1 /*
2 * stv0680.c
3 *
4 * Copyright (c) 2009 Hans de Goede <hdegoede@redhat.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation; either version 2.1 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
19 */
20
21 #include "libv4lconvert-priv.h"
22
23 /* The stv0640 first sends all the red/green pixels for a line (so 1/2 width)
24 and then all the green/blue pixels in that line, shuffle this to a regular
25 RGGB bayer pattern. */
v4lconvert_decode_stv0680(const unsigned char * src,unsigned char * dst,int width,int height)26 void v4lconvert_decode_stv0680(const unsigned char *src, unsigned char *dst,
27 int width, int height)
28 {
29 int x, y;
30 const unsigned char *src1 = src;
31 const unsigned char *src2 = src + width / 2;
32
33 for (y = 0; y < height; y++) {
34 for (x = 0; x < width / 2; x++) {
35 *dst++ = *src1++;
36 *dst++ = *src2++;
37 }
38 src1 += width / 2;
39 src2 += width / 2;
40 }
41 }
42