| /****************************************************************************** |
| * |
| * Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| /** |
| ******************************************************************************* |
| * @file |
| * ihevc_common_tables.c |
| * |
| * @brief |
| * Contains common global tables |
| * |
| * @author |
| * Harish M |
| * |
| * @par List of Tables: |
| * gai4_ihevc_max_luma_pic_size |
| * gai4_ihevc_max_wd_ht |
| * gai4_ihevc_min_wd_ht |
| * gai4_ihevc_ang_table |
| * col_for_intra_luma |
| * col_for_intra_chroma |
| * idx_neg_vals_3_9 |
| * idx_neg_idx_3_9 |
| * idx_neg_idx_chroma_3_9 |
| * idx_neg_idx_11_17 |
| * idx_neg_idx_chroma_11_17 |
| * gai4_ihevc_inv_ang_table |
| * gau1_ihevc_invscan8x8 |
| * gau1_ihevc_invscan4x4 |
| * gau1_ihevc_invscan2x2 |
| * gau1_ihevc_scan8x8 |
| * gau1_ihevc_scan4x4 |
| * gau1_ihevc_scan2x2 |
| * *gapv_ihevc_scan |
| * *gapv_ihevc_invscan |
| * gau1_ihevc_chroma_qp_scale |
| * gai1_ihevc_chroma_qp_scale |
| * gau1_ihevc_planar_factor |
| * gau1_ihevc_planar_factor_1 |
| * gai4_ihevc_ang_table_chroma |
| * gai4_ihevc_inv_ang_table_chroma |
| * gau1_ihevc_planar_factor_chroma |
| * gau1_intra_pred_ref_filter |
| * gi1_table_edge_idx |
| * gu1_table_band_idx |
| * gu2_table_band_idx |
| * |
| * @remarks |
| * None |
| * |
| ******************************************************************************* |
| */ |
| |
| #include "ihevc_typedefs.h" |
| #include "ihevc_platform_macros.h" |
| #include "ihevc_common_tables.h" |
| |
| /*****************************************************************************/ |
| /* Level specific tables */ |
| /*****************************************************************************/ |
| |
| /** |
| * Array giving size of max luma samples in a picture for a given level |
| */ |
| const WORD32 gai4_ihevc_max_luma_pic_size[] = |
| { |
| /* Level 1 */ |
| 36864, |
| /* Level 2 */ |
| 122880, |
| /* Level 2.1 */ |
| 245760, |
| /* Level 3 */ |
| 552960, |
| /* Level 3.1 */ |
| 983040, |
| /* Level 4 */ |
| 2228224, |
| /* Level 4.1 */ |
| 2228224, |
| /* Level 5 */ |
| 8912896, |
| /* Level 5.1 */ |
| 8912896, |
| /* Level 5.2 */ |
| 8912896, |
| /* Level 6 */ |
| 33423360, |
| /* Level 6.1 */ |
| 33423360, |
| /* Level 6.2 */ |
| 33423360 |
| }; |
| /** Max width and height allowed for a given level */ |
| /** This is derived as SQRT(8 * gai4_ihevc_max_luma_pic_size[]) */ |
| const WORD32 gai4_ihevc_max_wd_ht[] = |
| { |
| /* Level 1 */ |
| 543, |
| /* Level 2 */ |
| 991, |
| /* Level 2.1 */ |
| 1402, |
| /* Level 3 */ |
| 2103, |
| /* Level 3.1 */ |
| 2804, |
| /* Level 4 */ |
| 4222, |
| /* Level 4.1 */ |
| 4222, |
| /* Level 5 */ |
| 8444, |
| /* Level 5.1 */ |
| 8444, |
| /* Level 5.2 */ |
| 8444, |
| /* Level 6 */ |
| 16888, |
| /* Level 6.1 */ |
| 16888, |
| /* Level 6.2 */ |
| 16888 |
| }; |
| |
| /** Min width and height allowed for a given level */ |
| /** This is derived as gai4_ihevc_max_luma_pic_size[]/gai4_ihevc_max_wd_ht[] */ |
| const WORD32 gai4_ihevc_min_wd_ht[] = |
| { |
| /* Level 1 */ |
| 67, |
| /* Level 2 */ |
| 123, |
| /* Level 2.1 */ |
| 175, |
| /* Level 3 */ |
| 262, |
| /* Level 3.1 */ |
| 350, |
| /* Level 4 */ |
| 527, |
| /* Level 4.1 */ |
| 527, |
| /* Level 5 */ |
| 1055, |
| /* Level 5.1 */ |
| 1055, |
| /* Level 5.2 */ |
| 1055, |
| /* Level 6 */ |
| 2111, |
| /* Level 6.1 */ |
| 2111, |
| /* Level 6.2 */ |
| 2111 |
| }; |
| /*****************************************************************************/ |
| /* Intra prediction tables */ |
| /*****************************************************************************/ |
| /** |
| * Intra pred angles |
| */ |
| /* g_ang_table = tan(actual angle) in Q5 format for all 33 modes */ |
| const WORD32 gai4_ihevc_ang_table[35] = |
| { 0, 0, 32, 26, 21, 17, 13, 9, 5, 2, 0, -2, -5, -9, -13, -17, -21, -26, -32, |
| -26, -21, -17, -13, -9, -5, -2, 0, 2, 5, 9, 13, 17, 21, 26, 32 }; |
| |
| const WORD8 col_for_intra_luma[32] = |
| { 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 }; |
| |
| const WORD8 col_for_intra_chroma[32] = |
| { 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16 }; |
| |
| const WORD8 idx_neg_vals_3_9[7] = |
| { 26, 21, 17, 13, 9, 5, 2 }; |
| |
| const WORD32 idx_neg_idx_3_9[28] = |
| { 6, 13, 19, 26, 5, 10, 15, 21, 4, 8, 12, 17, 3, 6, 9, 13, 2, 4, 6, 9, |
| 1, 2, 3, 5, 0, 0, 1, 2 }; |
| |
| |
| const WORD32 idx_neg_idx_chroma_3_9[28] = |
| { 3, 6, 9, 13, |
| 2, 5, 7, 10, |
| 2, 4, 6, 8, |
| 1, 3, 4, 6, |
| 1, 2, 3, 4, |
| 0, 1, 1, 2, |
| 0, 0, 0, 1 }; |
| const WORD32 idx_neg_idx_11_17[28] = |
| { -1, -1, -2, -2, -2, -3, -4, -5, -3, -5, -7, -9, -4, -7, -10, -13, -5, -9, -13, -17, -6, -11, |
| -16, -21, -7, -13, -20, -26 }; |
| |
| const WORD32 idx_neg_idx_chroma_11_17[28] = |
| { -1, -1, -1, -1, |
| -1, -2, -2, -3, |
| -2, -3, -4, -5, |
| -2, -4, -5, -7, |
| -3, -5, -7, -9, |
| -3, -6, -8, -11, |
| -4, -7, -10, -13 }; |
| |
| /** |
| * Intra pred inverse angles |
| */ |
| /* g_invAngTable = Inverse angle in Q5 format, required for negative angles */ |
| const WORD32 gai4_ihevc_inv_ang_table[14] = |
| { 4096, 1638, 910, 630, 482, 390, 315, 315, 390, 482, 630, 910, 1638, 4096 }; |
| |
| /*****************************************************************************/ |
| /* Scan matrices */ |
| /*****************************************************************************/ |
| /** |
| * Inverse Scan matrix for 8x8 Section 6.5.3 |
| */ |
| const UWORD8 gau1_ihevc_invscan8x8[][64] = |
| { |
| /* Upright diagonal */ |
| { |
| 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 */ |
| { |
| 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 */ |
| { |
| 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 |
| } |
| }; |
| |
| /** |
| * Inverse Scan matrix for 4x4 Section 6.5.3 |
| */ |
| const UWORD8 gau1_ihevc_invscan4x4[][16] = |
| { |
| /* Upright diagonal */ |
| { |
| 0, 4, 1, 8, |
| 5, 2, 12, 9, |
| 6, 3, 13, 10, |
| 7, 14, 11, 15 |
| }, |
| /* Horizontal */ |
| { |
| 0, 1, 2, 3, |
| 4, 5, 6, 7, |
| 8, 9, 10, 11, |
| 12, 13, 14, 15 |
| }, |
| /* Vertical */ |
| { |
| 0, 4, 8, 12, |
| 1, 5, 9, 13, |
| 2, 6, 10, 14, |
| 3, 7, 11, 15 |
| } |
| }; |
| |
| /** |
| * Inverse Scan matrix for 4x4 Section 6.5.3 |
| */ |
| const UWORD8 gau1_ihevc_invscan2x2[][4] = |
| { |
| /* Upright diagonal */ |
| { |
| 0, 2, |
| 1, 3 |
| }, |
| /* Horizontal */ |
| { |
| 0, 1, |
| 2, 3 |
| }, |
| /* Vertical */ |
| { |
| 0, 2, |
| 1, 3, |
| } |
| }; |
| |
| /** |
| * Scan matrix for 8x8 Section 6.5.3 |
| */ |
| |
| const UWORD8 gau1_ihevc_scan8x8[][64] = |
| { |
| /* Upright diagonal */ |
| { |
| 0, 2, 5, 9, 14, 20, 27, 35, |
| 1, 4, 8, 13, 19, 26, 34, 42, |
| 3, 7, 12, 18, 25, 33, 41, 48, |
| 6, 11, 17, 24, 32, 40, 47, 53, |
| 10, 16, 23, 31, 39, 46, 52, 57, |
| 15, 22, 30, 38, 45, 51, 56, 60, |
| 21, 29, 37, 44, 50, 55, 59, 62, |
| 28, 36, 43, 49, 54, 58, 61, 63 |
| }, |
| /* Horizontal */ |
| { |
| 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 */ |
| { |
| 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 |
| } |
| }; |
| |
| /** |
| * Scan matrix for 4x4 Section 6.5.3 |
| */ |
| const UWORD8 gau1_ihevc_scan4x4[][16] = |
| { |
| /* Upright diagonal */ |
| { |
| 0, 2, 5, 9, |
| 1, 4, 8, 12, |
| 3, 7, 11, 14, |
| 6, 10, 13, 15 |
| }, |
| /* Horizontal */ |
| { |
| 0, 1, 2, 3, |
| 4, 5, 6, 7, |
| 8, 9, 10, 11, |
| 12, 13, 14, 15 |
| }, |
| /* Vertical */ |
| { |
| 0, 4, 8, 12, |
| 1, 5, 9, 13, |
| 2, 6, 10, 14, |
| 3, 7, 11, 15 |
| } |
| }; |
| |
| /** |
| * Scan matrix for 4x4 Section 6.5.3 |
| */ |
| const UWORD8 gau1_ihevc_scan2x2[][4] = |
| { |
| /* Upright diagonal */ |
| { |
| 0, 2, |
| 1, 3 |
| }, |
| /* Horizontal */ |
| { |
| 0, 1, |
| 2, 3 |
| }, |
| /* Vertical */ |
| { |
| 0, 2, |
| 1, 3, |
| } |
| }; |
| |
| /** |
| * Table containing all the scan matrices |
| */ |
| const void *gapv_ihevc_scan[] = |
| { |
| gau1_ihevc_scan2x2[0], |
| gau1_ihevc_scan4x4[0], |
| gau1_ihevc_scan8x8[0], |
| |
| gau1_ihevc_scan2x2[1], |
| gau1_ihevc_scan4x4[1], |
| gau1_ihevc_scan8x8[1], |
| |
| gau1_ihevc_scan2x2[2], |
| gau1_ihevc_scan4x4[2], |
| gau1_ihevc_scan8x8[2], |
| |
| }; |
| |
| const void *gapv_ihevc_invscan[] = |
| { |
| gau1_ihevc_invscan2x2[0], |
| gau1_ihevc_invscan4x4[0], |
| gau1_ihevc_invscan8x8[0], |
| |
| gau1_ihevc_invscan2x2[1], |
| gau1_ihevc_invscan4x4[1], |
| gau1_ihevc_invscan8x8[1], |
| |
| gau1_ihevc_invscan2x2[2], |
| gau1_ihevc_invscan4x4[2], |
| gau1_ihevc_invscan8x8[2], |
| }; |
| /** |
| * Table for luma to chroma qp conversion |
| */ |
| |
| // FOR MAIN branch encoder ( 8 bit) |
| const UWORD8 gau1_ihevc_chroma_qp_scale[58] = |
| { |
| |
| 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, 29, 30, 31, 32, |
| 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 39, 40, 41, 42, 43, 44, |
| 45, 46, 47, 48, 49, 50, 51 |
| }; |
| |
| // FOR HBD branch encoder ( 8, 10 and 12 bit) |
| const WORD8 gai1_ihevc_chroma_qp_scale[82]= //EXTENDED for 12 bit |
| { |
| -24,-23,-22,-21,-20,-19,-18,-17,-16,-15,-14,-13, |
| -12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1, |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16, |
| 17,18,19,20,21,22,23,24,25,26,27,28,29,29,30,31,32, |
| 33,33,34,34,35,35,36,36,37,37,38,39,40,41,42,43,44, |
| 45,46,47,48,49,50,51 |
| }; |
| |
| |
| /** constant planar factor values table */ |
| const UWORD8 gau1_ihevc_planar_factor[65] = { 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, 64 }; |
| //AX CHANGES |
| const UWORD8 gau1_ihevc_planar_factor_1[32] = { 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 9, 9, 9, 9, 9, 9, |
| 17, 17, 17, 17, 17, 17, 17, 17, 25, 25, 25, 25, 25, 25, |
| 25, 25 }; |
| //AX CHANGES |
| |
| /** g_ang_table = tan(actual angle) in Q5 format for all 33 modes */ |
| const WORD32 gai4_ihevc_ang_table_chroma[35] = { 0, 0, 32, 26, 21, 17, 13, 9, 5, 2, 0, -2, -5, -9, |
| -13, -17, -21, -26, -32, -26, -21, -17, -13, -9, -5, |
| -2, 0, 2, 5, 9, 13, 17, 21, 26, 32 }; |
| /** g_invAngTable = Inverse angle in Q5 format, required for negative angles */ |
| const WORD32 gai4_ihevc_inv_ang_table_chroma[14] = { 4096, 1638, 910, 630, 482, 390, 315, |
| 315, 390, 482, 630, 910, 1638, 4096 }; |
| |
| |
| /** constant planar factor values table */ |
| const UWORD8 gau1_ihevc_planar_factor_chroma[33] = { 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 }; |
| |
| |
| |
| /** Filter flag values for intra pred referenece filtering - intra pred mode is the index |
| * flag for nt = 4 is the Bit 0, nt = 8 is Bit 1, nt = 16 is Bit 2, nt = 32 is Bit 3 |
| */ |
| const UWORD8 gau1_intra_pred_ref_filter[] = |
| { |
| 14, 0, 14, 12, 12, 12, 12, |
| 12, 12, 8, 0, 8, 12, 12, |
| 12, 12, 12, 12, 14, 12, 12, |
| 12, 12, 12, 12, 8, 0, 8, |
| 12, 12, 12, 12, 12, 12, 14 |
| }; |
| |
| |
| const WORD8 gi1_table_edge_idx[8] = { 1, 2, 0, 3, 4, 0, 0, 0 }; /* First 5 values are valid. Last 3 dummy values are added to help SIMD load*/ |
| |
| const UWORD8 gu1_table_band_idx[32] = { 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 |
| }; |
| |
| const UWORD16 gu2_table_band_idx[32] = { 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 |
| }; |
| |
| #ifdef ENABLE_SSE4_1_INTR |
| /*Used as a lookup table to have popcnt instruction working for SSE4.1 platform. |
| Each unit indicates number of 1s the index at which it is persent |
| */ |
| const WORD8 gi1_popcnt_byte_table[] = |
| { |
| 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4, |
| 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, |
| 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, |
| 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, |
| 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, |
| 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, |
| 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, |
| 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, |
| 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, |
| 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, |
| 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, |
| 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, |
| 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, |
| 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, |
| 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, |
| 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8 |
| }; |
| #endif |
