614 lines
25 KiB
C
614 lines
25 KiB
C
/*
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* Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
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* Copyright (c) 2006 Stefan Gehrer <stefan.gehrer@gmx.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#define SLICE_MIN_START_CODE 0x00000101
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#define SLICE_MAX_START_CODE 0x000001af
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#define EXT_START_CODE 0x000001b5
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#define USER_START_CODE 0x000001b2
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#define SEQ_START_CODE 0x000001b0
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#define PIC_I_START_CODE 0x000001b3
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#define PIC_PB_START_CODE 0x000001b6
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#define A_AVAIL 1
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#define B_AVAIL 2
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#define C_AVAIL 4
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#define D_AVAIL 8
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#define NOT_AVAIL -1
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#define REF_INTRA -2
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#define REF_DIR -3
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#define ESCAPE_CODE 59
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#define FWD0 0x01
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#define FWD1 0x02
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#define BWD0 0x04
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#define BWD1 0x08
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#define SYM0 0x10
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#define SYM1 0x20
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#define MV_BWD_OFFS 12
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#define MV_STRIDE 4
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enum mb_t {
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I_8X8 = 0,
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P_SKIP,
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P_16X16,
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P_16X8,
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P_8X16,
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P_8X8,
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B_SKIP,
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B_DIRECT,
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B_FWD_16X16,
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B_BWD_16X16,
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B_SYM_16X16,
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B_8X8 = 29
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};
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enum sub_mb_t {
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B_SUB_DIRECT,
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B_SUB_FWD,
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B_SUB_BWD,
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B_SUB_SYM
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};
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enum intra_luma_t {
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INTRA_L_VERT,
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INTRA_L_HORIZ,
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INTRA_L_LP,
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INTRA_L_DOWN_LEFT,
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INTRA_L_DOWN_RIGHT,
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INTRA_L_LP_LEFT,
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INTRA_L_LP_TOP,
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INTRA_L_DC_128
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};
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enum intra_chroma_t {
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INTRA_C_LP,
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INTRA_C_HORIZ,
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INTRA_C_VERT,
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INTRA_C_PLANE,
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INTRA_C_LP_LEFT,
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INTRA_C_LP_TOP,
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INTRA_C_DC_128,
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};
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enum mv_pred_t {
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MV_PRED_MEDIAN,
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MV_PRED_LEFT,
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MV_PRED_TOP,
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MV_PRED_TOPRIGHT,
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MV_PRED_PSKIP,
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MV_PRED_BSKIP
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};
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enum block_t {
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BLK_16X16,
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BLK_16X8,
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BLK_8X16,
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BLK_8X8
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};
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enum mv_loc_t {
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MV_FWD_D3 = 0,
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MV_FWD_B2,
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MV_FWD_B3,
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MV_FWD_C2,
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MV_FWD_A1,
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MV_FWD_X0,
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MV_FWD_X1,
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MV_FWD_A3 = 8,
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MV_FWD_X2,
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MV_FWD_X3,
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MV_BWD_D3 = MV_BWD_OFFS,
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MV_BWD_B2,
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MV_BWD_B3,
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MV_BWD_C2,
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MV_BWD_A1,
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MV_BWD_X0,
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MV_BWD_X1,
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MV_BWD_A3 = MV_BWD_OFFS+8,
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MV_BWD_X2,
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MV_BWD_X3
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};
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static const uint8_t b_partition_flags[14] = {
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0,0,0,0,0,
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FWD0|FWD1,
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BWD0|BWD1,
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FWD0|BWD1,
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BWD0|FWD1,
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FWD0|SYM1,
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BWD0|SYM1,
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SYM0|FWD1,
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SYM0|BWD1,
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SYM0|SYM1
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};
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static const uint8_t scan3x3[4] = {4,5,7,8};
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static const uint8_t mv_scan[4] = {
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MV_FWD_X0,MV_FWD_X1,
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MV_FWD_X2,MV_FWD_X3
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};
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static const uint8_t cbp_tab[64][2] = {
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{63, 0},{15,15},{31,63},{47,31},{ 0,16},{14,32},{13,47},{11,13},
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{ 7,14},{ 5,11},{10,12},{ 8, 5},{12,10},{61, 7},{ 4,48},{55, 3},
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{ 1, 2},{ 2, 8},{59, 4},{ 3, 1},{62,61},{ 9,55},{ 6,59},{29,62},
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{45,29},{51,27},{23,23},{39,19},{27,30},{46,28},{53, 9},{30, 6},
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{43,60},{37,21},{60,44},{16,26},{21,51},{28,35},{19,18},{35,20},
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{42,24},{26,53},{44,17},{32,37},{58,39},{24,45},{20,58},{17,43},
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{18,42},{48,46},{22,36},{33,33},{25,34},{49,40},{40,52},{36,49},
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{34,50},{50,56},{52,25},{54,22},{41,54},{56,57},{38,41},{57,38}
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};
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static const uint8_t chroma_qp[64] = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,42,43,43,44,44,
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45,45,46,46,47,47,48,48,48,49,49,49,50,50,50,51
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};
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static const uint8_t dequant_shift[64] = {
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14,14,14,14,14,14,14,14,
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13,13,13,13,13,13,13,13,
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13,12,12,12,12,12,12,12,
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11,11,11,11,11,11,11,11,
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11,10,10,10,10,10,10,10,
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10, 9, 9, 9, 9, 9, 9, 9,
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9, 8, 8, 8, 8, 8, 8, 8,
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7, 7, 7, 7, 7, 7, 7, 7
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};
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static const uint16_t dequant_mul[64] = {
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32768,36061,38968,42495,46341,50535,55437,60424,
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32932,35734,38968,42495,46177,50535,55109,59933,
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65535,35734,38968,42577,46341,50617,55027,60097,
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32809,35734,38968,42454,46382,50576,55109,60056,
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65535,35734,38968,42495,46320,50515,55109,60076,
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65535,35744,38968,42495,46341,50535,55099,60087,
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65535,35734,38973,42500,46341,50535,55109,60097,
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32771,35734,38965,42497,46341,50535,55109,60099
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};
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typedef struct {
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int16_t x;
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int16_t y;
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int16_t dist;
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int16_t ref;
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} vector_t;
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// marks block as unavailable, i.e. out of picture
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// or not yet decoded
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static const vector_t un_mv = {0,0,1,NOT_AVAIL};
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//marks block as "no prediction from this direction"
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// e.g. forward motion vector in BWD partition
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static const vector_t dir_mv = {0,0,1,REF_DIR};
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//marks block as using intra prediction
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static const vector_t intra_mv = {0,0,1,REF_INTRA};
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typedef struct residual_vlc_t {
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int8_t rltab[59][3];
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int8_t level_add[26];
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int8_t golomb_order;
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int inc_limit;
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int8_t max_run;
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} residual_vlc_t;
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static const residual_vlc_t intra_2dvlc[7] = {
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{
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{ //level / run / table_inc
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{ 1, 0, 1},{ -1, 0, 1},{ 1, 1, 1},{ -1, 1, 1},{ 1, 2, 1},{ -1, 2, 1},
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{ 1, 3, 1},{ -1, 3, 1},{ 1, 4, 1},{ -1, 4, 1},{ 1, 5, 1},{ -1, 5, 1},
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{ 1, 6, 1},{ -1, 6, 1},{ 1, 7, 1},{ -1, 7, 1},{ 1, 8, 1},{ -1, 8, 1},
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{ 1, 9, 1},{ -1, 9, 1},{ 1,10, 1},{ -1,10, 1},{ 2, 0, 2},{ -2, 0, 2},
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{ 1,11, 1},{ -1,11, 1},{ 1,12, 1},{ -1,12, 1},{ 1,13, 1},{ -1,13, 1},
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{ 1,14, 1},{ -1,14, 1},{ 2, 1, 2},{ -2, 1, 2},{ 1,15, 1},{ -1,15, 1},
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{ 1,16, 1},{ -1,16, 1},{ 3, 0, 3},{ -3, 0, 3},{ 1,17, 1},{ -1,17, 1},
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{ 1,18, 1},{ -1,18, 1},{ 2, 2, 2},{ -2, 2, 2},{ 1,19, 1},{ -1,19, 1},
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{ 1,20, 1},{ -1,20, 1},{ 2, 3, 2},{ -2, 3, 2},{ 1,21, 1},{ -1,21, 1},
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{ 2, 4, 2},{ -2, 4, 2},{ 1,22, 1},{ -1,22, 1},{ 0, 0,-1}
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},
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//level_add
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{ 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2,-1,-1,-1},
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2, //golomb_order
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0, //inc_limit
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22, //max_run
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},{
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{ //level / run
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{ 1, 0, 0},{ -1, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 2, 0, 1},{ -2, 0, 1},
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{ 1, 2, 0},{ -1, 2, 0},{ 0, 0, 0},{ 1, 3, 0},{ -1, 3, 0},{ 1, 4, 0},
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{ -1, 4, 0},{ 1, 5, 0},{ -1, 5, 0},{ 3, 0, 2},{ -3, 0, 2},{ 2, 1, 1},
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{ -2, 1, 1},{ 1, 6, 0},{ -1, 6, 0},{ 1, 7, 0},{ -1, 7, 0},{ 1, 8, 0},
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{ -1, 8, 0},{ 2, 2, 1},{ -2, 2, 1},{ 4, 0, 2},{ -4, 0, 2},{ 1, 9, 0},
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{ -1, 9, 0},{ 1,10, 0},{ -1,10, 0},{ 2, 3, 1},{ -2, 3, 1},{ 3, 1, 2},
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{ -3, 1, 2},{ 1,11, 0},{ -1,11, 0},{ 2, 4, 1},{ -2, 4, 1},{ 5, 0, 3},
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{ -5, 0, 3},{ 1,12, 0},{ -1,12, 0},{ 2, 5, 1},{ -2, 5, 1},{ 1,13, 0},
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{ -1,13, 0},{ 2, 6, 1},{ -2, 6, 1},{ 2, 7, 1},{ -2, 7, 1},{ 3, 2, 2},
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{ -3, 2, 2},{ 6, 0, 3},{ -6, 0, 3},{ 1,14, 0},{ -1,14, 0}
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},
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//level_add
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{ 7, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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2, //golomb_order
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1, //inc_limit
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14, //max_run
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},{
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{ //level / run
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{ 1, 0, 0},{ -1, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 1, 1, 0},{ -1, 1, 0},
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{ 3, 0, 1},{ -3, 0, 1},{ 0, 0, 0},{ 1, 2, 0},{ -1, 2, 0},{ 2, 1, 0},
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{ -2, 1, 0},{ 4, 0, 1},{ -4, 0, 1},{ 1, 3, 0},{ -1, 3, 0},{ 5, 0, 2},
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{ -5, 0, 2},{ 1, 4, 0},{ -1, 4, 0},{ 3, 1, 1},{ -3, 1, 1},{ 2, 2, 0},
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{ -2, 2, 0},{ 1, 5, 0},{ -1, 5, 0},{ 6, 0, 2},{ -6, 0, 2},{ 2, 3, 0},
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{ -2, 3, 0},{ 1, 6, 0},{ -1, 6, 0},{ 4, 1, 1},{ -4, 1, 1},{ 7, 0, 2},
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{ -7, 0, 2},{ 3, 2, 1},{ -3, 2, 1},{ 2, 4, 0},{ -2, 4, 0},{ 1, 7, 0},
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{ -1, 7, 0},{ 2, 5, 0},{ -2, 5, 0},{ 8, 0, 3},{ -8, 0, 3},{ 1, 8, 0},
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{ -1, 8, 0},{ 5, 1, 2},{ -5, 1, 2},{ 3, 3, 1},{ -3, 3, 1},{ 2, 6, 0},
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{ -2, 6, 0},{ 9, 0, 3},{ -9, 0, 3},{ 1, 9, 0},{ -1, 9, 0}
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},
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//level_add
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{10, 6, 4, 4, 3, 3, 3, 2, 2, 2,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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2, //golomb_order
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2, //inc_limit
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9, //max_run
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},{
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{ //level / run
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{ 1, 0, 0},{ -1, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 3, 0, 0},{ -3, 0, 0},
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{ 1, 1, 0},{ -1, 1, 0},{ 0, 0, 0},{ 4, 0, 0},{ -4, 0, 0},{ 5, 0, 1},
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{ -5, 0, 1},{ 2, 1, 0},{ -2, 1, 0},{ 1, 2, 0},{ -1, 2, 0},{ 6, 0, 1},
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{ -6, 0, 1},{ 3, 1, 0},{ -3, 1, 0},{ 7, 0, 1},{ -7, 0, 1},{ 1, 3, 0},
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{ -1, 3, 0},{ 8, 0, 2},{ -8, 0, 2},{ 2, 2, 0},{ -2, 2, 0},{ 4, 1, 0},
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{ -4, 1, 0},{ 1, 4, 0},{ -1, 4, 0},{ 9, 0, 2},{ -9, 0, 2},{ 5, 1, 1},
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{ -5, 1, 1},{ 2, 3, 0},{ -2, 3, 0},{ 10, 0, 2},{-10, 0, 2},{ 3, 2, 0},
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{ -3, 2, 0},{ 1, 5, 0},{ -1, 5, 0},{ 11, 0, 3},{-11, 0, 3},{ 6, 1, 1},
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{ -6, 1, 1},{ 1, 6, 0},{ -1, 6, 0},{ 2, 4, 0},{ -2, 4, 0},{ 3, 3, 0},
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{ -3, 3, 0},{ 12, 0, 3},{-12, 0, 3},{ 4, 2, 0},{ -4, 2, 0}
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},
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//level_add
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{13, 7, 5, 4, 3, 2, 2,-1,-1,-1 -1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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2, //golomb_order
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4, //inc_limit
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6, //max_run
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},{
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{ //level / run
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{ 1, 0, 0},{ -1, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 3, 0, 0},{ -3, 0, 0},
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{ 0, 0, 0},{ 4, 0, 0},{ -4, 0, 0},{ 5, 0, 0},{ -5, 0, 0},{ 6, 0, 0},
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{ -6, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 7, 0, 0},{ -7, 0, 0},{ 8, 0, 1},
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{ -8, 0, 1},{ 2, 1, 0},{ -2, 1, 0},{ 9, 0, 1},{ -9, 0, 1},{ 10, 0, 1},
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{-10, 0, 1},{ 1, 2, 0},{ -1, 2, 0},{ 3, 1, 0},{ -3, 1, 0},{ 11, 0, 2},
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{-11, 0, 2},{ 4, 1, 0},{ -4, 1, 0},{ 12, 0, 2},{-12, 0, 2},{ 13, 0, 2},
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{-13, 0, 2},{ 5, 1, 0},{ -5, 1, 0},{ 1, 3, 0},{ -1, 3, 0},{ 2, 2, 0},
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{ -2, 2, 0},{ 14, 0, 2},{-14, 0, 2},{ 6, 1, 0},{ -6, 1, 0},{ 15, 0, 2},
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{-15, 0, 2},{ 16, 0, 2},{-16, 0, 2},{ 3, 2, 0},{ -3, 2, 0},{ 1, 4, 0},
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{ -1, 4, 0},{ 7, 1, 0},{ -7, 1, 0},{ 17, 0, 2},{-17, 0, 2},
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},
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//level_add
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{18, 8, 4, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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2, //golomb_order
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7, //inc_limit
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4, //max_run
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},{
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{ //level / run
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{ 0, 0, 0},{ 1, 0, 0},{ -1, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 3, 0, 0},
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{ -3, 0, 0},{ 4, 0, 0},{ -4, 0, 0},{ 5, 0, 0},{ -5, 0, 0},{ 6, 0, 0},
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{ -6, 0, 0},{ 7, 0, 0},{ -7, 0, 0},{ 8, 0, 0},{ -8, 0, 0},{ 9, 0, 0},
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{ -9, 0, 0},{ 10, 0, 0},{-10, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 11, 0, 1},
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{-11, 0, 1},{ 12, 0, 1},{-12, 0, 1},{ 13, 0, 1},{-13, 0, 1},{ 2, 1, 0},
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{ -2, 1, 0},{ 14, 0, 1},{-14, 0, 1},{ 15, 0, 1},{-15, 0, 1},{ 3, 1, 0},
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{ -3, 1, 0},{ 16, 0, 1},{-16, 0, 1},{ 1, 2, 0},{ -1, 2, 0},{ 17, 0, 1},
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{-17, 0, 1},{ 4, 1, 0},{ -4, 1, 0},{ 18, 0, 1},{-18, 0, 1},{ 5, 1, 0},
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{ -5, 1, 0},{ 19, 0, 1},{-19, 0, 1},{ 20, 0, 1},{-20, 0, 1},{ 6, 1, 0},
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{ -6, 1, 0},{ 21, 0, 1},{-21, 0, 1},{ 2, 2, 0},{ -2, 2, 0},
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},
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//level_add
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{22, 7, 3,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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2, //golomb_order
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10, //inc_limit
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2, //max_run
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},{
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{ //level / run
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{ 0, 0, 0},{ 1, 0, 0},{ -1, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 3, 0, 0},
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{ -3, 0, 0},{ 4, 0, 0},{ -4, 0, 0},{ 5, 0, 0},{ -5, 0, 0},{ 6, 0, 0},
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{ -6, 0, 0},{ 7, 0, 0},{ -7, 0, 0},{ 8, 0, 0},{ -8, 0, 0},{ 9, 0, 0},
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{ -9, 0, 0},{ 10, 0, 0},{-10, 0, 0},{ 11, 0, 0},{-11, 0, 0},{ 12, 0, 0},
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{-12, 0, 0},{ 13, 0, 0},{-13, 0, 0},{ 14, 0, 0},{-14, 0, 0},{ 15, 0, 0},
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{-15, 0, 0},{ 16, 0, 0},{-16, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 17, 0, 0},
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{-17, 0, 0},{ 18, 0, 0},{-18, 0, 0},{ 19, 0, 0},{-19, 0, 0},{ 20, 0, 0},
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{-20, 0, 0},{ 21, 0, 0},{-21, 0, 0},{ 2, 1, 0},{ -2, 1, 0},{ 22, 0, 0},
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{-22, 0, 0},{ 23, 0, 0},{-23, 0, 0},{ 24, 0, 0},{-24, 0, 0},{ 25, 0, 0},
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{-25, 0, 0},{ 3, 1, 0},{ -3, 1, 0},{ 26, 0, 0},{-26, 0, 0}
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},
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//level_add
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{27, 4,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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2, //golomb_order
|
|
INT_MAX, //inc_limit
|
|
1, //max_run
|
|
}
|
|
};
|
|
|
|
static const residual_vlc_t inter_2dvlc[7] = {
|
|
{
|
|
{ //level / run
|
|
{ 1, 0, 1},{ -1, 0, 1},{ 1, 1, 1},{ -1, 1, 1},{ 1, 2, 1},{ -1, 2, 1},
|
|
{ 1, 3, 1},{ -1, 3, 1},{ 1, 4, 1},{ -1, 4, 1},{ 1, 5, 1},{ -1, 5, 1},
|
|
{ 1, 6, 1},{ -1, 6, 1},{ 1, 7, 1},{ -1, 7, 1},{ 1, 8, 1},{ -1, 8, 1},
|
|
{ 1, 9, 1},{ -1, 9, 1},{ 1,10, 1},{ -1,10, 1},{ 1,11, 1},{ -1,11, 1},
|
|
{ 1,12, 1},{ -1,12, 1},{ 2, 0, 2},{ -2, 0, 2},{ 1,13, 1},{ -1,13, 1},
|
|
{ 1,14, 1},{ -1,14, 1},{ 1,15, 1},{ -1,15, 1},{ 1,16, 1},{ -1,16, 1},
|
|
{ 1,17, 1},{ -1,17, 1},{ 1,18, 1},{ -1,18, 1},{ 3, 0, 3},{ -3, 0, 3},
|
|
{ 1,19, 1},{ -1,19, 1},{ 1,20, 1},{ -1,20, 1},{ 2, 1, 2},{ -2, 1, 2},
|
|
{ 1,21, 1},{ -1,21, 1},{ 1,22, 1},{ -1,22, 1},{ 1,23, 1},{ -1,23, 1},
|
|
{ 1,24, 1},{ -1,24, 1},{ 1,25, 1},{ -1,25, 1},{ 0, 0,-1}
|
|
},
|
|
//level_add
|
|
{ 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
|
|
3, //golomb_order
|
|
0, //inc_limit
|
|
25 //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 1, 0, 0},{ -1, 0, 0},{ 0, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 1, 2, 0},
|
|
{ -1, 2, 0},{ 1, 3, 0},{ -1, 3, 0},{ 1, 4, 0},{ -1, 4, 0},{ 1, 5, 0},
|
|
{ -1, 5, 0},{ 2, 0, 1},{ -2, 0, 1},{ 1, 6, 0},{ -1, 6, 0},{ 1, 7, 0},
|
|
{ -1, 7, 0},{ 1, 8, 0},{ -1, 8, 0},{ 1, 9, 0},{ -1, 9, 0},{ 2, 1, 1},
|
|
{ -2, 1, 1},{ 1,10, 0},{ -1,10, 0},{ 1,11, 0},{ -1,11, 0},{ 3, 0, 2},
|
|
{ -3, 0, 2},{ 1,12, 0},{ -1,12, 0},{ 1,13, 0},{ -1,13, 0},{ 2, 2, 1},
|
|
{ -2, 2, 1},{ 1,14, 0},{ -1,14, 0},{ 2, 3, 1},{ -2, 3, 1},{ 1,15, 0},
|
|
{ -1,15, 0},{ 2, 4, 1},{ -2, 4, 1},{ 1,16, 0},{ -1,16, 0},{ 4, 0, 3},
|
|
{ -4, 0, 3},{ 2, 5, 1},{ -2, 5, 1},{ 1,17, 0},{ -1,17, 0},{ 1,18, 0},
|
|
{ -1,18, 0},{ 2, 6, 1},{ -2, 6, 1},{ 3, 1, 2},{ -3, 1, 2},
|
|
},
|
|
//level_add
|
|
{ 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2,-1,-1,-1,-1,-1,-1,-1},
|
|
2, //golomb_order
|
|
1, //inc_limit
|
|
18 //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 1, 0, 0},{ -1, 0, 0},{ 0, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 2, 0, 0},
|
|
{ -2, 0, 0},{ 1, 2, 0},{ -1, 2, 0},{ 1, 3, 0},{ -1, 3, 0},{ 3, 0, 1},
|
|
{ -3, 0, 1},{ 2, 1, 0},{ -2, 1, 0},{ 1, 4, 0},{ -1, 4, 0},{ 1, 5, 0},
|
|
{ -1, 5, 0},{ 1, 6, 0},{ -1, 6, 0},{ 2, 2, 0},{ -2, 2, 0},{ 4, 0, 2},
|
|
{ -4, 0, 2},{ 1, 7, 0},{ -1, 7, 0},{ 3, 1, 1},{ -3, 1, 1},{ 2, 3, 0},
|
|
{ -2, 3, 0},{ 1, 8, 0},{ -1, 8, 0},{ 1, 9, 0},{ -1, 9, 0},{ 5, 0, 2},
|
|
{ -5, 0, 2},{ 2, 4, 0},{ -2, 4, 0},{ 1,10, 0},{ -1,10, 0},{ 2, 5, 0},
|
|
{ -2, 5, 0},{ 1,11, 0},{ -1,11, 0},{ 3, 2, 1},{ -3, 2, 1},{ 6, 0, 2},
|
|
{ -6, 0, 2},{ 4, 1, 2},{ -4, 1, 2},{ 1,12, 0},{ -1,12, 0},{ 2, 6, 0},
|
|
{ -2, 6, 0},{ 3, 3, 1},{ -3, 3, 1},{ 1,13, 0},{ -1,13, 0},
|
|
},
|
|
//level_add
|
|
{ 7, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2,-1,-1,
|
|
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
|
|
2, //golomb_order
|
|
2, //inc_limit
|
|
13 //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 1, 0, 0},{ -1, 0, 0},{ 0, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 1, 1, 0},
|
|
{ -1, 1, 0},{ 3, 0, 0},{ -3, 0, 0},{ 1, 2, 0},{ -1, 2, 0},{ 2, 1, 0},
|
|
{ -2, 1, 0},{ 4, 0, 1},{ -4, 0, 1},{ 1, 3, 0},{ -1, 3, 0},{ 5, 0, 1},
|
|
{ -5, 0, 1},{ 1, 4, 0},{ -1, 4, 0},{ 3, 1, 0},{ -3, 1, 0},{ 2, 2, 0},
|
|
{ -2, 2, 0},{ 1, 5, 0},{ -1, 5, 0},{ 6, 0, 1},{ -6, 0, 1},{ 2, 3, 0},
|
|
{ -2, 3, 0},{ 1, 6, 0},{ -1, 6, 0},{ 4, 1, 1},{ -4, 1, 1},{ 7, 0, 2},
|
|
{ -7, 0, 2},{ 3, 2, 0},{ -3, 2, 0},{ 1, 7, 0},{ -1, 7, 0},{ 2, 4, 0},
|
|
{ -2, 4, 0},{ 8, 0, 2},{ -8, 0, 2},{ 1, 8, 0},{ -1, 8, 0},{ 3, 3, 0},
|
|
{ -3, 3, 0},{ 2, 5, 0},{ -2, 5, 0},{ 5, 1, 1},{ -5, 1, 1},{ 1, 9, 0},
|
|
{ -1, 9, 0},{ 9, 0, 2},{ -9, 0, 2},{ 4, 2, 1},{ -4, 2, 1},
|
|
},
|
|
//level_add
|
|
{10, 6, 5, 4, 3, 3, 2, 2, 2, 2,-1,-1,-1,-1,-1,-1,
|
|
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
|
|
2, //golomb_order
|
|
3, //inc_limit
|
|
9 //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 1, 0, 0},{ -1, 0, 0},{ 0, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 3, 0, 0},
|
|
{ -3, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 4, 0, 0},{ -4, 0, 0},{ 5, 0, 0},
|
|
{ -5, 0, 0},{ 2, 1, 0},{ -2, 1, 0},{ 1, 2, 0},{ -1, 2, 0},{ 6, 0, 0},
|
|
{ -6, 0, 0},{ 3, 1, 0},{ -3, 1, 0},{ 7, 0, 1},{ -7, 0, 1},{ 1, 3, 0},
|
|
{ -1, 3, 0},{ 8, 0, 1},{ -8, 0, 1},{ 2, 2, 0},{ -2, 2, 0},{ 4, 1, 0},
|
|
{ -4, 1, 0},{ 1, 4, 0},{ -1, 4, 0},{ 9, 0, 1},{ -9, 0, 1},{ 5, 1, 0},
|
|
{ -5, 1, 0},{ 2, 3, 0},{ -2, 3, 0},{ 1, 5, 0},{ -1, 5, 0},{ 10, 0, 2},
|
|
{-10, 0, 2},{ 3, 2, 0},{ -3, 2, 0},{ 11, 0, 2},{-11, 0, 2},{ 1, 6, 0},
|
|
{ -1, 6, 0},{ 6, 1, 0},{ -6, 1, 0},{ 3, 3, 0},{ -3, 3, 0},{ 2, 4, 0},
|
|
{ -2, 4, 0},{ 12, 0, 2},{-12, 0, 2},{ 4, 2, 0},{ -4, 2, 0},
|
|
},
|
|
//level_add
|
|
{13, 7, 5, 4, 3, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,
|
|
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
|
|
2, //golomb_order
|
|
6, //inc_limit
|
|
6 //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 0, 0, 0},{ 1, 0, 0},{ -1, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 3, 0, 0},
|
|
{ -3, 0, 0},{ 4, 0, 0},{ -4, 0, 0},{ 5, 0, 0},{ -5, 0, 0},{ 1, 1, 0},
|
|
{ -1, 1, 0},{ 6, 0, 0},{ -6, 0, 0},{ 7, 0, 0},{ -7, 0, 0},{ 8, 0, 0},
|
|
{ -8, 0, 0},{ 2, 1, 0},{ -2, 1, 0},{ 9, 0, 0},{ -9, 0, 0},{ 1, 2, 0},
|
|
{ -1, 2, 0},{ 10, 0, 1},{-10, 0, 1},{ 3, 1, 0},{ -3, 1, 0},{ 11, 0, 1},
|
|
{-11, 0, 1},{ 4, 1, 0},{ -4, 1, 0},{ 12, 0, 1},{-12, 0, 1},{ 1, 3, 0},
|
|
{ -1, 3, 0},{ 2, 2, 0},{ -2, 2, 0},{ 13, 0, 1},{-13, 0, 1},{ 5, 1, 0},
|
|
{ -5, 1, 0},{ 14, 0, 1},{-14, 0, 1},{ 6, 1, 0},{ -6, 1, 0},{ 1, 4, 0},
|
|
{ -1, 4, 0},{ 15, 0, 1},{-15, 0, 1},{ 3, 2, 0},{ -3, 2, 0},{ 16, 0, 1},
|
|
{-16, 0, 1},{ 2, 3, 0},{ -2, 3, 0},{ 7, 1, 0},{ -7, 1, 0},
|
|
},
|
|
//level_add
|
|
{17, 8, 4, 3, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
|
|
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
|
|
2, //golomb_order
|
|
9, //inc_limit
|
|
4 //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 0, 0, 0},{ 1, 0, 0},{ -1, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 3, 0, 0},
|
|
{ -3, 0, 0},{ 4, 0, 0},{ -4, 0, 0},{ 5, 0, 0},{ -5, 0, 0},{ 6, 0, 0},
|
|
{ -6, 0, 0},{ 7, 0, 0},{ -7, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 8, 0, 0},
|
|
{ -8, 0, 0},{ 9, 0, 0},{ -9, 0, 0},{ 10, 0, 0},{-10, 0, 0},{ 11, 0, 0},
|
|
{-11, 0, 0},{ 12, 0, 0},{-12, 0, 0},{ 2, 1, 0},{ -2, 1, 0},{ 13, 0, 0},
|
|
{-13, 0, 0},{ 1, 2, 0},{ -1, 2, 0},{ 14, 0, 0},{-14, 0, 0},{ 15, 0, 0},
|
|
{-15, 0, 0},{ 3, 1, 0},{ -3, 1, 0},{ 16, 0, 0},{-16, 0, 0},{ 17, 0, 0},
|
|
{-17, 0, 0},{ 18, 0, 0},{-18, 0, 0},{ 4, 1, 0},{ -4, 1, 0},{ 19, 0, 0},
|
|
{-19, 0, 0},{ 20, 0, 0},{-20, 0, 0},{ 2, 2, 0},{ -2, 2, 0},{ 1, 3, 0},
|
|
{ -1, 3, 0},{ 5, 1, 0},{ -5, 1, 0},{ 21, 0, 0},{-21, 0, 0},
|
|
},
|
|
//level_add
|
|
{22, 6, 3, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
|
|
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
|
|
2, //golomb_order
|
|
INT_MAX, //inc_limit
|
|
3 //max_run
|
|
}
|
|
};
|
|
|
|
static const residual_vlc_t chroma_2dvlc[5] = {
|
|
{
|
|
{ //level / run
|
|
{ 1, 0, 1},{ -1, 0, 1},{ 1, 1, 1},{ -1, 1, 1},{ 1, 2, 1},{ -1, 2, 1},
|
|
{ 1, 3, 1},{ -1, 3, 1},{ 1, 4, 1},{ -1, 4, 1},{ 1, 5, 1},{ -1, 5, 1},
|
|
{ 1, 6, 1},{ -1, 6, 1},{ 2, 0, 2},{ -2, 0, 2},{ 1, 7, 1},{ -1, 7, 1},
|
|
{ 1, 8, 1},{ -1, 8, 1},{ 1, 9, 1},{ -1, 9, 1},{ 1,10, 1},{ -1,10, 1},
|
|
{ 1,11, 1},{ -1,11, 1},{ 1,12, 1},{ -1,12, 1},{ 1,13, 1},{ -1,13, 1},
|
|
{ 1,14, 1},{ -1,14, 1},{ 3, 0, 3},{ -3, 0, 3},{ 1,15, 1},{ -1,15, 1},
|
|
{ 1,16, 1},{ -1,16, 1},{ 1,17, 1},{ -1,17, 1},{ 1,18, 1},{ -1,18, 1},
|
|
{ 1,19, 1},{ -1,19, 1},{ 1,20, 1},{ -1,20, 1},{ 1,21, 1},{ -1,21, 1},
|
|
{ 2, 1, 2},{ -2, 1, 2},{ 1,22, 1},{ -1,22, 1},{ 1,23, 1},{ -1,23, 1},
|
|
{ 1,24, 1},{ -1,24, 1},{ 4, 0, 3},{ -4, 0, 3},{ 0, 0,-1}
|
|
},
|
|
//level_add
|
|
{ 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2,-1},
|
|
2, //golomb_order
|
|
0, //inc_limit
|
|
24, //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 0, 0, 0},{ 1, 0, 0},{ -1, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 2, 0, 1},
|
|
{ -2, 0, 1},{ 1, 2, 0},{ -1, 2, 0},{ 1, 3, 0},{ -1, 3, 0},{ 1, 4, 0},
|
|
{ -1, 4, 0},{ 1, 5, 0},{ -1, 5, 0},{ 3, 0, 2},{ -3, 0, 2},{ 1, 6, 0},
|
|
{ -1, 6, 0},{ 1, 7, 0},{ -1, 7, 0},{ 2, 1, 1},{ -2, 1, 1},{ 1, 8, 0},
|
|
{ -1, 8, 0},{ 1, 9, 0},{ -1, 9, 0},{ 1,10, 0},{ -1,10, 0},{ 4, 0, 2},
|
|
{ -4, 0, 2},{ 1,11, 0},{ -1,11, 0},{ 1,12, 0},{ -1,12, 0},{ 1,13, 0},
|
|
{ -1,13, 0},{ 2, 2, 1},{ -2, 2, 1},{ 1,14, 0},{ -1,14, 0},{ 2, 3, 1},
|
|
{ -2, 3, 1},{ 5, 0, 3},{ -5, 0, 3},{ 3, 1, 2},{ -3, 1, 2},{ 1,15, 0},
|
|
{ -1,15, 0},{ 1,16, 0},{ -1,16, 0},{ 1,17, 0},{ -1,17, 0},{ 2, 4, 1},
|
|
{ -2, 4, 1},{ 1,18, 0},{ -1,18, 0},{ 1,19, 0},{ -1,19, 0},
|
|
},
|
|
//level_add
|
|
{ 6, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2,-1,-1,-1,-1,-1,-1},
|
|
0, //golomb_order
|
|
1, //inc_limit
|
|
19, //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 1, 0, 0},{ -1, 0, 0},{ 0, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 1, 1, 0},
|
|
{ -1, 1, 0},{ 3, 0, 1},{ -3, 0, 1},{ 1, 2, 0},{ -1, 2, 0},{ 4, 0, 1},
|
|
{ -4, 0, 1},{ 2, 1, 0},{ -2, 1, 0},{ 1, 3, 0},{ -1, 3, 0},{ 5, 0, 2},
|
|
{ -5, 0, 2},{ 1, 4, 0},{ -1, 4, 0},{ 3, 1, 1},{ -3, 1, 1},{ 2, 2, 0},
|
|
{ -2, 2, 0},{ 1, 5, 0},{ -1, 5, 0},{ 6, 0, 2},{ -6, 0, 2},{ 1, 6, 0},
|
|
{ -1, 6, 0},{ 2, 3, 0},{ -2, 3, 0},{ 7, 0, 2},{ -7, 0, 2},{ 1, 7, 0},
|
|
{ -1, 7, 0},{ 4, 1, 1},{ -4, 1, 1},{ 1, 8, 0},{ -1, 8, 0},{ 3, 2, 1},
|
|
{ -3, 2, 1},{ 2, 4, 0},{ -2, 4, 0},{ 2, 5, 0},{ -2, 5, 0},{ 8, 0, 2},
|
|
{ -8, 0, 2},{ 1, 9, 0},{ -1, 9, 0},{ 1,10, 0},{ -1,10, 0},{ 9, 0, 2},
|
|
{ -9, 0, 2},{ 5, 1, 2},{ -5, 1, 2},{ 3, 3, 1},{ -3, 3, 1},
|
|
},
|
|
//level_add
|
|
{10, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2,-1,-1,-1,-1,-1,
|
|
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
|
|
1, //golomb_order
|
|
2, //inc_limit
|
|
10, //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 0, 0, 0},{ 1, 0, 0},{ -1, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 3, 0, 0},
|
|
{ -3, 0, 0},{ 4, 0, 0},{ -4, 0, 0},{ 1, 1, 0},{ -1, 1, 0},{ 5, 0, 1},
|
|
{ -5, 0, 1},{ 2, 1, 0},{ -2, 1, 0},{ 6, 0, 1},{ -6, 0, 1},{ 1, 2, 0},
|
|
{ -1, 2, 0},{ 7, 0, 1},{ -7, 0, 1},{ 3, 1, 0},{ -3, 1, 0},{ 8, 0, 1},
|
|
{ -8, 0, 1},{ 1, 3, 0},{ -1, 3, 0},{ 2, 2, 0},{ -2, 2, 0},{ 9, 0, 1},
|
|
{ -9, 0, 1},{ 4, 1, 0},{ -4, 1, 0},{ 1, 4, 0},{ -1, 4, 0},{ 10, 0, 1},
|
|
{-10, 0, 1},{ 3, 2, 0},{ -3, 2, 0},{ 5, 1, 1},{ -5, 1, 1},{ 2, 3, 0},
|
|
{ -2, 3, 0},{ 11, 0, 1},{-11, 0, 1},{ 1, 5, 0},{ -1, 5, 0},{ 12, 0, 1},
|
|
{-12, 0, 1},{ 1, 6, 0},{ -1, 6, 0},{ 6, 1, 1},{ -6, 1, 1},{ 13, 0, 1},
|
|
{-13, 0, 1},{ 2, 4, 0},{ -2, 4, 0},{ 1, 7, 0},{ -1, 7, 0},
|
|
},
|
|
//level_add
|
|
{14, 7, 4, 3, 3, 2, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,
|
|
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
|
|
1, //golomb_order
|
|
4, //inc_limit
|
|
7, //max_run
|
|
},{
|
|
{ //level / run
|
|
{ 0, 0, 0},{ 1, 0, 0},{ -1, 0, 0},{ 2, 0, 0},{ -2, 0, 0},{ 3, 0, 0},
|
|
{ -3, 0, 0},{ 4, 0, 0},{ -4, 0, 0},{ 5, 0, 0},{ -5, 0, 0},{ 6, 0, 0},
|
|
{ -6, 0, 0},{ 7, 0, 0},{ -7, 0, 0},{ 8, 0, 0},{ -8, 0, 0},{ 1, 1, 0},
|
|
{ -1, 1, 0},{ 9, 0, 0},{ -9, 0, 0},{ 10, 0, 0},{-10, 0, 0},{ 11, 0, 0},
|
|
{-11, 0, 0},{ 2, 1, 0},{ -2, 1, 0},{ 12, 0, 0},{-12, 0, 0},{ 13, 0, 0},
|
|
{-13, 0, 0},{ 3, 1, 0},{ -3, 1, 0},{ 14, 0, 0},{-14, 0, 0},{ 1, 2, 0},
|
|
{ -1, 2, 0},{ 15, 0, 0},{-15, 0, 0},{ 4, 1, 0},{ -4, 1, 0},{ 16, 0, 0},
|
|
{-16, 0, 0},{ 17, 0, 0},{-17, 0, 0},{ 5, 1, 0},{ -5, 1, 0},{ 1, 3, 0},
|
|
{ -1, 3, 0},{ 2, 2, 0},{ -2, 2, 0},{ 18, 0, 0},{-18, 0, 0},{ 6, 1, 0},
|
|
{ -6, 1, 0},{ 19, 0, 0},{-19, 0, 0},{ 1, 4, 0},{ -1, 4, 0},
|
|
},
|
|
//level_add
|
|
{20, 7, 3, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
|
|
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
|
|
0, //golomb_order
|
|
INT_MAX, //inc_limit
|
|
4, //max_run
|
|
}
|
|
};
|
|
|
|
static const uint8_t alpha_tab[64] = {
|
|
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3,
|
|
4, 4, 5, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20,
|
|
22, 24, 26, 28, 30, 33, 33, 35, 35, 36, 37, 37, 39, 39, 42, 44,
|
|
46, 48, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64
|
|
};
|
|
|
|
static const uint8_t beta_tab[64] = {
|
|
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
|
|
2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6,
|
|
6, 7, 7, 7, 8, 8, 8, 9, 9, 10, 10, 11, 11, 12, 13, 14,
|
|
15, 16, 17, 18, 19, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 27
|
|
};
|
|
|
|
static const uint8_t tc_tab[64] = {
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
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2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4,
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5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9
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};
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static const int_fast8_t left_modifier_l[8] = { 0,-1, 6,-1,-1, 7, 6, 7};
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static const int_fast8_t top_modifier_l[8] = {-1, 1, 5,-1,-1, 5, 7, 7};
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static const int_fast8_t left_modifier_c[7] = { 5,-1, 2,-1, 6, 5, 6};
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static const int_fast8_t top_modifier_c[7] = { 4, 1,-1,-1, 4, 6, 6};
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