2 * This file is part of Libav.
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.
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.
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
21 #include "libavutil/cpu.h"
22 #include "libavutil/ppc/cpu.h"
24 #include "libavcodec/fft.h"
26 void ff_fft_calc_interleave_altivec(FFTContext *s, FFTComplex *z);
28 av_cold void ff_fft_init_ppc(FFTContext *s)
30 #if HAVE_GNU_AS && HAVE_ALTIVEC && HAVE_BIGENDIAN
31 if (!PPC_ALTIVEC(av_get_cpu_flags()))
34 s->fft_calc = ff_fft_calc_interleave_altivec;
35 #endif /* HAVE_GNU_AS && HAVE_ALTIVEC && HAVE_BIGENDIAN */