2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
4 * This file is part of Libav.
6 * Libav 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.
11 * Libav 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.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "libavutil/arm/cpu.h"
24 #include "libavutil/attributes.h"
25 #include "libavcodec/dcadsp.h"
27 void ff_dca_lfe_fir_vfp(float *out, const float *in, const float *coefs,
28 int decifactor, float scale);
29 void ff_dca_qmf_32_subbands_vfp(float samples_in[32][8], int sb_act,
30 SynthFilterContext *synth, FFTContext *imdct,
31 float synth_buf_ptr[512],
32 int *synth_buf_offset, float synth_buf2[32],
33 const float window[512], float *samples_out,
34 float raXin[32], float scale);
35 void ff_dca_lfe_fir_neon(float *out, const float *in, const float *coefs,
36 int decifactor, float scale);
38 void ff_synth_filter_float_vfp(FFTContext *imdct,
39 float *synth_buf_ptr, int *synth_buf_offset,
40 float synth_buf2[32], const float window[512],
41 float out[32], const float in[32],
44 void ff_synth_filter_float_neon(FFTContext *imdct,
45 float *synth_buf_ptr, int *synth_buf_offset,
46 float synth_buf2[32], const float window[512],
47 float out[32], const float in[32],
50 av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
52 int cpu_flags = av_get_cpu_flags();
54 if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) {
55 s->lfe_fir = ff_dca_lfe_fir_vfp;
56 s->qmf_32_subbands = ff_dca_qmf_32_subbands_vfp;
58 if (have_neon(cpu_flags))
59 s->lfe_fir = ff_dca_lfe_fir_neon;
62 av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
64 int cpu_flags = av_get_cpu_flags();
66 if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags))
67 s->synth_filter_float = ff_synth_filter_float_vfp;
68 if (have_neon(cpu_flags))
69 s->synth_filter_float = ff_synth_filter_float_neon;