private static VLC readHuffmanTable(MemoryStream data)
{
VLCBuilder builder = new VLCBuilder();
byte[] levelSizes = StreamExtensions.toArray(StreamExtensions.read(data, 16));
int levelStart = 0;
for (int i = 0; i < 16; i++)
{
int length = levelSizes[i] & 0xff;
for (int c = 0; c < length; c++)
{
int val = data.get() & 0xff;
int code = levelStart++;
builder.set(code, i + 1, val);
}
levelStart <<= 1;
}
return(builder.getVLC());
}
static MPEGConst()
{
vlcAddressIncrement = new VLC("1", "011", "010", "0011", "0010", "00011", "00010", "0000111", "0000110",
"00001011", "00001010", "00001001", "00001000", "00000111", "00000110", "0000010111", "0000010110",
"0000010101", "0000010100", "0000010011", "0000010010", "00000100011", "00000100010", "00000100001",
"00000100000", "00000011111", "00000011110", "00000011101", "00000011100", "00000011011",
"00000011010", "00000011001", "00000011000");
vlcMBTypeI = new VLC("1", "01");
mbTypeValI = new MBType[] { new MBType(0, 0, 0, 0, 1, 0, 0), new MBType(1, 0, 0, 0, 1, 0, 0) };
vlcMBTypeP = new VLC("1", "01", "001", "00011", "00010", "00001", "000001");
mbTypeValP = new MBType[] { new MBType(0, 1, 0, 1, 0, 0, 0), new MBType(0, 0, 0, 1, 0, 0, 0),
new MBType(0, 1, 0, 0, 0, 0, 0), new MBType(0, 0, 0, 0, 1, 0, 0), new MBType(1, 1, 0, 1, 0, 0, 0),
new MBType(1, 0, 0, 1, 0, 0, 0), new MBType(1, 0, 0, 0, 1, 0, 0) };
vlcMBTypeB = new VLC("10", "11", "010", "011", "0010", "0011", "00011", "00010", "000011", "000010", "000001");
mbTypeValB = new MBType[] { new MBType(0, 1, 1, 0, 0, 0, 0), new MBType(0, 1, 1, 1, 0, 0, 0),
new MBType(0, 0, 1, 0, 0, 0, 0), new MBType(0, 0, 1, 1, 0, 0, 0), new MBType(0, 1, 0, 0, 0, 0, 0),
new MBType(0, 1, 0, 1, 0, 0, 0), new MBType(0, 0, 0, 0, 1, 0, 0), new MBType(1, 1, 1, 1, 0, 0, 0),
new MBType(1, 1, 0, 1, 0, 0, 0), new MBType(1, 0, 1, 1, 0, 0, 0), new MBType(1, 0, 0, 0, 1, 0, 0) };
vlcMBTypeISpat = new VLC("1", "01", "0011", "0010", "0001");
mbTypeValISpat = new MBType[] { new MBType(0, 0, 0, 0, 1, 0, 0), new MBType(1, 0, 0, 0, 1, 0, 0),
new MBType(0, 0, 0, 0, 1, 0, 0), new MBType(1, 0, 0, 0, 1, 0, 0), new MBType(0, 0, 0, 0, 0, 0, 0) };
vlcMBTypePSpat = new VLC("10", "011", "0000100", "000111", "0010", "0000111", "0011", "010", "000100",
"0000110", "11", "000101", "000110", "0000101", "0000010", "0000011");
mbTypeValPSpat = new MBType[] { new MBType(0, 1, 0, 1, 0, 0, 0), new MBType(0, 1, 0, 1, 0, 1, 0),
new MBType(0, 0, 0, 1, 0, 0, 0), new MBType(0, 0, 0, 1, 0, 1, 0), new MBType(0, 1, 0, 0, 0, 0, 0),
new MBType(0, 0, 0, 0, 1, 0, 0), new MBType(0, 1, 0, 0, 0, 1, 0), new MBType(1, 1, 0, 1, 0, 0, 0),
new MBType(1, 0, 0, 1, 0, 0, 0), new MBType(1, 0, 0, 0, 1, 0, 0), new MBType(1, 1, 0, 1, 0, 1, 0),
new MBType(1, 0, 0, 1, 0, 1, 0), new MBType(0, 0, 0, 0, 0, 1, 0), new MBType(0, 0, 0, 1, 0, 0, 0),
new MBType(1, 0, 0, 1, 0, 0, 0), new MBType(0, 0, 0, 0, 0, 0, 0) };
vlcMBTypeBSpat = new VLC("10", "11", "010", "011", "0010", "0011", "000110", "000111", "000100", "000101",
"0000110", "0000111", "0000100", "0000101", "00000100", "00000101", "000001100", "000001110",
"000001101", "000001111");
mbTypeValBSpat = new MBType[] { new MBType(0, 1, 1, 0, 0, 0, 0), new MBType(0, 1, 1, 1, 0, 0, 0),
new MBType(0, 0, 1, 0, 0, 0, 0), new MBType(0, 0, 1, 1, 0, 0, 0), new MBType(0, 1, 0, 0, 0, 0, 0),
new MBType(0, 1, 0, 1, 0, 0, 0), new MBType(0, 0, 1, 0, 0, 1, 0), new MBType(0, 0, 1, 1, 0, 1, 0),
new MBType(0, 1, 0, 0, 0, 1, 0), new MBType(0, 1, 0, 1, 0, 1, 0), new MBType(0, 0, 0, 0, 1, 0, 0),
new MBType(1, 1, 1, 1, 0, 0, 0), new MBType(1, 1, 0, 1, 0, 0, 0), new MBType(1, 0, 1, 1, 0, 0, 0),
new MBType(1, 0, 0, 0, 1, 0, 0), new MBType(1, 1, 0, 1, 0, 1, 0), new MBType(1, 0, 1, 1, 0, 1, 0),
new MBType(0, 0, 0, 0, 0, 0, 0), new MBType(1, 0, 0, 1, 0, 0, 0), new MBType(0, 0, 0, 1, 0, 0, 0) };
vlcMBTypeSNR = new VLC("1", "01", "001");
mbTypeValSNR = new MBType[] { new MBType(0, 0, 0, 1, 0, 0, 0), new MBType(1, 0, 0, 1, 0, 0, 0),
new MBType(0, 0, 0, 0, 0, 0, 0) };
vlcCBP = new VLC("000000001", "01011", "01001", "001101", "1101", "0010111", "0010011", "00011111", "1100",
"0010110", "0010010", "00011110", "10011", "00011011", "00010111", "00010011", "1011", "0010101",
"0010001", "00011101", "10001", "00011001", "00010101", "00010001", "001111", "00001111", "00001101",
"000000011", "01111", "00001011", "00000111", "000000111", "1010", "0010100", "0010000", "00011100",
"001110", "00001110", "00001100", "000000010", "10000", "00011000", "00010100", "00010000", "01110",
"00001010", "00000110", "000000110", "10010", "00011010", "00010110", "00010010", "01101", "00001001",
"00000101", "000000101", "01100", "00001000", "00000100", "000000100", "111", "01010", "01000",
"001100");
vlcMotionCode = new VLC("1", "01", "001", "0001", "000011", "0000101", "0000100", "0000011", "000001011",
"000001010", "000001001", "0000010001", "0000010000", "0000001111", "0000001110", "0000001101",
"0000001100");
vlcDualPrime = new VLC("11", "0", "10");
vlcDCSizeLuma = new VLC("100", "00", "01", "101", "110", "1110", "11110", "111110", "1111110", "11111110",
"111111110", "111111111");
vlcDCSizeChroma = new VLC("00", "01", "10", "110", "1110", "11110", "111110", "1111110", "11111110",
"111111110", "1111111110", "1111111111");
VLCBuilder vlcCoeffBldr = new VLCBuilder();
vlcCoeffBldr.set(CODE_ESCAPE, "000001");
vlcCoeffBldr.set(CODE_END, "10");
vlcCoeffBldr.set((0 << 6) | 1, "11");
vlcCoeffBldr.set((1 << 6) | 1, "011");
vlcCoeffBldr.set((0 << 6) | 2, "0100");
vlcCoeffBldr.set((2 << 6) | 1, "0101");
vlcCoeffBldr.set((0 << 6) | 3, "00101");
vlcCoeffBldr.set((3 << 6) | 1, "00111");
vlcCoeffBldr.set((4 << 6) | 1, "00110");
vlcCoeffBldr.set((1 << 6) | 2, "000110");
vlcCoeffBldr.set((5 << 6) | 1, "000111");
vlcCoeffBldr.set((6 << 6) | 1, "000101");
vlcCoeffBldr.set((7 << 6) | 1, "000100");
vlcCoeffBldr.set((0 << 6) | 4, "0000110");
vlcCoeffBldr.set((2 << 6) | 2, "0000100");
vlcCoeffBldr.set((8 << 6) | 1, "0000111");
vlcCoeffBldr.set((9 << 6) | 1, "0000101");
vlcCoeffBldr.set((0 << 6) | 5, "00100110");
vlcCoeffBldr.set((0 << 6) | 6, "00100001");
vlcCoeffBldr.set((1 << 6) | 3, "00100101");
vlcCoeffBldr.set((3 << 6) | 2, "00100100");
vlcCoeffBldr.set((10 << 6) | 1, "00100111");
vlcCoeffBldr.set((11 << 6) | 1, "00100011");
vlcCoeffBldr.set((12 << 6) | 1, "00100010");
vlcCoeffBldr.set((13 << 6) | 1, "00100000");
vlcCoeffBldr.set((0 << 6) | 7, "0000001010");
vlcCoeffBldr.set((1 << 6) | 4, "0000001100");
vlcCoeffBldr.set((2 << 6) | 3, "0000001011");
vlcCoeffBldr.set((4 << 6) | 2, "0000001111");
vlcCoeffBldr.set((5 << 6) | 2, "0000001001");
vlcCoeffBldr.set((14 << 6) | 1, "0000001110");
vlcCoeffBldr.set((15 << 6) | 1, "0000001101");
vlcCoeffBldr.set((16 << 6) | 1, "0000001000");
vlcCoeffBldr.set((0 << 6) | 8, "000000011101");
vlcCoeffBldr.set((0 << 6) | 9, "000000011000");
vlcCoeffBldr.set((0 << 6) | 10, "000000010011");
vlcCoeffBldr.set((0 << 6) | 11, "000000010000");
vlcCoeffBldr.set((1 << 6) | 5, "000000011011");
vlcCoeffBldr.set((2 << 6) | 4, "000000010100");
vlcCoeffBldr.set((3 << 6) | 3, "000000011100");
vlcCoeffBldr.set((4 << 6) | 3, "000000010010");
vlcCoeffBldr.set((6 << 6) | 2, "000000011110");
vlcCoeffBldr.set((7 << 6) | 2, "000000010101");
vlcCoeffBldr.set((8 << 6) | 2, "000000010001");
vlcCoeffBldr.set((17 << 6) | 1, "000000011111");
vlcCoeffBldr.set((18 << 6) | 1, "000000011010");
vlcCoeffBldr.set((19 << 6) | 1, "000000011001");
vlcCoeffBldr.set((20 << 6) | 1, "000000010111");
vlcCoeffBldr.set((21 << 6) | 1, "000000010110");
vlcCoeffBldr.set((0 << 6) | 12, "0000000011010");
vlcCoeffBldr.set((0 << 6) | 13, "0000000011001");
vlcCoeffBldr.set((0 << 6) | 14, "0000000011000");
vlcCoeffBldr.set((0 << 6) | 15, "0000000010111");
vlcCoeffBldr.set((1 << 6) | 6, "0000000010110");
vlcCoeffBldr.set((1 << 6) | 7, "0000000010101");
vlcCoeffBldr.set((2 << 6) | 5, "0000000010100");
vlcCoeffBldr.set((3 << 6) | 4, "0000000010011");
vlcCoeffBldr.set((5 << 6) | 3, "0000000010010");
vlcCoeffBldr.set((9 << 6) | 2, "0000000010001");
vlcCoeffBldr.set((10 << 6) | 2, "0000000010000");
vlcCoeffBldr.set((22 << 6) | 1, "0000000011111");
vlcCoeffBldr.set((23 << 6) | 1, "0000000011110");
vlcCoeffBldr.set((24 << 6) | 1, "0000000011101");
vlcCoeffBldr.set((25 << 6) | 1, "0000000011100");
vlcCoeffBldr.set((26 << 6) | 1, "0000000011011");
vlcCoeffBldr.set((0 << 6) | 16, "00000000011111");
vlcCoeffBldr.set((0 << 6) | 17, "00000000011110");
vlcCoeffBldr.set((0 << 6) | 18, "00000000011101");
vlcCoeffBldr.set((0 << 6) | 19, "00000000011100");
vlcCoeffBldr.set((0 << 6) | 20, "00000000011011");
vlcCoeffBldr.set((0 << 6) | 21, "00000000011010");
vlcCoeffBldr.set((0 << 6) | 22, "00000000011001");
vlcCoeffBldr.set((0 << 6) | 23, "00000000011000");
vlcCoeffBldr.set((0 << 6) | 24, "00000000010111");
vlcCoeffBldr.set((0 << 6) | 25, "00000000010110");
vlcCoeffBldr.set((0 << 6) | 26, "00000000010101");
vlcCoeffBldr.set((0 << 6) | 27, "00000000010100");
vlcCoeffBldr.set((0 << 6) | 28, "00000000010011");
vlcCoeffBldr.set((0 << 6) | 29, "00000000010010");
vlcCoeffBldr.set((0 << 6) | 30, "00000000010001");
vlcCoeffBldr.set((0 << 6) | 31, "00000000010000");
vlcCoeffBldr.set((0 << 6) | 32, "000000000011000");
vlcCoeffBldr.set((0 << 6) | 33, "000000000010111");
vlcCoeffBldr.set((0 << 6) | 34, "000000000010110");
vlcCoeffBldr.set((0 << 6) | 35, "000000000010101");
vlcCoeffBldr.set((0 << 6) | 36, "000000000010100");
vlcCoeffBldr.set((0 << 6) | 37, "000000000010011");
vlcCoeffBldr.set((0 << 6) | 38, "000000000010010");
vlcCoeffBldr.set((0 << 6) | 39, "000000000010001");
vlcCoeffBldr.set((0 << 6) | 40, "000000000010000");
vlcCoeffBldr.set((1 << 6) | 8, "000000000011111");
vlcCoeffBldr.set((1 << 6) | 9, "000000000011110");
vlcCoeffBldr.set((1 << 6) | 10, "000000000011101");
vlcCoeffBldr.set((1 << 6) | 11, "000000000011100");
vlcCoeffBldr.set((1 << 6) | 12, "000000000011011");
vlcCoeffBldr.set((1 << 6) | 13, "000000000011010");
vlcCoeffBldr.set((1 << 6) | 14, "000000000011001");
vlcCoeffBldr.set((1 << 6) | 15, "0000000000010011");
vlcCoeffBldr.set((1 << 6) | 16, "0000000000010010");
vlcCoeffBldr.set((1 << 6) | 17, "0000000000010001");
vlcCoeffBldr.set((1 << 6) | 18, "0000000000010000");
vlcCoeffBldr.set((6 << 6) | 3, "0000000000010100");
vlcCoeffBldr.set((11 << 6) | 2, "0000000000011010");
vlcCoeffBldr.set((12 << 6) | 2, "0000000000011001");
vlcCoeffBldr.set((13 << 6) | 2, "0000000000011000");
vlcCoeffBldr.set((14 << 6) | 2, "0000000000010111");
vlcCoeffBldr.set((15 << 6) | 2, "0000000000010110");
vlcCoeffBldr.set((16 << 6) | 2, "0000000000010101");
vlcCoeffBldr.set((27 << 6) | 1, "0000000000011111");
vlcCoeffBldr.set((28 << 6) | 1, "0000000000011110");
vlcCoeffBldr.set((29 << 6) | 1, "0000000000011101");
vlcCoeffBldr.set((30 << 6) | 1, "0000000000011100");
vlcCoeffBldr.set((31 << 6) | 1, "0000000000011011");
vlcCoeff0 = vlcCoeffBldr.getVLC();
vlcCoeffBldr = new VLCBuilder();
vlcCoeffBldr.set(CODE_ESCAPE, "000001");
vlcCoeffBldr.set(CODE_END, "0110");
vlcCoeffBldr.set((0 << 6) | 1, "10");
vlcCoeffBldr.set((1 << 6) | 1, "010");
vlcCoeffBldr.set((0 << 6) | 2, "110");
vlcCoeffBldr.set((2 << 6) | 1, "00101");
vlcCoeffBldr.set((0 << 6) | 3, "0111");
vlcCoeffBldr.set((3 << 6) | 1, "00111");
vlcCoeffBldr.set((4 << 6) | 1, "000110");
vlcCoeffBldr.set((1 << 6) | 2, "00110");
vlcCoeffBldr.set((5 << 6) | 1, "000111");
vlcCoeffBldr.set((6 << 6) | 1, "0000110");
vlcCoeffBldr.set((7 << 6) | 1, "0000100");
vlcCoeffBldr.set((0 << 6) | 4, "11100");
vlcCoeffBldr.set((2 << 6) | 2, "0000111");
vlcCoeffBldr.set((8 << 6) | 1, "0000101");
vlcCoeffBldr.set((9 << 6) | 1, "1111000");
vlcCoeffBldr.set((0 << 6) | 5, "11101");
vlcCoeffBldr.set((0 << 6) | 6, "000101");
vlcCoeffBldr.set((1 << 6) | 3, "1111001");
vlcCoeffBldr.set((3 << 6) | 2, "00100110");
vlcCoeffBldr.set((10 << 6) | 1, "1111010");
vlcCoeffBldr.set((11 << 6) | 1, "00100001");
vlcCoeffBldr.set((12 << 6) | 1, "00100101");
vlcCoeffBldr.set((13 << 6) | 1, "00100100");
vlcCoeffBldr.set((0 << 6) | 7, "000100");
vlcCoeffBldr.set((1 << 6) | 4, "00100111");
vlcCoeffBldr.set((2 << 6) | 3, "11111100");
vlcCoeffBldr.set((4 << 6) | 2, "11111101");
vlcCoeffBldr.set((5 << 6) | 2, "000000100");
vlcCoeffBldr.set((14 << 6) | 1, "000000101");
vlcCoeffBldr.set((15 << 6) | 1, "000000111");
vlcCoeffBldr.set((16 << 6) | 1, "0000001101");
vlcCoeffBldr.set((0 << 6) | 8, "1111011");
vlcCoeffBldr.set((0 << 6) | 9, "1111100");
vlcCoeffBldr.set((0 << 6) | 10, "00100011");
vlcCoeffBldr.set((0 << 6) | 11, "00100010");
vlcCoeffBldr.set((1 << 6) | 5, "00100000");
vlcCoeffBldr.set((2 << 6) | 4, "0000001100");
vlcCoeffBldr.set((3 << 6) | 3, "000000011100");
vlcCoeffBldr.set((4 << 6) | 3, "000000010010");
vlcCoeffBldr.set((6 << 6) | 2, "000000011110");
vlcCoeffBldr.set((7 << 6) | 2, "000000010101");
vlcCoeffBldr.set((8 << 6) | 2, "000000010001");
vlcCoeffBldr.set((17 << 6) | 1, "000000011111");
vlcCoeffBldr.set((18 << 6) | 1, "000000011010");
vlcCoeffBldr.set((19 << 6) | 1, "000000011001");
vlcCoeffBldr.set((20 << 6) | 1, "000000010111");
vlcCoeffBldr.set((21 << 6) | 1, "000000010110");
vlcCoeffBldr.set((0 << 6) | 12, "11111010");
vlcCoeffBldr.set((0 << 6) | 13, "11111011");
vlcCoeffBldr.set((0 << 6) | 14, "11111110");
vlcCoeffBldr.set((0 << 6) | 15, "11111111");
vlcCoeffBldr.set((1 << 6) | 6, "0000000010110");
vlcCoeffBldr.set((1 << 6) | 7, "0000000010101");
vlcCoeffBldr.set((2 << 6) | 5, "0000000010100");
vlcCoeffBldr.set((3 << 6) | 4, "0000000010011");
vlcCoeffBldr.set((5 << 6) | 3, "0000000010010");
vlcCoeffBldr.set((9 << 6) | 2, "0000000010001");
vlcCoeffBldr.set((10 << 6) | 2, "0000000010000");
vlcCoeffBldr.set((22 << 6) | 1, "0000000011111");
vlcCoeffBldr.set((23 << 6) | 1, "0000000011110");
vlcCoeffBldr.set((24 << 6) | 1, "0000000011101");
vlcCoeffBldr.set((25 << 6) | 1, "0000000011100");
vlcCoeffBldr.set((26 << 6) | 1, "0000000011011");
vlcCoeffBldr.set((0 << 6) | 16, "00000000011111");
vlcCoeffBldr.set((0 << 6) | 17, "00000000011110");
vlcCoeffBldr.set((0 << 6) | 18, "00000000011101");
vlcCoeffBldr.set((0 << 6) | 19, "00000000011100");
vlcCoeffBldr.set((0 << 6) | 20, "00000000011011");
vlcCoeffBldr.set((0 << 6) | 21, "00000000011010");
vlcCoeffBldr.set((0 << 6) | 22, "00000000011001");
vlcCoeffBldr.set((0 << 6) | 23, "00000000011000");
vlcCoeffBldr.set((0 << 6) | 24, "00000000010111");
vlcCoeffBldr.set((0 << 6) | 25, "00000000010110");
vlcCoeffBldr.set((0 << 6) | 26, "00000000010101");
vlcCoeffBldr.set((0 << 6) | 27, "00000000010100");
vlcCoeffBldr.set((0 << 6) | 28, "00000000010011");
vlcCoeffBldr.set((0 << 6) | 29, "00000000010010");
vlcCoeffBldr.set((0 << 6) | 30, "00000000010001");
vlcCoeffBldr.set((0 << 6) | 31, "00000000010000");
vlcCoeffBldr.set((0 << 6) | 32, "000000000011000");
vlcCoeffBldr.set((0 << 6) | 33, "000000000010111");
vlcCoeffBldr.set((0 << 6) | 34, "000000000010110");
vlcCoeffBldr.set((0 << 6) | 35, "000000000010101");
vlcCoeffBldr.set((0 << 6) | 36, "000000000010100");
vlcCoeffBldr.set((0 << 6) | 37, "000000000010011");
vlcCoeffBldr.set((0 << 6) | 38, "000000000010010");
vlcCoeffBldr.set((0 << 6) | 39, "000000000010001");
vlcCoeffBldr.set((0 << 6) | 40, "000000000010000");
vlcCoeffBldr.set((1 << 6) | 8, "000000000011111");
vlcCoeffBldr.set((1 << 6) | 9, "000000000011110");
vlcCoeffBldr.set((1 << 6) | 10, "000000000011101");
vlcCoeffBldr.set((1 << 6) | 11, "000000000011100");
vlcCoeffBldr.set((1 << 6) | 12, "000000000011011");
vlcCoeffBldr.set((1 << 6) | 13, "000000000011010");
vlcCoeffBldr.set((1 << 6) | 14, "000000000011001");
vlcCoeffBldr.set((1 << 6) | 15, "0000000000010011");
vlcCoeffBldr.set((1 << 6) | 16, "0000000000010010");
vlcCoeffBldr.set((1 << 6) | 17, "0000000000010001");
vlcCoeffBldr.set((1 << 6) | 18, "0000000000010000");
vlcCoeffBldr.set((6 << 6) | 3, "0000000000010100");
vlcCoeffBldr.set((11 << 6) | 2, "0000000000011010");
vlcCoeffBldr.set((12 << 6) | 2, "0000000000011001");
vlcCoeffBldr.set((13 << 6) | 2, "0000000000011000");
vlcCoeffBldr.set((14 << 6) | 2, "0000000000010111");
vlcCoeffBldr.set((15 << 6) | 2, "0000000000010110");
vlcCoeffBldr.set((16 << 6) | 2, "0000000000010101");
vlcCoeffBldr.set((27 << 6) | 1, "0000000000011111");
vlcCoeffBldr.set((28 << 6) | 1, "0000000000011110");
vlcCoeffBldr.set((29 << 6) | 1, "0000000000011101");
vlcCoeffBldr.set((30 << 6) | 1, "0000000000011100");
vlcCoeffBldr.set((31 << 6) | 1, "0000000000011011");
vlcCoeff1 = vlcCoeffBldr.getVLC();
}