package com.twilight.h264.decoder;
public class CABACContext {
public static final int CABAC_BITS = 16;
public static final int CABAC_MASK = ((1 << CABAC_BITS) - 1);
public int low;
public int range;
public int outstanding_count;
public int symCount;
public int bytestream_start;
public int bytestream_current;
public int[] bytestream;
public int bytestream_end;
public PutBitContext pb;
public static final short[][] lps_range = {
{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},
};
public short[] ff_h264_mlps_state = new short[4*64];
public short[] ff_h264_lps_range = new short[4*2*64];
public short[] ff_h264_lps_state = new short[2*64];
public short[] ff_h264_mps_state = new short[2*64];
public static final short[] mps_state = {
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,
57,58,59,60,61,62,62,63,
};
public static final short[] lps_state = {
0, 0, 1, 2, 2, 4, 4, 5,
6, 7, 8, 9, 9,11,11,12,
13,13,15,15,16,16,18,18,
19,19,21,21,22,22,23,24,
24,25,26,26,27,27,28,29,
29,30,30,30,31,32,32,33,
33,33,34,34,35,35,35,36,
36,36,37,37,37,38,38,63,
};
public static final short[] ff_h264_norm_shift = {
9,8,7,7,6,6,6,6,5,5,5,5,5,5,5,5,
4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,
3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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,
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,
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,
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,
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,
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,
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,
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,
};
public static final byte[][] cabac_context_init_I =
{
/* 0 - 10 */
{ 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
{ 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
{ -6, 53 }, { -1, 54 }, { 7, 51 },
/* 11 - 23 unsused for I */
{ 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 },
/* 24- 39 */
{ 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 },
/* 40 - 53 */
{ 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 },
/* 54 - 59 */
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 },
/* 60 - 69 */
{ 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
{ -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
{ 13, 41 }, { 3, 62 },
/* 70 -> 87 */
{ 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
{ -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
{ -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
{ -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
{ -12, 115 },{ -16, 122 },
/* 88 -> 104 */
{ -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
{ -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
{ -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
{ -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
{ -22, 125 },
/* 105 -> 135 */
{ -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 },
/* 136 -> 165 */
{ -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 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
{ -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
{ 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
{ 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
{ 0, 62 }, { 12, 72 },
/* 166 -> 196 */
{ 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 },
/* 197 -> 226 */
{ 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 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
{ 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
{ 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
{ 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
{ 12, 68 }, { 2, 97 },
/* 227 -> 251 */
{ -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 },
/* 252 -> 275 */
{ -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
{ -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
{ -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
{ -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
{ -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
{ -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
/* 276 a bit special (not used, bypass is used instead) */
{ 0, 0 },
/* 277 -> 307 */
{ -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 },
/* 308 -> 337 */
{ -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 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
{ 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
{ 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
{ 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
{ 5, 64 }, { 12, 70 },
/* 338 -> 368 */
{ 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 },
/* 369 -> 398 */
{ 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 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
{ 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
{ 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
{ 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
{ 29, 39 }, { 19, 66 },
/* 399 -> 435 */
{ 31, 21 }, { 31, 31 }, { 25, 50 },
{ -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 }, { 23, -13 },
{ 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
{ 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
{ -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
{ 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
{ 0, 68 }, { -9, 92 },
/* 436 -> 459 */
{ -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 }, { 21, -10 },
{ 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
{ 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 }
};
public static final byte[][][] cabac_context_init_PB =
{
/* i_cabac_init_idc == 0 */
{
/* 0 - 10 */
{ 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
{ 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
{ -6, 53 }, { -1, 54 }, { 7, 51 },
/* 11 - 23 */
{ 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
{ 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
{ -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
{ 17, 50 },
/* 24 - 39 */
{ 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
{ 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
{ 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
{ -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
/* 40 - 53 */
{ -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
{ 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
{ -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
{ -3, 81 }, { 0, 88 },
/* 54 - 59 */
{ -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
{ -7, 72 }, { 1, 58 },
/* 60 - 69 */
{ 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
{ -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
{ 13, 41 }, { 3, 62 },
/* 70 - 87 */
{ 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
{ -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
{ -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
{ -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
{ -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
{ -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
{ -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
{ 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
{ 0, 68 }, { -4, 69 }, { -8, 88 },
/* 105 -> 165 */
{ -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 },
{ 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
{ 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
{ -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
{ 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
{ 9, 69 },
/* 166 - 226 */
{ 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 },
{ 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
{ 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
{ 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
{ 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
{ -9, 108 },
/* 227 - 275 */
{ -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 }, { 0, 70 }, { -4, 29 },
{ 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
{ -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
{ 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
{ 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
{ -8, 85 },
/* 276 a bit special (not used, bypass is used instead) */
{ 0, 0 },
/* 277 - 337 */
{ -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 },
{ -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
{ 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
{ 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
{ 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
{ 26, 43 },
/* 338 - 398 */
{ 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 },
{ 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
{ 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
{ 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
{ 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
{ 11, 86 },
/* 399 - 435 */
{ 12, 40 }, { 11, 51 }, { 14, 59 },
{ -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 }, { 9, -2 },
{ 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
{ 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
{ -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
{ -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
{ -8, 66 }, { -8, 76 },
/* 436 - 459 */
{ -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 }, { 21, -13 },
{ 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
{ 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
},
/* i_cabac_init_idc == 1 */
{
/* 0 - 10 */
{ 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
{ 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
{ -6, 53 }, { -1, 54 }, { 7, 51 },
/* 11 - 23 */
{ 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
{ 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
{ -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
{ 10, 54 },
/* 24 - 39 */
{ 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
{ 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
{ -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
{ 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
/* 40 - 53 */
{ -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
{ 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
{ -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
{ -7, 86 },{ -5, 95 },
/* 54 - 59 */
{ -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
{ -5, 72 },{ 0, 61 },
/* 60 - 69 */
{ 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
{ -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
{ 13, 41 }, { 3, 62 },
/* 70 - 104 */
{ 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
{ -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
{ -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
{ -21, 110 }, { -18, 102 }, { -36, 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 }, { 3, 55 },
{ 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
{ 0, 68 }, { -7, 74 }, { -9, 88 },
/* 105 -> 165 */
{ -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, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
{ 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
{ 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
{ -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
{ 0, 89 },
/* 166 - 226 */
{ 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 },
{ 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
{ 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
{ 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
{ 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
{ -10, 116 },
/* 227 - 275 */
{ -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, 66 }, { -9, 34 },
{ 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
{ -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
{ 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
{ 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
{ -4, 78 },
/* 276 a bit special (not used, bypass is used instead) */
{ 0, 0 },
/* 277 - 337 */
{ -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 },
{ -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
{ 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
{ 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
{ 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
{ 18, 50 },
/* 338 - 398 */
{ 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 },
{ 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
{ 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
{ 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
{ 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
{ 11, 83 },
/* 399 - 435 */
{ 25, 32 }, { 21, 49 }, { 21, 54 },
{ -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 }, { 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 },
/* 436 - 459 */
{ -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 },
},
/* i_cabac_init_idc == 2 */
{
/* 0 - 10 */
{ 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
{ 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
{ -6, 53 }, { -1, 54 }, { 7, 51 },
/* 11 - 23 */
{ 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
{ -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
{ -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
{ 14, 57 },
/* 24 - 39 */
{ 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
{ 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
{ -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
{ -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
/* 40 - 53 */
{ -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
{ 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
{ -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
{ -3, 90 },{ -1, 101 },
/* 54 - 59 */
{ 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
{ -7, 50 },{ 1, 60 },
/* 60 - 69 */
{ 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
{ -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
{ 13, 41 }, { 3, 62 },
/* 70 - 104 */
{ 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
{ -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
{ -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
{ -18, 103 }, { -13, 90 }, { -37, 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 }, { 0, 65 },
{ -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
{ 3, 68 }, { -8, 71 }, { -13, 98 },
/* 105 -> 165 */
{ -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 },
{ 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
{ 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
{ 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
{ -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
{ -22, 127 },
/* 166 - 226 */
{ 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 },
{ 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
{ 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
{ 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
{ 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
{ -24, 127 },
/* 227 - 275 */
{ -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 }, { -4, 79 }, { -22, 69 },
{ -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
{ -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
{ -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
{ -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
{ -10, 87 },
/* 276 a bit special (not used, bypass is used instead) */
{ 0, 0 },
/* 277 - 337 */
{ -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 },
{ -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
{ -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
{ 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
{ -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
{ 25, 42 },
/* 338 - 398 */
{ 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 },
{ 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
{ 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
{ 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
{ 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
{ 25, 61 },
/* 399 - 435 */
{ 21, 33 }, { 19, 50 }, { 17, 61 },
{ -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, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
{ -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
{ -6, 68 }, { -10, 79 },
/* 436 - 459 */
{ -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 },
}
};
/**
*
* @param buf_size size of buf in bits
*/
public void ff_init_cabac_decoder(int[] buf, int buf_offset, int buf_size){
bytestream_start= buf_offset;
bytestream_current = buf_offset;
bytestream= buf;
bytestream_end= buf_offset + buf_size;
// DebugTool.printDebugString("buf = {"+buf[bytestream_current]+","+buf[bytestream_current+1]+","+buf[bytestream_current+2]+","+buf[bytestream_current+3]+")\n");
low = bytestream[bytestream_current++]<<18;
// DebugTool.printDebugString("init_cabac_decoder(1): low="+low+", range="+range+"\n");
low += bytestream[bytestream_current++]<<10;
// DebugTool.printDebugString("init_cabac_decoder(2): low="+low+", range="+range+"\n");
low += (bytestream[bytestream_current++]<<2) + 2;
// DebugTool.printDebugString("init_cabac_decoder(3): low="+low+", range="+range+"\n");
range = 0x000001FE;
// DebugTool.printDebugString("init_cabac_decoder(4): low="+low+", range="+range+"\n");
}
public void ff_init_cabac_states(){
int i, j;
for(i=0; i<64; i++){
for(j=0; j<4; j++){ //FIXME check if this is worth the 1 shift we save
ff_h264_lps_range[j*2*64+2*i+0]=
ff_h264_lps_range[j*2*64+2*i+1]= lps_range[i][j];
}
ff_h264_mlps_state[128+2*i+0]=
ff_h264_mps_state[2*i+0]= (short)(2*mps_state[i]+0);
ff_h264_mlps_state[128+2*i+1]=
ff_h264_mps_state[2*i+1]= (short)(2*mps_state[i]+1);
if( i != 0 ){
ff_h264_mlps_state[128-2*i-1]= (short)(2*lps_state[i]+0);
ff_h264_mlps_state[128-2*i-2]= (short)(2*lps_state[i]+1);
}else{
ff_h264_mlps_state[128-2*i-1]= 1;
ff_h264_mlps_state[128-2*i-2]= 0;
}
}
}
///////////////
// Decoder function
public void refill(){
// DebugTool.printDebugString("refill(1): low="+low+", range="+range+"\n");
low += (bytestream[bytestream_current +0]<<9) + (bytestream[bytestream_current +1]<<1);
low -= CABAC_MASK;
bytestream_current += CABAC_BITS/8;
// DebugTool.printDebugString("refill(2): low="+low+", range="+range+"\n");
}
public void refill2(){
int i, x;
// DebugTool.printDebugString("refill2(1): low="+low+", range="+range+"\n");
x= low ^ (low-1);
i= 7 - ff_h264_norm_shift[x>>(CABAC_BITS-1)];
x= -CABAC_MASK;
x+= (bytestream[bytestream_current +0]<<9) + (bytestream[bytestream_current +1]<<1);
low += x<<i;
bytestream_current += CABAC_BITS/8;
// DebugTool.printDebugString("refill2(2): low="+low+", range="+range+"\n");
}
public void renorm_cabac_decoder(){
// DebugTool.printDebugString("renorm_cabac_decoder(1): low="+low+", range="+range+"\n");
while(range < 0x00000100) {
range += range;
low += low;
if((low & CABAC_MASK) == 0)
refill();
}
// DebugTool.printDebugString("renorm_cabac_decoder(2): low="+low+", range="+range+"\n");
}
public void renorm_cabac_decoder_once(){
// DebugTool.printDebugString("renorm_cabac_decoder_once(1): low="+low+", range="+range+"\n");
int shift= (int)(range - 0x00000100)>>>31;
range<<= shift;
low <<= shift;
// DebugTool.printDebugString("renorm_cabac_decoder_once: shift="+shift+"\n");
if((low & CABAC_MASK) == 0)
refill();
// DebugTool.printDebugString("renorm_cabac_decoder_once(2): low="+low+", range="+range+"\n");
}
public int get_cabac_inline(int[] state, int state_offset) {
int s = state[state_offset];
int RangeLPS= ff_h264_lps_range[2*(range&0x000000C0) + s];
int bit, lps_mask;
// DebugTool.printDebugString(" * get_cabac_inline(1): s="+s+", range="+range+", low="+low+", RangeLPS="+RangeLPS+"\n");
range -= RangeLPS;
lps_mask= ((range<<(CABAC_BITS+1)) - low)>>31;
low -= (range<<(CABAC_BITS+1)) & lps_mask;
range += (RangeLPS - range) & lps_mask;
s^=lps_mask;
state[state_offset] = ff_h264_mlps_state[128 +s];
// DebugTool.printDebugString(" * get_cabac_inline: state=>"+ff_h264_mlps_state[128 +s]+"\n");
bit= s&1;
// DebugTool.printDebugString(" * get_cabac_inline(2): state="+s+", range="+range+", low="+low+", lps_mask="+lps_mask+"\n");
lps_mask= ff_h264_norm_shift[range];
range<<= lps_mask;
low <<= lps_mask;
// DebugTool.printDebugString(" * get_cabac_inline(3): range="+range+", low="+low+", lps_mask="+lps_mask+"\n");
if((low & CABAC_MASK) == 0) {
refill2();
// DebugTool.printDebugString(" * get_cabac_inline(4): low="+low+"\n");
} // if
return bit;
}
public int get_cabac_noinline(int[] state, int state_offset){
return get_cabac_inline(state, state_offset);
}
public int get_cabac(int[] state, int state_offset){
return get_cabac_inline(state, state_offset);
}
public int get_cabac_bypass(){
int _range;
// DebugTool.printDebugString("get_cabac_bypass(1): low="+low+", range="+range+"\n");
low += low;
if((low & CABAC_MASK) == 0)
refill();
_range = range<<(CABAC_BITS+1);
// DebugTool.printDebugString("get_cabac_bypass(2): low="+low+", range="+range+"\n");
if(low < _range){
return 0;
}else{
low -= _range;
return 1;
}
}
public int get_cabac_bypass_sign(int val){
int _range, _mask;
// DebugTool.printDebugString("get_cabac_bypass_sign(1): low="+low+", range="+range+"\n");
low += low;
if((low & CABAC_MASK) == 0)
refill();
_range = range<<(CABAC_BITS+1);
low -= _range;
_mask = low >> 31;
_range &= _mask;
low += _range;
// DebugTool.printDebugString("get_cabac_bypass_sign(2): low="+low+", range="+range+"\n");
return (val^_mask)-_mask;
}
/**
*
* @return the number of bytes read or 0 if no end
*/
public int get_cabac_terminate(){
range -= 2;
if(low < (range<<(CABAC_BITS+1)) ){
renorm_cabac_decoder_once();
return 0;
}else{
return bytestream_current - bytestream_start;
}
}
//////////////////////////////////////////////////////
// H264 Specific CABAC Decoding Functions (2nd level)
public int decode_cabac_field_decoding_flag(H264Context h) {
int mbb_xy = (int)(h.mb_xy - 2L*h.s.mb_stride);
int ctx = 0;
ctx += (h.mb_field_decoding_flag & (/*!!*/h.s.mb_x)); //for FMO:(s.current_picture.mb_type[mba_xy]>>7)&(this.slice_table_base[this.slice_table_offset + mba_xy] == this.slice_num);
ctx += (h.s.current_picture.mb_type_base[h.s.current_picture.mb_type_offset + mbb_xy]>>7)&(h.slice_table_base[h.slice_table_offset + mbb_xy] == h.slice_num?1:0);
return this.get_cabac_noinline( h.cabac_state, 70 + ctx);// &(this.cabac_state+70)[ctx] );
}
public int decode_cabac_intra_mb_type(H264Context h, int ctx_base, int intra_slice) {
int state_offset = ctx_base;
int mb_type;
if(intra_slice != 0){
int ctx=0;
if( (h.left_type[0] & (H264Context.MB_TYPE_INTRA16x16|H264Context.MB_TYPE_INTRA_PCM)) != 0 )
ctx++;
if( (h.top_type & (H264Context.MB_TYPE_INTRA16x16|H264Context.MB_TYPE_INTRA_PCM)) != 0 )
ctx++;
if( this.get_cabac_noinline( h.cabac_state , state_offset + ctx ) == 0 )
return 0; /* I4x4 */
state_offset += 2;
}else{
if( this.get_cabac_noinline( h.cabac_state, state_offset ) == 0 )
return 0; /* I4x4 */
}
if( this.get_cabac_terminate() != 0 )
return 25; /* PCM */
mb_type = 1; /* I16x16 */
mb_type += 12 * this.get_cabac_noinline( h.cabac_state, state_offset + 1 ); /* cbp_luma != 0 */
if( this.get_cabac_noinline( h.cabac_state, state_offset + 2 ) != 0) /* cbp_chroma */
mb_type += 4 + 4 * this.get_cabac_noinline( h.cabac_state, state_offset + 2+intra_slice );
mb_type += 2 * this.get_cabac_noinline( h.cabac_state, state_offset + 3+intra_slice );
mb_type += 1 * this.get_cabac_noinline( h.cabac_state, state_offset + 3+2*intra_slice );
return mb_type;
}
public int decode_cabac_mb_skip(H264Context h, int mb_x, int mb_y ) {
int mba_xy, mbb_xy;
int ctx = 0;
if(h.mb_aff_frame != 0){ //FIXME merge with the stuff in fill_caches?
int mb_xy = mb_x + (mb_y&~1)*h.s.mb_stride;
mba_xy = mb_xy - 1;
if( (mb_y&1) != 0
&& h.slice_table_base[h.slice_table_offset + mba_xy] == h.slice_num
&& h.mb_field_decoding_flag == (( h.s.current_picture.mb_type_base[h.s.current_picture.mb_type_offset + mba_xy] & H264Context.MB_TYPE_INTERLACED) != 0?1:0) )
mba_xy += h.s.mb_stride;
if( h.mb_field_decoding_flag != 0 ){
mbb_xy = mb_xy - h.s.mb_stride;
if( 0 == (mb_y&1)
&& h.slice_table_base[h.slice_table_offset + mbb_xy] == h.slice_num
&& ( h.s.current_picture.mb_type_base[h.s.current_picture.mb_type_offset + mbb_xy] & H264Context.MB_TYPE_INTERLACED) != 0 )
mbb_xy -= h.s.mb_stride;
}else
mbb_xy = mb_x + (mb_y-1)*h.s.mb_stride;
}else{
int mb_xy = h.mb_xy;
mba_xy = mb_xy - 1;
mbb_xy = mb_xy - (h.s.mb_stride << (h.s.picture_structure != MpegEncContext.PICT_FRAME ? 1 : 0));
}
if( h.slice_table_base[h.slice_table_offset + mba_xy] == h.slice_num && ( (h.s.current_picture.mb_type_base[h.s.current_picture.mb_type_offset + mba_xy] & H264Context.MB_TYPE_SKIP) == 0 ))
ctx++;
if( h.slice_table_base[h.slice_table_offset + mbb_xy] == h.slice_num && ( (h.s.current_picture.mb_type_base[h.s.current_picture.mb_type_offset + mbb_xy] & H264Context.MB_TYPE_SKIP) == 0 ))
ctx++;
if( h.slice_type_nos == H264Context.FF_B_TYPE )
ctx += 13;
int ret = this.get_cabac_noinline( h.cabac_state, 11+ctx );
// DebugTool.printDebugString(" * decode_cabac_mb_skip return "+ret+"\n");
return ret;
}
public int decode_cabac_mb_intra4x4_pred_mode( H264Context h, int pred_mode ) {
int mode = 0;
if( this.get_cabac( h.cabac_state, 68 ) != 0 )
return pred_mode;
mode += 1 * this.get_cabac( h.cabac_state, 69 );
mode += 2 * this.get_cabac( h.cabac_state, 69 );
mode += 4 * this.get_cabac( h.cabac_state, 69 );
return mode + (( mode >= pred_mode )?1:0);
}
public int decode_cabac_mb_chroma_pre_mode(H264Context h) {
int mba_xy = h.left_mb_xy[0];
int mbb_xy = h.top_mb_xy;
int ctx = 0;
/* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
if( h.left_type[0] != 0 && h.chroma_pred_mode_table[mba_xy] != 0 )
ctx++;
if( h.top_type != 0 && h.chroma_pred_mode_table[mbb_xy] != 0 )
ctx++;
if( this.get_cabac_noinline( h.cabac_state, 64+ctx ) == 0 )
return 0;
if( this.get_cabac_noinline( h.cabac_state, 64+3 ) == 0 )
return 1;
if( this.get_cabac_noinline( h.cabac_state, 64+3 ) == 0 )
return 2;
else
return 3;
}
public int decode_cabac_mb_cbp_luma(H264Context h) {
int cbp_b, cbp_a, ctx, cbp = 0;
cbp_a = h.left_cbp;
cbp_b = h.top_cbp;
ctx = ((cbp_a & 0x02)==0?1:0) + 2 * ((cbp_b & 0x04)==0?1:0);
cbp += this.get_cabac_noinline(h.cabac_state, 73 + ctx);
ctx = ((cbp & 0x01)==0?1:0) + 2 * ((cbp_b & 0x08)==0?1:0);
cbp += this.get_cabac_noinline(h.cabac_state, 73 + ctx) << 1;
ctx = ((cbp_a & 0x08)==0?1:0) + 2 * ((cbp & 0x01)==0?1:0);
cbp += this.get_cabac_noinline(h.cabac_state, 73 + ctx) << 2;
ctx = ((cbp & 0x04)==0?1:0) + 2 * ((cbp & 0x02)==0?1:0);
cbp += this.get_cabac_noinline(h.cabac_state, 73 + ctx) << 3;
return cbp;
}
public int decode_cabac_mb_cbp_chroma(H264Context h) {
int ctx;
int cbp_a, cbp_b;
cbp_a = (h.left_cbp>>4)&0x03;
cbp_b = (h.top_cbp>>4)&0x03;
ctx = 0;
if( cbp_a > 0 ) ctx++;
if( cbp_b > 0 ) ctx += 2;
if( this.get_cabac_noinline( h.cabac_state, 77 + ctx ) == 0 )
return 0;
ctx = 4;
if( cbp_a == 2 ) ctx++;
if( cbp_b == 2 ) ctx += 2;
return 1 + this.get_cabac_noinline( h.cabac_state, 77 + ctx );
}
public int decode_cabac_p_mb_sub_type(H264Context h) {
if( this.get_cabac( h.cabac_state, 21 ) != 0 )
return 0; /* 8x8 */
if( this.get_cabac( h.cabac_state, 22 ) == 0 )
return 1; /* 8x4 */
if( this.get_cabac( h.cabac_state, 23 ) != 0 )
return 2; /* 4x8 */
return 3; /* 4x4 */
}
public int decode_cabac_b_mb_sub_type(H264Context h) {
int type;
if( 0 == this.get_cabac( h.cabac_state, 36 ) )
return 0; /* B_Direct_8x8 */
if( 0 == this.get_cabac( h.cabac_state, 37 ) )
return 1 + this.get_cabac( h.cabac_state, 39 ); /* B_L0_8x8, B_L1_8x8 */
type = 3;
if( 0 != this.get_cabac( h.cabac_state, 38 ) ) {
if( 0 != this.get_cabac( h.cabac_state, 39 ) )
return 11 + this.get_cabac( h.cabac_state, 39 ); /* B_L1_4x4, B_Bi_4x4 */
type += 4;
}
type += 2*this.get_cabac( h.cabac_state, 39 );
type += this.get_cabac( h.cabac_state, 39 );
return type;
}
public int decode_cabac_mb_ref( H264Context h, int list, int n ) {
int refa = h.ref_cache[list][h.scan8[n] - 1];
int refb = h.ref_cache[list][h.scan8[n] - 8];
int ref = 0;
int ctx = 0;
if( h.slice_type_nos == H264Context.FF_B_TYPE) {
if( refa > 0 && 0 == (h.direct_cache[h.scan8[n] - 1]&(H264Context.MB_TYPE_DIRECT2>>1)) )
ctx++;
if( refb > 0 && 0 == (h.direct_cache[h.scan8[n] - 8]&(H264Context.MB_TYPE_DIRECT2>>1)) )
ctx += 2;
} else {
if( refa > 0 )
ctx++;
if( refb > 0 )
ctx += 2;
}
while( this.get_cabac( h.cabac_state, 54+ctx ) != 0) {
ref++;
ctx = (ctx>>2)+4;
if(ref >= 32 /*this.ref_list[list]*/){
return -1;
}
}
return ref;
}
public static final int INT_BIT = 32;
public int decode_cabac_mb_mvd( H264Context h, int ctxbase, int amvd, int[] mvda ) {
int mvd;
// DebugTool.printDebugString(" - decode_cabac_mb_mvd: ctxbase="+ctxbase+", amvd="+amvd+", state_offset="+(ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2)+"\n");
// DebugTool.printDebugString(" - INT_BIT="+INT_BIT+", ((amvd-3)>>(INT_BIT-1))="+((amvd-3)>>(INT_BIT-1))+", ((amvd-33)>>(INT_BIT-1))="+((amvd-33)>>(INT_BIT-1))+"\n");
if(0 == this.get_cabac(h.cabac_state, ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2 )){
mvda[0] = 0;
return 0;
}
mvd = 1;
ctxbase += 3;
while( mvd < 9 && this.get_cabac( h.cabac_state, ctxbase ) != 0) {
if( mvd < 4 )
ctxbase++;
mvd++;
}
if( mvd >= 9 ) {
int k = 3;
while( this.get_cabac_bypass() != 0) {
mvd += 1 << k;
k++;
if(k>24){
//System.out.println("overflow in decode_cabac_mb_mvd");
return Integer.MIN_VALUE;
}
}
while( k-- != 0 ) {
mvd += this.get_cabac_bypass()<<k;
}
mvda[0] = mvd < 70 ? mvd : 70;
}else
mvda[0] = mvd;
return this.get_cabac_bypass_sign( -mvd );
}
// CABAC Decoder Functions
public void ff_h264_init_cabac_states(H264Context h) {
int i;
byte[][] tab;
if( h.slice_type_nos == H264Context.FF_I_TYPE )
tab = cabac_context_init_I;
else
tab = cabac_context_init_PB[h.cabac_init_idc];
/* calculate pre-state */
for( i= 0; i < 460; i++ ) {
int pre = 2*(((tab[i][0] * h.s.qscale) >>4 ) + tab[i][1]) - 127;
pre^= pre>>31;
if(pre > 124)
pre = 124 + (pre&1);
h.cabac_state[i] = pre;
}
}
}