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/******************************************************************************
* recordMyDesktop *
*******************************************************************************
* *
* Copyright (C) 2006,2007,2008 John Varouhakis *
* *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
******************************************************************************/
#include "yuv_utils.h"
// Keep these global (for performance reasons I assume).
unsigned char Yr[256], Yg[256], Yb[256],
Ur[256], Ug[256], UbVr[256],
Vg[256], Vb[256];
void MakeMatrices (void) {
int i;
for (i = 0; i < 256; i++)
Yr[i] = (2104.0 * i) / 8192.0 + 8.0;
for (i = 0; i < 256; i++)
Yg[i] = (4130.0 * i) / 8192.0 + 8.0;
for (i = 0; i < 256; i++)
Yb[i] = (802.0 * i) / 8192.0;
for (i = 0; i < 256; i++)
Ur[i] = 37.8 - (1204.0 * i) / 8192.0 + 8.0;
for (i = 0; i < 256; i++)
Ug[i] = 74.2 - (2384.0 * i) / 8192.0 + 8.0;
for (i = 0; i < 256; i++)
UbVr[i] = (3598.0 * i) / 8192.0 ;
for (i = 0; i < 256; i++)
Vg[i] = 93.8 - (3013.0 * i) / 8192.0 + 8.0;
for (i = 0; i < 256; i++)
Vb[i] = 18.2 - (585.0 * i) / 8192.0 + 8.0;
}
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