference picture index in the reference list 0 : range [1 - 15] */ 402 UWORD8 u1_wted_pred_flag; 403 UWORD8 u1_wted_bipred_idc; 404 UWORD8 u1_pic_init_qs; 405 UWORD8 u1_deblocking_filter_parameters_present_flag; 406 UWORD8 u1_vui_pic_parameters_flag; 407 UWORD8 u1_mb_slice_group_map_type; 408 UWORD8 u1_slice_group_change_direction_flag; 409 UWORD8 u1_frame_cropping_flag; 410 UWORD8 u1_frame_cropping_rect_left_ofst; 411 UWORD8 u1_frame_cropping_rect_right_ofst; 412 UWORD8 u1_frame_cropping_rect_top_ofst; 413 UWORD8 u1_frame_cropping_rect_bottom_ofst; 414 void * pv_codec_handle; /* For Error Handling */ 415 WORD32 i4_top_field_order_cnt; 416 WORD32 i4_bottom_field_order_cnt; 417 WORD32 i4_avg_poc; 418 UWORD8 u1_is_valid; /** is Pic Param set valid */ 419 } dec_pic_params_t; 420 421 /** Picture Order Count Paramsters */ 422 typedef struct 423 { 424 WORD32 i4_pic_order_cnt_lsb; 425 WORD32 i4_pic_order_cnt_msb; 426 WORD32 i4_delta_pic_order_cnt_bottom; 427 WORD32 i4_delta_pic_order_cnt[2]; 428 WORD32 i4_prev_frame_num_ofst; 429 UWORD8 u1_mmco_equalto5; 430 UWORD8 u1_bot_field; 431 UWORD16 u2_frame_num; 432 WORD32 i4_top_field_order_count; 433 WORD32 i4_bottom_field_order_count; 434 } pocstruct_t; 435 436 /*****************************************************************************/ 437 /* parse_mb_pers_info contains necessary mb info data required persistently */ 438 /* in the form of top and left neighbours. */ 439 /*****************************************************************************/ 440 typedef struct 441 { 442 void *u4_pic_addrress[4]; /* picture address for BS calc */ 443 WORD8 pi1_intrapredmodes[4]; /* calc Intra pred modes */ 444 UWORD8 pu1_nnz_y[4]; 445 UWORD8 pu1_nnz_uv[4]; 446 UWORD8 u1_mb_fld; 447 UWORD8 u1_mb_type; 448 UWORD16 u2_luma_csbp; /* Luma csbp used for BS calc */ 449 UWORD8 u1_tran_form8x8; 450 } mb_neigbour_params_t; 451 452 /* This info is required for decoding purposes except Deblockng */ 453 typedef struct _DecMbInfo 454 { 455 UWORD8 u1_mb_type; /** macroblock type: I/P/B/SI/SP */ 456 UWORD8 u1_chroma_pred_mode; 457 UWORD8 u1_cbp; 458 UWORD8 u1_mb_mc_mode; /** 16x16, 2 16x8, 2 8x16, 4 8x8 */ 459 UWORD8 u1_topmb; /** top Mb u4_flag */ 460 UWORD8 u1_mb_ngbr_availablity; 461 UWORD8 u1_end_of_slice; 462 UWORD8 u1_mb_field_decodingflag; 463 UWORD8 u1_topleft_mb_fld; 464 UWORD8 u1_topleft_mbtype; 465 WORD8 i1_offset; 466 UWORD8 u1_Mux; 467 UWORD8 u1_qp_div6; 468 UWORD8 u1_qp_rem6; 469 UWORD8 u1_qpc_div6; 470 UWORD8 u1_qpcr_div6; 471 UWORD8 u1_qpc_rem6; 472 UWORD8 u1_qpcr_rem6; 473 UWORD8 u1_tran_form8x8; 474 UWORD8 u1_num_pred_parts; 475 UWORD8 u1_yuv_dc_block_flag; 476 UWORD16 u2_top_right_avail_mask; 477 UWORD16 u2_top_left_avail_mask; 478 UWORD16 u2_luma_csbp; /** Coded 4x4 Sub Block Pattern */ 479 UWORD16 u2_chroma_csbp; /** Coded 4x4 Sub Block Pattern */ 480 UWORD16 u2_mbx; 481 UWORD16 u2_mby; 482 UWORD16 u2_mask[2]; 483 484 UWORD32 u4_pred_info_pkd_idx; 485 486 mb_neigbour_params_t *ps_left_mb; 487 mb_neigbour_params_t *ps_top_mb; 488 mb_neigbour_params_t *ps_top_right_mb; 489 mb_neigbour_params_t *ps_curmb; 490 } dec_mb_info_t; 491 492 493 /** Slice level parameters */ 494 typedef struct 495 { 496 dec_pic_params_t *ps_pps; /** PPS used */ 497 WORD32 i4_delta_pic_order_cnt[2]; 498 WORD32 i4_poc; /** Pic order cnt of picture to which slice belongs*/ 499 UWORD32 u4_idr_pic_id; /** IDR pic ID */ 500 UWORD16 u2_first_mb_in_slice; /** Address of first MB in slice*/ 501 UWORD16 u2_frame_num; /** Frame number from prev IDR pic */ 502 503 UWORD8 u1_mbaff_frame_flag; /** Mb adaptive frame field u4_flag */ 504 UWORD8 u1_field_pic_flag; /** Field picture or not */ 505 UWORD8 u1_bottom_field_flag; /** If slice belongs to bot field pic */ 506 UWORD8 u1_slice_type; /** I/P/B/SI/SP */ 507 WORD32 i4_pic_order_cnt_lsb; /** Picture Order Count */ 508 UWORD8 u1_slice_qp; /** Add slice_qp_delta to pic_init_QP */ 509 UWORD8 u1_disable_dblk_filter_idc; /** 0-dblk all edges; 1 - suppress; 2 - suppress only edges */ 510 WORD8 i1_slice_alpha_c0_offset; /** dblk: alpha and C0 table u4_ofst {-12,12}*/ 511 WORD8 i1_slice_beta_offset; /** dblk: beta table u4_ofst {-12, 12}*/ 512 UWORD8 u1_sp_for_switch_flag; 513 UWORD8 u1_no_output_of_prior_pics_flag; 514 UWORD8 u1_long_term_reference_flag; 515 UWORD8 u1_num_ref_idx_lx_active[2]; 516 UWORD8 u1_cabac_init_idc; /** cabac_init_idc */ 517 UWORD8 u1_num_ref_idx_active_override_flag; 518 UWORD8 u1_direct_spatial_mv_pred_flag; 519 WORD32 (*pf_decodeDirect)(struct _DecStruct *ps_dec, 520 UWORD8 u1_wd_x, 521 dec_mb_info_t *ps_cur_mb_info, 522 UWORD8 u1_mb_num); 523 UWORD8 u1_redundant_pic_cnt; 524 WORD8 i1_slice_qs_delta; 525 UWORD8 u1_nal_ref_idc; /** NAL ref idc of the Slice NAL unit */ 526 UWORD8 u1_nal_unit_type; /** NAL unit type of the Slice NAL */ 527 UWORD8 u1_direct_8x8_inference_flag; 528 UWORD8 u1_mmco_equalto5; /** any of the MMCO command equal to 5 */ 529 UWORD8 u1_pic_order_cnt_type; 530 pocstruct_t s_POC; 531 /* DataStructures required for weighted prediction */ 532 UWORD16 u2_log2Y_crwd; /** Packed luma and chroma log2_weight_denom */ 533 /* [list0/list1]:[ref pics index]:[0-Y 1-Cb 2-Cr] [weight/u4_ofst], 534 weights and offsets are signed numbers, since they are packed, it is defined 535 unsigned. LSB byte : weight and MSB byte: u4_ofst */ 536 UWORD32 u4_wt_ofst_lx[2][MAX_REF_BUFS][3]; 537 void * pv_codec_handle; /* For Error Handling */ 538 539 /* This is used when reordering is done in Forward or */ 540 /* backward lists. This is because reordering can point */ 541 /* to any valid entry in initial list irrespective of */ 542 /* num_ref_idx_active which could be overwritten using */ 543 /* ref_idx_reorder_flag */ 544 UWORD8 u1_initial_list_size[2]; 545 UWORD32 u4_mbs_in_slice; 546 } dec_slice_params_t; 547 548 549 typedef struct 550 { 551 UWORD8 u1_mb_type; /* Bit representations, X- reserved */ 552 /** |Field/Frame|X|X|X|X|Bslice u4_flag|PRED_NON_16x16 u4_flag |Intra Mbflag| */ 553 UWORD8 u1_mb_qp; 554 UWORD8 u1_deblocking_mode; /** dblk: Mode [ NO / NO TOP / NO LEFT] filter */ 555 WORD8 i1_slice_alpha_c0_offset; /** dblk: alpha and C0 table u4_ofst {-12,12}*/ 556 WORD8 i1_slice_beta_offset; /** dblk: beta table u4_ofst {-12, 12}*/ 557 UWORD8 u1_single_call; 558 UWORD8 u1_topmb_qp; 559 UWORD8 u1_left_mb_qp; 560 UWORD32 u4_bs_table[10]; /* Boundary strength */ 561 562 } deblk_mb_t; 563 564 typedef struct 565 { 566 UWORD8 u1_mb_type; 567 UWORD8 u1_mb_qp; 568 } deblkmb_neighbour_t; 569 570 #define MAX_MV_RESIDUAL_INFO_PER_MB 32 571 #define MAX_REFIDX_INFO_PER_MB 4 572 #define PART_NOT_DIRECT 0 573 #define PART_DIRECT_8x8 1 574 #define PART_DIRECT_16x16 2 575 typedef struct 576 { 577 UWORD8 u1_is_direct; 578 UWORD8 u1_pred_mode; 579 UWORD8 u1_sub_mb_num; 580 UWORD8 u1_partheight; 581 UWORD8 u1_partwidth; 582 } parse_part_params_t; 583 584 typedef struct 585 { 586 UWORD8 u1_isI_mb; 587 UWORD8 u1_num_part; 588 UWORD32 *pu4_wt_offst[MAX_REFIDX_INFO_PER_MB]; 589 WORD8 i1_ref_idx[2][MAX_REFIDX_INFO_PER_MB]; 590 UWORD8 u1_col_info[MAX_REFIDX_INFO_PER_MB]; 591 } parse_pmbarams_t; 592 593 typedef struct 594 { 595 UWORD8 u1_vert_pad_top; /* flip-flop u4_flag remembering pad area (Vert) */ 596 UWORD8 u1_vert_pad_bot; /* flip-flop u4_flag remembering pad area (Vert) */ 597 UWORD8 u1_horz_pad; /* flip-flop u4_flag remembering pad area (Vert) */ 598 UWORD8 u1_pad_len_y_v; /* vertical pad amount for luma */ 599 UWORD8 u1_pad_len_cr_v; /* vertical pad amount for chroma */ 600 } pad_mgr_t; 601 602 603 #define ACCEPT_ALL_PICS (0x00) 604 #define REJECT_CUR_PIC (0x01) 605 #define REJECT_PB_PICS (0x02) 606 607 #define MASK_REJECT_CUR_PIC (0xFE) 608 #define MASK_REJECT_PB_PICS (0xFD) 609 610 #define PIC_TYPE_UNKNOWN (0xFF) 611 #define PIC_TYPE_I (0x00) 612 #define SYNC_FRM_DEFAULT (0xFFFFFFFF) 613 #define INIT_FRAME (0xFFFFFF) 614 615 typedef struct dec_err_status_t 616 { 617 UWORD8 u1_cur_pic_type; 618 UWORD8 u1_pic_aud_i; 619 UWORD8 u1_err_flag; 620 UWORD32 u4_frm_sei_sync; 621 UWORD32 u4_cur_frm; 622 } dec_err_status_t; 623 624 /**************************************************************************/ 625 /* Structure holds information about all high profile toolsets */ 626 /**************************************************************************/ 627 typedef struct 628 { 629 /*****************************************/ 630 /* variables required for scaling */ 631 /*****************************************/ 632 UWORD8 u1_scaling_present; 633 WORD16 *pi2_scale_mat[8]; 634 635 /*************************************************/ 636 /* scaling matrices for frame macroblocks after */ 637 /* inverse scanning */ 638 /*************************************************/ 639 WORD16 i2_scalinglist4x4[6][16]; 640 WORD16 i2_scalinglist8x8[2][64]; 641 642 643 /*****************************************/ 644 /* variables required for transform8x8 */ 645 /*****************************************/ 646 UWORD8 u1_transform8x8_present; 647 UWORD8 u1_direct_8x8_inference_flag; 648 /* temporary variable to get noSubMbPartSizeLessThan8x8Flag from ih264d_parse_bmb_non_direct_cavlc */ 649 UWORD8 u1_no_submb_part_size_lt8x8_flag; 650 651 /* needed for inverse scanning */ 652 cavlc_cntxt_t s_cavlc_ctxt; 653 654 /* contexts for the CABAC related parsing */ 655 bin_ctxt_model_t *ps_transform8x8_flag; 656 bin_ctxt_model_t *ps_sigcoeff_8x8_frame; 657 bin_ctxt_model_t *ps_last_sigcoeff_8x8_frame; 658 bin_ctxt_model_t *ps_coeff_abs_levelminus1; 659 bin_ctxt_model_t *ps_sigcoeff_8x8_field; 660 bin_ctxt_model_t *ps_last_sigcoeff_8x8_field; 661 662 /* variables required for intra8x8 */ 663 664 /* variables required for handling different Qp for Cb and Cr */ 665 666 } high_profile_tools_t; 667 668 typedef struct 669 { 670 UWORD32 u4_num_bufs; /* Number of buffers in each display frame. 2 for 420SP and 3 for 420P and so on */ 671 void *buf[3]; /* Pointers to each of the components */ 672 UWORD32 u4_bufsize[3]; 673 UWORD32 u4_ofst[3]; 674 } disp_buf_t; 675 typedef struct _dec_slice_struct 676 { 677 volatile UWORD32 u4_first_mb_in_slice; 678 volatile UWORD32 slice_type; 679 volatile UWORD16 u2_log2Y_crwd; 680 volatile void **ppv_map_ref_idx_to_poc; 681 volatile void *pv_tu_coeff_data_start; 682 } dec_slice_struct_t; 683 684 /** 685 * Structure to hold coefficient info for a 4x4 transform 686 */ 687 typedef struct 688 { 689 /** 690 * significant coefficient map 691 */ 692 UWORD16 u2_sig_coeff_map; 693 694 /** 695 * holds coefficients 696 */ 697 WORD16 ai2_level[16]; 698 }tu_sblk4x4_coeff_data_t; 699 700 /** 701 * Structure to hold coefficient info for a 8x8 transform 702 */ 703 typedef struct 704 { 705 706 /** 707 * significant coefficient map 708 */ 709 UWORD32 au4_sig_coeff_map[2]; 710 711 /** 712 * holds coefficients 713 */ 714 WORD16 ai2_level[64]; 715 }tu_blk8x8_coeff_data_t; 716 717 /** 718 * Reference mapping from pic_buf_id to mv_buf_id and pointers to corresponding qp_map and 719 * mb_type_map 720 */ 721 typedef struct 722 { 723 /** 724 * mv buf id 725 */ 726 WORD32 mv_buf_id; 727 728 /** 729 * qp_map buffer 730 */ 731 UWORD8 *pu1_qp_map; 732 733 /** 734 * mbtype buffer 735 */ 736 UWORD8 *pu1_mb_type_map; 737 }ref_map_t; 738 739 /** Aggregating structure that is globally available */ 740 typedef struct _DecStruct 741 { 742 743 /* Add below all other static memory allocations and pointers to items 744 that are dynamically allocated once per session */ 745 dec_bit_stream_t *ps_bitstrm; 746 dec_seq_params_t *ps_cur_sps; 747 dec_pic_params_t *ps_cur_pps; 748 dec_slice_params_t *ps_cur_slice; 749 750 dec_pic_params_t *ps_pps; 751 dec_seq_params_t *ps_sps; 752 const UWORD16 *pu2_quant_scale_y; 753 const UWORD16 *pu2_quant_scale_u; 754 const UWORD16 *pu2_quant_scale_v; 755 UWORD16 u2_mbx; 756 UWORD16 u2_mby; 757 758 UWORD16 u2_frm_wd_y; /** Width for luma buff */ 759 UWORD16 u2_frm_ht_y; /** Height for luma buff */ 760 UWORD16 u2_frm_wd_uv; /** Width for chroma buff */ 761 UWORD16 u2_frm_ht_uv; /** Height for chroma buff */ 762 UWORD16 u2_frm_wd_in_mbs; /** Frame width expressed in MB units */ 763 UWORD16 u2_frm_ht_in_mbs; /** Frame height expressed in MB units */ 764 WORD32 i4_submb_ofst; /** Offset in subMbs from the top left edge */ 765 /* Pointer to colocated Zero frame Image, will be used in B_DIRECT mode */ 766 /* colZeroFlag | // 0th bit 767 field_flag | // 1st bit 768 XX | // 2:3 bit don't cares 769 subMbMode | // 4:5 bit 770 MbMode | // 6:7 bit */ 771 772 UWORD8 *pu1_col_zero_flag; 773 774 UWORD16 u2_pic_wd; /** Width of the picture being decoded */ 775 UWORD16 u2_pic_ht; /** Height of the picture being decoded */ 776 UWORD32 u4_total_mbs; /** Total MBs in the picture being decoded */ 777 778 UWORD8 u1_first_slice_in_stream; 779 UWORD8 u1_mb_ngbr_availablity; 780 UWORD8 u1_ref_idxl0_active_minus1; 781 UWORD8 u1_qp; 782 UWORD8 u1_qp_y_div6; 783 UWORD8 u1_qp_u_div6; 784 UWORD8 u1_qp_y_rem6; 785 UWORD8 u1_qp_u_rem6; 786 787 /** mb_info variables - qp_map, mb_type_map */ 788 UWORD8 u1_enable_mb_info; 789 UWORD8 *pu1_qp_map_base; 790 UWORD8 *pu1_mb_type_map_base; 791 /*********************************/ 792 /* configurable mb-group numbers */ 793 /* very critical to the decoder */ 794 /*********************************/ 795 /************************************************************/ 796 /* MB_GROUP should be a multiple of 2 */ 797 /************************************************************/ 798 UWORD8 u1_recon_mb_grp; 799 UWORD8 u1_recon_mb_grp_pair; 800 /* Variables to handle Cabac */ 801 decoding_envirnoment_t s_cab_dec_env; /* < Structure for decoding_envirnoment_t */ 802 /* These things need to be updated at each MbLevel */ 803 WORD8 i1_next_ctxt_idx; /* < next Ctxt Index */ 804 UWORD8 u1_currB_type; 805 WORD8 i1_prev_mb_qp_delta; /* Prev MbQpDelta */ 806 UWORD8 u1_nal_unit_type; 807 808 ctxt_inc_mb_info_t *p_ctxt_inc_mb_map; /* Pointer to ctxt_inc_mb_info_t map */ 809 ctxt_inc_mb_info_t *p_left_ctxt_mb_info; /* Pointer to left ctxt_inc_mb_info_t */ 810 ctxt_inc_mb_info_t *p_top_ctxt_mb_info; /* Pointer to top ctxt_inc_mb_info_t */ 811 ctxt_inc_mb_info_t *ps_curr_ctxt_mb_info; /* Pointer to current ctxt_inc_mb_info_t */ 812 ctxt_inc_mb_info_t *ps_def_ctxt_mb_info; /* Pointer to default ctxt_inc_mb_info_t */ 813 814 /* mv contexts for mv decoding using cabac */ 815 //UWORD8 u1_top_mv_ctxt_inc[4][4]; 816 /* Dimensions for u1_left_mv_ctxt_inc_arr is [2][4][4] for Mbaff case */ 817 UWORD8 u1_left_mv_ctxt_inc_arr[2][4][4]; 818 UWORD8 (*pu1_left_mv_ctxt_inc)[4]; 819 820 UWORD8 u1_sub_mb_num; 821 UWORD8 u1_B; /** if B slice u1_B = 1 else 0 */ 822 WORD16 i2_only_backwarddma_info_idx; 823 mv_pred_t *ps_mv; /** Pointer to the MV bank array */ 824 mv_pred_t *ps_mv_bank_cur; /** Pointer to the MV bank array */ 825 mv_pred_t s_default_mv_pred; /** Structure containing the default values 826 for MV predictor */ 827 828 pred_info_t *ps_pred; /** Stores info to cfg MC */ 829 pred_info_t *ps_pred_start; 830 831 UWORD32 u4_pred_info_idx; 832 pred_info_pkd_t *ps_pred_pkd; 833 pred_info_pkd_t *ps_pred_pkd_start; 834 UWORD32 u4_pred_info_pkd_idx; 835 UWORD8 *pu1_ref_buff; /** Destination buffer for DMAs */ 836 UWORD32 u4_dma_buf_idx; 837 838 UWORD8 *pu1_y; 839 UWORD8 *pu1_u; 840 UWORD8 *pu1_v; 841 842 WORD16 *pi2_y_coeff; 843 UWORD8 *pu1_inv_scan; 844 845 /** 846 * Pointer frame level TU subblock coeff data 847 */ 848 void *pv_pic_tu_coeff_data; 849 850 /** 851 * Pointer to TU subblock coeff data and number of subblocks and scan idx 852 * Incremented each time a coded subblock is processed 853 * 854 */ 855 void *pv_parse_tu_coeff_data; 856 void *pv_prev_mb_parse_tu_coeff_data; 857 858 void *pv_proc_tu_coeff_data; 859 860 WORD16 *pi2_coeff_data; 861 862 cavlc_cntxt_t s_cavlc_ctxt; 863 864 UWORD32 u4_n_leftY[2]; 865 UWORD32 u4_n_left_cr[2]; 866 UWORD32 u4_n_left_temp_y; 867 868 UWORD8 pu1_left_nnz_y[4]; 869 UWORD8 pu1_left_nnz_uv[4]; 870 UWORD32 u4_n_left_temp_uv; 871 /***************************************************************************/ 872 /* Base pointer to all the cabac contexts */ 873 /***************************************************************************/ 874 bin_ctxt_model_t *p_cabac_ctxt_table_t; 875 876 /***************************************************************************/ 877 /* cabac context pointers for every SE mapped into in p_cabac_ctxt_table_t */ 878 /***************************************************************************/ 879 bin_ctxt_model_t *p_mb_type_t; 880 bin_ctxt_model_t *p_mb_skip_flag_t; 881 bin_ctxt_model_t *p_sub_mb_type_t; 882 bin_ctxt_model_t *p_mvd_x_t; 883 bin_ctxt_model_t *p_mvd_y_t; 884 bin_ctxt_model_t *p_ref_idx_t; 885 bin_ctxt_model_t *p_mb_qp_delta_t; 886 bin_ctxt_model_t *p_intra_chroma_pred_mode_t; 887 bin_ctxt_model_t *p_prev_intra4x4_pred_mode_flag_t; 888 bin_ctxt_model_t *p_rem_intra4x4_pred_mode_t; 889 bin_ctxt_model_t *p_mb_field_dec_flag_t; 890 bin_ctxt_model_t *p_cbp_luma_t; 891 bin_ctxt_model_t *p_cbp_chroma_t; 892 bin_ctxt_model_t *p_cbf_t[NUM_CTX_CAT]; 893 bin_ctxt_model_t *p_significant_coeff_flag_t[NUM_CTX_CAT]; 894 bin_ctxt_model_t *p_coeff_abs_level_minus1_t[NUM_CTX_CAT]; 895 896 UWORD32 u4_num_pmbair; /** MB pair number */ 897 mv_pred_t *ps_mv_left; /** Pointer to left motion vector bank */ 898 mv_pred_t *ps_mv_top_left; /** Pointer to top left motion vector bank */ 899 mv_pred_t *ps_mv_top_right; /** Pointer to top right motion vector bank */ 900 901 UWORD8 *pu1_left_yuv_dc_csbp; 902 903 904 deblkmb_neighbour_t deblk_left_mb[2]; 905 deblkmb_neighbour_t *ps_deblk_top_mb; 906 neighbouradd_t (*ps_left_mvpred_addr)[2]; /* Left MvPred Address Ping Pong*/ 907 908 /***************************************************************************/ 909 /* Ref_idx contexts are stored in the following way */ 910 /* Array Idx 0,1 for reference indices in Forward direction */ 911 /* Array Idx 2,3 for reference indices in backward direction */ 912 /***************************************************************************/ 913 914 /* Dimensions for u1_left_ref_ctxt_inc_arr is [2][4] for Mbaff:Top and Bot */ 915 WORD8 i1_left_ref_idx_ctx_inc_arr[2][4]; 916 WORD8 *pi1_left_ref_idx_ctxt_inc; 917 918 /*************************************************************************/ 919 /* Arrangnment of DC CSBP */ 920 /* bits: b7 b6 b5 b4 b3 b2 b1 b0 */ 921 /* CSBP: x x x x x Vdc Udc Ydc */ 922 /*************************************************************************/ 923 /*************************************************************************/ 924 /* Points either to u1_yuv_dc_csbp_topmb or u1_yuv_dc_csbp_bot_mb */ 925 /*************************************************************************/ 926 UWORD8 u1_yuv_dc_csbp_topmb; 927 UWORD8 u1_yuv_dc_csbp_bot_mb; 928 929 /* DMA SETUP */ 930 tfr_ctxt_t s_tran_addrecon_parse; 931 tfr_ctxt_t s_tran_addrecon; 932 tfr_ctxt_t s_tran_iprecon; 933 tfr_ctxt_t *ps_frame_buf_ip_recon; 934 WORD8 i1_recon_in_thread3_flag; 935 936 /* slice Header Simplification */ 937 UWORD8 u1_pr_sl_type; 938 WORD32 i4_frametype; 939 UWORD32 u4_app_disp_width; 940 WORD32 i4_error_code; 941 UWORD32 u4_bitoffset; 942 943 /* Variables added to handle field pics */ 944 945 UWORD8 u1_second_field; 946 WORD32 i4_pic_type; 947 WORD32 i4_content_type; 948 WORD32 i4_decode_header; 949 WORD32 i4_header_decoded; 950 UWORD32 u4_total_frames_decoded; 951 952 ctxt_inc_mb_info_t *ps_left_mb_ctxt_info; /* structure containing the left MB's 953 context info, incase of Mbaff */ 954 pocstruct_t s_prev_pic_poc; 955 pocstruct_t s_cur_pic_poc; 956 WORD32 i4_cur_display_seq; 957 WORD32 i4_prev_max_display_seq; 958 WORD32 i4_max_poc; 959 deblk_mb_t *ps_cur_deblk_mb; 960 961 /* Pointers to local scratch buffers */ 962 deblk_mb_t *ps_deblk_pic; 963 964 /* Pointers to Picture Buffers (Given by BufAPI Lib) */ 965 struct pic_buffer_t *ps_cur_pic; /** Pointer to Current picture buffer */ 966 967 /* Scratch Picture Buffers (Given by BufAPI Lib) */ 968 struct pic_buffer_t s_cur_pic; 969 970 /* Current Slice related information */ 971 volatile UWORD16 u2_cur_slice_num; 972 volatile UWORD16 u2_cur_slice_num_dec_thread; 973 974 /* Variables needed for Buffer API handling */ 975 UWORD8 u1_nal_buf_id; 976 UWORD8 u1_pic_buf_id; 977 UWORD8 u1_pic_bufs; 978 979 WORD16 *pi2_pred1; //[441]; /** Temp predictor buffer for MC */ 980 /* Pointer to refernce Pic buffers list, 0:fwd, 1:bwd */ 981 pic_buffer_t **ps_ref_pic_buf_lx[2]; 982 /* refIdx to POC mapping */ 983 void **ppv_map_ref_idx_to_poc; 984 void **ppv_map_ref_idx_to_poc_base; 985 UWORD32 *pu4_wts_ofsts_mat; 986 UWORD32 *pu4_wt_ofsts; 987 UWORD32 *pu4_mbaff_wt_mat; 988 /* Function pointers to read Params common to CAVLC and CABAC */ 989 WORD32 (*pf_parse_inter_mb)(struct _DecStruct * ps_dec, 990 dec_mb_info_t * ps_cur_mb_info, 991 UWORD8 u1_mb_num, 992 UWORD8 u1_num_mbsNby2); 993 WORD32 (*pf_mvpred_ref_tfr_nby2mb)(struct _DecStruct * ps_dec, 994 UWORD8 u1_num_mbs, 995 UWORD8 u1_num_mbsNby2); 996 997 WORD32 (*pf_parse_inter_slice)(struct _DecStruct * ps_dec, 998 dec_slice_params_t * ps_slice, 999 UWORD16 u2_first_mb_in_slice); 1000 1001 UWORD32 (*pf_get_mb_info)(struct _DecStruct * ps_dec, 1002 const UWORD16 u2_cur_mb_address, 1003 dec_mb_info_t * ps_cur_mb_info, 1004 UWORD32 u4_mbskip_run); 1005 1006 /* Variables for Decode Buffer Management */ 1007 dpb_manager_t *ps_dpb_mgr; 1008 dpb_commands_t *ps_dpb_cmds; 1009 dpb_commands_t s_dpb_cmds_scratch; 1010 1011 /* Variables Required for N MB design */ 1012 dec_mb_info_t *ps_nmb_info; 1013 1014 UWORD8 *pu1_y_intra_pred_line; 1015 UWORD8 *pu1_u_intra_pred_line; 1016 UWORD8 *pu1_v_intra_pred_line; 1017 1018 UWORD8 *pu1_cur_y_intra_pred_line; 1019 UWORD8 *pu1_cur_u_intra_pred_line; 1020 UWORD8 *pu1_cur_v_intra_pred_line; 1021 1022 UWORD8 *pu1_cur_y_intra_pred_line_base; 1023 UWORD8 *pu1_cur_u_intra_pred_line_base; 1024 UWORD8 *pu1_cur_v_intra_pred_line_base; 1025 1026 UWORD8 *pu1_prev_y_intra_pred_line; 1027 UWORD8 *pu1_prev_u_intra_pred_line; 1028 UWORD8 *pu1_prev_v_intra_pred_line; 1029 1030 UWORD32 u4_intra_pred_line_ofst; 1031 1032 UWORD8 u1_res_changed; 1033 1034 mv_pred_t *ps_mv_cur; /** pointer to current motion vector bank */ 1035 mv_pred_t *ps_mv_top; /** pointer to top motion vector bank */ 1036 mv_pred_t *ps_mv_top_right2;/** Pointer to top right motion vector bank */ 1037 mv_pred_t *ps_mv_p[2]; /** Scratch ping motion vector bank */ 1038 mv_pred_t *ps_mv_top_p[MV_SCRATCH_BUFS]; /** Scratch top pong motion vector bank */ 1039 UWORD8 u1_mv_top_p; 1040 1041 deblk_mb_t *ps_deblk_mbn; 1042 1043 UWORD8 *pu1_temp_mc_buffer; 1044 1045 struct _sei *ps_sei; 1046 struct _sei *ps_sei_parse; 1047 struct _sei s_sei_export; 1048 1049 void *pv_disp_sei_params; 1050 1051 UWORD8 u1_pic_struct_copy; 1052 /* Variables required for cropping */ 1053 UWORD16 u2_disp_width; 1054 UWORD16 u2_disp_height; 1055 UWORD16 u2_crop_offset_y; 1056 UWORD16 u2_crop_offset_uv; 1057 1058 /* Variable required to get presentation time stamp through application */ 1059 UWORD32 u4_pts; 1060 1061 /* Variables used for gaps in frame number */ 1062 UWORD16 u2_prev_ref_frame_num; 1063 1064 UWORD8 u1_mb_idx; 1065 struct pic_buffer_t *ps_col_pic; 1066 void (*pf_parse_mvdirect)(struct _DecStruct*, 1067 struct pic_buffer_t*, 1068 directmv_t*, 1069 UWORD8, 1070 WORD32, 1071 dec_mb_info_t *); 1072 void *pv_dec_out; 1073 void *pv_dec_in; 1074 void *pv_scratch_sps_pps; /*used temeporarily store sps/ spps while parsing*/ 1075 1076 /* state pointers to mb and partition information */ 1077 parse_pmbarams_t *ps_parse_mb_data; 1078 parse_part_params_t *ps_parse_part_params; 1079 1080 /* scratch pointers to mb and partition information */ 1081 parse_part_params_t *ps_part; 1082 1083 UWORD8 u1_max_dec_frame_buffering; 1084 pad_mgr_t s_pad_mgr; 1085 UWORD8 (*pf_mvpred)(struct _DecStruct *ps_dec, 1086 struct _DecMbInfo *ps_cur_mb_info, 1087 mv_pred_t *ps_mv_pred, 1088 mv_pred_t *ps_mv_nmb, 1089 mv_pred_t *ps_mv_ntop, 1090 UWORD8 u1_sub_mb_num, 1091 UWORD8 uc_mb_part_width, 1092 UWORD8 uc_lxstart, 1093 UWORD8 uc_lxend, 1094 UWORD8 u1_mb_mc_mode); 1095 void (*pf_compute_bs)(struct _DecStruct * ps_dec, 1096 struct _DecMbInfo * ps_cur_mb_info, 1097 const UWORD16 u2_mbxn_mb); 1098 UWORD8 u1_init_dec_flag; 1099 WORD32 i4_reorder_depth; 1100 prev_seq_params_t s_prev_seq_params; 1101 UWORD8 u1_cur_mb_fld_dec_flag; /* current Mb fld or Frm */ 1102 1103 UWORD8 u1_topleft_mb_fld; 1104 UWORD8 u1_topleft_mbtype; 1105 UWORD8 u1_topleft_mb_fld_bot; 1106 UWORD8 u1_topleft_mbtype_bot; 1107 WORD16 i2_prev_slice_mbx; 1108 WORD16 i2_prev_slice_mby; 1109 UWORD16 u2_top_left_mask; 1110 UWORD16 u2_top_right_mask; 1111 dec_err_status_t * ps_dec_err_status; 1112 /* Ensure pi1_left_pred_mode is aligned to 4 byte boundary, 1113 by declaring this after a pointer or an integer */ 1114 WORD8 pi1_left_pred_mode[8]; 1115 1116 UWORD8 u1_mb_idx_mv; 1117 UWORD16 u2_mv_2mb[2]; 1118 UWORD32 u4_skip_frm_mask; 1119 1120 /* variable for finding the no.of mbs decoded in the current picture */ 1121 UWORD16 u2_total_mbs_coded; 1122 /* member added for supporting fragmented annex - B */ 1123 // frg_annex_read_t s_frag_annex_read; 1124 /* added for vui_t, sei support*/ 1125 WORD32 i4_vui_frame_rate; 1126 /* To Store the value of ref_idx_active for previous slice */ 1127 /* useful in error handling */ 1128 UWORD8 u1_num_ref_idx_lx_active_prev; 1129 /* Flag added to come out of process call in annex-b if&if frame is decoded */ 1130 /* presence of access unit delimters and pps and sps */ 1131 UWORD8 u1_frame_decoded_flag; 1132 1133 /* To keep track of whether the last picture was decoded or not */ 1134 /* in case of skip mode set by the application */ 1135 UWORD8 u1_last_pic_not_decoded; 1136 1137 WORD32 e_dec_status; 1138 UWORD32 u4_num_fld_in_frm; 1139 1140 /* Function pointer for 4x4 residual cavlc parsing based on total coeff */ 1141 WORD32 (*pf_cavlc_4x4res_block[3])(UWORD32 u4_isdc, 1142 UWORD32 u4_total_coeff_trail_one, /**TotalCoefficients<<16+trailingones*/ 1143 dec_bit_stream_t *ps_bitstrm); 1144 1145 /* Function pointer array for interpolate functions in called from motion compensattion module */ 1146 void (*p_mc_interpolate_x_y[16][3])(UWORD8*, 1147 UWORD8*, 1148 UWORD8*, 1149 UWORD8, 1150 UWORD16, 1151 UWORD16, 1152 UWORD8); 1153 1154 /**************************************************************************/ 1155 /* Function pointer for 4x4 totalcoeff, trlone and residual cavlc parsing */ 1156 /* based on u4_n (neigbourinng nnz average) */ 1157 /* These point to two functions depending on (u4_n > 7) and (u4_n <= 7) */ 1158 /**************************************************************************/ 1159 WORD32 (*pf_cavlc_parse4x4coeff[2])(WORD16 *pi2_coeff_block, 1160 UWORD32 u4_isdc, /* is it a DC block */ 1161 WORD32 u4_n, 1162 struct _DecStruct *ps_dec, /** Decoder Parameters */ 1163 UWORD32 *pu4_total_coeff); 1164 1165 /**************************************************************************/ 1166 /* Function pointer for luma 8x8block cavlc parsing based on top and left */ 1167 /* neigbour availability. */ 1168 /**************************************************************************/ 1169 WORD32 (*pf_cavlc_parse_8x8block[4])(WORD16 *pi2_coeff_block, 1170 UWORD32 u4_sub_block_strd, 1171 UWORD32 u4_isdc, 1172 struct _DecStruct *ps_dec, 1173 UWORD8 *pu1_top_nnz, 1174 UWORD8 *pu1_left_nnz, 1175 UWORD8 u1_tran_form8x8, 1176 UWORD8 u1_mb_field_decodingflag, 1177 UWORD32 *pu4_csbp); 1178 1179 /**************************************************************************/ 1180 /* Ping pong top and current rows of mb neigbour_params */ 1181 /**************************************************************************/ 1182 mb_neigbour_params_t *ps_nbr_mb_row; 1183 mb_neigbour_params_t *ps_cur_mb_row; 1184 mb_neigbour_params_t *ps_top_mb_row; 1185 1186 /**************************************************************************/ 1187 /* Function pointer for 16x16 and non16x16 Bs1 calculations depending on */ 1188 /* P and B slice. */ 1189 /***************************************************************************/ 1190 void (*pf_fill_bs1[2][2])(mv_pred_t *ps_cur_mv_pred, 1191 mv_pred_t *ps_top_mv_pred, 1192 void **ppv_map_ref_idx_to_poc, 1193 UWORD32 *pu4_bs_table, /* pointer to the BsTable array */ 1194 mv_pred_t *ps_leftmost_mv_pred, 1195 neighbouradd_t *ps_left_addr, 1196 void **u4_pic_addrress, 1197 WORD32 i4_ver_mvlimit); 1198 1199 void (*pf_fill_bs_xtra_left_edge[2])(UWORD32 *pu4_bs, /* Base pointer of BS table */ 1200 WORD32 u4_left_mb_t_csbp, /* left mbpair's top csbp */ 1201 WORD32 u4_left_mb_b_csbp, /* left mbpair's bottom csbp*/ 1202 WORD32 u4_cur_mb_csbp, /* csbp of current mb */ 1203 UWORD32 u4_cur_mb_bot /* is top or bottom mb */ 1204 1205 ); 1206 /* Function pointer array for BP and MP functions for MC*/ 1207 void (*p_motion_compensate)(struct _DecStruct * ps_dec, 1208 dec_mb_info_t *ps_cur_mb_info); 1209 1210 1211 void (*p_mc_dec_thread)(struct _DecStruct * ps_dec, dec_mb_info_t *ps_cur_mb_info); 1212 1213 /* Function pointer array for BP and MP functions for formMbPartInfo*/ 1214 1215 WORD32 (*p_form_mb_part_info)(pred_info_pkd_t *ps_pred_pkd, 1216 struct _DecStruct * ps_dec, 1217 UWORD16 u2_mb_x, 1218 UWORD16 u2_mb_y, 1219 WORD32 mb_index, 1220 dec_mb_info_t *ps_cur_mb_info); 1221 1222 WORD32 (*p_form_mb_part_info_thread)(pred_info_pkd_t *ps_pred_pkd, 1223 struct _DecStruct * ps_dec, 1224 UWORD16 u2_mb_x, 1225 UWORD16 u2_mb_y, 1226 WORD32 mb_index, 1227 dec_mb_info_t *ps_cur_mb_info); 1228 1229 1230 /* Required for cabac mbaff bottom mb */ 1231 UWORD32 u4_next_mb_skip; 1232 1233 void (*p_DeblockPicture[2])(struct _DecStruct *); 1234 1235 /* ! */ 1236 UWORD32 u4_ts; 1237 UWORD8 u1_flushfrm; 1238 1239 /* Output format sent by the application */ 1240 UWORD8 u1_chroma_format; 1241 UWORD8 u1_pic_decode_done; 1242 UWORD8 u1_slice_header_done; 1243 WORD32 init_done; 1244 1245 /******************************************/ 1246 /* For the high profile related variables */ 1247 /******************************************/ 1248 high_profile_tools_t s_high_profile; 1249 /* CBCR */ 1250 UWORD8 u1_qp_v_div6; 1251 UWORD8 u1_qp_v_rem6; 1252 /* 1253 * TO help solve the dangling field case. 1254 * Check for the previous frame number and the current frame number. 1255 */ 1256 UWORD16 u2_prv_frame_num; 1257 UWORD8 u1_top_bottom_decoded; 1258 UWORD8 u1_dangling_field; 1259 1260 IVD_DISPLAY_FRAME_OUT_MODE_T e_frm_out_mode; 1261 1262 UWORD8 *pu1_bits_buf_static; 1263 UWORD8 *pu1_bits_buf_dynamic; 1264 1265 UWORD32 u4_static_bits_buf_size; 1266 UWORD32 u4_dynamic_bits_buf_size; 1267 1268 UWORD32 u4_num_disp_bufs_requested; 1269 WORD32 i4_display_delay; 1270 UWORD32 u4_slice_start_code_found; 1271 1272 UWORD32 u4_nmb_deblk; 1273 UWORD32 u4_use_intrapred_line_copy; 1274 UWORD32 u4_num_mbs_prev_nmb; 1275 UWORD32 u4_num_mbs_cur_nmb; 1276 UWORD32 u4_app_deblk_disable_level; 1277 UWORD32 u4_app_disable_deblk_frm; 1278 WORD32 i4_mv_frac_mask; 1279 1280 disp_buf_t disp_bufs[MAX_DISP_BUFS_NEW]; 1281 UWORD32 u4_disp_buf_mapping[MAX_DISP_BUFS_NEW]; 1282 UWORD32 u4_disp_buf_to_be_freed[MAX_DISP_BUFS_NEW]; 1283 UWORD32 u4_share_disp_buf; 1284 UWORD32 u4_num_disp_bufs; 1285 1286 UWORD32 u4_bs_deblk_thread_created; 1287 volatile UWORD32 u4_start_recon_deblk; 1288 void *pv_bs_deblk_thread_handle; 1289 1290 UWORD32 u4_cur_bs_mb_num; 1291 UWORD32 u4_bs_cur_slice_num_mbs; 1292 UWORD32 u4_cur_deblk_mb_num; 1293 UWORD32 u4_sps_cnt_in_process; 1294 volatile UWORD16 u2_cur_slice_num_bs; 1295 1296 UWORD32 u4_deblk_mb_x; 1297 UWORD32 u4_deblk_mb_y; 1298 1299 1300 1301 iv_yuv_buf_t s_disp_frame_info; 1302 UWORD32 u4_fmt_conv_num_rows; 1303 UWORD32 u4_fmt_conv_cur_row; 1304 ivd_out_bufdesc_t *ps_out_buffer; 1305 ivd_get_display_frame_op_t s_disp_op; 1306 UWORD32 u4_output_present; 1307 1308 volatile UWORD16 cur_dec_mb_num; 1309 volatile UWORD16 cur_recon_mb_num; 1310 volatile UWORD16 u2_cur_mb_addr; 1311 WORD16 i2_dec_thread_mb_y; 1312 WORD16 i2_recon_thread_mb_y; 1313 1314 UWORD8 u1_separate_parse; 1315 UWORD32 u4_dec_thread_created; 1316 void *pv_dec_thread_handle; 1317 1318 #ifdef KEEP_THREADS_ACTIVE 1319 /** 1320 * Condition variable to signal process start - One for each thread 1321 */ 1322 void *apv_proc_start_condition[2]; 1323 1324 /** 1325 * Mutex used to keep the functions thread-safe - One for each thread 1326 */ 1327 void *apv_proc_start_mutex[2]; 1328 1329 /** 1330 * Condition variable to signal process done - One for each thread 1331 */ 1332 void *apv_proc_done_condition[2]; 1333 1334 /** 1335 * Mutex used to keep the functions thread-safe - One for each thread 1336 */ 1337 void *apv_proc_done_mutex[2]; 1338 1339 /** 1340 * Process state start - One for each thread 1341 */ 1342 proc_state_t ai4_process_start[2]; 1343 1344 /** 1345 * Process state end - One for each thread 1346 */ 1347 proc_state_t ai4_process_done[2]; 1348 1349 /** 1350 * Flag to signal processing thread to exit 1351 */ 1352 WORD32 i4_break_threads; 1353 #endif 1354 1355 volatile UWORD8 *pu1_dec_mb_map; 1356 volatile UWORD8 *pu1_recon_mb_map; 1357 volatile UWORD16 *pu2_slice_num_map; 1358 dec_slice_struct_t *ps_dec_slice_buf; 1359 void *pv_map_ref_idx_to_poc_buf; 1360 dec_mb_info_t *ps_frm_mb_info; 1361 volatile dec_slice_struct_t * volatile ps_parse_cur_slice; 1362 volatile dec_slice_struct_t * volatile ps_decode_cur_slice; 1363 volatile dec_slice_struct_t * volatile ps_computebs_cur_slice; 1364 UWORD32 u4_cur_slice_decode_done; 1365 UWORD32 u4_extra_mem_used; 1366 1367 /* 2 first slice not parsed , 1 :first slice parsed , 0 :first valid slice header parsed*/ 1368 UWORD32 u4_first_slice_in_pic; 1369 UWORD32 u4_num_cores; 1370 IVD_ARCH_T e_processor_arch; 1371 IVD_SOC_T e_processor_soc; 1372 1373 /** 1374 * Pictures that are are degraded 1375 * 0 : No degrade 1376 * 1 : Only on non-reference frames 1377 * 2 : Use interval specified by u4_nondegrade_interval 1378 * 3 : All non-key frames 1379 * 4 : All frames 1380 */ 1381 WORD32 i4_degrade_pics; 1382 1383 /** 1384 * Interval for pictures which are completely decoded without any degradation 1385 */ 1386 WORD32 i4_nondegrade_interval; 1387 1388 /** 1389 * bit position (lsb is zero): Type of degradation 1390 * 1 : Disable deblocking 1391 * 2 : Faster inter prediction filters 1392 * 3 : Fastest inter prediction filters 1393 */ 1394 WORD32 i4_degrade_type; 1395 1396 /** Degrade pic count, Used to maintain the interval between non-degraded pics 1397 * 1398 */ 1399 WORD32 i4_degrade_pic_cnt; 1400 WORD32 i4_display_index; 1401 UWORD32 u4_pic_buf_got; 1402 1403 /** 1404 * Col flag and mv pred buffer manager 1405 */ 1406 void *pv_mv_buf_mgr; 1407 1408 /** 1409 * Picture buffer manager 1410 */ 1411 void *pv_pic_buf_mgr; 1412 1413 /** 1414 * Display buffer manager 1415 */ 1416 void *pv_disp_buf_mgr; 1417 1418 void *apv_buf_id_pic_buf_map[MAX_DISP_BUFS_NEW]; 1419 1420 ref_map_t as_buf_id_info_map[MAX_DISP_BUFS_NEW]; 1421 1422 UWORD8 au1_pic_buf_ref_flag[MAX_DISP_BUFS_NEW]; 1423 1424 struct pic_buffer_t *ps_pic_buf_base; 1425 1426 UWORD8 *pu1_ref_buff_base; 1427 col_mv_buf_t *ps_col_mv_base; 1428 void *(*pf_aligned_alloc)(void *pv_mem_ctxt, WORD32 alignment, WORD32 size); 1429 void (*pf_aligned_free)(void *pv_mem_ctxt, void *pv_buf); 1430 void *pv_mem_ctxt; 1431 1432 UWORD8 *pu1_pic_buf_base; 1433 UWORD8 *pu1_mv_bank_buf_base; 1434 UWORD8 *pu1_init_dpb_base; 1435 1436 ih264_default_weighted_pred_ft *pf_default_weighted_pred_luma; 1437 1438 ih264_default_weighted_pred_ft *pf_default_weighted_pred_chroma; 1439 1440 ih264_weighted_pred_ft *pf_weighted_pred_luma; 1441 1442 ih264_weighted_pred_ft *pf_weighted_pred_chroma; 1443 1444 ih264_weighted_bi_pred_ft *pf_weighted_bi_pred_luma; 1445 1446 ih264_weighted_bi_pred_ft *pf_weighted_bi_pred_chroma; 1447 1448 ih264_pad *pf_pad_top; 1449 ih264_pad *pf_pad_bottom; 1450 ih264_pad *pf_pad_left_luma; 1451 ih264_pad *pf_pad_left_chroma; 1452 ih264_pad *pf_pad_right_luma; 1453 ih264_pad *pf_pad_right_chroma; 1454 1455 ih264_inter_pred_chroma_ft *pf_inter_pred_chroma; 1456 1457 ih264_inter_pred_luma_ft *apf_inter_pred_luma[16]; 1458 1459 ih264_intra_pred_luma_ft *apf_intra_pred_luma_16x16[4]; 1460 1461 ih264_intra_pred_luma_ft *apf_intra_pred_luma_8x8[9]; 1462 1463 ih264_intra_pred_luma_ft *apf_intra_pred_luma_4x4[9]; 1464 1465 ih264_intra_pred_ref_filtering_ft *pf_intra_pred_ref_filtering; 1466 1467 ih264_intra_pred_chroma_ft *apf_intra_pred_chroma[4]; 1468 1469 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_4x4; 1470 1471 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_4x4_dc; 1472 1473 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_8x8; 1474 1475 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_8x8_dc; 1476 1477 ih264_iquant_itrans_recon_chroma_ft *pf_iquant_itrans_recon_chroma_4x4; 1478 1479 ih264_iquant_itrans_recon_chroma_ft *pf_iquant_itrans_recon_chroma_4x4_dc; 1480 1481 ih264_ihadamard_scaling_ft *pf_ihadamard_scaling_4x4; 1482 1483 /** 1484 * deblock vertical luma edge with blocking strength 4 1485 */ 1486 ih264_deblk_edge_bs4_ft *pf_deblk_luma_vert_bs4; 1487 1488 /** 1489 * deblock vertical luma edge with blocking strength less than 4 1490 */ 1491 ih264_deblk_edge_bslt4_ft *pf_deblk_luma_vert_bslt4; 1492 1493 /** 1494 * deblock vertical luma edge with blocking strength 4 for mbaff 1495 */ 1496 ih264_deblk_edge_bs4_ft *pf_deblk_luma_vert_bs4_mbaff; 1497 1498 /** 1499 * deblock vertical luma edge with blocking strength less than 4 for mbaff 1500 */ 1501 ih264_deblk_edge_bslt4_ft *pf_deblk_luma_vert_bslt4_mbaff; 1502 1503 /** 1504 * deblock vertical chroma edge with blocking strength 4 1505 */ 1506 ih264_deblk_chroma_edge_bs4_ft *pf_deblk_chroma_vert_bs4; 1507 1508 /** 1509 * deblock vertical chroma edge with blocking strength less than 4 1510 */ 1511 ih264_deblk_chroma_edge_bslt4_ft *pf_deblk_chroma_vert_bslt4; 1512 1513 /** 1514 * deblock vertical chroma edge with blocking strength 4 for mbaff 1515 */ 1516 ih264_deblk_chroma_edge_bs4_ft *pf_deblk_chroma_vert_bs4_mbaff; 1517 1518 /** 1519 * deblock vertical chroma edge with blocking strength less than 4 for mbaff 1520 */ 1521 ih264_deblk_chroma_edge_bslt4_ft *pf_deblk_chroma_vert_bslt4_mbaff; 1522 1523 /** 1524 * deblock horizontal luma edge with blocking strength 4 1525 */ 1526 ih264_deblk_edge_bs4_ft *pf_deblk_luma_horz_bs4; 1527 1528 /** 1529 * deblock horizontal luma edge with blocking strength less than 4 1530 */ 1531 ih264_deblk_edge_bslt4_ft *pf_deblk_luma_horz_bslt4; 1532 1533 /** 1534 * deblock horizontal chroma edge with blocking strength 4 1535 */ 1536 ih264_deblk_chroma_edge_bs4_ft *pf_deblk_chroma_horz_bs4; 1537 1538 /** 1539 * deblock horizontal chroma edge with blocking strength less than 4 1540 */ 1541 ih264_deblk_chroma_edge_bslt4_ft *pf_deblk_chroma_horz_bslt4; 1542 1543 1544 } dec_struct_t; 1545 1546 #endif /* _H264_DEC_STRUCTS_H */ 1547