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[/] [cavlc/] [trunk/] [rtl/] [cavlc_read_total_zeros.v] - Blame information for rev 6

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//2011-8-14 initial version
 
`include "defines.v"
 
module cavlc_read_total_zeros(
        ena,
        sel,
        chroma_DC_sel,
        rbsp,
        TotalCoeff,
        TotalZeros_comb,
        len_comb
);
//------------------------
//ports
//------------------------
input   ena;
input   sel;
input   chroma_DC_sel;
input   [0:8]    rbsp;
input   [3:0]    TotalCoeff;
 
output  [3:0]    TotalZeros_comb;
output  [3:0]    len_comb;
 
//-------------------------
//rregs
//-------------------------
reg             [3:0]    TotalZeros_comb;        //TotalZeros will be saved as ZeroLeft in module cavlc_read_run_befores 
reg             [3:0]    len_comb;
 
 
//for  chroma_DC
reg             [0:2]    rbsp_chroma_DC;
reg             [1:0]    TotalZeros_chroma_DC;
reg             [1:0]    len_chroma_DC;
 
//for TotalCoeff <= 3
reg             [0:8]    rbsp_LE3;
reg             [3:0]    TotalZeros_LE3;
reg             [3:0]    len_LE3;
 
//for TotalCoeff > 3
reg             [0:5]    rbsp_G3;
reg             [3:0]    TotalZeros_G3;
reg             [2:0]    len_G3;
 
 
//----------------------------------------
//input mux
//----------------------------------------
always @(*)
if (ena && sel && chroma_DC_sel) begin
        rbsp_chroma_DC  <= rbsp[0:2];
        rbsp_LE3                <= 'hffff;
        rbsp_G3                 <= 'hffff;
end
else if (ena && sel && TotalCoeff[3:2] == 2'b00) begin
        rbsp_chroma_DC  <= 'hffff;
        rbsp_LE3                <= rbsp[0:8];
        rbsp_G3                 <= 'hffff;
end
else if (ena && sel)begin
        rbsp_chroma_DC  <= 'hffff;
        rbsp_LE3                <= 'hffff;
        rbsp_G3                 <= rbsp[0:5];
end
else begin
        rbsp_chroma_DC  <= 'hffff;
        rbsp_LE3                <= 'hffff;
        rbsp_G3                 <= 'hffff;
end
 
//----------------------------------------
//TotalZeros_chroma_DC & len_chroma_DC
//----------------------------------------
always @(*)
if ( TotalCoeff == 1 && rbsp_chroma_DC[0] ) begin
        TotalZeros_chroma_DC    <= 0;
        len_chroma_DC                   <= 1;
end
else if ( TotalCoeff == 1 && rbsp_chroma_DC[1] ) begin
        TotalZeros_chroma_DC    <= 1;
        len_chroma_DC                   <= 2;
end
else if ( TotalCoeff == 1 && rbsp_chroma_DC[2] ) begin
        TotalZeros_chroma_DC    <= 2;
        len_chroma_DC                   <= 3;
end
else if ( TotalCoeff == 1 ) begin
        TotalZeros_chroma_DC    <= 3;
        len_chroma_DC                   <= 3;
end
else if ( TotalCoeff == 2 && rbsp_chroma_DC[0] ) begin
        TotalZeros_chroma_DC    <= 0;
        len_chroma_DC                   <= 1;
end
else if ( TotalCoeff == 2 && rbsp_chroma_DC[1] ) begin
        TotalZeros_chroma_DC    <= 1;
        len_chroma_DC                   <= 2;
end
else if ( TotalCoeff == 2 ) begin
        TotalZeros_chroma_DC    <= 2;
        len_chroma_DC                   <= 2;
end
else if ( rbsp_chroma_DC[0] ) begin
        TotalZeros_chroma_DC    <= 0;
        len_chroma_DC                   <= 1;
end
else begin
        TotalZeros_chroma_DC    <= 1;
        len_chroma_DC                   <= 1;
end
 
 
//---------------------------------
//TotalZeros_LE3 & len_LE3
//---------------------------------
always @(rbsp_LE3 or TotalCoeff)
case (TotalCoeff[1:0])
1 :begin
        case(1'b1)
        rbsp_LE3[0] : begin
                TotalZeros_LE3  <= 0;
                len_LE3                 <= 1;
        end
        rbsp_LE3[1] : begin
                len_LE3                 <= 3;
                if (rbsp_LE3[2])
                        TotalZeros_LE3  <= 1;
                else
                        TotalZeros_LE3  <= 2;
        end
        rbsp_LE3[2] : begin
                len_LE3                 <= 4;
                if (rbsp_LE3[3])
                        TotalZeros_LE3  <= 3;
                else
                        TotalZeros_LE3  <= 4;
        end
        rbsp_LE3[3] : begin
                len_LE3                 <= 5;
                if (rbsp_LE3[4])
                        TotalZeros_LE3  <= 5;
                else
                        TotalZeros_LE3  <= 6;
        end
        rbsp_LE3[4] : begin
                len_LE3                 <= 6;
                if (rbsp_LE3[5])
                        TotalZeros_LE3  <= 7;
                else
                        TotalZeros_LE3  <= 8;
        end
        rbsp_LE3[5] : begin
                len_LE3                 <= 7;
                if (rbsp_LE3[6])
                        TotalZeros_LE3  <= 9;
                else
                        TotalZeros_LE3  <= 10;
        end
        rbsp_LE3[6] : begin
                len_LE3                 <= 8;
                if (rbsp_LE3[7])
                        TotalZeros_LE3  <= 11;
                else
                        TotalZeros_LE3  <= 12;
        end
        rbsp_LE3[7] : begin
                len_LE3                 <= 9;
                if (rbsp_LE3[8])
                        TotalZeros_LE3  <= 13;
                else
                        TotalZeros_LE3  <= 14;
        end
        default : begin
                len_LE3                 <= 9;
                TotalZeros_LE3  <= 15;
        end
        endcase
end
2 : begin
        case(1'b1)
        rbsp_LE3[0] : begin
                len_LE3 <= 3;
                case(rbsp_LE3[1:2])
                'b11 :  TotalZeros_LE3  <= 0;
                'b10 :  TotalZeros_LE3  <= 1;
                'b01 :  TotalZeros_LE3  <= 2;
                'b00 :  TotalZeros_LE3  <= 3;
                endcase
        end
        rbsp_LE3[1] : begin
                if (rbsp_LE3[2]) begin
                        TotalZeros_LE3  <= 4;
                        len_LE3                 <= 3;
                end
                else begin
                        len_LE3                 <= 4;
                        if (rbsp_LE3[3])
                                TotalZeros_LE3  <= 5;
                        else
                                TotalZeros_LE3  <= 6;
                end
        end
        rbsp_LE3[2] : begin
                len_LE3                 <= 4;
                if (rbsp_LE3[3])
                        TotalZeros_LE3  <= 7;
                else
                        TotalZeros_LE3  <= 8;
        end
        rbsp_LE3[3] : begin
                len_LE3                 <= 5;
                if (rbsp_LE3[4])
                        TotalZeros_LE3  <= 9;
                else
                        TotalZeros_LE3  <= 10;
        end
        default : begin
                len_LE3 <= 6;
                case(rbsp_LE3[4:5])
                'b11 :  TotalZeros_LE3  <= 11;
                'b10 :  TotalZeros_LE3  <= 12;
                'b01 :  TotalZeros_LE3  <= 13;
                'b00 :  TotalZeros_LE3  <= 14;
                endcase
        end
        endcase
end
3 : begin
        case(1'b1)
        rbsp_LE3[0] : begin
                len_LE3 <= 3;
                case(rbsp_LE3[1:2])
                'b11 :  TotalZeros_LE3  <= 1;
                'b10 :  TotalZeros_LE3  <= 2;
                'b01 :  TotalZeros_LE3  <= 3;
                'b00 :  TotalZeros_LE3  <= 6;
                endcase
        end
        rbsp_LE3[1] : begin
                if (rbsp_LE3[2]) begin
                        TotalZeros_LE3  <= 7;
                        len_LE3                 <= 3;
                end
                else begin
                        len_LE3                 <= 4;
                        if (rbsp_LE3[3])
                                TotalZeros_LE3  <= 0;
                        else
                                TotalZeros_LE3  <= 4;
                end
        end
        rbsp_LE3[2] : begin
                len_LE3                 <= 4;
                if (rbsp_LE3[3])
                        TotalZeros_LE3  <= 5;
                else
                        TotalZeros_LE3  <= 8;
        end
        rbsp_LE3[3] : begin
                len_LE3                 <= 5;
                if (rbsp_LE3[4])
                        TotalZeros_LE3  <= 9;
                else
                        TotalZeros_LE3  <= 10;
        end
        rbsp_LE3[4] : begin
                len_LE3                 <= 5;
                TotalZeros_LE3  <= 12;
        end
        default : begin
                len_LE3 <= 6;
                if(rbsp_LE3[5])
                        TotalZeros_LE3  <= 11;
                else
                        TotalZeros_LE3  <= 13;
        end
        endcase
end
default : begin
        len_LE3                 <= 'bx;
        TotalZeros_LE3  <= 'bx;
end
endcase
 
//---------------------------------
//TotalZeros_G3 & len_G3
//---------------------------------
always @(rbsp_G3 or TotalCoeff)
case (TotalCoeff)
4 : begin
        case(1'b1)
        rbsp_G3[0] : begin
                len_G3  <= 3;
                case(rbsp_G3[1:2])
                'b11 :  TotalZeros_G3   <= 1;
                'b10 :  TotalZeros_G3   <= 4;
                'b01 :  TotalZeros_G3   <= 5;
                'b00 :  TotalZeros_G3   <= 6;
                endcase
        end
        rbsp_G3[1] : begin
                if (rbsp_G3[2]) begin
                        TotalZeros_G3   <= 8;
                        len_G3                  <= 3;
                end
                else begin
                        len_G3                  <= 4;
                        if (rbsp_G3[3])
                                TotalZeros_G3   <= 2;
                        else
                                TotalZeros_G3   <= 3;
                end
        end
        rbsp_G3[2] : begin
                len_G3                  <= 4;
                if (rbsp_G3[3])
                        TotalZeros_G3   <= 7;
                else
                        TotalZeros_G3   <= 9;
        end
        default : begin
                len_G3  <= 5;
                case(rbsp_G3[3:4])
                'b11 :  TotalZeros_G3   <= 0;
                'b10 :  TotalZeros_G3   <= 10;
                'b01 :  TotalZeros_G3   <= 11;
                'b00 :  TotalZeros_G3   <= 12;
                endcase
        end
        endcase
end
5 :begin
        case(1'b1)
        rbsp_G3[0] : begin
                len_G3  <= 3;
                case(rbsp_G3[1:2])
                'b11 :  TotalZeros_G3   <= 3;
                'b10 :  TotalZeros_G3   <= 4;
                'b01 :  TotalZeros_G3   <= 5;
                'b00 :  TotalZeros_G3   <= 6;
                endcase
        end
        rbsp_G3[1] : begin
                if (rbsp_G3[2]) begin
                        TotalZeros_G3   <= 7;
                        len_G3                  <= 3;
                end
                else begin
                        len_G3                  <= 4;
                        if (rbsp_G3[3])
                                TotalZeros_G3   <= 0;
                        else
                                TotalZeros_G3   <= 1;
                end
        end
        rbsp_G3[2] : begin
                len_G3                  <= 4;
                if (rbsp_G3[3])
                        TotalZeros_G3   <= 2;
                else
                        TotalZeros_G3   <= 8;
        end
        rbsp_G3[3] : begin
                len_G3                  <= 4;
                TotalZeros_G3   <= 10;
        end
        default : begin
                len_G3  <= 5;
                if (rbsp_G3[4])
                        TotalZeros_G3   <= 9;
                else
                        TotalZeros_G3   <= 11;
        end
        endcase
end
6 : begin
        case(1'b1)
        rbsp_G3[0] : begin
                len_G3  <= 3;
                case(rbsp_G3[1:2])
                'b11 :  TotalZeros_G3   <= 2;
                'b10 :  TotalZeros_G3   <= 3;
                'b01 :  TotalZeros_G3   <= 4;
                'b00 :  TotalZeros_G3   <= 5;
                endcase
        end
        rbsp_G3[1] : begin
                len_G3                  <= 3;
                if (rbsp_G3[2])
                        TotalZeros_G3   <= 6;
                else
                        TotalZeros_G3   <= 7;
        end
        rbsp_G3[2] : begin
                len_G3                  <= 3;
                TotalZeros_G3   <= 9;
        end
        rbsp_G3[3] : begin
                len_G3                  <= 4;
                TotalZeros_G3   <= 8;
        end
        rbsp_G3[4] : begin
                len_G3                  <= 5;
                TotalZeros_G3   <= 1;
        end
        default : begin
                len_G3  <= 6;
                if (rbsp_G3[5])
                        TotalZeros_G3   <= 0;
                else
                        TotalZeros_G3   <= 10;
        end
        endcase
end
7 :begin
        case(1'b1)
        rbsp_G3[0] : begin
                if (rbsp_G3[1]) begin
                        TotalZeros_G3   <= 5;
                        len_G3                  <= 2;
                end
                else begin
                        len_G3                  <= 3;
                        if (rbsp_G3[2])
                                TotalZeros_G3   <= 2;
                        else
                                TotalZeros_G3   <= 3;
                end
        end
        rbsp_G3[1] : begin
                len_G3  <= 3;
                if (rbsp_G3[2])
                        TotalZeros_G3   <= 4;
                else
                        TotalZeros_G3   <= 6;
        end
        rbsp_G3[2] : begin
                len_G3                  <= 3;
                TotalZeros_G3   <= 8;
        end
        rbsp_G3[3] : begin
                len_G3                  <= 4;
                TotalZeros_G3   <= 7;
        end
        rbsp_G3[4] : begin
                len_G3                  <= 5;
                TotalZeros_G3   <= 1;
        end
        default : begin
                len_G3                  <= 6;
                if (rbsp_G3[5])
                        TotalZeros_G3   <= 0;
                else
                        TotalZeros_G3   <= 9;
        end
        endcase
end
8 :begin
        case(1'b1)
        rbsp_G3[0] : begin
                len_G3                  <= 2;
                if (rbsp_G3[1])
                        TotalZeros_G3   <= 4;
                else
                        TotalZeros_G3   <= 5;
        end
        rbsp_G3[1] : begin
                len_G3                  <= 3;
                if (rbsp_G3[2])
                        TotalZeros_G3   <= 3;
                else
                        TotalZeros_G3   <= 6;
        end
        rbsp_G3[2] : begin
                len_G3                  <= 3;
                TotalZeros_G3   <= 7;
        end
        rbsp_G3[3] : begin
                len_G3                  <= 4;
                TotalZeros_G3   <= 1;
        end
        rbsp_G3[4] : begin
                len_G3                  <= 5;
                TotalZeros_G3   <= 2;
        end
        default : begin
                len_G3                  <= 6;
                if (rbsp_G3[5])
                        TotalZeros_G3   <= 0;
                else
                        TotalZeros_G3   <= 8;
        end
        endcase
end
9 : begin
        case(1'b1)
        rbsp_G3[0] : begin
                len_G3                  <= 2;
                if (rbsp_G3[1])
                        TotalZeros_G3   <= 3;
                else
                        TotalZeros_G3   <= 4;
        end
        rbsp_G3[1] : begin
                len_G3                  <= 2;
                TotalZeros_G3   <= 6;
        end
        rbsp_G3[2] : begin
                len_G3                  <= 3;
                TotalZeros_G3   <= 5;
        end
        rbsp_G3[3] : begin
                len_G3                  <= 4;
                TotalZeros_G3   <= 2;
        end
        rbsp_G3[4] : begin
                len_G3                  <= 5;
                TotalZeros_G3   <= 7;
        end
        default : begin
                len_G3                  <= 6;
                if (rbsp_G3[5])
                        TotalZeros_G3   <= 0;
                else
                        TotalZeros_G3   <= 1;
        end
        endcase
end
10 : begin
        case(1'b1)
        rbsp_G3[0] : begin
                len_G3                  <= 2;
                if (rbsp_G3[1])
                        TotalZeros_G3   <= 3;
                else
                        TotalZeros_G3   <= 4;
        end
        rbsp_G3[1] : begin
                len_G3                  <= 2;
                TotalZeros_G3   <= 5;
        end
        rbsp_G3[2] : begin
                len_G3                  <= 3;
                TotalZeros_G3   <= 2;
        end
        rbsp_G3[3] : begin
                len_G3                  <= 4;
                TotalZeros_G3   <= 6;
        end
        default : begin
                len_G3                  <= 5;
                if (rbsp_G3[4])
                        TotalZeros_G3   <= 0;
                else
                        TotalZeros_G3   <= 1;
        end
        endcase
end
11 : begin
        case(1'b1)
        rbsp_G3[0] : begin
                len_G3                  <= 1;
                TotalZeros_G3   <= 4;
        end
        rbsp_G3[1] : begin
                len_G3                  <= 3;
                if (rbsp_G3[2])
                        TotalZeros_G3   <= 5;
                else
                        TotalZeros_G3   <= 3;
        end
        rbsp_G3[2] : begin
                len_G3                  <= 3;
                TotalZeros_G3   <= 2;
        end
        default : begin
                len_G3                  <= 4;
                if (rbsp_G3[3])
                        TotalZeros_G3   <= 1;
                else
                        TotalZeros_G3   <= 0;
        end
        endcase
end
12 : begin
        case(1'b1)
        rbsp_G3[0] : begin
                len_G3                  <= 1;
                TotalZeros_G3   <= 3;
        end
        rbsp_G3[1] : begin
                len_G3                  <= 2;
                TotalZeros_G3   <= 2;
        end
        rbsp_G3[2] : begin
                len_G3                  <= 3;
                TotalZeros_G3   <= 4;
        end
        default : begin
                len_G3                  <= 4;
                if (rbsp_G3[3])
                        TotalZeros_G3   <= 1;
                else
                        TotalZeros_G3   <= 0;
        end
        endcase
end
13      :begin
        if (rbsp_G3[0]) begin
                TotalZeros_G3   <= 2;
                len_G3                  <= 1;
        end
        else if (rbsp_G3[1]) begin
                TotalZeros_G3   <= 3;
                len_G3                  <= 2;
        end
        else if (rbsp_G3[2]) begin
                TotalZeros_G3   <= 1;
                len_G3                  <= 3;
        end
        else begin
                TotalZeros_G3   <= 0;
                len_G3                  <= 3;
        end
end
14      : begin
        if (rbsp_G3[0]) begin
                TotalZeros_G3   <= 2;
                len_G3                  <= 1;
        end
        else if (rbsp_G3[1]) begin
                TotalZeros_G3   <= 1;
                len_G3                  <= 2;
        end
        else begin
                TotalZeros_G3   <= 0;
                len_G3                  <= 2;
        end
end
15      : begin
        len_G3  <= 1;
        if (rbsp_G3[0])
                TotalZeros_G3   <= 1;
        else
                TotalZeros_G3   <= 0;
end
default : begin
        len_G3                  <= 'bx;
        TotalZeros_G3   <= 'bx;
end
endcase
 
//---------------------------------
//TotalZeros_comb & len_comb
//---------------------------------
always @(*)
if (ena && sel && chroma_DC_sel) begin
        TotalZeros_comb         <= TotalZeros_chroma_DC;
        len_comb                        <= len_chroma_DC;
end
else if (ena && sel && TotalCoeff[3:2] == 2'b00) begin
        TotalZeros_comb         <= TotalZeros_LE3;
        len_comb                        <= len_LE3;
end
else if (ena && sel)begin
        TotalZeros_comb         <= TotalZeros_G3;
        len_comb                        <= len_G3;
end
else begin
        TotalZeros_comb         <= 0;
        len_comb                        <= 0;
end
 
 
endmodule

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Subversion Repositories cavlc

[/] [cavlc/] [trunk/] [rtl/] [cavlc_read_total_zeros.v] - Blame information for rev 6

Line No.	Rev	Author	Line
1	6	qiubin	`//2011-8-14 initial version`
2
3			`include "defines.v"
4
5			`module cavlc_read_total_zeros(`
6			`ena,`
7			`sel,`
8			`chroma_DC_sel,`
9			`rbsp,`
10			`TotalCoeff,`
11			`TotalZeros_comb,`
12			`len_comb`
13			`);`
14			`//------------------------`
15			`//ports`
16			`//------------------------`
17			`input ena;`
18			`input sel;`
19			`input chroma_DC_sel;`
20			`input [0:8] rbsp;`
21			`input [3:0] TotalCoeff;`
22
23			`output [3:0] TotalZeros_comb;`
24			`output [3:0] len_comb;`
25
26			`//-------------------------`
27			`//rregs`
28			`//-------------------------`
29			`reg [3:0] TotalZeros_comb; //TotalZeros will be saved as ZeroLeft in module cavlc_read_run_befores`
30			`reg [3:0] len_comb;`
31
32
33			`//for chroma_DC`
34			`reg [0:2] rbsp_chroma_DC;`
35			`reg [1:0] TotalZeros_chroma_DC;`
36			`reg [1:0] len_chroma_DC;`
37
38			`//for TotalCoeff <= 3`
39			`reg [0:8] rbsp_LE3;`
40			`reg [3:0] TotalZeros_LE3;`
41			`reg [3:0] len_LE3;`
42
43			`//for TotalCoeff > 3`
44			`reg [0:5] rbsp_G3;`
45			`reg [3:0] TotalZeros_G3;`
46			`reg [2:0] len_G3;`
47
48
49			`//----------------------------------------`
50			`//input mux`
51			`//----------------------------------------`
52			`always @(*)`
53			`if (ena && sel && chroma_DC_sel) begin`
54			`rbsp_chroma_DC <= rbsp[0:2];`
55			`rbsp_LE3 <= 'hffff;`
56			`rbsp_G3 <= 'hffff;`
57			`end`
58			`else if (ena && sel && TotalCoeff[3:2] == 2'b00) begin`
59			`rbsp_chroma_DC <= 'hffff;`
60			`rbsp_LE3 <= rbsp[0:8];`
61			`rbsp_G3 <= 'hffff;`
62			`end`
63			`else if (ena && sel)begin`
64			`rbsp_chroma_DC <= 'hffff;`
65			`rbsp_LE3 <= 'hffff;`
66			`rbsp_G3 <= rbsp[0:5];`
67			`end`
68			`else begin`
69			`rbsp_chroma_DC <= 'hffff;`
70			`rbsp_LE3 <= 'hffff;`
71			`rbsp_G3 <= 'hffff;`
72			`end`
73
74			`//----------------------------------------`
75			`//TotalZeros_chroma_DC & len_chroma_DC`
76			`//----------------------------------------`
77			`always @(*)`
78			`if ( TotalCoeff == 1 && rbsp_chroma_DC[0] ) begin`
79			`TotalZeros_chroma_DC <= 0;`
80			`len_chroma_DC <= 1;`
81			`end`
82			`else if ( TotalCoeff == 1 && rbsp_chroma_DC[1] ) begin`
83			`TotalZeros_chroma_DC <= 1;`
84			`len_chroma_DC <= 2;`
85			`end`
86			`else if ( TotalCoeff == 1 && rbsp_chroma_DC[2] ) begin`
87			`TotalZeros_chroma_DC <= 2;`
88			`len_chroma_DC <= 3;`
89			`end`
90			`else if ( TotalCoeff == 1 ) begin`
91			`TotalZeros_chroma_DC <= 3;`
92			`len_chroma_DC <= 3;`
93			`end`
94			`else if ( TotalCoeff == 2 && rbsp_chroma_DC[0] ) begin`
95			`TotalZeros_chroma_DC <= 0;`
96			`len_chroma_DC <= 1;`
97			`end`
98			`else if ( TotalCoeff == 2 && rbsp_chroma_DC[1] ) begin`
99			`TotalZeros_chroma_DC <= 1;`
100			`len_chroma_DC <= 2;`
101			`end`
102			`else if ( TotalCoeff == 2 ) begin`
103			`TotalZeros_chroma_DC <= 2;`
104			`len_chroma_DC <= 2;`
105			`end`
106			`else if ( rbsp_chroma_DC[0] ) begin`
107			`TotalZeros_chroma_DC <= 0;`
108			`len_chroma_DC <= 1;`
109			`end`
110			`else begin`
111			`TotalZeros_chroma_DC <= 1;`
112			`len_chroma_DC <= 1;`
113			`end`
114
115
116			`//---------------------------------`
117			`//TotalZeros_LE3 & len_LE3`
118			`//---------------------------------`
119			`always @(rbsp_LE3 or TotalCoeff)`
120			`case (TotalCoeff[1:0])`
121			`1 :begin`
122			`case(1'b1)`
123			`rbsp_LE3[0] : begin`
124			`TotalZeros_LE3 <= 0;`
125			`len_LE3 <= 1;`
126			`end`
127			`rbsp_LE3[1] : begin`
128			`len_LE3 <= 3;`
129			`if (rbsp_LE3[2])`
130			`TotalZeros_LE3 <= 1;`
131			`else`
132			`TotalZeros_LE3 <= 2;`
133			`end`
134			`rbsp_LE3[2] : begin`
135			`len_LE3 <= 4;`
136			`if (rbsp_LE3[3])`
137			`TotalZeros_LE3 <= 3;`
138			`else`
139			`TotalZeros_LE3 <= 4;`
140			`end`
141			`rbsp_LE3[3] : begin`
142			`len_LE3 <= 5;`
143			`if (rbsp_LE3[4])`
144			`TotalZeros_LE3 <= 5;`
145			`else`
146			`TotalZeros_LE3 <= 6;`
147			`end`
148			`rbsp_LE3[4] : begin`
149			`len_LE3 <= 6;`
150			`if (rbsp_LE3[5])`
151			`TotalZeros_LE3 <= 7;`
152			`else`
153			`TotalZeros_LE3 <= 8;`
154			`end`
155			`rbsp_LE3[5] : begin`
156			`len_LE3 <= 7;`
157			`if (rbsp_LE3[6])`
158			`TotalZeros_LE3 <= 9;`
159			`else`
160			`TotalZeros_LE3 <= 10;`
161			`end`
162			`rbsp_LE3[6] : begin`
163			`len_LE3 <= 8;`
164			`if (rbsp_LE3[7])`
165			`TotalZeros_LE3 <= 11;`
166			`else`
167			`TotalZeros_LE3 <= 12;`
168			`end`
169			`rbsp_LE3[7] : begin`
170			`len_LE3 <= 9;`
171			`if (rbsp_LE3[8])`
172			`TotalZeros_LE3 <= 13;`
173			`else`
174			`TotalZeros_LE3 <= 14;`
175			`end`
176			`default : begin`
177			`len_LE3 <= 9;`
178			`TotalZeros_LE3 <= 15;`
179			`end`
180			`endcase`
181			`end`
182			`2 : begin`
183			`case(1'b1)`
184			`rbsp_LE3[0] : begin`
185			`len_LE3 <= 3;`
186			`case(rbsp_LE3[1:2])`
187			`'b11 : TotalZeros_LE3 <= 0;`
188			`'b10 : TotalZeros_LE3 <= 1;`
189			`'b01 : TotalZeros_LE3 <= 2;`
190			`'b00 : TotalZeros_LE3 <= 3;`
191			`endcase`
192			`end`
193			`rbsp_LE3[1] : begin`
194			`if (rbsp_LE3[2]) begin`
195			`TotalZeros_LE3 <= 4;`
196			`len_LE3 <= 3;`
197			`end`
198			`else begin`
199			`len_LE3 <= 4;`
200			`if (rbsp_LE3[3])`
201			`TotalZeros_LE3 <= 5;`
202			`else`
203			`TotalZeros_LE3 <= 6;`
204			`end`
205			`end`
206			`rbsp_LE3[2] : begin`
207			`len_LE3 <= 4;`
208			`if (rbsp_LE3[3])`
209			`TotalZeros_LE3 <= 7;`
210			`else`
211			`TotalZeros_LE3 <= 8;`
212			`end`
213			`rbsp_LE3[3] : begin`
214			`len_LE3 <= 5;`
215			`if (rbsp_LE3[4])`
216			`TotalZeros_LE3 <= 9;`
217			`else`
218			`TotalZeros_LE3 <= 10;`
219			`end`
220			`default : begin`
221			`len_LE3 <= 6;`
222			`case(rbsp_LE3[4:5])`
223			`'b11 : TotalZeros_LE3 <= 11;`
224			`'b10 : TotalZeros_LE3 <= 12;`
225			`'b01 : TotalZeros_LE3 <= 13;`
226			`'b00 : TotalZeros_LE3 <= 14;`
227			`endcase`
228			`end`
229			`endcase`
230			`end`
231			`3 : begin`
232			`case(1'b1)`
233			`rbsp_LE3[0] : begin`
234			`len_LE3 <= 3;`
235			`case(rbsp_LE3[1:2])`
236			`'b11 : TotalZeros_LE3 <= 1;`
237			`'b10 : TotalZeros_LE3 <= 2;`
238			`'b01 : TotalZeros_LE3 <= 3;`
239			`'b00 : TotalZeros_LE3 <= 6;`
240			`endcase`
241			`end`
242			`rbsp_LE3[1] : begin`
243			`if (rbsp_LE3[2]) begin`
244			`TotalZeros_LE3 <= 7;`
245			`len_LE3 <= 3;`
246			`end`
247			`else begin`
248			`len_LE3 <= 4;`
249			`if (rbsp_LE3[3])`
250			`TotalZeros_LE3 <= 0;`
251			`else`
252			`TotalZeros_LE3 <= 4;`
253			`end`
254			`end`
255			`rbsp_LE3[2] : begin`
256			`len_LE3 <= 4;`
257			`if (rbsp_LE3[3])`
258			`TotalZeros_LE3 <= 5;`
259			`else`
260			`TotalZeros_LE3 <= 8;`
261			`end`
262			`rbsp_LE3[3] : begin`
263			`len_LE3 <= 5;`
264			`if (rbsp_LE3[4])`
265			`TotalZeros_LE3 <= 9;`
266			`else`
267			`TotalZeros_LE3 <= 10;`
268			`end`
269			`rbsp_LE3[4] : begin`
270			`len_LE3 <= 5;`
271			`TotalZeros_LE3 <= 12;`
272			`end`
273			`default : begin`
274			`len_LE3 <= 6;`
275			`if(rbsp_LE3[5])`
276			`TotalZeros_LE3 <= 11;`
277			`else`
278			`TotalZeros_LE3 <= 13;`
279			`end`
280			`endcase`
281			`end`
282			`default : begin`
283			`len_LE3 <= 'bx;`
284			`TotalZeros_LE3 <= 'bx;`
285			`end`
286			`endcase`
287
288			`//---------------------------------`
289			`//TotalZeros_G3 & len_G3`
290			`//---------------------------------`
291			`always @(rbsp_G3 or TotalCoeff)`
292			`case (TotalCoeff)`
293			`4 : begin`
294			`case(1'b1)`
295			`rbsp_G3[0] : begin`
296			`len_G3 <= 3;`
297			`case(rbsp_G3[1:2])`
298			`'b11 : TotalZeros_G3 <= 1;`
299			`'b10 : TotalZeros_G3 <= 4;`
300			`'b01 : TotalZeros_G3 <= 5;`
301			`'b00 : TotalZeros_G3 <= 6;`
302			`endcase`
303			`end`
304			`rbsp_G3[1] : begin`
305			`if (rbsp_G3[2]) begin`
306			`TotalZeros_G3 <= 8;`
307			`len_G3 <= 3;`
308			`end`
309			`else begin`
310			`len_G3 <= 4;`
311			`if (rbsp_G3[3])`
312			`TotalZeros_G3 <= 2;`
313			`else`
314			`TotalZeros_G3 <= 3;`
315			`end`
316			`end`
317			`rbsp_G3[2] : begin`
318			`len_G3 <= 4;`
319			`if (rbsp_G3[3])`
320			`TotalZeros_G3 <= 7;`
321			`else`
322			`TotalZeros_G3 <= 9;`
323			`end`
324			`default : begin`
325			`len_G3 <= 5;`
326			`case(rbsp_G3[3:4])`
327			`'b11 : TotalZeros_G3 <= 0;`
328			`'b10 : TotalZeros_G3 <= 10;`
329			`'b01 : TotalZeros_G3 <= 11;`
330			`'b00 : TotalZeros_G3 <= 12;`
331			`endcase`
332			`end`
333			`endcase`
334			`end`
335			`5 :begin`
336			`case(1'b1)`
337			`rbsp_G3[0] : begin`
338			`len_G3 <= 3;`
339			`case(rbsp_G3[1:2])`
340			`'b11 : TotalZeros_G3 <= 3;`
341			`'b10 : TotalZeros_G3 <= 4;`
342			`'b01 : TotalZeros_G3 <= 5;`
343			`'b00 : TotalZeros_G3 <= 6;`
344			`endcase`
345			`end`
346			`rbsp_G3[1] : begin`
347			`if (rbsp_G3[2]) begin`
348			`TotalZeros_G3 <= 7;`
349			`len_G3 <= 3;`
350			`end`
351			`else begin`
352			`len_G3 <= 4;`
353			`if (rbsp_G3[3])`
354			`TotalZeros_G3 <= 0;`
355			`else`
356			`TotalZeros_G3 <= 1;`
357			`end`
358			`end`
359			`rbsp_G3[2] : begin`
360			`len_G3 <= 4;`
361			`if (rbsp_G3[3])`
362			`TotalZeros_G3 <= 2;`
363			`else`
364			`TotalZeros_G3 <= 8;`
365			`end`
366			`rbsp_G3[3] : begin`
367			`len_G3 <= 4;`
368			`TotalZeros_G3 <= 10;`
369			`end`
370			`default : begin`
371			`len_G3 <= 5;`
372			`if (rbsp_G3[4])`
373			`TotalZeros_G3 <= 9;`
374			`else`
375			`TotalZeros_G3 <= 11;`
376			`end`
377			`endcase`
378			`end`
379			`6 : begin`
380			`case(1'b1)`
381			`rbsp_G3[0] : begin`
382			`len_G3 <= 3;`
383			`case(rbsp_G3[1:2])`
384			`'b11 : TotalZeros_G3 <= 2;`
385			`'b10 : TotalZeros_G3 <= 3;`
386			`'b01 : TotalZeros_G3 <= 4;`
387			`'b00 : TotalZeros_G3 <= 5;`
388			`endcase`
389			`end`
390			`rbsp_G3[1] : begin`
391			`len_G3 <= 3;`
392			`if (rbsp_G3[2])`
393			`TotalZeros_G3 <= 6;`
394			`else`
395			`TotalZeros_G3 <= 7;`
396			`end`
397			`rbsp_G3[2] : begin`
398			`len_G3 <= 3;`
399			`TotalZeros_G3 <= 9;`
400			`end`
401			`rbsp_G3[3] : begin`
402			`len_G3 <= 4;`
403			`TotalZeros_G3 <= 8;`
404			`end`
405			`rbsp_G3[4] : begin`
406			`len_G3 <= 5;`
407			`TotalZeros_G3 <= 1;`
408			`end`
409			`default : begin`
410			`len_G3 <= 6;`
411			`if (rbsp_G3[5])`
412			`TotalZeros_G3 <= 0;`
413			`else`
414			`TotalZeros_G3 <= 10;`
415			`end`
416			`endcase`
417			`end`
418			`7 :begin`
419			`case(1'b1)`
420			`rbsp_G3[0] : begin`
421			`if (rbsp_G3[1]) begin`
422			`TotalZeros_G3 <= 5;`
423			`len_G3 <= 2;`
424			`end`
425			`else begin`
426			`len_G3 <= 3;`
427			`if (rbsp_G3[2])`
428			`TotalZeros_G3 <= 2;`
429			`else`
430			`TotalZeros_G3 <= 3;`
431			`end`
432			`end`
433			`rbsp_G3[1] : begin`
434			`len_G3 <= 3;`
435			`if (rbsp_G3[2])`
436			`TotalZeros_G3 <= 4;`
437			`else`
438			`TotalZeros_G3 <= 6;`
439			`end`
440			`rbsp_G3[2] : begin`
441			`len_G3 <= 3;`
442			`TotalZeros_G3 <= 8;`
443			`end`
444			`rbsp_G3[3] : begin`
445			`len_G3 <= 4;`
446			`TotalZeros_G3 <= 7;`
447			`end`
448			`rbsp_G3[4] : begin`
449			`len_G3 <= 5;`
450			`TotalZeros_G3 <= 1;`
451			`end`
452			`default : begin`
453			`len_G3 <= 6;`
454			`if (rbsp_G3[5])`
455			`TotalZeros_G3 <= 0;`
456			`else`
457			`TotalZeros_G3 <= 9;`
458			`end`
459			`endcase`
460			`end`
461			`8 :begin`
462			`case(1'b1)`
463			`rbsp_G3[0] : begin`
464			`len_G3 <= 2;`
465			`if (rbsp_G3[1])`
466			`TotalZeros_G3 <= 4;`
467			`else`
468			`TotalZeros_G3 <= 5;`
469			`end`
470			`rbsp_G3[1] : begin`
471			`len_G3 <= 3;`
472			`if (rbsp_G3[2])`
473			`TotalZeros_G3 <= 3;`
474			`else`
475			`TotalZeros_G3 <= 6;`
476			`end`
477			`rbsp_G3[2] : begin`
478			`len_G3 <= 3;`
479			`TotalZeros_G3 <= 7;`
480			`end`
481			`rbsp_G3[3] : begin`
482			`len_G3 <= 4;`
483			`TotalZeros_G3 <= 1;`
484			`end`
485			`rbsp_G3[4] : begin`
486			`len_G3 <= 5;`
487			`TotalZeros_G3 <= 2;`
488			`end`
489			`default : begin`
490			`len_G3 <= 6;`
491			`if (rbsp_G3[5])`
492			`TotalZeros_G3 <= 0;`
493			`else`
494			`TotalZeros_G3 <= 8;`
495			`end`
496			`endcase`
497			`end`
498			`9 : begin`
499			`case(1'b1)`
500			`rbsp_G3[0] : begin`
501			`len_G3 <= 2;`
502			`if (rbsp_G3[1])`
503			`TotalZeros_G3 <= 3;`
504			`else`
505			`TotalZeros_G3 <= 4;`
506			`end`
507			`rbsp_G3[1] : begin`
508			`len_G3 <= 2;`
509			`TotalZeros_G3 <= 6;`
510			`end`
511			`rbsp_G3[2] : begin`
512			`len_G3 <= 3;`
513			`TotalZeros_G3 <= 5;`
514			`end`
515			`rbsp_G3[3] : begin`
516			`len_G3 <= 4;`
517			`TotalZeros_G3 <= 2;`
518			`end`
519			`rbsp_G3[4] : begin`
520			`len_G3 <= 5;`
521			`TotalZeros_G3 <= 7;`
522			`end`
523			`default : begin`
524			`len_G3 <= 6;`
525			`if (rbsp_G3[5])`
526			`TotalZeros_G3 <= 0;`
527			`else`
528			`TotalZeros_G3 <= 1;`
529			`end`
530			`endcase`
531			`end`
532			`10 : begin`
533			`case(1'b1)`
534			`rbsp_G3[0] : begin`
535			`len_G3 <= 2;`
536			`if (rbsp_G3[1])`
537			`TotalZeros_G3 <= 3;`
538			`else`
539			`TotalZeros_G3 <= 4;`
540			`end`
541			`rbsp_G3[1] : begin`
542			`len_G3 <= 2;`
543			`TotalZeros_G3 <= 5;`
544			`end`
545			`rbsp_G3[2] : begin`
546			`len_G3 <= 3;`
547			`TotalZeros_G3 <= 2;`
548			`end`
549			`rbsp_G3[3] : begin`
550			`len_G3 <= 4;`
551			`TotalZeros_G3 <= 6;`
552			`end`
553			`default : begin`
554			`len_G3 <= 5;`
555			`if (rbsp_G3[4])`
556			`TotalZeros_G3 <= 0;`
557			`else`
558			`TotalZeros_G3 <= 1;`
559			`end`
560			`endcase`
561			`end`
562			`11 : begin`
563			`case(1'b1)`
564			`rbsp_G3[0] : begin`
565			`len_G3 <= 1;`
566			`TotalZeros_G3 <= 4;`
567			`end`
568			`rbsp_G3[1] : begin`
569			`len_G3 <= 3;`
570			`if (rbsp_G3[2])`
571			`TotalZeros_G3 <= 5;`
572			`else`
573			`TotalZeros_G3 <= 3;`
574			`end`
575			`rbsp_G3[2] : begin`
576			`len_G3 <= 3;`
577			`TotalZeros_G3 <= 2;`
578			`end`
579			`default : begin`
580			`len_G3 <= 4;`
581			`if (rbsp_G3[3])`
582			`TotalZeros_G3 <= 1;`
583			`else`
584			`TotalZeros_G3 <= 0;`
585			`end`
586			`endcase`
587			`end`
588			`12 : begin`
589			`case(1'b1)`
590			`rbsp_G3[0] : begin`
591			`len_G3 <= 1;`
592			`TotalZeros_G3 <= 3;`
593			`end`
594			`rbsp_G3[1] : begin`
595			`len_G3 <= 2;`
596			`TotalZeros_G3 <= 2;`
597			`end`
598			`rbsp_G3[2] : begin`
599			`len_G3 <= 3;`
600			`TotalZeros_G3 <= 4;`
601			`end`
602			`default : begin`
603			`len_G3 <= 4;`
604			`if (rbsp_G3[3])`
605			`TotalZeros_G3 <= 1;`
606			`else`
607			`TotalZeros_G3 <= 0;`
608			`end`
609			`endcase`
610			`end`
611			`13 :begin`
612			`if (rbsp_G3[0]) begin`
613			`TotalZeros_G3 <= 2;`
614			`len_G3 <= 1;`
615			`end`
616			`else if (rbsp_G3[1]) begin`
617			`TotalZeros_G3 <= 3;`
618			`len_G3 <= 2;`
619			`end`
620			`else if (rbsp_G3[2]) begin`
621			`TotalZeros_G3 <= 1;`
622			`len_G3 <= 3;`
623			`end`
624			`else begin`
625			`TotalZeros_G3 <= 0;`
626			`len_G3 <= 3;`
627			`end`
628			`end`
629			`14 : begin`
630			`if (rbsp_G3[0]) begin`
631			`TotalZeros_G3 <= 2;`
632			`len_G3 <= 1;`
633			`end`
634			`else if (rbsp_G3[1]) begin`
635			`TotalZeros_G3 <= 1;`
636			`len_G3 <= 2;`
637			`end`
638			`else begin`
639			`TotalZeros_G3 <= 0;`
640			`len_G3 <= 2;`
641			`end`
642			`end`
643			`15 : begin`
644			`len_G3 <= 1;`
645			`if (rbsp_G3[0])`
646			`TotalZeros_G3 <= 1;`
647			`else`
648			`TotalZeros_G3 <= 0;`
649			`end`
650			`default : begin`
651			`len_G3 <= 'bx;`
652			`TotalZeros_G3 <= 'bx;`
653			`end`
654			`endcase`
655
656			`//---------------------------------`
657			`//TotalZeros_comb & len_comb`
658			`//---------------------------------`
659			`always @(*)`
660			`if (ena && sel && chroma_DC_sel) begin`
661			`TotalZeros_comb <= TotalZeros_chroma_DC;`
662			`len_comb <= len_chroma_DC;`
663			`end`
664			`else if (ena && sel && TotalCoeff[3:2] == 2'b00) begin`
665			`TotalZeros_comb <= TotalZeros_LE3;`
666			`len_comb <= len_LE3;`
667			`end`
668			`else if (ena && sel)begin`
669			`TotalZeros_comb <= TotalZeros_G3;`
670			`len_comb <= len_G3;`
671			`end`
672			`else begin`
673			`TotalZeros_comb <= 0;`
674			`len_comb <= 0;`
675			`end`
676
677
678			`endmodule`