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fft_init_arm.c
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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 "libavutil/arm/cpu.h"
22 #include "libavcodec/fft.h"
23 #include "libavcodec/rdft.h"
25 
27 
30 
31 void ff_imdct_half_vfp(FFTContext *s, FFTSample *output, const FFTSample *input);
32 
33 void ff_imdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
34 void ff_imdct_half_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
35 void ff_mdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
36 
37 void ff_rdft_calc_neon(struct RDFTContext *s, FFTSample *z);
38 
40 {
41  int cpu_flags = av_get_cpu_flags();
42 
43  if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) {
45 #if CONFIG_MDCT
47 #endif
48  }
49 
50  if (have_neon(cpu_flags)) {
51 #if CONFIG_FFT
54 #endif
55 #if CONFIG_MDCT
60 #endif
61  }
62 }
63 
64 #if CONFIG_RDFT
66 {
67  int cpu_flags = av_get_cpu_flags();
68 
69  if (have_neon(cpu_flags))
71 }
72 #endif