aosp12/external/libhevc/encoder/hme_globals.h

386 lines
16 KiB
C

/******************************************************************************
*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
/*!
******************************************************************************
* \file hme_globals.h
*
* \brief
* Contains all the global declarations used by HME
*
* \date
* 18/09/2012
*
* \author
* Ittiam
*
******************************************************************************
*/
#ifndef _HME_GLOBALS_H_
/*****************************************************************************/
/* File Includes */
/*****************************************************************************/
/*****************************************************************************/
/* Globals */
/*****************************************************************************/
/**
******************************************************************************
* @brief Converts an encode order to raster order x coord. Meant for 16x16
* CU within 64x64 or within 32x32
******************************************************************************
*/
extern U08 gau1_encode_to_raster_x[16];
/**
******************************************************************************
* @brief Converts an encode order to raster order y coord. Meant for 16x16
* CU within 64x64 or within 32x32
******************************************************************************
*/
extern U08 gau1_encode_to_raster_y[16];
/**
******************************************************************************
* @brief Given a CU id within the bigger CU (0..3), and the partition type
* currently within the small CU, we can figure out candidate
* partition types for bigger CU. E.g. IF CU id is 0, and is AMP of
* nLx2N, candidate partitions for bigger CU are nLx2N and 2Nx2N
******************************************************************************
*/
extern PART_TYPE_T ge_part_type_to_merge_part[4][MAX_PART_TYPES][3];
/**
******************************************************************************
* @brief A given partition type has 1,2 or 4 partitions, each corresponding
* to a unique partition id PART_ID_T enum type. So, this global converts
* partition type to a bitmask of corresponding partition ids.
******************************************************************************
*/
extern S32 gai4_part_type_to_part_mask[MAX_PART_TYPES];
/**
******************************************************************************
* @brief Reads out the index of function pointer to a sad_compute function
* of blk given a blk size enumeration
******************************************************************************
*/
extern U08 gau1_blk_size_to_fp[NUM_BLK_SIZES];
/**
******************************************************************************
* @brief Reads out the width of blk given a blk size enumeration
******************************************************************************
*/
extern U08 gau1_blk_size_to_wd[NUM_BLK_SIZES];
extern U08 gau1_blk_size_to_wd_shift[NUM_BLK_SIZES];
/**
******************************************************************************
* @brief Reads out the height of blk given a blk size enumeration
******************************************************************************
*/
extern U08 gau1_blk_size_to_ht[NUM_BLK_SIZES];
/**
******************************************************************************
* @brief Given a minimum pt enum in a 3x3 grid, reads out the list of active
* search pts in next iteration as a bit-mask, eliminating need to search
* pts that have already been searched in this iteration.
******************************************************************************
*/
extern S32 gai4_opt_grid_mask[NUM_GRID_PTS];
/**
******************************************************************************
* @brief Given a minimum pt enum in a 3x3 grid, reads out the x offset of
* the min pt relative to center assuming step size of 1
******************************************************************************
*/
extern S08 gai1_grid_id_to_x[NUM_GRID_PTS];
/**
******************************************************************************
* @brief Given a minimum pt enum in a 3x3 grid, reads out the y offset of
* the min pt relative to center assuming step size of 1
******************************************************************************
*/
extern S08 gai1_grid_id_to_y[NUM_GRID_PTS];
/**
******************************************************************************
* @brief Lookup of the blk size enum, given a specific partition and cu size
******************************************************************************
*/
extern BLK_SIZE_T ge_part_id_to_blk_size[NUM_CU_SIZES][TOT_NUM_PARTS];
/**
******************************************************************************
* @brief For a given partition split, find number of partitions
******************************************************************************
*/
extern U08 gau1_num_parts_in_part_type[MAX_PART_TYPES];
/**
******************************************************************************
* @brief For a given partition split, returns the enumerations of specific
* partitions in raster order. E.g. for PART_2NxN, part id 0 is
* PART_ID_2NxN_T and part id 1 is PART_ID_2NxN_B
******************************************************************************
*/
extern PART_ID_T ge_part_type_to_part_id[MAX_PART_TYPES][MAX_NUM_PARTS];
/**
******************************************************************************
* @brief For a given partition id, returs the rectangular position and size
* of partition within cu relative ot cu start.
******************************************************************************
*/
extern part_attr_t gas_part_attr_in_cu[TOT_NUM_PARTS];
/**
******************************************************************************
* @brief Gives the CU type enumeration given a blk size.
******************************************************************************
*/
extern CU_SIZE_T ge_blk_size_to_cu_size[NUM_BLK_SIZES];
/**
******************************************************************************
* @brief Given a minimum pt enum in a diamond grid, reads out the list
* of active search pts in next iteration as a bit-mask, eliminating need
* to search pts that have already been searched in this iteration.
******************************************************************************
*/
extern S32 gai4_opt_grid_mask_diamond[5];
/**
******************************************************************************
* @brief Given a minimum pt enum in a 9 point grid, reads out the list
* of active search pts in next iteration as a bit-mask, eliminating need
* to search pts that have already been searched in this iteration.
******************************************************************************
*/
extern S32 gai4_opt_grid_mask_conventional[9];
/**
******************************************************************************
* @brief Given a raster coord x, y, this aray returns the CU id in encoding
* order. Indexed as [y][x]
******************************************************************************
*/
extern U08 gau1_cu_id_raster_to_enc[4][4];
/**
******************************************************************************
* @brief Given a CU size, this array returns blk size enum
******************************************************************************
*/
extern BLK_SIZE_T ge_cu_size_to_blk_size[NUM_CU_SIZES];
/**
******************************************************************************
* @brief Given a part type, returns whether the part type is vertically
* oriented.
******************************************************************************
*/
extern U08 gau1_is_vert_part[MAX_PART_TYPES];
/**
******************************************************************************
* @brief Given a partition, returns the number of best results to consider
* for full pell refinement.
******************************************************************************
*/
extern U08 gau1_num_best_results_PQ[TOT_NUM_PARTS];
extern U08 gau1_num_best_results_HQ[TOT_NUM_PARTS];
extern U08 gau1_num_best_results_MS[TOT_NUM_PARTS];
extern U08 gau1_num_best_results_HS[TOT_NUM_PARTS];
extern U08 gau1_num_best_results_XS[TOT_NUM_PARTS];
extern U08 gau1_num_best_results_XS25[TOT_NUM_PARTS];
/**
******************************************************************************
* @brief gau1_cu_tr_valid[y][x] returns the validity of a top rt candt for
* CU with raster id x, y within CTB. Valid for 16x16 CUs and above
******************************************************************************
*/
extern U08 gau1_cu_tr_valid[4][4];
/**
******************************************************************************
* @brief gau1_cu_tr_valid[y][x] returns the validity of a bot lt candt for
* CU with raster id x, y within CTB. Valid for 16x16 CUs and above
******************************************************************************
*/
extern U08 gau1_cu_bl_valid[4][4];
/**
******************************************************************************
* @brief Returns the validity of top rt candt for a given part id, will not
* be valid if tr of a part pts to a non causal neighbour like 16x8B
******************************************************************************
*/
extern U08 gau1_partid_tr_valid[TOT_NUM_PARTS];
/**
******************************************************************************
* @brief Returns the validity of bottom left cant for given part id, will
* not be valid, if bl of a part pts to a non causal neighbour like 8x16R
******************************************************************************
*/
extern U08 gau1_partid_bl_valid[TOT_NUM_PARTS];
/**
******************************************************************************
* @brief The number of partition id in the CU, e.g. PART_ID_16x8_B is 2nd
******************************************************************************
*/
extern U08 gau1_part_id_to_part_num[TOT_NUM_PARTS];
/**
******************************************************************************
* @brief Returns partition type for a given partition id, e.g.
* PART_ID_16x8_B returns PRT_TYPE_16x8
******************************************************************************
*/
extern PART_TYPE_T ge_part_id_to_part_type[TOT_NUM_PARTS];
/**
******************************************************************************
* @brief given raster id x, y of 8x8 blk in 64x64 CTB, return the enc order
******************************************************************************
*/
extern U08 gau1_8x8_cu_id_raster_to_enc[8][8];
/**
******************************************************************************
* @brief Return the bits for a given partition id which gets added to the
* cost. Although the bits are for a given partition type, we add off the
* bits per partition while computing mv cost. For example, if the bits for
* 2NxN part type is 3, we add 1.5 bits for 2NxN_T and 1.5 for 2NxN_B.
* Hence this is stored in Q1 format
******************************************************************************
*/
extern U08 gau1_bits_for_part_id_q1[TOT_NUM_PARTS];
/**
******************************************************************************
* @brief Returns 1 if there are qpel points to the top and bottom of the
* current point
******************************************************************************
*/
extern S32 gai4_2pt_qpel_interpol_possible_vert[4][4];
/**
******************************************************************************
* @brief Returns 1 if there are qpel points to the left and right of the
* current point
******************************************************************************
*/
extern S32 gai4_2pt_qpel_interpol_possible_horz[4][4];
/**
******************************************************************************
* @brief For a given partition split, num bits to encode the partition type
* and split cu,tu bits; assuming one bin equal to one bit for now
******************************************************************************
*/
extern U08 gau1_num_bits_for_part_type[MAX_PART_TYPES];
/**
******************************************************************************
* @brief Used exclusively in the Intrinsics version of the function
* 'hme_combine_4x4_sads_and_compute_cost_high_speed' instead
* of calling get_range()
******************************************************************************
*/
extern S16 gi2_mvy_range[MAX_MVY_SUPPORTED_IN_COARSE_LAYER + 1][8];
/**
******************************************************************************
* @brief Used exclusively in the Intrinsics version of the function
* 'hme_combine_4x4_sads_and_compute_cost_high_speed' instead
* of calling get_range()
******************************************************************************
*/
extern S16 gi2_mvx_range[MAX_MVX_SUPPORTED_IN_COARSE_LAYER * 2 + 1][8];
extern S32 gai4_select_qpel_function_vert[4][16];
extern S32 gai4_select_qpel_function_horz[4][16];
extern S32 gai4_partition_area[TOT_NUM_PARTS];
extern const U08 gau1_search_cand_priority_in_l1_and_l2_me[2][NUM_SEARCH_CAND_TYPES];
/* 12 cases are - */
/* case 0 - P picture, num_refs=1, 4x4 in L1ME = 0 */
/* case 1 - P picture, num_refs=1, 4x4 in L1ME = 1 */
/* case 2 - P picture, num_refs=2, 4x4 in L1ME = 0 */
/* case 3 - P picture, num_refs=2, 4x4 in L1ME = 1 */
/* case 4 - P picture, num_refs=3, 4x4 in L1ME = 0 */
/* case 5 - P picture, num_refs=3, 4x4 in L1ME = 1 */
/* case 6 - P picture, num_refs=3, 4x4 in L1ME = 0 */
/* case 7 - P picture, num_refs=3, 4x4 in L1ME = 1 */
/* case 8 - B picture, num_refs=1, 4x4 in L1ME = 0 */
/* case 9 - B picture, num_refs=1, 4x4 in L1ME = 1 */
/* case 10 - B picture, num_refs=2, 4x4 in L1ME = 0 */
/* case 11 - B picture, num_refs=2, 4x4 in L1ME = 1 */
extern const U08 gau1_search_cand_priority_in_l0_me[12][NUM_SEARCH_CAND_TYPES];
extern const SEARCH_CANDIDATE_TYPE_T
gae_search_cand_priority_to_search_cand_type_map_in_l0_me[12][NUM_SEARCH_CAND_TYPES];
extern const U08 gau1_max_num_search_cands_in_l0_me[12];
extern const SEARCH_CAND_LOCATIONS_T gae_search_cand_type_to_location_map[NUM_SEARCH_CAND_TYPES];
extern const S08 gai1_search_cand_type_to_result_id_map[NUM_SEARCH_CAND_TYPES];
extern const U08 gau1_search_cand_type_to_spatiality_map[NUM_SEARCH_CAND_TYPES];
extern const S32 gai4_search_cand_location_to_x_offset_map[NUM_SEARCH_CAND_LOCATIONS];
extern const S32 gai4_search_cand_location_to_y_offset_map[NUM_SEARCH_CAND_LOCATIONS];
/**
******************************************************************************
* @brief Used exclusively in the Intrinsics version of the function
* 'hme_combine_4x4_sads_and_compute_cost_high_quality' instead
* of calling get_range()
******************************************************************************
*/
extern S16 gi2_mvx_range_high_quality[MAX_MVX_SUPPORTED_IN_COARSE_LAYER * 2 + 1][8];
extern const S16 gai2_mvx_range_mapping[8193][8];
extern const S16 gai2_mvy_range_mapping[4097][8];
extern const S16 gai2_set_best_cost_max[8][8];
extern const S08 gai1_mv_adjust[8][2];
extern const S08 gai1_mv_offsets_from_center_in_rect_grid[NUM_POINTS_IN_RECTANGULAR_GRID][2];
#endif /* #ifndef _HME_GLOBALS_H_*/