| /****************************************************************************** |
| * |
| * 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 ihevce_global_tables.c |
| * |
| * @brief |
| * This file contains definitions of global tables used by the encoder |
| * |
| * @author |
| * Ittiam |
| * |
| ****************************************************************************** |
| */ |
| |
| /*****************************************************************************/ |
| /* File Includes */ |
| /*****************************************************************************/ |
| /* System include files */ |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| #include <stdarg.h> |
| #include <math.h> |
| |
| /* User include files */ |
| #include "ihevc_typedefs.h" |
| #include "itt_video_api.h" |
| #include "ihevce_api.h" |
| |
| #include "rc_cntrl_param.h" |
| #include "rc_frame_info_collector.h" |
| #include "rc_look_ahead_params.h" |
| |
| #include "ihevc_defs.h" |
| #include "ihevc_structs.h" |
| #include "ihevc_platform_macros.h" |
| #include "ihevc_deblk.h" |
| #include "ihevc_itrans_recon.h" |
| #include "ihevc_chroma_itrans_recon.h" |
| #include "ihevc_chroma_intra_pred.h" |
| #include "ihevc_intra_pred.h" |
| #include "ihevc_inter_pred.h" |
| #include "ihevc_mem_fns.h" |
| #include "ihevc_padding.h" |
| #include "ihevc_weighted_pred.h" |
| #include "ihevc_sao.h" |
| #include "ihevc_resi_trans.h" |
| #include "ihevc_quant_iquant_ssd.h" |
| #include "ihevc_cabac_tables.h" |
| |
| #include "ihevce_defs.h" |
| #include "ihevce_lap_enc_structs.h" |
| #include "ihevce_multi_thrd_structs.h" |
| #include "ihevce_multi_thrd_funcs.h" |
| #include "ihevce_me_common_defs.h" |
| #include "ihevce_had_satd.h" |
| #include "ihevce_error_codes.h" |
| #include "ihevce_bitstream.h" |
| #include "ihevce_cabac.h" |
| #include "ihevce_rdoq_macros.h" |
| #include "ihevce_function_selector.h" |
| #include "ihevce_enc_structs.h" |
| #include "ihevce_cmn_utils_instr_set_router.h" |
| #include "hme_datatype.h" |
| #include "hme_common_defs.h" |
| #include "hme_common_utils.h" |
| #include "hme_interface.h" |
| #include "hme_defs.h" |
| #include "ihevce_me_instr_set_router.h" |
| #include "hme_err_compute.h" |
| #include "hme_globals.h" |
| #include "ihevce_entropy_structs.h" |
| #include "ihevce_enc_loop_structs.h" |
| #include "ihevce_enc_loop_utils.h" |
| #include "ihevce_enc_loop_pass.h" |
| #include "ihevce_global_tables.h" |
| |
| /*****************************************************************************/ |
| /* Globals */ |
| /*****************************************************************************/ |
| const level_data_t g_as_level_data[TOTAL_NUM_LEVELS] = { |
| /* LEVEL1 */ |
| { LEVEL1, 552960, 36864, { 128, 0 }, { 350, 0 }, 2, 16, 1, 1 }, |
| |
| /* LEVEL2 */ |
| { LEVEL2, 3686400, 122880, { 1500, 0 }, { 1500, 0 }, 2, 16, 1, 1 }, |
| |
| /* LEVEL2_1 */ |
| { LEVEL2_1, 7372800, 245760, { 3000, 0 }, { 3000, 0 }, 2, 20, 1, 1 }, |
| |
| /* LEVEL3 */ |
| { LEVEL3, 16588800, 552960, { 6000, 0 }, { 6000, 0 }, 2, 30, 2, 2 }, |
| |
| /* LEVEL3_1 */ |
| { LEVEL3_1, 33177600, 983040, { 10000, 0 }, { 10000, 0 }, 2, 40, 3, 3 }, |
| |
| /* LEVEL4 */ |
| { LEVEL4, 66846720, 2228224, { 12000, 30000 }, { 12000, 30000 }, 4, 75, 5, 5 }, |
| |
| /* LEVEL4_1 */ |
| { LEVEL4_1, 133693440, 2228224, { 20000, 50000 }, { 20000, 50000 }, 4, 75, 5, 5 }, |
| |
| /* LEVEL5 */ |
| { LEVEL5, 267386880, 8912896, { 25000, 100000 }, { 25000, 100000 }, 6, 200, 11, 10 }, |
| |
| /* LEVEL5_1 */ |
| { LEVEL5_1, 534773760, 8912896, { 40000, 160000 }, { 40000, 160000 }, 8, 200, 11, 10 }, |
| |
| /* LEVEL5_2 */ |
| { LEVEL5_2, 1069547520, 8912896, { 60000, 240000 }, { 60000, 240000 }, 8, 200, 11, 10 }, |
| |
| /* LEVEL6 */ |
| { LEVEL6, 1069547520, 35651584, { 60000, 240000 }, { 60000, 240000 }, 8, 600, 22, 20 }, |
| |
| /* LEVEL6_1 */ |
| { LEVEL6_1, 2139095040, 35651584, { 120000, 480000 }, { 120000, 480000 }, 8, 600, 22, 20 }, |
| |
| /* LEVEL6_2 */ |
| { LEVEL6_2, 4278190080, 35651584, { 240000, 800000 }, { 240000, 800000 }, 6, 600, 22, 20 }, |
| |
| }; |
| |
| /** \brief Default flat Scaling matrix for 4x4 transform */ |
| const WORD16 gi2_flat_scale_mat_4x4[] = { 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16 }; |
| |
| /** \brief Default flat Scaling matrix for 8x8 transform */ |
| const WORD16 gi2_flat_scale_mat_8x8[] = { 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 }; |
| |
| /** \brief Default flat Scaling matrix for 16x16 transform */ |
| const WORD16 gi2_flat_scale_mat_16x16[] = { |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 |
| }; |
| |
| /** \brief Default flat ReScaling matrix for 4x4 transform */ |
| const WORD16 gi2_flat_rescale_mat_4x4[] = { 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048 }; |
| |
| /** \brief Default flat ReScaling matrix for 8x8 transform */ |
| const WORD16 gi2_flat_rescale_mat_8x8[] = { |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048 |
| }; |
| |
| /** \brief Default flat ReScaling matrix for 16x16 transform */ |
| const WORD16 gi2_flat_rescale_mat_16x16[] = { |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, |
| 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048 |
| }; |
| |
| /** |
| * @brief Give the scanning order of csb in a 32x32 TU |
| * based on first idx. 0 - upright_diagonal, 1 - horizontal, 2 - vertical scan |
| */ |
| const UWORD8 g_u1_scan_table_8x8[3][64] = { |
| /* diag up right scan */ |
| { 0, 8, 1, 16, 9, 2, 24, 17, 10, 3, 32, 25, 18, 11, 4, 40, 33, 26, 19, 12, 5, 48, |
| 41, 34, 27, 20, 13, 6, 56, 49, 42, 35, 28, 21, 14, 7, 57, 50, 43, 36, 29, 22, 15, 58, |
| 51, 44, 37, 30, 23, 59, 52, 45, 38, 31, 60, 53, 46, 39, 61, 54, 47, 62, 55, 63 }, |
| |
| /* horizontal scan */ |
| { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, |
| 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, |
| 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63 }, |
| |
| /* vertical scan */ |
| { 0, 8, 16, 24, 32, 40, 48, 56, 1, 9, 17, 25, 33, 41, 49, 57, 2, 10, 18, 26, 34, 42, |
| 50, 58, 3, 11, 19, 27, 35, 43, 51, 59, 4, 12, 20, 28, 36, 44, 52, 60, 5, 13, 21, 29, |
| 37, 45, 53, 61, 6, 14, 22, 30, 38, 46, 54, 62, 7, 15, 23, 31, 39, 47, 55, 63 } |
| }; |
| |
| /** |
| * @brief Give the scanning order of csb in a 16x16 TU or 4x4 csb |
| * based on first idx. 0 - upright_diagonal, 1 - horizontal, 2 - vertical scan |
| */ |
| const UWORD8 g_u1_scan_table_4x4[3][16] = { |
| /* diag up right scan */ |
| { 0, 4, 1, 8, 5, 2, 12, 9, 6, 3, 13, 10, 7, 14, 11, 15 }, |
| |
| /* horizontal scan */ |
| { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, |
| |
| /* vertical scan */ |
| { 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 } |
| }; |
| |
| /** |
| * @brief Give the scanning order of csb in a 8x8 TU |
| * based on first idx. 0 - upright_diagonal, 1 - horizontal, 2 - vertical scan |
| */ |
| const UWORD8 g_u1_scan_table_2x2[3][4] = { |
| /* diag up right scan */ |
| { 0, 2, 1, 3 }, |
| |
| /* horizontal scan */ |
| { 0, 1, 2, 3 }, |
| |
| /* vertical scan */ |
| { 0, 2, 1, 3 } |
| }; |
| |
| /** |
| * @brief Give the scanning order of csb in a 4x4 TU |
| * scan idx. doesn't matter as it's 0 for all cases |
| */ |
| const UWORD8 g_u1_scan_table_1x1[1] = { 0 }; |
| |
| /** |
| ****************************************************************************** |
| * @brief For a given frac pt, fracx, fracy, this module figures out the |
| * corresponding fpel/hpel buffers along with x and y offsets if any. The |
| * grid used is shown as follows: |
| * A j E k B |
| * l m n o p |
| * F q G r H |
| * s t u v w |
| * C x I y D |
| * |
| * In this grid capital letters are fpel/hpel bufs. |
| ****************************************************************************** |
| */ |
| qpel_input_buf_cfg_t gas_qpel_inp_buf_cfg[4][4] = { |
| { |
| /* 0, 0 pt: both buf id would be fxfy = 0 */ |
| { 0, 0, 0, 0, 0, 0 }, |
| /* 1, 0 pt: pt j; avg of A and E */ |
| { 0, 0, 0, 1, 0, 0 }, |
| /* 2, 0 pt: pt E, buf id 0 and 1 would be hxfy = 1 */ |
| { 1, 0, 0, 1, 0, 0 }, |
| /* 3, 0 pt: pt k, avg of E and B */ |
| { 1, 0, 0, 0, 1, 0 }, |
| }, |
| { |
| /* 0, 1 pt: pt l: avg of A and F */ |
| { 0, 0, 0, 2, 0, 0 }, |
| /* 1, 1 pt: pt m : avg of E and F */ |
| { 1, 0, 0, 2, 0, 0 }, |
| /* 2, 2 pt: pt n: avg of E and G */ |
| { 1, 0, 0, 3, 0, 0 }, |
| /* 3, 2 pt : pt o: avg of E and H */ |
| { 1, 0, 0, 2, 1, 0 }, |
| }, |
| { |
| /* 0, 2 pt: pt F; both buf id would be fxhy = 2 */ |
| { 2, 0, 0, 2, 0, 0 }, |
| /* 1, 2 pt: pt q; avg of F and G */ |
| { 2, 0, 0, 3, 0, 0 }, |
| /* 2, 2 pt: pt G: both buf id would be hxhy = 3 */ |
| { 3, 0, 0, 3, 0, 0 }, |
| /* 2, 3 pt: pt r: avg of G and H */ |
| { 3, 0, 0, 2, 1, 0 }, |
| }, |
| { |
| /* 0, 3 pt: pt s; avg of F and C */ |
| { 2, 0, 0, 0, 0, 1 }, |
| /* 1, 3 ot: pt t; avg of F and I */ |
| { 2, 0, 0, 1, 0, 1 }, |
| /* 2, 3 pt: pt u, avg of G and I */ |
| { 3, 0, 0, 1, 0, 1 }, |
| /* 3, 3 pt; pt v, avg of H and I */ |
| { 2, 1, 0, 1, 0, 1 }, |
| } |
| }; |
| |
| /** |
| * @brief is partition vertical |
| */ |
| const WORD8 gai1_is_part_vertical[TOT_NUM_PARTS] = { 0, 1, 1, 0, 0, 0, 0, 0, 0, |
| 1, 1, 1, 1, 0, 0, 0, 0 }; |
| |
| /** |
| * @brief partition dimensions |
| */ |
| const WORD8 gai1_part_wd_and_ht[TOT_NUM_PARTS][2] = { { 16, 16 }, { 16, 8 }, { 16, 8 }, { 8, 16 }, |
| { 8, 16 }, { 8, 8 }, { 8, 8 }, { 8, 8 }, |
| { 8, 8 }, { 16, 4 }, { 16, 12 }, { 16, 12 }, |
| { 16, 4 }, { 4, 16 }, { 12, 16 }, { 12, 16 }, |
| { 4, 16 } }; |
| |
| /** |
| ****************************************************************************** |
| * @brief bits to code given ref id assuming more than 2 ref ids active |
| ****************************************************************************** |
| */ |
| UWORD8 gau1_ref_bits[16] = { 1, 3, 3, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, 7, 9 }; |
| |
| /** |
| * @brief raster to zscan lookup table |
| */ |
| const UWORD8 gau1_ctb_raster_to_zscan[256] = { |
| 0, 1, 4, 5, 16, 17, 20, 21, 64, 65, 68, 69, 80, 81, 84, 85, 2, 3, 6, |
| 7, 18, 19, 22, 23, 66, 67, 70, 71, 82, 83, 86, 87, 8, 9, 12, 13, 24, 25, |
| 28, 29, 72, 73, 76, 77, 88, 89, 92, 93, 10, 11, 14, 15, 26, 27, 30, 31, 74, |
| 75, 78, 79, 90, 91, 94, 95, 32, 33, 36, 37, 48, 49, 52, 53, 96, 97, 100, 101, |
| 112, 113, 116, 117, 34, 35, 38, 39, 50, 51, 54, 55, 98, 99, 102, 103, 114, 115, 118, |
| 119, 40, 41, 44, 45, 56, 57, 60, 61, 104, 105, 108, 109, 120, 121, 124, 125, 42, 43, |
| 46, 47, 58, 59, 62, 63, 106, 107, 110, 111, 122, 123, 126, 127, 128, 129, 132, 133, 144, |
| 145, 148, 149, 192, 193, 196, 197, 208, 209, 212, 213, 130, 131, 134, 135, 146, 147, 150, 151, |
| 194, 195, 198, 199, 210, 211, 214, 215, 136, 137, 140, 141, 152, 153, 156, 157, 200, 201, 204, |
| 205, 216, 217, 220, 221, 138, 139, 142, 143, 154, 155, 158, 159, 202, 203, 206, 207, 218, 219, |
| 222, 223, 160, 161, 164, 165, 176, 177, 180, 181, 224, 225, 228, 229, 240, 241, 244, 245, 162, |
| 163, 166, 167, 178, 179, 182, 183, 226, 227, 230, 231, 242, 243, 246, 247, 168, 169, 172, 173, |
| 184, 185, 188, 189, 232, 233, 236, 237, 248, 249, 252, 253, 170, 171, 174, 175, 186, 187, 190, |
| 191, 234, 235, 238, 239, 250, 251, 254, 255 |
| }; |
| |
| /** |
| * @brief <Fill me> |
| */ |
| UWORD32 gau4_frame_qstep_multiplier[54] = { 16, 16, 16, 15, 15, 15, 15, 15, 15, 13, 13, 13, 13, 12, |
| 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 7, 7, 7, 6, |
| 6, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
| |
| /** |
| ****************************************************************************** |
| * @brief Look up table for choosing the appropriate function for |
| * Intra prediction |
| * |
| * @remarks Same look up table enums are used for luma & chroma but each |
| * have seperate functions implemented |
| ****************************************************************************** |
| */ |
| WORD32 g_i4_ip_funcs[MAX_NUM_IP_MODES] = { |
| IP_FUNC_MODE_0, /* Mode 0 */ |
| IP_FUNC_MODE_1, /* Mode 1 */ |
| IP_FUNC_MODE_2, /* Mode 2 */ |
| IP_FUNC_MODE_3TO9, /* Mode 3 */ |
| IP_FUNC_MODE_3TO9, /* Mode 4 */ |
| IP_FUNC_MODE_3TO9, /* Mode 5 */ |
| IP_FUNC_MODE_3TO9, /* Mode 6 */ |
| IP_FUNC_MODE_3TO9, /* Mode 7 */ |
| IP_FUNC_MODE_3TO9, /* Mode 8 */ |
| IP_FUNC_MODE_3TO9, /* Mode 9 */ |
| IP_FUNC_MODE_10, /* Mode 10 */ |
| IP_FUNC_MODE_11TO17, /* Mode 11 */ |
| IP_FUNC_MODE_11TO17, /* Mode 12 */ |
| IP_FUNC_MODE_11TO17, /* Mode 13 */ |
| IP_FUNC_MODE_11TO17, /* Mode 14 */ |
| IP_FUNC_MODE_11TO17, /* Mode 15 */ |
| IP_FUNC_MODE_11TO17, /* Mode 16 */ |
| IP_FUNC_MODE_11TO17, /* Mode 17 */ |
| IP_FUNC_MODE_18_34, /* Mode 18 */ |
| IP_FUNC_MODE_19TO25, /* Mode 19 */ |
| IP_FUNC_MODE_19TO25, /* Mode 20 */ |
| IP_FUNC_MODE_19TO25, /* Mode 21 */ |
| IP_FUNC_MODE_19TO25, /* Mode 22 */ |
| IP_FUNC_MODE_19TO25, /* Mode 23 */ |
| IP_FUNC_MODE_19TO25, /* Mode 24 */ |
| IP_FUNC_MODE_19TO25, /* Mode 25 */ |
| IP_FUNC_MODE_26, /* Mode 26 */ |
| IP_FUNC_MODE_27TO33, /* Mode 27 */ |
| IP_FUNC_MODE_27TO33, /* Mode 26 */ |
| IP_FUNC_MODE_27TO33, /* Mode 29 */ |
| IP_FUNC_MODE_27TO33, /* Mode 30 */ |
| IP_FUNC_MODE_27TO33, /* Mode 31 */ |
| IP_FUNC_MODE_27TO33, /* Mode 32 */ |
| IP_FUNC_MODE_27TO33, /* Mode 33 */ |
| IP_FUNC_MODE_18_34, /* Mode 34 */ |
| }; |
| |
| /** |
| ****************************************************************************** |
| * @brief Look up table for calculating the TU size for all the TUs in a CU |
| * if CU part mode is one of SIZE_2Nx2N, SIZE_2NxN, SIZE_Nx2N |
| * |
| * i ranging (0 to 3) |
| * tu_size[i] = cu_size >> gau1_inter_tu_shft_amt[i]; |
| * |
| * @remarks For non AMP cases only TU size = CU/2 is used |
| * and number of TU partitions in these CU will be 4 |
| ****************************************************************************** |
| */ |
| UWORD8 gau1_inter_tu_shft_amt[4] = { |
| /* SIZE_2Nx2N, SIZE_2NxN, SIZE_Nx2N cases */ |
| 1, |
| 1, |
| 1, |
| 1 |
| }; |
| |
| /** |
| ****************************************************************************** |
| * @brief Look up table for calculating the TU size for all the TUs in a CU |
| * if CU part mode is one of SIZE_2NxnU, SIZE_2NxnD, SIZE_nLx2N |
| * SIZE_nRx2N (AMP motion partition cases) |
| * |
| * part_mode = {SIZE_2NxnU,SIZE_2NxnD,SIZE_nLx2N,SIZE_nRx2N} |
| * i ranging (0 to 9) |
| * tu_size[i] = cu_size >> gau1_inter_tu_shft_amt_amp[part_mode-4][i]; |
| * |
| * @remarks For AMP cases a mixture of TU size = CU/2 & CU/4 is used |
| * based on motion partition orientation, number of TU partitions |
| * in these CU will be 10 |
| ****************************************************************************** |
| */ |
| UWORD8 gau1_inter_tu_shft_amt_amp[4][10] = { |
| /* SIZE_2NxnU case */ |
| { 2, 2, 2, 2, 2, 2, 2, 2, 1, 1 }, |
| |
| /* SIZE_2NxnD case */ |
| { 1, 1, 2, 2, 2, 2, 2, 2, 2, 2 }, |
| |
| /* SIZE_nLx2N case */ |
| { 2, 2, 2, 2, 1, 2, 2, 2, 2, 1 }, |
| |
| /* SIZE_nRx2N case */ |
| { 1, 2, 2, 2, 2, 1, 2, 2, 2, 2 } |
| }; |
| |
| /** |
| ****************************************************************************** |
| * @brief Look up table for calculating the TU position in horizontal |
| * for all the TUs in a CU, if CU part mode is one of |
| * SIZE_2Nx2N, SIZE_2NxN, SIZE_Nx2N |
| * |
| * i ranging (0 to 3) |
| * tu_posx[i](in pixels in cu) = |
| * ((cusize >> 2) * gau1_inter_tu_posx_scl_amt[i]); |
| ****************************************************************************** |
| */ |
| UWORD8 gau1_inter_tu_posx_scl_amt[4] = { |
| /* SIZE_2Nx2N, SIZE_2NxN, SIZE_Nx2N cases */ |
| 0, |
| 2, |
| 0, |
| 2 |
| }; |
| |
| /** |
| ****************************************************************************** |
| * @brief Look up table for calculating the TU position in horizontal |
| * for all the TUs in a CU, if CU part mode is one of |
| * SIZE_2NxnU, SIZE_2NxnD, SIZE_nLx2N,SIZE_nRx2N (AMP motion partition cases) |
| * |
| * part_mode = {SIZE_2NxnU,SIZE_2NxnD,SIZE_nLx2N,SIZE_nRx2N} |
| * i ranging (0 to 9) |
| * tu_posx[i](in pixels in cu) = |
| * ((cusize >> 2) * gau1_inter_tu_posx_scl_amt_amp[part_mode-4][i]); |
| ****************************************************************************** |
| */ |
| UWORD8 gau1_inter_tu_posx_scl_amt_amp[4][10] = { |
| /* SIZE_2NxnU case */ |
| { 0, 1, 0, 1, 2, 3, 2, 3, 0, 2 }, |
| |
| /* SIZE_2NxnD case */ |
| { 0, 2, 0, 1, 0, 1, 2, 3, 2, 3 }, |
| |
| /* SIZE_nLx2N case */ |
| { 0, 1, 0, 1, 2, 0, 1, 0, 1, 2 }, |
| |
| /* SIZE_nRx2N case */ |
| { 0, 2, 3, 2, 3, 0, 2, 3, 2, 3 } |
| }; |
| |
| /** |
| ****************************************************************************** |
| * @brief Look up table for calculating the TU position in vertical |
| * for all the TUs in a CU, if CU part mode is one of |
| * SIZE_2Nx2N, SIZE_2NxN, SIZE_Nx2N |
| * |
| * i ranging (0 to 3) |
| * tu_posy[i](in pixels in cu) = |
| * ((cusize >> 2) * gau1_inter_tu_posy_scl_amt[i]); |
| ****************************************************************************** |
| */ |
| UWORD8 gau1_inter_tu_posy_scl_amt[4] = { |
| /* SIZE_2Nx2N, SIZE_2NxN, SIZE_Nx2N cases */ |
| 0, |
| 0, |
| 2, |
| 2 |
| }; |
| |
| /** |
| ****************************************************************************** |
| * @brief Look up table for calculating the TU position in vertical |
| * for all the TUs in a CU, if CU part mode is one of |
| * SIZE_2NxnU, SIZE_2NxnD, SIZE_nLx2N,SIZE_nRx2N (AMP motion partition cases) |
| * |
| * part_mode = {SIZE_2NxnU,SIZE_2NxnD,SIZE_nLx2N,SIZE_nRx2N} |
| * i ranging (0 to 9) |
| * tu_posy[i](in pixels in cu) = |
| * ((cusize >> 2) * gau1_inter_tu_posy_scl_amt_amp[part_mode-4][i]); |
| ****************************************************************************** |
| */ |
| UWORD8 gau1_inter_tu_posy_scl_amt_amp[4][10] = { |
| /* SIZE_2NxnU case */ |
| { 0, 0, 1, 1, 0, 0, 1, 1, 2, 2 }, |
| |
| /* SIZE_2NxnD case */ |
| { 0, 0, 2, 2, 3, 3, 2, 2, 3, 3 }, |
| |
| /* SIZE_nLx2N case */ |
| { 0, 0, 1, 1, 0, 2, 2, 3, 3, 2 }, |
| |
| /* SIZE_nRx2N case */ |
| { 0, 0, 0, 1, 1, 2, 2, 2, 3, 3 } |
| }; |
| |
| /** |
| * @brief transform shift. Initialized in ihevce_enc_loop_init() |
| */ |
| WORD32 ga_trans_shift[5]; |
| |
| /** |
| * @brief chroma 422 intra angle mapping |
| */ |
| const UWORD8 gau1_chroma422_intra_angle_mapping[36] = { |
| 0, 1, 2, 2, 2, 2, 3, 5, 7, 8, 10, 12, 13, 15, 17, 18, 19, 20, |
| 21, 22, 23, 23, 24, 24, 25, 25, 26, 27, 27, 28, 28, 29, 29, 30, 31, DM_CHROMA_IDX |
| }; |
| |
| // clang-format off |
| /** |
| ****************************************************************************** |
| * @breif LUT for returning the fractional bits(Q12) to encode a bin based on |
| * probability state and the encoded bin (MPS / LPS). The fractional |
| * bits are computed as -log2(probabililty of symbol) |
| * |
| * Probabilites of the cabac states (0-63) are explained in section C |
| * of ieee paper by Detlev Marpe et al (VOL. 13, NO. 7, JULY 2003) |
| * alpha = (0.01875/0.5) ^ (1/63), p0 = 0.5 and p63 = 0.01875 |
| * |
| * Note that HEVC and AVC use the same cabac tables |
| * |
| * input : curpState[bits7-1] | (curMPS ^ encoded bin)[bit0] |
| * |
| * output : fractionnal bits to encode the bin |
| * |
| ****************************************************************************** |
| */ |
| UWORD16 gau2_ihevce_cabac_bin_to_bits[64 * 2] = |
| { |
| /* bits for mps */ /* bits for lps */ |
| ROUND_Q12(1.000000000), ROUND_Q12(1.000000000), |
| ROUND_Q12(0.928535439), ROUND_Q12(1.075189930), |
| ROUND_Q12(0.863825936), ROUND_Q12(1.150379860), |
| ROUND_Q12(0.804976479), ROUND_Q12(1.225569790), |
| ROUND_Q12(0.751252392), ROUND_Q12(1.300759720), |
| ROUND_Q12(0.702043265), ROUND_Q12(1.375949650), |
| ROUND_Q12(0.656836490), ROUND_Q12(1.451139580), |
| ROUND_Q12(0.615197499), ROUND_Q12(1.526329510), |
| ROUND_Q12(0.576754745), ROUND_Q12(1.601519441), |
| ROUND_Q12(0.541188141), ROUND_Q12(1.676709371), |
| ROUND_Q12(0.508220033), ROUND_Q12(1.751899301), |
| ROUND_Q12(0.477608072), ROUND_Q12(1.827089231), |
| ROUND_Q12(0.449139524), ROUND_Q12(1.902279161), |
| ROUND_Q12(0.422626680), ROUND_Q12(1.977469091), |
| ROUND_Q12(0.397903130), ROUND_Q12(2.052659021), |
| ROUND_Q12(0.374820697), ROUND_Q12(2.127848951), |
| ROUND_Q12(0.353246914), ROUND_Q12(2.203038881), |
| ROUND_Q12(0.333062915), ROUND_Q12(2.278228811), |
| ROUND_Q12(0.314161674), ROUND_Q12(2.353418741), |
| ROUND_Q12(0.296446520), ROUND_Q12(2.428608671), |
| ROUND_Q12(0.279829872), ROUND_Q12(2.503798601), |
| ROUND_Q12(0.264232174), ROUND_Q12(2.578988531), |
| ROUND_Q12(0.249580966), ROUND_Q12(2.654178461), |
| ROUND_Q12(0.235810099), ROUND_Q12(2.729368392), |
| ROUND_Q12(0.222859049), ROUND_Q12(2.804558322), |
| ROUND_Q12(0.210672321), ROUND_Q12(2.879748252), |
| ROUND_Q12(0.199198934), ROUND_Q12(2.954938182), |
| ROUND_Q12(0.188391967), ROUND_Q12(3.030128112), |
| ROUND_Q12(0.178208162), ROUND_Q12(3.105318042), |
| ROUND_Q12(0.168607572), ROUND_Q12(3.180507972), |
| ROUND_Q12(0.159553254), ROUND_Q12(3.255697902), |
| ROUND_Q12(0.151010993), ROUND_Q12(3.330887832), |
| ROUND_Q12(0.142949058), ROUND_Q12(3.406077762), |
| ROUND_Q12(0.135337985), ROUND_Q12(3.481267692), |
| ROUND_Q12(0.128150381), ROUND_Q12(3.556457622), |
| ROUND_Q12(0.121360753), ROUND_Q12(3.631647552), |
| ROUND_Q12(0.114945349), ROUND_Q12(3.706837482), |
| ROUND_Q12(0.108882016), ROUND_Q12(3.782027412), |
| ROUND_Q12(0.103150076), ROUND_Q12(3.857217343), |
| ROUND_Q12(0.097730208), ROUND_Q12(3.932407273), |
| ROUND_Q12(0.092604344), ROUND_Q12(4.007597203), |
| ROUND_Q12(0.087755577), ROUND_Q12(4.082787133), |
| ROUND_Q12(0.083168071), ROUND_Q12(4.157977063), |
| ROUND_Q12(0.078826986), ROUND_Q12(4.233166993), |
| ROUND_Q12(0.074718402), ROUND_Q12(4.308356923), |
| ROUND_Q12(0.070829259), ROUND_Q12(4.383546853), |
| ROUND_Q12(0.067147292), ROUND_Q12(4.458736783), |
| ROUND_Q12(0.063660977), ROUND_Q12(4.533926713), |
| ROUND_Q12(0.060359483), ROUND_Q12(4.609116643), |
| ROUND_Q12(0.057232622), ROUND_Q12(4.684306573), |
| ROUND_Q12(0.054270808), ROUND_Q12(4.759496503), |
| ROUND_Q12(0.051465018), ROUND_Q12(4.834686433), |
| ROUND_Q12(0.048806753), ROUND_Q12(4.909876363), |
| ROUND_Q12(0.046288005), ROUND_Q12(4.985066294), |
| ROUND_Q12(0.043901228), ROUND_Q12(5.060256224), |
| ROUND_Q12(0.041639305), ROUND_Q12(5.135446154), |
| ROUND_Q12(0.039495525), ROUND_Q12(5.210636084), |
| ROUND_Q12(0.037463555), ROUND_Q12(5.285826014), |
| ROUND_Q12(0.035537418), ROUND_Q12(5.361015944), |
| ROUND_Q12(0.033711472), ROUND_Q12(5.436205874), |
| ROUND_Q12(0.031980387), ROUND_Q12(5.511395804), |
| ROUND_Q12(0.030339132), ROUND_Q12(5.586585734), |
| ROUND_Q12(0.028782950), ROUND_Q12(5.661775664), |
| ROUND_Q12(0.027307346), ROUND_Q12(5.736965594) |
| }; |
| // clang-format on |
| |
| /** |
| * @brief <Fill Me> |
| */ |
| WORD32 gai4_subBlock2csbfId_map4x4TU[1]; |
| WORD32 gai4_subBlock2csbfId_map8x8TU[4]; |
| WORD32 gai4_subBlock2csbfId_map16x16TU[16]; |
| WORD32 gai4_subBlock2csbfId_map32x32TU[64]; |
| |
| /** |
| * @brief the neighbor flags for a general ctb (ctb inside the frame; not any corners). |
| * The table gau4_nbr_flags_8x8_4x4blks generated for 16x16 4x4 blocks(ctb_size = 64). |
| * But the same table holds good for other 4x4 blocks 2d arrays(eg 8x8 4x4 blks,4x4 4x4blks). |
| * But the flags must be accessed with stride of 16 since the table has been generated for |
| * ctb_size = 64. For odd 4x4 2d arrays(eg 3x3 4x4 blks) the flags needs modification. |
| * The flags also need modification for corner ctbs. |
| */ |
| const UWORD32 gau4_nbr_flags_8x8_4x4blks[64] = { |
| 0x11188, 0x11180, 0x11188, 0x11180, 0x11188, 0x11180, 0x11188, 0x11180, 0x11188, 0x10180, |
| 0x11180, 0x10180, 0x11188, 0x10180, 0x11180, 0x10180, 0x11188, 0x11180, 0x11188, 0x10180, |
| 0x11188, 0x11180, 0x11188, 0x10180, 0x11188, 0x10180, 0x11180, 0x10180, 0x11180, 0x10180, |
| 0x11180, 0x10180, 0x11188, 0x11180, 0x11188, 0x11180, 0x11188, 0x11180, 0x11188, 0x10180, |
| 0x11188, 0x10180, 0x11180, 0x10180, 0x11188, 0x10180, 0x11180, 0x10180, 0x11188, 0x11180, |
| 0x11188, 0x10180, 0x11188, 0x11180, 0x11188, 0x10180, 0x11180, 0x10180, 0x11180, 0x10180, |
| 0x11180, 0x10180, 0x11180, 0x10180 |
| }; |
| |
| /** |
| * @brief subset of intra modes to be evaluated during pre enc intra process |
| */ |
| const UWORD8 gau1_modes_to_eval[11] = { 0, 1, 26, 2, 6, 10, 14, 18, 22, 30, 34 }; |
| |
| const float gad_look_up_activity[TOT_QP_MOD_OFFSET] = { 0.314980262f, 0.353553391f, 0.396850263f, |
| 0.445449359f, 0.5f, 0.561231024f, |
| 0.629960525f, 0.707106781f, 0.793700526f, |
| 0.890898718f, 1.0f, 1.122462048f, |
| 1.25992105f, 1.414213562f }; |