Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * This file is part of FFmpeg. | |
3 | * | |
4 | * FFmpeg 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 | * FFmpeg 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 FFmpeg; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #include <stddef.h> | |
20 | ||
21 | #include "libavutil/cpu.h" | |
22 | #include "libavutil/aarch64/cpu.h" | |
23 | #include "libavutil/internal.h" | |
24 | #include "libavcodec/opus_imdct.h" | |
25 | ||
26 | #include "asm-offsets.h" | |
27 | ||
28 | AV_CHECK_OFFSET(CeltIMDCTContext, exptab, CELT_EXPTAB); | |
29 | AV_CHECK_OFFSET(CeltIMDCTContext, fft_n, CELT_FFT_N); | |
30 | AV_CHECK_OFFSET(CeltIMDCTContext, len2, CELT_LEN2); | |
31 | AV_CHECK_OFFSET(CeltIMDCTContext, len4, CELT_LEN4); | |
32 | AV_CHECK_OFFSET(CeltIMDCTContext, tmp, CELT_TMP); | |
33 | AV_CHECK_OFFSET(CeltIMDCTContext, twiddle_exptab, CELT_TWIDDLE); | |
34 | ||
35 | void ff_celt_imdct_half_neon(CeltIMDCTContext *s, float *dst, const float *src, | |
36 | ptrdiff_t stride, float scale); | |
37 | ||
38 | void ff_celt_imdct_init_aarch64(CeltIMDCTContext *s) | |
39 | { | |
40 | int cpu_flags = av_get_cpu_flags(); | |
41 | ||
42 | if (have_neon(cpu_flags)) { | |
43 | s->imdct_half = ff_celt_imdct_half_neon; | |
44 | } | |
45 | } |