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[/] [mkjpeg/] [trunk/] [design/] [common/] [JPEG_PKG.vhd] - Diff between revs 63 and 67

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Rev 63 Rev 67
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  constant C_HDR_SIZE         : integer := 623;
 
  constant C_HDR_SIZE         : integer := 623;
 
 
 
 
 
  -- warning! this parameter heavily affects memory size required
 
  -- warning! this parameter heavily affects memory size required
 
  -- if expected image width is known change this parameter to match this
 
  -- if expected image width is known change this parameter to match this
 
  -- otherwise some onchip RAM will be wasted and never used
 
  -- otherwise some onchip RAM will be wasted and never used
 
  constant C_MAX_LINE_WIDTH   : integer := 2048;
 
  constant C_MAX_LINE_WIDTH   : integer := 640;
 
 
 
 
 
  -- memory/performance tradeoff
 
  -- memory/performance tradeoff
 
  -- 8 extra lines highest performance
 
  -- 8 extra lines highest performance
 
  -- 0 extra lines lowest area
 
  -- 0 extra lines lowest area
 
  constant C_EXTRA_LINES  : integer := 8; -- from 0 to 8
 
  --constant C_EXTRA_LINES  : integer := 0; -- from 0 to 8
 
 
 
 
 
 
 
 
 
  -- 24 bit format RGB/YCbCr 888 bits
 
  -- 24 bit format RGB/YCbCr 888 bits
 
  -- 16 bit format RGB/YCbCr 565 bits
 
  -- 16 bit format RGB/YCbCr 565 bits
 
  constant C_PIXEL_BITS    : integer := 24;
 
  constant C_PIXEL_BITS    : integer := 24;

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