Libav
fft_init.c
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1 /*
2  * This file is part of Libav.
3  *
4  * Libav is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * Libav is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with Libav; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "config.h"
20 
21 #include "libavutil/cpu.h"
22 #include "libavutil/ppc/cpu.h"
23 
24 #include "libavcodec/fft.h"
25 
27 
29 {
30 #if HAVE_GNU_AS && HAVE_ALTIVEC && HAVE_BIGENDIAN
32  return;
33 
35 #endif /* HAVE_GNU_AS && HAVE_ALTIVEC && HAVE_BIGENDIAN */
36 }
av_cold void ff_fft_init_ppc(FFTContext *s)
Definition: fft_init.c:28
#define av_cold
Definition: attributes.h:66
#define PPC_ALTIVEC(flags)
Definition: cpu.h:26
void ff_fft_calc_interleave_altivec(FFTContext *s, FFTComplex *z)
Definition: fft.h:73
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:47
void(* fft_calc)(struct FFTContext *s, FFTComplex *z)
Do a complex FFT with the parameters defined in ff_fft_init().
Definition: fft.h:91