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1 | /* |
2 | * Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.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/attributes.h" | |
22 | #include "libavutil/cpu.h" | |
23 | #include "libavutil/x86/cpu.h" | |
24 | #include "libavcodec/dcadsp.h" | |
25 | ||
26 | void ff_decode_hf_sse(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS], | |
27 | const int8_t hf_vq[1024][32], intptr_t vq_offset, | |
28 | int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); | |
29 | void ff_decode_hf_sse2(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS], | |
30 | const int8_t hf_vq[1024][32], intptr_t vq_offset, | |
31 | int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); | |
32 | void ff_decode_hf_sse4(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS], | |
33 | const int8_t hf_vq[1024][32], intptr_t vq_offset, | |
34 | int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); | |
35 | void ff_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs); | |
36 | void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs); | |
37 | void ff_dca_lfe_fir0_fma3(float *out, const float *in, const float *coefs); | |
38 | ||
39 | av_cold void ff_dcadsp_init_x86(DCADSPContext *s) | |
40 | { | |
41 | int cpu_flags = av_get_cpu_flags(); | |
42 | ||
43 | if (EXTERNAL_SSE(cpu_flags)) { | |
44 | #if ARCH_X86_32 | |
45 | s->decode_hf = ff_decode_hf_sse; | |
46 | #endif | |
47 | s->lfe_fir[0] = ff_dca_lfe_fir0_sse; | |
48 | s->lfe_fir[1] = ff_dca_lfe_fir1_sse; | |
49 | } | |
50 | ||
51 | if (EXTERNAL_SSE2(cpu_flags)) { | |
52 | s->decode_hf = ff_decode_hf_sse2; | |
53 | } | |
54 | ||
55 | if (EXTERNAL_SSE4(cpu_flags)) { | |
56 | s->decode_hf = ff_decode_hf_sse4; | |
57 | } | |
58 | ||
59 | if (EXTERNAL_FMA3(cpu_flags)) { | |
60 | s->lfe_fir[0] = ff_dca_lfe_fir0_fma3; | |
61 | } | |
62 | } | |
63 | ||
64 | ||
65 | #define SYNTH_FILTER_FUNC(opt) \ | |
66 | void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \ | |
67 | const float window[512], \ | |
68 | float out[32], intptr_t offset, float scale); \ | |
69 | static void synth_filter_##opt(FFTContext *imdct, \ | |
70 | float *synth_buf_ptr, int *synth_buf_offset, \ | |
71 | float synth_buf2[32], const float window[512], \ | |
72 | float out[32], const float in[32], float scale) \ | |
73 | { \ | |
74 | float *synth_buf= synth_buf_ptr + *synth_buf_offset; \ | |
75 | \ | |
76 | imdct->imdct_half(imdct, synth_buf, in); \ | |
77 | \ | |
78 | ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \ | |
79 | out, *synth_buf_offset, scale); \ | |
80 | \ | |
81 | *synth_buf_offset = (*synth_buf_offset - 32) & 511; \ | |
82 | } \ | |
83 | ||
84 | #if HAVE_YASM | |
85 | #if ARCH_X86_32 | |
86 | SYNTH_FILTER_FUNC(sse) | |
87 | #endif | |
88 | SYNTH_FILTER_FUNC(sse2) | |
89 | SYNTH_FILTER_FUNC(avx) | |
90 | SYNTH_FILTER_FUNC(fma3) | |
91 | #endif /* HAVE_YASM */ | |
92 | ||
93 | av_cold void ff_synth_filter_init_x86(SynthFilterContext *s) | |
94 | { | |
95 | #if HAVE_YASM | |
96 | int cpu_flags = av_get_cpu_flags(); | |
97 | ||
98 | #if ARCH_X86_32 | |
99 | if (EXTERNAL_SSE(cpu_flags)) { | |
100 | s->synth_filter_float = synth_filter_sse; | |
101 | } | |
102 | #endif | |
103 | if (EXTERNAL_SSE2(cpu_flags)) { | |
104 | s->synth_filter_float = synth_filter_sse2; | |
105 | } | |
106 | if (EXTERNAL_AVX(cpu_flags)) { | |
107 | s->synth_filter_float = synth_filter_avx; | |
108 | } | |
109 | if (EXTERNAL_FMA3(cpu_flags)) { | |
110 | s->synth_filter_float = synth_filter_fma3; | |
111 | } | |
112 | #endif /* HAVE_YASM */ | |
113 | } |