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1 | /* |
2 | * Copyright (c) 2010 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 "config.h" | |
22 | ||
23 | #include "libavutil/arm/cpu.h" | |
24 | #include "libavutil/attributes.h" | |
25 | #include "libavcodec/dcadsp.h" | |
26 | ||
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); | |
29 | ||
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); | |
32 | ||
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); | |
39 | ||
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], | |
44 | float scale); | |
45 | ||
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], | |
50 | float scale); | |
51 | ||
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); | |
57 | ||
58 | av_cold void ff_dcadsp_init_arm(DCADSPContext *s) | |
59 | { | |
60 | int cpu_flags = av_get_cpu_flags(); | |
61 | ||
62 | if (have_vfp(cpu_flags) && !have_vfpv3(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; | |
66 | } | |
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; | |
71 | } | |
72 | } | |
73 | ||
74 | av_cold void ff_synth_filter_init_arm(SynthFilterContext *s) | |
75 | { | |
76 | int cpu_flags = av_get_cpu_flags(); | |
77 | ||
78 | if (have_vfp(cpu_flags) && !have_vfpv3(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; | |
82 | } |