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hq2x.c
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/*
* Copyright (C) 2003 Maxim Stepin ( [email protected] )
*
* Copyright (C) 2010 Cameron Zemek ( [email protected])
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
#include "internal_hqx_common.h"
#define PIXEL00_0 *dp = w[5];
#define PIXEL00_10 Interp1(dp, w[5], w[1]);
#define PIXEL00_11 Interp1(dp, w[5], w[4]);
#define PIXEL00_12 Interp1(dp, w[5], w[2]);
#define PIXEL00_20 Interp2(dp, w[5], w[4], w[2]);
#define PIXEL00_21 Interp2(dp, w[5], w[1], w[2]);
#define PIXEL00_22 Interp2(dp, w[5], w[1], w[4]);
#define PIXEL00_60 Interp6(dp, w[5], w[2], w[4]);
#define PIXEL00_61 Interp6(dp, w[5], w[4], w[2]);
#define PIXEL00_70 Interp7(dp, w[5], w[4], w[2]);
#define PIXEL00_90 Interp9(dp, w[5], w[4], w[2]);
#define PIXEL00_100 Interp10(dp, w[5], w[4], w[2]);
#define PIXEL01_0 *(dp+1) = w[5];
#define PIXEL01_10 Interp1(dp+1, w[5], w[3]);
#define PIXEL01_11 Interp1(dp+1, w[5], w[2]);
#define PIXEL01_12 Interp1(dp+1, w[5], w[6]);
#define PIXEL01_20 Interp2(dp+1, w[5], w[2], w[6]);
#define PIXEL01_21 Interp2(dp+1, w[5], w[3], w[6]);
#define PIXEL01_22 Interp2(dp+1, w[5], w[3], w[2]);
#define PIXEL01_60 Interp6(dp+1, w[5], w[6], w[2]);
#define PIXEL01_61 Interp6(dp+1, w[5], w[2], w[6]);
#define PIXEL01_70 Interp7(dp+1, w[5], w[2], w[6]);
#define PIXEL01_90 Interp9(dp+1, w[5], w[2], w[6]);
#define PIXEL01_100 Interp10(dp+1, w[5], w[2], w[6]);
#define PIXEL10_0 *(dp+dpL) = w[5];
#define PIXEL10_10 Interp1(dp+dpL, w[5], w[7]);
#define PIXEL10_11 Interp1(dp+dpL, w[5], w[8]);
#define PIXEL10_12 Interp1(dp+dpL, w[5], w[4]);
#define PIXEL10_20 Interp2(dp+dpL, w[5], w[8], w[4]);
#define PIXEL10_21 Interp2(dp+dpL, w[5], w[7], w[4]);
#define PIXEL10_22 Interp2(dp+dpL, w[5], w[7], w[8]);
#define PIXEL10_60 Interp6(dp+dpL, w[5], w[4], w[8]);
#define PIXEL10_61 Interp6(dp+dpL, w[5], w[8], w[4]);
#define PIXEL10_70 Interp7(dp+dpL, w[5], w[8], w[4]);
#define PIXEL10_90 Interp9(dp+dpL, w[5], w[8], w[4]);
#define PIXEL10_100 Interp10(dp+dpL, w[5], w[8], w[4]);
#define PIXEL11_0 *(dp+dpL+1) = w[5];
#define PIXEL11_10 Interp1(dp+dpL+1, w[5], w[9]);
#define PIXEL11_11 Interp1(dp+dpL+1, w[5], w[6]);
#define PIXEL11_12 Interp1(dp+dpL+1, w[5], w[8]);
#define PIXEL11_20 Interp2(dp+dpL+1, w[5], w[6], w[8]);
#define PIXEL11_21 Interp2(dp+dpL+1, w[5], w[9], w[8]);
#define PIXEL11_22 Interp2(dp+dpL+1, w[5], w[9], w[6]);
#define PIXEL11_60 Interp6(dp+dpL+1, w[5], w[8], w[6]);
#define PIXEL11_61 Interp6(dp+dpL+1, w[5], w[6], w[8]);
#define PIXEL11_70 Interp7(dp+dpL+1, w[5], w[6], w[8]);
#define PIXEL11_90 Interp9(dp+dpL+1, w[5], w[6], w[8]);
#define PIXEL11_100 Interp10(dp+dpL+1, w[5], w[6], w[8]);
static void hq2x_32_rb( const uint32_t * sp, uint32_t srb, uint32_t * dp, uint32_t drb, int Xres, int Yres, const xbr_data *data )
{
int i, j, k;
int prevline, nextline;
uint32_t w[10];
int dpL = (drb >> 2);
int spL = (srb >> 2);
const uint8_t *sRowP = (const uint8_t *) sp;
uint8_t *dRowP = (uint8_t *) dp;
uint32_t yuv1, yuv2;
int pattern, flag;
// +----+----+----+
// | | | |
// | w1 | w2 | w3 |
// +----+----+----+
// | | | |
// | w4 | w5 | w6 |
// +----+----+----+
// | | | |
// | w7 | w8 | w9 |
// +----+----+----+
for (j=0; j<Yres; j++)
{
if (j>0) prevline = -spL; else prevline = 0;
if (j<Yres-1) nextline = spL; else nextline = 0;
for (i=0; i<Xres; i++)
{
w[2] = *(sp + prevline);
w[5] = *sp;
w[8] = *(sp + nextline);
if (i>0)
{
w[1] = *(sp + prevline - 1);
w[4] = *(sp - 1);
w[7] = *(sp + nextline - 1);
}
else
{
w[1] = w[2];
w[4] = w[5];
w[7] = w[8];
}
if (i<Xres-1)
{
w[3] = *(sp + prevline + 1);
w[6] = *(sp + 1);
w[9] = *(sp + nextline + 1);
}
else
{
w[3] = w[2];
w[6] = w[5];
w[9] = w[8];
}
pattern = 0;
flag = 1;
yuv1 = rgb_to_yuv(data, w[5]);
for (k=1; k<=9; k++)
{
if (k==5) continue;
if ( w[k] != w[5] )
{
yuv2 = rgb_to_yuv(data, w[k]);
if (yuv_diff(yuv1, yuv2))
pattern |= flag;
}
flag <<= 1;
}
switch (pattern)
{
case 0:
case 1:
case 4:
case 32:
case 128:
case 5:
case 132:
case 160:
case 33:
case 129:
case 36:
case 133:
case 164:
case 161:
case 37:
case 165:
{
PIXEL00_20
PIXEL01_20
PIXEL10_20
PIXEL11_20
break;
}
case 2:
case 34:
case 130:
case 162:
{
PIXEL00_22
PIXEL01_21
PIXEL10_20
PIXEL11_20
break;
}
case 16:
case 17:
case 48:
case 49:
{
PIXEL00_20
PIXEL01_22
PIXEL10_20
PIXEL11_21
break;
}
case 64:
case 65:
case 68:
case 69:
{
PIXEL00_20
PIXEL01_20
PIXEL10_21
PIXEL11_22
break;
}
case 8:
case 12:
case 136:
case 140:
{
PIXEL00_21
PIXEL01_20
PIXEL10_22
PIXEL11_20
break;
}
case 3:
case 35:
case 131:
case 163:
{
PIXEL00_11
PIXEL01_21
PIXEL10_20
PIXEL11_20
break;
}
case 6:
case 38:
case 134:
case 166:
{
PIXEL00_22
PIXEL01_12
PIXEL10_20
PIXEL11_20
break;
}
case 20:
case 21:
case 52:
case 53:
{
PIXEL00_20
PIXEL01_11
PIXEL10_20
PIXEL11_21
break;
}
case 144:
case 145:
case 176:
case 177:
{
PIXEL00_20
PIXEL01_22
PIXEL10_20
PIXEL11_12
break;
}
case 192:
case 193:
case 196:
case 197:
{
PIXEL00_20
PIXEL01_20
PIXEL10_21
PIXEL11_11
break;
}
case 96:
case 97:
case 100:
case 101:
{
PIXEL00_20
PIXEL01_20
PIXEL10_12
PIXEL11_22
break;
}
case 40:
case 44:
case 168:
case 172:
{
PIXEL00_21
PIXEL01_20
PIXEL10_11
PIXEL11_20
break;
}
case 9:
case 13:
case 137:
case 141:
{
PIXEL00_12
PIXEL01_20
PIXEL10_22
PIXEL11_20
break;
}
case 18:
case 50:
{
PIXEL00_22
if (Diff(data, w[2], w[6]))
{
PIXEL01_10
}
else
{
PIXEL01_20
}
PIXEL10_20
PIXEL11_21
break;
}
case 80:
case 81:
{
PIXEL00_20
PIXEL01_22
PIXEL10_21
if (Diff(data, w[6], w[8]))
{
PIXEL11_10
}
else
{
PIXEL11_20
}
break;
}
case 72:
case 76:
{
PIXEL00_21
PIXEL01_20
if (Diff(data, w[8], w[4]))
{
PIXEL10_10
}
else
{
PIXEL10_20
}
PIXEL11_22
break;
}
case 10:
case 138:
{
if (Diff(data, w[4], w[2]))
{
PIXEL00_10
}
else
{
PIXEL00_20
}
PIXEL01_21
PIXEL10_22
PIXEL11_20
break;
}
case 66:
{
PIXEL00_22
PIXEL01_21
PIXEL10_21
PIXEL11_22
break;
}
case 24:
{
PIXEL00_21
PIXEL01_22
PIXEL10_22
PIXEL11_21
break;
}
case 7:
case 39:
case 135:
{
PIXEL00_11
PIXEL01_12
PIXEL10_20
PIXEL11_20
break;
}
case 148:
case 149:
case 180:
{
PIXEL00_20
PIXEL01_11
PIXEL10_20
PIXEL11_12
break;
}
case 224:
case 228:
case 225:
{
PIXEL00_20
PIXEL01_20
PIXEL10_12
PIXEL11_11
break;
}
case 41:
case 169:
case 45:
{
PIXEL00_12
PIXEL01_20
PIXEL10_11
PIXEL11_20
break;
}
case 22:
case 54:
{
PIXEL00_22
if (Diff(data, w[2], w[6]))
{
PIXEL01_0
}
else
{
PIXEL01_20
}
PIXEL10_20
PIXEL11_21
break;
}
case 208:
case 209:
{
PIXEL00_20
PIXEL01_22
PIXEL10_21
if (Diff(data, w[6], w[8]))
{
PIXEL11_0
}
else
{
PIXEL11_20
}
break;
}
case 104:
case 108:
{
PIXEL00_21
PIXEL01_20
if (Diff(data, w[8], w[4]))
{
PIXEL10_0
}
else
{
PIXEL10_20
}
PIXEL11_22
break;
}
case 11:
case 139:
{
if (Diff(data, w[4], w[2]))
{
PIXEL00_0
}
else
{
PIXEL00_20
}
PIXEL01_21
PIXEL10_22
PIXEL11_20
break;
}
case 19:
case 51:
{
if (Diff(data, w[2], w[6]))
{
PIXEL00_11
PIXEL01_10
}
else
{
PIXEL00_60
PIXEL01_90
}
PIXEL10_20
PIXEL11_21
break;
}
case 146:
case 178:
{
PIXEL00_22
if (Diff(data, w[2], w[6]))
{
PIXEL01_10
PIXEL11_12
}
else
{
PIXEL01_90
PIXEL11_61
}
PIXEL10_20
break;
}
case 84:
case 85:
{
PIXEL00_20
if (Diff(data, w[6], w[8]))
{
PIXEL01_11
PIXEL11_10
}
else
{
PIXEL01_60
PIXEL11_90
}
PIXEL10_21
break;
}
case 112:
case 113:
{
PIXEL00_20
PIXEL01_22
if (Diff(data, w[6], w[8]))
{
PIXEL10_12
PIXEL11_10
}
else
{
PIXEL10_61
PIXEL11_90
}
break;
}
case 200:
case 204:
{
PIXEL00_21
PIXEL01_20
if (Diff(data, w[8], w[4]))
{
PIXEL10_10
PIXEL11_11
}
else
{
PIXEL10_90
PIXEL11_60
}
break;
}
case 73:
case 77:
{
if (Diff(data, w[8], w[4]))
{
PIXEL00_12
PIXEL10_10
}
else
{
PIXEL00_61
PIXEL10_90
}
PIXEL01_20
PIXEL11_22
break;
}
case 42:
case 170:
{
if (Diff(data, w[4], w[2]))
{
PIXEL00_10
PIXEL10_11
}
else
{
PIXEL00_90
PIXEL10_60
}
PIXEL01_21
PIXEL11_20
break;
}
case 14:
case 142:
{
if (Diff(data, w[4], w[2]))
{
PIXEL00_10
PIXEL01_12
}
else
{
PIXEL00_90
PIXEL01_61
}
PIXEL10_22
PIXEL11_20
break;
}
case 67:
{
PIXEL00_11
PIXEL01_21
PIXEL10_21
PIXEL11_22
break;
}
case 70:
{
PIXEL00_22
PIXEL01_12
PIXEL10_21
PIXEL11_22
break;
}
case 28:
{
PIXEL00_21
PIXEL01_11
PIXEL10_22
PIXEL11_21
break;
}
case 152:
{
PIXEL00_21
PIXEL01_22
PIXEL10_22
PIXEL11_12
break;
}
case 194:
{
PIXEL00_22
PIXEL01_21
PIXEL10_21
PIXEL11_11
break;
}
case 98:
{
PIXEL00_22
PIXEL01_21
PIXEL10_12
PIXEL11_22
break;
}
case 56:
{
PIXEL00_21
PIXEL01_22
PIXEL10_11
PIXEL11_21
break;
}
case 25:
{
PIXEL00_12
PIXEL01_22
PIXEL10_22
PIXEL11_21
break;
}
case 26:
case 31:
{
if (Diff(data, w[4], w[2]))
{
PIXEL00_0
}
else
{
PIXEL00_20
}
if (Diff(data, w[2], w[6]))
{
PIXEL01_0
}
else
{
PIXEL01_20
}
PIXEL10_22
PIXEL11_21
break;
}
case 82:
case 214:
{
PIXEL00_22
if (Diff(data, w[2], w[6]))
{
PIXEL01_0
}
else
{
PIXEL01_20
}
PIXEL10_21
if (Diff(data, w[6], w[8]))
{
PIXEL11_0
}
else
{
PIXEL11_20
}
break;
}
case 88:
case 248:
{
PIXEL00_21
PIXEL01_22
if (Diff(data, w[8], w[4]))
{
PIXEL10_0
}
else
{
PIXEL10_20
}
if (Diff(data, w[6], w[8]))
{
PIXEL11_0
}
else
{
PIXEL11_20
}
break;
}
case 74:
case 107:
{
if (Diff(data, w[4], w[2]))
{
PIXEL00_0
}
else
{
PIXEL00_20
}
PIXEL01_21
if (Diff(data, w[8], w[4]))
{
PIXEL10_0
}
else
{
PIXEL10_20
}
PIXEL11_22
break;
}
case 27:
{
if (Diff(data, w[4], w[2]))
{
PIXEL00_0
}
else
{
PIXEL00_20
}
PIXEL01_10
PIXEL10_22
PIXEL11_21
break;
}
case 86:
{
PIXEL00_22
if (Diff(data, w[2], w[6]))
{
PIXEL01_0
}
else
{
PIXEL01_20
}
PIXEL10_21
PIXEL11_10
break;
}
case 216:
{
PIXEL00_21
PIXEL01_22
PIXEL10_10
if (Diff(data, w[6], w[8]))
{
PIXEL11_0
}
else
{
PIXEL11_20
}
break;
}
case 106:
{
PIXEL00_10
PIXEL01_21
if (Diff(data, w[8], w[4]))
{
PIXEL10_0
}
else
{
PIXEL10_20
}
PIXEL11_22
break;
}
case 30:
{
PIXEL00_10
if (Diff(data, w[2], w[6]))
{
PIXEL01_0
}
else
{
PIXEL01_20
}
PIXEL10_22
PIXEL11_21
break;
}
case 210:
{
PIXEL00_22
PIXEL01_10
PIXEL10_21
if (Diff(data, w[6], w[8]))
{
PIXEL11_0
}
else
{
PIXEL11_20
}
break;
}
case 120:
{
PIXEL00_21
PIXEL01_22
if (Diff(data, w[8], w[4]))
{
PIXEL10_0
}
else
{
PIXEL10_20
}
PIXEL11_10
break;
}
case 75:
{
if (Diff(data, w[4], w[2]))
{
PIXEL00_0
}
else
{
PIXEL00_20
}
PIXEL01_21
PIXEL10_10
PIXEL11_22
break;
}
case 29:
{
PIXEL00_12
PIXEL01_11
PIXEL10_22
PIXEL11_21
break;
}
case 198:
{
PIXEL00_22
PIXEL01_12
PIXEL10_21
PIXEL11_11
break;
}
case 184:
{
PIXEL00_21
PIXEL01_22
PIXEL10_11
PIXEL11_12
break;
}
case 99:
{
PIXEL00_11
PIXEL01_21
PIXEL10_12
PIXEL11_22
break;
}
case 57:
{
PIXEL00_12
PIXEL01_22
PIXEL10_11
PIXEL11_21
break;
}
case 71:
{
PIXEL00_11
PIXEL01_12
PIXEL10_21
PIXEL11_22
break;
}
case 156:
{
PIXEL00_21
PIXEL01_11
PIXEL10_22
PIXEL11_12
break;
}
case 226:
{
PIXEL00_22
PIXEL01_21
PIXEL10_12
PIXEL11_11
break;
}
case 60:
{
PIXEL00_21
PIXEL01_11
PIXEL10_11
PIXEL11_21
break;
}
case 195:
{
PIXEL00_11
PIXEL01_21
PIXEL10_21
PIXEL11_11
break;
}
case 102:
{
PIXEL00_22
PIXEL01_12
PIXEL10_12
PIXEL11_22
break;
}
case 153:
{
PIXEL00_12
PIXEL01_22
PIXEL10_22
PIXEL11_12
break;
}
case 58:
{