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eexuke |
//--------------------------------------------------------------------------------------------------
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// Design : nova
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// Author(s) : Ke Xu
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// Email : eexuke@yahoo.com
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// File : cavlc_decoder.v
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// Generated : June 12,2005
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// Copyright (C) 2008 Ke Xu
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//-------------------------------------------------------------------------------------------------
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// Description
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// cavlc_decoder top module
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//-------------------------------------------------------------------------------------------------
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// synopsys translate_off
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`include "timescale.v"
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// synopsys translate_on
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`include "nova_defines.v"
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module cavlc_decoder (clk,reset_n,gclk_end_of_MB_DEC,
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gclk_LumaLevel_mbAddrB_RF,gclk_ChromaLevel_Cb_mbAddrB_RF,gclk_ChromaLevel_Cr_mbAddrB_RF,
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slice_data_state,residual_state,cavlc_decoder_state,mb_num_h,mb_num_v,i8x8,i4x4,i4x4_CbCr,
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i_level,i_run,i_TotalCoeff,coeffNum,
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heading_one_pos,BitStream_buffer_output,
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CodedBlockPatternLuma,CodedBlockPatternChroma,suffix_length_initialized,IsRunLoop,
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Luma_8x8_AllZeroCoeff_mbAddrA,LumaLevel_mbAddrA,LumaLevel_CurrMb0,LumaLevel_CurrMb1,LumaLevel_CurrMb2,LumaLevel_CurrMb3,
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LumaLevel_mbAddrB_dout,LumaLevel_mbAddrB_cs_n,ChromaLevel_Cb_mbAddrB_cs_n,ChromaLevel_Cr_mbAddrB_cs_n,
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end_of_one_residual_block,end_of_NonZeroCoeff_CAVLC,
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cavlc_consumed_bits_len,TotalCoeff,TrailingOnes,maxNumCoeff,zerosLeft,run,
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coeffLevel_0,coeffLevel_1,coeffLevel_2, coeffLevel_3, coeffLevel_4, coeffLevel_5, coeffLevel_6, coeffLevel_7,
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coeffLevel_8,coeffLevel_9,coeffLevel_10,coeffLevel_11,coeffLevel_12,coeffLevel_13,coeffLevel_14,coeffLevel_15);
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input clk,reset_n;
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input gclk_end_of_MB_DEC;
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input gclk_LumaLevel_mbAddrB_RF;
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input gclk_ChromaLevel_Cb_mbAddrB_RF;
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input gclk_ChromaLevel_Cr_mbAddrB_RF;
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input [3:0] slice_data_state;
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input [3:0] residual_state;
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input [3:0] cavlc_decoder_state;
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input [3:0] mb_num_h;
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input [3:0] mb_num_v;
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input [1:0] i8x8;
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input [1:0] i4x4;
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input [1:0] i4x4_CbCr;
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input [3:0] i_level;
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input [3:0] i_run;
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input [3:0] i_TotalCoeff;
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input [3:0] coeffNum;
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input [3:0] heading_one_pos;
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input [15:0] BitStream_buffer_output;
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input [3:0] CodedBlockPatternLuma;
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input [1:0] CodedBlockPatternChroma;
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input suffix_length_initialized;
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input IsRunLoop;
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output [1:0] Luma_8x8_AllZeroCoeff_mbAddrA;
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output [19:0] LumaLevel_mbAddrA;
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output [19:0] LumaLevel_CurrMb0,LumaLevel_CurrMb1,LumaLevel_CurrMb2,LumaLevel_CurrMb3;
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output [19:0] LumaLevel_mbAddrB_dout;
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output LumaLevel_mbAddrB_cs_n;
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output ChromaLevel_Cb_mbAddrB_cs_n;
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output ChromaLevel_Cr_mbAddrB_cs_n;
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output end_of_one_residual_block;
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output end_of_NonZeroCoeff_CAVLC;
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output [4:0] cavlc_consumed_bits_len;
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output [4:0] TotalCoeff;
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output [1:0] TrailingOnes;
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output [4:0] maxNumCoeff;
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output [3:0] zerosLeft;
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output [3:0] run;
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output [8:0] coeffLevel_0, coeffLevel_1, coeffLevel_2,coeffLevel_3, coeffLevel_4, coeffLevel_5, coeffLevel_6;
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output [8:0] coeffLevel_7, coeffLevel_8, coeffLevel_9,coeffLevel_10,coeffLevel_11,coeffLevel_12,coeffLevel_13;
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output [8:0] coeffLevel_14,coeffLevel_15;
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wire LumaLevel_mbAddrB_cs_n,LumaLevel_mbAddrB_wr_n;
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wire [3:0] LumaLevel_mbAddrB_rd_addr,LumaLevel_mbAddrB_wr_addr;
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wire [19:0] LumaLevel_mbAddrB_din;
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wire [19:0] LumaLevel_mbAddrB_dout;
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wire ChromaLevel_Cb_mbAddrB_cs_n,ChromaLevel_Cb_mbAddrB_wr_n;
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wire [3:0] ChromaLevel_Cb_mbAddrB_rd_addr,ChromaLevel_Cb_mbAddrB_wr_addr;
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wire [9:0] ChromaLevel_Cb_mbAddrB_din;
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wire [9:0] ChromaLevel_Cb_mbAddrB_dout;
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wire ChromaLevel_Cr_mbAddrB_cs_n,ChromaLevel_Cr_mbAddrB_wr_n;
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wire [3:0] ChromaLevel_Cr_mbAddrB_rd_addr,ChromaLevel_Cr_mbAddrB_wr_addr;
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wire [9:0] ChromaLevel_Cr_mbAddrB_din;
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wire [9:0] ChromaLevel_Cr_mbAddrB_dout;
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wire [4:0] nC;
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wire [4:0] NumCoeffTrailingOnes_len;
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wire [3:0] levelSuffixSize;
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wire [8:0] level_0,level_1,level_2, level_3, level_4, level_5, level_6, level_7;
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wire [8:0] level_8,level_9,level_10,level_11,level_12,level_13,level_14,level_15;
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wire [3:0] total_zeros;
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wire [3:0] total_zeros_len;
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wire [3:0] run_of_zeros_len;
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nC_decoding nC_decoding (
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.clk(clk),
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.reset_n(reset_n),
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.gclk_end_of_MB_DEC(gclk_end_of_MB_DEC),
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.cavlc_decoder_state(cavlc_decoder_state),
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.residual_state(residual_state),
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.slice_data_state(slice_data_state),
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.mb_num_h(mb_num_h),
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.mb_num_v(mb_num_v),
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.i8x8(i8x8),
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.i4x4(i4x4),
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.i4x4_CbCr(i4x4_CbCr),
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.CodedBlockPatternLuma(CodedBlockPatternLuma),
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.CodedBlockPatternChroma(CodedBlockPatternChroma),
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.LumaLevel_mbAddrB_dout(LumaLevel_mbAddrB_dout),
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.ChromaLevel_Cb_mbAddrB_dout(ChromaLevel_Cb_mbAddrB_dout),
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.ChromaLevel_Cr_mbAddrB_dout(ChromaLevel_Cr_mbAddrB_dout),
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.end_of_one_residual_block(end_of_one_residual_block),
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.TotalCoeff(TotalCoeff),
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.nC(nC),
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.Luma_8x8_AllZeroCoeff_mbAddrA(Luma_8x8_AllZeroCoeff_mbAddrA),
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.LumaLevel_mbAddrA(LumaLevel_mbAddrA),
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.LumaLevel_CurrMb0(LumaLevel_CurrMb0),
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.LumaLevel_CurrMb1(LumaLevel_CurrMb1),
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.LumaLevel_CurrMb2(LumaLevel_CurrMb2),
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.LumaLevel_CurrMb3(LumaLevel_CurrMb3),
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.LumaLevel_mbAddrB_cs_n(LumaLevel_mbAddrB_cs_n),
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.LumaLevel_mbAddrB_wr_n(LumaLevel_mbAddrB_wr_n),
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.LumaLevel_mbAddrB_rd_addr(LumaLevel_mbAddrB_rd_addr),
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.LumaLevel_mbAddrB_wr_addr(LumaLevel_mbAddrB_wr_addr),
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.LumaLevel_mbAddrB_din(LumaLevel_mbAddrB_din),
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.ChromaLevel_Cb_mbAddrB_cs_n(ChromaLevel_Cb_mbAddrB_cs_n),
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.ChromaLevel_Cb_mbAddrB_wr_n(ChromaLevel_Cb_mbAddrB_wr_n),
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.ChromaLevel_Cb_mbAddrB_rd_addr(ChromaLevel_Cb_mbAddrB_rd_addr),
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.ChromaLevel_Cb_mbAddrB_wr_addr(ChromaLevel_Cb_mbAddrB_wr_addr),
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.ChromaLevel_Cb_mbAddrB_din(ChromaLevel_Cb_mbAddrB_din),
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.ChromaLevel_Cr_mbAddrB_cs_n(ChromaLevel_Cr_mbAddrB_cs_n),
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.ChromaLevel_Cr_mbAddrB_wr_n(ChromaLevel_Cr_mbAddrB_wr_n),
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.ChromaLevel_Cr_mbAddrB_rd_addr(ChromaLevel_Cr_mbAddrB_rd_addr),
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.ChromaLevel_Cr_mbAddrB_wr_addr(ChromaLevel_Cr_mbAddrB_wr_addr),
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.ChromaLevel_Cr_mbAddrB_din(ChromaLevel_Cr_mbAddrB_din)
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);
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ram_async_1r_sync_1w # (`LumaLevel_mbAddrB_RF_data_width,`LumaLevel_mbAddrB_RF_data_depth)
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LumaLevel_mbAddrB_RF(
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.clk(gclk_LumaLevel_mbAddrB_RF),
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.rst_n(reset_n),
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.cs_n(LumaLevel_mbAddrB_cs_n),
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.wr_n(LumaLevel_mbAddrB_wr_n),
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.rd_addr(LumaLevel_mbAddrB_rd_addr),
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.wr_addr(LumaLevel_mbAddrB_wr_addr),
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.data_in(LumaLevel_mbAddrB_din),
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.data_out(LumaLevel_mbAddrB_dout)
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);
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ram_async_1r_sync_1w # (`ChromaLevel_Cb_mbAddrB_RF_data_width,`ChromaLevel_Cb_mbAddrB_RF_data_depth)
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ChromaLevel_Cb_mbAddrB_RF(
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.clk(gclk_ChromaLevel_Cb_mbAddrB_RF),
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.rst_n(reset_n),
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.cs_n(ChromaLevel_Cb_mbAddrB_cs_n),
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.wr_n(ChromaLevel_Cb_mbAddrB_wr_n),
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.rd_addr(ChromaLevel_Cb_mbAddrB_rd_addr),
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.wr_addr(ChromaLevel_Cb_mbAddrB_wr_addr),
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.data_in(ChromaLevel_Cb_mbAddrB_din),
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.data_out(ChromaLevel_Cb_mbAddrB_dout)
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);
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ram_async_1r_sync_1w # (`ChromaLevel_Cr_mbAddrB_RF_data_width,`ChromaLevel_Cr_mbAddrB_RF_data_depth)
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ChromaLevel_Cr_mbAddrB_RF(
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.clk(gclk_ChromaLevel_Cr_mbAddrB_RF),
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.rst_n(reset_n),
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.cs_n(ChromaLevel_Cr_mbAddrB_cs_n),
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.wr_n(ChromaLevel_Cr_mbAddrB_wr_n),
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.rd_addr(ChromaLevel_Cr_mbAddrB_rd_addr),
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.wr_addr(ChromaLevel_Cr_mbAddrB_wr_addr),
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.data_in(ChromaLevel_Cr_mbAddrB_din),
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.data_out(ChromaLevel_Cr_mbAddrB_dout)
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);
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NumCoeffTrailingOnes_decoding NumCoeffTrailingOnes_decoding(
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.clk(clk),
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.reset_n(reset_n),
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.cavlc_decoder_state(cavlc_decoder_state),
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.heading_one_pos(heading_one_pos),
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.BitStream_buffer_output(BitStream_buffer_output),
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.nC(nC),
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.TrailingOnes(TrailingOnes),
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.TotalCoeff(TotalCoeff),
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.NumCoeffTrailingOnes_len(NumCoeffTrailingOnes_len)
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);
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level_decoding level_decoding(
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.clk(clk),
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.reset_n(reset_n),
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.cavlc_decoder_state(cavlc_decoder_state),
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.heading_one_pos(heading_one_pos),
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.suffix_length_initialized(suffix_length_initialized),
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.i_level(i_level),
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.TotalCoeff(TotalCoeff),
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.TrailingOnes(TrailingOnes),
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.BitStream_buffer_output(BitStream_buffer_output),
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.levelSuffixSize(levelSuffixSize),
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.level_0(level_0),
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.level_1(level_1),
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.level_2(level_2),
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.level_3(level_3),
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.level_4(level_4),
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.level_5(level_5),
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.level_6(level_6),
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.level_7(level_7),
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.level_8(level_8),
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.level_9(level_9),
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.level_10(level_10),
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.level_11(level_11),
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.level_12(level_12),
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.level_13(level_13),
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.level_14(level_14),
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.level_15(level_15)
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);
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total_zeros_decoding total_zeros_decoding(
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.clk(clk),
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.reset_n(reset_n),
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.residual_state(residual_state),
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.cavlc_decoder_state(cavlc_decoder_state),
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.TotalCoeff_3to0(TotalCoeff[3:0]),
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.heading_one_pos(heading_one_pos),
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.BitStream_buffer_output(BitStream_buffer_output),
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.maxNumCoeff(maxNumCoeff),
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.total_zeros(total_zeros),
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.total_zeros_len(total_zeros_len)
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);
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run_decoding run_decoding(
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.clk(clk),
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.reset_n(reset_n),
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.cavlc_decoder_state(cavlc_decoder_state),
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.BitStream_buffer_output(BitStream_buffer_output),
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.total_zeros(total_zeros),
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.level_0(level_0),
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.level_1(level_1),
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.level_2(level_2),
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.level_3(level_3),
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.level_4(level_4),
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.level_5(level_5),
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.level_6(level_6),
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.level_7(level_7),
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.level_8(level_8),
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.level_9(level_9),
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.level_10(level_10),
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.level_11(level_11),
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.level_12(level_12),
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.level_13(level_13),
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.level_14(level_14),
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.level_15(level_15),
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.TotalCoeff(TotalCoeff),
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.i_run(i_run),
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.i_TotalCoeff(i_TotalCoeff),
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.coeffNum(coeffNum),
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.IsRunLoop(IsRunLoop),
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.run_of_zeros_len(run_of_zeros_len),
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.zerosLeft(zerosLeft),
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.run(run),
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.coeffLevel_0(coeffLevel_0),
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.coeffLevel_1(coeffLevel_1),
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.coeffLevel_2(coeffLevel_2),
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.coeffLevel_3(coeffLevel_3),
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.coeffLevel_4(coeffLevel_4),
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.coeffLevel_5(coeffLevel_5),
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.coeffLevel_6(coeffLevel_6),
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.coeffLevel_7(coeffLevel_7),
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.coeffLevel_8(coeffLevel_8),
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.coeffLevel_9(coeffLevel_9),
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.coeffLevel_10(coeffLevel_10),
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.coeffLevel_11(coeffLevel_11),
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.coeffLevel_12(coeffLevel_12),
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.coeffLevel_13(coeffLevel_13),
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.coeffLevel_14(coeffLevel_14),
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.coeffLevel_15(coeffLevel_15)
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);
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end_of_blk_decoding end_of_blk_decoding(
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.reset_n(reset_n),
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.cavlc_decoder_state(cavlc_decoder_state),
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273 |
|
|
.TotalCoeff(TotalCoeff),
|
274 |
|
|
.i_TotalCoeff(i_TotalCoeff),
|
275 |
|
|
.end_of_one_residual_block(end_of_one_residual_block),
|
276 |
|
|
.end_of_NonZeroCoeff_CAVLC(end_of_NonZeroCoeff_CAVLC)
|
277 |
|
|
);
|
278 |
|
|
cavlc_consumed_bits_decoding cavlc_consumed_bits_decoding(
|
279 |
|
|
.cavlc_decoder_state(cavlc_decoder_state),
|
280 |
|
|
.NumCoeffTrailingOnes_len(NumCoeffTrailingOnes_len),
|
281 |
|
|
.TrailingOnes(TrailingOnes),
|
282 |
|
|
.heading_one_pos(heading_one_pos),
|
283 |
|
|
.levelSuffixSize(levelSuffixSize),
|
284 |
|
|
.total_zeros_len(total_zeros_len),
|
285 |
|
|
.run_of_zeros_len(run_of_zeros_len),
|
286 |
|
|
.cavlc_consumed_bits_len(cavlc_consumed_bits_len)
|
287 |
|
|
);
|
288 |
|
|
endmodule
|