/*****************************************************************************
- * cabac.c: h264 encoder library
+ * cabac.c: arithmetic coder
*****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: cabac.c,v 1.1 2004/06/03 19:27:06 fenrir Exp $
+ * Copyright (C) 2003-2015 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Loren Merritt <lorenm@u.washington.edu>
+ * Fiona Glaser <fiona@x264.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing@x264.com.
*****************************************************************************/
#include "common.h"
-static const int8_t x264_cabac_context_init_I[460][2] =
+static const int8_t x264_cabac_context_init_I[1024][2] =
{
/* 0 - 10 */
{ 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
{ -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
{ -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
{ 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
- { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 }
+ { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
+
+ /* 460 -> 1024 */
+ { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
+ { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
+ { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
+ { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
+ { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
+ { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
+ { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
+ { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
+ { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
+ { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
+ { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
+ { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
+ { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
+ { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
+ { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
+ { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
+ { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
+ { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
+ { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
+ { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
+ { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
+ { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
+ { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
+ { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
+ { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
+ { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
+ { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
+ { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
+ { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
+ { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
+ { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
+ { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
+ { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
+ { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
+ { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
+ { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
+ { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
+ { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
+ { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
+ { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
+ { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
+ { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
+ { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
+ { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
+ { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
+ { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
+ { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
+ { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
+ { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
+ { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
+ { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
+ { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
+ { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
+ { -23, 68 }, { -24, 50 }, { -11, 74 }, { -14, 106 },
+ { -13, 97 }, { -15, 90 }, { -12, 90 }, { -18, 88 },
+ { -10, 73 }, { -9, 79 }, { -14, 86 }, { -10, 73 },
+ { -10, 70 }, { -10, 69 }, { -5, 66 }, { -9, 64 },
+ { -5, 58 }, { 2, 59 }, { 23, -13 }, { 26, -13 },
+ { 40, -15 }, { 49, -14 }, { 44, 3 }, { 45, 6 },
+ { 44, 34 }, { 33, 54 }, { 19, 82 }, { 21, -10 },
+ { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
+ { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
+ { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
+ { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
+ { 0, 68 }, { -9, 92 }, { -17, 120 }, { -20, 112 },
+ { -18, 114 }, { -11, 85 }, { -15, 92 }, { -14, 89 },
+ { -26, 71 }, { -15, 81 }, { -14, 80 }, { 0, 68 },
+ { -14, 70 }, { -24, 56 }, { -23, 68 }, { -24, 50 },
+ { -11, 74 }, { -14, 106 }, { -13, 97 }, { -15, 90 },
+ { -12, 90 }, { -18, 88 }, { -10, 73 }, { -9, 79 },
+ { -14, 86 }, { -10, 73 }, { -10, 70 }, { -10, 69 },
+ { -5, 66 }, { -9, 64 }, { -5, 58 }, { 2, 59 },
+ { 23, -13 }, { 26, -13 }, { 40, -15 }, { 49, -14 },
+ { 44, 3 }, { 45, 6 }, { 44, 34 }, { 33, 54 },
+ { 19, 82 }, { 21, -10 }, { 24, -11 }, { 28, -8 },
+ { 28, -1 }, { 29, 3 }, { 29, 9 }, { 35, 20 },
+ { 29, 36 }, { 14, 67 }, { -3, 75 }, { -1, 23 },
+ { 1, 34 }, { 1, 43 }, { 0, 54 }, { -2, 55 },
+ { 0, 61 }, { 1, 64 }, { 0, 68 }, { -9, 92 },
+ { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
+ { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
+ { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
+ { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
+ { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
+ { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
+ { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
+ { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
+ { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
+ { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
+ { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
+ { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
+ { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
+ { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
+ { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
+ { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
+ { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
+ { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
+ { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
+ { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
+ { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
+ { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
+ { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
+ { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
+ { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
+ { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
+ { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
+ { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
+ { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
+ { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
+ { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
+ { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
+ { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
+ { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
+ { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
+ { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
+ { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
+ { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
+ { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
+ { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
+ { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
+ { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
+ { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
+ { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
+ { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
+ { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
+ { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
+ { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
+ { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
+ { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
+ { -4, 65 }, { -12, 73 }, { -8, 76 }, { -7, 80 },
+ { -9, 88 }, { -17, 110 }, { -3, 71 }, { -6, 42 },
+ { -5, 50 }, { -3, 54 }, { -2, 62 }, { 0, 58 },
+ { 1, 63 }, { -2, 72 }, { -1, 74 }, { -9, 91 },
+ { -5, 67 }, { -5, 27 }, { -3, 39 }, { -2, 44 },
+ { 0, 46 }, { -16, 64 }, { -8, 68 }, { -10, 78 },
+ { -6, 77 }, { -10, 86 }, { -12, 92 }, { -15, 55 },
+ { -10, 60 }, { -6, 62 }, { -4, 65 }, { -12, 73 },
+ { -8, 76 }, { -7, 80 }, { -9, 88 }, { -17, 110 },
+ { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
+ { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
+ { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }
};
-static const int8_t x264_cabac_context_init_PB[3][460][2] =
+static const int8_t x264_cabac_context_init_PB[3][1024][2] =
{
/* i_cabac_init_idc == 0 */
{
{ -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
{ 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
{ 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
+
+ /* 460 - 1024 */
+ { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
+ { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
+ { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
+ { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
+ { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
+ { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
+ { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
+ { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
+ { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
+ { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
+ { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
+ { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
+ { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
+ { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
+ { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
+ { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
+ { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
+ { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
+ { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
+ { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
+ { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
+ { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
+ { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
+ { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
+ { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
+ { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
+ { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
+ { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
+ { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
+ { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
+ { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
+ { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
+ { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
+ { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
+ { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
+ { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
+ { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
+ { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
+ { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
+ { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
+ { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
+ { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
+ { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
+ { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
+ { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
+ { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
+ { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
+ { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
+ { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
+ { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
+ { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
+ { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
+ { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
+ { -16, 66 }, { -22, 65 }, { -20, 63 }, { -5, 85 },
+ { -6, 81 }, { -10, 77 }, { -7, 81 }, { -17, 80 },
+ { -18, 73 }, { -4, 74 }, { -10, 83 }, { -9, 71 },
+ { -9, 67 }, { -1, 61 }, { -8, 66 }, { -14, 66 },
+ { 0, 59 }, { 2, 59 }, { 9, -2 }, { 26, -9 },
+ { 33, -9 }, { 39, -7 }, { 41, -2 }, { 45, 3 },
+ { 49, 9 }, { 45, 27 }, { 36, 59 }, { 21, -13 },
+ { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
+ { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
+ { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
+ { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
+ { -8, 66 }, { -8, 76 }, { -4, 79 }, { -7, 71 },
+ { -5, 69 }, { -9, 70 }, { -8, 66 }, { -10, 68 },
+ { -19, 73 }, { -12, 69 }, { -16, 70 }, { -15, 67 },
+ { -20, 62 }, { -19, 70 }, { -16, 66 }, { -22, 65 },
+ { -20, 63 }, { -5, 85 }, { -6, 81 }, { -10, 77 },
+ { -7, 81 }, { -17, 80 }, { -18, 73 }, { -4, 74 },
+ { -10, 83 }, { -9, 71 }, { -9, 67 }, { -1, 61 },
+ { -8, 66 }, { -14, 66 }, { 0, 59 }, { 2, 59 },
+ { 9, -2 }, { 26, -9 }, { 33, -9 }, { 39, -7 },
+ { 41, -2 }, { 45, 3 }, { 49, 9 }, { 45, 27 },
+ { 36, 59 }, { 21, -13 }, { 33, -14 }, { 39, -7 },
+ { 46, -2 }, { 51, 2 }, { 60, 6 }, { 61, 17 },
+ { 55, 34 }, { 42, 62 }, { -6, 66 }, { -7, 35 },
+ { -7, 42 }, { -8, 45 }, { -5, 48 }, { -12, 56 },
+ { -6, 60 }, { -5, 62 }, { -8, 66 }, { -8, 76 },
+ { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
+ { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
+ { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
+ { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
+ { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
+ { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
+ { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
+ { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
+ { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
+ { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
+ { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
+ { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
+ { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
+ { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
+ { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
+ { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
+ { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
+ { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
+ { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
+ { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
+ { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
+ { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
+ { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
+ { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
+ { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
+ { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
+ { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
+ { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
+ { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
+ { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
+ { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
+ { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
+ { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
+ { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
+ { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
+ { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
+ { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
+ { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
+ { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
+ { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
+ { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
+ { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
+ { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
+ { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
+ { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
+ { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
+ { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
+ { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
+ { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
+ { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
+ { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
+ { -3, 74 }, { -10, 90 }, { -6, 76 }, { -2, 44 },
+ { 0, 45 }, { 0, 52 }, { -3, 64 }, { -2, 59 },
+ { -4, 70 }, { -4, 75 }, { -8, 82 }, { -17, 102 },
+ { -9, 77 }, { 3, 24 }, { 0, 42 }, { 0, 48 },
+ { 0, 55 }, { -6, 59 }, { -7, 71 }, { -12, 83 },
+ { -11, 87 }, { -30, 119 }, { 1, 58 }, { -3, 29 },
+ { -1, 36 }, { 1, 38 }, { 2, 43 }, { -6, 55 },
+ { 0, 58 }, { 0, 64 }, { -3, 74 }, { -10, 90 },
+ { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
+ { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
+ { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }
},
/* i_cabac_init_idc == 1 */
{ -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
{ 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
{ 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
+
+ /* 460 - 1024 */
+ { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
+ { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
+ { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
+ { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
+ { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
+ { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
+ { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
+ { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
+ { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
+ { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
+ { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
+ { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
+ { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
+ { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
+ { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
+ { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
+ { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
+ { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
+ { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
+ { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
+ { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
+ { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
+ { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
+ { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
+ { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
+ { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
+ { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
+ { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
+ { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
+ { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
+ { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
+ { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
+ { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
+ { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
+ { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
+ { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
+ { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
+ { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
+ { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
+ { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
+ { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
+ { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
+ { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
+ { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
+ { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
+ { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
+ { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
+ { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
+ { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
+ { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
+ { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
+ { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
+ { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
+ { -14, 66 }, { 0, 59 }, { 2, 59 }, { -3, 81 },
+ { -3, 76 }, { -7, 72 }, { -6, 78 }, { -12, 72 },
+ { -14, 68 }, { -3, 70 }, { -6, 76 }, { -5, 66 },
+ { -5, 62 }, { 0, 57 }, { -4, 61 }, { -9, 60 },
+ { 1, 54 }, { 2, 58 }, { 17, -10 }, { 32, -13 },
+ { 42, -9 }, { 49, -5 }, { 53, 0 }, { 64, 3 },
+ { 68, 10 }, { 66, 27 }, { 47, 57 }, { 17, -10 },
+ { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
+ { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
+ { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
+ { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
+ { -4, 67 }, { -7, 82 }, { -5, 85 }, { -6, 81 },
+ { -10, 77 }, { -7, 81 }, { -17, 80 }, { -18, 73 },
+ { -4, 74 }, { -10, 83 }, { -9, 71 }, { -9, 67 },
+ { -1, 61 }, { -8, 66 }, { -14, 66 }, { 0, 59 },
+ { 2, 59 }, { -3, 81 }, { -3, 76 }, { -7, 72 },
+ { -6, 78 }, { -12, 72 }, { -14, 68 }, { -3, 70 },
+ { -6, 76 }, { -5, 66 }, { -5, 62 }, { 0, 57 },
+ { -4, 61 }, { -9, 60 }, { 1, 54 }, { 2, 58 },
+ { 17, -10 }, { 32, -13 }, { 42, -9 }, { 49, -5 },
+ { 53, 0 }, { 64, 3 }, { 68, 10 }, { 66, 27 },
+ { 47, 57 }, { 17, -10 }, { 32, -13 }, { 42, -9 },
+ { 49, -5 }, { 53, 0 }, { 64, 3 }, { 68, 10 },
+ { 66, 27 }, { 47, 57 }, { -5, 71 }, { 0, 24 },
+ { -1, 36 }, { -2, 42 }, { -2, 52 }, { -9, 57 },
+ { -6, 63 }, { -4, 65 }, { -4, 67 }, { -7, 82 },
+ { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
+ { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
+ { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
+ { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
+ { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
+ { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
+ { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
+ { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
+ { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
+ { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
+ { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
+ { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
+ { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
+ { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
+ { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
+ { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
+ { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
+ { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
+ { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
+ { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
+ { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
+ { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
+ { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
+ { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
+ { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
+ { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
+ { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
+ { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
+ { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
+ { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
+ { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
+ { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
+ { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
+ { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
+ { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
+ { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
+ { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
+ { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
+ { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
+ { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
+ { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
+ { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
+ { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
+ { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
+ { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
+ { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
+ { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
+ { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
+ { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
+ { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
+ { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
+ { -5, 74 }, { -9, 86 }, { -23, 112 }, { -15, 71 },
+ { -7, 61 }, { 0, 53 }, { -5, 66 }, { -11, 77 },
+ { -9, 80 }, { -9, 84 }, { -10, 87 }, { -34, 127 },
+ { -21, 101 }, { -3, 39 }, { -5, 53 }, { -7, 61 },
+ { -11, 75 }, { -15, 77 }, { -17, 91 }, { -25, 107 },
+ { -25, 111 }, { -28, 122 }, { -11, 76 }, { -10, 44 },
+ { -10, 52 }, { -10, 57 }, { -9, 58 }, { -16, 72 },
+ { -7, 69 }, { -4, 69 }, { -5, 74 }, { -9, 86 },
+ { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
+ { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
+ { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }
},
/* i_cabac_init_idc == 2 */
{ -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
{ 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
{ 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
+
+ /* 460 - 1024 */
+ { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
+ { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
+ { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
+ { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
+ { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
+ { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
+ { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
+ { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
+ { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
+ { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
+ { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
+ { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
+ { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
+ { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
+ { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
+ { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
+ { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
+ { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
+ { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
+ { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
+ { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
+ { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
+ { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
+ { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
+ { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
+ { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
+ { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
+ { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
+ { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
+ { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
+ { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
+ { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
+ { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
+ { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
+ { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
+ { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
+ { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
+ { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
+ { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
+ { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
+ { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
+ { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
+ { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
+ { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
+ { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
+ { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
+ { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
+ { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
+ { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
+ { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
+ { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
+ { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
+ { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
+ { -14, 59 }, { -9, 52 }, { -11, 68 }, { -3, 78 },
+ { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 },
+ { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 },
+ { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 },
+ { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 },
+ { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 },
+ { 37, 23 }, { 31, 38 }, { 20, 64 }, { 9, -2 },
+ { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
+ { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
+ { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
+ { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
+ { -6, 68 }, { -10, 79 }, { -3, 78 }, { -8, 74 },
+ { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 },
+ { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 },
+ { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 },
+ { -11, 68 }, { -3, 78 }, { -8, 74 }, { -9, 72 },
+ { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 },
+ { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 },
+ { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 },
+ { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 },
+ { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 },
+ { 20, 64 }, { 9, -2 }, { 30, -10 }, { 31, -4 },
+ { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 },
+ { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 },
+ { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 },
+ { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 },
+ { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
+ { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
+ { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
+ { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
+ { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
+ { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
+ { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
+ { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
+ { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
+ { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
+ { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
+ { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
+ { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
+ { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
+ { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
+ { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
+ { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
+ { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
+ { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
+ { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
+ { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
+ { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
+ { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
+ { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
+ { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
+ { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
+ { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
+ { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
+ { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
+ { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
+ { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
+ { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
+ { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
+ { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
+ { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
+ { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
+ { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
+ { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
+ { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
+ { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
+ { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
+ { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
+ { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
+ { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
+ { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
+ { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
+ { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
+ { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
+ { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
+ { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
+ { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
+ { -12, 92 }, { -18, 108 }, { -24, 115 }, { -22, 82 },
+ { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 },
+ { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 },
+ { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 },
+ { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 },
+ { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 },
+ { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 },
+ { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 },
+ { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
+ { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
+ { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }
}
};
-/* FIXME could avoid this duplication by reversing the order of states
- * with MPS=0, but that would uglify the other tables */
-static const uint8_t x264_cabac_range_lps[128][4] =
+const uint8_t x264_cabac_range_lps[64][4] =
{
- { 2, 2, 2, 2 },
- { 6, 7, 8, 9 }, { 6, 7, 9, 10 }, { 6, 8, 9, 11 },
- { 7, 8, 10, 11 }, { 7, 9, 10, 12 }, { 7, 9, 11, 12 },
- { 8, 9, 11, 13 }, { 8, 10, 12, 14 }, { 9, 11, 12, 14 },
- { 9, 11, 13, 15 }, { 10, 12, 14, 16 }, { 10, 12, 15, 17 },
- { 11, 13, 15, 18 }, { 11, 14, 16, 19 }, { 12, 14, 17, 20 },
- { 12, 15, 18, 21 }, { 13, 16, 19, 22 }, { 14, 17, 20, 23 },
- { 14, 18, 21, 24 }, { 15, 19, 22, 25 }, { 16, 20, 23, 27 },
- { 17, 21, 25, 28 }, { 18, 22, 26, 30 }, { 19, 23, 27, 31 },
- { 20, 24, 29, 33 }, { 21, 26, 30, 35 }, { 22, 27, 32, 37 },
- { 23, 28, 33, 39 }, { 24, 30, 35, 41 }, { 26, 31, 37, 43 },
- { 27, 33, 39, 45 }, { 29, 35, 41, 48 }, { 30, 37, 43, 50 },
- { 32, 39, 46, 53 }, { 33, 41, 48, 56 }, { 35, 43, 51, 59 },
- { 37, 45, 54, 62 }, { 39, 48, 56, 65 }, { 41, 50, 59, 69 },
- { 43, 53, 63, 72 }, { 46, 56, 66, 76 }, { 48, 59, 69, 80 },
- { 51, 62, 73, 85 }, { 53, 65, 77, 89 }, { 56, 69, 81, 94 },
- { 59, 72, 86, 99 }, { 62, 76, 90, 104 }, { 66, 80, 95, 110 },
- { 69, 85, 100, 116 }, { 73, 89, 105, 122 }, { 77, 94, 111, 128 },
- { 81, 99, 117, 135 }, { 85, 104, 123, 142 }, { 90, 110, 130, 150 },
- { 95, 116, 137, 158 }, { 100, 122, 144, 166 }, { 105, 128, 152, 175 },
- { 111, 135, 160, 185 }, { 116, 142, 169, 195 }, { 123, 150, 178, 205 },
- { 128, 158, 187, 216 }, { 128, 167, 197, 227 }, { 128, 176, 208, 240 },
-
- { 128, 176, 208, 240 }, { 128, 167, 197, 227 }, { 128, 158, 187, 216 },
- { 123, 150, 178, 205 }, { 116, 142, 169, 195 }, { 111, 135, 160, 185 },
- { 105, 128, 152, 175 }, { 100, 122, 144, 166 }, { 95, 116, 137, 158 },
- { 90, 110, 130, 150 }, { 85, 104, 123, 142 }, { 81, 99, 117, 135 },
- { 77, 94, 111, 128 }, { 73, 89, 105, 122 }, { 69, 85, 100, 116 },
- { 66, 80, 95, 110 }, { 62, 76, 90, 104 }, { 59, 72, 86, 99 },
- { 56, 69, 81, 94 }, { 53, 65, 77, 89 }, { 51, 62, 73, 85 },
- { 48, 59, 69, 80 }, { 46, 56, 66, 76 }, { 43, 53, 63, 72 },
- { 41, 50, 59, 69 }, { 39, 48, 56, 65 }, { 37, 45, 54, 62 },
- { 35, 43, 51, 59 }, { 33, 41, 48, 56 }, { 32, 39, 46, 53 },
- { 30, 37, 43, 50 }, { 29, 35, 41, 48 }, { 27, 33, 39, 45 },
- { 26, 31, 37, 43 }, { 24, 30, 35, 41 }, { 23, 28, 33, 39 },
- { 22, 27, 32, 37 }, { 21, 26, 30, 35 }, { 20, 24, 29, 33 },
- { 19, 23, 27, 31 }, { 18, 22, 26, 30 }, { 17, 21, 25, 28 },
- { 16, 20, 23, 27 }, { 15, 19, 22, 25 }, { 14, 18, 21, 24 },
- { 14, 17, 20, 23 }, { 13, 16, 19, 22 }, { 12, 15, 18, 21 },
- { 12, 14, 17, 20 }, { 11, 14, 16, 19 }, { 11, 13, 15, 18 },
- { 10, 12, 15, 17 }, { 10, 12, 14, 16 }, { 9, 11, 13, 15 },
- { 9, 11, 12, 14 }, { 8, 10, 12, 14 }, { 8, 9, 11, 13 },
- { 7, 9, 11, 12 }, { 7, 9, 10, 12 }, { 7, 8, 10, 11 },
- { 6, 8, 9, 11 }, { 6, 7, 9, 10 }, { 6, 7, 8, 9 },
- { 2, 2, 2, 2 },
+ { 2, 2, 2, 2}, { 6, 7, 8, 9}, { 6, 7, 9, 10}, { 6, 8, 9, 11},
+ { 7, 8, 10, 11}, { 7, 9, 10, 12}, { 7, 9, 11, 12}, { 8, 9, 11, 13},
+ { 8, 10, 12, 14}, { 9, 11, 12, 14}, { 9, 11, 13, 15}, { 10, 12, 14, 16},
+ { 10, 12, 15, 17}, { 11, 13, 15, 18}, { 11, 14, 16, 19}, { 12, 14, 17, 20},
+ { 12, 15, 18, 21}, { 13, 16, 19, 22}, { 14, 17, 20, 23}, { 14, 18, 21, 24},
+ { 15, 19, 22, 25}, { 16, 20, 23, 27}, { 17, 21, 25, 28}, { 18, 22, 26, 30},
+ { 19, 23, 27, 31}, { 20, 24, 29, 33}, { 21, 26, 30, 35}, { 22, 27, 32, 37},
+ { 23, 28, 33, 39}, { 24, 30, 35, 41}, { 26, 31, 37, 43}, { 27, 33, 39, 45},
+ { 29, 35, 41, 48}, { 30, 37, 43, 50}, { 32, 39, 46, 53}, { 33, 41, 48, 56},
+ { 35, 43, 51, 59}, { 37, 45, 54, 62}, { 39, 48, 56, 65}, { 41, 50, 59, 69},
+ { 43, 53, 63, 72}, { 46, 56, 66, 76}, { 48, 59, 69, 80}, { 51, 62, 73, 85},
+ { 53, 65, 77, 89}, { 56, 69, 81, 94}, { 59, 72, 86, 99}, { 62, 76, 90, 104},
+ { 66, 80, 95, 110}, { 69, 85, 100, 116}, { 73, 89, 105, 122}, { 77, 94, 111, 128},
+ { 81, 99, 117, 135}, { 85, 104, 123, 142}, { 90, 110, 130, 150}, { 95, 116, 137, 158},
+ {100, 122, 144, 166}, {105, 128, 152, 175}, {111, 135, 160, 185}, {116, 142, 169, 195},
+ {123, 150, 178, 205}, {128, 158, 187, 216}, {128, 167, 197, 227}, {128, 176, 208, 240}
};
-static const uint8_t x264_cabac_transition[2][128] =
-{{
- 0, 1, 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, 65, 66, 66, 68, 68, 69, 70, 71, 72, 73, 73, 75, 75, 76,
- 77, 77, 79, 79, 80, 80, 82, 82, 83, 83, 85, 85, 86, 86, 87, 88,
- 88, 89, 90, 90, 91, 91, 92, 93, 93, 94, 94, 94, 95, 96, 96, 97,
- 97, 97, 98, 98, 99, 99, 99,100,100,100,101,101,101,102,102,127,
-},{
- 0, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 30, 30,
- 30, 31, 31, 32, 33, 33, 33, 34, 34, 35, 36, 36, 37, 37, 38, 39,
- 39, 40, 41, 41, 42, 42, 44, 44, 45, 45, 47, 47, 48, 48, 50, 50,
- 51, 52, 52, 54, 54, 55, 56, 57, 58, 59, 59, 61, 61, 62, 63, 64,
- 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80,
- 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96,
- 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,112,
- 113,114,115,116,117,118,119,120,121,122,123,124,125,126,126,127,
-}};
-
-static const uint8_t renorm_shift[64]= {
- 6,5,4,4,3,3,3,3,2,2,2,2,2,2,2,2,
- 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+const uint8_t x264_cabac_transition[128][2] =
+{
+ { 0, 0}, { 1, 1}, { 2, 50}, { 51, 3}, { 2, 50}, { 51, 3}, { 4, 52}, { 53, 5},
+ { 6, 52}, { 53, 7}, { 8, 52}, { 53, 9}, { 10, 54}, { 55, 11}, { 12, 54}, { 55, 13},
+ { 14, 54}, { 55, 15}, { 16, 56}, { 57, 17}, { 18, 56}, { 57, 19}, { 20, 56}, { 57, 21},
+ { 22, 58}, { 59, 23}, { 24, 58}, { 59, 25}, { 26, 60}, { 61, 27}, { 28, 60}, { 61, 29},
+ { 30, 60}, { 61, 31}, { 32, 62}, { 63, 33}, { 34, 62}, { 63, 35}, { 36, 64}, { 65, 37},
+ { 38, 66}, { 67, 39}, { 40, 66}, { 67, 41}, { 42, 66}, { 67, 43}, { 44, 68}, { 69, 45},
+ { 46, 68}, { 69, 47}, { 48, 70}, { 71, 49}, { 50, 72}, { 73, 51}, { 52, 72}, { 73, 53},
+ { 54, 74}, { 75, 55}, { 56, 74}, { 75, 57}, { 58, 76}, { 77, 59}, { 60, 78}, { 79, 61},
+ { 62, 78}, { 79, 63}, { 64, 80}, { 81, 65}, { 66, 82}, { 83, 67}, { 68, 82}, { 83, 69},
+ { 70, 84}, { 85, 71}, { 72, 84}, { 85, 73}, { 74, 88}, { 89, 75}, { 76, 88}, { 89, 77},
+ { 78, 90}, { 91, 79}, { 80, 90}, { 91, 81}, { 82, 94}, { 95, 83}, { 84, 94}, { 95, 85},
+ { 86, 96}, { 97, 87}, { 88, 96}, { 97, 89}, { 90, 100}, {101, 91}, { 92, 100}, {101, 93},
+ { 94, 102}, {103, 95}, { 96, 104}, {105, 97}, { 98, 104}, {105, 99}, {100, 108}, {109, 101},
+ {102, 108}, {109, 103}, {104, 110}, {111, 105}, {106, 112}, {113, 107}, {108, 114}, {115, 109},
+ {110, 116}, {117, 111}, {112, 118}, {119, 113}, {114, 118}, {119, 115}, {116, 122}, {123, 117},
+ {118, 122}, {123, 119}, {120, 124}, {125, 121}, {122, 126}, {127, 123}, {124, 127}, {126, 125}
};
-static const uint8_t x264_cabac_probability[128] =
+const uint8_t x264_cabac_renorm_shift[64] =
{
- FIX8(0.9812), FIX8(0.9802), FIX8(0.9792), FIX8(0.9781),
- FIX8(0.9769), FIX8(0.9757), FIX8(0.9744), FIX8(0.9730),
- FIX8(0.9716), FIX8(0.9700), FIX8(0.9684), FIX8(0.9667),
- FIX8(0.9650), FIX8(0.9631), FIX8(0.9611), FIX8(0.9590),
- FIX8(0.9568), FIX8(0.9545), FIX8(0.9521), FIX8(0.9495),
- FIX8(0.9468), FIX8(0.9440), FIX8(0.9410), FIX8(0.9378),
- FIX8(0.9345), FIX8(0.9310), FIX8(0.9273), FIX8(0.9234),
- FIX8(0.9193), FIX8(0.9150), FIX8(0.9105), FIX8(0.9057),
- FIX8(0.9006), FIX8(0.8953), FIX8(0.8897), FIX8(0.8838),
- FIX8(0.8776), FIX8(0.8710), FIX8(0.8641), FIX8(0.8569),
- FIX8(0.8492), FIX8(0.8411), FIX8(0.8326), FIX8(0.8237),
- FIX8(0.8143), FIX8(0.8043), FIX8(0.7938), FIX8(0.7828),
- FIX8(0.7712), FIX8(0.7590), FIX8(0.7461), FIX8(0.7325),
- FIX8(0.7182), FIX8(0.7031), FIX8(0.6872), FIX8(0.6705),
- FIX8(0.6528), FIX8(0.6343), FIX8(0.6147), FIX8(0.5941),
- FIX8(0.5724), FIX8(0.5495), FIX8(0.5254), FIX8(0.5000),
- FIX8(0.5000), FIX8(0.4746), FIX8(0.4505), FIX8(0.4276),
- FIX8(0.4059), FIX8(0.3853), FIX8(0.3657), FIX8(0.3472),
- FIX8(0.3295), FIX8(0.3128), FIX8(0.2969), FIX8(0.2818),
- FIX8(0.2675), FIX8(0.2539), FIX8(0.2410), FIX8(0.2288),
- FIX8(0.2172), FIX8(0.2062), FIX8(0.1957), FIX8(0.1857),
- FIX8(0.1763), FIX8(0.1674), FIX8(0.1589), FIX8(0.1508),
- FIX8(0.1431), FIX8(0.1359), FIX8(0.1290), FIX8(0.1224),
- FIX8(0.1162), FIX8(0.1103), FIX8(0.1047), FIX8(0.0994),
- FIX8(0.0943), FIX8(0.0895), FIX8(0.0850), FIX8(0.0807),
- FIX8(0.0766), FIX8(0.0727), FIX8(0.0690), FIX8(0.0655),
- FIX8(0.0622), FIX8(0.0590), FIX8(0.0560), FIX8(0.0532),
- FIX8(0.0505), FIX8(0.0479), FIX8(0.0455), FIX8(0.0432),
- FIX8(0.0410), FIX8(0.0389), FIX8(0.0369), FIX8(0.0350),
- FIX8(0.0333), FIX8(0.0316), FIX8(0.0300), FIX8(0.0284),
- FIX8(0.0270), FIX8(0.0256), FIX8(0.0243), FIX8(0.0231),
- FIX8(0.0219), FIX8(0.0208), FIX8(0.0198), FIX8(0.0187)
+ 6,5,4,4,3,3,3,3,2,2,2,2,2,2,2,2,
+ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
};
+
/* -ln2(probability) */
-static const uint16_t x264_cabac_entropy[128] =
+const uint16_t x264_cabac_entropy[128] =
{
- FIX8(0.0273), FIX8(0.0288), FIX8(0.0303), FIX8(0.0320),
- FIX8(0.0337), FIX8(0.0355), FIX8(0.0375), FIX8(0.0395),
- FIX8(0.0416), FIX8(0.0439), FIX8(0.0463), FIX8(0.0488),
- FIX8(0.0515), FIX8(0.0543), FIX8(0.0572), FIX8(0.0604),
- FIX8(0.0637), FIX8(0.0671), FIX8(0.0708), FIX8(0.0747),
- FIX8(0.0788), FIX8(0.0832), FIX8(0.0878), FIX8(0.0926),
- FIX8(0.0977), FIX8(0.1032), FIX8(0.1089), FIX8(0.1149),
- FIX8(0.1214), FIX8(0.1282), FIX8(0.1353), FIX8(0.1429),
- FIX8(0.1510), FIX8(0.1596), FIX8(0.1686), FIX8(0.1782),
- FIX8(0.1884), FIX8(0.1992), FIX8(0.2107), FIX8(0.2229),
- FIX8(0.2358), FIX8(0.2496), FIX8(0.2642), FIX8(0.2798),
- FIX8(0.2964), FIX8(0.3142), FIX8(0.3331), FIX8(0.3532),
- FIX8(0.3748), FIX8(0.3979), FIX8(0.4226), FIX8(0.4491),
- FIX8(0.4776), FIX8(0.5082), FIX8(0.5412), FIX8(0.5768),
- FIX8(0.6152), FIX8(0.6568), FIX8(0.7020), FIX8(0.7513),
- FIX8(0.8050), FIX8(0.8638), FIX8(0.9285), FIX8(1.0000),
- FIX8(1.0000), FIX8(1.0752), FIX8(1.1504), FIX8(1.2256),
- FIX8(1.3008), FIX8(1.3759), FIX8(1.4511), FIX8(1.5263),
- FIX8(1.6015), FIX8(1.6767), FIX8(1.7519), FIX8(1.8271),
- FIX8(1.9023), FIX8(1.9775), FIX8(2.0527), FIX8(2.1278),
- FIX8(2.2030), FIX8(2.2782), FIX8(2.3534), FIX8(2.4286),
- FIX8(2.5038), FIX8(2.5790), FIX8(2.6542), FIX8(2.7294),
- FIX8(2.8046), FIX8(2.8797), FIX8(2.9549), FIX8(3.0301),
- FIX8(3.1053), FIX8(3.1805), FIX8(3.2557), FIX8(3.3309),
- FIX8(3.4061), FIX8(3.4813), FIX8(3.5565), FIX8(3.6316),
- FIX8(3.7068), FIX8(3.7820), FIX8(3.8572), FIX8(3.9324),
- FIX8(4.0076), FIX8(4.0828), FIX8(4.1580), FIX8(4.2332),
- FIX8(4.3083), FIX8(4.3836), FIX8(4.4588), FIX8(4.5339),
- FIX8(4.6091), FIX8(4.6843), FIX8(4.7595), FIX8(4.8347),
- FIX8(4.9099), FIX8(4.9851), FIX8(5.0602), FIX8(5.1354),
- FIX8(5.2106), FIX8(5.2859), FIX8(5.3610), FIX8(5.4362),
- FIX8(5.5114), FIX8(5.5866), FIX8(5.6618), FIX8(5.7370)
+ FIX8(0.0273), FIX8(5.7370), FIX8(0.0288), FIX8(5.6618),
+ FIX8(0.0303), FIX8(5.5866), FIX8(0.0320), FIX8(5.5114),
+ FIX8(0.0337), FIX8(5.4362), FIX8(0.0355), FIX8(5.3610),
+ FIX8(0.0375), FIX8(5.2859), FIX8(0.0395), FIX8(5.2106),
+ FIX8(0.0416), FIX8(5.1354), FIX8(0.0439), FIX8(5.0602),
+ FIX8(0.0463), FIX8(4.9851), FIX8(0.0488), FIX8(4.9099),
+ FIX8(0.0515), FIX8(4.8347), FIX8(0.0543), FIX8(4.7595),
+ FIX8(0.0572), FIX8(4.6843), FIX8(0.0604), FIX8(4.6091),
+ FIX8(0.0637), FIX8(4.5339), FIX8(0.0671), FIX8(4.4588),
+ FIX8(0.0708), FIX8(4.3836), FIX8(0.0747), FIX8(4.3083),
+ FIX8(0.0788), FIX8(4.2332), FIX8(0.0832), FIX8(4.1580),
+ FIX8(0.0878), FIX8(4.0828), FIX8(0.0926), FIX8(4.0076),
+ FIX8(0.0977), FIX8(3.9324), FIX8(0.1032), FIX8(3.8572),
+ FIX8(0.1089), FIX8(3.7820), FIX8(0.1149), FIX8(3.7068),
+ FIX8(0.1214), FIX8(3.6316), FIX8(0.1282), FIX8(3.5565),
+ FIX8(0.1353), FIX8(3.4813), FIX8(0.1429), FIX8(3.4061),
+ FIX8(0.1510), FIX8(3.3309), FIX8(0.1596), FIX8(3.2557),
+ FIX8(0.1686), FIX8(3.1805), FIX8(0.1782), FIX8(3.1053),
+ FIX8(0.1884), FIX8(3.0301), FIX8(0.1992), FIX8(2.9549),
+ FIX8(0.2107), FIX8(2.8797), FIX8(0.2229), FIX8(2.8046),
+ FIX8(0.2358), FIX8(2.7294), FIX8(0.2496), FIX8(2.6542),
+ FIX8(0.2642), FIX8(2.5790), FIX8(0.2798), FIX8(2.5038),
+ FIX8(0.2964), FIX8(2.4286), FIX8(0.3142), FIX8(2.3534),
+ FIX8(0.3331), FIX8(2.2782), FIX8(0.3532), FIX8(2.2030),
+ FIX8(0.3748), FIX8(2.1278), FIX8(0.3979), FIX8(2.0527),
+ FIX8(0.4226), FIX8(1.9775), FIX8(0.4491), FIX8(1.9023),
+ FIX8(0.4776), FIX8(1.8271), FIX8(0.5082), FIX8(1.7519),
+ FIX8(0.5412), FIX8(1.6767), FIX8(0.5768), FIX8(1.6015),
+ FIX8(0.6152), FIX8(1.5263), FIX8(0.6568), FIX8(1.4511),
+ FIX8(0.7020), FIX8(1.3759), FIX8(0.7513), FIX8(1.3008),
+ FIX8(0.8050), FIX8(1.2256), FIX8(0.8638), FIX8(1.1504),
+ FIX8(0.9285), FIX8(1.0752), FIX8(1.0000), FIX8(1.0000)
};
+uint8_t x264_cabac_contexts[4][QP_MAX_SPEC+1][1024];
-/*****************************************************************************
- *
- *****************************************************************************/
-void x264_cabac_context_init( x264_cabac_t *cb, int i_slice_type, int i_qp, int i_model )
+void x264_cabac_init( x264_t *h )
{
- const int8_t (*cabac_context_init)[460][2];
- int i;
-
- if( i_slice_type == SLICE_TYPE_I )
+ int ctx_count = CHROMA444 ? 1024 : 460;
+ for( int i = 0; i < 4; i++ )
{
- cabac_context_init = &x264_cabac_context_init_I;
- }
- else
- {
- cabac_context_init = &x264_cabac_context_init_PB[i_model];
+ const int8_t (*cabac_context_init)[1024][2] = i == 0 ? &x264_cabac_context_init_I
+ : &x264_cabac_context_init_PB[i-1];
+ for( int qp = 0; qp <= QP_MAX_SPEC; qp++ )
+ for( int j = 0; j < ctx_count; j++ )
+ {
+ int state = x264_clip3( (((*cabac_context_init)[j][0] * qp) >> 4) + (*cabac_context_init)[j][1], 1, 126 );
+ x264_cabac_contexts[i][qp][j] = (X264_MIN( state, 127-state ) << 1) | (state >> 6);
+ }
}
+}
- for( i = 0; i < 460; i++ )
- {
- cb->state[i] = x264_clip3( (((*cabac_context_init)[i][0] * i_qp) >> 4) + (*cabac_context_init)[i][1], 1, 126 );
- }
+/*****************************************************************************
+ *
+ *****************************************************************************/
+void x264_cabac_context_init( x264_t *h, x264_cabac_t *cb, int i_slice_type, int i_qp, int i_model )
+{
+ memcpy( cb->state, x264_cabac_contexts[i_slice_type == SLICE_TYPE_I ? 0 : i_model + 1][i_qp], CHROMA444 ? 1024 : 460 );
}
-void x264_cabac_encode_init( x264_cabac_t *cb, uint8_t *p_data, uint8_t *p_end )
+void x264_cabac_encode_init_core( x264_cabac_t *cb )
{
cb->i_low = 0;
cb->i_range = 0x01FE;
- cb->i_queue = -1; // the first bit will be shifted away and not written
+ cb->i_queue = -9; // the first bit will be shifted away and not written
cb->i_bytes_outstanding = 0;
+}
+
+void x264_cabac_encode_init( x264_cabac_t *cb, uint8_t *p_data, uint8_t *p_end )
+{
+ x264_cabac_encode_init_core( cb );
cb->p_start = p_data;
cb->p = p_data;
cb->p_end = p_end;
static inline void x264_cabac_putbyte( x264_cabac_t *cb )
{
- if( cb->i_queue >= 8 )
+ if( cb->i_queue >= 0 )
{
- int out = cb->i_low >> (cb->i_queue+2);
- cb->i_low &= (4<<cb->i_queue)-1;
+ int out = cb->i_low >> (cb->i_queue+10);
+ cb->i_low &= (0x400<<cb->i_queue)-1;
cb->i_queue -= 8;
if( (out & 0xff) == 0xff )
- {
cb->i_bytes_outstanding++;
- }
else
{
- int carry = out & 0x100;
- if( cb->p + cb->i_bytes_outstanding + 1 >= cb->p_end )
- return;
- if( carry )
+ int carry = out >> 8;
+ int bytes_outstanding = cb->i_bytes_outstanding;
+ // this can't modify before the beginning of the stream because
+ // that would correspond to a probability > 1.
+ // it will write before the beginning of the stream, which is ok
+ // because a slice header always comes before cabac data.
+ // this can't carry beyond the one byte, because any 0xff bytes
+ // are in bytes_outstanding and thus not written yet.
+ cb->p[-1] += carry;
+ while( bytes_outstanding > 0 )
{
- // this can't happen on the first byte (buffer underrun),
- // because that would correspond to a probability > 1.
- // this can't carry beyond the one byte, because any 0xff bytes
- // are in bytes_outstanding and thus not written yet.
- cb->p[-1]++;
- }
- while( cb->i_bytes_outstanding > 0 )
- {
- *(cb->p++) = carry ? 0 : 0xff;
- cb->i_bytes_outstanding--;
+ *(cb->p++) = carry-1;
+ bytes_outstanding--;
}
*(cb->p++) = out;
+ cb->i_bytes_outstanding = 0;
}
}
}
static inline void x264_cabac_encode_renorm( x264_cabac_t *cb )
{
- int shift = renorm_shift[cb->i_range>>3];
+ int shift = x264_cabac_renorm_shift[cb->i_range>>3];
cb->i_range <<= shift;
cb->i_low <<= shift;
cb->i_queue += shift;
x264_cabac_putbyte( cb );
}
-void x264_cabac_encode_decision( x264_cabac_t *cb, int i_ctx, int b )
+/* Making custom versions of this function, even in asm, for the cases where
+ * b is known to be 0 or 1, proved to be somewhat useful on x86_32 with GCC 3.4
+ * but nearly useless with GCC 4.3 and worse than useless on x86_64. */
+void x264_cabac_encode_decision_c( x264_cabac_t *cb, int i_ctx, int b )
{
int i_state = cb->state[i_ctx];
- int i_range_lps = x264_cabac_range_lps[i_state][(cb->i_range>>6)&0x03];
-
+ int i_range_lps = x264_cabac_range_lps[i_state>>1][(cb->i_range>>6)-4];
cb->i_range -= i_range_lps;
-
- if( b != (i_state >> 6) )
+ if( b != (i_state & 1) )
{
cb->i_low += cb->i_range;
cb->i_range = i_range_lps;
}
-
- cb->state[i_ctx] = x264_cabac_transition[b][i_state];
-
+ cb->state[i_ctx] = x264_cabac_transition[i_state][b];
x264_cabac_encode_renorm( cb );
}
-void x264_cabac_encode_bypass( x264_cabac_t *cb, int b )
+/* Note: b is negated for this function */
+void x264_cabac_encode_bypass_c( x264_cabac_t *cb, int b )
{
cb->i_low <<= 1;
- cb->i_low += (((int32_t)b<<31)>>31) & cb->i_range;
+ cb->i_low += b & cb->i_range;
cb->i_queue += 1;
x264_cabac_putbyte( cb );
}
-void x264_cabac_encode_terminal( x264_cabac_t *cb, int b )
+static const int bypass_lut[16] =
{
- cb->i_range -= 2;
- if( b )
- {
- cb->i_low += cb->i_range;
- cb->i_range = 2<<7;
- cb->i_low <<= 7;
- cb->i_queue += 7;
+ -1, 0x2, 0x14, 0x68, 0x1d0, 0x7a0, 0x1f40, 0x7e80,
+ 0x1fd00, 0x7fa00, 0x1ff400, 0x7fe800, 0x1ffd000, 0x7ffa000, 0x1fff4000, 0x7ffe8000
+};
+
+void x264_cabac_encode_ue_bypass( x264_cabac_t *cb, int exp_bits, int val )
+{
+ uint32_t v = val + (1<<exp_bits);
+ int k = 31 - x264_clz( v );
+ uint32_t x = (bypass_lut[k-exp_bits]<<exp_bits) + v;
+ k = 2*k+1-exp_bits;
+ int i = ((k-1)&7)+1;
+ do {
+ k -= i;
+ cb->i_low <<= i;
+ cb->i_low += ((x>>k)&0xff) * cb->i_range;
+ cb->i_queue += i;
x264_cabac_putbyte( cb );
- }
- else
- {
- x264_cabac_encode_renorm( cb );
- }
+ i = 8;
+ } while( k > 0 );
+}
+
+void x264_cabac_encode_terminal_c( x264_cabac_t *cb )
+{
+ cb->i_range -= 2;
+ x264_cabac_encode_renorm( cb );
}
-void x264_cabac_encode_flush( x264_cabac_t *cb )
+void x264_cabac_encode_flush( x264_t *h, x264_cabac_t *cb )
{
- cb->i_low |= 0x80;
- cb->i_low <<= 10;
- cb->i_queue += 10;
+ cb->i_low += cb->i_range - 2;
+ cb->i_low |= 1;
+ cb->i_low <<= 9;
+ cb->i_queue += 9;
x264_cabac_putbyte( cb );
x264_cabac_putbyte( cb );
+ cb->i_low <<= -cb->i_queue;
+ cb->i_low |= (0x35a4e4f5 >> (h->i_frame & 31) & 1) << 10;
cb->i_queue = 0;
-
- if( cb->p + cb->i_bytes_outstanding + 1 >= cb->p_end )
- return; //FIXME throw an error instead of silently truncating the frame
+ x264_cabac_putbyte( cb );
while( cb->i_bytes_outstanding > 0 )
{
}
}
-/*****************************************************************************
- *
- *****************************************************************************/
-void x264_cabac_size_decision( x264_cabac_t *cb, int i_ctx, int b )
-{
- int i_state = cb->state[i_ctx];
- cb->state[i_ctx] = x264_cabac_transition[b][i_state];
- cb->f8_bits_encoded += x264_cabac_entropy[ b ? 127 - i_state : i_state ];
-}
-
-int x264_cabac_size_decision2( uint8_t *state, int b )
-{
- int i_state = *state;
- *state = x264_cabac_transition[b][i_state];
- return x264_cabac_entropy[ b ? 127 - i_state : i_state ];
-}
-
-int x264_cabac_size_decision_noup( uint8_t *state, int b )
-{
- return x264_cabac_entropy[ b ? 127 - *state : *state ];
-}
projects / x264 / blobdiff