1 /*
2 * * Copyright (C) 2006-2011 Anders Brander <anders@brander.dk>,
3 * * Anders Kvist <akv@lnxbx.dk> and Klaus Post <klauspost@gmail.com>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 */
19
20 #include "complexblock.h"
21 #include <math.h>
22 #include "floatimageplane.h"
23 #include <stdlib.h> /* posix_memalign() */
24
25
26 namespace RawStudio {
27 namespace FFTFilter {
28
ComplexBlock(int _w,int _h)29 ComplexBlock::ComplexBlock(int _w, int _h): w(_w), h(_h)
30 {
31 pitch = w * sizeof(fftwf_complex);
32 g_assert(0 == posix_memalign((void**)&complex, 16, pitch*h));
33 g_assert(complex);
34 temp = new FloatImagePlane(256,1);
35 temp->allocateImage();
36 }
37
~ComplexBlock(void)38 ComplexBlock::~ComplexBlock(void)
39 {
40 free(complex);
41 complex = 0;
42 delete temp;
43 }
44
45 }}// namespace RawStudio::FFTFilter
46