aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/x86/vorbisdsp_init.c
blob: 08a2c096f0033c250656d081752d6e052722e5ec (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
/*
 * Copyright (C) 2006 Loren Merritt <lorenm@u.washington.edu>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavcodec/vorbisdsp.h"

void ff_vorbis_inverse_coupling_3dnow(float *mag, float *ang,
                                      intptr_t blocksize);
void ff_vorbis_inverse_coupling_sse(float *mag, float *ang,
                                    intptr_t blocksize);

av_cold void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
{
#if HAVE_YASM
    int mm_flags = av_get_cpu_flags();

#if ARCH_X86_32
    if (mm_flags & AV_CPU_FLAG_3DNOW)
        dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_3dnow;
#endif /* ARCH_X86_32 */
    if (mm_flags & AV_CPU_FLAG_SSE)
        dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_sse;
#endif /* HAVE_YASM */
}