Difference between revisions of "VC-1 Tables"

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(added implicit non-uniform quantizer table)
(mention 3D Huffman tables)
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     21, 22, 23, 24, 25, 27, 29, 31
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   };
== 3D Huffman Tables ==
This SRD refers to a system of 3D Huffman decoding. The 3-dimensional table is laid out as such:
  vc1DEC3DH_pACCodingSets
    +- 0: (inter)
    +- vc1DEC3DH_HighRateInter
    +- vc1DEC3DH_HighMotInter
    +- vc1DEC3DH_MidRateInter
    +- 1: (inter)
    +- vc1DEC3DH_LowMotInter
    +- vc1DEC3DH_HighMotInter
    +- vc1DEC3DH_MidRateInter
    +- 2: (intra)
    +- vc1DEC3DH_HighRateIntra
    +- vc1DEC3DH_HighMotIntra
    +- vc1DEC3DH_MidRateIntra
    +- 3: (intra)
    +- vc1DEC3DH_LowMotIntra
    +- vc1DEC3DH_HighMotIntra
    +- vc1DEC3DH_MidRateIntra

Revision as of 15:03, 21 May 2006

(Part of Understanding VC-1)

Motion Vector Range VLC Table

code length   VLC    range #
    1          0        0
    2          2        1
    3          6        2
    3          7        3

B Fraction VLC Table

P-Frame Low Rate Motion Vector Mode Table

P-Frame High Rate Motion Vector Mode Table

Motion Vector Diff VLC Tables

Table 0

Table 1

Table 2

Table 3

Coded Block Pattern VLC Tables

Table 0

Table 1

Table 2

Table 3

Bitplane I-mode VLC Table

Norm-2 VLC Table

Norm-6 VLC Table

Transform Tables

These tables pertain to vc1ITRANS_InverseTransform_AnnexA1.

Transform Matrix 8x8

 int transform_matrix_8x8[8][8] = 
 {
   {  12,  12,  12,  12,  12,  12,  12,  12 },
   {  16,  15,   9,   4,  -4,  -9, -15, -16 },
   {  16,   6,  -6, -16, -16,  -6,   6,  16 },
   {  15,  -4, -16,  -9,   9,  16,   4, -15 },
   {  12, -12, -12,  12,  12, -12, -12,  12 },
   {   9, -16,   4,  15, -15,  -4,  16,  -9 },
   {   6, -16,  16,  -6,  -6,  16, -16,   6 },
   {   4,  -9,  15, -16,  16, -15,   9,  -4 }
 };

Transform Matrix 4x4

 int transform_matrix_4x4[4][4] = 
 {
   {  17,  17,  17,  17 },
   {  22,  10, -10, -22 },
   {  17, -17, -17,  17 },
   {  10, -22,  22, -10 }
 };

Constants 8

 int constants_8 = { 0,   0,   0,   0,   1,   1,   1,   1 };

Constants 4

 int constants_4 = { 0,   0,   0,   0 };

Bicubic Filter Coefficients

  • 1/4 pel coordinate: {-4, 53, 18, -3}, divisor = 64 = 26
  • 1/2 pel coordinate: {-1, 9, 9, -1}, divisor = 16 = 24
  • 3/4 pel coordinate: {-3, 18, 53, -4}, divisor = 64 = 26

Bilinear Filter Coefficients

  • array a: {4, 3, 2, 1}
  • array b: {0, 1, 2, 3}

DC Differential VLC Tables

Low Motion Luminance (Y) Table

High Motion Luminance (Y) Table

Low Motion Chrominance (C) Table

High Motion Chrominance (C) Table

Transform Type VLC Tables

1 <= PQuant <= 4

5 <= PQuant <= 12

13 <= PQuant <= 31

Macroblock Transform Type VLC Tables

1 <= PQuant <= 4

5 <= PQuant <= 12

13 <= PQuant <= 31

Inter-coded Sub-block Coding Pattern VLC Tables

1 <= PQuant <= 4

5 <= PQuant <= 12

13 <= PQuant <= 31

Coded Block Pattern VLC Tables

Table 0

Table 1

Table 2

Table 3

I-Frame Coded Block Pattern VLC Table

SRD: vc1DEC_I_Picture_CBPCY_VLC

Implicit Non-Uniform Quantizers

SRD: vc1IQUANT_NonUniformImplicit

 unsigned char non_uniform_implicit_quantizers[32] =
 {
    0,  0,  0,  0,  0,  0,  0,  0,
    0,  6,  7,  8,  9, 10, 11, 12,
   13, 14, 15, 16, 17, 18, 19, 20,
   21, 22, 23, 24, 25, 27, 29, 31
 };

3D Huffman Tables

This SRD refers to a system of 3D Huffman decoding. The 3-dimensional table is laid out as such:

 vc1DEC3DH_pACCodingSets
   +- 0: (inter)
    +- vc1DEC3DH_HighRateInter
    +- vc1DEC3DH_HighMotInter
    +- vc1DEC3DH_MidRateInter
   +- 1: (inter)
    +- vc1DEC3DH_LowMotInter
    +- vc1DEC3DH_HighMotInter
    +- vc1DEC3DH_MidRateInter
   +- 2: (intra)
    +- vc1DEC3DH_HighRateIntra
    +- vc1DEC3DH_HighMotIntra
    +- vc1DEC3DH_MidRateIntra
   +- 3: (intra)
    +- vc1DEC3DH_LowMotIntra
    +- vc1DEC3DH_HighMotIntra
    +- vc1DEC3DH_MidRateIntra