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			506 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			506 lines
		
	
	
		
			23 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 file is part of FFmpeg.
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|  *
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|  * FFmpeg 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 2.1 of the License, or (at your option) any later version.
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|  *
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|  * FFmpeg 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 FFmpeg; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
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| 
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| #ifndef AVCODEC_CAVSDATA_H
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| #define AVCODEC_CAVSDATA_H
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| 
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| #include "cavs.h"
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| 
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| const uint8_t ff_cavs_partition_flags[30] = {
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|   0,                                 //I_8X8
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|   0,                                 //P_SKIP
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|   0,                                 //P_16X16
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|                       SPLITH,        //P_16X8
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|                              SPLITV, //P_8X16
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|                       SPLITH|SPLITV, //P_8X8
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|                       SPLITH|SPLITV, //B_SKIP
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|                       SPLITH|SPLITV, //B_DIRECT
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|   0,                                 //B_FWD_16X16
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|   0,                                 //B_BWD_16X16
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|   0,                                 //B_SYM_16X16
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|   FWD0|FWD1          |SPLITH,
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|   FWD0|FWD1                 |SPLITV,
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|   BWD0|BWD1          |SPLITH,
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|   BWD0|BWD1                 |SPLITV,
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|   FWD0|BWD1          |SPLITH,
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|   FWD0|BWD1                 |SPLITV,
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|   BWD0|FWD1          |SPLITH,
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|   BWD0|FWD1                 |SPLITV,
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|   FWD0|FWD1     |SYM1|SPLITH,
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|   FWD0|FWD1     |SYM1       |SPLITV,
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|   BWD0|FWD1     |SYM1|SPLITH,
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|   BWD0|FWD1     |SYM1       |SPLITV,
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|   FWD0|FWD1|SYM0     |SPLITH,
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|   FWD0|FWD1|SYM0            |SPLITV,
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|   FWD0|BWD1|SYM0     |SPLITH,
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|   FWD0|BWD1|SYM0            |SPLITV,
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|   FWD0|FWD1|SYM0|SYM1|SPLITH,
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|   FWD0|FWD1|SYM0|SYM1       |SPLITV,
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|                       SPLITH|SPLITV, //B_8X8 = 29
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| };
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| 
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| const uint8_t ff_cavs_scan3x3[4] = {4,5,7,8};
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| 
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| const uint8_t ff_cavs_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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| 
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| const uint8_t ff_cavs_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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| 
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| const uint16_t ff_cavs_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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| 
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| /** mark block as unavailable, i.e. out of picture
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|     or not yet decoded */
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| const cavs_vector ff_cavs_un_mv    = {0,0,1,NOT_AVAIL};
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| 
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| /** mark block as "no prediction from this direction"
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|     e.g. forward motion vector in BWD partition */
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| const cavs_vector ff_cavs_dir_mv   = {0,0,1,REF_DIR};
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| 
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| /** mark block as using intra prediction */
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| const cavs_vector ff_cavs_intra_mv = {0,0,1,REF_INTRA};
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| 
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| #define EOB 0,0,0
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| 
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| const struct dec_2dvlc ff_cavs_intra_dec[7] = {
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|   {
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|     { //level / run / table_inc
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|       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},
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|       {  1, 4, 1},{ -1, 4, 1},{  1, 5, 1},{ -1, 5, 1},{  1, 6, 1},{ -1, 6, 1},
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|       {  1, 7, 1},{ -1, 7, 1},{  1, 8, 1},{ -1, 8, 1},{  1, 9, 1},{ -1, 9, 1},
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|       {  1,10, 1},{ -1,10, 1},{  1,11, 1},{ -1,11, 1},{  2, 1, 2},{ -2, 1, 2},
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|       {  1,12, 1},{ -1,12, 1},{  1,13, 1},{ -1,13, 1},{  1,14, 1},{ -1,14, 1},
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|       {  1,15, 1},{ -1,15, 1},{  2, 2, 2},{ -2, 2, 2},{  1,16, 1},{ -1,16, 1},
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|       {  1,17, 1},{ -1,17, 1},{  3, 1, 3},{ -3, 1, 3},{  1,18, 1},{ -1,18, 1},
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|       {  1,19, 1},{ -1,19, 1},{  2, 3, 2},{ -2, 3, 2},{  1,20, 1},{ -1,20, 1},
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|       {  1,21, 1},{ -1,21, 1},{  2, 4, 2},{ -2, 4, 2},{  1,22, 1},{ -1,22, 1},
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|       {  2, 5, 2},{ -2, 5, 2},{  1,23, 1},{ -1,23, 1},{   EOB   }
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|     },
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|     //level_add
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|     { 0, 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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|     23, //max_run
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|   },{
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|     { //level / run
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|       {  1, 1, 0},{ -1, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  2, 1, 1},{ -2, 1, 1},
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|       {  1, 3, 0},{ -1, 3, 0},{   EOB   },{  1, 4, 0},{ -1, 4, 0},{  1, 5, 0},
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|       { -1, 5, 0},{  1, 6, 0},{ -1, 6, 0},{  3, 1, 2},{ -3, 1, 2},{  2, 2, 1},
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|       { -2, 2, 1},{  1, 7, 0},{ -1, 7, 0},{  1, 8, 0},{ -1, 8, 0},{  1, 9, 0},
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|       { -1, 9, 0},{  2, 3, 1},{ -2, 3, 1},{  4, 1, 2},{ -4, 1, 2},{  1,10, 0},
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|       { -1,10, 0},{  1,11, 0},{ -1,11, 0},{  2, 4, 1},{ -2, 4, 1},{  3, 2, 2},
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|       { -3, 2, 2},{  1,12, 0},{ -1,12, 0},{  2, 5, 1},{ -2, 5, 1},{  5, 1, 3},
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|       { -5, 1, 3},{  1,13, 0},{ -1,13, 0},{  2, 6, 1},{ -2, 6, 1},{  1,14, 0},
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|       { -1,14, 0},{  2, 7, 1},{ -2, 7, 1},{  2, 8, 1},{ -2, 8, 1},{  3, 3, 2},
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|       { -3, 3, 2},{  6, 1, 3},{ -6, 1, 3},{  1,15, 0},{ -1,15, 0}
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|     },
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|     //level_add
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|     { 0, 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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|     15, //max_run
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|   },{
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|     { //level / run
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|       {  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  1, 2, 0},{ -1, 2, 0},
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|       {  3, 1, 1},{ -3, 1, 1},{   EOB   },{  1, 3, 0},{ -1, 3, 0},{  2, 2, 0},
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|       { -2, 2, 0},{  4, 1, 1},{ -4, 1, 1},{  1, 4, 0},{ -1, 4, 0},{  5, 1, 2},
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|       { -5, 1, 2},{  1, 5, 0},{ -1, 5, 0},{  3, 2, 1},{ -3, 2, 1},{  2, 3, 0},
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|       { -2, 3, 0},{  1, 6, 0},{ -1, 6, 0},{  6, 1, 2},{ -6, 1, 2},{  2, 4, 0},
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|       { -2, 4, 0},{  1, 7, 0},{ -1, 7, 0},{  4, 2, 1},{ -4, 2, 1},{  7, 1, 2},
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|       { -7, 1, 2},{  3, 3, 1},{ -3, 3, 1},{  2, 5, 0},{ -2, 5, 0},{  1, 8, 0},
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|       { -1, 8, 0},{  2, 6, 0},{ -2, 6, 0},{  8, 1, 3},{ -8, 1, 3},{  1, 9, 0},
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|       { -1, 9, 0},{  5, 2, 2},{ -5, 2, 2},{  3, 4, 1},{ -3, 4, 1},{  2, 7, 0},
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|       { -2, 7, 0},{  9, 1, 3},{ -9, 1, 3},{  1,10, 0},{ -1,10, 0}
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|     },
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|     //level_add
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|     { 0,10, 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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|     10, //max_run
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|   },{
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|     { //level / run
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|       {  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},{ -3, 1, 0},
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|       {  1, 2, 0},{ -1, 2, 0},{   EOB   },{  4, 1, 0},{ -4, 1, 0},{  5, 1, 1},
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|       { -5, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  1, 3, 0},{ -1, 3, 0},{  6, 1, 1},
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|       { -6, 1, 1},{  3, 2, 0},{ -3, 2, 0},{  7, 1, 1},{ -7, 1, 1},{  1, 4, 0},
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|       { -1, 4, 0},{  8, 1, 2},{ -8, 1, 2},{  2, 3, 0},{ -2, 3, 0},{  4, 2, 0},
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|       { -4, 2, 0},{  1, 5, 0},{ -1, 5, 0},{  9, 1, 2},{ -9, 1, 2},{  5, 2, 1},
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|       { -5, 2, 1},{  2, 4, 0},{ -2, 4, 0},{ 10, 1, 2},{-10, 1, 2},{  3, 3, 0},
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|       { -3, 3, 0},{  1, 6, 0},{ -1, 6, 0},{ 11, 1, 3},{-11, 1, 3},{  6, 2, 1},
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|       { -6, 2, 1},{  1, 7, 0},{ -1, 7, 0},{  2, 5, 0},{ -2, 5, 0},{  3, 4, 0},
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|       { -3, 4, 0},{ 12, 1, 3},{-12, 1, 3},{  4, 3, 0},{ -4, 3, 0}
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|     },
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|     //level_add
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|     { 0,13, 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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|     7, //max_run
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|   },{
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|     { //level / run
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|       {  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},{ -3, 1, 0},
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|       {   EOB   },{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
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|       { -6, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 1},
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|       { -8, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  9, 1, 1},{ -9, 1, 1},{ 10, 1, 1},
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|       {-10, 1, 1},{  1, 3, 0},{ -1, 3, 0},{  3, 2, 0},{ -3, 2, 0},{ 11, 1, 2},
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|       {-11, 1, 2},{  4, 2, 0},{ -4, 2, 0},{ 12, 1, 2},{-12, 1, 2},{ 13, 1, 2},
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|       {-13, 1, 2},{  5, 2, 0},{ -5, 2, 0},{  1, 4, 0},{ -1, 4, 0},{  2, 3, 0},
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|       { -2, 3, 0},{ 14, 1, 2},{-14, 1, 2},{  6, 2, 0},{ -6, 2, 0},{ 15, 1, 2},
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|       {-15, 1, 2},{ 16, 1, 2},{-16, 1, 2},{  3, 3, 0},{ -3, 3, 0},{  1, 5, 0},
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|       { -1, 5, 0},{  7, 2, 0},{ -7, 2, 0},{ 17, 1, 2},{-17, 1, 2}
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|     },
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|     //level_add
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|     { 0,18, 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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|     5, //max_run
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|   },{
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|     { //level / run
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|       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
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|       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
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|       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},{ -8, 1, 0},{  9, 1, 0},
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|       { -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{  1, 2, 0},{ -1, 2, 0},{ 11, 1, 1},
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|       {-11, 1, 1},{ 12, 1, 1},{-12, 1, 1},{ 13, 1, 1},{-13, 1, 1},{  2, 2, 0},
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|       { -2, 2, 0},{ 14, 1, 1},{-14, 1, 1},{ 15, 1, 1},{-15, 1, 1},{  3, 2, 0},
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|       { -3, 2, 0},{ 16, 1, 1},{-16, 1, 1},{  1, 3, 0},{ -1, 3, 0},{ 17, 1, 1},
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|       {-17, 1, 1},{  4, 2, 0},{ -4, 2, 0},{ 18, 1, 1},{-18, 1, 1},{  5, 2, 0},
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|       { -5, 2, 0},{ 19, 1, 1},{-19, 1, 1},{ 20, 1, 1},{-20, 1, 1},{  6, 2, 0},
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|       { -6, 2, 0},{ 21, 1, 1},{-21, 1, 1},{  2, 3, 0},{ -2, 3, 0}
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|     },
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|     //level_add
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|     { 0,22, 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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|     3, //max_run
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|   },{
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|     { //level / run
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|       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
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|       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
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|       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},{ -8, 1, 0},{  9, 1, 0},
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|       { -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{ 11, 1, 0},{-11, 1, 0},{ 12, 1, 0},
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|       {-12, 1, 0},{ 13, 1, 0},{-13, 1, 0},{ 14, 1, 0},{-14, 1, 0},{ 15, 1, 0},
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|       {-15, 1, 0},{ 16, 1, 0},{-16, 1, 0},{  1, 2, 0},{ -1, 2, 0},{ 17, 1, 0},
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|       {-17, 1, 0},{ 18, 1, 0},{-18, 1, 0},{ 19, 1, 0},{-19, 1, 0},{ 20, 1, 0},
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|       {-20, 1, 0},{ 21, 1, 0},{-21, 1, 0},{  2, 2, 0},{ -2, 2, 0},{ 22, 1, 0},
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|       {-22, 1, 0},{ 23, 1, 0},{-23, 1, 0},{ 24, 1, 0},{-24, 1, 0},{ 25, 1, 0},
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|       {-25, 1, 0},{  3, 2, 0},{ -3, 2, 0},{ 26, 1, 0},{-26, 1, 0}
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|     },
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|     //level_add
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|     { 0,27, 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
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|     INT_MAX, //inc_limit
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|     2, //max_run
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|   }
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| };
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| 
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| const struct dec_2dvlc ff_cavs_inter_dec[7] = {
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|   {
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|     { //level / run
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|       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},
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|       {  1, 4, 1},{ -1, 4, 1},{  1, 5, 1},{ -1, 5, 1},{  1, 6, 1},{ -1, 6, 1},
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|       {  1, 7, 1},{ -1, 7, 1},{  1, 8, 1},{ -1, 8, 1},{  1, 9, 1},{ -1, 9, 1},
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|       {  1,10, 1},{ -1,10, 1},{  1,11, 1},{ -1,11, 1},{  1,12, 1},{ -1,12, 1},
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|       {  1,13, 1},{ -1,13, 1},{  2, 1, 2},{ -2, 1, 2},{  1,14, 1},{ -1,14, 1},
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|       {  1,15, 1},{ -1,15, 1},{  1,16, 1},{ -1,16, 1},{  1,17, 1},{ -1,17, 1},
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|       {  1,18, 1},{ -1,18, 1},{  1,19, 1},{ -1,19, 1},{  3, 1, 3},{ -3, 1, 3},
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|       {  1,20, 1},{ -1,20, 1},{  1,21, 1},{ -1,21, 1},{  2, 2, 2},{ -2, 2, 2},
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|       {  1,22, 1},{ -1,22, 1},{  1,23, 1},{ -1,23, 1},{  1,24, 1},{ -1,24, 1},
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|       {  1,25, 1},{ -1,25, 1},{  1,26, 1},{ -1,26, 1},{   EOB   }
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|     },
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|     //level_add
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|     { 0, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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|       2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
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|     3, //golomb_order
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|     0, //inc_limit
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|     26 //max_run
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|   },{
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|     { //level / run
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|       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  1, 2, 0},{ -1, 2, 0},{  1, 3, 0},
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|       { -1, 3, 0},{  1, 4, 0},{ -1, 4, 0},{  1, 5, 0},{ -1, 5, 0},{  1, 6, 0},
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|       { -1, 6, 0},{  2, 1, 1},{ -2, 1, 1},{  1, 7, 0},{ -1, 7, 0},{  1, 8, 0},
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|       { -1, 8, 0},{  1, 9, 0},{ -1, 9, 0},{  1,10, 0},{ -1,10, 0},{  2, 2, 1},
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|       { -2, 2, 1},{  1,11, 0},{ -1,11, 0},{  1,12, 0},{ -1,12, 0},{  3, 1, 2},
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|       { -3, 1, 2},{  1,13, 0},{ -1,13, 0},{  1,14, 0},{ -1,14, 0},{  2, 3, 1},
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|       { -2, 3, 1},{  1,15, 0},{ -1,15, 0},{  2, 4, 1},{ -2, 4, 1},{  1,16, 0},
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|       { -1,16, 0},{  2, 5, 1},{ -2, 5, 1},{  1,17, 0},{ -1,17, 0},{  4, 1, 3},
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|       { -4, 1, 3},{  2, 6, 1},{ -2, 6, 1},{  1,18, 0},{ -1,18, 0},{  1,19, 0},
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|       { -1,19, 0},{  2, 7, 1},{ -2, 7, 1},{  3, 2, 2},{ -3, 2, 2}
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|     },
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|     //level_add
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|     { 0, 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
 | |
|     19 //max_run
 | |
|   },{
 | |
|     { //level / run
 | |
|       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  1, 2, 0},{ -1, 2, 0},{  2, 1, 0},
 | |
|       { -2, 1, 0},{  1, 3, 0},{ -1, 3, 0},{  1, 4, 0},{ -1, 4, 0},{  3, 1, 1},
 | |
|       { -3, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  1, 5, 0},{ -1, 5, 0},{  1, 6, 0},
 | |
|       { -1, 6, 0},{  1, 7, 0},{ -1, 7, 0},{  2, 3, 0},{ -2, 3, 0},{  4, 1, 2},
 | |
|       { -4, 1, 2},{  1, 8, 0},{ -1, 8, 0},{  3, 2, 1},{ -3, 2, 1},{  2, 4, 0},
 | |
|       { -2, 4, 0},{  1, 9, 0},{ -1, 9, 0},{  1,10, 0},{ -1,10, 0},{  5, 1, 2},
 | |
|       { -5, 1, 2},{  2, 5, 0},{ -2, 5, 0},{  1,11, 0},{ -1,11, 0},{  2, 6, 0},
 | |
|       { -2, 6, 0},{  1,12, 0},{ -1,12, 0},{  3, 3, 1},{ -3, 3, 1},{  6, 1, 2},
 | |
|       { -6, 1, 2},{  4, 2, 2},{ -4, 2, 2},{  1,13, 0},{ -1,13, 0},{  2, 7, 0},
 | |
|       { -2, 7, 0},{  3, 4, 1},{ -3, 4, 1},{  1,14, 0},{ -1,14, 0}
 | |
|     },
 | |
|     //level_add
 | |
|     { 0, 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
 | |
|     14 //max_run
 | |
|   },{
 | |
|     { //level / run
 | |
|       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  2, 1, 0},{ -2, 1, 0},{  1, 2, 0},
 | |
|       { -1, 2, 0},{  3, 1, 0},{ -3, 1, 0},{  1, 3, 0},{ -1, 3, 0},{  2, 2, 0},
 | |
|       { -2, 2, 0},{  4, 1, 1},{ -4, 1, 1},{  1, 4, 0},{ -1, 4, 0},{  5, 1, 1},
 | |
|       { -5, 1, 1},{  1, 5, 0},{ -1, 5, 0},{  3, 2, 0},{ -3, 2, 0},{  2, 3, 0},
 | |
|       { -2, 3, 0},{  1, 6, 0},{ -1, 6, 0},{  6, 1, 1},{ -6, 1, 1},{  2, 4, 0},
 | |
|       { -2, 4, 0},{  1, 7, 0},{ -1, 7, 0},{  4, 2, 1},{ -4, 2, 1},{  7, 1, 2},
 | |
|       { -7, 1, 2},{  3, 3, 0},{ -3, 3, 0},{  1, 8, 0},{ -1, 8, 0},{  2, 5, 0},
 | |
|       { -2, 5, 0},{  8, 1, 2},{ -8, 1, 2},{  1, 9, 0},{ -1, 9, 0},{  3, 4, 0},
 | |
|       { -3, 4, 0},{  2, 6, 0},{ -2, 6, 0},{  5, 2, 1},{ -5, 2, 1},{  1,10, 0},
 | |
|       { -1,10, 0},{  9, 1, 2},{ -9, 1, 2},{  4, 3, 1},{ -4, 3, 1}
 | |
|     },
 | |
|     //level_add
 | |
|     { 0,10, 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
 | |
|     10 //max_run
 | |
|   },{
 | |
|     { //level / run
 | |
|       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 | |
|       { -3, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},
 | |
|       { -5, 1, 0},{  2, 2, 0},{ -2, 2, 0},{  1, 3, 0},{ -1, 3, 0},{  6, 1, 0},
 | |
|       { -6, 1, 0},{  3, 2, 0},{ -3, 2, 0},{  7, 1, 1},{ -7, 1, 1},{  1, 4, 0},
 | |
|       { -1, 4, 0},{  8, 1, 1},{ -8, 1, 1},{  2, 3, 0},{ -2, 3, 0},{  4, 2, 0},
 | |
|       { -4, 2, 0},{  1, 5, 0},{ -1, 5, 0},{  9, 1, 1},{ -9, 1, 1},{  5, 2, 0},
 | |
|       { -5, 2, 0},{  2, 4, 0},{ -2, 4, 0},{  1, 6, 0},{ -1, 6, 0},{ 10, 1, 2},
 | |
|       {-10, 1, 2},{  3, 3, 0},{ -3, 3, 0},{ 11, 1, 2},{-11, 1, 2},{  1, 7, 0},
 | |
|       { -1, 7, 0},{  6, 2, 0},{ -6, 2, 0},{  3, 4, 0},{ -3, 4, 0},{  2, 5, 0},
 | |
|       { -2, 5, 0},{ 12, 1, 2},{-12, 1, 2},{  4, 3, 0},{ -4, 3, 0}
 | |
|     },
 | |
|     //level_add
 | |
|     { 0,13, 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
 | |
|     7  //max_run
 | |
|   },{
 | |
|     { //level / run
 | |
|       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 | |
|       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  1, 2, 0},
 | |
|       { -1, 2, 0},{  6, 1, 0},{ -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},
 | |
|       { -8, 1, 0},{  2, 2, 0},{ -2, 2, 0},{  9, 1, 0},{ -9, 1, 0},{  1, 3, 0},
 | |
|       { -1, 3, 0},{ 10, 1, 1},{-10, 1, 1},{  3, 2, 0},{ -3, 2, 0},{ 11, 1, 1},
 | |
|       {-11, 1, 1},{  4, 2, 0},{ -4, 2, 0},{ 12, 1, 1},{-12, 1, 1},{  1, 4, 0},
 | |
|       { -1, 4, 0},{  2, 3, 0},{ -2, 3, 0},{ 13, 1, 1},{-13, 1, 1},{  5, 2, 0},
 | |
|       { -5, 2, 0},{ 14, 1, 1},{-14, 1, 1},{  6, 2, 0},{ -6, 2, 0},{  1, 5, 0},
 | |
|       { -1, 5, 0},{ 15, 1, 1},{-15, 1, 1},{  3, 3, 0},{ -3, 3, 0},{ 16, 1, 1},
 | |
|       {-16, 1, 1},{  2, 4, 0},{ -2, 4, 0},{  7, 2, 0},{ -7, 2, 0}
 | |
|     },
 | |
|     //level_add
 | |
|     { 0,17, 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
 | |
|     5  //max_run
 | |
|   },{
 | |
|     { //level / run
 | |
|       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 | |
|       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
 | |
|       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  8, 1, 0},
 | |
|       { -8, 1, 0},{  9, 1, 0},{ -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{ 11, 1, 0},
 | |
|       {-11, 1, 0},{ 12, 1, 0},{-12, 1, 0},{  2, 2, 0},{ -2, 2, 0},{ 13, 1, 0},
 | |
|       {-13, 1, 0},{  1, 3, 0},{ -1, 3, 0},{ 14, 1, 0},{-14, 1, 0},{ 15, 1, 0},
 | |
|       {-15, 1, 0},{  3, 2, 0},{ -3, 2, 0},{ 16, 1, 0},{-16, 1, 0},{ 17, 1, 0},
 | |
|       {-17, 1, 0},{ 18, 1, 0},{-18, 1, 0},{  4, 2, 0},{ -4, 2, 0},{ 19, 1, 0},
 | |
|       {-19, 1, 0},{ 20, 1, 0},{-20, 1, 0},{  2, 3, 0},{ -2, 3, 0},{  1, 4, 0},
 | |
|       { -1, 4, 0},{  5, 2, 0},{ -5, 2, 0},{ 21, 1, 0},{-21, 1, 0}
 | |
|     },
 | |
|     //level_add
 | |
|     { 0,22, 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
 | |
|     4 //max_run
 | |
|   }
 | |
| };
 | |
| 
 | |
| const struct dec_2dvlc ff_cavs_chroma_dec[5] = {
 | |
|   {
 | |
|     { //level / run
 | |
|       {  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},{  2, 1, 2},{ -2, 1, 2},{  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},
 | |
|       {  1,15, 1},{ -1,15, 1},{  3, 1, 3},{ -3, 1, 3},{  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},{  1,22, 1},{ -1,22, 1},
 | |
|       {  2, 2, 2},{ -2, 2, 2},{  1,23, 1},{ -1,23, 1},{  1,24, 1},{ -1,24, 1},
 | |
|       {  1,25, 1},{ -1,25, 1},{  4, 1, 3},{ -4, 1, 3},{   EOB   }
 | |
|     },
 | |
|     //level_add
 | |
|     { 0, 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
 | |
|     25 //max_run
 | |
|   },{
 | |
|     { //level / run
 | |
|       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  2, 1, 1},
 | |
|       { -2, 1, 1},{  1, 3, 0},{ -1, 3, 0},{  1, 4, 0},{ -1, 4, 0},{  1, 5, 0},
 | |
|       { -1, 5, 0},{  1, 6, 0},{ -1, 6, 0},{  3, 1, 2},{ -3, 1, 2},{  1, 7, 0},
 | |
|       { -1, 7, 0},{  1, 8, 0},{ -1, 8, 0},{  2, 2, 1},{ -2, 2, 1},{  1, 9, 0},
 | |
|       { -1, 9, 0},{  1,10, 0},{ -1,10, 0},{  1,11, 0},{ -1,11, 0},{  4, 1, 2},
 | |
|       { -4, 1, 2},{  1,12, 0},{ -1,12, 0},{  1,13, 0},{ -1,13, 0},{  1,14, 0},
 | |
|       { -1,14, 0},{  2, 3, 1},{ -2, 3, 1},{  1,15, 0},{ -1,15, 0},{  2, 4, 1},
 | |
|       { -2, 4, 1},{  5, 1, 3},{ -5, 1, 3},{  3, 2, 2},{ -3, 2, 2},{  1,16, 0},
 | |
|       { -1,16, 0},{  1,17, 0},{ -1,17, 0},{  1,18, 0},{ -1,18, 0},{  2, 5, 1},
 | |
|       { -2, 5, 1},{  1,19, 0},{ -1,19, 0},{  1,20, 0},{ -1,20, 0}
 | |
|     },
 | |
|     //level_add
 | |
|     { 0, 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
 | |
|     20 //max_run
 | |
|   },{
 | |
|     { //level / run
 | |
|       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  2, 1, 0},{ -2, 1, 0},{  1, 2, 0},
 | |
|       { -1, 2, 0},{  3, 1, 1},{ -3, 1, 1},{  1, 3, 0},{ -1, 3, 0},{  4, 1, 1},
 | |
|       { -4, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  1, 4, 0},{ -1, 4, 0},{  5, 1, 2},
 | |
|       { -5, 1, 2},{  1, 5, 0},{ -1, 5, 0},{  3, 2, 1},{ -3, 2, 1},{  2, 3, 0},
 | |
|       { -2, 3, 0},{  1, 6, 0},{ -1, 6, 0},{  6, 1, 2},{ -6, 1, 2},{  1, 7, 0},
 | |
|       { -1, 7, 0},{  2, 4, 0},{ -2, 4, 0},{  7, 1, 2},{ -7, 1, 2},{  1, 8, 0},
 | |
|       { -1, 8, 0},{  4, 2, 1},{ -4, 2, 1},{  1, 9, 0},{ -1, 9, 0},{  3, 3, 1},
 | |
|       { -3, 3, 1},{  2, 5, 0},{ -2, 5, 0},{  2, 6, 0},{ -2, 6, 0},{  8, 1, 2},
 | |
|       { -8, 1, 2},{  1,10, 0},{ -1,10, 0},{  1,11, 0},{ -1,11, 0},{  9, 1, 2},
 | |
|       { -9, 1, 2},{  5, 2, 2},{ -5, 2, 2},{  3, 4, 1},{ -3, 4, 1},
 | |
|     },
 | |
|     //level_add
 | |
|     { 0,10, 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
 | |
|     11 //max_run
 | |
|   },{
 | |
|     { //level / run
 | |
|       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 | |
|       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  5, 1, 1},
 | |
|       { -5, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  6, 1, 1},{ -6, 1, 1},{  1, 3, 0},
 | |
|       { -1, 3, 0},{  7, 1, 1},{ -7, 1, 1},{  3, 2, 0},{ -3, 2, 0},{  8, 1, 1},
 | |
|       { -8, 1, 1},{  1, 4, 0},{ -1, 4, 0},{  2, 3, 0},{ -2, 3, 0},{  9, 1, 1},
 | |
|       { -9, 1, 1},{  4, 2, 0},{ -4, 2, 0},{  1, 5, 0},{ -1, 5, 0},{ 10, 1, 1},
 | |
|       {-10, 1, 1},{  3, 3, 0},{ -3, 3, 0},{  5, 2, 1},{ -5, 2, 1},{  2, 4, 0},
 | |
|       { -2, 4, 0},{ 11, 1, 1},{-11, 1, 1},{  1, 6, 0},{ -1, 6, 0},{ 12, 1, 1},
 | |
|       {-12, 1, 1},{  1, 7, 0},{ -1, 7, 0},{  6, 2, 1},{ -6, 2, 1},{ 13, 1, 1},
 | |
|       {-13, 1, 1},{  2, 5, 0},{ -2, 5, 0},{  1, 8, 0},{ -1, 8, 0},
 | |
|     },
 | |
|     //level_add
 | |
|     { 0,14, 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
 | |
|     8  //max_run
 | |
|   },{
 | |
|     { //level / run
 | |
|       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 | |
|       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
 | |
|       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},{ -8, 1, 0},{  1, 2, 0},
 | |
|       { -1, 2, 0},{  9, 1, 0},{ -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{ 11, 1, 0},
 | |
|       {-11, 1, 0},{  2, 2, 0},{ -2, 2, 0},{ 12, 1, 0},{-12, 1, 0},{ 13, 1, 0},
 | |
|       {-13, 1, 0},{  3, 2, 0},{ -3, 2, 0},{ 14, 1, 0},{-14, 1, 0},{  1, 3, 0},
 | |
|       { -1, 3, 0},{ 15, 1, 0},{-15, 1, 0},{  4, 2, 0},{ -4, 2, 0},{ 16, 1, 0},
 | |
|       {-16, 1, 0},{ 17, 1, 0},{-17, 1, 0},{  5, 2, 0},{ -5, 2, 0},{  1, 4, 0},
 | |
|       { -1, 4, 0},{  2, 3, 0},{ -2, 3, 0},{ 18, 1, 0},{-18, 1, 0},{  6, 2, 0},
 | |
|       { -6, 2, 0},{ 19, 1, 0},{-19, 1, 0},{  1, 5, 0},{ -1, 5, 0},
 | |
|     },
 | |
|     //level_add
 | |
|     { 0,20, 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
 | |
|     5, //max_run
 | |
|   }
 | |
| };
 | |
| 
 | |
| #undef EOB
 | |
| 
 | |
| 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,
 | |
|   2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4,
 | |
|   5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9
 | |
| };
 | |
| 
 | |
| const int_fast8_t ff_left_modifier_l[8] = { 0,-1, 6,-1,-1, 7, 6, 7};
 | |
| const int_fast8_t ff_top_modifier_l[8]  = {-1, 1, 5,-1,-1, 5, 7, 7};
 | |
| const int_fast8_t ff_left_modifier_c[7] = { 5,-1, 2,-1, 6, 5, 6};
 | |
| const int_fast8_t ff_top_modifier_c[7]  = { 4, 1,-1,-1, 4, 6, 6};
 | |
| 
 | |
| #endif /* AVCODEC_CAVSDATA_H */
 | 
