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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 : Intra_pred_PE.v
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// Generated : Sep 19, 2005
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// Copyright (C) 2008 Ke Xu
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//-------------------------------------------------------------------------------------------------
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// Description
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// Processing Element for Intra prediction,PE0 ~ PE3
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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 Intra_pred_PE (clk,reset_n,mb_type_general,blk4x4_rec_counter,blk4x4_intra_calculate_counter,
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Intra4x4_predmode,Intra16x16_predmode,Intra_chroma_predmode,
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blkAddrA_availability,blkAddrB_availability,mbAddrA_availability,mbAddrB_availability,
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Intra_mbAddrA_window0,Intra_mbAddrA_window1,Intra_mbAddrA_window2,Intra_mbAddrA_window3,
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Intra_mbAddrB_window0,Intra_mbAddrB_window1,Intra_mbAddrB_window2,Intra_mbAddrB_window3,
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Intra_mbAddrC_window0,Intra_mbAddrC_window1,Intra_mbAddrC_window2,Intra_mbAddrC_window3,
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Intra_mbAddrD_window,
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Intra_mbAddrA_reg0, Intra_mbAddrA_reg1, Intra_mbAddrA_reg2, Intra_mbAddrA_reg3,
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Intra_mbAddrA_reg4, Intra_mbAddrA_reg5, Intra_mbAddrA_reg6, Intra_mbAddrA_reg7,
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Intra_mbAddrA_reg8, Intra_mbAddrA_reg9, Intra_mbAddrA_reg10,Intra_mbAddrA_reg11,
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Intra_mbAddrA_reg12,Intra_mbAddrA_reg13,Intra_mbAddrA_reg14,Intra_mbAddrA_reg15,
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Intra_mbAddrB_reg0, Intra_mbAddrB_reg1, Intra_mbAddrB_reg2, Intra_mbAddrB_reg3,
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Intra_mbAddrB_reg4, Intra_mbAddrB_reg5, Intra_mbAddrB_reg6, Intra_mbAddrB_reg7,
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Intra_mbAddrB_reg8, Intra_mbAddrB_reg9, Intra_mbAddrB_reg10,Intra_mbAddrB_reg11,
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Intra_mbAddrB_reg12,Intra_mbAddrB_reg13,Intra_mbAddrB_reg14,Intra_mbAddrB_reg15,
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blk4x4_pred_output0, blk4x4_pred_output1, blk4x4_pred_output2,
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blk4x4_pred_output4, blk4x4_pred_output5, blk4x4_pred_output6,
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blk4x4_pred_output8, blk4x4_pred_output9, blk4x4_pred_output10,
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blk4x4_pred_output12,blk4x4_pred_output13,blk4x4_pred_output14,
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seed,b,c,
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PE0_out,PE1_out,PE2_out,PE3_out,PE0_sum_out,PE3_sum_out);
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input clk,reset_n;
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input [3:0] mb_type_general;
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input [4:0] blk4x4_rec_counter;
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input [2:0] blk4x4_intra_calculate_counter;
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input [3:0] Intra4x4_predmode;
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input [1:0] Intra16x16_predmode;
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input [1:0] Intra_chroma_predmode;
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input blkAddrA_availability;
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input blkAddrB_availability;
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input mbAddrA_availability;
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input mbAddrB_availability;
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input [15:0] Intra_mbAddrA_window0,Intra_mbAddrA_window1,Intra_mbAddrA_window2,Intra_mbAddrA_window3;
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input [15:0] Intra_mbAddrB_window0,Intra_mbAddrB_window1,Intra_mbAddrB_window2,Intra_mbAddrB_window3;
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input [15:0] Intra_mbAddrC_window0,Intra_mbAddrC_window1,Intra_mbAddrC_window2,Intra_mbAddrC_window3;
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input [15:0] Intra_mbAddrD_window;
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input [15:0] Intra_mbAddrA_reg0, Intra_mbAddrA_reg1, Intra_mbAddrA_reg2, Intra_mbAddrA_reg3;
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input [15:0] Intra_mbAddrA_reg4, Intra_mbAddrA_reg5, Intra_mbAddrA_reg6, Intra_mbAddrA_reg7;
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input [15:0] Intra_mbAddrA_reg8, Intra_mbAddrA_reg9, Intra_mbAddrA_reg10,Intra_mbAddrA_reg11;
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input [15:0] Intra_mbAddrA_reg12,Intra_mbAddrA_reg13,Intra_mbAddrA_reg14,Intra_mbAddrA_reg15;
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input [15:0] Intra_mbAddrB_reg0, Intra_mbAddrB_reg1, Intra_mbAddrB_reg2, Intra_mbAddrB_reg3;
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input [15:0] Intra_mbAddrB_reg4, Intra_mbAddrB_reg5, Intra_mbAddrB_reg6, Intra_mbAddrB_reg7;
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input [15:0] Intra_mbAddrB_reg8, Intra_mbAddrB_reg9, Intra_mbAddrB_reg10,Intra_mbAddrB_reg11;
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input [15:0] Intra_mbAddrB_reg12,Intra_mbAddrB_reg13,Intra_mbAddrB_reg14,Intra_mbAddrB_reg15;
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input [15:0] blk4x4_pred_output0, blk4x4_pred_output1, blk4x4_pred_output2;
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input [15:0] blk4x4_pred_output4, blk4x4_pred_output5, blk4x4_pred_output6;
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input [15:0] blk4x4_pred_output8, blk4x4_pred_output9, blk4x4_pred_output10;
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input [15:0] blk4x4_pred_output12,blk4x4_pred_output13,blk4x4_pred_output14;
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input [15:0] seed;
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input [11:0] b,c;
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output [7:0] PE0_out;
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output [7:0] PE1_out;
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output [7:0] PE2_out;
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output [7:0] PE3_out;
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output [15:0] PE0_sum_out; //for store as 2nd-level seed
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output [15:0] PE3_sum_out; //for store as 2nd-level seed
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reg [15:0] PE0_in0,PE0_in1,PE0_in2,PE0_in3;
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reg PE0_IsShift;
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reg PE0_IsStore;
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reg PE0_IsClip;
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reg PE0_full_bypass;
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reg [4:0] PE0_round_value;
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reg [2:0] PE0_shift_len;
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reg [15:0] PE1_in0,PE1_in1,PE1_in2,PE1_in3;
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reg PE1_IsShift;
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reg PE1_IsStore;
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reg PE1_IsClip;
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reg PE1_full_bypass;
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reg [4:0] PE1_round_value;
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reg [2:0] PE1_shift_len;
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reg [15:0] PE2_in0,PE2_in1,PE2_in2,PE2_in3;
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reg PE2_IsShift;
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reg PE2_IsStore;
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reg PE2_IsClip;
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reg PE2_full_bypass;
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reg [4:0] PE2_round_value;
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reg [2:0] PE2_shift_len;
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reg [15:0] PE3_in0,PE3_in1,PE3_in2,PE3_in3;
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reg PE3_IsShift;
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reg PE3_IsStore;
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reg PE3_IsClip;
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reg PE3_full_bypass;
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reg [4:0] PE3_round_value;
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reg [2:0] PE3_shift_len;
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wire [15:0] PE0_out_reg;
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wire [15:0] PE1_out_reg;
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wire [15:0] PE2_out_reg;
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wire [15:0] PE3_out_reg;
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wire [15:0] PE0_sum_out;
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wire [15:0] PE1_sum_out;
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wire [15:0] PE2_sum_out;
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wire [15:0] PE3_sum_out;
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wire [15:0] b_ext,c_ext;
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assign b_ext = (b[11] == 1'b1)? {4'b1111,b}:{4'b0000,b};
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assign c_ext = (c[11] == 1'b1)? {4'b1111,c}:{4'b0000,c};
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PE PE0 (
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.clk(clk),
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.reset_n(reset_n),
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.in0(PE0_in0),
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.in1(PE0_in1),
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.in2(PE0_in2),
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.in3(PE0_in3),
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.IsShift(PE0_IsShift),
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.IsStore(PE0_IsStore),
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.IsClip(PE0_IsClip),
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.full_bypass(PE0_full_bypass),
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.round_value(PE0_round_value),
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.shift_len(PE0_shift_len),
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.PE_out_reg(PE0_out_reg),
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.PE_out(PE0_out),
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.sum_out(PE0_sum_out)
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);
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PE PE1 (
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.clk(clk),
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.reset_n(reset_n),
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.in0(PE1_in0),
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.in1(PE1_in1),
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.in2(PE1_in2),
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.in3(PE1_in3),
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.IsShift(PE1_IsShift),
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.IsStore(PE1_IsStore),
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.IsClip(PE1_IsClip),
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.full_bypass(PE1_full_bypass),
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.round_value(PE1_round_value),
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.shift_len(PE1_shift_len),
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.PE_out_reg(PE1_out_reg),
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.PE_out(PE1_out),
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.sum_out(PE1_sum_out)
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);
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PE PE2 (
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.clk(clk),
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.reset_n(reset_n),
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.in0(PE2_in0),
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.in1(PE2_in1),
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.in2(PE2_in2),
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.in3(PE2_in3),
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.IsShift(PE2_IsShift),
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.IsStore(PE2_IsStore),
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.IsClip(PE2_IsClip),
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.full_bypass(PE2_full_bypass),
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.round_value(PE2_round_value),
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.shift_len(PE2_shift_len),
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.PE_out_reg(PE2_out_reg),
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.PE_out(PE2_out),
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.sum_out(PE2_sum_out)
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);
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PE PE3 (
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.clk(clk),
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.reset_n(reset_n),
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.in0(PE3_in0),
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.in1(PE3_in1),
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.in2(PE3_in2),
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.in3(PE3_in3),
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.IsShift(PE3_IsShift),
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.IsStore(PE3_IsStore),
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.IsClip(PE3_IsClip),
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.full_bypass(PE3_full_bypass),
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.round_value(PE3_round_value),
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.shift_len(PE3_shift_len),
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.PE_out_reg(PE3_out_reg),
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.PE_out(PE3_out),
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.sum_out(PE3_sum_out)
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);
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//----
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//PE0 |
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//----
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always @ (mb_type_general or blk4x4_rec_counter or blk4x4_intra_calculate_counter
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or Intra4x4_predmode or Intra16x16_predmode or Intra_chroma_predmode
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or blkAddrA_availability or blkAddrB_availability or mbAddrA_availability or mbAddrB_availability
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or Intra_mbAddrA_window0 or Intra_mbAddrA_window1 or Intra_mbAddrA_window2
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or Intra_mbAddrB_window0 or Intra_mbAddrB_window1 or Intra_mbAddrB_window2 or Intra_mbAddrB_window3
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or Intra_mbAddrD_window
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or Intra_mbAddrA_reg0 or Intra_mbAddrA_reg1 or Intra_mbAddrA_reg2 or Intra_mbAddrA_reg3
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or Intra_mbAddrB_reg1 or Intra_mbAddrB_reg2 or Intra_mbAddrB_reg3
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or PE0_out_reg or PE1_out_reg or PE2_out_reg or PE3_out_reg
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or blk4x4_pred_output4 or blk4x4_pred_output5 or blk4x4_pred_output8
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or blk4x4_pred_output9 or blk4x4_pred_output10 or blk4x4_pred_output12
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or seed or b_ext or c_ext)
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//Intra 4x4
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if (mb_type_general[3:2] == 2'b11 && blk4x4_rec_counter < 16)
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case (Intra4x4_predmode)
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`Intra4x4_Vertical:
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begin
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case (blk4x4_intra_calculate_counter)
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4:PE0_in0 <= Intra_mbAddrB_window0;
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3:PE0_in0 <= Intra_mbAddrB_window1;
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2:PE0_in0 <= Intra_mbAddrB_window2;
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1:PE0_in0 <= Intra_mbAddrB_window3;
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default:PE0_in0 <= 0;
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endcase
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PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
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PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
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PE0_full_bypass <= 1; PE0_round_value <= 0; PE0_shift_len <= 0;
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end
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`Intra4x4_Horizontal:
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begin
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PE0_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window0:0;
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PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
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PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
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PE0_full_bypass <= 1; PE0_round_value <= 0; PE0_shift_len <= 0;
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end
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`Intra4x4_DC:
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case (blk4x4_intra_calculate_counter)
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4: //A ~ D
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begin
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if (blkAddrB_availability == 1)
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begin
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PE0_in0 <= Intra_mbAddrB_window0; PE0_in1 <= Intra_mbAddrB_window1;
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PE0_in2 <= Intra_mbAddrB_window2; PE0_in3 <= Intra_mbAddrB_window3;
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PE0_IsStore <= 1'b1; PE0_full_bypass <= 1'b0;
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end
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else
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begin
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PE0_in0 <= 0; PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
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PE0_IsStore <= 1'b0; PE0_full_bypass <= 1'b1;
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end
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PE0_IsShift <= 0; PE0_IsClip <= 0;
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PE0_round_value <= 0; PE0_shift_len <= 0;
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end
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3:
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begin
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case ({blkAddrB_availability,blkAddrA_availability})
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2'b00:
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begin
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PE0_in0 <= 128; PE0_in1 <= 0;
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PE0_full_bypass <= 1'b1; PE0_round_value <= 0; PE0_shift_len <= 0;
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end
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2'b01,2'b10:
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begin
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PE0_in0 <= (blkAddrB_availability)? PE0_out_reg:0;
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PE0_in1 <= (blkAddrA_availability)? PE1_out_reg:0;
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PE0_full_bypass <= 1'b0; PE0_round_value <= 2; PE0_shift_len <= 2;
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end
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2'b11:
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begin
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PE0_in0 <= PE0_out_reg; PE0_in1 <= PE1_out_reg;
|
| 268 |
|
|
PE0_full_bypass <= 1'b0; PE0_round_value <= 4; PE0_shift_len <= 3;
|
| 269 |
|
|
end
|
| 270 |
|
|
endcase
|
| 271 |
|
|
PE0_in2 <= 0; PE0_in3 <= 0;
|
| 272 |
|
|
PE0_IsStore <= 0; PE0_IsShift <= 0; PE0_IsClip <= 0;
|
| 273 |
|
|
end
|
| 274 |
|
|
default:
|
| 275 |
|
|
begin
|
| 276 |
|
|
PE0_in0 <= 0; PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 277 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
|
| 278 |
|
|
PE0_full_bypass <= 1; PE0_round_value <= 0; PE0_shift_len <= 0;
|
| 279 |
|
|
end
|
| 280 |
|
|
endcase
|
| 281 |
|
|
`Intra4x4_Diagonal_Down_Left:
|
| 282 |
|
|
begin
|
| 283 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 284 |
|
|
4:PE0_in0 <= Intra_mbAddrB_window0;
|
| 285 |
|
|
3:PE0_in0 <= blk4x4_pred_output4;
|
| 286 |
|
|
2:PE0_in0 <= blk4x4_pred_output8;
|
| 287 |
|
|
1:PE0_in0 <= blk4x4_pred_output12;
|
| 288 |
|
|
default:PE0_in0 <= 0;
|
| 289 |
|
|
endcase
|
| 290 |
|
|
PE0_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window2:0;
|
| 291 |
|
|
PE0_in2 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window1:0;
|
| 292 |
|
|
PE0_in3 <= 0;
|
| 293 |
|
|
PE0_IsShift <= (blk4x4_intra_calculate_counter == 4)? 1'b1:1'b0;
|
| 294 |
|
|
PE0_IsStore <= 1'b0; PE0_IsClip <= 1'b0;
|
| 295 |
|
|
PE0_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 296 |
|
|
PE0_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'b00010:5'b0; // +2
|
| 297 |
|
|
PE0_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'b010:3'b0; // >>2
|
| 298 |
|
|
end
|
| 299 |
|
|
`Intra4x4_Diagonal_Down_Right:
|
| 300 |
|
|
begin
|
| 301 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 302 |
|
|
4:begin PE0_in0 <= Intra_mbAddrB_window0; PE0_in1 <= Intra_mbAddrA_window0;
|
| 303 |
|
|
PE0_in2 <= Intra_mbAddrD_window; end
|
| 304 |
|
|
3:begin PE0_in0 <= Intra_mbAddrD_window; PE0_in1 <= Intra_mbAddrB_window1;
|
| 305 |
|
|
PE0_in2 <= Intra_mbAddrB_window0; end
|
| 306 |
|
|
2:begin PE0_in0 <= Intra_mbAddrB_window0; PE0_in1 <= Intra_mbAddrB_window2;
|
| 307 |
|
|
PE0_in2 <= Intra_mbAddrB_window1; end
|
| 308 |
|
|
1:begin PE0_in0 <= Intra_mbAddrB_window1; PE0_in1 <= Intra_mbAddrB_window3;
|
| 309 |
|
|
PE0_in2 <= Intra_mbAddrB_window2; end
|
| 310 |
|
|
default:begin PE0_in0 <= 0;PE0_in1 <= 0;PE0_in2 <= 0; end
|
| 311 |
|
|
endcase
|
| 312 |
|
|
PE0_in3 <= 0;
|
| 313 |
|
|
PE0_IsShift <= (blk4x4_intra_calculate_counter == 0)? 1'b0:1'b1;
|
| 314 |
|
|
PE0_IsStore <= 1'b0; PE0_IsClip <= 1'b0; PE0_full_bypass <= 1'b0;
|
| 315 |
|
|
PE0_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'b0:5'b00010; // +2
|
| 316 |
|
|
PE0_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'b0:3'b010; // >>2
|
| 317 |
|
|
end
|
| 318 |
|
|
`Intra4x4_Vertical_Right:
|
| 319 |
|
|
begin
|
| 320 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 321 |
|
|
4:begin PE0_in0 <= Intra_mbAddrB_window0;PE0_in1 <= Intra_mbAddrD_window; end
|
| 322 |
|
|
3:begin PE0_in0 <= Intra_mbAddrB_window0;PE0_in1 <= Intra_mbAddrB_window1;end
|
| 323 |
|
|
2:begin PE0_in0 <= Intra_mbAddrB_window2;PE0_in1 <= Intra_mbAddrB_window1;end
|
| 324 |
|
|
1:begin PE0_in0 <= Intra_mbAddrB_window2;PE0_in1 <= Intra_mbAddrB_window3;end
|
| 325 |
|
|
default:begin PE0_in0 <= 0;PE0_in1 <= 0; end
|
| 326 |
|
|
endcase
|
| 327 |
|
|
PE0_in2 <= 0; PE0_in3 <= 0;
|
| 328 |
|
|
PE0_IsShift <= 1'b0;PE0_IsStore <= 1'b0; PE0_IsClip <= 1'b0; PE0_full_bypass <= 1'b0;
|
| 329 |
|
|
PE0_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'b0:5'b00001; // +1
|
| 330 |
|
|
PE0_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'b0:3'b001; // >>1
|
| 331 |
|
|
end
|
| 332 |
|
|
`Intra4x4_Horizontal_Down:
|
| 333 |
|
|
begin
|
| 334 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 335 |
|
|
4:begin PE0_in0 <= Intra_mbAddrA_window0;PE0_in1 <= Intra_mbAddrD_window;
|
| 336 |
|
|
PE0_in2 <= 0;
|
| 337 |
|
|
PE0_round_value <= 5'b00001; PE0_shift_len <= 3'b001;end
|
| 338 |
|
|
3:begin PE0_in0 <= Intra_mbAddrA_window0;PE0_in1 <= Intra_mbAddrB_window0;
|
| 339 |
|
|
PE0_in2 <= Intra_mbAddrD_window;
|
| 340 |
|
|
PE0_round_value <= 5'b00010; PE0_shift_len <= 3'b010;end
|
| 341 |
|
|
2:begin PE0_in0 <= Intra_mbAddrD_window; PE0_in1 <= Intra_mbAddrB_window1;
|
| 342 |
|
|
PE0_in2 <= Intra_mbAddrB_window0;
|
| 343 |
|
|
PE0_round_value <= 5'b00010; PE0_shift_len <= 3'b010;end
|
| 344 |
|
|
1:begin PE0_in0 <= Intra_mbAddrB_window0;PE0_in1 <= Intra_mbAddrB_window2;
|
| 345 |
|
|
PE0_in2 <= Intra_mbAddrB_window1;
|
| 346 |
|
|
PE0_round_value <= 5'b00010; PE0_shift_len <= 3'b010;end
|
| 347 |
|
|
default:begin PE0_in0 <= 0;PE0_in1 <= 0;PE0_in2 <= 0;
|
| 348 |
|
|
PE0_round_value <= 0;PE0_shift_len <= 0; end
|
| 349 |
|
|
endcase
|
| 350 |
|
|
PE0_in3 <= 0;
|
| 351 |
|
|
PE0_IsShift <= (blk4x4_intra_calculate_counter == 3 || blk4x4_intra_calculate_counter == 2
|
| 352 |
|
|
|| blk4x4_intra_calculate_counter == 1)? 1'b1:1'b0;
|
| 353 |
|
|
PE0_IsStore <= 1'b0; PE0_IsClip <= 1'b0; PE0_full_bypass <= 1'b0;
|
| 354 |
|
|
end
|
| 355 |
|
|
`Intra4x4_Vertical_Left:
|
| 356 |
|
|
begin
|
| 357 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 358 |
|
|
4:PE0_in0 <= Intra_mbAddrB_window0;
|
| 359 |
|
|
3:PE0_in0 <= blk4x4_pred_output8;
|
| 360 |
|
|
2:PE0_in0 <= blk4x4_pred_output9;
|
| 361 |
|
|
1:PE0_in0 <= blk4x4_pred_output10;
|
| 362 |
|
|
default:PE0_in0 <= 0;
|
| 363 |
|
|
endcase
|
| 364 |
|
|
PE0_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window1:0;
|
| 365 |
|
|
PE0_in2 <= 0; PE0_in3 <= 0;
|
| 366 |
|
|
PE0_IsShift <= 1'b0; PE0_IsStore <= 1'b0; PE0_IsClip <= 1'b0;
|
| 367 |
|
|
PE0_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 368 |
|
|
PE0_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'b00001:5'b0; // +1
|
| 369 |
|
|
PE0_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'b001:3'b0; // >>1
|
| 370 |
|
|
end
|
| 371 |
|
|
`Intra4x4_Horizontal_Up:
|
| 372 |
|
|
begin
|
| 373 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 374 |
|
|
4:begin PE0_in0 <= Intra_mbAddrA_window0; PE0_in1 <= Intra_mbAddrA_window1; end
|
| 375 |
|
|
3:begin PE0_in0 <= Intra_mbAddrA_window0; PE0_in1 <= Intra_mbAddrA_window2; end
|
| 376 |
|
|
2:begin PE0_in0 <= blk4x4_pred_output4; PE0_in1 <= 0; end
|
| 377 |
|
|
1:begin PE0_in0 <= blk4x4_pred_output5; PE0_in1 <= 0; end
|
| 378 |
|
|
default:begin PE0_in0 <= 0; PE0_in1 <= 0; end
|
| 379 |
|
|
endcase
|
| 380 |
|
|
PE0_in2 <= (blk4x4_intra_calculate_counter == 3)? Intra_mbAddrA_window1:0;
|
| 381 |
|
|
PE0_in3 <= 0;
|
| 382 |
|
|
PE0_IsShift <= (blk4x4_intra_calculate_counter == 3)? 1'b1:1'b0;
|
| 383 |
|
|
PE0_IsStore <= 1'b0; PE0_IsClip <= 1'b0;
|
| 384 |
|
|
PE0_full_bypass <= (blk4x4_intra_calculate_counter == 4 ||
|
| 385 |
|
|
blk4x4_intra_calculate_counter == 3)? 1'b0:1'b1;
|
| 386 |
|
|
PE0_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'd1:
|
| 387 |
|
|
(blk4x4_intra_calculate_counter == 3)? 5'd2:5'd0;
|
| 388 |
|
|
PE0_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'd1:
|
| 389 |
|
|
(blk4x4_intra_calculate_counter == 3)? 3'd2:3'd0;
|
| 390 |
|
|
end
|
| 391 |
|
|
default:
|
| 392 |
|
|
begin
|
| 393 |
|
|
PE0_in0 <= 0; PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 394 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
|
| 395 |
|
|
PE0_full_bypass <= 0; PE0_round_value <= 0; PE0_shift_len <= 0;
|
| 396 |
|
|
end
|
| 397 |
|
|
endcase
|
| 398 |
|
|
//Intra16x16
|
| 399 |
|
|
else if (mb_type_general[3:2] == 2'b10 && blk4x4_rec_counter < 16)
|
| 400 |
|
|
case (Intra16x16_predmode)
|
| 401 |
|
|
`Intra16x16_Vertical:
|
| 402 |
|
|
begin
|
| 403 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 404 |
|
|
4:PE0_in0 <= Intra_mbAddrB_window0;
|
| 405 |
|
|
3:PE0_in0 <= Intra_mbAddrB_window1;
|
| 406 |
|
|
2:PE0_in0 <= Intra_mbAddrB_window2;
|
| 407 |
|
|
1:PE0_in0 <= Intra_mbAddrB_window3;
|
| 408 |
|
|
default:PE0_in0 <= 0;
|
| 409 |
|
|
endcase
|
| 410 |
|
|
PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 411 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
|
| 412 |
|
|
PE0_full_bypass <= 1; PE0_round_value <= 0; PE0_shift_len <= 0;
|
| 413 |
|
|
end
|
| 414 |
|
|
`Intra16x16_Horizontal:
|
| 415 |
|
|
begin
|
| 416 |
|
|
PE0_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window0:0;
|
| 417 |
|
|
PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 418 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
|
| 419 |
|
|
PE0_full_bypass <= 1; PE0_round_value <= 0; PE0_shift_len <= 0;
|
| 420 |
|
|
end
|
| 421 |
|
|
`Intra16x16_DC:
|
| 422 |
|
|
if (blk4x4_rec_counter == 0)
|
| 423 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 424 |
|
|
4:begin // A2 + B2 + C2 + D2
|
| 425 |
|
|
PE0_in0 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg0;
|
| 426 |
|
|
PE0_in1 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg1;
|
| 427 |
|
|
PE0_in2 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg2;
|
| 428 |
|
|
PE0_in3 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg3;
|
| 429 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 1; PE0_IsClip <= 0;
|
| 430 |
|
|
PE0_full_bypass <= 0; PE0_round_value <= 0; PE0_shift_len <= 0; end
|
| 431 |
|
|
3:begin // PE0 output + B1 + C1 + D1
|
| 432 |
|
|
PE0_in0 <= PE0_out_reg;
|
| 433 |
|
|
PE0_in1 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg1;
|
| 434 |
|
|
PE0_in2 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg2;
|
| 435 |
|
|
PE0_in3 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg3;
|
| 436 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 1; PE0_IsClip <= 0;
|
| 437 |
|
|
PE0_full_bypass <= 0; PE0_round_value <= 0; PE0_shift_len <= 0; end
|
| 438 |
|
|
2:begin // PE0 output + PE1 output + PE2 output + PE3 output
|
| 439 |
|
|
PE0_in0 <= PE0_out_reg; PE0_in1 <= PE1_out_reg;
|
| 440 |
|
|
PE0_in2 <= PE2_out_reg; PE0_in3 <= PE3_out_reg;
|
| 441 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 1; PE0_IsClip <= 0;
|
| 442 |
|
|
PE0_full_bypass <= 0; PE0_round_value <= 0; PE0_shift_len <= 0; end
|
| 443 |
|
|
1:begin // final DC output
|
| 444 |
|
|
PE0_in0 <= (!mbAddrA_availability && !mbAddrB_availability)? 16'd128:PE0_out_reg;
|
| 445 |
|
|
PE0_in1 <= PE1_out_reg; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 446 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 1; PE0_IsClip <= 0;
|
| 447 |
|
|
PE0_full_bypass <= (!mbAddrA_availability && !mbAddrB_availability)? 1'b1 :1'b0;
|
| 448 |
|
|
PE0_round_value <= ( mbAddrA_availability && mbAddrB_availability)? 5'b10000:5'b01000;
|
| 449 |
|
|
PE0_shift_len <= ( mbAddrA_availability && mbAddrB_availability)? 3'b101 :3'b100;
|
| 450 |
|
|
end
|
| 451 |
|
|
default:begin
|
| 452 |
|
|
PE0_in0 <= 0; PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 453 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
|
| 454 |
|
|
PE0_full_bypass <= 0; PE0_round_value <= 0; PE0_shift_len <= 0; end
|
| 455 |
|
|
endcase
|
| 456 |
|
|
else
|
| 457 |
|
|
begin
|
| 458 |
|
|
PE0_in0 <= 0; PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 459 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
|
| 460 |
|
|
PE0_full_bypass <= 0; PE0_round_value <= 0; PE0_shift_len <= 0;
|
| 461 |
|
|
end
|
| 462 |
|
|
`Intra16x16_Plane:
|
| 463 |
|
|
begin
|
| 464 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 465 |
|
|
//blk0,2,4,6,8,10,12,14,calc counter == 3'b100:PE0_in0 <= seed;
|
| 466 |
|
|
//other cases :PE0_in0 <= left pixel output
|
| 467 |
|
|
PE0_in0 <= (blk4x4_intra_calculate_counter == 4 && blk4x4_rec_counter[0] == 1'b0)?
|
| 468 |
|
|
seed:PE0_out_reg;
|
| 469 |
|
|
else
|
| 470 |
|
|
PE0_in0 <= 0;
|
| 471 |
|
|
//blk0,2,8,10,calc counter == 3'b100:PE0_in1 <= c_ext
|
| 472 |
|
|
//other cases :PE0_in1 <= b_ext
|
| 473 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 474 |
|
|
PE0_in1 <= (blk4x4_intra_calculate_counter == 4 && !blk4x4_rec_counter[2] && !blk4x4_rec_counter[0])?
|
| 475 |
|
|
c_ext:b_ext;
|
| 476 |
|
|
else
|
| 477 |
|
|
PE0_in1 <= 0;
|
| 478 |
|
|
PE0_in2 <= 0; PE0_in3 <= 0;
|
| 479 |
|
|
PE0_IsShift <= 1'b0;
|
| 480 |
|
|
PE0_IsStore <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 481 |
|
|
PE0_IsClip <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 482 |
|
|
PE0_full_bypass <= 1'b0;
|
| 483 |
|
|
PE0_round_value <= (blk4x4_intra_calculate_counter != 0)? 5'd16:5'd0;
|
| 484 |
|
|
PE0_shift_len <= (blk4x4_intra_calculate_counter != 0)? 3'd5 :3'd0;
|
| 485 |
|
|
end
|
| 486 |
|
|
endcase
|
| 487 |
|
|
//Chroma
|
| 488 |
|
|
else if (mb_type_general[3] == 1'b1 && blk4x4_rec_counter > 15)
|
| 489 |
|
|
case (Intra_chroma_predmode)
|
| 490 |
|
|
`Intra_chroma_DC:
|
| 491 |
|
|
begin
|
| 492 |
|
|
case ({mbAddrA_availability,mbAddrB_availability})
|
| 493 |
|
|
2'b00:PE0_in0 <= (blk4x4_intra_calculate_counter == 3)? 15'd128:15'd0;
|
| 494 |
|
|
2'b01:PE0_in0 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window0:
|
| 495 |
|
|
(blk4x4_intra_calculate_counter == 3)? PE0_out_reg:0;
|
| 496 |
|
|
2'b10:PE0_in0 <= (blk4x4_intra_calculate_counter == 3)? PE1_out_reg:0;
|
| 497 |
|
|
2'b11:
|
| 498 |
|
|
if (blk4x4_intra_calculate_counter == 4)
|
| 499 |
|
|
PE0_in0 <= (blk4x4_rec_counter == 18 || blk4x4_rec_counter == 22)?
|
| 500 |
|
|
0:Intra_mbAddrB_window0;
|
| 501 |
|
|
else if (blk4x4_intra_calculate_counter == 3)
|
| 502 |
|
|
PE0_in0 <= PE0_out_reg;
|
| 503 |
|
|
else
|
| 504 |
|
|
PE0_in0 <= 0;
|
| 505 |
|
|
endcase
|
| 506 |
|
|
case ({mbAddrA_availability,mbAddrB_availability})
|
| 507 |
|
|
2'b00:PE0_in1 <= 0;
|
| 508 |
|
|
2'b01:PE0_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window1:0;
|
| 509 |
|
|
2'b10:PE0_in1 <= 0;
|
| 510 |
|
|
2'b11:
|
| 511 |
|
|
if (blk4x4_intra_calculate_counter == 4)
|
| 512 |
|
|
PE0_in1 <= (blk4x4_rec_counter == 18 || blk4x4_rec_counter == 22)?
|
| 513 |
|
|
0:Intra_mbAddrB_window1;
|
| 514 |
|
|
else if (blk4x4_intra_calculate_counter == 3)
|
| 515 |
|
|
PE0_in1 <= PE1_out_reg;
|
| 516 |
|
|
else
|
| 517 |
|
|
PE0_in1 <= 0;
|
| 518 |
|
|
endcase
|
| 519 |
|
|
case (mbAddrB_availability)
|
| 520 |
|
|
1'b0:begin PE0_in2 <= 0; PE0_in3 <= 0; end
|
| 521 |
|
|
1'b1:
|
| 522 |
|
|
begin
|
| 523 |
|
|
if (blk4x4_intra_calculate_counter == 4)
|
| 524 |
|
|
begin
|
| 525 |
|
|
PE0_in2 <= ((blk4x4_rec_counter == 18 || blk4x4_rec_counter == 22) && mbAddrA_availability)?
|
| 526 |
|
|
0:Intra_mbAddrB_window2;
|
| 527 |
|
|
PE0_in3 <= ((blk4x4_rec_counter == 18 || blk4x4_rec_counter == 22) && mbAddrA_availability)?
|
| 528 |
|
|
0:Intra_mbAddrB_window3;
|
| 529 |
|
|
end
|
| 530 |
|
|
else
|
| 531 |
|
|
begin PE0_in2 <= 0; PE0_in3 <= 0; end
|
| 532 |
|
|
end
|
| 533 |
|
|
endcase
|
| 534 |
|
|
PE0_IsShift <= 1'b0;
|
| 535 |
|
|
PE0_IsStore <= (mbAddrB_availability && blk4x4_intra_calculate_counter == 4)? 1'b1:1'b0;
|
| 536 |
|
|
PE0_IsClip <= 1'b0;
|
| 537 |
|
|
PE0_full_bypass <= (!mbAddrA_availability && !mbAddrB_availability &&
|
| 538 |
|
|
blk4x4_intra_calculate_counter == 3)? 1'b1:1'b0;
|
| 539 |
|
|
case ({mbAddrA_availability,mbAddrB_availability})
|
| 540 |
|
|
2'b00 :begin PE0_round_value <= 0; PE0_shift_len <= 0; end
|
| 541 |
|
|
2'b01,2'b10 :begin PE0_round_value <= (blk4x4_intra_calculate_counter == 3)? 5'd2:5'd0;
|
| 542 |
|
|
PE0_shift_len <= (blk4x4_intra_calculate_counter == 3)? 3'd2:3'd0; end
|
| 543 |
|
|
2'b11:
|
| 544 |
|
|
begin
|
| 545 |
|
|
if (blk4x4_intra_calculate_counter == 3)
|
| 546 |
|
|
begin
|
| 547 |
|
|
PE0_round_value <= (blk4x4_rec_counter == 16 || blk4x4_rec_counter == 19 ||
|
| 548 |
|
|
blk4x4_rec_counter == 20 || blk4x4_rec_counter == 23)? 5'd4:5'd2;
|
| 549 |
|
|
PE0_shift_len <= (blk4x4_rec_counter == 16 || blk4x4_rec_counter == 19 ||
|
| 550 |
|
|
blk4x4_rec_counter == 20 || blk4x4_rec_counter == 23)? 3'd3:3'd2;
|
| 551 |
|
|
end
|
| 552 |
|
|
else
|
| 553 |
|
|
begin PE0_round_value <= 0; PE0_shift_len <= 0; end
|
| 554 |
|
|
end
|
| 555 |
|
|
endcase
|
| 556 |
|
|
end
|
| 557 |
|
|
`Intra_chroma_Horizontal: //---horizontal---
|
| 558 |
|
|
begin
|
| 559 |
|
|
PE0_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window0:0;
|
| 560 |
|
|
PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 561 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
|
| 562 |
|
|
PE0_full_bypass <= 1; PE0_round_value <= 0; PE0_shift_len <= 0;
|
| 563 |
|
|
end
|
| 564 |
|
|
`Intra_chroma_Vertical: //---vertical---
|
| 565 |
|
|
begin
|
| 566 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 567 |
|
|
4:PE0_in0 <= Intra_mbAddrB_window0;
|
| 568 |
|
|
3:PE0_in0 <= Intra_mbAddrB_window1;
|
| 569 |
|
|
2:PE0_in0 <= Intra_mbAddrB_window2;
|
| 570 |
|
|
1:PE0_in0 <= Intra_mbAddrB_window3;
|
| 571 |
|
|
default:PE0_in0 <= 0;
|
| 572 |
|
|
endcase
|
| 573 |
|
|
PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 574 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
|
| 575 |
|
|
PE0_full_bypass <= 1; PE0_round_value <= 0; PE0_shift_len <= 0;
|
| 576 |
|
|
end
|
| 577 |
|
|
`Intra_chroma_Plane: //---plane---
|
| 578 |
|
|
begin
|
| 579 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 580 |
|
|
//need seed, blk4x4 = 16 | 18 | 20 | 22
|
| 581 |
|
|
//do not need seed,blk4x4 = 17 | 19 | 21 | 23
|
| 582 |
|
|
PE0_in0 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 583 |
|
|
seed:PE0_out_reg;
|
| 584 |
|
|
else
|
| 585 |
|
|
PE0_in0 <= 0;
|
| 586 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 587 |
|
|
PE0_in1 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)? c_ext:b_ext;
|
| 588 |
|
|
else
|
| 589 |
|
|
PE0_in1 <= 0;
|
| 590 |
|
|
PE0_in2 <= 0; PE0_in3 <= 0;
|
| 591 |
|
|
PE0_IsShift <= 1'b0;
|
| 592 |
|
|
PE0_IsStore <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 593 |
|
|
PE0_IsClip <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 594 |
|
|
PE0_full_bypass <= 1'b0;
|
| 595 |
|
|
PE0_round_value <= (blk4x4_intra_calculate_counter != 0)? 5'd16:5'd0;
|
| 596 |
|
|
PE0_shift_len <= (blk4x4_intra_calculate_counter != 0)? 3'd5 :3'd0;
|
| 597 |
|
|
end
|
| 598 |
|
|
endcase
|
| 599 |
|
|
else
|
| 600 |
|
|
begin
|
| 601 |
|
|
PE0_in0 <= 0; PE0_in1 <= 0; PE0_in2 <= 0; PE0_in3 <= 0;
|
| 602 |
|
|
PE0_IsShift <= 0; PE0_IsStore <= 0; PE0_IsClip <= 0;
|
| 603 |
|
|
PE0_full_bypass <= 0; PE0_round_value <= 0; PE0_shift_len <= 0;
|
| 604 |
|
|
end
|
| 605 |
|
|
//----
|
| 606 |
|
|
//PE1 |
|
| 607 |
|
|
//----
|
| 608 |
|
|
always @ (mb_type_general or blk4x4_rec_counter or blk4x4_intra_calculate_counter
|
| 609 |
|
|
or Intra4x4_predmode or Intra16x16_predmode or Intra_chroma_predmode
|
| 610 |
|
|
or blkAddrA_availability or mbAddrA_availability or mbAddrB_availability
|
| 611 |
|
|
|
| 612 |
|
|
or Intra_mbAddrA_window0 or Intra_mbAddrA_window1 or Intra_mbAddrA_window2 or Intra_mbAddrA_window3
|
| 613 |
|
|
or Intra_mbAddrB_window0 or Intra_mbAddrB_window1 or Intra_mbAddrB_window2 or Intra_mbAddrB_window3
|
| 614 |
|
|
or Intra_mbAddrD_window
|
| 615 |
|
|
|
| 616 |
|
|
or Intra_mbAddrA_reg4 or Intra_mbAddrA_reg5 or Intra_mbAddrA_reg6 or Intra_mbAddrA_reg7
|
| 617 |
|
|
or Intra_mbAddrB_reg0 or Intra_mbAddrB_reg4 or Intra_mbAddrB_reg5 or Intra_mbAddrB_reg6
|
| 618 |
|
|
or Intra_mbAddrB_reg7 or Intra_mbAddrB_reg8 or Intra_mbAddrB_reg12
|
| 619 |
|
|
|
| 620 |
|
|
or PE1_out_reg
|
| 621 |
|
|
or blk4x4_pred_output0 or blk4x4_pred_output1 or blk4x4_pred_output2
|
| 622 |
|
|
or blk4x4_pred_output8 or blk4x4_pred_output9 or blk4x4_pred_output12
|
| 623 |
|
|
or blk4x4_pred_output13 or blk4x4_pred_output14
|
| 624 |
|
|
or seed or b_ext or c_ext)
|
| 625 |
|
|
//Intra 4x4
|
| 626 |
|
|
if (mb_type_general[3:2] == 2'b11 && blk4x4_rec_counter < 16)
|
| 627 |
|
|
case (Intra4x4_predmode)
|
| 628 |
|
|
`Intra4x4_Vertical: //---Vertical---
|
| 629 |
|
|
begin
|
| 630 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 631 |
|
|
4:PE1_in0 <= Intra_mbAddrB_window0;
|
| 632 |
|
|
3:PE1_in0 <= Intra_mbAddrB_window1;
|
| 633 |
|
|
2:PE1_in0 <= Intra_mbAddrB_window2;
|
| 634 |
|
|
1:PE1_in0 <= Intra_mbAddrB_window3;
|
| 635 |
|
|
default:PE1_in0 <= 0;
|
| 636 |
|
|
endcase
|
| 637 |
|
|
PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 638 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 639 |
|
|
PE1_full_bypass <= 1; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 640 |
|
|
end
|
| 641 |
|
|
`Intra4x4_Horizontal: //---Horizontal---
|
| 642 |
|
|
begin
|
| 643 |
|
|
PE1_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window1:0;
|
| 644 |
|
|
PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 645 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 646 |
|
|
PE1_full_bypass <= 1; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 647 |
|
|
end
|
| 648 |
|
|
`Intra4x4_DC: //---DC---
|
| 649 |
|
|
begin
|
| 650 |
|
|
PE1_in0 <= (blk4x4_intra_calculate_counter == 4 && blkAddrA_availability == 1)?
|
| 651 |
|
|
Intra_mbAddrA_window0:0;
|
| 652 |
|
|
PE1_in1 <= (blk4x4_intra_calculate_counter == 4 && blkAddrA_availability == 1)?
|
| 653 |
|
|
Intra_mbAddrA_window1:0;
|
| 654 |
|
|
PE1_in2 <= (blk4x4_intra_calculate_counter == 4 && blkAddrA_availability == 1)?
|
| 655 |
|
|
Intra_mbAddrA_window2:0;
|
| 656 |
|
|
PE1_in3 <= (blk4x4_intra_calculate_counter == 4 && blkAddrA_availability == 1)?
|
| 657 |
|
|
Intra_mbAddrA_window3:0;
|
| 658 |
|
|
PE1_IsStore <= (blk4x4_intra_calculate_counter == 4 && blkAddrA_availability == 1)? 1'b1:1'b0;
|
| 659 |
|
|
PE1_full_bypass <= 1'b0; PE1_IsShift <= 0; PE1_IsClip <= 0;
|
| 660 |
|
|
PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 661 |
|
|
end
|
| 662 |
|
|
`Intra4x4_Diagonal_Down_Left: //---diagonal down-left---
|
| 663 |
|
|
begin
|
| 664 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 665 |
|
|
4:PE1_in0 <= Intra_mbAddrB_window1;
|
| 666 |
|
|
3:PE1_in0 <= blk4x4_pred_output8;
|
| 667 |
|
|
2:PE1_in0 <= blk4x4_pred_output12;
|
| 668 |
|
|
1:PE1_in0 <= blk4x4_pred_output13;
|
| 669 |
|
|
default:PE1_in0 <= 0;
|
| 670 |
|
|
endcase
|
| 671 |
|
|
PE1_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window3:0;
|
| 672 |
|
|
PE1_in2 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window2:0;
|
| 673 |
|
|
PE1_in3 <= 0;
|
| 674 |
|
|
PE1_IsShift <= (blk4x4_intra_calculate_counter == 4)? 1'b1:1'b0;
|
| 675 |
|
|
PE1_IsStore <= 1'b0; PE1_IsClip <= 1'b0;
|
| 676 |
|
|
PE1_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 677 |
|
|
PE1_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'b00010:5'b0; // +2
|
| 678 |
|
|
PE1_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'b010 :3'b0; // >>2
|
| 679 |
|
|
end
|
| 680 |
|
|
`Intra4x4_Diagonal_Down_Right: //---diagonal down-right---
|
| 681 |
|
|
begin
|
| 682 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 683 |
|
|
4:PE1_in0 <= Intra_mbAddrD_window;
|
| 684 |
|
|
3:PE1_in0 <= blk4x4_pred_output0;
|
| 685 |
|
|
2:PE1_in0 <= blk4x4_pred_output1;
|
| 686 |
|
|
1:PE1_in0 <= blk4x4_pred_output2;
|
| 687 |
|
|
default:PE1_in0 <= 0;
|
| 688 |
|
|
endcase
|
| 689 |
|
|
PE1_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window1:0;
|
| 690 |
|
|
PE1_in2 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window0:0;
|
| 691 |
|
|
PE1_in3 <= 0;
|
| 692 |
|
|
PE1_IsShift <= (blk4x4_intra_calculate_counter == 0)? 1'b0:1'b1;
|
| 693 |
|
|
PE1_IsStore <= 1'b0; PE1_IsClip <= 1'b0;
|
| 694 |
|
|
PE1_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 695 |
|
|
PE1_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'b0:5'b00010; // +2
|
| 696 |
|
|
PE1_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'b0:3'b010; // >>2
|
| 697 |
|
|
end
|
| 698 |
|
|
`Intra4x4_Vertical_Right: //---vertical right---
|
| 699 |
|
|
begin
|
| 700 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 701 |
|
|
4:begin PE1_in0 <= Intra_mbAddrB_window0; PE1_in1 <= Intra_mbAddrA_window0;
|
| 702 |
|
|
PE1_in2 <= Intra_mbAddrD_window; end
|
| 703 |
|
|
3:begin PE1_in0 <= Intra_mbAddrD_window; PE1_in1 <= Intra_mbAddrB_window1;
|
| 704 |
|
|
PE1_in2 <= Intra_mbAddrB_window0; end
|
| 705 |
|
|
2:begin PE1_in0 <= Intra_mbAddrB_window0; PE1_in1 <= Intra_mbAddrB_window2;
|
| 706 |
|
|
PE1_in2 <= Intra_mbAddrB_window1; end
|
| 707 |
|
|
1:begin PE1_in0 <= Intra_mbAddrB_window1; PE1_in1 <= Intra_mbAddrB_window3;
|
| 708 |
|
|
PE1_in2 <= Intra_mbAddrB_window2; end
|
| 709 |
|
|
default:begin PE1_in0 <= 0;PE1_in1 <= 0;PE1_in2 <= 0; end
|
| 710 |
|
|
endcase
|
| 711 |
|
|
PE1_in3 <= 0;
|
| 712 |
|
|
PE1_IsShift <= (blk4x4_intra_calculate_counter == 0)? 1'b0:1'b1;
|
| 713 |
|
|
PE1_IsStore <= 1'b0; PE1_IsClip <= 1'b0; PE1_full_bypass <= 1'b0;
|
| 714 |
|
|
PE1_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'b0:5'b00010; // +2
|
| 715 |
|
|
PE1_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'b0:3'b010; // >>2
|
| 716 |
|
|
end
|
| 717 |
|
|
`Intra4x4_Horizontal_Down: //---horizontal down---
|
| 718 |
|
|
begin
|
| 719 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 720 |
|
|
4:PE1_in0 <= Intra_mbAddrA_window0;
|
| 721 |
|
|
3:PE1_in0 <= Intra_mbAddrD_window;
|
| 722 |
|
|
2:PE1_in0 <= blk4x4_pred_output0;
|
| 723 |
|
|
1:PE1_in0 <= blk4x4_pred_output1;
|
| 724 |
|
|
default:PE1_in0 <= 0;
|
| 725 |
|
|
endcase
|
| 726 |
|
|
PE1_in1 <= (blk4x4_intra_calculate_counter == 4 || blk4x4_intra_calculate_counter == 3)?
|
| 727 |
|
|
Intra_mbAddrA_window1:0;
|
| 728 |
|
|
PE1_in2 <= (blk4x4_intra_calculate_counter == 3)? Intra_mbAddrA_window0:0;
|
| 729 |
|
|
PE1_in3 <= 0;
|
| 730 |
|
|
PE1_IsShift <= (blk4x4_intra_calculate_counter == 3)? 1'b1:1'b0;
|
| 731 |
|
|
PE1_IsStore <= 1'b0; PE1_IsClip <= 1'b0;
|
| 732 |
|
|
PE1_full_bypass <= (blk4x4_intra_calculate_counter == 2 ||
|
| 733 |
|
|
blk4x4_intra_calculate_counter == 1)? 1'b1:1'b0;
|
| 734 |
|
|
PE1_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'd1:
|
| 735 |
|
|
(blk4x4_intra_calculate_counter == 3)? 5'd2:5'd0;
|
| 736 |
|
|
PE1_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'd1:
|
| 737 |
|
|
(blk4x4_intra_calculate_counter == 3)? 3'd2:3'd0;
|
| 738 |
|
|
end
|
| 739 |
|
|
`Intra4x4_Vertical_Left: //---vertical left---
|
| 740 |
|
|
begin
|
| 741 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 742 |
|
|
4:PE1_in0 <= Intra_mbAddrB_window0;
|
| 743 |
|
|
3:PE1_in0 <= blk4x4_pred_output12;
|
| 744 |
|
|
2:PE1_in0 <= blk4x4_pred_output13;
|
| 745 |
|
|
1:PE1_in0 <= blk4x4_pred_output14;
|
| 746 |
|
|
default:PE1_in0 <= 0;
|
| 747 |
|
|
endcase
|
| 748 |
|
|
PE1_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window2:0;
|
| 749 |
|
|
PE1_in2 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window1:0;
|
| 750 |
|
|
PE1_in3 <= 0;
|
| 751 |
|
|
PE1_IsShift <= (blk4x4_intra_calculate_counter == 4)? 1'b1:1'b0;
|
| 752 |
|
|
PE1_IsStore <= 1'b0; PE1_IsClip <= 1'b0;
|
| 753 |
|
|
PE1_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 754 |
|
|
PE1_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'd2:5'd0; // +2
|
| 755 |
|
|
PE1_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'd2:3'd0; // >>2
|
| 756 |
|
|
end
|
| 757 |
|
|
`Intra4x4_Horizontal_Up: //---horizontal up---
|
| 758 |
|
|
begin
|
| 759 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 760 |
|
|
4:PE1_in0 <= Intra_mbAddrA_window1;
|
| 761 |
|
|
3:PE1_in0 <= Intra_mbAddrA_window1;
|
| 762 |
|
|
2:PE1_in0 <= blk4x4_pred_output8;
|
| 763 |
|
|
1:PE1_in0 <= blk4x4_pred_output9;
|
| 764 |
|
|
default:PE1_in0 <= 0;
|
| 765 |
|
|
endcase
|
| 766 |
|
|
PE1_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window2:
|
| 767 |
|
|
(blk4x4_intra_calculate_counter == 3)? Intra_mbAddrA_window3:0;
|
| 768 |
|
|
PE1_in2 <= (blk4x4_intra_calculate_counter == 3)? Intra_mbAddrA_window2:0;
|
| 769 |
|
|
PE1_in3 <= 0;
|
| 770 |
|
|
PE1_IsShift <= (blk4x4_intra_calculate_counter == 3)? 1'b1:1'b0;
|
| 771 |
|
|
PE1_IsStore <= 1'b0; PE1_IsClip <= 1'b0;
|
| 772 |
|
|
PE1_full_bypass <= (blk4x4_intra_calculate_counter == 2 ||
|
| 773 |
|
|
blk4x4_intra_calculate_counter == 1)? 1'b1:1'b0;
|
| 774 |
|
|
PE1_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'd1:
|
| 775 |
|
|
(blk4x4_intra_calculate_counter == 3)? 5'd2:5'd0;
|
| 776 |
|
|
PE1_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'd1:
|
| 777 |
|
|
(blk4x4_intra_calculate_counter == 3)? 3'd2:3'd0;
|
| 778 |
|
|
end
|
| 779 |
|
|
default:
|
| 780 |
|
|
begin
|
| 781 |
|
|
PE1_in0 <= 0; PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 782 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 783 |
|
|
PE1_full_bypass <= 0; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 784 |
|
|
end
|
| 785 |
|
|
endcase
|
| 786 |
|
|
//Intra16x16
|
| 787 |
|
|
else if (mb_type_general[3:2] == 2'b10 && blk4x4_rec_counter < 16)
|
| 788 |
|
|
case (Intra16x16_predmode)
|
| 789 |
|
|
`Intra16x16_Vertical: //---Vertical---
|
| 790 |
|
|
begin
|
| 791 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 792 |
|
|
4:PE1_in0 <= Intra_mbAddrB_window0;
|
| 793 |
|
|
3:PE1_in0 <= Intra_mbAddrB_window1;
|
| 794 |
|
|
2:PE1_in0 <= Intra_mbAddrB_window2;
|
| 795 |
|
|
1:PE1_in0 <= Intra_mbAddrB_window3;
|
| 796 |
|
|
default:PE1_in0 <= 0;
|
| 797 |
|
|
endcase
|
| 798 |
|
|
PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 799 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 800 |
|
|
PE1_full_bypass <= 1; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 801 |
|
|
end
|
| 802 |
|
|
`Intra16x16_Horizontal: //---Horizontal---
|
| 803 |
|
|
begin
|
| 804 |
|
|
PE1_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window1:0;
|
| 805 |
|
|
PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 806 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 807 |
|
|
PE1_full_bypass <= 1; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 808 |
|
|
end
|
| 809 |
|
|
`Intra16x16_DC: //---DC---
|
| 810 |
|
|
if (blk4x4_rec_counter == 0)
|
| 811 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 812 |
|
|
4:begin // E2 + F2 + G2 + H2
|
| 813 |
|
|
PE1_in0 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg4;
|
| 814 |
|
|
PE1_in1 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg5;
|
| 815 |
|
|
PE1_in2 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg6;
|
| 816 |
|
|
PE1_in3 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg7;
|
| 817 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 1; PE1_IsClip <= 0;
|
| 818 |
|
|
PE1_full_bypass <= 0; PE1_round_value <= 0; PE1_shift_len <= 0; end
|
| 819 |
|
|
3:begin // PE1 output + F1 + G1 + H1
|
| 820 |
|
|
PE1_in0 <= PE1_out_reg;
|
| 821 |
|
|
PE1_in1 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg5;
|
| 822 |
|
|
PE1_in2 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg6;
|
| 823 |
|
|
PE1_in3 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg7;
|
| 824 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 1; PE1_IsClip <= 0;
|
| 825 |
|
|
PE1_full_bypass <= 0; PE1_round_value <= 0; PE1_shift_len <= 0; end
|
| 826 |
|
|
2:begin // A1 + E1 + I1 + M1
|
| 827 |
|
|
PE1_in0 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg0;
|
| 828 |
|
|
PE1_in1 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg4;
|
| 829 |
|
|
PE1_in2 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg8;
|
| 830 |
|
|
PE1_in3 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg12;
|
| 831 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 1; PE1_IsClip <= 0;
|
| 832 |
|
|
PE1_full_bypass <= 0; PE1_round_value <= 0; PE1_shift_len <= 0; end
|
| 833 |
|
|
default:begin
|
| 834 |
|
|
PE1_in0 <= 0; PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 835 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 836 |
|
|
PE1_full_bypass <= 0; PE1_round_value <= 0; PE1_shift_len <= 0; end
|
| 837 |
|
|
endcase
|
| 838 |
|
|
else
|
| 839 |
|
|
begin
|
| 840 |
|
|
PE1_in0 <= 0; PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 841 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 842 |
|
|
PE1_full_bypass <= 0; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 843 |
|
|
end
|
| 844 |
|
|
`Intra16x16_Plane: //---plane---
|
| 845 |
|
|
begin
|
| 846 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 847 |
|
|
//blk0,2,4,6,8,10,12,14,calc counter == 3'b100:PE1_in0 <= seed;
|
| 848 |
|
|
//other cases :PE1_in0 <= left pixel output
|
| 849 |
|
|
PE1_in0 <= (blk4x4_intra_calculate_counter == 4 && blk4x4_rec_counter[0] == 1'b0)?
|
| 850 |
|
|
seed:PE1_out_reg;
|
| 851 |
|
|
else
|
| 852 |
|
|
PE1_in0 <= 0;
|
| 853 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 854 |
|
|
//blk0,2,8,10,calc counter == 3'b100:PE1_in1 <= c_ext x 2
|
| 855 |
|
|
//other cases :PE1_in1 <= b_ext
|
| 856 |
|
|
PE1_in1 <= (blk4x4_intra_calculate_counter == 4 && !blk4x4_rec_counter[2] && !blk4x4_rec_counter[0])?
|
| 857 |
|
|
{c_ext[14:0],1'b0}:b_ext;
|
| 858 |
|
|
else
|
| 859 |
|
|
PE1_in1 <= 0;
|
| 860 |
|
|
//blk4,6,12,14,calc counter == 3'b100:PE1_in2 <= c_ext;
|
| 861 |
|
|
//other cases :PE1_in2 <= 0
|
| 862 |
|
|
PE1_in2 <= (blk4x4_intra_calculate_counter == 4 && blk4x4_rec_counter[2] && !blk4x4_rec_counter[0])?
|
| 863 |
|
|
c_ext:0;
|
| 864 |
|
|
PE1_in3 <= 0;
|
| 865 |
|
|
PE1_IsShift <= 1'b0;
|
| 866 |
|
|
PE1_IsStore <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 867 |
|
|
PE1_IsClip <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 868 |
|
|
PE1_full_bypass <= 1'b0;
|
| 869 |
|
|
PE1_round_value <= (blk4x4_intra_calculate_counter != 0)? 5'd16:5'd0;
|
| 870 |
|
|
PE1_shift_len <= (blk4x4_intra_calculate_counter != 0)? 3'd5 :3'd0;
|
| 871 |
|
|
end
|
| 872 |
|
|
endcase
|
| 873 |
|
|
//Chroma
|
| 874 |
|
|
else if (mb_type_general[3] == 1'b1 && blk4x4_rec_counter > 15)
|
| 875 |
|
|
case (Intra_chroma_predmode)
|
| 876 |
|
|
`Intra_chroma_DC: //---DC---
|
| 877 |
|
|
if (blk4x4_intra_calculate_counter == 4)
|
| 878 |
|
|
begin
|
| 879 |
|
|
case ({mbAddrA_availability,mbAddrB_availability})
|
| 880 |
|
|
2'b00,2'b01:
|
| 881 |
|
|
begin
|
| 882 |
|
|
PE1_in0 <= 0; PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 883 |
|
|
end
|
| 884 |
|
|
2'b10:
|
| 885 |
|
|
begin
|
| 886 |
|
|
PE1_in0 <= Intra_mbAddrA_window0; PE1_in1 <= Intra_mbAddrA_window1;
|
| 887 |
|
|
PE1_in2 <= Intra_mbAddrA_window2; PE1_in3 <= Intra_mbAddrA_window3;
|
| 888 |
|
|
end
|
| 889 |
|
|
2'b11:
|
| 890 |
|
|
begin
|
| 891 |
|
|
PE1_in0 <= (blk4x4_rec_counter == 17 || blk4x4_rec_counter == 21)?
|
| 892 |
|
|
0:Intra_mbAddrA_window0;
|
| 893 |
|
|
PE1_in1 <= (blk4x4_rec_counter == 17 || blk4x4_rec_counter == 21)?
|
| 894 |
|
|
0:Intra_mbAddrA_window1;
|
| 895 |
|
|
PE1_in2 <= (blk4x4_rec_counter == 17 || blk4x4_rec_counter == 21)?
|
| 896 |
|
|
0:Intra_mbAddrA_window2;
|
| 897 |
|
|
PE1_in3 <= (blk4x4_rec_counter == 17 || blk4x4_rec_counter == 21)?
|
| 898 |
|
|
0:Intra_mbAddrA_window3;
|
| 899 |
|
|
end
|
| 900 |
|
|
endcase
|
| 901 |
|
|
PE1_IsShift <= 1'b0; PE1_IsClip <= 1'b0;
|
| 902 |
|
|
PE1_IsStore <= (mbAddrA_availability)? 1'b1:1'b0;
|
| 903 |
|
|
PE1_full_bypass <= 1'b0;
|
| 904 |
|
|
PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 905 |
|
|
end
|
| 906 |
|
|
else
|
| 907 |
|
|
begin
|
| 908 |
|
|
PE1_in0 <= 0; PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 909 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 910 |
|
|
PE1_full_bypass <= 0; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 911 |
|
|
end
|
| 912 |
|
|
`Intra_chroma_Horizontal: //---horizontal---
|
| 913 |
|
|
begin
|
| 914 |
|
|
PE1_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window1:0;
|
| 915 |
|
|
PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 916 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 917 |
|
|
PE1_full_bypass <= 1; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 918 |
|
|
end
|
| 919 |
|
|
`Intra_chroma_Vertical: //---vertical---
|
| 920 |
|
|
begin
|
| 921 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 922 |
|
|
4:PE1_in0 <= Intra_mbAddrB_window0;
|
| 923 |
|
|
3:PE1_in0 <= Intra_mbAddrB_window1;
|
| 924 |
|
|
2:PE1_in0 <= Intra_mbAddrB_window2;
|
| 925 |
|
|
1:PE1_in0 <= Intra_mbAddrB_window3;
|
| 926 |
|
|
default:PE1_in0 <= 0;
|
| 927 |
|
|
endcase
|
| 928 |
|
|
PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 929 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 930 |
|
|
PE1_full_bypass <= 1; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 931 |
|
|
end
|
| 932 |
|
|
`Intra_chroma_Plane: //---plane---
|
| 933 |
|
|
begin
|
| 934 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 935 |
|
|
//need seed, blk4x4 = 16 | 18 | 20 | 22
|
| 936 |
|
|
//do not need seed,blk4x4 = 17 | 19 | 21 | 23
|
| 937 |
|
|
PE1_in0 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 938 |
|
|
seed:PE1_out_reg;
|
| 939 |
|
|
else
|
| 940 |
|
|
PE1_in0 <= 0;
|
| 941 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 942 |
|
|
PE1_in1 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 943 |
|
|
0:b_ext;
|
| 944 |
|
|
else
|
| 945 |
|
|
PE1_in1 <= 0;
|
| 946 |
|
|
//0,2,8,10,the 4th cycle,+2c
|
| 947 |
|
|
PE1_in2 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)? c_ext:0;
|
| 948 |
|
|
PE1_in3 <= 0;
|
| 949 |
|
|
PE1_IsShift <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 950 |
|
|
1'b1:1'b0;
|
| 951 |
|
|
PE1_IsStore <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 952 |
|
|
PE1_IsClip <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 953 |
|
|
PE1_full_bypass <= 1'b0;
|
| 954 |
|
|
PE1_round_value <= (blk4x4_intra_calculate_counter != 0)? 5'd16:5'd0;
|
| 955 |
|
|
PE1_shift_len <= (blk4x4_intra_calculate_counter != 0)? 3'd5 :3'd0;
|
| 956 |
|
|
end
|
| 957 |
|
|
endcase
|
| 958 |
|
|
else
|
| 959 |
|
|
begin
|
| 960 |
|
|
PE1_in0 <= 0; PE1_in1 <= 0; PE1_in2 <= 0; PE1_in3 <= 0;
|
| 961 |
|
|
PE1_IsShift <= 0; PE1_IsStore <= 0; PE1_IsClip <= 0;
|
| 962 |
|
|
PE1_full_bypass <= 0; PE1_round_value <= 0; PE1_shift_len <= 0;
|
| 963 |
|
|
end
|
| 964 |
|
|
|
| 965 |
|
|
//----
|
| 966 |
|
|
//PE2 |
|
| 967 |
|
|
//----
|
| 968 |
|
|
always @ (mb_type_general or blk4x4_rec_counter or blk4x4_intra_calculate_counter
|
| 969 |
|
|
or Intra4x4_predmode or Intra16x16_predmode or Intra_chroma_predmode
|
| 970 |
|
|
or mbAddrA_availability or mbAddrB_availability
|
| 971 |
|
|
|
| 972 |
|
|
or Intra_mbAddrA_window0 or Intra_mbAddrA_window1 or Intra_mbAddrA_window2 or Intra_mbAddrA_window3
|
| 973 |
|
|
or Intra_mbAddrB_window0 or Intra_mbAddrB_window1 or Intra_mbAddrB_window2 or Intra_mbAddrB_window3
|
| 974 |
|
|
or Intra_mbAddrD_window
|
| 975 |
|
|
or Intra_mbAddrC_window0 or Intra_mbAddrC_window1
|
| 976 |
|
|
|
| 977 |
|
|
or Intra_mbAddrA_reg8 or Intra_mbAddrA_reg9 or Intra_mbAddrA_reg10 or Intra_mbAddrA_reg11
|
| 978 |
|
|
or Intra_mbAddrB_reg9 or Intra_mbAddrB_reg10 or Intra_mbAddrB_reg11
|
| 979 |
|
|
or blk4x4_pred_output0 or blk4x4_pred_output1 or blk4x4_pred_output2
|
| 980 |
|
|
or blk4x4_pred_output4 or blk4x4_pred_output5 or blk4x4_pred_output12
|
| 981 |
|
|
or blk4x4_pred_output13 or blk4x4_pred_output14
|
| 982 |
|
|
or PE2_out_reg
|
| 983 |
|
|
|
| 984 |
|
|
or seed or b_ext or c_ext)
|
| 985 |
|
|
//Intra 4x4
|
| 986 |
|
|
if (mb_type_general[3:2] == 2'b11 && blk4x4_rec_counter < 16)
|
| 987 |
|
|
case (Intra4x4_predmode)
|
| 988 |
|
|
`Intra4x4_Vertical: //---Vertical---
|
| 989 |
|
|
begin
|
| 990 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 991 |
|
|
4:PE2_in0 <= Intra_mbAddrB_window0;
|
| 992 |
|
|
3:PE2_in0 <= Intra_mbAddrB_window1;
|
| 993 |
|
|
2:PE2_in0 <= Intra_mbAddrB_window2;
|
| 994 |
|
|
1:PE2_in0 <= Intra_mbAddrB_window3;
|
| 995 |
|
|
default:PE2_in0 <= 0;
|
| 996 |
|
|
endcase
|
| 997 |
|
|
PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 998 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 999 |
|
|
PE2_full_bypass <= 1; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1000 |
|
|
end
|
| 1001 |
|
|
`Intra4x4_Horizontal: //---Horizontal---
|
| 1002 |
|
|
begin
|
| 1003 |
|
|
PE2_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window2:0;
|
| 1004 |
|
|
PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1005 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1006 |
|
|
PE2_full_bypass <= 1; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1007 |
|
|
end
|
| 1008 |
|
|
//-------------
|
| 1009 |
|
|
//no PE2 for DC
|
| 1010 |
|
|
//4'b0010:
|
| 1011 |
|
|
//-------------
|
| 1012 |
|
|
`Intra4x4_Diagonal_Down_Left: //---diagonal down-left---
|
| 1013 |
|
|
begin
|
| 1014 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1015 |
|
|
4:PE2_in0 <= Intra_mbAddrB_window2;
|
| 1016 |
|
|
3:PE2_in0 <= blk4x4_pred_output12;
|
| 1017 |
|
|
2:PE2_in0 <= blk4x4_pred_output13;
|
| 1018 |
|
|
1:PE2_in0 <= blk4x4_pred_output14;
|
| 1019 |
|
|
default:PE2_in0 <= 0;
|
| 1020 |
|
|
endcase
|
| 1021 |
|
|
PE2_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrC_window0:0;
|
| 1022 |
|
|
PE2_in2 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrB_window3:0;
|
| 1023 |
|
|
PE2_in3 <= 0;
|
| 1024 |
|
|
PE2_IsShift <= (blk4x4_intra_calculate_counter == 4)? 1'b1:1'b0;
|
| 1025 |
|
|
PE2_IsStore <= 1'b0; PE2_IsClip <= 1'b0;
|
| 1026 |
|
|
PE2_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 1027 |
|
|
PE2_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'd2:5'd0; // +2
|
| 1028 |
|
|
PE2_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'd2:3'd0; // >>2
|
| 1029 |
|
|
end
|
| 1030 |
|
|
`Intra4x4_Diagonal_Down_Right: //---diagonal down-right---
|
| 1031 |
|
|
begin
|
| 1032 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1033 |
|
|
4:PE2_in0 <= Intra_mbAddrA_window0;
|
| 1034 |
|
|
3:PE2_in0 <= blk4x4_pred_output4;
|
| 1035 |
|
|
2:PE2_in0 <= blk4x4_pred_output0;
|
| 1036 |
|
|
1:PE2_in0 <= blk4x4_pred_output1;
|
| 1037 |
|
|
default:PE2_in0 <= 0;
|
| 1038 |
|
|
endcase
|
| 1039 |
|
|
PE2_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window2:0;
|
| 1040 |
|
|
PE2_in2 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window1:0;
|
| 1041 |
|
|
PE2_in3 <= 0;
|
| 1042 |
|
|
PE2_IsShift <= (blk4x4_intra_calculate_counter == 0)? 1'b0:1'b1;
|
| 1043 |
|
|
PE2_IsStore <= 1'b0; PE2_IsClip <= 1'b0;
|
| 1044 |
|
|
PE2_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 1045 |
|
|
PE2_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'd0:5'd2; // +2
|
| 1046 |
|
|
PE2_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'd0:3'd2; // >>2
|
| 1047 |
|
|
end
|
| 1048 |
|
|
`Intra4x4_Vertical_Right: //---vertical right---
|
| 1049 |
|
|
begin
|
| 1050 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1051 |
|
|
4:PE2_in0 <= Intra_mbAddrD_window;
|
| 1052 |
|
|
3:PE2_in0 <= blk4x4_pred_output0;
|
| 1053 |
|
|
2:PE2_in0 <= blk4x4_pred_output1;
|
| 1054 |
|
|
1:PE2_in0 <= blk4x4_pred_output2;
|
| 1055 |
|
|
default:PE2_in0 <= 0;
|
| 1056 |
|
|
endcase
|
| 1057 |
|
|
PE2_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window1:0;
|
| 1058 |
|
|
PE2_in2 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window0:0;
|
| 1059 |
|
|
PE2_in3 <= 0;
|
| 1060 |
|
|
PE2_IsShift <= (blk4x4_intra_calculate_counter == 0)? 1'b0:1'b1;
|
| 1061 |
|
|
PE2_IsStore <= 1'b0; PE2_IsClip <= 1'b0;
|
| 1062 |
|
|
PE2_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 1063 |
|
|
PE2_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'd0:5'd2; // +2
|
| 1064 |
|
|
PE2_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'd0:3'd2; // >>2
|
| 1065 |
|
|
end
|
| 1066 |
|
|
`Intra4x4_Horizontal_Down: //---horizontal down---
|
| 1067 |
|
|
begin
|
| 1068 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1069 |
|
|
4:PE2_in0 <= Intra_mbAddrA_window1;
|
| 1070 |
|
|
3:PE2_in0 <= Intra_mbAddrA_window0;
|
| 1071 |
|
|
2:PE2_in0 <= blk4x4_pred_output4;
|
| 1072 |
|
|
1:PE2_in0 <= blk4x4_pred_output5;
|
| 1073 |
|
|
default:PE2_in0 <= 0;
|
| 1074 |
|
|
endcase
|
| 1075 |
|
|
PE2_in1 <= (blk4x4_intra_calculate_counter == 4 || blk4x4_intra_calculate_counter == 3)?
|
| 1076 |
|
|
Intra_mbAddrA_window2:0;
|
| 1077 |
|
|
PE2_in2 <= (blk4x4_intra_calculate_counter == 3)? Intra_mbAddrA_window1:0;
|
| 1078 |
|
|
PE2_in3 <= 0;
|
| 1079 |
|
|
PE2_IsShift <= (blk4x4_intra_calculate_counter == 3)? 1'b1:1'b0;
|
| 1080 |
|
|
PE2_IsStore <= 1'b0; PE2_IsClip <= 1'b0;
|
| 1081 |
|
|
PE2_full_bypass <= (blk4x4_intra_calculate_counter == 2 ||
|
| 1082 |
|
|
blk4x4_intra_calculate_counter == 1)? 1'b1:1'b0;
|
| 1083 |
|
|
PE2_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'd1:
|
| 1084 |
|
|
(blk4x4_intra_calculate_counter == 3)? 5'd2:5'd0;
|
| 1085 |
|
|
PE2_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'd1:
|
| 1086 |
|
|
(blk4x4_intra_calculate_counter == 3)? 3'd2:3'd0;
|
| 1087 |
|
|
end
|
| 1088 |
|
|
`Intra4x4_Vertical_Left: //---vertical left---
|
| 1089 |
|
|
begin
|
| 1090 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1091 |
|
|
4:PE2_in0 <= Intra_mbAddrB_window1;
|
| 1092 |
|
|
3:PE2_in0 <= Intra_mbAddrB_window3;
|
| 1093 |
|
|
2:PE2_in0 <= Intra_mbAddrB_window3;
|
| 1094 |
|
|
1:PE2_in0 <= Intra_mbAddrC_window1;
|
| 1095 |
|
|
default:PE2_in0 <= 0;
|
| 1096 |
|
|
endcase
|
| 1097 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1098 |
|
|
4,3:PE2_in1 <= Intra_mbAddrB_window2;
|
| 1099 |
|
|
2,1:PE2_in1 <= Intra_mbAddrC_window0;
|
| 1100 |
|
|
default:PE2_in1 <= 0;
|
| 1101 |
|
|
endcase
|
| 1102 |
|
|
PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1103 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 1'b0; PE2_full_bypass <= 1'b0;
|
| 1104 |
|
|
PE2_round_value <= (blk4x4_intra_calculate_counter != 0)? 5'd1:5'd0; // +1
|
| 1105 |
|
|
PE2_shift_len <= (blk4x4_intra_calculate_counter != 0)? 3'd1:3'd0; // >>1
|
| 1106 |
|
|
end
|
| 1107 |
|
|
`Intra4x4_Horizontal_Up: //---horizontal up---
|
| 1108 |
|
|
begin
|
| 1109 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1110 |
|
|
4,3:PE2_in0 <= Intra_mbAddrA_window2;
|
| 1111 |
|
|
2,1:PE2_in0 <= blk4x4_pred_output12;
|
| 1112 |
|
|
default:PE2_in0 <= 0;
|
| 1113 |
|
|
endcase
|
| 1114 |
|
|
PE2_in1 <= (blk4x4_intra_calculate_counter == 4 || blk4x4_intra_calculate_counter == 3)?
|
| 1115 |
|
|
Intra_mbAddrA_window3:0;
|
| 1116 |
|
|
PE2_in2 <= (blk4x4_intra_calculate_counter == 3)? Intra_mbAddrA_window3:0;
|
| 1117 |
|
|
PE2_in3 <= 0;
|
| 1118 |
|
|
PE2_IsShift <= (blk4x4_intra_calculate_counter == 3)? 1'b1:1'b0;
|
| 1119 |
|
|
PE2_IsStore <= 1'b0; PE2_IsClip <= 1'b0;
|
| 1120 |
|
|
PE2_full_bypass <= (blk4x4_intra_calculate_counter == 2 ||
|
| 1121 |
|
|
blk4x4_intra_calculate_counter == 1)? 1'b1:1'b0;
|
| 1122 |
|
|
PE2_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'd1:
|
| 1123 |
|
|
(blk4x4_intra_calculate_counter == 3)? 5'd2:5'd0;
|
| 1124 |
|
|
PE2_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'd1:
|
| 1125 |
|
|
(blk4x4_intra_calculate_counter == 3)? 3'd2:3'd0;
|
| 1126 |
|
|
end
|
| 1127 |
|
|
default:
|
| 1128 |
|
|
begin
|
| 1129 |
|
|
PE2_in0 <= 0; PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1130 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1131 |
|
|
PE2_full_bypass <= 0; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1132 |
|
|
end
|
| 1133 |
|
|
endcase
|
| 1134 |
|
|
//Intra16x16
|
| 1135 |
|
|
else if (mb_type_general[3:2] == 2'b10 && blk4x4_rec_counter < 16)
|
| 1136 |
|
|
case (Intra16x16_predmode)
|
| 1137 |
|
|
`Intra16x16_Vertical: //---Vertical---
|
| 1138 |
|
|
begin
|
| 1139 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1140 |
|
|
4:PE2_in0 <= Intra_mbAddrB_window0;
|
| 1141 |
|
|
3:PE2_in0 <= Intra_mbAddrB_window1;
|
| 1142 |
|
|
2:PE2_in0 <= Intra_mbAddrB_window2;
|
| 1143 |
|
|
1:PE2_in0 <= Intra_mbAddrB_window3;
|
| 1144 |
|
|
default:PE2_in0 <= 0;
|
| 1145 |
|
|
endcase
|
| 1146 |
|
|
PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1147 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1148 |
|
|
PE2_full_bypass <= 1; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1149 |
|
|
end
|
| 1150 |
|
|
`Intra16x16_Horizontal: //---Horizontal---
|
| 1151 |
|
|
begin
|
| 1152 |
|
|
PE2_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window2:0;
|
| 1153 |
|
|
PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1154 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1155 |
|
|
PE2_full_bypass <= 1; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1156 |
|
|
end
|
| 1157 |
|
|
`Intra16x16_DC: //---DC---
|
| 1158 |
|
|
if (blk4x4_rec_counter == 0)
|
| 1159 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1160 |
|
|
4:begin // I2 + J2 + K2 + L2
|
| 1161 |
|
|
PE2_in0 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg8;
|
| 1162 |
|
|
PE2_in1 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg9;
|
| 1163 |
|
|
PE2_in2 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg10;
|
| 1164 |
|
|
PE2_in3 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg11;
|
| 1165 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 1; PE2_IsClip <= 0;
|
| 1166 |
|
|
PE2_full_bypass <= 0; PE2_round_value <= 0; PE2_shift_len <= 0; end
|
| 1167 |
|
|
3:begin // PE2 output + J1 + K1 + L1
|
| 1168 |
|
|
PE2_in0 <= PE2_out_reg;
|
| 1169 |
|
|
PE2_in1 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg9;
|
| 1170 |
|
|
PE2_in2 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg10;
|
| 1171 |
|
|
PE2_in3 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg11;
|
| 1172 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 1; PE2_IsClip <= 0;
|
| 1173 |
|
|
PE2_full_bypass <= 0; PE2_round_value <= 0; PE2_shift_len <= 0; end
|
| 1174 |
|
|
default:begin
|
| 1175 |
|
|
PE2_in0 <= 0; PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1176 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1177 |
|
|
PE2_full_bypass <= 0; PE2_round_value <= 0; PE2_shift_len <= 0; end
|
| 1178 |
|
|
endcase
|
| 1179 |
|
|
else
|
| 1180 |
|
|
begin
|
| 1181 |
|
|
PE2_in0 <= 0; PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1182 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1183 |
|
|
PE2_full_bypass <= 0; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1184 |
|
|
end
|
| 1185 |
|
|
`Intra16x16_Plane: //---plane---
|
| 1186 |
|
|
begin
|
| 1187 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 1188 |
|
|
//blk0,2,4,6,8,10,12,14,calc counter == 3'b100:PE2_in0 <= seed;
|
| 1189 |
|
|
//other cases :PE2_in0 <= left pixel output
|
| 1190 |
|
|
PE2_in0 <= (blk4x4_intra_calculate_counter == 4 && blk4x4_rec_counter[0] == 1'b0)?
|
| 1191 |
|
|
seed:PE2_out_reg;
|
| 1192 |
|
|
else
|
| 1193 |
|
|
PE2_in0 <= 0;
|
| 1194 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 1195 |
|
|
//blk0,2,8,10,calc counter == 3'b100:PE2_in1 <= c_ext x 2
|
| 1196 |
|
|
//other cases :PE2_in1 <= b_ext
|
| 1197 |
|
|
PE2_in1 <= (blk4x4_intra_calculate_counter == 4 && !blk4x4_rec_counter[2] && !blk4x4_rec_counter[0])?
|
| 1198 |
|
|
{c_ext[14:0],1'b0}:b_ext;
|
| 1199 |
|
|
else
|
| 1200 |
|
|
PE2_in1 <= 0;
|
| 1201 |
|
|
//blk0,2, 8,10,calc counter == 3'b100:PE2_in2 <= c_ext;
|
| 1202 |
|
|
//blk4,6,12,14,calc counter == 3'b100:PE2_in2 <= c_ext x 2;
|
| 1203 |
|
|
//other cases :PE2_in2 <= 0
|
| 1204 |
|
|
if (blk4x4_intra_calculate_counter == 3'b100 && !blk4x4_rec_counter[0])
|
| 1205 |
|
|
PE2_in2 <= (blk4x4_rec_counter[2])? {c_ext[14:0],1'b0}:c_ext;
|
| 1206 |
|
|
else
|
| 1207 |
|
|
PE2_in2 <= 0;
|
| 1208 |
|
|
PE2_in3 <= 0;
|
| 1209 |
|
|
PE2_IsShift <= 1'b0;
|
| 1210 |
|
|
PE2_IsStore <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 1211 |
|
|
PE2_IsClip <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 1212 |
|
|
PE2_full_bypass <= 1'b0;
|
| 1213 |
|
|
PE2_round_value <= (blk4x4_intra_calculate_counter != 0)? 5'd16:5'd0;
|
| 1214 |
|
|
PE2_shift_len <= (blk4x4_intra_calculate_counter != 0)? 3'd5 :3'd0;
|
| 1215 |
|
|
end
|
| 1216 |
|
|
endcase
|
| 1217 |
|
|
//Chroma
|
| 1218 |
|
|
else if (mb_type_general[3] == 1'b1 && blk4x4_rec_counter > 15)
|
| 1219 |
|
|
case (Intra_chroma_predmode)
|
| 1220 |
|
|
//--------------------
|
| 1221 |
|
|
//no PE2 for Chroma DC
|
| 1222 |
|
|
//2'b00:
|
| 1223 |
|
|
//--------------------
|
| 1224 |
|
|
`Intra_chroma_Horizontal: //---horizontal---
|
| 1225 |
|
|
begin
|
| 1226 |
|
|
PE2_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window2:0;
|
| 1227 |
|
|
PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1228 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1229 |
|
|
PE2_full_bypass <= 1; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1230 |
|
|
end
|
| 1231 |
|
|
`Intra_chroma_Vertical: //---vertical---
|
| 1232 |
|
|
begin
|
| 1233 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1234 |
|
|
4:PE2_in0 <= Intra_mbAddrB_window0;
|
| 1235 |
|
|
3:PE2_in0 <= Intra_mbAddrB_window1;
|
| 1236 |
|
|
2:PE2_in0 <= Intra_mbAddrB_window2;
|
| 1237 |
|
|
1:PE2_in0 <= Intra_mbAddrB_window3;
|
| 1238 |
|
|
default:PE2_in0 <= 0;
|
| 1239 |
|
|
endcase
|
| 1240 |
|
|
PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1241 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1242 |
|
|
PE2_full_bypass <= 1; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1243 |
|
|
end
|
| 1244 |
|
|
`Intra_chroma_Plane: //---plane---
|
| 1245 |
|
|
begin
|
| 1246 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 1247 |
|
|
//need seed, blk4x4 = 16 | 18 | 20 | 22
|
| 1248 |
|
|
//do not need seed,blk4x4 = 17 | 19 | 21 | 23
|
| 1249 |
|
|
PE2_in0 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 1250 |
|
|
seed:PE2_out_reg;
|
| 1251 |
|
|
else
|
| 1252 |
|
|
PE2_in0 <= 0;
|
| 1253 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 1254 |
|
|
PE2_in1 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 1255 |
|
|
c_ext:b_ext;
|
| 1256 |
|
|
else
|
| 1257 |
|
|
PE2_in1 <= 0;
|
| 1258 |
|
|
PE2_in2 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 1259 |
|
|
c_ext:0;
|
| 1260 |
|
|
PE2_in3 <= 0;
|
| 1261 |
|
|
PE2_IsShift <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 1262 |
|
|
1'b1:1'b0;
|
| 1263 |
|
|
PE2_IsStore <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 1264 |
|
|
PE2_IsClip <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 1265 |
|
|
PE2_full_bypass <= 1'b0;
|
| 1266 |
|
|
PE2_round_value <= (blk4x4_intra_calculate_counter != 0)? 5'd16:5'd0;
|
| 1267 |
|
|
PE2_shift_len <= (blk4x4_intra_calculate_counter != 0)? 3'd5 :3'd0;
|
| 1268 |
|
|
end
|
| 1269 |
|
|
default:
|
| 1270 |
|
|
begin
|
| 1271 |
|
|
PE2_in0 <= 0; PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1272 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1273 |
|
|
PE2_full_bypass <= 0; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1274 |
|
|
end
|
| 1275 |
|
|
endcase
|
| 1276 |
|
|
else
|
| 1277 |
|
|
begin
|
| 1278 |
|
|
PE2_in0 <= 0; PE2_in1 <= 0; PE2_in2 <= 0; PE2_in3 <= 0;
|
| 1279 |
|
|
PE2_IsShift <= 0; PE2_IsStore <= 0; PE2_IsClip <= 0;
|
| 1280 |
|
|
PE2_full_bypass <= 0; PE2_round_value <= 0; PE2_shift_len <= 0;
|
| 1281 |
|
|
end
|
| 1282 |
|
|
|
| 1283 |
|
|
//----
|
| 1284 |
|
|
//PE3 |
|
| 1285 |
|
|
//----
|
| 1286 |
|
|
always @ (mb_type_general or blk4x4_rec_counter or blk4x4_intra_calculate_counter
|
| 1287 |
|
|
or Intra4x4_predmode or Intra16x16_predmode or Intra_chroma_predmode
|
| 1288 |
|
|
or mbAddrA_availability or mbAddrB_availability
|
| 1289 |
|
|
or Intra_mbAddrA_window0 or Intra_mbAddrA_window1 or Intra_mbAddrA_window2 or Intra_mbAddrA_window3
|
| 1290 |
|
|
or Intra_mbAddrB_window0 or Intra_mbAddrB_window1 or Intra_mbAddrB_window2 or Intra_mbAddrB_window3
|
| 1291 |
|
|
or Intra_mbAddrC_window0 or Intra_mbAddrC_window1 or Intra_mbAddrC_window2 or Intra_mbAddrC_window3
|
| 1292 |
|
|
|
| 1293 |
|
|
or Intra_mbAddrA_reg12 or Intra_mbAddrA_reg13 or Intra_mbAddrA_reg14 or Intra_mbAddrA_reg15
|
| 1294 |
|
|
or Intra_mbAddrB_reg13 or Intra_mbAddrB_reg14 or Intra_mbAddrB_reg15
|
| 1295 |
|
|
or blk4x4_pred_output0 or blk4x4_pred_output4 or blk4x4_pred_output5
|
| 1296 |
|
|
or blk4x4_pred_output6 or blk4x4_pred_output8 or blk4x4_pred_output9
|
| 1297 |
|
|
or PE3_out_reg
|
| 1298 |
|
|
|
| 1299 |
|
|
or seed or b_ext or c_ext)
|
| 1300 |
|
|
//Intra 4x4
|
| 1301 |
|
|
if (mb_type_general[3:2] == 2'b11 && blk4x4_rec_counter < 16)
|
| 1302 |
|
|
case (Intra4x4_predmode)
|
| 1303 |
|
|
`Intra4x4_Vertical: //---Vertical---
|
| 1304 |
|
|
begin
|
| 1305 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1306 |
|
|
4:PE3_in0 <= Intra_mbAddrB_window0;
|
| 1307 |
|
|
3:PE3_in0 <= Intra_mbAddrB_window1;
|
| 1308 |
|
|
2:PE3_in0 <= Intra_mbAddrB_window2;
|
| 1309 |
|
|
1:PE3_in0 <= Intra_mbAddrB_window3;
|
| 1310 |
|
|
default:PE3_in0 <= 0;
|
| 1311 |
|
|
endcase
|
| 1312 |
|
|
PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1313 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1314 |
|
|
PE3_full_bypass <= 1; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1315 |
|
|
end
|
| 1316 |
|
|
`Intra4x4_Horizontal: //---Horizontal---
|
| 1317 |
|
|
begin
|
| 1318 |
|
|
PE3_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window3:0;
|
| 1319 |
|
|
PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1320 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1321 |
|
|
PE3_full_bypass <= 1; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1322 |
|
|
end
|
| 1323 |
|
|
//-------------
|
| 1324 |
|
|
//no PE2 for DC
|
| 1325 |
|
|
//4'b0010:
|
| 1326 |
|
|
//-------------
|
| 1327 |
|
|
`Intra4x4_Diagonal_Down_Left: //---diagonal down-left---
|
| 1328 |
|
|
begin
|
| 1329 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1330 |
|
|
4:begin PE3_in0 <= Intra_mbAddrB_window3; PE3_in1 <= Intra_mbAddrC_window1;
|
| 1331 |
|
|
PE3_in2 <= Intra_mbAddrC_window0; end
|
| 1332 |
|
|
3:begin PE3_in0 <= Intra_mbAddrC_window0; PE3_in1 <= Intra_mbAddrC_window2;
|
| 1333 |
|
|
PE3_in2 <= Intra_mbAddrC_window1; end
|
| 1334 |
|
|
2:begin PE3_in0 <= Intra_mbAddrC_window1; PE3_in1 <= Intra_mbAddrC_window3;
|
| 1335 |
|
|
PE3_in2 <= Intra_mbAddrC_window2; end
|
| 1336 |
|
|
1:begin PE3_in0 <= Intra_mbAddrC_window2; PE3_in1 <= Intra_mbAddrC_window3;
|
| 1337 |
|
|
PE3_in2 <= Intra_mbAddrC_window3; end
|
| 1338 |
|
|
default:begin PE3_in0 <= 0;PE3_in1 <= 0;PE3_in2 <= 0; end
|
| 1339 |
|
|
endcase
|
| 1340 |
|
|
PE3_in3 <= 0;
|
| 1341 |
|
|
PE3_IsShift <= (blk4x4_intra_calculate_counter == 0)? 1'b0:1'b1;
|
| 1342 |
|
|
PE3_IsStore <= 1'b0; PE3_IsClip <= 1'b0; PE3_full_bypass <= 1'b0;
|
| 1343 |
|
|
PE3_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'd0:5'd2; // +2
|
| 1344 |
|
|
PE3_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'd0:3'd2; // >>2
|
| 1345 |
|
|
end
|
| 1346 |
|
|
`Intra4x4_Diagonal_Down_Right: //---diagonal down-right---
|
| 1347 |
|
|
begin
|
| 1348 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1349 |
|
|
4:PE3_in0 <= Intra_mbAddrA_window1;
|
| 1350 |
|
|
3:PE3_in0 <= blk4x4_pred_output8;
|
| 1351 |
|
|
2:PE3_in0 <= blk4x4_pred_output4;
|
| 1352 |
|
|
1:PE3_in0 <= blk4x4_pred_output0;
|
| 1353 |
|
|
default:PE3_in0 <= 0;
|
| 1354 |
|
|
endcase
|
| 1355 |
|
|
PE3_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window3:0;
|
| 1356 |
|
|
PE3_in2 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window2:0;
|
| 1357 |
|
|
PE3_in3 <= 0;
|
| 1358 |
|
|
PE3_IsShift <= (blk4x4_intra_calculate_counter == 0)? 1'b0:1'b1;
|
| 1359 |
|
|
PE3_IsStore <= 1'b0; PE3_IsClip <= 1'b0;
|
| 1360 |
|
|
PE3_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 1361 |
|
|
PE3_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'd0:5'd2; // +2
|
| 1362 |
|
|
PE3_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'd0:3'd2; // >>2
|
| 1363 |
|
|
end
|
| 1364 |
|
|
`Intra4x4_Vertical_Right: //---vertical right---
|
| 1365 |
|
|
begin
|
| 1366 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1367 |
|
|
4:PE3_in0 <= Intra_mbAddrA_window0;
|
| 1368 |
|
|
3:PE3_in0 <= blk4x4_pred_output4;
|
| 1369 |
|
|
2:PE3_in0 <= blk4x4_pred_output5;
|
| 1370 |
|
|
1:PE3_in0 <= blk4x4_pred_output6;
|
| 1371 |
|
|
default:PE3_in0 <= 0;
|
| 1372 |
|
|
endcase
|
| 1373 |
|
|
PE3_in1 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window2:0;
|
| 1374 |
|
|
PE3_in2 <= (blk4x4_intra_calculate_counter == 4)? Intra_mbAddrA_window1:0;
|
| 1375 |
|
|
PE3_in3 <= 0;
|
| 1376 |
|
|
PE3_IsShift <= (blk4x4_intra_calculate_counter == 0)? 1'b0:1'b1;
|
| 1377 |
|
|
PE3_IsStore <= 1'b0; PE3_IsClip <= 1'b0;
|
| 1378 |
|
|
PE3_full_bypass <= (blk4x4_intra_calculate_counter == 4)? 1'b0:1'b1;
|
| 1379 |
|
|
PE3_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'd0:5'd2; // +2
|
| 1380 |
|
|
PE3_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'd0:3'd2; // >>2
|
| 1381 |
|
|
end
|
| 1382 |
|
|
`Intra4x4_Horizontal_Down: //---horizontal down---
|
| 1383 |
|
|
begin
|
| 1384 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1385 |
|
|
4:PE3_in0 <= Intra_mbAddrA_window2;
|
| 1386 |
|
|
3:PE3_in0 <= Intra_mbAddrA_window1;
|
| 1387 |
|
|
2:PE3_in0 <= blk4x4_pred_output8;
|
| 1388 |
|
|
1:PE3_in0 <= blk4x4_pred_output9;
|
| 1389 |
|
|
default:PE3_in0 <= 0;
|
| 1390 |
|
|
endcase
|
| 1391 |
|
|
PE3_in1 <= (blk4x4_intra_calculate_counter == 4 || blk4x4_intra_calculate_counter == 3)?
|
| 1392 |
|
|
Intra_mbAddrA_window3:0;
|
| 1393 |
|
|
PE3_in2 <= (blk4x4_intra_calculate_counter == 3)? Intra_mbAddrA_window2:0;
|
| 1394 |
|
|
PE3_in3 <= 0;
|
| 1395 |
|
|
PE3_IsShift <= (blk4x4_intra_calculate_counter == 3)? 1'b1:1'b0;
|
| 1396 |
|
|
PE3_IsStore <= 1'b0; PE3_IsClip <= 1'b0;
|
| 1397 |
|
|
PE3_full_bypass <= (blk4x4_intra_calculate_counter == 2 ||
|
| 1398 |
|
|
blk4x4_intra_calculate_counter == 1)? 1'b1:1'b0;
|
| 1399 |
|
|
PE3_round_value <= (blk4x4_intra_calculate_counter == 4)? 5'd1:
|
| 1400 |
|
|
(blk4x4_intra_calculate_counter == 3)? 5'd2:5'd0;
|
| 1401 |
|
|
PE3_shift_len <= (blk4x4_intra_calculate_counter == 4)? 3'd1:
|
| 1402 |
|
|
(blk4x4_intra_calculate_counter == 3)? 3'd2:3'd0;
|
| 1403 |
|
|
end
|
| 1404 |
|
|
`Intra4x4_Vertical_Left: //---vertical left---
|
| 1405 |
|
|
begin
|
| 1406 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1407 |
|
|
4:begin PE3_in0 <= Intra_mbAddrB_window1; PE3_in1 <= Intra_mbAddrB_window3;
|
| 1408 |
|
|
PE3_in2 <= Intra_mbAddrB_window2; end
|
| 1409 |
|
|
3:begin PE3_in0 <= Intra_mbAddrB_window2; PE3_in1 <= Intra_mbAddrC_window0;
|
| 1410 |
|
|
PE3_in2 <= Intra_mbAddrB_window3; end
|
| 1411 |
|
|
2:begin PE3_in0 <= Intra_mbAddrB_window3; PE3_in1 <= Intra_mbAddrC_window1;
|
| 1412 |
|
|
PE3_in2 <= Intra_mbAddrC_window0; end
|
| 1413 |
|
|
1:begin PE3_in0 <= Intra_mbAddrC_window0; PE3_in1 <= Intra_mbAddrC_window2;
|
| 1414 |
|
|
PE3_in2 <= Intra_mbAddrC_window1; end
|
| 1415 |
|
|
default:begin PE3_in0 <= 0;PE3_in1 <= 0;PE3_in2 <= 0; end
|
| 1416 |
|
|
endcase
|
| 1417 |
|
|
PE3_in3 <= 0;
|
| 1418 |
|
|
PE3_IsShift <= (blk4x4_intra_calculate_counter == 0)? 1'b0:1'b1;
|
| 1419 |
|
|
PE3_IsStore <= 1'b0; PE3_IsClip <= 1'b0; PE3_full_bypass <= 1'b0;
|
| 1420 |
|
|
PE3_round_value <= (blk4x4_intra_calculate_counter == 0)? 5'd0:5'd2; // +2
|
| 1421 |
|
|
PE3_shift_len <= (blk4x4_intra_calculate_counter == 0)? 3'd0:3'd2; // >>2
|
| 1422 |
|
|
end
|
| 1423 |
|
|
`Intra4x4_Horizontal_Up: //---horizontal up---
|
| 1424 |
|
|
begin
|
| 1425 |
|
|
PE3_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window3:0;
|
| 1426 |
|
|
PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1427 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1428 |
|
|
PE3_full_bypass <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 1429 |
|
|
PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1430 |
|
|
end
|
| 1431 |
|
|
default:
|
| 1432 |
|
|
begin
|
| 1433 |
|
|
PE3_in0 <= 0; PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1434 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1435 |
|
|
PE3_full_bypass <= 0; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1436 |
|
|
end
|
| 1437 |
|
|
endcase
|
| 1438 |
|
|
//Intra16x16
|
| 1439 |
|
|
else if (mb_type_general[3:2] == 2'b10 && blk4x4_rec_counter < 16)
|
| 1440 |
|
|
case (Intra16x16_predmode)
|
| 1441 |
|
|
`Intra16x16_Vertical: //---Vertical---
|
| 1442 |
|
|
begin
|
| 1443 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1444 |
|
|
4:PE3_in0 <= Intra_mbAddrB_window0;
|
| 1445 |
|
|
3:PE3_in0 <= Intra_mbAddrB_window1;
|
| 1446 |
|
|
2:PE3_in0 <= Intra_mbAddrB_window2;
|
| 1447 |
|
|
1:PE3_in0 <= Intra_mbAddrB_window3;
|
| 1448 |
|
|
default:PE3_in0 <= 0;
|
| 1449 |
|
|
endcase
|
| 1450 |
|
|
PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1451 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1452 |
|
|
PE3_full_bypass <= 1; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1453 |
|
|
end
|
| 1454 |
|
|
`Intra16x16_Horizontal: //---Horizontal---
|
| 1455 |
|
|
begin
|
| 1456 |
|
|
PE3_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window3:0;
|
| 1457 |
|
|
PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1458 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1459 |
|
|
PE3_full_bypass <= 1; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1460 |
|
|
end
|
| 1461 |
|
|
`Intra16x16_DC: //---DC---
|
| 1462 |
|
|
if (blk4x4_rec_counter == 0)
|
| 1463 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1464 |
|
|
4:begin // M2 + N2 + O2 + P2
|
| 1465 |
|
|
PE3_in0 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg12;
|
| 1466 |
|
|
PE3_in1 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg13;
|
| 1467 |
|
|
PE3_in2 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg14;
|
| 1468 |
|
|
PE3_in3 <= (mbAddrA_availability == 0)? 0:Intra_mbAddrA_reg15;
|
| 1469 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 1; PE3_IsClip <= 0;
|
| 1470 |
|
|
PE3_full_bypass <= 0; PE3_round_value <= 0; PE3_shift_len <= 0; end
|
| 1471 |
|
|
3:begin // PE3 output + N1 + O1 + P1
|
| 1472 |
|
|
PE3_in0 <= PE3_out_reg;
|
| 1473 |
|
|
PE3_in1 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg13;
|
| 1474 |
|
|
PE3_in2 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg14;
|
| 1475 |
|
|
PE3_in3 <= (mbAddrB_availability == 0)? 0:Intra_mbAddrB_reg15;
|
| 1476 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 1; PE3_IsClip <= 0;
|
| 1477 |
|
|
PE3_full_bypass <= 0; PE3_round_value <= 0; PE3_shift_len <= 0; end
|
| 1478 |
|
|
default:begin
|
| 1479 |
|
|
PE3_in0 <= 0; PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1480 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1481 |
|
|
PE3_full_bypass <= 0; PE3_round_value <= 0; PE3_shift_len <= 0; end
|
| 1482 |
|
|
endcase
|
| 1483 |
|
|
else
|
| 1484 |
|
|
begin
|
| 1485 |
|
|
PE3_in0 <= 0; PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1486 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1487 |
|
|
PE3_full_bypass <= 0; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1488 |
|
|
end
|
| 1489 |
|
|
`Intra16x16_Plane: //---plane---
|
| 1490 |
|
|
begin
|
| 1491 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 1492 |
|
|
//blk0,2,4,6,8,10,12,14,calc counter == 3'b100:PE3_in0 <= seed;
|
| 1493 |
|
|
//other cases :PE3_in0 <= left pixel output
|
| 1494 |
|
|
PE3_in0 <= (blk4x4_intra_calculate_counter == 4 && blk4x4_rec_counter[0] == 1'b0)?
|
| 1495 |
|
|
seed:PE3_out_reg;
|
| 1496 |
|
|
else
|
| 1497 |
|
|
PE3_in0 <= 0;
|
| 1498 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 1499 |
|
|
//blk0,2,8,10,calc counter == 3'b100:PE3_in1 <= c_ext x 4
|
| 1500 |
|
|
//other cases :PE3_in1 <= b_ext
|
| 1501 |
|
|
PE3_in1 <= (blk4x4_intra_calculate_counter == 4 && !blk4x4_rec_counter[2] && !blk4x4_rec_counter[0])?
|
| 1502 |
|
|
{c_ext[13:0],2'b0}:b_ext;
|
| 1503 |
|
|
else
|
| 1504 |
|
|
PE3_in1 <= 0;
|
| 1505 |
|
|
//blk4,6,12,14,calc counter == 3'b100:PE3_in2 <= c_ext x 2;
|
| 1506 |
|
|
//other cases :PE3_in2 <= 0
|
| 1507 |
|
|
PE3_in2 <= (blk4x4_intra_calculate_counter == 3'b100 && blk4x4_rec_counter[2] && !blk4x4_rec_counter[0])?
|
| 1508 |
|
|
{c_ext[14:0],1'b0}:0;
|
| 1509 |
|
|
//blk4,6,12,14,calc counter == 3'b100:PE3_in3 <= c_ext;
|
| 1510 |
|
|
//other cases :PE3_in3 <= 0
|
| 1511 |
|
|
PE3_in3 <= (blk4x4_intra_calculate_counter == 3'b100 && blk4x4_rec_counter[2] && !blk4x4_rec_counter[0])?
|
| 1512 |
|
|
c_ext:0;
|
| 1513 |
|
|
PE3_IsShift <= 1'b0;
|
| 1514 |
|
|
PE3_IsStore <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 1515 |
|
|
PE3_IsClip <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 1516 |
|
|
PE3_full_bypass <= 1'b0;
|
| 1517 |
|
|
PE3_round_value <= (blk4x4_intra_calculate_counter != 0)? 5'd16:5'd0;
|
| 1518 |
|
|
PE3_shift_len <= (blk4x4_intra_calculate_counter != 0)? 3'd5 :3'd0;
|
| 1519 |
|
|
end
|
| 1520 |
|
|
endcase
|
| 1521 |
|
|
//Chroma
|
| 1522 |
|
|
else if (mb_type_general[3] == 1'b1 && blk4x4_rec_counter > 15)
|
| 1523 |
|
|
case (Intra_chroma_predmode)
|
| 1524 |
|
|
//--------------------
|
| 1525 |
|
|
//no PE2 for Chroma DC
|
| 1526 |
|
|
//2'b00:
|
| 1527 |
|
|
//--------------------
|
| 1528 |
|
|
`Intra_chroma_Horizontal: //---horizontal---
|
| 1529 |
|
|
begin
|
| 1530 |
|
|
PE3_in0 <= (blk4x4_intra_calculate_counter != 0)? Intra_mbAddrA_window3:0;
|
| 1531 |
|
|
PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1532 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1533 |
|
|
PE3_full_bypass <= 1; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1534 |
|
|
end
|
| 1535 |
|
|
`Intra_chroma_Vertical: //---vertical---
|
| 1536 |
|
|
begin
|
| 1537 |
|
|
case (blk4x4_intra_calculate_counter)
|
| 1538 |
|
|
4:PE3_in0 <= Intra_mbAddrB_window0;
|
| 1539 |
|
|
3:PE3_in0 <= Intra_mbAddrB_window1;
|
| 1540 |
|
|
2:PE3_in0 <= Intra_mbAddrB_window2;
|
| 1541 |
|
|
1:PE3_in0 <= Intra_mbAddrB_window3;
|
| 1542 |
|
|
default:PE3_in0 <= 0;
|
| 1543 |
|
|
endcase
|
| 1544 |
|
|
PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1545 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1546 |
|
|
PE3_full_bypass <= 1; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1547 |
|
|
end
|
| 1548 |
|
|
`Intra_chroma_Plane: //---plane---
|
| 1549 |
|
|
begin
|
| 1550 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 1551 |
|
|
//need seed, blk4x4 = 16 | 18 | 20 | 22
|
| 1552 |
|
|
//do not need seed,blk4x4 = 17 | 19 | 21 | 23
|
| 1553 |
|
|
PE3_in0 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 1554 |
|
|
seed:PE3_out_reg;
|
| 1555 |
|
|
else
|
| 1556 |
|
|
PE3_in0 <= 0;
|
| 1557 |
|
|
if (blk4x4_intra_calculate_counter != 0)
|
| 1558 |
|
|
PE3_in1 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 1559 |
|
|
{c_ext[14:0],1'b0}:b_ext;
|
| 1560 |
|
|
else
|
| 1561 |
|
|
PE3_in1 <= 0;
|
| 1562 |
|
|
PE3_in2 <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 1563 |
|
|
c_ext:0;
|
| 1564 |
|
|
PE3_in3 <= 0;
|
| 1565 |
|
|
PE3_IsShift <= (blk4x4_rec_counter[0] == 1'b0 && blk4x4_intra_calculate_counter == 4)?
|
| 1566 |
|
|
1'b1:1'b0;
|
| 1567 |
|
|
PE3_IsStore <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 1568 |
|
|
PE3_IsClip <= (blk4x4_intra_calculate_counter != 0)? 1'b1:1'b0;
|
| 1569 |
|
|
PE3_full_bypass <= 1'b0;
|
| 1570 |
|
|
PE3_round_value <= (blk4x4_intra_calculate_counter != 0)? 5'd16:5'd0;
|
| 1571 |
|
|
PE3_shift_len <= (blk4x4_intra_calculate_counter != 0)? 3'd5 :3'd0;
|
| 1572 |
|
|
end
|
| 1573 |
|
|
default:
|
| 1574 |
|
|
begin
|
| 1575 |
|
|
PE3_in0 <= 0; PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1576 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1577 |
|
|
PE3_full_bypass <= 0; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1578 |
|
|
end
|
| 1579 |
|
|
endcase
|
| 1580 |
|
|
else
|
| 1581 |
|
|
begin
|
| 1582 |
|
|
PE3_in0 <= 0; PE3_in1 <= 0; PE3_in2 <= 0; PE3_in3 <= 0;
|
| 1583 |
|
|
PE3_IsShift <= 0; PE3_IsStore <= 0; PE3_IsClip <= 0;
|
| 1584 |
|
|
PE3_full_bypass <= 0; PE3_round_value <= 0; PE3_shift_len <= 0;
|
| 1585 |
|
|
end
|
| 1586 |
|
|
endmodule
|
| 1587 |
|
|
|
| 1588 |
|
|
module PE (clk,reset_n,in0,in1,in2,in3,IsShift,IsStore,IsClip,full_bypass,round_value,shift_len,
|
| 1589 |
|
|
PE_out_reg,PE_out,sum_out);
|
| 1590 |
|
|
input clk,reset_n;
|
| 1591 |
|
|
input [15:0] in0,in1,in2,in3;
|
| 1592 |
|
|
input IsShift;
|
| 1593 |
|
|
input IsStore;
|
| 1594 |
|
|
input IsClip;
|
| 1595 |
|
|
input full_bypass;
|
| 1596 |
|
|
input [4:0] round_value;
|
| 1597 |
|
|
input [2:0] shift_len;
|
| 1598 |
|
|
|
| 1599 |
|
|
|
| 1600 |
|
|
output [15:0] PE_out_reg;
|
| 1601 |
|
|
output [7:0] PE_out;
|
| 1602 |
|
|
output [15:0] sum_out;
|
| 1603 |
|
|
reg [15:0] PE_out_reg;
|
| 1604 |
|
|
|
| 1605 |
|
|
wire [15:0] sum1;
|
| 1606 |
|
|
wire [15:0] sum2;
|
| 1607 |
|
|
wire [16:0] round_tmp;
|
| 1608 |
|
|
wire [15:0] round_out;
|
| 1609 |
|
|
wire [7:0] clip_out;
|
| 1610 |
|
|
|
| 1611 |
|
|
assign sum1 = (full_bypass)? 0:(in0 + in1);
|
| 1612 |
|
|
assign sum2 = (full_bypass)? 0:((IsShift)? {in2[14:0],1'b0}:(in2 + in3));
|
| 1613 |
|
|
assign sum_out = (full_bypass)? 0:(sum1 + sum2);
|
| 1614 |
|
|
|
| 1615 |
|
|
always @ (posedge clk)
|
| 1616 |
|
|
if (reset_n == 1'b0)
|
| 1617 |
|
|
PE_out_reg <= 0;
|
| 1618 |
|
|
else if (IsStore)
|
| 1619 |
|
|
PE_out_reg <= sum_out;
|
| 1620 |
|
|
|
| 1621 |
|
|
assign round_tmp = sum_out + round_value;
|
| 1622 |
|
|
assign round_out = round_tmp >> shift_len;
|
| 1623 |
|
|
assign clip_out = (IsClip)? ((round_out[15] == 1'b1)? 8'd0:((round_out[15:8] == 0)? round_out[7:0]:8'd255))
|
| 1624 |
|
|
:round_out[7:0];
|
| 1625 |
|
|
assign PE_out = (full_bypass)? in0[7:0]:clip_out;
|
| 1626 |
|
|
endmodule
|
