2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
4 * This file is part of FFmpeg.
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.
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.
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
23 #include "libavutil/arm/cpu.h"
24 #include "libavutil/attributes.h"
25 #include "libavcodec/dcadsp.h"
27 void ff_dca_lfe_fir0_neon(float *out, const float *in, const float *coefs);
28 void ff_dca_lfe_fir1_neon(float *out, const float *in, const float *coefs);
30 void ff_dca_lfe_fir32_vfp(float *out, const float *in, const float *coefs);
31 void ff_dca_lfe_fir64_vfp(float *out, const float *in, const float *coefs);
33 void ff_dca_qmf_32_subbands_vfp(float samples_in[32][8], int sb_act,
34 SynthFilterContext *synth, FFTContext *imdct,
35 float synth_buf_ptr[512],
36 int *synth_buf_offset, float synth_buf2[32],
37 const float window[512], float *samples_out,
38 float raXin[32], float scale);
40 void ff_synth_filter_float_vfp(FFTContext *imdct,
41 float *synth_buf_ptr, int *synth_buf_offset,
42 float synth_buf2[32], const float window[512],
43 float out[32], const float in[32],
46 void ff_synth_filter_float_neon(FFTContext *imdct,
47 float *synth_buf_ptr, int *synth_buf_offset,
48 float synth_buf2[32], const float window[512],
49 float out[32], const float in[32],
52 void ff_decode_hf_neon(float dst[DCA_SUBBANDS][8],
53 const int32_t vq_num[DCA_SUBBANDS],
54 const int8_t hf_vq[1024][32], intptr_t vq_offset,
55 int32_t scale[DCA_SUBBANDS][2],
56 intptr_t start, intptr_t end);
58 av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
60 int cpu_flags = av_get_cpu_flags();
62 if (have_vfp_vm(cpu_flags)) {
63 s->lfe_fir[0] = ff_dca_lfe_fir32_vfp;
64 s->lfe_fir[1] = ff_dca_lfe_fir64_vfp;
65 s->qmf_32_subbands = ff_dca_qmf_32_subbands_vfp;
67 if (have_neon(cpu_flags)) {
68 s->lfe_fir[0] = ff_dca_lfe_fir0_neon;
69 s->lfe_fir[1] = ff_dca_lfe_fir1_neon;
70 s->decode_hf = ff_decode_hf_neon;
74 av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
76 int cpu_flags = av_get_cpu_flags();
78 if (have_vfp_vm(cpu_flags))
79 s->synth_filter_float = ff_synth_filter_float_vfp;
80 if (have_neon(cpu_flags))
81 s->synth_filter_float = ff_synth_filter_float_neon;