mirror of https://bitbucket.org/ausocean/av.git
68 lines
3.9 KiB
Go
68 lines
3.9 KiB
Go
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package h264dec
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// coefTokenTable is a CSV representation of table 9-5 from the specifications.
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// This is used to populate a series of maps at initialisation for the
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// retrieval of TotalCoeff and TrailingOnes values for a given coeff_token.
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const coeffTokenTable = `0,0,1,11,1111,0000 11,01,1
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0,1,0001 01,0010 11,0011 11,0000 00,0001 11,0001 111
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1,1,01,10,1110,0000 01,1,01
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0,2,0000 0111,0001 11,0010 11,0001 00,0001 00,0001 110
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1,2,0001 00,0011 1,0111 1,0001 01,0001 10,0001 101
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2,2,001,011,1101,0001 10,001,001
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0,3,0000 0011 1,0000 111,0010 00,0010 00,0000 11,0000 0011 1
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1,3,0000 0110,0010 10,0110 0,0010 01,0000 011,0001 100
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2,3,0000 101,0010 01,0111 0,0010 10,0000 010,0001 011
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3,3,0001 1,0101,1100,0010 11,0001 01,0000 1
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0,4,0000 0001 11,0000 0111,0001 111,0011 00,0000 10,0000 0011 0
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1,4,0000 0011 0,0001 10,0101 0,0011 01,0000 0011,0000 0010 1
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2,4,0000 0101,0001 01,0101 1,0011 10,0000 0010,0001 010
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3,4,0000 11,0100,1011,0011 11,0000 000,0000 01
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0,5,0000 0000 111,0000 0100,0001 011,0100 00,-,0000 0001 11
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1,5,0000 0001 10,0000 110,0100 0,0100 01,-,0000 0001 10
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2,5,0000 0010 1,0000 101,0100 1,0100 10,-,0000 0010 0
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3,5,0000 100,0011 0,1010,0100 11,-,0001 001
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0,6,0000 0000 0111 1,0000 0011 1,0001 001,0101 00,-,0000 0000 111
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1,6,0000 0000 110,0000 0110,0011 10,0101 01,-,0000 0000 110
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2,6,0000 0001 01,0000 0101,0011 01,0101 10,-,0000 0001 01
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3,6,0000 0100,0010 00,1001,0101 11,-,0001 000
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0,7,0000 0000 0101 1,0000 0001 111,0001 000,0110 00,-,0000 0000 0111
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1,7,0000 0000 0111 0,0000 0011 0,0010 10,0110 01,-,0000 0000 0110
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2,7,0000 0000 101,0000 0010 1,0010 01,0110 10,-,0000 0000 101
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3,7,0000 0010 0,0001 00,1000,0110 11,-,0000 0001 00
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0,8,0000 0000 0100 0,0000 0001 011,0000 1111,0111 00,-,0000 0000 0011 1
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1,8,0000 0000 0101 0,0000 0001 110,0001 110,0111 01,-,0000 0000 0101
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2,8,0000 0000 0110 1,0000 0001 101,0001 101,0111 10,-,0000 0000 0100
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3,8,0000 0001 00,0000 100,0110 1,0111 11,-,0000 0000 100
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0,9,0000 0000 0011 11,0000 0000 1111,0000 1011,1000 00,-,-
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1,9,0000 0000 0011 10,0000 0001 010,0000 1110,1000 01,-,-
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2,9,0000 0000 0100 1,0000 0001 001,0001 010,1000 10,-,-
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3,9,0000 0000 100,0000 0010 0,0011 00,1000 11,-,-
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0,10,0000 0000 0010 11,0000 0000 1011,0000 0111 1,1001 00,-,-
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1,10,0000 0000 0010 10,0000 0000 1110,0000 1010,1001 01,-,-
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2,10,0000 0000 0011 01,0000 0000 1101,0000 1101,1001 10,-,-
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3,10,0000 0000 0110 0,0000 0001 100,0001 100,1001 11,-,-
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0,11,0000 0000 0001 111,0000 0000 1000,0000 0101 1,1010 00,-,-
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1,11,0000 0000 0001 110,0000 0000 1010,0000 0111 0,1010 01,-,-
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2,11,0000 0000 0010 01,0000 0000 1001,0000 1001,1010 10,-,-
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3,11,0000 0000 0011 00,0000 0001 000,0000 1100,1010 11,-,-
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0,12,0000 0000 0001 011,0000 0000 0111 1,0000 0100 0,1011 00,-,-
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1,12,0000 0000 0001 010,0000 0000 0111 0,0000 0101 0,1011 01,-,-
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2,12,0000 0000 0001 101,0000 0000 0110 1,0000 0110 1,1011 10,-,-
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3,12,0000 0000 0010 00,0000 0000 1100,0000 1000,1011 11,-,-
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0,13,0000 0000 0000 1111,0000 0000 0101 1,0000 0011 01,1100 00,-,-
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1,13,0000 0000 0000 001,0000 0000 0101 0,0000 0011 1,1100 01,-,-
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2,13,0000 0000 0001 001,0000 0000 0100 1,0000 0100 1,1100 10,-,-
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3,13,0000 0000 0001 100,0000 0000 0110 0,0000 0110 0,1100 11,-,-
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0,14,0000 0000 0000 1011,0000 0000 0011 1,0000 0010 01,1101 00,-,-
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1,14,0000 0000 0000 1110,0000 0000 0010 11,0000 0011 00,1101 01,-,-
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2,14,0000 0000 0000 1101,0000 0000 0011 0,0000 0010 11,1101 10,-,-
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3,14,0000 0000 0001 000,0000 0000 0100 0,0000 0010 10,1101 11,-,-
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0,15,0000 0000 0000 0111,0000 0000 0010 01,0000 0001 01,1110 00,-,-
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1,15,0000 0000 0000 1010,0000 0000 0010 00,0000 0010 00,1110 01,-,-
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2,15,0000 0000 0000 1001,0000 0000 0010 10,0000 0001 11,1110 10,-,-
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3,15,0000 0000 0000 1100,0000 0000 0000 1,0000 0001 10,1110 11,-,-
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0,16,0000 0000 0000 0100,0000 0000 0001 11,0000 0000 01,1111 00,-,-
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1,16,0000 0000 0000 0110,0000 0000 0001 10,0000 0001 00,1111 01,-,-
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2,16,0000 0000 0000 0101,0000 0000 0001 01,0000 0000 11,1111 10,-,-
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3,16,0000 0000 0000 1000,0000 0000 0001 00,0000 0000 10,1111 11,-,-`
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