inter_pred_sliding_window.v

a H.264/AVC Baseline Decoder

		or Inter_ref_00_05 or Inter_ref_01_05 or Inter_ref_02_05 or Inter_ref_03_05
		or Inter_ref_04_05 or Inter_ref_05_05 or Inter_ref_06_05 or Inter_ref_07_05
		or Inter_ref_08_05 or Inter_ref_09_05 or Inter_ref_10_05 or Inter_ref_11_05 or Inter_ref_12_05
		
		or Inter_ref_00_06 or Inter_ref_01_06 or Inter_ref_02_06 or Inter_ref_03_06
		or Inter_ref_04_06 or Inter_ref_05_06 or Inter_ref_06_06 or Inter_ref_07_06
		or Inter_ref_08_06 or Inter_ref_09_06 or Inter_ref_10_06 or Inter_ref_11_06 or Inter_ref_12_06
		
		or Inter_ref_00_07 or Inter_ref_01_07 or Inter_ref_02_07 or Inter_ref_03_07
		or Inter_ref_04_07 or Inter_ref_05_07 or Inter_ref_06_07 or Inter_ref_07_07
		or Inter_ref_08_07 or Inter_ref_09_07 or Inter_ref_10_07 or Inter_ref_11_07 or Inter_ref_12_07
		
		or Inter_ref_00_08 or Inter_ref_01_08 or Inter_ref_02_08 or Inter_ref_03_08
		or Inter_ref_04_08 or Inter_ref_05_08 or Inter_ref_06_08 or Inter_ref_07_08
		or Inter_ref_08_08 or Inter_ref_09_08 or Inter_ref_10_08 or Inter_ref_11_08 or Inter_ref_12_08
		
		or Inter_ref_00_09 or Inter_ref_01_09 or Inter_ref_02_09 or Inter_ref_03_09
		or Inter_ref_04_09 or Inter_ref_05_09 or Inter_ref_06_09 or Inter_ref_07_09
		or Inter_ref_08_09 or Inter_ref_09_09 or Inter_ref_10_09 or Inter_ref_11_09 or Inter_ref_12_09
		
		or Inter_ref_00_10 or Inter_ref_01_10 or Inter_ref_02_10 or Inter_ref_03_10
		or Inter_ref_04_10 or Inter_ref_05_10 or Inter_ref_06_10 or Inter_ref_07_10
		or Inter_ref_08_10 or Inter_ref_09_10 or Inter_ref_10_10 or Inter_ref_11_10 or Inter_ref_12_10
		)
		case ({Is_blk4x4_0,Is_blk4x4_1,Is_blk4x4_2,Is_blk4x4_3}) 
			4'b1000: //Left top blk4x4
			case (Inter_H_window_counter1)
				3'd4:
				if (pos_FracL == `pos_p || pos_FracL == `pos_r)
					begin
						Inter_H_window_0_2 <= Inter_ref_00_03;Inter_H_window_1_2 <= Inter_ref_01_03;
						Inter_H_window_2_2 <= Inter_ref_02_03;Inter_H_window_3_2 <= Inter_ref_03_03;
						Inter_H_window_4_2 <= Inter_ref_04_03;Inter_H_window_5_2 <= Inter_ref_05_03;
							
						Inter_H_window_0_3 <= Inter_ref_00_04;Inter_H_window_1_3 <= Inter_ref_01_04;
						Inter_H_window_2_3 <= Inter_ref_02_04;Inter_H_window_3_3 <= Inter_ref_03_04;
						Inter_H_window_4_3 <= Inter_ref_04_04;Inter_H_window_5_3 <= Inter_ref_05_04;
						
						Inter_H_window_0_4 <= Inter_ref_00_05;Inter_H_window_1_4 <= Inter_ref_01_05;
						Inter_H_window_2_4 <= Inter_ref_02_05;Inter_H_window_3_4 <= Inter_ref_03_05;
						Inter_H_window_4_4 <= Inter_ref_04_05;Inter_H_window_5_4 <= Inter_ref_05_05;
							
						Inter_H_window_0_5 <= Inter_ref_00_06;Inter_H_window_1_5 <= Inter_ref_01_06;
						Inter_H_window_2_5 <= Inter_ref_02_06;Inter_H_window_3_5 <= Inter_ref_03_06;
						Inter_H_window_4_5 <= Inter_ref_04_06;Inter_H_window_5_5 <= Inter_ref_05_06;
					end
				else
					begin
						Inter_H_window_0_2 <= Inter_ref_00_02;Inter_H_window_1_2 <= Inter_ref_01_02;
						Inter_H_window_2_2 <= Inter_ref_02_02;Inter_H_window_3_2 <= Inter_ref_03_02;
						Inter_H_window_4_2 <= Inter_ref_04_02;Inter_H_window_5_2 <= Inter_ref_05_02;
							
						Inter_H_window_0_3 <= Inter_ref_00_03;Inter_H_window_1_3 <= Inter_ref_01_03;
						Inter_H_window_2_3 <= Inter_ref_02_03;Inter_H_window_3_3 <= Inter_ref_03_03;
						Inter_H_window_4_3 <= Inter_ref_04_03;Inter_H_window_5_3 <= Inter_ref_05_03;
						
						Inter_H_window_0_4 <= Inter_ref_00_04;Inter_H_window_1_4 <= Inter_ref_01_04;
						Inter_H_window_2_4 <= Inter_ref_02_04;Inter_H_window_3_4 <= Inter_ref_03_04;
						Inter_H_window_4_4 <= Inter_ref_04_04;Inter_H_window_5_4 <= Inter_ref_05_04;
							
						Inter_H_window_0_5 <= Inter_ref_00_05;Inter_H_window_1_5 <= Inter_ref_01_05;
						Inter_H_window_2_5 <= Inter_ref_02_05;Inter_H_window_3_5 <= Inter_ref_03_05;
						Inter_H_window_4_5 <= Inter_ref_04_05;Inter_H_window_5_5 <= Inter_ref_05_05;
					end
				3'd3:
				if (pos_FracL == `pos_p || pos_FracL == `pos_r)
					begin
						Inter_H_window_0_2 <= Inter_ref_01_03;Inter_H_window_1_2 <= Inter_ref_02_03;
						Inter_H_window_2_2 <= Inter_ref_03_03;Inter_H_window_3_2 <= Inter_ref_04_03;
						Inter_H_window_4_2 <= Inter_ref_05_03;Inter_H_window_5_2 <= Inter_ref_06_03;
							
						Inter_H_window_0_3 <= Inter_ref_01_04;Inter_H_window_1_3 <= Inter_ref_02_04;
						Inter_H_window_2_3 <= Inter_ref_03_04;Inter_H_window_3_3 <= Inter_ref_04_04;
						Inter_H_window_4_3 <= Inter_ref_05_04;Inter_H_window_5_3 <= Inter_ref_06_04;
						
						Inter_H_window_0_4 <= Inter_ref_01_05;Inter_H_window_1_4 <= Inter_ref_02_05;
						Inter_H_window_2_4 <= Inter_ref_03_05;Inter_H_window_3_4 <= Inter_ref_04_05;
						Inter_H_window_4_4 <= Inter_ref_05_05;Inter_H_window_5_4 <= Inter_ref_06_05;
							
						Inter_H_window_0_5 <= Inter_ref_01_06;Inter_H_window_1_5 <= Inter_ref_02_06;
						Inter_H_window_2_5 <= Inter_ref_03_06;Inter_H_window_3_5 <= Inter_ref_04_06;
						Inter_H_window_4_5 <= Inter_ref_05_06;Inter_H_window_5_5 <= Inter_ref_06_06;
					end
				else
					begin
						Inter_H_window_0_2 <= Inter_ref_01_02;Inter_H_window_1_2 <= Inter_ref_02_02;
						Inter_H_window_2_2 <= Inter_ref_03_02;Inter_H_window_3_2 <= Inter_ref_04_02;
						Inter_H_window_4_2 <= Inter_ref_05_02;Inter_H_window_5_2 <= Inter_ref_06_02;
							
						Inter_H_window_0_3 <= Inter_ref_01_03;Inter_H_window_1_3 <= Inter_ref_02_03;
						Inter_H_window_2_3 <= Inter_ref_03_03;Inter_H_window_3_3 <= Inter_ref_04_03;
						Inter_H_window_4_3 <= Inter_ref_05_03;Inter_H_window_5_3 <= Inter_ref_06_03;
						
						Inter_H_window_0_4 <= Inter_ref_01_04;Inter_H_window_1_4 <= Inter_ref_02_04;
						Inter_H_window_2_4 <= Inter_ref_03_04;Inter_H_window_3_4 <= Inter_ref_04_04;
						Inter_H_window_4_4 <= Inter_ref_05_04;Inter_H_window_5_4 <= Inter_ref_06_04;
							
						Inter_H_window_0_5 <= Inter_ref_01_05;Inter_H_window_1_5 <= Inter_ref_02_05;
						Inter_H_window_2_5 <= Inter_ref_03_05;Inter_H_window_3_5 <= Inter_ref_04_05;
						Inter_H_window_4_5 <= Inter_ref_05_05;Inter_H_window_5_5 <= Inter_ref_06_05;
					end
				3'd2:
				if (pos_FracL == `pos_p || pos_FracL == `pos_r)
					begin
						Inter_H_window_0_2 <= Inter_ref_02_03;Inter_H_window_1_2 <= Inter_ref_03_03;
						Inter_H_window_2_2 <= Inter_ref_04_03;Inter_H_window_3_2 <= Inter_ref_05_03;
						Inter_H_window_4_2 <= Inter_ref_06_03;Inter_H_window_5_2 <= Inter_ref_07_03;
							
						Inter_H_window_0_3 <= Inter_ref_02_04;Inter_H_window_1_3 <= Inter_ref_03_04;
						Inter_H_window_2_3 <= Inter_ref_04_04;Inter_H_window_3_3 <= Inter_ref_05_04;
						Inter_H_window_4_3 <= Inter_ref_06_04;Inter_H_window_5_3 <= Inter_ref_07_04;
						
						Inter_H_window_0_4 <= Inter_ref_02_05;Inter_H_window_1_4 <= Inter_ref_03_05;
						Inter_H_window_2_4 <= Inter_ref_04_05;Inter_H_window_3_4 <= Inter_ref_05_05;
						Inter_H_window_4_4 <= Inter_ref_06_05;Inter_H_window_5_4 <= Inter_ref_07_05;
							
						Inter_H_window_0_5 <= Inter_ref_02_06;Inter_H_window_1_5 <= Inter_ref_03_06;
						Inter_H_window_2_5 <= Inter_ref_04_06;Inter_H_window_3_5 <= Inter_ref_05_06;
						Inter_H_window_4_5 <= Inter_ref_06_06;Inter_H_window_5_5 <= Inter_ref_07_06;
					end
				else
					begin
						Inter_H_window_0_2 <= Inter_ref_02_02;Inter_H_window_1_2 <= Inter_ref_03_02;
						Inter_H_window_2_2 <= Inter_ref_04_02;Inter_H_window_3_2 <= Inter_ref_05_02;
						Inter_H_window_4_2 <= Inter_ref_06_02;Inter_H_window_5_2 <= Inter_ref_07_02;
							
						Inter_H_window_0_3 <= Inter_ref_02_03;Inter_H_window_1_3 <= Inter_ref_03_03;
						Inter_H_window_2_3 <= Inter_ref_04_03;Inter_H_window_3_3 <= Inter_ref_05_03;
						Inter_H_window_4_3 <= Inter_ref_06_03;Inter_H_window_5_3 <= Inter_ref_07_03;
						
						Inter_H_window_0_4 <= Inter_ref_02_04;Inter_H_window_1_4 <= Inter_ref_03_04;
						Inter_H_window_2_4 <= Inter_ref_04_04;Inter_H_window_3_4 <= Inter_ref_05_04;
						Inter_H_window_4_4 <= Inter_ref_06_04;Inter_H_window_5_4 <= Inter_ref_07_04;
							
						Inter_H_window_0_5 <= Inter_ref_02_05;Inter_H_window_1_5 <= Inter_ref_03_05;
						Inter_H_window_2_5 <= Inter_ref_04_05;Inter_H_window_3_5 <= Inter_ref_05_05;
						Inter_H_window_4_5 <= Inter_ref_06_05;Inter_H_window_5_5 <= Inter_ref_07_05;
					end	
				3'd1:
				if (pos_FracL == `pos_p || pos_FracL == `pos_r)
					begin
						Inter_H_window_0_2 <= Inter_ref_03_03;Inter_H_window_1_2 <= Inter_ref_04_03;
						Inter_H_window_2_2 <= Inter_ref_05_03;Inter_H_window_3_2 <= Inter_ref_06_03;
						Inter_H_window_4_2 <= Inter_ref_07_03;Inter_H_window_5_2 <= Inter_ref_08_03;
							
						Inter_H_window_0_3 <= Inter_ref_03_04;Inter_H_window_1_3 <= Inter_ref_04_04;
						Inter_H_window_2_3 <= Inter_ref_05_04;Inter_H_window_3_3 <= Inter_ref_06_04;
						Inter_H_window_4_3 <= Inter_ref_07_04;Inter_H_window_5_3 <= Inter_ref_08_04;
						
						Inter_H_window_0_4 <= Inter_ref_03_05;Inter_H_window_1_4 <= Inter_ref_04_05;
						Inter_H_window_2_4 <= Inter_ref_05_05;Inter_H_window_3_4 <= Inter_ref_06_05;
						Inter_H_window_4_4 <= Inter_ref_07_05;Inter_H_window_5_4 <= Inter_ref_08_05;
							
						Inter_H_window_0_5 <= Inter_ref_03_06;Inter_H_window_1_5 <= Inter_ref_04_06;
						Inter_H_window_2_5 <= Inter_ref_05_06;Inter_H_window_3_5 <= Inter_ref_06_06;
						Inter_H_window_4_5 <= Inter_ref_07_06;Inter_H_window_5_5 <= Inter_ref_08_06;
					end
				else
					begin
						Inter_H_window_0_2 <= Inter_ref_03_02;Inter_H_window_1_2 <= Inter_ref_04_02;
						Inter_H_window_2_2 <= Inter_ref_05_02;Inter_H_window_3_2 <= Inter_ref_06_02;
						Inter_H_window_4_2 <= Inter_ref_07_02;Inter_H_window_5_2 <= Inter_ref_08_02;
							
						Inter_H_window_0_3 <= Inter_ref_03_03;Inter_H_window_1_3 <= Inter_ref_04_03;
						Inter_H_window_2_3 <= Inter_ref_05_03;Inter_H_window_3_3 <= Inter_ref_06_03;
						Inter_H_window_4_3 <= Inter_ref_07_03;Inter_H_window_5_3 <= Inter_ref_08_03;
						
						Inter_H_window_0_4 <= Inter_ref_03_04;Inter_H_window_1_4 <= Inter_ref_04_04;
						Inter_H_window_2_4 <= Inter_ref_05_04;Inter_H_window_3_4 <= Inter_ref_06_04;
						Inter_H_window_4_4 <= Inter_ref_07_04;Inter_H_window_5_4 <= Inter_ref_08_04;
							
						Inter_H_window_0_5 <= Inter_ref_03_05;Inter_H_window_1_5 <= Inter_ref_04_05;
						Inter_H_window_2_5 <= Inter_ref_05_05;Inter_H_window_3_5 <= Inter_ref_06_05;
						Inter_H_window_4_5 <= Inter_ref_07_05;Inter_H_window_5_5 <= Inter_ref_08_05;
					end
				default:
				begin
					Inter_H_window_0_2 <= 0;Inter_H_window_1_2 <= 0;Inter_H_window_2_2 <= 0;
					Inter_H_window_3_2 <= 0;Inter_H_window_4_2 <= 0;Inter_H_window_5_2 <= 0;
						
					Inter_H_window_0_3 <= 0;Inter_H_window_1_3 <= 0;Inter_H_window_2_3 <= 0;
					Inter_H_window_3_3 <= 0;Inter_H_window_4_3 <= 0;Inter_H_window_5_3 <= 0;
						
					Inter_H_window_0_4 <= 0;Inter_H_window_1_4 <= 0;Inter_H_window_2_4 <= 0;
					Inter_H_window_3_4 <= 0;Inter_H_window_4_4 <= 0;Inter_H_window_5_4 <= 0;
							
					Inter_H_window_0_5 <= 0;Inter_H_window_1_5 <= 0;Inter_H_window_2_5 <= 0;
					Inter_H_window_3_5 <= 0;Inter_H_window_4_5 <= 0;Inter_H_window_5_5 <= 0;
				end
			endcase
			4'b0100: //Right top blk4x4
			case (Inter_H_window_counter1)
				3'd4:
				if (pos_FracL == `pos_p || pos_FracL == `pos_r)
					begin
						Inter_H_window_0_2 <= Inter_ref_04_03;Inter_H_window_1_2 <= Inter_ref_05_03;
						Inter_H_window_2_2 <= Inter_ref_06_03;Inter_H_window_3_2 <= Inter_ref_07_03;
						Inter_H_window_4_2 <= Inter_ref_08_03;Inter_H_window_5_2 <= Inter_ref_09_03;
							
						Inter_H_window_0_3 <= Inter_ref_04_04;Inter_H_window_1_3 <= Inter_ref_05_04;
						Inter_H_window_2_3 <= Inter_ref_06_04;Inter_H_window_3_3 <= Inter_ref_07_04;
						Inter_H_window_4_3 <= Inter_ref_08_04;Inter_H_window_5_3 <= Inter_ref_09_04;
						
						Inter_H_window_0_4 <= Inter_ref_04_05;Inter_H_window_1_4 <= Inter_ref_05_05;
						Inter_H_window_2_4 <= Inter_ref_06_05;Inter_H_window_3_4 <= Inter_ref_07_05;
						Inter_H_window_4_4 <= Inter_ref_08_05;Inter_H_window_5_4 <= Inter_ref_09_05;
							
						Inter_H_window_0_5 <= Inter_ref_04_06;Inter_H_window_1_5 <= Inter_ref_05_06;
						Inter_H_window_2_5 <= Inter_ref_06_06;Inter_H_window_3_5 <= Inter_ref_07_06;
						Inter_H_window_4_5 <= Inter_ref_08_06;In