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URL https://opencores.org/ocsvn/matrix3x3/matrix3x3/trunk

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Rev 4 → Rev 5

/trunk/rtl/vhdl/ccfactors_pkg.vhd
28,7 → 28,9
YCbCr601_to_YCbCr709,
YUV601_to_YIQ601,
StudioRGB_to_YIQ601,
YIQ601_to_StudioRGB
YIQ601_to_StudioRGB,
ComputerRGB_to_YCgCo,
YCgCo_to_ComputerRGB
);
CONSTANT F_FACTORS_PART : INTEGER := 15; -- float part width, 10-E4 accuracy
CONSTANT INT_FACTORS_PART: INTEGER := 3; -- integer part with, from -5 to +4 range (-4.999999 to 3.999999)
39,7 → 41,7
-- Matrix factors for the Computer RGB to Rec.601 (SD) YCbCr color convertion
-----------------------------------------------------------------------------------
constant crgb2ycbcr601_a11 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000010000011011111"; -- 0.256789
constant crgb2ycbcr601_a12 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000100000010000110"; -- 0.504129
constant crgb2ycbcr601_a12 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000100000010000110"; -- 0.504129
constant crgb2ycbcr601_a13 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000110010001000"; -- 0.0979
constant crgb2ycbcr601_a21 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111110110100000111"; -- -0.148223
constant crgb2ycbcr601_a22 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111101101011000001"; -- -0.290992
251,7 → 253,7
constant yuv601_yiq601_a11 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"001000000000000000"; -- 1
constant yuv601_yiq601_a12 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant yuv601_yiq601_a13 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant yuv601_yiq601_a21 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant yuv601_yiq601_a21 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant yuv601_yiq601_a22 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111011101001001001"; -- -0.544639
constant yuv601_yiq601_a23 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000110101101011010"; -- 0.838671
constant yuv601_yiq601_a31 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
308,6 → 310,50
constant yiq601_srgb_b2y : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant yiq601_srgb_b3y : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
 
-----------------------------------------------------------------------------------
-- Matrix factors for the Computer RGB to YCgCo convertion
-----------------------------------------------------------------------------------
constant crgb2ycgco_a11 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000010000000000000"; -- 0.25
constant crgb2ycgco_a12 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000100000000000000"; -- 0.50
constant crgb2ycgco_a13 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000010000000000000"; -- 0.25
constant crgb2ycgco_a21 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000100000000000000"; -- 0.50
constant crgb2ycgco_a22 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant crgb2ycgco_a23 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111100000000000000"; -- -0.50
constant crgb2ycgco_a31 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111110000000000000"; -- -0.25
constant crgb2ycgco_a32 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000100000000000000"; -- 0.50
constant crgb2ycgco_a33 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111110000000000000"; -- -0.25
 
constant crgb2ycgco_b1x : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant crgb2ycgco_b2x : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant crgb2ycgco_b3x : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
 
constant crgb2ycgco_b1y : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000010000000000000"; -- 16
constant crgb2ycgco_b2y : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"010000000000000000"; -- 128
constant crgb2ycgco_b3y : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"010000000000000000"; -- 128
 
-----------------------------------------------------------------------------------
-- Matrix factors for the YCgCo to Computer RGB convertion
-----------------------------------------------------------------------------------
constant ycgco2crgb_a11 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"001000000000000000"; -- 1
constant ycgco2crgb_a12 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"001000000000000000"; -- 1
constant ycgco2crgb_a13 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111000000000000000"; -- -1
constant ycgco2crgb_a21 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"001000000000000000"; -- 1
constant ycgco2crgb_a22 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant ycgco2crgb_a23 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"001000000000000000"; -- 1
constant ycgco2crgb_a31 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"001000000000000000"; -- 1
constant ycgco2crgb_a32 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111000000000000000"; -- -1
constant ycgco2crgb_a33 : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111000000000000000"; -- -1
 
constant ycgco2crgb_b1x : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"111110000000000000"; -- -16
constant ycgco2crgb_b2x : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"110000000000000000"; -- -128
constant ycgco2crgb_b3x : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"110000000000000000"; -- -128
 
constant ycgco2crgb_b1y : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant ycgco2crgb_b2y : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
constant ycgco2crgb_b3y : SIGNED(FACTORS_WIDTH-1 DOWNTO 0) := b"000000000000000000"; -- 0
 
 
end ccfactors_pkg;
 
 

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