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[/] [mkjpeg/] [trunk/] [design/] [common/] [JPEG_PKG.vhd] - Diff between revs 49 and 52
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| Rev 49 |
Rev 52 |
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-- warning! this parameter heavily affects memory size required
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-- warning! this parameter heavily affects memory size required
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-- if expected image width is known change this parameter to match this
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-- if expected image width is known change this parameter to match this
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-- otherwise some onchip RAM will be wasted and never used
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-- otherwise some onchip RAM will be wasted and never used
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constant C_MAX_LINE_WIDTH : integer := 1280;
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constant C_MAX_LINE_WIDTH : integer := 1280;
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-- 0=highest clock per pixel performance
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-- 1=memory used by BUF_FIFO halved, speed performance reduced by circa 18%
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constant C_MEMORY_OPTIMIZED : integer := 0;
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-- 24 bit format RGB 888 bits
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-- 24 bit format RGB 888 bits
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-- 16 bit format RGB 565 bits
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-- 16 bit format RGB 565 bits
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constant C_PIXEL_BITS : integer := 16;
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constant C_PIXEL_BITS : integer := 24;
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type T_SM_SETTINGS is record
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type T_SM_SETTINGS is record
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x_cnt : unsigned(15 downto 0);
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x_cnt : unsigned(15 downto 0);
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y_cnt : unsigned(15 downto 0);
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y_cnt : unsigned(15 downto 0);
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cmp_idx : unsigned(1 downto 0);
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cmp_idx : unsigned(1 downto 0);
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