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 /** Structure for the MV bank */ 127 typedef struct _mv_pred_t 128 { 129 WORD16 i2_mv[4]; /** 0- mvFwdX, 1- mvFwdY, 2- mvBwdX, 3- mvBwdY */ 130 WORD8 i1_ref_frame[2]; 131 132 UWORD8 u1_col_ref_pic_idx; /** Idx into the pic buff array */ 133 UWORD8 u1_pic_type; /** Idx into the pic buff array */ 134 135 } mv_pred_t; 136 137 typedef struct 138 { 139 WORD32 i4_mv_indices[16]; 140 WORD8 i1_submb_num[16]; 141 WORD8 i1_partitionsize[16]; 142 WORD8 i1_num_partitions; 143 WORD8 u1_vert_mv_scale; 144 UWORD8 u1_col_zeroflag_change; 145 } directmv_t; 146 147 typedef struct pic_buffer_t 148 { 149 /**Different components of the picture */ 150 UWORD8 *pu1_buf1; 151 UWORD8 *pu1_buf2; 152 UWORD8 *pu1_buf3; 153 UWORD16 u2_disp_width; /** Width of the display luma frame in pixels */ 154 UWORD16 u2_disp_height; /** Height of the display luma frame in pixels */ 155 UWORD32 u4_time_stamp; /** Time at which frame has to be displayed */ 156 UWORD16 u2_frm_wd_y; /** Width of the luma frame in pixels */ 157 UWORD16 u2_frm_wd_uv; /** Width of the chroma frame */ 158 UWORD16 u2_frm_ht_y; /** Height of the luma frame in pixels */ 159 UWORD16 u2_frm_ht_uv; /** Height of the chroma frame */ 160 /* Upto this is resembling the structure IH264DEC_DispUnit */ 161 162 /* If any member is to be added, add below this */ 163 164 /* u4_ofst from start of picture buffer to display position for Y buffer */ 165 UWORD16 u2_crop_offset_y; 166 167 /* u4_ofst from start of picture buffer to display position for UV buffer */ 168 UWORD16 u2_crop_offset_uv; 169 170 UWORD8 u1_is_short; /** (1: short 0: long) term ref pic */ 171 UWORD8 u1_pic_type; /** frame / field / complementary field pair */ 172 UWORD8 u1_pic_buf_id; /** Idx into the picBufAPI array */ 173 UWORD8 u1_mv_buf_id; 174 WORD32 i4_seq; 175 UWORD8 *pu1_col_zero_flag; 176 mv_pred_t *ps_mv; /** Pointer to the MV bank array */ 177 WORD32 i4_poc; /** POC */ 178 WORD32 i4_pic_num; 179 WORD32 i4_frame_num; 180 WORD32 i4_top_field_order_cnt; /** TopPOC */ 181 WORD32 i4_bottom_field_order_cnt; /** BottomPOC */ 182 WORD32 i4_avg_poc; /** minPOC */ 183 UWORD8 u1_picturetype; /*Same as u1_pic_type..u1_pic_type gets overwritten whereas 184 this doesnot get overwritten ...stores the pictype of 185 frame/complementary field pair/ mbaff */ 186 UWORD8 u1_long_term_frm_idx; 187 UWORD8 u1_long_term_pic_num; 188 UWORD32 u4_pack_slc_typ; /* It will contain information about types of slices */ 189 190 /* ! */ 191 UWORD32 u4_ts; 192 UWORD8 u1_pic_struct;/* Refer to SEI table D-1 */ 193 194 } pic_buffer_t; 195 196 typedef struct 197 { 198 void *u4_add[4]; 199 } neighbouradd_t; 200 201 typedef struct 202 { 203 const UWORD8 *pu1_inv_scan; 204 void *pv_table[6]; 205 } cavlc_cntxt_t; 206 207 /** 208 ************************************************************************ 209 * \file ih264d_structs.h 210 * 211 * \brief 212 * Structures used in the H.264 decoder 213 * 214 * \date 215 * 18/11/2002 216 * 217 * \author Sriram Sethuraman 218 * 219 ************************************************************************ 220 */ 221 222 /** 223 * Structure to represent a MV Bank buffer and col flag 224 */ 225 typedef struct 226 { 227 /** 228 * Pointer to buffer that holds col flag. 229 */ 230 void *pv_col_zero_flag; 231 232 /** 233 * Pointer to buffer that holds mv_pred 234 */ 235 void *pv_mv; 236 237 }col_mv_buf_t; 238 239 240 typedef struct 241 { 242 UWORD8 u1_dydx; /** 4*dy + dx for Y comp / 8*dy + dx for UV comp */ 243 UWORD8 u1_is_bi_direct; /** 1: is bi-direct 0: forward / backward only */ 244 UWORD8 u1_wght_pred_type; /** 0-default 1-singleWeighted 2-BiWeighted */ 245 WORD8 i1_mb_partwidth; /** Width of MB partition */ 246 WORD8 i1_mb_partheight; /** Height of MB partition */ 247 WORD8 i1_mc_wd; /** Number of bytes in a DMA stride */ 248 WORD8 i1_dma_ht; /** Number of strides */ 249 250 WORD8 i1_pod_ht; /** Flag specifying height of pad on demand */ 251 /** 0 (No pod) -ve(Top pod) +ve(Bottom pod) */ 252 UWORD16 u2_dst_stride; /** Stride value of the destination */ 253 UWORD16 u2_u1_ref_buf_wd; /** Width of the ref buffer */ 254 UWORD16 u2_frm_wd; 255 UWORD16 u2_dummy; 256 257 UWORD8 *u1_pi1_wt_ofst_rec_v; /** Pointer to packed weight and u4_ofst */ 258 UWORD8 *pu1_rec_y_u; /** MB partition address in row buffer */ 259 UWORD8 *pu1_dma_dest_addr; /** Destination address for DMA transfer */ 260 UWORD8 *pu1_y_ref; 261 UWORD8 *pu1_u_ref; 262 UWORD8 *pu1_v_ref; 263 264 UWORD8 *pu1_pred; 265 UWORD8 *pu1_pred_u; 266 UWORD8 *pu1_pred_v; 267 UWORD8 u1_dma_wd_y; 268 UWORD8 u1_dma_ht_y; 269 UWORD8 u1_dma_wd_uv; 270 UWORD8 u1_dma_ht_uv; 271 } pred_info_t; 272 273 typedef struct 274 { 275 UWORD32 *pu4_wt_offst; 276 WORD16 i2_mv[2]; 277 278 /***************************************************/ 279 /*packing information i1_size_pos_info */ 280 /* bit 1:0 -> X position in terms of (4x4) units */ 281 /* bit 3:2 -> Y position in terms of (4x4) units */ 282 /* bit 5:4 -> PU width 0:4,1:8,2:16 */ 283 /* bit 7:6 -> PU height 0:4,1:8,2:16 */ 284 /***************************************************/ 285 WORD8 i1_size_pos_info; 286 287 /***************************************************/ 288 /*packing information ref idx info */ 289 /* bit 5:0 ->ref_idx */ 290 /* bit 6:7 -> 0:l0,1:l1,2:bipred */ 291 /***************************************************/ 292 WORD8 i1_ref_idx_info; 293 294 WORD8 i1_buf_id; 295 296 297 UWORD8 u1_pic_type; /** frame /top field/bottom field/mbaff / complementary field pair */ 298 299 }pred_info_pkd_t; 300 /*! Sequence level parameters */ 301 302 typedef struct 303 { 304 UWORD8 u1_seq_parameter_set_id; /** id for the seq par set 0-31 */ 305 UWORD8 u1_is_valid; /** is Seq Param set valid */ 306 307 UWORD16 u2_frm_wd_in_mbs; /** Frame width expressed in MB units */ 308 UWORD16 u2_frm_ht_in_mbs; /** Frame height expressed in MB units */ 309 310 /* Following are derived from the above two */ 311 UWORD16 u2_fld_ht_in_mbs; /** Field height expressed in MB units */ 312 UWORD16 u2_max_mb_addr; /** Total number of macroblocks in a coded picture */ 313 UWORD16 u2_total_num_of_mbs; /** Total number of macroblocks in a coded picture */ 314 UWORD32 u4_fld_ht; /** field height */ 315 UWORD32 u4_cwidth; /** chroma width */ 316 UWORD32 u4_chr_frm_ht; /** chroma height */ 317 UWORD32 u4_chr_fld_ht; /** chroma field height */ 318 UWORD8 u1_mb_aff_flag; /** 0 - no mb_aff; 1 - uses mb_aff */ 319 320 UWORD8 u1_profile_idc; /** profile value */ 321 UWORD8 u1_level_idc; /** level value */ 322 323 /* high profile related syntax elements */ 324 WORD32 i4_chroma_format_idc; 325 WORD32 i4_bit_depth_luma_minus8; 326 WORD32 i4_bit_depth_chroma_minus8; 327 WORD32 i4_qpprime_y_zero_transform_bypass_flag; 328 WORD32 i4_seq_scaling_matrix_present_flag; 329 UWORD8 u1_seq_scaling_list_present_flag[8]; 330 UWORD8 u1_use_default_scaling_matrix_flag[8]; 331 WORD16 i2_scalinglist4x4[6][16]; 332 WORD16 i2_scalinglist8x8[2][64]; 333 UWORD8 u1_more_than_one_slice_group_allowed_flag; 334 UWORD8 u1_arbitrary_slice_order_allowed_flag; 335 UWORD8 u1_redundant_slices_allowed_flag; 336 UWORD8 u1_bits_in_frm_num; /** Number of bits in frame num */ 337 UWORD16 u2_u4_max_pic_num_minus1; /** Maximum frame num minus 1 */ 338 UWORD8 u1_pic_order_cnt_type; /** 0 - 2 indicates the method to code picture order count */ 339 UWORD8 u1_log2_max_pic_order_cnt_lsb_minus; 340 WORD32 i4_max_pic_order_cntLsb; 341 UWORD8 u1_num_ref_frames_in_pic_order_cnt_cycle; 342 UWORD8 u1_delta_pic_order_always_zero_flag; 343 WORD32 i4_ofst_for_non_ref_pic; 344 WORD32 i4_ofst_for_top_to_bottom_field; 345 WORD32 i4_ofst_for_ref_frame[MAX_NUM_REF_FRAMES_OFFSET]; 346 UWORD8 u1_num_ref_frames; 347 UWORD8 u1_gaps_in_frame_num_value_allowed_flag; 348 UWORD8 u1_frame_mbs_only_flag; /** 1 - frame only; 0 - field/frame pic */ 349 UWORD8 u1_direct_8x8_inference_flag; 350 UWORD8 u1_vui_parameters_present_flag; 351 vui_t s_vui; 352 } dec_seq_params_t; 353 354 typedef struct 355 { 356 UWORD16 u2_frm_wd_in_mbs; /** Frame width expressed in MB units */ 357 UWORD16 u2_frm_ht_in_mbs; /** Frame height expressed in MB units */ 358 UWORD8 u1_frame_mbs_only_flag; /** 1 - frame only; 0 - field/frame pic */ 359 UWORD8 u1_profile_idc; /** profile value */ 360 UWORD8 u1_level_idc; /** level value */ 361 UWORD8 u1_direct_8x8_inference_flag; 362 UWORD8 u1_eoseq_pending; 363 } prev_seq_params_t; 364 365 /** Picture level parameters */ 366 typedef struct 367 { 368 dec_seq_params_t *ps_sps; /** applicable seq. parameter set */ 369 370 /* High profile related syntax elements */ 371 WORD32 i4_transform_8x8_mode_flag; 372 WORD32 i4_pic_scaling_matrix_present_flag; 373 UWORD8 u1_pic_scaling_list_present_flag[8]; 374 UWORD8 u1_pic_use_default_scaling_matrix_flag[8]; 375 WORD16 i2_pic_scalinglist4x4[6][16]; 376 WORD16 i2_pic_scalinglist8x8[2][64]; 377 WORD8 i1_second_chroma_qp_index_offset; 378 379 UWORD32 u4_slice_group_change_rate; 380 UWORD8 *pu1_slice_groupmb_map; /** MB map with slice membership labels */ 381 UWORD8 u1_pic_parameter_set_id; /** id for the picture par set 0-255*/ 382 UWORD8 u1_entropy_coding_mode; /** Entropy coding : 0-VLC; 1 - CABAC */ 383 UWORD8 u1_num_slice_groups; /** Number of slice groups */ 384 UWORD8 u1_pic_init_qp; /** Initial QPY for the picture {-26,25}*/ 385 WORD8 i1_chroma_qp_index_offset; /** Chroma QP u4_ofst w.r.t QPY {-12,12} */ 386 UWORD8 u1_dblk_filter_parms_flag; /** Slice layer has deblocking filter parameters */ 387 UWORD8 u1_constrained_intra_pred_flag; /** Constrained intra prediction u4_flag */ 388 UWORD8 u1_redundant_pic_cnt_present_flag; /** Redundant_pic_cnt is in slices using this PPS */ 389 UWORD8 u1_pic_order_present_flag; /** Pic order present u4_flag */ 390 UWORD8 u1_num_ref_idx_lx_active[2]; /** Maximum reference picture index in the reference list 0 : range [1 - 15] */ 391 UWORD8 u1_wted_pred_flag; 392 UWORD8 u1_wted_bipred_idc; 393 UWORD8 u1_pic_init_qs; 394 UWORD8 u1_deblocking_filter_parameters_present_flag; 395 UWORD8 u1_vui_pic_parameters_flag; 396 UWORD8 u1_mb_slice_group_map_type; 397 UWORD8 u1_slice_group_change_direction_flag; 398 UWORD8 u1_frame_cropping_flag; 399 UWORD8 u1_frame_cropping_rect_left_ofst; 400 UWORD8 u1_frame_cropping_rect_right_ofst; 401 UWORD8 u1_frame_cropping_rect_top_ofst; 402 UWORD8 u1_frame_cropping_rect_bottom_ofst; 403 void * pv_codec_handle; /* For Error Handling */ 404 WORD32 i4_top_field_order_cnt; 405 WORD32 i4_bottom_field_order_cnt; 406 WORD32 i4_avg_poc; 407 UWORD8 u1_is_valid; /** is Pic Param set valid */ 408 } dec_pic_params_t; 409 410 /** Picture Order Count Paramsters */ 411 typedef struct 412 { 413 WORD32 i4_pic_order_cnt_lsb; 414 WORD32 i4_pic_order_cnt_msb; 415 WORD32 i4_delta_pic_order_cnt_bottom; 416 WORD32 i4_delta_pic_order_cnt[2]; 417 WORD32 i4_prev_frame_num_ofst; 418 UWORD8 u1_mmco_equalto5; 419 UWORD8 u1_bot_field; 420 UWORD16 u2_frame_num; 421 WORD32 i4_top_field_order_count; 422 WORD32 i4_bottom_field_order_count; 423 } pocstruct_t; 424 425 /*****************************************************************************/ 426 /* parse_mb_pers_info contains necessary mb info data required persistently */ 427 /* in the form of top and left neighbours. */ 428 /*****************************************************************************/ 429 typedef struct 430 { 431 void *u4_pic_addrress[4]; /* picture address for BS calc */ 432 WORD8 pi1_intrapredmodes[4]; /* calc Intra pred modes */ 433 UWORD8 pu1_nnz_y[4]; 434 UWORD8 pu1_nnz_uv[4]; 435 UWORD8 u1_mb_fld; 436 UWORD8 u1_mb_type; 437 UWORD16 u2_luma_csbp; /* Luma csbp used for BS calc */ 438 UWORD8 u1_tran_form8x8; 439 } mb_neigbour_params_t; 440 441 /* This info is required for decoding purposes except Deblockng */ 442 typedef struct _DecMbInfo 443 { 444 UWORD8 u1_mb_type; /** macroblock type: I/P/B/SI/SP */ 445 UWORD8 u1_chroma_pred_mode; 446 UWORD8 u1_cbp; 447 UWORD8 u1_mb_mc_mode; /** 16x16, 2 16x8, 2 8x16, 4 8x8 */ 448 UWORD8 u1_topmb; /** top Mb u4_flag */ 449 UWORD8 u1_mb_ngbr_availablity; 450 UWORD8 u1_end_of_slice; 451 UWORD8 u1_mb_field_decodingflag; 452 UWORD8 u1_topleft_mb_fld; 453 UWORD8 u1_topleft_mbtype; 454 WORD8 i1_offset; 455 UWORD8 u1_Mux; 456 UWORD8 u1_qp_div6; 457 UWORD8 u1_qp_rem6; 458 UWORD8 u1_qpc_div6; 459 UWORD8 u1_qpcr_div6; 460 UWORD8 u1_qpc_rem6; 461 UWORD8 u1_qpcr_rem6; 462 UWORD8 u1_tran_form8x8; 463 UWORD8 u1_num_pred_parts; 464 UWORD8 u1_yuv_dc_block_flag; 465 UWORD16 u2_top_right_avail_mask; 466 UWORD16 u2_top_left_avail_mask; 467 UWORD16 u2_luma_csbp; /** Coded 4x4 Sub Block Pattern */ 468 UWORD16 u2_chroma_csbp; /** Coded 4x4 Sub Block Pattern */ 469 UWORD16 u2_mbx; 470 UWORD16 u2_mby; 471 UWORD16 u2_mask[2]; 472 473 UWORD32 u4_pred_info_pkd_idx; 474 475 mb_neigbour_params_t *ps_left_mb; 476 mb_neigbour_params_t *ps_top_mb; 477 mb_neigbour_params_t *ps_top_right_mb; 478 mb_neigbour_params_t *ps_curmb; 479 } dec_mb_info_t; 480 481 482 /** Slice level parameters */ 483 typedef struct 484 { 485 dec_pic_params_t *ps_pps; /** PPS used */ 486 WORD32 i4_delta_pic_order_cnt[2]; 487 WORD32 i4_poc; /** Pic order cnt of picture to which slice belongs*/ 488 UWORD32 u4_idr_pic_id; /** IDR pic ID */ 489 UWORD16 u2_first_mb_in_slice; /** Address of first MB in slice*/ 490 UWORD16 u2_frame_num; /** Frame number from prev IDR pic */ 491 492 UWORD8 u1_mbaff_frame_flag; /** Mb adaptive frame field u4_flag */ 493 UWORD8 u1_field_pic_flag; /** Field picture or not */ 494 UWORD8 u1_bottom_field_flag; /** If slice belongs to bot field pic */ 495 UWORD8 u1_slice_type; /** I/P/B/SI/SP */ 496 WORD32 i4_pic_order_cnt_lsb; /** Picture Order Count */ 497 UWORD8 u1_slice_qp; /** Add slice_qp_delta to pic_init_QP */ 498 UWORD8 u1_disable_dblk_filter_idc; /** 0-dblk all edges; 1 - suppress; 2 - suppress only edges */ 499 WORD8 i1_slice_alpha_c0_offset; /** dblk: alpha and C0 table u4_ofst {-12,12}*/ 500 WORD8 i1_slice_beta_offset; /** dblk: beta table u4_ofst {-12, 12}*/ 501 UWORD8 u1_sp_for_switch_flag; 502 UWORD8 u1_no_output_of_prior_pics_flag; 503 UWORD8 u1_long_term_reference_flag; 504 UWORD8 u1_num_ref_idx_lx_active[2]; 505 UWORD8 u1_cabac_init_idc; /** cabac_init_idc */ 506 UWORD8 u1_num_ref_idx_active_override_flag; 507 UWORD8 u1_direct_spatial_mv_pred_flag; 508 WORD32 (*pf_decodeDirect)(struct _DecStruct *ps_dec, 509 UWORD8 u1_wd_x, 510 dec_mb_info_t *ps_cur_mb_info, 511 UWORD8 u1_mb_num); 512 UWORD8 u1_redundant_pic_cnt; 513 WORD8 i1_slice_qs_delta; 514 UWORD8 u1_nal_ref_idc; /** NAL ref idc of the Slice NAL unit */ 515 UWORD8 u1_nal_unit_type; /** NAL unit type of the Slice NAL */ 516 UWORD8 u1_direct_8x8_inference_flag; 517 UWORD8 u1_mmco_equalto5; /** any of the MMCO command equal to 5 */ 518 UWORD8 u1_pic_order_cnt_type; 519 pocstruct_t s_POC; 520 /* DataStructures required for weighted prediction */ 521 UWORD16 u2_log2Y_crwd; /** Packed luma and chroma log2_weight_denom */ 522 /* [list0/list1]:[ref pics index]:[0-Y 1-Cb 2-Cr] [weight/u4_ofst], 523 weights and offsets are signed numbers, since they are packed, it is defined 524 unsigned. LSB byte : weight and MSB byte: u4_ofst */ 525 UWORD32 u4_wt_ofst_lx[2][MAX_REF_BUFS][3]; 526 void * pv_codec_handle; /* For Error Handling */ 527 528 /* This is used when reordering is done in Forward or */ 529 /* backward lists. This is because reordering can point */ 530 /* to any valid entry in initial list irrespective of */ 531 /* num_ref_idx_active which could be overwritten using */ 532 /* ref_idx_reorder_flag */ 533 UWORD8 u1_initial_list_size[2]; 534 UWORD32 u4_mbs_in_slice; 535 } dec_slice_params_t; 536 537 538 typedef struct 539 { 540 UWORD8 u1_mb_type; /* Bit representations, X- reserved */ 541 /** |Field/Frame|X|X|X|X|Bslice u4_flag|PRED_NON_16x16 u4_flag |Intra Mbflag| */ 542 UWORD8 u1_mb_qp; 543 UWORD8 u1_deblocking_mode; /** dblk: Mode [ NO / NO TOP / NO LEFT] filter */ 544 WORD8 i1_slice_alpha_c0_offset; /** dblk: alpha and C0 table u4_ofst {-12,12}*/ 545 WORD8 i1_slice_beta_offset; /** dblk: beta table u4_ofst {-12, 12}*/ 546 UWORD8 u1_single_call; 547 UWORD8 u1_topmb_qp; 548 UWORD8 u1_left_mb_qp; 549 UWORD32 u4_bs_table[10]; /* Boundary strength */ 550 551 } deblk_mb_t; 552 553 typedef struct 554 { 555 UWORD8 u1_mb_type; 556 UWORD8 u1_mb_qp; 557 } deblkmb_neighbour_t; 558 559 #define MAX_MV_RESIDUAL_INFO_PER_MB 32 560 #define MAX_REFIDX_INFO_PER_MB 4 561 #define PART_NOT_DIRECT 0 562 #define PART_DIRECT_8x8 1 563 #define PART_DIRECT_16x16 2 564 typedef struct 565 { 566 UWORD8 u1_is_direct; 567 UWORD8 u1_pred_mode; 568 UWORD8 u1_sub_mb_num; 569 UWORD8 u1_partheight; 570 UWORD8 u1_partwidth; 571 } parse_part_params_t; 572 573 typedef struct 574 { 575 UWORD8 u1_isI_mb; 576 UWORD8 u1_num_part; 577 UWORD32 *pu4_wt_offst[MAX_REFIDX_INFO_PER_MB]; 578 WORD8 i1_ref_idx[2][MAX_REFIDX_INFO_PER_MB]; 579 UWORD8 u1_col_info[MAX_REFIDX_INFO_PER_MB]; 580 } parse_pmbarams_t; 581 582 typedef struct 583 { 584 UWORD8 u1_vert_pad_top; /* flip-flop u4_flag remembering pad area (Vert) */ 585 UWORD8 u1_vert_pad_bot; /* flip-flop u4_flag remembering pad area (Vert) */ 586 UWORD8 u1_horz_pad; /* flip-flop u4_flag remembering pad area (Vert) */ 587 UWORD8 u1_pad_len_y_v; /* vertical pad amount for luma */ 588 UWORD8 u1_pad_len_cr_v; /* vertical pad amount for chroma */ 589 } pad_mgr_t; 590 591 592 #define ACCEPT_ALL_PICS (0x00) 593 #define REJECT_CUR_PIC (0x01) 594 #define REJECT_PB_PICS (0x02) 595 596 #define MASK_REJECT_CUR_PIC (0xFE) 597 #define MASK_REJECT_PB_PICS (0xFD) 598 599 #define PIC_TYPE_UNKNOWN (0xFF) 600 #define PIC_TYPE_I (0x00) 601 #define SYNC_FRM_DEFAULT (0xFFFFFFFF) 602 #define INIT_FRAME (0xFFFFFF) 603 604 typedef struct dec_err_status_t 605 { 606 UWORD8 u1_cur_pic_type; 607 UWORD8 u1_pic_aud_i; 608 UWORD8 u1_err_flag; 609 UWORD32 u4_frm_sei_sync; 610 UWORD32 u4_cur_frm; 611 } dec_err_status_t; 612 613 /**************************************************************************/ 614 /* Structure holds information about all high profile toolsets */ 615 /**************************************************************************/ 616 typedef struct 617 { 618 /*****************************************/ 619 /* variables required for scaling */ 620 /*****************************************/ 621 UWORD8 u1_scaling_present; 622 WORD16 *pi2_scale_mat[8]; 623 624 /*************************************************/ 625 /* scaling matrices for frame macroblocks after */ 626 /* inverse scanning */ 627 /*************************************************/ 628 WORD16 i2_scalinglist4x4[6][16]; 629 WORD16 i2_scalinglist8x8[2][64]; 630 631 632 /*****************************************/ 633 /* variables required for transform8x8 */ 634 /*****************************************/ 635 UWORD8 u1_transform8x8_present; 636 UWORD8 u1_direct_8x8_inference_flag; 637 /* temporary variable to get noSubMbPartSizeLessThan8x8Flag from ih264d_parse_bmb_non_direct_cavlc */ 638 UWORD8 u1_no_submb_part_size_lt8x8_flag; 639 640 /* needed for inverse scanning */ 641 cavlc_cntxt_t s_cavlc_ctxt; 642 643 /* contexts for the CABAC related parsing */ 644 bin_ctxt_model_t *ps_transform8x8_flag; 645 bin_ctxt_model_t *ps_sigcoeff_8x8_frame; 646 bin_ctxt_model_t *ps_last_sigcoeff_8x8_frame; 647 bin_ctxt_model_t *ps_coeff_abs_levelminus1; 648 bin_ctxt_model_t *ps_sigcoeff_8x8_field; 649 bin_ctxt_model_t *ps_last_sigcoeff_8x8_field; 650 651 /* variables required for intra8x8 */ 652 653 /* variables required for handling different Qp for Cb and Cr */ 654 655 } high_profile_tools_t; 656 657 typedef struct 658 { 659 UWORD32 u4_num_bufs; /* Number of buffers in each display frame. 2 for 420SP and 3 for 420P and so on */ 660 void *buf[3]; /* Pointers to each of the components */ 661 UWORD32 u4_bufsize[3]; 662 UWORD32 u4_ofst[3]; 663 } disp_buf_t; 664 typedef struct _dec_slice_struct 665 { 666 volatile UWORD32 u4_first_mb_in_slice; 667 volatile UWORD32 slice_type; 668 volatile UWORD16 u2_log2Y_crwd; 669 volatile void **ppv_map_ref_idx_to_poc; 670 volatile void *pv_tu_coeff_data_start; 671 } dec_slice_struct_t; 672 673 /** 674 * Structure to hold coefficient info for a 4x4 transform 675 */ 676 typedef struct 677 { 678 /** 679 * significant coefficient map 680 */ 681 UWORD16 u2_sig_coeff_map; 682 683 /** 684 * holds coefficients 685 */ 686 WORD16 ai2_level[16]; 687 }tu_sblk4x4_coeff_data_t; 688 689 /** 690 * Structure to hold coefficient info for a 8x8 transform 691 */ 692 typedef struct 693 { 694 695 /** 696 * significant coefficient map 697 */ 698 UWORD32 au4_sig_coeff_map[2]; 699 700 /** 701 * holds coefficients 702 */ 703 WORD16 ai2_level[64]; 704 }tu_blk8x8_coeff_data_t; 705 706 /** Aggregating structure that is globally available */ 707 typedef struct _DecStruct 708 { 709 710 /* Add below all other static memory allocations and pointers to items 711 that are dynamically allocated once per session */ 712 dec_bit_stream_t *ps_bitstrm; 713 dec_seq_params_t *ps_cur_sps; 714 dec_pic_params_t *ps_cur_pps; 715 dec_slice_params_t *ps_cur_slice; 716 717 dec_pic_params_t *ps_pps; 718 dec_seq_params_t *ps_sps; 719 const UWORD16 *pu2_quant_scale_y; 720 const UWORD16 *pu2_quant_scale_u; 721 const UWORD16 *pu2_quant_scale_v; 722 UWORD16 u2_mbx; 723 UWORD16 u2_mby; 724 725 UWORD16 u2_frm_wd_y; /** Width for luma buff */ 726 UWORD16 u2_frm_ht_y; /** Height for luma buff */ 727 UWORD16 u2_frm_wd_uv; /** Width for chroma buff */ 728 UWORD16 u2_frm_ht_uv; /** Height for chroma buff */ 729 UWORD16 u2_frm_wd_in_mbs; /** Frame width expressed in MB units */ 730 UWORD16 u2_frm_ht_in_mbs; /** Frame height expressed in MB units */ 731 WORD32 i4_submb_ofst; /** Offset in subMbs from the top left edge */ 732 /* Pointer to colocated Zero frame Image, will be used in B_DIRECT mode */ 733 /* colZeroFlag | // 0th bit 734 field_flag | // 1st bit 735 XX | // 2:3 bit don't cares 736 subMbMode | // 4:5 bit 737 MbMode | // 6:7 bit */ 738 739 UWORD8 *pu1_col_zero_flag; 740 741 UWORD16 u2_pic_wd; /** Width of the picture being decoded */ 742 UWORD16 u2_pic_ht; /** Height of the picture being decoded */ 743 744 UWORD8 u1_first_slice_in_stream; 745 UWORD8 u1_mb_ngbr_availablity; 746 UWORD8 u1_ref_idxl0_active_minus1; 747 UWORD8 u1_qp; 748 UWORD8 u1_qp_y_div6; 749 UWORD8 u1_qp_u_div6; 750 UWORD8 u1_qp_y_rem6; 751 UWORD8 u1_qp_u_rem6; 752 753 /*********************************/ 754 /* configurable mb-group numbers */ 755 /* very critical to the decoder */ 756 /*********************************/ 757 /************************************************************/ 758 /* MB_GROUP should be a multiple of 2 */ 759 /************************************************************/ 760 UWORD8 u1_recon_mb_grp; 761 UWORD8 u1_recon_mb_grp_pair; 762 /* Variables to handle Cabac */ 763 decoding_envirnoment_t s_cab_dec_env; /* < Structure for decoding_envirnoment_t */ 764 /* These things need to be updated at each MbLevel */ 765 WORD8 i1_next_ctxt_idx; /* < next Ctxt Index */ 766 UWORD8 u1_currB_type; 767 WORD8 i1_prev_mb_qp_delta; /* Prev MbQpDelta */ 768 UWORD8 u1_nal_unit_type; 769 770 ctxt_inc_mb_info_t *p_ctxt_inc_mb_map; /* Pointer to ctxt_inc_mb_info_t map */ 771 ctxt_inc_mb_info_t *p_left_ctxt_mb_info; /* Pointer to left ctxt_inc_mb_info_t */ 772 ctxt_inc_mb_info_t *p_top_ctxt_mb_info; /* Pointer to top ctxt_inc_mb_info_t */ 773 ctxt_inc_mb_info_t *ps_curr_ctxt_mb_info; /* Pointer to current ctxt_inc_mb_info_t */ 774 ctxt_inc_mb_info_t *ps_def_ctxt_mb_info; /* Pointer to default ctxt_inc_mb_info_t */ 775 776 /* mv contexts for mv decoding using cabac */ 777 //UWORD8 u1_top_mv_ctxt_inc[4][4]; 778 /* Dimensions for u1_left_mv_ctxt_inc_arr is [2][4][4] for Mbaff case */ 779 UWORD8 u1_left_mv_ctxt_inc_arr[2][4][4]; 780 UWORD8 (*pu1_left_mv_ctxt_inc)[4]; 781 782 UWORD8 u1_sub_mb_num; 783 UWORD8 u1_B; /** if B slice u1_B = 1 else 0 */ 784 WORD16 i2_only_backwarddma_info_idx; 785 mv_pred_t *ps_mv; /** Pointer to the MV bank array */ 786 mv_pred_t *ps_mv_bank_cur; /** Pointer to the MV bank array */ 787 mv_pred_t s_default_mv_pred; /** Structure containing the default values 788 for MV predictor */ 789 790 pred_info_t *ps_pred; /** Stores info to cfg MC */ 791 pred_info_t *ps_pred_start; 792 793 UWORD32 u4_pred_info_idx; 794 pred_info_pkd_t *ps_pred_pkd; 795 pred_info_pkd_t *ps_pred_pkd_start; 796 UWORD32 u4_pred_info_pkd_idx; 797 UWORD8 *pu1_ref_buff; /** Destination buffer for DMAs */ 798 UWORD32 u4_dma_buf_idx; 799 800 UWORD8 *pu1_y; 801 UWORD8 *pu1_u; 802 UWORD8 *pu1_v; 803 804 WORD16 *pi2_y_coeff; 805 UWORD8 *pu1_inv_scan; 806 807 /** 808 * Pointer frame level TU subblock coeff data 809 */ 810 void *pv_pic_tu_coeff_data; 811 812 /** 813 * Pointer to TU subblock coeff data and number of subblocks and scan idx 814 * Incremented each time a coded subblock is processed 815 * 816 */ 817 void *pv_parse_tu_coeff_data; 818 void *pv_prev_mb_parse_tu_coeff_data; 819 820 void *pv_proc_tu_coeff_data; 821 822 WORD16 *pi2_coeff_data; 823 824 cavlc_cntxt_t s_cavlc_ctxt; 825 826 UWORD32 u4_n_leftY[2]; 827 UWORD32 u4_n_left_cr[2]; 828 UWORD32 u4_n_left_temp_y; 829 830 UWORD8 pu1_left_nnz_y[4]; 831 UWORD8 pu1_left_nnz_uv[4]; 832 UWORD32 u4_n_left_temp_uv; 833 /***************************************************************************/ 834 /* Base pointer to all the cabac contexts */ 835 /***************************************************************************/ 836 bin_ctxt_model_t *p_cabac_ctxt_table_t; 837 838 /***************************************************************************/ 839 /* cabac context pointers for every SE mapped into in p_cabac_ctxt_table_t */ 840 /***************************************************************************/ 841 bin_ctxt_model_t *p_mb_type_t; 842 bin_ctxt_model_t *p_mb_skip_flag_t; 843 bin_ctxt_model_t *p_sub_mb_type_t; 844 bin_ctxt_model_t *p_mvd_x_t; 845 bin_ctxt_model_t *p_mvd_y_t; 846 bin_ctxt_model_t *p_ref_idx_t; 847 bin_ctxt_model_t *p_mb_qp_delta_t; 848 bin_ctxt_model_t *p_intra_chroma_pred_mode_t; 849 bin_ctxt_model_t *p_prev_intra4x4_pred_mode_flag_t; 850 bin_ctxt_model_t *p_rem_intra4x4_pred_mode_t; 851 bin_ctxt_model_t *p_mb_field_dec_flag_t; 852 bin_ctxt_model_t *p_cbp_luma_t; 853 bin_ctxt_model_t *p_cbp_chroma_t; 854 bin_ctxt_model_t *p_cbf_t[NUM_CTX_CAT]; 855 bin_ctxt_model_t *p_significant_coeff_flag_t[NUM_CTX_CAT]; 856 bin_ctxt_model_t *p_coeff_abs_level_minus1_t[NUM_CTX_CAT]; 857 858 UWORD32 u4_num_pmbair; /** MB pair number */ 859 mv_pred_t *ps_mv_left; /** Pointer to left motion vector bank */ 860 mv_pred_t *ps_mv_top_left; /** Pointer to top left motion vector bank */ 861 mv_pred_t *ps_mv_top_right; /** Pointer to top right motion vector bank */ 862 863 UWORD8 *pu1_left_yuv_dc_csbp; 864 865 866 deblkmb_neighbour_t deblk_left_mb[2]; 867 deblkmb_neighbour_t *ps_deblk_top_mb; 868 neighbouradd_t (*ps_left_mvpred_addr)[2]; /* Left MvPred Address Ping Pong*/ 869 870 /***************************************************************************/ 871 /* Ref_idx contexts are stored in the following way */ 872 /* Array Idx 0,1 for reference indices in Forward direction */ 873 /* Array Idx 2,3 for reference indices in backward direction */ 874 /***************************************************************************/ 875 876 /* Dimensions for u1_left_ref_ctxt_inc_arr is [2][4] for Mbaff:Top and Bot */ 877 WORD8 i1_left_ref_idx_ctx_inc_arr[2][4]; 878 WORD8 *pi1_left_ref_idx_ctxt_inc; 879 880 /*************************************************************************/ 881 /* Arrangnment of DC CSBP */ 882 /* bits: b7 b6 b5 b4 b3 b2 b1 b0 */ 883 /* CSBP: x x x x x Vdc Udc Ydc */ 884 /*************************************************************************/ 885 /*************************************************************************/ 886 /* Points either to u1_yuv_dc_csbp_topmb or u1_yuv_dc_csbp_bot_mb */ 887 /*************************************************************************/ 888 UWORD8 u1_yuv_dc_csbp_topmb; 889 UWORD8 u1_yuv_dc_csbp_bot_mb; 890 891 /* DMA SETUP */ 892 tfr_ctxt_t s_tran_addrecon_parse; 893 tfr_ctxt_t s_tran_addrecon; 894 tfr_ctxt_t s_tran_iprecon; 895 tfr_ctxt_t *ps_frame_buf_ip_recon; 896 WORD8 i1_recon_in_thread3_flag; 897 898 /* slice Header Simplification */ 899 UWORD8 u1_pr_sl_type; 900 WORD32 i4_frametype; 901 UWORD32 u4_app_disp_width; 902 WORD32 i4_error_code; 903 UWORD32 u4_bitoffset; 904 905 /* Variables added to handle field pics */ 906 907 UWORD8 u1_second_field; 908 WORD32 i4_pic_type; 909 WORD32 i4_content_type; 910 WORD32 i4_decode_header; 911 WORD32 i4_header_decoded; 912 UWORD32 u4_total_frames_decoded; 913 914 ctxt_inc_mb_info_t *ps_left_mb_ctxt_info; /* structure containing the left MB's 915 context info, incase of Mbaff */ 916 pocstruct_t s_prev_pic_poc; 917 pocstruct_t s_cur_pic_poc; 918 WORD32 i4_cur_display_seq; 919 WORD32 i4_prev_max_display_seq; 920 WORD32 i4_max_poc; 921 deblk_mb_t *ps_cur_deblk_mb; 922 923 /* Pointers to local scratch buffers */ 924 deblk_mb_t *ps_deblk_pic; 925 926 /* Pointers to Picture Buffers (Given by BufAPI Lib) */ 927 struct pic_buffer_t *ps_cur_pic; /** Pointer to Current picture buffer */ 928 929 /* Scratch Picture Buffers (Given by BufAPI Lib) */ 930 struct pic_buffer_t s_cur_pic; 931 932 /* Current Slice related information */ 933 volatile UWORD16 u2_cur_slice_num; 934 volatile UWORD16 u2_cur_slice_num_dec_thread; 935 936 /* Variables needed for Buffer API handling */ 937 UWORD8 u1_nal_buf_id; 938 UWORD8 u1_pic_buf_id; 939 UWORD8 u1_pic_bufs; 940 941 WORD16 *pi2_pred1; //[441]; /** Temp predictor buffer for MC */ 942 /* Pointer to refernce Pic buffers list, 0:fwd, 1:bwd */ 943 pic_buffer_t **ps_ref_pic_buf_lx[2]; 944 /* refIdx to POC mapping */ 945 void **ppv_map_ref_idx_to_poc; 946 void **ppv_map_ref_idx_to_poc_base; 947 UWORD32 *pu4_wts_ofsts_mat; 948 UWORD32 *pu4_wt_ofsts; 949 UWORD32 *pu4_mbaff_wt_mat; 950 /* Function pointers to read Params common to CAVLC and CABAC */ 951 WORD32 (*pf_parse_inter_mb)(struct _DecStruct * ps_dec, 952 dec_mb_info_t * ps_cur_mb_info, 953 UWORD8 u1_mb_num, 954 UWORD8 u1_num_mbsNby2); 955 WORD32 (*pf_mvpred_ref_tfr_nby2mb)(struct _DecStruct * ps_dec, 956 UWORD8 u1_num_mbs, 957 UWORD8 u1_num_mbsNby2); 958 959 WORD32 (*pf_parse_inter_slice)(struct _DecStruct * ps_dec, 960 dec_slice_params_t * ps_slice, 961 UWORD16 u2_first_mb_in_slice); 962 963 UWORD32 (*pf_get_mb_info)(struct _DecStruct * ps_dec, 964 const UWORD16 u2_cur_mb_address, 965 dec_mb_info_t * ps_cur_mb_info, 966 UWORD32 u4_mbskip_run); 967 968 /* Variables for Decode Buffer Management */ 969 dpb_manager_t *ps_dpb_mgr; 970 dpb_commands_t *ps_dpb_cmds; 971 dpb_commands_t s_dpb_cmds_scratch; 972 973 /* Variables Required for N MB design */ 974 dec_mb_info_t *ps_nmb_info; 975 976 UWORD8 *pu1_y_intra_pred_line; 977 UWORD8 *pu1_u_intra_pred_line; 978 UWORD8 *pu1_v_intra_pred_line; 979 980 UWORD8 *pu1_cur_y_intra_pred_line; 981 UWORD8 *pu1_cur_u_intra_pred_line; 982 UWORD8 *pu1_cur_v_intra_pred_line; 983 984 UWORD8 *pu1_cur_y_intra_pred_line_base; 985 UWORD8 *pu1_cur_u_intra_pred_line_base; 986 UWORD8 *pu1_cur_v_intra_pred_line_base; 987 988 UWORD8 *pu1_prev_y_intra_pred_line; 989 UWORD8 *pu1_prev_u_intra_pred_line; 990 UWORD8 *pu1_prev_v_intra_pred_line; 991 992 UWORD32 u4_intra_pred_line_ofst; 993 994 UWORD8 u1_res_changed; 995 996 mv_pred_t *ps_mv_cur; /** pointer to current motion vector bank */ 997 mv_pred_t *ps_mv_top; /** pointer to top motion vector bank */ 998 mv_pred_t *ps_mv_top_right2;/** Pointer to top right motion vector bank */ 999 mv_pred_t *ps_mv_p[2]; /** Scratch ping motion vector bank */ 1000 mv_pred_t *ps_mv_top_p[MV_SCRATCH_BUFS]; /** Scratch top pong motion vector bank */ 1001 UWORD8 u1_mv_top_p; 1002 1003 deblk_mb_t *ps_deblk_mbn; 1004 1005 UWORD8 *pu1_temp_mc_buffer; 1006 1007 struct _sei *ps_sei; 1008 UWORD8 u1_pic_struct_copy; 1009 /* Variables required for cropping */ 1010 UWORD16 u2_disp_width; 1011 UWORD16 u2_disp_height; 1012 UWORD16 u2_crop_offset_y; 1013 UWORD16 u2_crop_offset_uv; 1014 1015 /* Variable required to get presentation time stamp through application */ 1016 UWORD32 u4_pts; 1017 1018 /* Variables used for gaps in frame number */ 1019 UWORD16 u2_prev_ref_frame_num; 1020 1021 UWORD8 u1_mb_idx; 1022 struct pic_buffer_t *ps_col_pic; 1023 void (*pf_parse_mvdirect)(struct _DecStruct*, 1024 struct pic_buffer_t*, 1025 directmv_t*, 1026 UWORD8, 1027 WORD32, 1028 dec_mb_info_t *); 1029 void *pv_dec_out; 1030 void *pv_dec_in; 1031 void *pv_scratch_sps_pps; /*used temeporarily store sps/ spps while parsing*/ 1032 1033 /* state pointers to mb and partition information */ 1034 parse_pmbarams_t *ps_parse_mb_data; 1035 parse_part_params_t *ps_parse_part_params; 1036 1037 /* scratch pointers to mb and partition information */ 1038 parse_part_params_t *ps_part; 1039 1040 UWORD8 u1_max_dec_frame_buffering; 1041 pad_mgr_t s_pad_mgr; 1042 UWORD8 (*pf_mvpred)(struct _DecStruct *ps_dec, 1043 struct _DecMbInfo *ps_cur_mb_info, 1044 mv_pred_t *ps_mv_pred, 1045 mv_pred_t *ps_mv_nmb, 1046 mv_pred_t *ps_mv_ntop, 1047 UWORD8 u1_sub_mb_num, 1048 UWORD8 uc_mb_part_width, 1049 UWORD8 uc_lxstart, 1050 UWORD8 uc_lxend, 1051 UWORD8 u1_mb_mc_mode); 1052 void (*pf_compute_bs)(struct _DecStruct * ps_dec, 1053 struct _DecMbInfo * ps_cur_mb_info, 1054 const UWORD16 u2_mbxn_mb); 1055 UWORD8 u1_init_dec_flag; 1056 prev_seq_params_t s_prev_seq_params; 1057 UWORD8 u1_cur_mb_fld_dec_flag; /* current Mb fld or Frm */ 1058 1059 UWORD8 u1_topleft_mb_fld; 1060 UWORD8 u1_topleft_mbtype; 1061 UWORD8 u1_topleft_mb_fld_bot; 1062 UWORD8 u1_topleft_mbtype_bot; 1063 WORD16 i2_prev_slice_mbx; 1064 WORD16 i2_prev_slice_mby; 1065 UWORD16 u2_top_left_mask; 1066 UWORD16 u2_top_right_mask; 1067 dec_err_status_t * ps_dec_err_status; 1068 /* Ensure pi1_left_pred_mode is aligned to 4 byte boundary, 1069 by declaring this after a pointer or an integer */ 1070 WORD8 pi1_left_pred_mode[8]; 1071 1072 UWORD8 u1_mb_idx_mv; 1073 UWORD16 u2_mv_2mb[2]; 1074 UWORD32 u4_skip_frm_mask; 1075 1076 /* variable for finding the no.of mbs decoded in the current picture */ 1077 UWORD16 u2_total_mbs_coded; 1078 /* member added for supporting fragmented annex - B */ 1079 // frg_annex_read_t s_frag_annex_read; 1080 /* added for vui_t, sei support*/ 1081 WORD32 i4_vui_frame_rate; 1082 /* To Store the value of ref_idx_active for previous slice */ 1083 /* useful in error handling */ 1084 UWORD8 u1_num_ref_idx_lx_active_prev; 1085 /* Flag added to come out of process call in annex-b if&if frame is decoded */ 1086 /* presence of access unit delimters and pps and sps */ 1087 UWORD8 u1_frame_decoded_flag; 1088 1089 /* To keep track of whether the last picture was decoded or not */ 1090 /* in case of skip mode set by the application */ 1091 UWORD8 u1_last_pic_not_decoded; 1092 1093 WORD32 e_dec_status; 1094 UWORD32 u4_num_fld_in_frm; 1095 1096 /* Function pointer for 4x4 residual cavlc parsing based on total coeff */ 1097 WORD32 (*pf_cavlc_4x4res_block[3])(UWORD32 u4_isdc, 1098 UWORD32 u4_total_coeff_trail_one, /**TotalCoefficients<<16+trailingones*/ 1099 dec_bit_stream_t *ps_bitstrm); 1100 1101 /* Function pointer array for interpolate functions in called from motion compensattion module */ 1102 void (*p_mc_interpolate_x_y[16][3])(UWORD8*, 1103 UWORD8*, 1104 UWORD8*, 1105 UWORD8, 1106 UWORD16, 1107 UWORD16, 1108 UWORD8); 1109 1110 /**************************************************************************/ 1111 /* Function pointer for 4x4 totalcoeff, trlone and residual cavlc parsing */ 1112 /* based on u4_n (neigbourinng nnz average) */ 1113 /* These point to two functions depending on (u4_n > 7) and (u4_n <= 7) */ 1114 /**************************************************************************/ 1115 WORD32 (*pf_cavlc_parse4x4coeff[2])(WORD16 *pi2_coeff_block, 1116 UWORD32 u4_isdc, /* is it a DC block */ 1117 WORD32 u4_n, 1118 struct _DecStruct *ps_dec, /** Decoder Parameters */ 1119 UWORD32 *pu4_total_coeff); 1120 1121 /**************************************************************************/ 1122 /* Function pointer for luma 8x8block cavlc parsing based on top and left */ 1123 /* neigbour availability. */ 1124 /**************************************************************************/ 1125 WORD32 (*pf_cavlc_parse_8x8block[4])(WORD16 *pi2_coeff_block, 1126 UWORD32 u4_sub_block_strd, 1127 UWORD32 u4_isdc, 1128 struct _DecStruct *ps_dec, 1129 UWORD8 *pu1_top_nnz, 1130 UWORD8 *pu1_left_nnz, 1131 UWORD8 u1_tran_form8x8, 1132 UWORD8 u1_mb_field_decodingflag, 1133 UWORD32 *pu4_csbp); 1134 1135 /**************************************************************************/ 1136 /* Ping pong top and current rows of mb neigbour_params */ 1137 /**************************************************************************/ 1138 mb_neigbour_params_t *ps_nbr_mb_row; 1139 mb_neigbour_params_t *ps_cur_mb_row; 1140 mb_neigbour_params_t *ps_top_mb_row; 1141 1142 /**************************************************************************/ 1143 /* Function pointer for 16x16 and non16x16 Bs1 calculations depending on */ 1144 /* P and B slice. */ 1145 /***************************************************************************/ 1146 void (*pf_fill_bs1[2][2])(mv_pred_t *ps_cur_mv_pred, 1147 mv_pred_t *ps_top_mv_pred, 1148 void **ppv_map_ref_idx_to_poc, 1149 UWORD32 *pu4_bs_table, /* pointer to the BsTable array */ 1150 mv_pred_t *ps_leftmost_mv_pred, 1151 neighbouradd_t *ps_left_addr, 1152 void **u4_pic_addrress, 1153 WORD32 i4_ver_mvlimit); 1154 1155 void (*pf_fill_bs_xtra_left_edge[2])(UWORD32 *pu4_bs, /* Base pointer of BS table */ 1156 WORD32 u4_left_mb_t_csbp, /* left mbpair's top csbp */ 1157 WORD32 u4_left_mb_b_csbp, /* left mbpair's bottom csbp*/ 1158 WORD32 u4_cur_mb_csbp, /* csbp of current mb */ 1159 UWORD32 u4_cur_mb_bot /* is top or bottom mb */ 1160 1161 ); 1162 /* Function pointer array for BP and MP functions for MC*/ 1163 void (*p_motion_compensate)(struct _DecStruct * ps_dec, 1164 dec_mb_info_t *ps_cur_mb_info); 1165 1166 1167 void (*p_mc_dec_thread)(struct _DecStruct * ps_dec, dec_mb_info_t *ps_cur_mb_info); 1168 1169 /* Function pointer array for BP and MP functions for formMbPartInfo*/ 1170 1171 WORD32 (*p_form_mb_part_info)(pred_info_pkd_t *ps_pred_pkd, 1172 struct _DecStruct * ps_dec, 1173 UWORD16 u2_mb_x, 1174 UWORD16 u2_mb_y, 1175 WORD32 mb_index, 1176 dec_mb_info_t *ps_cur_mb_info); 1177 1178 WORD32 (*p_form_mb_part_info_thread)(pred_info_pkd_t *ps_pred_pkd, 1179 struct _DecStruct * ps_dec, 1180 UWORD16 u2_mb_x, 1181 UWORD16 u2_mb_y, 1182 WORD32 mb_index, 1183 dec_mb_info_t *ps_cur_mb_info); 1184 1185 1186 /* Required for cabac mbaff bottom mb */ 1187 UWORD32 u4_next_mb_skip; 1188 1189 void (*p_DeblockPicture[2])(struct _DecStruct *); 1190 1191 /* ! */ 1192 UWORD32 u4_ts; 1193 UWORD8 u1_flushfrm; 1194 1195 /* Output format sent by the application */ 1196 UWORD8 u1_chroma_format; 1197 UWORD8 u1_pic_decode_done; 1198 UWORD8 u1_slice_header_done; 1199 WORD32 init_done; 1200 1201 /******************************************/ 1202 /* For the high profile related variables */ 1203 /******************************************/ 1204 high_profile_tools_t s_high_profile; 1205 /* CBCR */ 1206 UWORD8 u1_qp_v_div6; 1207 UWORD8 u1_qp_v_rem6; 1208 /* 1209 * TO help solve the dangling field case. 1210 * Check for the previous frame number and the current frame number. 1211 */ 1212 UWORD16 u2_prv_frame_num; 1213 UWORD8 u1_top_bottom_decoded; 1214 UWORD8 u1_dangling_field; 1215 1216 IVD_DISPLAY_FRAME_OUT_MODE_T e_frm_out_mode; 1217 1218 UWORD8 *pu1_bits_buf_static; 1219 UWORD8 *pu1_bits_buf_dynamic; 1220 1221 UWORD32 u4_static_bits_buf_size; 1222 UWORD32 u4_dynamic_bits_buf_size; 1223 1224 UWORD32 u4_num_disp_bufs_requested; 1225 WORD32 i4_display_delay; 1226 UWORD32 u4_slice_start_code_found; 1227 1228 UWORD32 u4_nmb_deblk; 1229 UWORD32 u4_use_intrapred_line_copy; 1230 UWORD32 u4_num_mbs_prev_nmb; 1231 UWORD32 u4_num_mbs_cur_nmb; 1232 UWORD32 u4_app_deblk_disable_level; 1233 UWORD32 u4_app_disable_deblk_frm; 1234 WORD32 i4_mv_frac_mask; 1235 1236 disp_buf_t disp_bufs[MAX_DISP_BUFS_NEW]; 1237 UWORD32 u4_disp_buf_mapping[MAX_DISP_BUFS_NEW]; 1238 UWORD32 u4_disp_buf_to_be_freed[MAX_DISP_BUFS_NEW]; 1239 UWORD32 u4_share_disp_buf; 1240 UWORD32 u4_num_disp_bufs; 1241 1242 UWORD32 u4_bs_deblk_thread_created; 1243 volatile UWORD32 u4_start_recon_deblk; 1244 void *pv_bs_deblk_thread_handle; 1245 1246 UWORD32 u4_cur_bs_mb_num; 1247 UWORD32 u4_bs_cur_slice_num_mbs; 1248 UWORD32 u4_cur_deblk_mb_num; 1249 UWORD32 u4_sps_cnt_in_process; 1250 volatile UWORD16 u2_cur_slice_num_bs; 1251 1252 UWORD32 u4_deblk_mb_x; 1253 UWORD32 u4_deblk_mb_y; 1254 1255 1256 1257 iv_yuv_buf_t s_disp_frame_info; 1258 UWORD32 u4_fmt_conv_num_rows; 1259 UWORD32 u4_fmt_conv_cur_row; 1260 ivd_out_bufdesc_t *ps_out_buffer; 1261 ivd_get_display_frame_op_t s_disp_op; 1262 UWORD32 u4_output_present; 1263 1264 volatile UWORD16 cur_dec_mb_num; 1265 volatile UWORD16 cur_recon_mb_num; 1266 volatile UWORD16 u2_cur_mb_addr; 1267 WORD16 i2_dec_thread_mb_y; 1268 WORD16 i2_recon_thread_mb_y; 1269 1270 UWORD8 u1_separate_parse; 1271 UWORD32 u4_dec_thread_created; 1272 void *pv_dec_thread_handle; 1273 volatile UWORD8 *pu1_dec_mb_map; 1274 volatile UWORD8 *pu1_recon_mb_map; 1275 volatile UWORD16 *pu2_slice_num_map; 1276 dec_slice_struct_t *ps_dec_slice_buf; 1277 void *pv_map_ref_idx_to_poc_buf; 1278 dec_mb_info_t *ps_frm_mb_info; 1279 volatile dec_slice_struct_t * volatile ps_parse_cur_slice; 1280 volatile dec_slice_struct_t * volatile ps_decode_cur_slice; 1281 volatile dec_slice_struct_t * volatile ps_computebs_cur_slice; 1282 UWORD32 u4_cur_slice_decode_done; 1283 UWORD32 u4_extra_mem_used; 1284 1285 /* 2 first slice not parsed , 1 :first slice parsed , 0 :first valid slice header parsed*/ 1286 UWORD32 u4_first_slice_in_pic; 1287 UWORD32 u4_num_cores; 1288 IVD_ARCH_T e_processor_arch; 1289 IVD_SOC_T e_processor_soc; 1290 1291 /** 1292 * Pictures that are are degraded 1293 * 0 : No degrade 1294 * 1 : Only on non-reference frames 1295 * 2 : Use interval specified by u4_nondegrade_interval 1296 * 3 : All non-key frames 1297 * 4 : All frames 1298 */ 1299 WORD32 i4_degrade_pics; 1300 1301 /** 1302 * Interval for pictures which are completely decoded without any degradation 1303 */ 1304 WORD32 i4_nondegrade_interval; 1305 1306 /** 1307 * bit position (lsb is zero): Type of degradation 1308 * 1 : Disable deblocking 1309 * 2 : Faster inter prediction filters 1310 * 3 : Fastest inter prediction filters 1311 */ 1312 WORD32 i4_degrade_type; 1313 1314 /** Degrade pic count, Used to maintain the interval between non-degraded pics 1315 * 1316 */ 1317 WORD32 i4_degrade_pic_cnt; 1318 1319 UWORD32 u4_pic_buf_got; 1320 1321 /** 1322 * Col flag and mv pred buffer manager 1323 */ 1324 void *pv_mv_buf_mgr; 1325 1326 /** 1327 * Picture buffer manager 1328 */ 1329 void *pv_pic_buf_mgr; 1330 1331 /** 1332 * Display buffer manager 1333 */ 1334 void *pv_disp_buf_mgr; 1335 1336 void *apv_buf_id_pic_buf_map[MAX_DISP_BUFS_NEW]; 1337 1338 UWORD8 au1_pic_buf_id_mv_buf_id_map[MAX_DISP_BUFS_NEW]; 1339 1340 UWORD8 au1_pic_buf_ref_flag[MAX_DISP_BUFS_NEW]; 1341 1342 struct pic_buffer_t *ps_pic_buf_base; 1343 1344 UWORD8 *pu1_ref_buff_base; 1345 col_mv_buf_t *ps_col_mv_base; 1346 void *(*pf_aligned_alloc)(void *pv_mem_ctxt, WORD32 alignment, WORD32 size); 1347 void (*pf_aligned_free)(void *pv_mem_ctxt, void *pv_buf); 1348 void *pv_mem_ctxt; 1349 1350 UWORD8 *pu1_pic_buf_base; 1351 UWORD8 *pu1_mv_bank_buf_base; 1352 UWORD8 *pu1_init_dpb_base; 1353 1354 ih264_default_weighted_pred_ft *pf_default_weighted_pred_luma; 1355 1356 ih264_default_weighted_pred_ft *pf_default_weighted_pred_chroma; 1357 1358 ih264_weighted_pred_ft *pf_weighted_pred_luma; 1359 1360 ih264_weighted_pred_ft *pf_weighted_pred_chroma; 1361 1362 ih264_weighted_bi_pred_ft *pf_weighted_bi_pred_luma; 1363 1364 ih264_weighted_bi_pred_ft *pf_weighted_bi_pred_chroma; 1365 1366 ih264_pad *pf_pad_top; 1367 ih264_pad *pf_pad_bottom; 1368 ih264_pad *pf_pad_left_luma; 1369 ih264_pad *pf_pad_left_chroma; 1370 ih264_pad *pf_pad_right_luma; 1371 ih264_pad *pf_pad_right_chroma; 1372 1373 ih264_inter_pred_chroma_ft *pf_inter_pred_chroma; 1374 1375 ih264_inter_pred_luma_ft *apf_inter_pred_luma[16]; 1376 1377 ih264_intra_pred_luma_ft *apf_intra_pred_luma_16x16[4]; 1378 1379 ih264_intra_pred_luma_ft *apf_intra_pred_luma_8x8[9]; 1380 1381 ih264_intra_pred_luma_ft *apf_intra_pred_luma_4x4[9]; 1382 1383 ih264_intra_pred_ref_filtering_ft *pf_intra_pred_ref_filtering; 1384 1385 ih264_intra_pred_chroma_ft *apf_intra_pred_chroma[4]; 1386 1387 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_4x4; 1388 1389 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_4x4_dc; 1390 1391 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_8x8; 1392 1393 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_8x8_dc; 1394 1395 ih264_iquant_itrans_recon_chroma_ft *pf_iquant_itrans_recon_chroma_4x4; 1396 1397 ih264_iquant_itrans_recon_chroma_ft *pf_iquant_itrans_recon_chroma_4x4_dc; 1398 1399 ih264_ihadamard_scaling_ft *pf_ihadamard_scaling_4x4; 1400 1401 /** 1402 * deblock vertical luma edge with blocking strength 4 1403 */ 1404 ih264_deblk_edge_bs4_ft *pf_deblk_luma_vert_bs4; 1405 1406 /** 1407 * deblock vertical luma edge with blocking strength less than 4 1408 */ 1409 ih264_deblk_edge_bslt4_ft *pf_deblk_luma_vert_bslt4; 1410 1411 /** 1412 * deblock vertical luma edge with blocking strength 4 for mbaff 1413 */ 1414 ih264_deblk_edge_bs4_ft *pf_deblk_luma_vert_bs4_mbaff; 1415 1416 /** 1417 * deblock vertical luma edge with blocking strength less than 4 for mbaff 1418 */ 1419 ih264_deblk_edge_bslt4_ft *pf_deblk_luma_vert_bslt4_mbaff; 1420 1421 /** 1422 * deblock vertical chroma edge with blocking strength 4 1423 */ 1424 ih264_deblk_chroma_edge_bs4_ft *pf_deblk_chroma_vert_bs4; 1425 1426 /** 1427 * deblock vertical chroma edge with blocking strength less than 4 1428 */ 1429 ih264_deblk_chroma_edge_bslt4_ft *pf_deblk_chroma_vert_bslt4; 1430 1431 /** 1432 * deblock vertical chroma edge with blocking strength 4 for mbaff 1433 */ 1434 ih264_deblk_chroma_edge_bs4_ft *pf_deblk_chroma_vert_bs4_mbaff; 1435 1436 /** 1437 * deblock vertical chroma edge with blocking strength less than 4 for mbaff 1438 */ 1439 ih264_deblk_chroma_edge_bslt4_ft *pf_deblk_chroma_vert_bslt4_mbaff; 1440 1441 /** 1442 * deblock horizontal luma edge with blocking strength 4 1443 */ 1444 ih264_deblk_edge_bs4_ft *pf_deblk_luma_horz_bs4; 1445 1446 /** 1447 * deblock horizontal luma edge with blocking strength less than 4 1448 */ 1449 ih264_deblk_edge_bslt4_ft *pf_deblk_luma_horz_bslt4; 1450 1451 /** 1452 * deblock horizontal chroma edge with blocking strength 4 1453 */ 1454 ih264_deblk_chroma_edge_bs4_ft *pf_deblk_chroma_horz_bs4; 1455 1456 /** 1457 * deblock horizontal chroma edge with blocking strength less than 4 1458 */ 1459 ih264_deblk_chroma_edge_bslt4_ft *pf_deblk_chroma_horz_bslt4; 1460 1461 1462 } dec_struct_t; 1463 1464 #endif /* _H264_DEC_STRUCTS_H */ 1465