1 /*
2 * Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg 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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "config.h"
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/float_dsp.h"
25 #include "libavutil/ppc/cpu.h"
26 #include "float_dsp_altivec.h"
27
ff_float_dsp_init_ppc(AVFloatDSPContext * fdsp,int bit_exact)28 av_cold void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int bit_exact)
29 {
30 if (!PPC_ALTIVEC(av_get_cpu_flags()))
31 return;
32
33 fdsp->vector_fmul = ff_vector_fmul_altivec;
34 fdsp->vector_fmul_add = ff_vector_fmul_add_altivec;
35 fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_altivec;
36
37 if (!bit_exact) {
38 fdsp->vector_fmul_window = ff_vector_fmul_window_altivec;
39 }
40 }
41