izz.cc

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/*--------------------------------------------------------------------
 *
 * (C) Copyright Koninklijke Philips Electronics NV 2006. 
 * All rights reserved. This software is licensed under the terms of
 * version 2.1 of the GNU Lesser General Public License as published 
 * by the Free Software Foundation. For licensing and warranty
 * information, see the file COPYING in the main directory.
 *
 *------------------------------------------------------------------*/

#include "izz.h"
#include <stdio.h>

const int IZZ::zigzag[64] = 
{
   0,  1,  8, 16,  9,  2,  3, 10,
  17, 24, 32, 25, 18, 11,  4,  5,
  12, 19, 26, 33, 40, 48, 41, 34,
  27, 20, 13,  6,  7, 14, 21, 28,
  35, 42, 49, 56, 57, 50, 43, 36,
  29, 22, 15, 23, 30, 37, 44, 51,
  58, 59, 52, 45, 38, 31, 39, 46,
  53, 60, 61, 54, 47, 55, 62, 63
};

IZZ::IZZ(
  const Id&     n, 
  In<VYApixel>&     Cin,
  Out<VYApixel>&    Cout)
:
        Process(n),
        CinP(   id("CinP"),     Cin),
        CoutP(    id("CoutP"),    Cout)
{ 
}

void IZZ::main()
{
  VYApixel  Cin[64];
  VYApixel  Cout[64];

  while (true)
  {
    read(CinP, Cin, 64);
    for (unsigned int i=0; i<64; i++)
    {
      Cout[zigzag[i]] = Cin[i];
    }
    write(CoutP, Cout, 64);
  }
}

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