1/*
2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
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 "libavcodec/fft.h"
22#include "libavcodec/synth_filter.h"
23
24void ff_fft_permute_neon(FFTContext *s, FFTComplex *z);
25void ff_fft_calc_neon(FFTContext *s, FFTComplex *z);
26
27void ff_imdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
28void ff_imdct_half_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
29void ff_mdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
30
31void ff_rdft_calc_neon(struct RDFTContext *s, FFTSample *z);
32
33void ff_synth_filter_float_neon(FFTContext *imdct,
34                                float *synth_buf_ptr, int *synth_buf_offset,
35                                float synth_buf2[32], const float window[512],
36                                float out[32], const float in[32],
37                                float scale, float bias);
38
39av_cold void ff_fft_init_arm(FFTContext *s)
40{
41    if (HAVE_NEON) {
42        s->fft_permute  = ff_fft_permute_neon;
43        s->fft_calc     = ff_fft_calc_neon;
44        s->imdct_calc   = ff_imdct_calc_neon;
45        s->imdct_half   = ff_imdct_half_neon;
46        s->mdct_calc    = ff_mdct_calc_neon;
47        s->permutation  = FF_MDCT_PERM_INTERLEAVE;
48    }
49}
50
51#if CONFIG_RDFT
52av_cold void ff_rdft_init_arm(RDFTContext *s)
53{
54    if (HAVE_NEON)
55        s->rdft_calc    = ff_rdft_calc_neon;
56}
57#endif
58
59#if CONFIG_DCA_DECODER
60av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
61{
62    if (HAVE_NEON)
63        s->synth_filter_float = ff_synth_filter_float_neon;
64}
65#endif
66