h264cavlc.vhd

来自「VHDL语言实现H.264的opencore」· VHDL 代码 · 共 1,077 行 · 第 1/5 页

		b"01010" when trailingones=0 and totalcoeffs=16 and ctable=2 else
		b"01010" when trailingones=1 and totalcoeffs=16 and ctable=2 else
		b"01010" when trailingones=2 and totalcoeffs=16 and ctable=2 else
		b"01010" when trailingones=3 and totalcoeffs=16 and ctable=2 else
		--
		b"00110" when ctable=3 else
		--
		b"00010" when trailingones=0 and totalcoeffs=0 and ctable=4 else
		b"00110" when trailingones=0 and totalcoeffs=1 and ctable=4 else
		b"00001" when trailingones=1 and totalcoeffs=1 and ctable=4 else
		b"00110" when trailingones=0 and totalcoeffs=2 and ctable=4 else
		b"00110" when trailingones=1 and totalcoeffs=2 and ctable=4 else
		b"00011" when trailingones=2 and totalcoeffs=2 and ctable=4 else
		b"00110" when trailingones=0 and totalcoeffs=3 and ctable=4 else
		b"00111" when trailingones=1 and totalcoeffs=3 and ctable=4 else
		b"00111" when trailingones=2 and totalcoeffs=3 and ctable=4 else
		b"00110" when trailingones=3 and totalcoeffs=3 and ctable=4 else
		b"00110" when trailingones=0 and totalcoeffs=4 and ctable=4 else
		b"01000" when trailingones=1 and totalcoeffs=4 and ctable=4 else
		b"01000" when trailingones=2 and totalcoeffs=4 and ctable=4 else
		b"00111"; --  trailingones=3 and totalcoeffs=4 and ctable=4
	--
	-- tables for TotalZeros token
	--
	ztoken <=
		b"001" when totalzeros=0 and totalcoeffs=1 and ztable='0' else
		b"011" when totalzeros=1 and totalcoeffs=1 and ztable='0' else
		b"010" when totalzeros=2 and totalcoeffs=1 and ztable='0' else
		b"011" when totalzeros=3 and totalcoeffs=1 and ztable='0' else
		b"010" when totalzeros=4 and totalcoeffs=1 and ztable='0' else
		b"011" when totalzeros=5 and totalcoeffs=1 and ztable='0' else
		b"010" when totalzeros=6 and totalcoeffs=1 and ztable='0' else
		b"011" when totalzeros=7 and totalcoeffs=1 and ztable='0' else
		b"010" when totalzeros=8 and totalcoeffs=1 and ztable='0' else
		b"011" when totalzeros=9 and totalcoeffs=1 and ztable='0' else
		b"010" when totalzeros=10 and totalcoeffs=1 and ztable='0' else
		b"011" when totalzeros=11 and totalcoeffs=1 and ztable='0' else
		b"010" when totalzeros=12 and totalcoeffs=1 and ztable='0' else
		b"011" when totalzeros=13 and totalcoeffs=1 and ztable='0' else
		b"010" when totalzeros=14 and totalcoeffs=1 and ztable='0' else
		b"001" when totalzeros=15 and totalcoeffs=1 and ztable='0' else
		b"111" when totalzeros=0 and totalcoeffs=2 and ztable='0' else
		b"110" when totalzeros=1 and totalcoeffs=2 and ztable='0' else
		b"101" when totalzeros=2 and totalcoeffs=2 and ztable='0' else
		b"100" when totalzeros=3 and totalcoeffs=2 and ztable='0' else
		b"011" when totalzeros=4 and totalcoeffs=2 and ztable='0' else
		b"101" when totalzeros=5 and totalcoeffs=2 and ztable='0' else
		b"100" when totalzeros=6 and totalcoeffs=2 and ztable='0' else
		b"011" when totalzeros=7 and totalcoeffs=2 and ztable='0' else
		b"010" when totalzeros=8 and totalcoeffs=2 and ztable='0' else
		b"011" when totalzeros=9 and totalcoeffs=2 and ztable='0' else
		b"010" when totalzeros=10 and totalcoeffs=2 and ztable='0' else
		b"011" when totalzeros=11 and totalcoeffs=2 and ztable='0' else
		b"010" when totalzeros=12 and totalcoeffs=2 and ztable='0' else
		b"001" when totalzeros=13 and totalcoeffs=2 and ztable='0' else
		b"000" when totalzeros=14 and totalcoeffs=2 and ztable='0' else
		b"101" when totalzeros=0 and totalcoeffs=3 and ztable='0' else
		b"111" when totalzeros=1 and totalcoeffs=3 and ztable='0' else
		b"110" when totalzeros=2 and totalcoeffs=3 and ztable='0' else
		b"101" when totalzeros=3 and totalcoeffs=3 and ztable='0' else
		b"100" when totalzeros=4 and totalcoeffs=3 and ztable='0' else
		b"011" when totalzeros=5 and totalcoeffs=3 and ztable='0' else
		b"100" when totalzeros=6 and totalcoeffs=3 and ztable='0' else
		b"011" when totalzeros=7 and totalcoeffs=3 and ztable='0' else
		b"010" when totalzeros=8 and totalcoeffs=3 and ztable='0' else
		b"011" when totalzeros=9 and totalcoeffs=3 and ztable='0' else
		b"010" when totalzeros=10 and totalcoeffs=3 and ztable='0' else
		b"001" when totalzeros=11 and totalcoeffs=3 and ztable='0' else
		b"001" when totalzeros=12 and totalcoeffs=3 and ztable='0' else
		b"000" when totalzeros=13 and totalcoeffs=3 and ztable='0' else
		b"011" when totalzeros=0 and totalcoeffs=4 and ztable='0' else
		b"111" when totalzeros=1 and totalcoeffs=4 and ztable='0' else
		b"101" when totalzeros=2 and totalcoeffs=4 and ztable='0' else
		b"100" when totalzeros=3 and totalcoeffs=4 and ztable='0' else
		b"110" when totalzeros=4 and totalcoeffs=4 and ztable='0' else
		b"101" when totalzeros=5 and totalcoeffs=4 and ztable='0' else
		b"100" when totalzeros=6 and totalcoeffs=4 and ztable='0' else
		b"011" when totalzeros=7 and totalcoeffs=4 and ztable='0' else
		b"011" when totalzeros=8 and totalcoeffs=4 and ztable='0' else
		b"010" when totalzeros=9 and totalcoeffs=4 and ztable='0' else
		b"010" when totalzeros=10 and totalcoeffs=4 and ztable='0' else
		b"001" when totalzeros=11 and totalcoeffs=4 and ztable='0' else
		b"000" when totalzeros=12 and totalcoeffs=4 and ztable='0' else
		b"101" when totalzeros=0 and totalcoeffs=5 and ztable='0' else
		b"100" when totalzeros=1 and totalcoeffs=5 and ztable='0' else
		b"011" when totalzeros=2 and totalcoeffs=5 and ztable='0' else
		b"111" when totalzeros=3 and totalcoeffs=5 and ztable='0' else
		b"110" when totalzeros=4 and totalcoeffs=5 and ztable='0' else
		b"101" when totalzeros=5 and totalcoeffs=5 and ztable='0' else
		b"100" when totalzeros=6 and totalcoeffs=5 and ztable='0' else
		b"011" when totalzeros=7 and totalcoeffs=5 and ztable='0' else
		b"010" when totalzeros=8 and totalcoeffs=5 and ztable='0' else
		b"001" when totalzeros=9 and totalcoeffs=5 and ztable='0' else
		b"001" when totalzeros=10 and totalcoeffs=5 and ztable='0' else
		b"000" when totalzeros=11 and totalcoeffs=5 and ztable='0' else
		b"001" when totalzeros=0 and totalcoeffs=6 and ztable='0' else
		b"001" when totalzeros=1 and totalcoeffs=6 and ztable='0' else
		b"111" when totalzeros=2 and totalcoeffs=6 and ztable='0' else
		b"110" when totalzeros=3 and totalcoeffs=6 and ztable='0' else
		b"101" when totalzeros=4 and totalcoeffs=6 and ztable='0' else
		b"100" when totalzeros=5 and totalcoeffs=6 and ztable='0' else
		b"011" when totalzeros=6 and totalcoeffs=6 and ztable='0' else
		b"010" when totalzeros=7 and totalcoeffs=6 and ztable='0' else
		b"001" when totalzeros=8 and totalcoeffs=6 and ztable='0' else
		b"001" when totalzeros=9 and totalcoeffs=6 and ztable='0' else
		b"000" when totalzeros=10 and totalcoeffs=6 and ztable='0' else
		b"001" when totalzeros=0 and totalcoeffs=7 and ztable='0' else
		b"001" when totalzeros=1 and totalcoeffs=7 and ztable='0' else
		b"101" when totalzeros=2 and totalcoeffs=7 and ztable='0' else
		b"100" when totalzeros=3 and totalcoeffs=7 and ztable='0' else
		b"011" when totalzeros=4 and totalcoeffs=7 and ztable='0' else
		b"011" when totalzeros=5 and totalcoeffs=7 and ztable='0' else
		b"010" when totalzeros=6 and totalcoeffs=7 and ztable='0' else
		b"001" when totalzeros=7 and totalcoeffs=7 and ztable='0' else
		b"001" when totalzeros=8 and totalcoeffs=7 and ztable='0' else
		b"000" when totalzeros=9 and totalcoeffs=7 and ztable='0' else
		b"001" when totalzeros=0 and totalcoeffs=8 and ztable='0' else
		b"001" when totalzeros=1 and totalcoeffs=8 and ztable='0' else
		b"001" when totalzeros=2 and totalcoeffs=8 and ztable='0' else
		b"011" when totalzeros=3 and totalcoeffs=8 and ztable='0' else
		b"011" when totalzeros=4 and totalcoeffs=8 and ztable='0' else
		b"010" when totalzeros=5 and totalcoeffs=8 and ztable='0' else
		b"010" when totalzeros=6 and totalcoeffs=8 and ztable='0' else
		b"001" when totalzeros=7 and totalcoeffs=8 and ztable='0' else
		b"000" when totalzeros=8 and totalcoeffs=8 and ztable='0' else
		b"001" when totalzeros=0 and totalcoeffs=9 and ztable='0' else
		b"000" when totalzeros=1 and totalcoeffs=9 and ztable='0' else
		b"001" when totalzeros=2 and totalcoeffs=9 and ztable='0' else
		b"011" when totalzeros=3 and totalcoeffs=9 and ztable='0' else
		b"010" when totalzeros=4 and totalcoeffs=9 and ztable='0' else
		b"001" when totalzeros=5 and totalcoeffs=9 and ztable='0' else
		b"001" when totalzeros=6 and totalcoeffs=9 and ztable='0' else
		b"001" when totalzeros=7 and totalcoeffs=9 and ztable='0' else
		b"001" when totalzeros=0 and totalcoeffs=10 and ztable='0' else
		b"000" when totalzeros=1 and totalcoeffs=10 and ztable='0' else
		b"001" when totalzeros=2 and totalcoeffs=10 and ztable='0' else
		b"011" when totalzeros=3 and totalcoeffs=10 and ztable='0' else
		b"010" when totalzeros=4 and totalcoeffs=10 and ztable='0' else
		b"001" when totalzeros=5 and totalcoeffs=10 and ztable='0' else
		b"001" when totalzeros=6 and totalcoeffs=10 and ztable='0' else
		b"000" when totalzeros=0 and totalcoeffs=11 and ztable='0' else
		b"001" when totalzeros=1 and totalcoeffs=11 and ztable='0' else
		b"001" when totalzeros=2 and totalcoeffs=11 and ztable='0' else
		b"010" when totalzeros=3 and totalcoeffs=11 and ztable='0' else
		b"001" when totalzeros=4 and totalcoeffs=11 and ztable='0' else
		b"011" when totalzeros=5 and totalcoeffs=11 and ztable='0' else
		b"000" when totalzeros=0 and totalcoeffs=12 and ztable='0' else
		b"001" when totalzeros=1 and totalcoeffs=12 and ztable='0' else
		b"001" when totalzeros=2 and totalcoeffs=12 and ztable='0' else
		b"001" when totalzeros=3 and totalcoeffs=12 and ztable='0' else
		b"001" when totalzeros=4 and totalcoeffs=12 and ztable='0' else
		b"000" when totalzeros=0 and totalcoeffs=13 and ztable='0' else
		b"001" when totalzeros=1 and totalcoeffs=13 and ztable='0' else
		b"001" when totalzeros=2 and totalcoeffs=13 and ztable='0' else
		b"001" when totalzeros=3 and totalcoeffs=13 and ztable='0' else
		b"000" when totalzeros=0 and totalcoeffs=14 and ztable='0' else
		b"001" when totalzeros=1 and totalcoeffs=14 and ztable='0' else
		b"001" when totalzeros=2 and totalcoeffs=14 and ztable='0' else
		b"000" when totalzeros=0 and totalcoeffs=15 and ztable='0' else
		b"001" when totalzeros=1 and totalcoeffs=15 and ztable='0' else
		--
		b"001" when totalzeros=0 and totalcoeffs=1 and ztable='1' else
		b"001" when totalzeros=1 and totalcoeffs=1 and ztable='1' else
		b"001" when totalzeros=2 and totalcoeffs=1 and ztable='1' else
		b"000" when totalzeros=3 and totalcoeffs=1 and ztable='1' else
		b"001" when totalzeros=0 and totalcoeffs=2 and ztable='1' else
		b"001" when totalzeros=1 and totalcoeffs=2 and ztable='1' else
		b"000" when totalzeros=2 and totalcoeffs=2 and ztable='1' else
		b"001" when totalzeros=0 and totalcoeffs=3 and ztable='1' else
		b"000"; --  totalzeros=1 and totalcoeffs=3 and ztable='1'
	--
	ztoken_len <=
		b"0001" when totalzeros=0 and totalcoeffs=1 and ztable='0' else
		b"0011" when totalzeros=1 and totalcoeffs=1 and ztable='0' else
		b"0011" when totalzeros=2 and totalcoeffs=1 and ztable='0' else
		b"0100" when totalzeros=3 and totalcoeffs=1 and ztable='0' else
		b"0100" when totalzeros=4 and totalcoeffs=1 and ztable='0' else
		b"0101" when totalzeros=5 and totalcoeffs=1 and ztable='0' else
		b"0101" when totalzeros=6 and totalcoeffs=1 and ztable='0' else
		b"0110" when totalzeros=7 and totalcoeffs=1 and ztable='0' else
		b"0110" when totalzeros=8 and totalcoeffs=1 and ztable='0' else
		b"0111" when totalzeros=9 and totalcoeffs=1 and ztable='0' else
		b"0111" when totalzeros=10 and totalcoeffs=1 and ztable='0' else
		b"1000" when totalzeros=11 and totalcoeffs=1 and ztable='0' else
		b"1000" when totalzeros=12 and totalcoeffs=1 and ztable='0' else
		b"1001" when totalzeros=13 and totalcoeffs=1 and ztable='0' else
		b"1001" when totalzeros=14 and totalcoeffs=1 and ztable='0' else
		b"1001" when totalzeros=15 and totalcoeffs=1 and ztable='0' else
		b"0011" when totalzeros=0 and totalcoeffs=2 and ztable='0' else
		b"0011" when totalzeros=1 and totalcoeffs=2 and ztable='0' else
		b"0011" when totalzeros=2 and totalcoeffs=2 and ztable='0' else
		b"0011" when totalzeros=3 and totalcoeffs=2 and ztable='0' else
		b"0011" when totalzeros=4 and totalcoeffs=2 and ztable='0' else
		b"0100" when totalzeros=5 and totalcoeffs=2 and ztable='0' else
		b"0100" when totalzeros=6 and totalcoeffs=2 and ztable='0' else
		b"0100" when totalzeros=7 and totalcoeffs=2 and ztable='0' else
		b"0100" when totalzeros=8 and totalcoeffs=2 and ztable='0' else
		b"0101" when totalzeros=9 and totalcoeffs=2 and ztable='0' else
		b"0101" when totalzeros=10 and totalcoeffs=2 and ztable='0' else
		b"0110" when totalzeros=11 and totalcoeffs=2 and ztable='0' else
		b"0110" when totalzeros=12 and totalcoeffs=2 and ztable='0' else
		b"0110" when totalzeros=13 and totalcoeffs=2 and ztable='0' else
		b"0110" when totalzeros=14 and totalcoeffs=2 and ztable='0' else
		b"0100" when totalzeros=0 and totalcoeffs=3 and ztable='0' else
		b"0011" when totalzeros=1 and totalcoeffs=3 and ztable='0' else
		b"0011" when totalzeros=2 and totalcoeffs=3 and ztable='0' else
		b"0011" when totalzeros=3 and totalcoeffs=3 and ztable='0' else
		b"0100" when totalzeros=4 and totalcoeffs=3 and ztable='0' else
		b"0100" when totalzeros=5 and totalcoeffs=3 and ztable='0' else
		b"0011" when totalzeros=6 and totalcoeffs=3 and ztable='0' else
		b"0011" when totalzeros=7 and totalcoeffs=3 and ztable='0' else
		b"0100" when totalzeros=8 and totalcoeffs=3 and ztable='0' else
		b"0101" when totalzeros=9 and totalcoeffs=3 and ztable='0' else
		b"0101" when totalzeros=10 and totalcoeffs=3 and ztable='0' else
		b"0110" when totalzeros=11 and totalcoeffs=3 and ztable='0' else
		b"0101" when totalzeros=12 and totalcoeffs=3 and ztable='0' else