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/******************************************************************************
*
* 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