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 sei s_sei_pic; 194 195 } pic_buffer_t; 196 197 typedef struct 198 { 199 void *u4_add[4]; 200 } neighbouradd_t; 201 202 typedef struct 203 { 204 const UWORD8 *pu1_inv_scan; 205 void *pv_table[6]; 206 } cavlc_cntxt_t; 207 208 /** 209 ************************************************************************ 210 * \file ih264d_structs.h 211 * 212 * \brief 213 * Structures used in the H.264 decoder 214 * 215 * \date 216 * 18/11/2002 217 * 218 * \author Sriram Sethuraman 219 * 220 ************************************************************************ 221 */ 222 223 /** 224 * Structure to represent a MV Bank buffer and col flag 225 */ 226 typedef struct 227 { 228 /** 229 * Pointer to buffer that holds col flag. 230 */ 231 void *pv_col_zero_flag; 232 233 /** 234 * Pointer to buffer that holds mv_pred 235 */ 236 void *pv_mv; 237 238 }col_mv_buf_t; 239 240 241 typedef struct 242 { 243 UWORD8 u1_dydx; /** 4*dy + dx for Y comp / 8*dy + dx for UV comp */ 244 UWORD8 u1_is_bi_direct; /** 1: is bi-direct 0: forward / backward only */ 245 UWORD8 u1_wght_pred_type; /** 0-default 1-singleWeighted 2-BiWeighted */ 246 WORD8 i1_mb_partwidth; /** Width of MB partition */ 247 WORD8 i1_mb_partheight; /** Height of MB partition */ 248 WORD8 i1_mc_wd; /** Number of bytes in a DMA stride */ 249 WORD8 i1_dma_ht; /** Number of strides */ 250 251 WORD8 i1_pod_ht; /** Flag specifying height of pad on demand */ 252 /** 0 (No pod) -ve(Top pod) +ve(Bottom pod) */ 253 UWORD16 u2_dst_stride; /** Stride value of the destination */ 254 UWORD16 u2_u1_ref_buf_wd; /** Width of the ref buffer */ 255 UWORD16 u2_frm_wd; 256 UWORD16 u2_dummy; 257 258 UWORD8 *u1_pi1_wt_ofst_rec_v; /** Pointer to packed weight and u4_ofst */ 259 UWORD8 *pu1_rec_y_u; /** MB partition address in row buffer */ 260 UWORD8 *pu1_dma_dest_addr; /** Destination address for DMA transfer */ 261 UWORD8 *pu1_y_ref; 262 UWORD8 *pu1_u_ref; 263 UWORD8 *pu1_v_ref; 264 265 UWORD8 *pu1_pred; 266 UWORD8 *pu1_pred_u; 267 UWORD8 *pu1_pred_v; 268 UWORD8 u1_dma_wd_y; 269 UWORD8 u1_dma_ht_y; 270 UWORD8 u1_dma_wd_uv; 271 UWORD8 u1_dma_ht_uv; 272 } pred_info_t; 273 274 typedef struct 275 { 276 UWORD32 *pu4_wt_offst; 277 WORD16 i2_mv[2]; 278 279 /***************************************************/ 280 /*packing information i1_size_pos_info */ 281 /* bit 1:0 -> X position in terms of (4x4) units */ 282 /* bit 3:2 -> Y position in terms of (4x4) units */ 283 /* bit 5:4 -> PU width 0:4,1:8,2:16 */ 284 /* bit 7:6 -> PU height 0:4,1:8,2:16 */ 285 /***************************************************/ 286 WORD8 i1_size_pos_info; 287 288 /***************************************************/ 289 /*packing information ref idx info */ 290 /* bit 5:0 ->ref_idx */ 291 /* bit 6:7 -> 0:l0,1:l1,2:bipred */ 292 /***************************************************/ 293 WORD8 i1_ref_idx_info; 294 295 WORD8 i1_buf_id; 296 297 298 UWORD8 u1_pic_type; /** frame /top field/bottom field/mbaff / complementary field pair */ 299 300 }pred_info_pkd_t; 301 /*! Sequence level parameters */ 302 303 typedef struct 304 { 305 UWORD8 u1_seq_parameter_set_id; /** id for the seq par set 0-31 */ 306 UWORD8 u1_is_valid; /** is Seq Param set valid */ 307 308 UWORD16 u2_frm_wd_in_mbs; /** Frame width expressed in MB units */ 309 UWORD16 u2_frm_ht_in_mbs; /** Frame height expressed in MB units */ 310 311 /* Following are derived from the above two */ 312 UWORD16 u2_fld_ht_in_mbs; /** Field height expressed in MB units */ 313 UWORD16 u2_max_mb_addr; /** Total number of macroblocks in a coded picture */ 314 UWORD16 u2_total_num_of_mbs; /** Total number of macroblocks in a coded picture */ 315 UWORD32 u4_fld_ht; /** field height */ 316 UWORD32 u4_cwidth; /** chroma width */ 317 UWORD32 u4_chr_frm_ht; /** chroma height */ 318 UWORD32 u4_chr_fld_ht; /** chroma field height */ 319 UWORD8 u1_mb_aff_flag; /** 0 - no mb_aff; 1 - uses mb_aff */ 320 321 UWORD8 u1_profile_idc; /** profile value */ 322 UWORD8 u1_level_idc; /** level value */ 323 324 /* high profile related syntax elements */ 325 WORD32 i4_chroma_format_idc; 326 WORD32 i4_bit_depth_luma_minus8; 327 WORD32 i4_bit_depth_chroma_minus8; 328 WORD32 i4_qpprime_y_zero_transform_bypass_flag; 329 WORD32 i4_seq_scaling_matrix_present_flag; 330 UWORD8 u1_seq_scaling_list_present_flag[8]; 331 UWORD8 u1_use_default_scaling_matrix_flag[8]; 332 WORD16 i2_scalinglist4x4[6][16]; 333 WORD16 i2_scalinglist8x8[2][64]; 334 UWORD8 u1_more_than_one_slice_group_allowed_flag; 335 UWORD8 u1_arbitrary_slice_order_allowed_flag; 336 UWORD8 u1_redundant_slices_allowed_flag; 337 UWORD8 u1_bits_in_frm_num; /** Number of bits in frame num */ 338 UWORD16 u2_u4_max_pic_num_minus1; /** Maximum frame num minus 1 */ 339 UWORD8 u1_pic_order_cnt_type; /** 0 - 2 indicates the method to code picture order count */ 340 UWORD8 u1_log2_max_pic_order_cnt_lsb_minus; 341 WORD32 i4_max_pic_order_cntLsb; 342 UWORD8 u1_num_ref_frames_in_pic_order_cnt_cycle; 343 UWORD8 u1_delta_pic_order_always_zero_flag; 344 WORD32 i4_ofst_for_non_ref_pic; 345 WORD32 i4_ofst_for_top_to_bottom_field; 346 WORD32 i4_ofst_for_ref_frame[MAX_NUM_REF_FRAMES_OFFSET]; 347 UWORD8 u1_num_ref_frames; 348 UWORD8 u1_gaps_in_frame_num_value_allowed_flag; 349 UWORD8 u1_frame_mbs_only_flag; /** 1 - frame only; 0 - field/frame pic */ 350 UWORD8 u1_direct_8x8_inference_flag; 351 UWORD8 u1_vui_parameters_present_flag; 352 vui_t s_vui; 353 } dec_seq_params_t; 354 355 typedef struct 356 { 357 UWORD16 u2_frm_wd_in_mbs; /** Frame width expressed in MB units */ 358 UWORD16 u2_frm_ht_in_mbs; /** Frame height expressed in MB units */ 359 UWORD8 u1_frame_mbs_only_flag; /** 1 - frame only; 0 - field/frame pic */ 360 UWORD8 u1_profile_idc; /** profile value */ 361 UWORD8 u1_level_idc; /** level value */ 362 UWORD8 u1_direct_8x8_inference_flag; 363 UWORD8 u1_eoseq_pending; 364 } prev_seq_params_t; 365 366 /** Picture level parameters */ 367 typedef struct 368 { 369 dec_seq_params_t *ps_sps; /** applicable seq. parameter set */ 370 371 /* High profile related syntax elements */ 372 WORD32 i4_transform_8x8_mode_flag; 373 WORD32 i4_pic_scaling_matrix_present_flag; 374 UWORD8 u1_pic_scaling_list_present_flag[8]; 375 UWORD8 u1_pic_use_default_scaling_matrix_flag[8]; 376 WORD16 i2_pic_scalinglist4x4[6][16]; 377 WORD16 i2_pic_scalinglist8x8[2][64]; 378 WORD8 i1_second_chroma_qp_index_offset; 379 380 UWORD32 u4_slice_group_change_rate; 381 UWORD8 *pu1_slice_groupmb_map; /** MB map with slice membership labels */ 382 UWORD8 u1_pic_parameter_set_id; /** id for the picture par set 0-255*/ 383 UWORD8 u1_entropy_coding_mode; /** Entropy coding : 0-VLC; 1 - CABAC */ 384 UWORD8 u1_num_slice_groups; /** Number of slice groups */ 385 UWORD8 u1_pic_init_qp; /** Initial QPY for the picture {-26,25}*/ 386 WORD8 i1_chroma_qp_index_offset; /** Chroma QP u4_ofst w.r.t QPY {-12,12} */ 387 UWORD8 u1_dblk_filter_parms_flag; /** Slice layer has deblocking filter parameters */ 388 UWORD8 u1_constrained_intra_pred_flag; /** Constrained intra prediction u4_flag */ 389 UWORD8 u1_redundant_pic_cnt_present_flag; /** Redundant_pic_cnt is in slices using this PPS */ 390 UWORD8 u1_pic_order_present_flag; /** Pic order present u4_flag */ 391 UWORD8 u1_num_ref_idx_lx_active[2]; /** Maximum reference picture index in the reference list 0 : range [1 - 15] */ 392 UWORD8 u1_wted_pred_flag; 393 UWORD8 u1_wted_bipred_idc; 394 UWORD8 u1_pic_init_qs; 395 UWORD8 u1_deblocking_filter_parameters_present_flag; 396 UWORD8 u1_vui_pic_parameters_flag; 397 UWORD8 u1_mb_slice_group_map_type; 398 UWORD8 u1_slice_group_change_direction_flag; 399 UWORD8 u1_frame_cropping_flag; 400 UWORD8 u1_frame_cropping_rect_left_ofst; 401 UWORD8 u1_frame_cropping_rect_right_ofst; 402 UWORD8 u1_frame_cropping_rect_top_ofst; 403 UWORD8 u1_frame_cropping_rect_bottom_ofst; 404 void * pv_codec_handle; /* For Error Handling */ 405 WORD32 i4_top_field_order_cnt; 406 WORD32 i4_bottom_field_order_cnt; 407 WORD32 i4_avg_poc; 408 UWORD8 u1_is_valid; /** is Pic Param set valid */ 409 } dec_pic_params_t; 410 411 /** Picture Order Count Paramsters */ 412 typedef struct 413 { 414 WORD32 i4_pic_order_cnt_lsb; 415 WORD32 i4_pic_order_cnt_msb; 416 WORD32 i4_delta_pic_order_cnt_bottom; 417 WORD32 i4_delta_pic_order_cnt[2]; 418 WORD32 i4_prev_frame_num_ofst; 419 UWORD8 u1_mmco_equalto5; 420 UWORD8 u1_bot_field; 421 UWORD16 u2_frame_num; 422 WORD32 i4_top_field_order_count; 423 WORD32 i4_bottom_field_order_count; 424 } pocstruct_t; 425 426 /*****************************************************************************/ 427 /* parse_mb_pers_info contains necessary mb info data required persistently */ 428 /* in the form of top and left neighbours. */ 429 /*****************************************************************************/ 430 typedef struct 431 { 432 void *u4_pic_addrress[4]; /* picture address for BS calc */ 433 WORD8 pi1_intrapredmodes[4]; /* calc Intra pred modes */ 434 UWORD8 pu1_nnz_y[4]; 435 UWORD8 pu1_nnz_uv[4]; 436 UWORD8 u1_mb_fld; 437 UWORD8 u1_mb_type; 438 UWORD16 u2_luma_csbp; /* Luma csbp used for BS calc */ 439 UWORD8 u1_tran_form8x8; 440 } mb_neigbour_params_t; 441 442 /* This info is required for decoding purposes except Deblockng */ 443 typedef struct _DecMbInfo 444 { 445 UWORD8 u1_mb_type; /** macroblock type: I/P/B/SI/SP */ 446 UWORD8 u1_chroma_pred_mode; 447 UWORD8 u1_cbp; 448 UWORD8 u1_mb_mc_mode; /** 16x16, 2 16x8, 2 8x16, 4 8x8 */ 449 UWORD8 u1_topmb; /** top Mb u4_flag */ 450 UWORD8 u1_mb_ngbr_availablity; 451 UWORD8 u1_end_of_slice; 452 UWORD8 u1_mb_field_decodingflag; 453 UWORD8 u1_topleft_mb_fld; 454 UWORD8 u1_topleft_mbtype; 455 WORD8 i1_offset; 456 UWORD8 u1_Mux; 457 UWORD8 u1_qp_div6; 458 UWORD8 u1_qp_rem6; 459 UWORD8 u1_qpc_div6; 460 UWORD8 u1_qpcr_div6; 461 UWORD8 u1_qpc_rem6; 462 UWORD8 u1_qpcr_rem6; 463 UWORD8 u1_tran_form8x8; 464 UWORD8 u1_num_pred_parts; 465 UWORD8 u1_yuv_dc_block_flag; 466 UWORD16 u2_top_right_avail_mask; 467 UWORD16 u2_top_left_avail_mask; 468 UWORD16 u2_luma_csbp; /** Coded 4x4 Sub Block Pattern */ 469 UWORD16 u2_chroma_csbp; /** Coded 4x4 Sub Block Pattern */ 470 UWORD16 u2_mbx; 471 UWORD16 u2_mby; 472 UWORD16 u2_mask[2]; 473 474 UWORD32 u4_pred_info_pkd_idx; 475 476 mb_neigbour_params_t *ps_left_mb; 477 mb_neigbour_params_t *ps_top_mb; 478 mb_neigbour_params_t *ps_top_right_mb; 479 mb_neigbour_params_t *ps_curmb; 480 } dec_mb_info_t; 481 482 483 /** Slice level parameters */ 484 typedef struct 485 { 486 dec_pic_params_t *ps_pps; /** PPS used */ 487 WORD32 i4_delta_pic_order_cnt[2]; 488 WORD32 i4_poc; /** Pic order cnt of picture to which slice belongs*/ 489 UWORD32 u4_idr_pic_id; /** IDR pic ID */ 490 UWORD16 u2_first_mb_in_slice; /** Address of first MB in slice*/ 491 UWORD16 u2_frame_num; /** Frame number from prev IDR pic */ 492 493 UWORD8 u1_mbaff_frame_flag; /** Mb adaptive frame field u4_flag */ 494 UWORD8 u1_field_pic_flag; /** Field picture or not */ 495 UWORD8 u1_bottom_field_flag; /** If slice belongs to bot field pic */ 496 UWORD8 u1_slice_type; /** I/P/B/SI/SP */ 497 WORD32 i4_pic_order_cnt_lsb; /** Picture Order Count */ 498 UWORD8 u1_slice_qp; /** Add slice_qp_delta to pic_init_QP */ 499 UWORD8 u1_disable_dblk_filter_idc; /** 0-dblk all edges; 1 - suppress; 2 - suppress only edges */ 500 WORD8 i1_slice_alpha_c0_offset; /** dblk: alpha and C0 table u4_ofst {-12,12}*/ 501 WORD8 i1_slice_beta_offset; /** dblk: beta table u4_ofst {-12, 12}*/ 502 UWORD8 u1_sp_for_switch_flag; 503 UWORD8 u1_no_output_of_prior_pics_flag; 504 UWORD8 u1_long_term_reference_flag; 505 UWORD8 u1_num_ref_idx_lx_active[2]; 506 UWORD8 u1_cabac_init_idc; /** cabac_init_idc */ 507 UWORD8 u1_num_ref_idx_active_override_flag; 508 UWORD8 u1_direct_spatial_mv_pred_flag; 509 WORD32 (*pf_decodeDirect)(struct _DecStruct *ps_dec, 510 UWORD8 u1_wd_x, 511 dec_mb_info_t *ps_cur_mb_info, 512 UWORD8 u1_mb_num); 513 UWORD8 u1_redundant_pic_cnt; 514 WORD8 i1_slice_qs_delta; 515 UWORD8 u1_nal_ref_idc; /** NAL ref idc of the Slice NAL unit */ 516 UWORD8 u1_nal_unit_type; /** NAL unit type of the Slice NAL */ 517 UWORD8 u1_direct_8x8_inference_flag; 518 UWORD8 u1_mmco_equalto5; /** any of the MMCO command equal to 5 */ 519 UWORD8 u1_pic_order_cnt_type; 520 pocstruct_t s_POC; 521 /* DataStructures required for weighted prediction */ 522 UWORD16 u2_log2Y_crwd; /** Packed luma and chroma log2_weight_denom */ 523 /* [list0/list1]:[ref pics index]:[0-Y 1-Cb 2-Cr] [weight/u4_ofst], 524 weights and offsets are signed numbers, since they are packed, it is defined 525 unsigned. LSB byte : weight and MSB byte: u4_ofst */ 526 UWORD32 u4_wt_ofst_lx[2][MAX_REF_BUFS][3]; 527 void * pv_codec_handle; /* For Error Handling */ 528 529 /* This is used when reordering is done in Forward or */ 530 /* backward lists. This is because reordering can point */ 531 /* to any valid entry in initial list irrespective of */ 532 /* num_ref_idx_active which could be overwritten using */ 533 /* ref_idx_reorder_flag */ 534 UWORD8 u1_initial_list_size[2]; 535 UWORD32 u4_mbs_in_slice; 536 } dec_slice_params_t; 537 538 539 typedef struct 540 { 541 UWORD8 u1_mb_type; /* Bit representations, X- reserved */ 542 /** |Field/Frame|X|X|X|X|Bslice u4_flag|PRED_NON_16x16 u4_flag |Intra Mbflag| */ 543 UWORD8 u1_mb_qp; 544 UWORD8 u1_deblocking_mode; /** dblk: Mode [ NO / NO TOP / NO LEFT] filter */ 545 WORD8 i1_slice_alpha_c0_offset; /** dblk: alpha and C0 table u4_ofst {-12,12}*/ 546 WORD8 i1_slice_beta_offset; /** dblk: beta table u4_ofst {-12, 12}*/ 547 UWORD8 u1_single_call; 548 UWORD8 u1_topmb_qp; 549 UWORD8 u1_left_mb_qp; 550 UWORD32 u4_bs_table[10]; /* Boundary strength */ 551 552 } deblk_mb_t; 553 554 typedef struct 555 { 556 UWORD8 u1_mb_type; 557 UWORD8 u1_mb_qp; 558 } deblkmb_neighbour_t; 559 560 #define MAX_MV_RESIDUAL_INFO_PER_MB 32 561 #define MAX_REFIDX_INFO_PER_MB 4 562 #define PART_NOT_DIRECT 0 563 #define PART_DIRECT_8x8 1 564 #define PART_DIRECT_16x16 2 565 typedef struct 566 { 567 UWORD8 u1_is_direct; 568 UWORD8 u1_pred_mode; 569 UWORD8 u1_sub_mb_num; 570 UWORD8 u1_partheight; 571 UWORD8 u1_partwidth; 572 } parse_part_params_t; 573 574 typedef struct 575 { 576 UWORD8 u1_isI_mb; 577 UWORD8 u1_num_part; 578 UWORD32 *pu4_wt_offst[MAX_REFIDX_INFO_PER_MB]; 579 WORD8 i1_ref_idx[2][MAX_REFIDX_INFO_PER_MB]; 580 UWORD8 u1_col_info[MAX_REFIDX_INFO_PER_MB]; 581 } parse_pmbarams_t; 582 583 typedef struct 584 { 585 UWORD8 u1_vert_pad_top; /* flip-flop u4_flag remembering pad area (Vert) */ 586 UWORD8 u1_vert_pad_bot; /* flip-flop u4_flag remembering pad area (Vert) */ 587 UWORD8 u1_horz_pad; /* flip-flop u4_flag remembering pad area (Vert) */ 588 UWORD8 u1_pad_len_y_v; /* vertical pad amount for luma */ 589 UWORD8 u1_pad_len_cr_v; /* vertical pad amount for chroma */ 590 } pad_mgr_t; 591 592 593 #define ACCEPT_ALL_PICS (0x00) 594 #define REJECT_CUR_PIC (0x01) 595 #define REJECT_PB_PICS (0x02) 596 597 #define MASK_REJECT_CUR_PIC (0xFE) 598 #define MASK_REJECT_PB_PICS (0xFD) 599 600 #define PIC_TYPE_UNKNOWN (0xFF) 601 #define PIC_TYPE_I (0x00) 602 #define SYNC_FRM_DEFAULT (0xFFFFFFFF) 603 #define INIT_FRAME (0xFFFFFF) 604 605 typedef struct dec_err_status_t 606 { 607 UWORD8 u1_cur_pic_type; 608 UWORD8 u1_pic_aud_i; 609 UWORD8 u1_err_flag; 610 UWORD32 u4_frm_sei_sync; 611 UWORD32 u4_cur_frm; 612 } dec_err_status_t; 613 614 /**************************************************************************/ 615 /* Structure holds information about all high profile toolsets */ 616 /**************************************************************************/ 617 typedef struct 618 { 619 /*****************************************/ 620 /* variables required for scaling */ 621 /*****************************************/ 622 UWORD8 u1_scaling_present; 623 WORD16 *pi2_scale_mat[8]; 624 625 /*************************************************/ 626 /* scaling matrices for frame macroblocks after */ 627 /* inverse scanning */ 628 /*************************************************/ 629 WORD16 i2_scalinglist4x4[6][16]; 630 WORD16 i2_scalinglist8x8[2][64]; 631 632 633 /*****************************************/ 634 /* variables required for transform8x8 */ 635 /*****************************************/ 636 UWORD8 u1_transform8x8_present; 637 UWORD8 u1_direct_8x8_inference_flag; 638 /* temporary variable to get noSubMbPartSizeLessThan8x8Flag from ih264d_parse_bmb_non_direct_cavlc */ 639 UWORD8 u1_no_submb_part_size_lt8x8_flag; 640 641 /* needed for inverse scanning */ 642 cavlc_cntxt_t s_cavlc_ctxt; 643 644 /* contexts for the CABAC related parsing */ 645 bin_ctxt_model_t *ps_transform8x8_flag; 646 bin_ctxt_model_t *ps_sigcoeff_8x8_frame; 647 bin_ctxt_model_t *ps_last_sigcoeff_8x8_frame; 648 bin_ctxt_model_t *ps_coeff_abs_levelminus1; 649 bin_ctxt_model_t *ps_sigcoeff_8x8_field; 650 bin_ctxt_model_t *ps_last_sigcoeff_8x8_field; 651 652 /* variables required for intra8x8 */ 653 654 /* variables required for handling different Qp for Cb and Cr */ 655 656 } high_profile_tools_t; 657 658 typedef struct 659 { 660 UWORD32 u4_num_bufs; /* Number of buffers in each display frame. 2 for 420SP and 3 for 420P and so on */ 661 void *buf[3]; /* Pointers to each of the components */ 662 UWORD32 u4_bufsize[3]; 663 UWORD32 u4_ofst[3]; 664 } disp_buf_t; 665 typedef struct _dec_slice_struct 666 { 667 volatile UWORD32 u4_first_mb_in_slice; 668 volatile UWORD32 slice_type; 669 volatile UWORD16 u2_log2Y_crwd; 670 volatile void **ppv_map_ref_idx_to_poc; 671 volatile void *pv_tu_coeff_data_start; 672 } dec_slice_struct_t; 673 674 /** 675 * Structure to hold coefficient info for a 4x4 transform 676 */ 677 typedef struct 678 { 679 /** 680 * significant coefficient map 681 */ 682 UWORD16 u2_sig_coeff_map; 683 684 /** 685 * holds coefficients 686 */ 687 WORD16 ai2_level[16]; 688 }tu_sblk4x4_coeff_data_t; 689 690 /** 691 * Structure to hold coefficient info for a 8x8 transform 692 */ 693 typedef struct 694 { 695 696 /** 697 * significant coefficient map 698 */ 699 UWORD32 au4_sig_coeff_map[2]; 700 701 /** 702 * holds coefficients 703 */ 704 WORD16 ai2_level[64]; 705 }tu_blk8x8_coeff_data_t; 706 707 /** Aggregating structure that is globally available */ 708 typedef struct _DecStruct 709 { 710 711 /* Add below all other static memory allocations and pointers to items 712 that are dynamically allocated once per session */ 713 dec_bit_stream_t *ps_bitstrm; 714 dec_seq_params_t *ps_cur_sps; 715 dec_pic_params_t *ps_cur_pps; 716 dec_slice_params_t *ps_cur_slice; 717 718 dec_pic_params_t *ps_pps; 719 dec_seq_params_t *ps_sps; 720 const UWORD16 *pu2_quant_scale_y; 721 const UWORD16 *pu2_quant_scale_u; 722 const UWORD16 *pu2_quant_scale_v; 723 UWORD16 u2_mbx; 724 UWORD16 u2_mby; 725 726 UWORD16 u2_frm_wd_y; /** Width for luma buff */ 727 UWORD16 u2_frm_ht_y; /** Height for luma buff */ 728 UWORD16 u2_frm_wd_uv; /** Width for chroma buff */ 729 UWORD16 u2_frm_ht_uv; /** Height for chroma buff */ 730 UWORD16 u2_frm_wd_in_mbs; /** Frame width expressed in MB units */ 731 UWORD16 u2_frm_ht_in_mbs; /** Frame height expressed in MB units */ 732 WORD32 i4_submb_ofst; /** Offset in subMbs from the top left edge */ 733 /* Pointer to colocated Zero frame Image, will be used in B_DIRECT mode */ 734 /* colZeroFlag | // 0th bit 735 field_flag | // 1st bit 736 XX | // 2:3 bit don't cares 737 subMbMode | // 4:5 bit 738 MbMode | // 6:7 bit */ 739 740 UWORD8 *pu1_col_zero_flag; 741 742 UWORD16 u2_pic_wd; /** Width of the picture being decoded */ 743 UWORD16 u2_pic_ht; /** Height of the picture being decoded */ 744 745 UWORD8 u1_first_slice_in_stream; 746 UWORD8 u1_mb_ngbr_availablity; 747 UWORD8 u1_ref_idxl0_active_minus1; 748 UWORD8 u1_qp; 749 UWORD8 u1_qp_y_div6; 750 UWORD8 u1_qp_u_div6; 751 UWORD8 u1_qp_y_rem6; 752 UWORD8 u1_qp_u_rem6; 753 754 /*********************************/ 755 /* configurable mb-group numbers */ 756 /* very critical to the decoder */ 757 /*********************************/ 758 /************************************************************/ 759 /* MB_GROUP should be a multiple of 2 */ 760 /************************************************************/ 761 UWORD8 u1_recon_mb_grp; 762 UWORD8 u1_recon_mb_grp_pair; 763 /* Variables to handle Cabac */ 764 decoding_envirnoment_t s_cab_dec_env; /* < Structure for decoding_envirnoment_t */ 765 /* These things need to be updated at each MbLevel */ 766 WORD8 i1_next_ctxt_idx; /* < next Ctxt Index */ 767 UWORD8 u1_currB_type; 768 WORD8 i1_prev_mb_qp_delta; /* Prev MbQpDelta */ 769 UWORD8 u1_nal_unit_type; 770 771 ctxt_inc_mb_info_t *p_ctxt_inc_mb_map; /* Pointer to ctxt_inc_mb_info_t map */ 772 ctxt_inc_mb_info_t *p_left_ctxt_mb_info; /* Pointer to left ctxt_inc_mb_info_t */ 773 ctxt_inc_mb_info_t *p_top_ctxt_mb_info; /* Pointer to top ctxt_inc_mb_info_t */ 774 ctxt_inc_mb_info_t *ps_curr_ctxt_mb_info; /* Pointer to current ctxt_inc_mb_info_t */ 775 ctxt_inc_mb_info_t *ps_def_ctxt_mb_info; /* Pointer to default ctxt_inc_mb_info_t */ 776 777 /* mv contexts for mv decoding using cabac */ 778 //UWORD8 u1_top_mv_ctxt_inc[4][4]; 779 /* Dimensions for u1_left_mv_ctxt_inc_arr is [2][4][4] for Mbaff case */ 780 UWORD8 u1_left_mv_ctxt_inc_arr[2][4][4]; 781 UWORD8 (*pu1_left_mv_ctxt_inc)[4]; 782 783 UWORD8 u1_sub_mb_num; 784 UWORD8 u1_B; /** if B slice u1_B = 1 else 0 */ 785 WORD16 i2_only_backwarddma_info_idx; 786 mv_pred_t *ps_mv; /** Pointer to the MV bank array */ 787 mv_pred_t *ps_mv_bank_cur; /** Pointer to the MV bank array */ 788 mv_pred_t s_default_mv_pred; /** Structure containing the default values 789 for MV predictor */ 790 791 pred_info_t *ps_pred; /** Stores info to cfg MC */ 792 pred_info_t *ps_pred_start; 793 794 UWORD32 u4_pred_info_idx; 795 pred_info_pkd_t *ps_pred_pkd; 796 pred_info_pkd_t *ps_pred_pkd_start; 797 UWORD32 u4_pred_info_pkd_idx; 798 UWORD8 *pu1_ref_buff; /** Destination buffer for DMAs */ 799 UWORD32 u4_dma_buf_idx; 800 801 UWORD8 *pu1_y; 802 UWORD8 *pu1_u; 803 UWORD8 *pu1_v; 804 805 WORD16 *pi2_y_coeff; 806 UWORD8 *pu1_inv_scan; 807 808 /** 809 * Pointer frame level TU subblock coeff data 810 */ 811 void *pv_pic_tu_coeff_data; 812 813 /** 814 * Pointer to TU subblock coeff data and number of subblocks and scan idx 815 * Incremented each time a coded subblock is processed 816 * 817 */ 818 void *pv_parse_tu_coeff_data; 819 void *pv_prev_mb_parse_tu_coeff_data; 820 821 void *pv_proc_tu_coeff_data; 822 823 WORD16 *pi2_coeff_data; 824 825 cavlc_cntxt_t s_cavlc_ctxt; 826 827 UWORD32 u4_n_leftY[2]; 828 UWORD32 u4_n_left_cr[2]; 829 UWORD32 u4_n_left_temp_y; 830 831 UWORD8 pu1_left_nnz_y[4]; 832 UWORD8 pu1_left_nnz_uv[4]; 833 UWORD32 u4_n_left_temp_uv; 834 /***************************************************************************/ 835 /* Base pointer to all the cabac contexts */ 836 /***************************************************************************/ 837 bin_ctxt_model_t *p_cabac_ctxt_table_t; 838 839 /***************************************************************************/ 840 /* cabac context pointers for every SE mapped into in p_cabac_ctxt_table_t */ 841 /***************************************************************************/ 842 bin_ctxt_model_t *p_mb_type_t; 843 bin_ctxt_model_t *p_mb_skip_flag_t; 844 bin_ctxt_model_t *p_sub_mb_type_t; 845 bin_ctxt_model_t *p_mvd_x_t; 846 bin_ctxt_model_t *p_mvd_y_t; 847 bin_ctxt_model_t *p_ref_idx_t; 848 bin_ctxt_model_t *p_mb_qp_delta_t; 849 bin_ctxt_model_t *p_intra_chroma_pred_mode_t; 850 bin_ctxt_model_t *p_prev_intra4x4_pred_mode_flag_t; 851 bin_ctxt_model_t *p_rem_intra4x4_pred_mode_t; 852 bin_ctxt_model_t *p_mb_field_dec_flag_t; 853 bin_ctxt_model_t *p_cbp_luma_t; 854 bin_ctxt_model_t *p_cbp_chroma_t; 855 bin_ctxt_model_t *p_cbf_t[NUM_CTX_CAT]; 856 bin_ctxt_model_t *p_significant_coeff_flag_t[NUM_CTX_CAT]; 857 bin_ctxt_model_t *p_coeff_abs_level_minus1_t[NUM_CTX_CAT]; 858 859 UWORD32 u4_num_pmbair; /** MB pair number */ 860 mv_pred_t *ps_mv_left; /** Pointer to left motion vector bank */ 861 mv_pred_t *ps_mv_top_left; /** Pointer to top left motion vector bank */ 862 mv_pred_t *ps_mv_top_right; /** Pointer to top right motion vector bank */ 863 864 UWORD8 *pu1_left_yuv_dc_csbp; 865 866 867 deblkmb_neighbour_t deblk_left_mb[2]; 868 deblkmb_neighbour_t *ps_deblk_top_mb; 869 neighbouradd_t (*ps_left_mvpred_addr)[2]; /* Left MvPred Address Ping Pong*/ 870 871 /***************************************************************************/ 872 /* Ref_idx contexts are stored in the following way */ 873 /* Array Idx 0,1 for reference indices in Forward direction */ 874 /* Array Idx 2,3 for reference indices in backward direction */ 875 /***************************************************************************/ 876 877 /* Dimensions for u1_left_ref_ctxt_inc_arr is [2][4] for Mbaff:Top and Bot */ 878 WORD8 i1_left_ref_idx_ctx_inc_arr[2][4]; 879 WORD8 *pi1_left_ref_idx_ctxt_inc; 880 881 /*************************************************************************/ 882 /* Arrangnment of DC CSBP */ 883 /* bits: b7 b6 b5 b4 b3 b2 b1 b0 */ 884 /* CSBP: x x x x x Vdc Udc Ydc */ 885 /*************************************************************************/ 886 /*************************************************************************/ 887 /* Points either to u1_yuv_dc_csbp_topmb or u1_yuv_dc_csbp_bot_mb */ 888 /*************************************************************************/ 889 UWORD8 u1_yuv_dc_csbp_topmb; 890 UWORD8 u1_yuv_dc_csbp_bot_mb; 891 892 /* DMA SETUP */ 893 tfr_ctxt_t s_tran_addrecon_parse; 894 tfr_ctxt_t s_tran_addrecon; 895 tfr_ctxt_t s_tran_iprecon; 896 tfr_ctxt_t *ps_frame_buf_ip_recon; 897 WORD8 i1_recon_in_thread3_flag; 898 899 /* slice Header Simplification */ 900 UWORD8 u1_pr_sl_type; 901 WORD32 i4_frametype; 902 UWORD32 u4_app_disp_width; 903 WORD32 i4_error_code; 904 UWORD32 u4_bitoffset; 905 906 /* Variables added to handle field pics */ 907 908 UWORD8 u1_second_field; 909 WORD32 i4_pic_type; 910 WORD32 i4_content_type; 911 WORD32 i4_decode_header; 912 WORD32 i4_header_decoded; 913 UWORD32 u4_total_frames_decoded; 914 915 ctxt_inc_mb_info_t *ps_left_mb_ctxt_info; /* structure containing the left MB's 916 context info, incase of Mbaff */ 917 pocstruct_t s_prev_pic_poc; 918 pocstruct_t s_cur_pic_poc; 919 WORD32 i4_cur_display_seq; 920 WORD32 i4_prev_max_display_seq; 921 WORD32 i4_max_poc; 922 deblk_mb_t *ps_cur_deblk_mb; 923 924 /* Pointers to local scratch buffers */ 925 deblk_mb_t *ps_deblk_pic; 926 927 /* Pointers to Picture Buffers (Given by BufAPI Lib) */ 928 struct pic_buffer_t *ps_cur_pic; /** Pointer to Current picture buffer */ 929 930 /* Scratch Picture Buffers (Given by BufAPI Lib) */ 931 struct pic_buffer_t s_cur_pic; 932 933 /* Current Slice related information */ 934 volatile UWORD16 u2_cur_slice_num; 935 volatile UWORD16 u2_cur_slice_num_dec_thread; 936 937 /* Variables needed for Buffer API handling */ 938 UWORD8 u1_nal_buf_id; 939 UWORD8 u1_pic_buf_id; 940 UWORD8 u1_pic_bufs; 941 942 WORD16 *pi2_pred1; //[441]; /** Temp predictor buffer for MC */ 943 /* Pointer to refernce Pic buffers list, 0:fwd, 1:bwd */ 944 pic_buffer_t **ps_ref_pic_buf_lx[2]; 945 /* refIdx to POC mapping */ 946 void **ppv_map_ref_idx_to_poc; 947 void **ppv_map_ref_idx_to_poc_base; 948 UWORD32 *pu4_wts_ofsts_mat; 949 UWORD32 *pu4_wt_ofsts; 950 UWORD32 *pu4_mbaff_wt_mat; 951 /* Function pointers to read Params common to CAVLC and CABAC */ 952 WORD32 (*pf_parse_inter_mb)(struct _DecStruct * ps_dec, 953 dec_mb_info_t * ps_cur_mb_info, 954 UWORD8 u1_mb_num, 955 UWORD8 u1_num_mbsNby2); 956 WORD32 (*pf_mvpred_ref_tfr_nby2mb)(struct _DecStruct * ps_dec, 957 UWORD8 u1_num_mbs, 958 UWORD8 u1_num_mbsNby2); 959 960 WORD32 (*pf_parse_inter_slice)(struct _DecStruct * ps_dec, 961 dec_slice_params_t * ps_slice, 962 UWORD16 u2_first_mb_in_slice); 963 964 UWORD32 (*pf_get_mb_info)(struct _DecStruct * ps_dec, 965 const UWORD16 u2_cur_mb_address, 966 dec_mb_info_t * ps_cur_mb_info, 967 UWORD32 u4_mbskip_run); 968 969 /* Variables for Decode Buffer Management */ 970 dpb_manager_t *ps_dpb_mgr; 971 dpb_commands_t *ps_dpb_cmds; 972 dpb_commands_t s_dpb_cmds_scratch; 973 974 /* Variables Required for N MB design */ 975 dec_mb_info_t *ps_nmb_info; 976 977 UWORD8 *pu1_y_intra_pred_line; 978 UWORD8 *pu1_u_intra_pred_line; 979 UWORD8 *pu1_v_intra_pred_line; 980 981 UWORD8 *pu1_cur_y_intra_pred_line; 982 UWORD8 *pu1_cur_u_intra_pred_line; 983 UWORD8 *pu1_cur_v_intra_pred_line; 984 985 UWORD8 *pu1_cur_y_intra_pred_line_base; 986 UWORD8 *pu1_cur_u_intra_pred_line_base; 987 UWORD8 *pu1_cur_v_intra_pred_line_base; 988 989 UWORD8 *pu1_prev_y_intra_pred_line; 990 UWORD8 *pu1_prev_u_intra_pred_line; 991 UWORD8 *pu1_prev_v_intra_pred_line; 992 993 UWORD32 u4_intra_pred_line_ofst; 994 995 UWORD8 u1_res_changed; 996 997 mv_pred_t *ps_mv_cur; /** pointer to current motion vector bank */ 998 mv_pred_t *ps_mv_top; /** pointer to top motion vector bank */ 999 mv_pred_t *ps_mv_top_right2;/** Pointer to top right motion vector bank */ 1000 mv_pred_t *ps_mv_p[2]; /** Scratch ping motion vector bank */ 1001 mv_pred_t *ps_mv_top_p[MV_SCRATCH_BUFS]; /** Scratch top pong motion vector bank */ 1002 UWORD8 u1_mv_top_p; 1003 1004 deblk_mb_t *ps_deblk_mbn; 1005 1006 UWORD8 *pu1_temp_mc_buffer; 1007 1008 struct _sei *ps_sei; 1009 struct _sei *ps_sei_parse; 1010 struct _sei s_sei_export; 1011 1012 void *pv_disp_sei_params; 1013 1014 UWORD8 u1_pic_struct_copy; 1015 /* Variables required for cropping */ 1016 UWORD16 u2_disp_width; 1017 UWORD16 u2_disp_height; 1018 UWORD16 u2_crop_offset_y; 1019 UWORD16 u2_crop_offset_uv; 1020 1021 /* Variable required to get presentation time stamp through application */ 1022 UWORD32 u4_pts; 1023 1024 /* Variables used for gaps in frame number */ 1025 UWORD16 u2_prev_ref_frame_num; 1026 1027 UWORD8 u1_mb_idx; 1028 struct pic_buffer_t *ps_col_pic; 1029 void (*pf_parse_mvdirect)(struct _DecStruct*, 1030 struct pic_buffer_t*, 1031 directmv_t*, 1032 UWORD8, 1033 WORD32, 1034 dec_mb_info_t *); 1035 void *pv_dec_out; 1036 void *pv_dec_in; 1037 void *pv_scratch_sps_pps; /*used temeporarily store sps/ spps while parsing*/ 1038 1039 /* state pointers to mb and partition information */ 1040 parse_pmbarams_t *ps_parse_mb_data; 1041 parse_part_params_t *ps_parse_part_params; 1042 1043 /* scratch pointers to mb and partition information */ 1044 parse_part_params_t *ps_part; 1045 1046 UWORD8 u1_max_dec_frame_buffering; 1047 pad_mgr_t s_pad_mgr; 1048 UWORD8 (*pf_mvpred)(struct _DecStruct *ps_dec, 1049 struct _DecMbInfo *ps_cur_mb_info, 1050 mv_pred_t *ps_mv_pred, 1051 mv_pred_t *ps_mv_nmb, 1052 mv_pred_t *ps_mv_ntop, 1053 UWORD8 u1_sub_mb_num, 1054 UWORD8 uc_mb_part_width, 1055 UWORD8 uc_lxstart, 1056 UWORD8 uc_lxend, 1057 UWORD8 u1_mb_mc_mode); 1058 void (*pf_compute_bs)(struct _DecStruct * ps_dec, 1059 struct _DecMbInfo * ps_cur_mb_info, 1060 const UWORD16 u2_mbxn_mb); 1061 UWORD8 u1_init_dec_flag; 1062 WORD32 i4_reorder_depth; 1063 prev_seq_params_t s_prev_seq_params; 1064 UWORD8 u1_cur_mb_fld_dec_flag; /* current Mb fld or Frm */ 1065 1066 UWORD8 u1_topleft_mb_fld; 1067 UWORD8 u1_topleft_mbtype; 1068 UWORD8 u1_topleft_mb_fld_bot; 1069 UWORD8 u1_topleft_mbtype_bot; 1070 WORD16 i2_prev_slice_mbx; 1071 WORD16 i2_prev_slice_mby; 1072 UWORD16 u2_top_left_mask; 1073 UWORD16 u2_top_right_mask; 1074 dec_err_status_t * ps_dec_err_status; 1075 /* Ensure pi1_left_pred_mode is aligned to 4 byte boundary, 1076 by declaring this after a pointer or an integer */ 1077 WORD8 pi1_left_pred_mode[8]; 1078 1079 UWORD8 u1_mb_idx_mv; 1080 UWORD16 u2_mv_2mb[2]; 1081 UWORD32 u4_skip_frm_mask; 1082 1083 /* variable for finding the no.of mbs decoded in the current picture */ 1084 UWORD16 u2_total_mbs_coded; 1085 /* member added for supporting fragmented annex - B */ 1086 // frg_annex_read_t s_frag_annex_read; 1087 /* added for vui_t, sei support*/ 1088 WORD32 i4_vui_frame_rate; 1089 /* To Store the value of ref_idx_active for previous slice */ 1090 /* useful in error handling */ 1091 UWORD8 u1_num_ref_idx_lx_active_prev; 1092 /* Flag added to come out of process call in annex-b if&if frame is decoded */ 1093 /* presence of access unit delimters and pps and sps */ 1094 UWORD8 u1_frame_decoded_flag; 1095 1096 /* To keep track of whether the last picture was decoded or not */ 1097 /* in case of skip mode set by the application */ 1098 UWORD8 u1_last_pic_not_decoded; 1099 1100 WORD32 e_dec_status; 1101 UWORD32 u4_num_fld_in_frm; 1102 1103 /* Function pointer for 4x4 residual cavlc parsing based on total coeff */ 1104 WORD32 (*pf_cavlc_4x4res_block[3])(UWORD32 u4_isdc, 1105 UWORD32 u4_total_coeff_trail_one, /**TotalCoefficients<<16+trailingones*/ 1106 dec_bit_stream_t *ps_bitstrm); 1107 1108 /* Function pointer array for interpolate functions in called from motion compensattion module */ 1109 void (*p_mc_interpolate_x_y[16][3])(UWORD8*, 1110 UWORD8*, 1111 UWORD8*, 1112 UWORD8, 1113 UWORD16, 1114 UWORD16, 1115 UWORD8); 1116 1117 /**************************************************************************/ 1118 /* Function pointer for 4x4 totalcoeff, trlone and residual cavlc parsing */ 1119 /* based on u4_n (neigbourinng nnz average) */ 1120 /* These point to two functions depending on (u4_n > 7) and (u4_n <= 7) */ 1121 /**************************************************************************/ 1122 WORD32 (*pf_cavlc_parse4x4coeff[2])(WORD16 *pi2_coeff_block, 1123 UWORD32 u4_isdc, /* is it a DC block */ 1124 WORD32 u4_n, 1125 struct _DecStruct *ps_dec, /** Decoder Parameters */ 1126 UWORD32 *pu4_total_coeff); 1127 1128 /**************************************************************************/ 1129 /* Function pointer for luma 8x8block cavlc parsing based on top and left */ 1130 /* neigbour availability. */ 1131 /**************************************************************************/ 1132 WORD32 (*pf_cavlc_parse_8x8block[4])(WORD16 *pi2_coeff_block, 1133 UWORD32 u4_sub_block_strd, 1134 UWORD32 u4_isdc, 1135 struct _DecStruct *ps_dec, 1136 UWORD8 *pu1_top_nnz, 1137 UWORD8 *pu1_left_nnz, 1138 UWORD8 u1_tran_form8x8, 1139 UWORD8 u1_mb_field_decodingflag, 1140 UWORD32 *pu4_csbp); 1141 1142 /**************************************************************************/ 1143 /* Ping pong top and current rows of mb neigbour_params */ 1144 /**************************************************************************/ 1145 mb_neigbour_params_t *ps_nbr_mb_row; 1146 mb_neigbour_params_t *ps_cur_mb_row; 1147 mb_neigbour_params_t *ps_top_mb_row; 1148 1149 /**************************************************************************/ 1150 /* Function pointer for 16x16 and non16x16 Bs1 calculations depending on */ 1151 /* P and B slice. */ 1152 /***************************************************************************/ 1153 void (*pf_fill_bs1[2][2])(mv_pred_t *ps_cur_mv_pred, 1154 mv_pred_t *ps_top_mv_pred, 1155 void **ppv_map_ref_idx_to_poc, 1156 UWORD32 *pu4_bs_table, /* pointer to the BsTable array */ 1157 mv_pred_t *ps_leftmost_mv_pred, 1158 neighbouradd_t *ps_left_addr, 1159 void **u4_pic_addrress, 1160 WORD32 i4_ver_mvlimit); 1161 1162 void (*pf_fill_bs_xtra_left_edge[2])(UWORD32 *pu4_bs, /* Base pointer of BS table */ 1163 WORD32 u4_left_mb_t_csbp, /* left mbpair's top csbp */ 1164 WORD32 u4_left_mb_b_csbp, /* left mbpair's bottom csbp*/ 1165 WORD32 u4_cur_mb_csbp, /* csbp of current mb */ 1166 UWORD32 u4_cur_mb_bot /* is top or bottom mb */ 1167 1168 ); 1169 /* Function pointer array for BP and MP functions for MC*/ 1170 void (*p_motion_compensate)(struct _DecStruct * ps_dec, 1171 dec_mb_info_t *ps_cur_mb_info); 1172 1173 1174 void (*p_mc_dec_thread)(struct _DecStruct * ps_dec, dec_mb_info_t *ps_cur_mb_info); 1175 1176 /* Function pointer array for BP and MP functions for formMbPartInfo*/ 1177 1178 WORD32 (*p_form_mb_part_info)(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 WORD32 (*p_form_mb_part_info_thread)(pred_info_pkd_t *ps_pred_pkd, 1186 struct _DecStruct * ps_dec, 1187 UWORD16 u2_mb_x, 1188 UWORD16 u2_mb_y, 1189 WORD32 mb_index, 1190 dec_mb_info_t *ps_cur_mb_info); 1191 1192 1193 /* Required for cabac mbaff bottom mb */ 1194 UWORD32 u4_next_mb_skip; 1195 1196 void (*p_DeblockPicture[2])(struct _DecStruct *); 1197 1198 /* ! */ 1199 UWORD32 u4_ts; 1200 UWORD8 u1_flushfrm; 1201 1202 /* Output format sent by the application */ 1203 UWORD8 u1_chroma_format; 1204 UWORD8 u1_pic_decode_done; 1205 UWORD8 u1_slice_header_done; 1206 WORD32 init_done; 1207 1208 /******************************************/ 1209 /* For the high profile related variables */ 1210 /******************************************/ 1211 high_profile_tools_t s_high_profile; 1212 /* CBCR */ 1213 UWORD8 u1_qp_v_div6; 1214 UWORD8 u1_qp_v_rem6; 1215 /* 1216 * TO help solve the dangling field case. 1217 * Check for the previous frame number and the current frame number. 1218 */ 1219 UWORD16 u2_prv_frame_num; 1220 UWORD8 u1_top_bottom_decoded; 1221 UWORD8 u1_dangling_field; 1222 1223 IVD_DISPLAY_FRAME_OUT_MODE_T e_frm_out_mode; 1224 1225 UWORD8 *pu1_bits_buf_static; 1226 UWORD8 *pu1_bits_buf_dynamic; 1227 1228 UWORD32 u4_static_bits_buf_size; 1229 UWORD32 u4_dynamic_bits_buf_size; 1230 1231 UWORD32 u4_num_disp_bufs_requested; 1232 WORD32 i4_display_delay; 1233 UWORD32 u4_slice_start_code_found; 1234 1235 UWORD32 u4_nmb_deblk; 1236 UWORD32 u4_use_intrapred_line_copy; 1237 UWORD32 u4_num_mbs_prev_nmb; 1238 UWORD32 u4_num_mbs_cur_nmb; 1239 UWORD32 u4_app_deblk_disable_level; 1240 UWORD32 u4_app_disable_deblk_frm; 1241 WORD32 i4_mv_frac_mask; 1242 1243 disp_buf_t disp_bufs[MAX_DISP_BUFS_NEW]; 1244 UWORD32 u4_disp_buf_mapping[MAX_DISP_BUFS_NEW]; 1245 UWORD32 u4_disp_buf_to_be_freed[MAX_DISP_BUFS_NEW]; 1246 UWORD32 u4_share_disp_buf; 1247 UWORD32 u4_num_disp_bufs; 1248 1249 UWORD32 u4_bs_deblk_thread_created; 1250 volatile UWORD32 u4_start_recon_deblk; 1251 void *pv_bs_deblk_thread_handle; 1252 1253 UWORD32 u4_cur_bs_mb_num; 1254 UWORD32 u4_bs_cur_slice_num_mbs; 1255 UWORD32 u4_cur_deblk_mb_num; 1256 UWORD32 u4_sps_cnt_in_process; 1257 volatile UWORD16 u2_cur_slice_num_bs; 1258 1259 UWORD32 u4_deblk_mb_x; 1260 UWORD32 u4_deblk_mb_y; 1261 1262 1263 1264 iv_yuv_buf_t s_disp_frame_info; 1265 UWORD32 u4_fmt_conv_num_rows; 1266 UWORD32 u4_fmt_conv_cur_row; 1267 ivd_out_bufdesc_t *ps_out_buffer; 1268 ivd_get_display_frame_op_t s_disp_op; 1269 UWORD32 u4_output_present; 1270 1271 volatile UWORD16 cur_dec_mb_num; 1272 volatile UWORD16 cur_recon_mb_num; 1273 volatile UWORD16 u2_cur_mb_addr; 1274 WORD16 i2_dec_thread_mb_y; 1275 WORD16 i2_recon_thread_mb_y; 1276 1277 UWORD8 u1_separate_parse; 1278 UWORD32 u4_dec_thread_created; 1279 void *pv_dec_thread_handle; 1280 volatile UWORD8 *pu1_dec_mb_map; 1281 volatile UWORD8 *pu1_recon_mb_map; 1282 volatile UWORD16 *pu2_slice_num_map; 1283 dec_slice_struct_t *ps_dec_slice_buf; 1284 void *pv_map_ref_idx_to_poc_buf; 1285 dec_mb_info_t *ps_frm_mb_info; 1286 volatile dec_slice_struct_t * volatile ps_parse_cur_slice; 1287 volatile dec_slice_struct_t * volatile ps_decode_cur_slice; 1288 volatile dec_slice_struct_t * volatile ps_computebs_cur_slice; 1289 UWORD32 u4_cur_slice_decode_done; 1290 UWORD32 u4_extra_mem_used; 1291 1292 /* 2 first slice not parsed , 1 :first slice parsed , 0 :first valid slice header parsed*/ 1293 UWORD32 u4_first_slice_in_pic; 1294 UWORD32 u4_num_cores; 1295 IVD_ARCH_T e_processor_arch; 1296 IVD_SOC_T e_processor_soc; 1297 1298 /** 1299 * Pictures that are are degraded 1300 * 0 : No degrade 1301 * 1 : Only on non-reference frames 1302 * 2 : Use interval specified by u4_nondegrade_interval 1303 * 3 : All non-key frames 1304 * 4 : All frames 1305 */ 1306 WORD32 i4_degrade_pics; 1307 1308 /** 1309 * Interval for pictures which are completely decoded without any degradation 1310 */ 1311 WORD32 i4_nondegrade_interval; 1312 1313 /** 1314 * bit position (lsb is zero): Type of degradation 1315 * 1 : Disable deblocking 1316 * 2 : Faster inter prediction filters 1317 * 3 : Fastest inter prediction filters 1318 */ 1319 WORD32 i4_degrade_type; 1320 1321 /** Degrade pic count, Used to maintain the interval between non-degraded pics 1322 * 1323 */ 1324 WORD32 i4_degrade_pic_cnt; 1325 WORD32 i4_display_index; 1326 UWORD32 u4_pic_buf_got; 1327 1328 /** 1329 * Col flag and mv pred buffer manager 1330 */ 1331 void *pv_mv_buf_mgr; 1332 1333 /** 1334 * Picture buffer manager 1335 */ 1336 void *pv_pic_buf_mgr; 1337 1338 /** 1339 * Display buffer manager 1340 */ 1341 void *pv_disp_buf_mgr; 1342 1343 void *apv_buf_id_pic_buf_map[MAX_DISP_BUFS_NEW]; 1344 1345 UWORD8 au1_pic_buf_id_mv_buf_id_map[MAX_DISP_BUFS_NEW]; 1346 1347 UWORD8 au1_pic_buf_ref_flag[MAX_DISP_BUFS_NEW]; 1348 1349 struct pic_buffer_t *ps_pic_buf_base; 1350 1351 UWORD8 *pu1_ref_buff_base; 1352 col_mv_buf_t *ps_col_mv_base; 1353 void *(*pf_aligned_alloc)(void *pv_mem_ctxt, WORD32 alignment, WORD32 size); 1354 void (*pf_aligned_free)(void *pv_mem_ctxt, void *pv_buf); 1355 void *pv_mem_ctxt; 1356 1357 UWORD8 *pu1_pic_buf_base; 1358 UWORD8 *pu1_mv_bank_buf_base; 1359 UWORD8 *pu1_init_dpb_base; 1360 1361 ih264_default_weighted_pred_ft *pf_default_weighted_pred_luma; 1362 1363 ih264_default_weighted_pred_ft *pf_default_weighted_pred_chroma; 1364 1365 ih264_weighted_pred_ft *pf_weighted_pred_luma; 1366 1367 ih264_weighted_pred_ft *pf_weighted_pred_chroma; 1368 1369 ih264_weighted_bi_pred_ft *pf_weighted_bi_pred_luma; 1370 1371 ih264_weighted_bi_pred_ft *pf_weighted_bi_pred_chroma; 1372 1373 ih264_pad *pf_pad_top; 1374 ih264_pad *pf_pad_bottom; 1375 ih264_pad *pf_pad_left_luma; 1376 ih264_pad *pf_pad_left_chroma; 1377 ih264_pad *pf_pad_right_luma; 1378 ih264_pad *pf_pad_right_chroma; 1379 1380 ih264_inter_pred_chroma_ft *pf_inter_pred_chroma; 1381 1382 ih264_inter_pred_luma_ft *apf_inter_pred_luma[16]; 1383 1384 ih264_intra_pred_luma_ft *apf_intra_pred_luma_16x16[4]; 1385 1386 ih264_intra_pred_luma_ft *apf_intra_pred_luma_8x8[9]; 1387 1388 ih264_intra_pred_luma_ft *apf_intra_pred_luma_4x4[9]; 1389 1390 ih264_intra_pred_ref_filtering_ft *pf_intra_pred_ref_filtering; 1391 1392 ih264_intra_pred_chroma_ft *apf_intra_pred_chroma[4]; 1393 1394 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_4x4; 1395 1396 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_4x4_dc; 1397 1398 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_8x8; 1399 1400 ih264_iquant_itrans_recon_ft *pf_iquant_itrans_recon_luma_8x8_dc; 1401 1402 ih264_iquant_itrans_recon_chroma_ft *pf_iquant_itrans_recon_chroma_4x4; 1403 1404 ih264_iquant_itrans_recon_chroma_ft *pf_iquant_itrans_recon_chroma_4x4_dc; 1405 1406 ih264_ihadamard_scaling_ft *pf_ihadamard_scaling_4x4; 1407 1408 /** 1409 * deblock vertical luma edge with blocking strength 4 1410 */ 1411 ih264_deblk_edge_bs4_ft *pf_deblk_luma_vert_bs4; 1412 1413 /** 1414 * deblock vertical luma edge with blocking strength less than 4 1415 */ 1416 ih264_deblk_edge_bslt4_ft *pf_deblk_luma_vert_bslt4; 1417 1418 /** 1419 * deblock vertical luma edge with blocking strength 4 for mbaff 1420 */ 1421 ih264_deblk_edge_bs4_ft *pf_deblk_luma_vert_bs4_mbaff; 1422 1423 /** 1424 * deblock vertical luma edge with blocking strength less than 4 for mbaff 1425 */ 1426 ih264_deblk_edge_bslt4_ft *pf_deblk_luma_vert_bslt4_mbaff; 1427 1428 /** 1429 * deblock vertical chroma edge with blocking strength 4 1430 */ 1431 ih264_deblk_chroma_edge_bs4_ft *pf_deblk_chroma_vert_bs4; 1432 1433 /** 1434 * deblock vertical chroma edge with blocking strength less than 4 1435 */ 1436 ih264_deblk_chroma_edge_bslt4_ft *pf_deblk_chroma_vert_bslt4; 1437 1438 /** 1439 * deblock vertical chroma edge with blocking strength 4 for mbaff 1440 */ 1441 ih264_deblk_chroma_edge_bs4_ft *pf_deblk_chroma_vert_bs4_mbaff; 1442 1443 /** 1444 * deblock vertical chroma edge with blocking strength less than 4 for mbaff 1445 */ 1446 ih264_deblk_chroma_edge_bslt4_ft *pf_deblk_chroma_vert_bslt4_mbaff; 1447 1448 /** 1449 * deblock horizontal luma edge with blocking strength 4 1450 */ 1451 ih264_deblk_edge_bs4_ft *pf_deblk_luma_horz_bs4; 1452 1453 /** 1454 * deblock horizontal luma edge with blocking strength less than 4 1455 */ 1456 ih264_deblk_edge_bslt4_ft *pf_deblk_luma_horz_bslt4; 1457 1458 /** 1459 * deblock horizontal chroma edge with blocking strength 4 1460 */ 1461 ih264_deblk_chroma_edge_bs4_ft *pf_deblk_chroma_horz_bs4; 1462 1463 /** 1464 * deblock horizontal chroma edge with blocking strength less than 4 1465 */ 1466 ih264_deblk_chroma_edge_bslt4_ft *pf_deblk_chroma_horz_bslt4; 1467 1468 1469 } dec_struct_t; 1470 1471 #endif /* _H264_DEC_STRUCTS_H */ 1472