#pragma once | |
static const unsigned char zigzag[64] = { | |
0, 1, 5, 6, 14, 15, 27, 28, 2, 4, 7, 13, 16, 26, 29, 42, | |
3, 8, 12, 17, 25, 30, 41, 43, 9, 11, 18, 24, 31, 40, 44, 53, | |
10, 19, 23, 32, 39, 45, 52, 54, 20, 22, 33, 38, 46, 51, 55, 60, | |
21, 34, 37, 47, 50, 56, 59, 61, 35, 36, 48, 49, 57, 58, 62, 63}; | |
static const unsigned char dezigzag[64 + 15] = { | |
0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, | |
48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, | |
29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, | |
54, 47, 55, 62, 63, | |
// let corrupt input sample past end | |
63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63}; | |
static const unsigned char *stdLuminanceQt; | |
static const unsigned char *stdChrominanceQt; | |
// Standard Huffman tables (cf. JPEG standard section K.3) */ | |
static const unsigned char stdDcLuminanceNrcodes[17] = { | |
0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0}; | |
static const unsigned char stdDcLuminanceValues[12] = {0, 1, 2, 3, 4, 5, | |
6, 7, 8, 9, 10, 11}; | |
static const unsigned char stdDcChrominanceNrcodes[17] = { | |
0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0}; | |
static const unsigned char stdDcChrominanceValues[12] = {0, 1, 2, 3, 4, 5, | |
6, 7, 8, 9, 10, 11}; | |
static const unsigned char stdAcLuminanceNrcodes[17] = { | |
0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d}; | |
static const unsigned char stdAcLuminanceValues[162] = { | |
0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, | |
0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, | |
0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, | |
0x82, 0x09, 0x0a, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, | |
0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, | |
0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, | |
0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, | |
0x76, 0x77, 0x78, 0x79, 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, | |
0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, | |
0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, | |
0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, | |
0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, | |
0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, | |
0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa}; | |
static const unsigned char stdAcChrominanceNrcodes[17] = { | |
0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77}; | |
static const unsigned char stdAcChrominanceValues[162] = { | |
0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, | |
0x51, 0x07, 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, | |
0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, 0x15, 0x62, 0x72, 0xd1, | |
0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, | |
0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, | |
0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, | |
0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, | |
0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, | |
0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, | |
0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, | |
0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, | |
0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, | |
0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf2, 0xf3, 0xf4, | |
0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa}; | |
static const unsigned short int dcLuminanceHuffmancode[13 * 2] = { | |
/* 0 */ 0x0000, 0, | |
/* 1 */ 0x4000, 2, | |
/* 2 */ 0x6000, 3, | |
/* 3 */ 0x8000, 3, | |
/* 4 */ 0xA000, 3, | |
/* 5 */ 0xC000, 3, | |
/* 6 */ 0xE000, 3, | |
/* 7 */ 0xF000, 4, | |
/* 8 */ 0xF800, 5, | |
/* 9 */ 0xFC00, 6, | |
/* 10 */ 0xFE00, 7, | |
/* 11 */ 0xFF00, 8, | |
/* 12 */ 0xFFFF, 9, | |
}; | |
static const unsigned short int dcChrominanceHuffmancode[13 * 2] = { | |
/* 0 */ 0x0000, 0, | |
/* 1 */ 0x4000, 2, | |
/* 2 */ 0x8000, 2, | |
/* 3 */ 0xC000, 2, | |
/* 4 */ 0xE000, 3, | |
/* 5 */ 0xF000, 4, | |
/* 6 */ 0xF800, 5, | |
/* 7 */ 0xFC00, 6, | |
/* 8 */ 0xFE00, 7, | |
/* 9 */ 0xFF00, 8, | |
/* 10 */ 0xFF80, 9, | |
/* 11 */ 0xFFC0, 10, | |
/* 12 */ 0xFFFF, 11, | |
}; | |
static const unsigned short int acLuminanceHuffmancode[39 * 2] = { | |
/* 0 */ 0x0000, 0, | |
/* 1 */ 0x4000, 2, | |
/* 2 */ 0x8000, 2, | |
/* 3 */ 0xA000, 3, | |
/* 4 */ 0xB000, 4, | |
/* 5 */ 0xC000, 4, | |
/* 6 */ 0xD000, 4, | |
/* 7 */ 0xD800, 5, | |
/* 8 */ 0xE000, 5, | |
/* 9 */ 0xE800, 5, | |
/* 10 */ 0xEC00, 6, | |
/* 11 */ 0xF000, 6, | |
/* 12 */ 0xF200, 7, | |
/* 13 */ 0xF400, 7, | |
/* 14 */ 0xF600, 7, | |
/* 15 */ 0xF800, 7, | |
/* 16 */ 0xF900, 8, | |
/* 17 */ 0xFA00, 8, | |
/* 18 */ 0xFB00, 8, | |
/* 19 */ 0xFB80, 9, | |
/* 20 */ 0xFC00, 9, | |
/* 21 */ 0xFC80, 9, | |
/* 22 */ 0xFD00, 9, | |
/* 23 */ 0xFD80, 9, | |
/* 24 */ 0xFDC0, 10, | |
/* 25 */ 0xFE00, 10, | |
/* 26 */ 0xFE40, 10, | |
/* 27 */ 0xFE80, 10, | |
/* 28 */ 0xFEC0, 10, | |
/* 29 */ 0xFEE0, 11, | |
/* 30 */ 0xFF00, 11, | |
/* 31 */ 0xFF20, 11, | |
/* 32 */ 0xFF40, 11, | |
/* 33 */ 0xFF50, 12, | |
/* 34 */ 0xFF60, 12, | |
/* 35 */ 0xFF70, 12, | |
/* 36 */ 0xFF80, 12, | |
/* 37 */ 0xFF82, 15, | |
/* 38 */ 0xFFFF, 16, | |
}; | |
static const unsigned short int acChrominanceHuffmancode[45 * 2] = { | |
/* 0 */ 0x0000, 0, | |
/* 1 */ 0x4000, 2, | |
/* 2 */ 0x8000, 2, | |
/* 3 */ 0xA000, 3, | |
/* 4 */ 0xB000, 4, | |
/* 5 */ 0xC000, 4, | |
/* 6 */ 0xC800, 5, | |
/* 7 */ 0xD000, 5, | |
/* 8 */ 0xD800, 5, | |
/* 9 */ 0xE000, 5, | |
/* 10 */ 0xE400, 6, | |
/* 11 */ 0xE800, 6, | |
/* 12 */ 0xEC00, 6, | |
/* 13 */ 0xF000, 6, | |
/* 14 */ 0xF200, 7, | |
/* 15 */ 0xF400, 7, | |
/* 16 */ 0xF600, 7, | |
/* 17 */ 0xF700, 8, | |
/* 18 */ 0xF800, 8, | |
/* 19 */ 0xF900, 8, | |
/* 20 */ 0xFA00, 8, | |
/* 21 */ 0xFA80, 9, | |
/* 22 */ 0xFB00, 9, | |
/* 23 */ 0xFB80, 9, | |
/* 24 */ 0xFC00, 9, | |
/* 25 */ 0xFC80, 9, | |
/* 26 */ 0xFD00, 9, | |
/* 27 */ 0xFD80, 9, | |
/* 28 */ 0xFDC0, 10, | |
/* 29 */ 0xFE00, 10, | |
/* 30 */ 0xFE40, 10, | |
/* 31 */ 0xFE80, 10, | |
/* 32 */ 0xFEC0, 10, | |
/* 33 */ 0xFEE0, 11, | |
/* 34 */ 0xFF00, 11, | |
/* 35 */ 0xFF20, 11, | |
/* 36 */ 0xFF40, 11, | |
/* 37 */ 0xFF50, 12, | |
/* 38 */ 0xFF60, 12, | |
/* 39 */ 0xFF70, 12, | |
/* 40 */ 0xFF80, 12, | |
/* 41 */ 0xFF84, 14, | |
/* 42 */ 0xFF86, 15, | |
/* 43 */ 0xFF88, 15, | |
/* 44 */ 0xFFFF, 16, | |
}; | |
//[100]========================= | |
static const unsigned char tbl100Y[64] = { | |
2, 1, 1, 2, 3, 5, 6, 7, 1, 1, 1, 2, 3, 7, 7, 6, | |
1, 1, 2, 3, 5, 7, 8, 7, 1, 2, 2, 3, 6, 10, 10, 7, | |
2, 2, 4, 7, 8, 13, 12, 9, 3, 4, 6, 8, 10, 13, 14, 11, | |
6, 8, 9, 10, 12, 15, 15, 12, 9, 11, 11, 12, 14, 12, 12, 12}; | |
static const unsigned char tbl100Uv[64] = { | |
3, 3, 4, 8, 18, 18, 18, 18, 3, 3, 4, 12, 18, 18, 18, 18, | |
4, 4, 10, 18, 18, 18, 18, 18, 8, 12, 18, 18, 18, 18, 18, 18, | |
18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, | |
18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18}; | |
//[086]========================= | |
static const unsigned char tbl086Y[64] = { | |
3, 2, 1, 3, 4, 7, 9, 11, 2, 2, 2, 3, 4, 10, 11, 10, | |
2, 2, 3, 4, 7, 10, 12, 10, 2, 3, 4, 5, 9, 16, 15, 11, | |
3, 4, 6, 10, 12, 20, 19, 14, 4, 6, 10, 12, 15, 19, 21, 17, | |
9, 12, 14, 16, 19, 22, 22, 18, 13, 17, 17, 18, 21, 18, 19, 18}; | |
static const unsigned char tbl086Uv[64] = { | |
4, 5, 6, 13, 27, 27, 27, 27, 5, 5, 7, 18, 27, 27, 27, 27, | |
6, 7, 15, 27, 27, 27, 27, 27, 13, 18, 27, 27, 27, 27, 27, 27, | |
27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, | |
27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27}; | |
//[071]========================= | |
static const unsigned char tbl071Y[64] = { | |
6, 4, 3, 6, 9, 15, 19, 22, 4, 4, 5, 7, 9, 21, 22, 20, | |
5, 4, 6, 9, 15, 21, 25, 21, 5, 6, 8, 10, 19, 32, 30, 23, | |
6, 8, 13, 21, 25, 40, 38, 28, 9, 13, 20, 24, 30, 39, 42, 34, | |
18, 24, 29, 32, 38, 45, 45, 37, 27, 34, 35, 36, 42, 37, 38, 37}; | |
static const unsigned char tbl071Uv[64] = { | |
9, 10, 13, 26, 55, 55, 55, 55, 10, 11, 14, 37, 55, 55, 55, 55, | |
13, 14, 31, 55, 55, 55, 55, 55, 26, 37, 55, 55, 55, 55, 55, 55, | |
55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, | |
55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55}; | |
//[057]========================= | |
static const unsigned char tbl057Y[64] = { | |
9, 6, 5, 9, 13, 22, 28, 34, 6, 6, 7, 10, 14, 32, 33, 30, | |
7, 7, 9, 13, 22, 32, 38, 31, 7, 9, 12, 16, 28, 48, 45, 34, | |
10, 12, 20, 31, 38, 61, 57, 43, 13, 19, 30, 36, 45, 58, 63, 51, | |
27, 36, 43, 48, 57, 68, 67, 56, 40, 51, 53, 55, 63, 56, 57, 55}; | |
static const unsigned char tbl057Uv[64] = { | |
13, 14, 19, 38, 80, 80, 80, 80, 14, 17, 21, 53, 80, 80, 80, 80, | |
19, 21, 45, 80, 80, 80, 80, 80, 38, 53, 80, 80, 80, 80, 80, 80, | |
80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, | |
80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80}; | |
//[043]========================= | |
static const unsigned char tbl043Y[64] = { | |
11, 7, 7, 11, 17, 28, 36, 43, 8, 8, 10, 13, 18, 41, 43, 39, | |
10, 9, 11, 17, 28, 40, 49, 40, 10, 12, 15, 20, 36, 62, 57, 44, | |
12, 15, 26, 40, 48, 78, 74, 55, 17, 25, 39, 46, 58, 74, 81, 66, | |
35, 46, 56, 62, 74, 86, 86, 72, 51, 66, 68, 70, 80, 71, 74, 71}; | |
static const unsigned char tbl043Uv[64] = { | |
18, 19, 26, 51, 108, 108, 108, 108, 19, 22, 28, 72, 108, | |
108, 108, 108, 26, 28, 61, 108, 108, 108, 108, 108, 51, 72, | |
108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, | |
108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, | |
108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108}; | |
//[029]========================= | |
static const unsigned char tbl029Y[64] = { | |
14, 9, 9, 14, 21, 36, 46, 55, 10, 10, 12, 17, 23, 52, 54, 49, | |
12, 11, 14, 21, 36, 51, 62, 50, 12, 15, 19, 26, 46, 78, 72, 56, | |
16, 19, 33, 50, 61, 98, 93, 69, 21, 31, 49, 58, 73, 94, 102, 83, | |
44, 58, 70, 78, 93, 109, 108, 91, 65, 83, 86, 88, 101, 90, 93, 89}; | |
static const unsigned char tbl029Uv[64] = { | |
22, 24, 32, 63, 133, 133, 133, 133, 24, 28, 34, 88, 133, | |
133, 133, 133, 32, 34, 75, 133, 133, 133, 133, 133, 63, 88, | |
133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, | |
133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, | |
133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133}; | |
//[014]========================= | |
static const unsigned char tbl014Y[64] = { | |
17, 12, 10, 17, 26, 43, 55, 66, 13, 13, 15, 20, 28, 63, 65, 60, | |
15, 14, 17, 26, 43, 62, 75, 61, 15, 18, 24, 31, 55, 95, 87, 67, | |
19, 24, 40, 61, 74, 119, 112, 84, 26, 38, 60, 70, 88, 113, 123, 100, | |
53, 70, 85, 95, 112, 132, 131, 110, 78, 100, 103, 107, 122, 109, 112, 108}; | |
static const unsigned char tbl014Uv[64] = { | |
27, 29, 39, 76, 160, 160, 160, 160, 29, 34, 42, 107, 160, | |
160, 160, 160, 39, 42, 91, 160, 160, 160, 160, 160, 76, 107, | |
160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, | |
160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, | |
160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160}; | |
//[000]========================= | |
static const unsigned char tbl000Y[64] = { | |
20, 13, 12, 20, 30, 50, 63, 76, 15, 15, 17, 23, 32, 72, 75, 68, | |
17, 16, 20, 30, 50, 71, 86, 70, 17, 21, 27, 36, 63, 108, 100, 77, | |
22, 27, 46, 70, 85, 136, 128, 96, 30, 43, 68, 80, 101, 130, 141, 115, | |
61, 80, 97, 108, 128, 151, 150, 126, 90, 115, 118, 122, 140, 125, 128, 123}; | |
static const unsigned char tbl000Uv[64] = { | |
31, 33, 45, 88, 185, 185, 185, 185, 33, 39, 48, 123, 185, | |
185, 185, 185, 45, 48, 105, 185, 185, 185, 185, 185, 88, 123, | |
185, 185, 185, 185, 185, 185, 185, 185, 185, 185, 185, 185, 185, | |
185, 185, 185, 185, 185, 185, 185, 185, 185, 185, 185, 185, 185, | |
185, 185, 185, 185, 185, 185, 185, 185, 185, 185, 185, 185}; | |
struct HuffmanTable { | |
unsigned char length[17]; // k =1-16 ; L[k] indicates the number of Huffman | |
// codes of length k | |
unsigned short int minorCode[17]; // indicates the value of the smallest | |
// Huffman code of length k | |
unsigned short int majorCode[17]; // similar, but the highest code | |
unsigned char v[65536]; // V[k][j] = Value associated to the j-th Huffman | |
// code of length k | |
// High nibble = nr of previous 0 coefficients | |
// Low nibble = size (in bits) of the coefficient which will be taken from the | |
// data stream | |
unsigned char len[65536]; | |
}; |