aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/aarch64/opus_imdct_init.c
blob: 3fa9a11b2f1b091a51632f86c9fc2f484547d776 (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
44
45
/*
 * 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 <stddef.h>

#include "libavutil/cpu.h"
#include "libavutil/aarch64/cpu.h"
#include "libavutil/internal.h"
#include "libavcodec/opus_imdct.h"

#include "asm-offsets.h"

AV_CHECK_OFFSET(CeltIMDCTContext, exptab,         CELT_EXPTAB);
AV_CHECK_OFFSET(CeltIMDCTContext, fft_n,          CELT_FFT_N);
AV_CHECK_OFFSET(CeltIMDCTContext, len2,           CELT_LEN2);
AV_CHECK_OFFSET(CeltIMDCTContext, len4,           CELT_LEN4);
AV_CHECK_OFFSET(CeltIMDCTContext, tmp,            CELT_TMP);
AV_CHECK_OFFSET(CeltIMDCTContext, twiddle_exptab, CELT_TWIDDLE);

void ff_celt_imdct_half_neon(CeltIMDCTContext *s, float *dst, const float *src,
                             ptrdiff_t stride, float scale);

void ff_celt_imdct_init_aarch64(CeltIMDCTContext *s)
{
    int cpu_flags = av_get_cpu_flags();

    if (have_neon(cpu_flags)) {
        s->imdct_half = ff_celt_imdct_half_neon;
    }
}