x86: check for AV_CPU_FLAG_AVXSLOW where useful
[libav.git] / libavcodec / x86 / dcadsp_init.c
1 /*
2 * Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
3 *
4 * This file is part of Libav.
5 *
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.
10 *
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.
15 *
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
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
38 av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
39 {
40 int cpu_flags = av_get_cpu_flags();
41
42 if (EXTERNAL_SSE(cpu_flags)) {
43 #if ARCH_X86_32
44 s->decode_hf = ff_decode_hf_sse;
45 #endif
46 s->lfe_fir[0] = ff_dca_lfe_fir0_sse;
47 s->lfe_fir[1] = ff_dca_lfe_fir1_sse;
48 }
49
50 if (EXTERNAL_SSE2(cpu_flags)) {
51 s->decode_hf = ff_decode_hf_sse2;
52 }
53
54 if (EXTERNAL_SSE4(cpu_flags)) {
55 s->decode_hf = ff_decode_hf_sse4;
56 }
57 }
58
59
60 #define SYNTH_FILTER_FUNC(opt) \
61 void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \
62 const float window[512], \
63 float out[32], intptr_t offset, float scale); \
64 static void synth_filter_##opt(FFTContext *imdct, \
65 float *synth_buf_ptr, int *synth_buf_offset, \
66 float synth_buf2[32], const float window[512], \
67 float out[32], const float in[32], float scale) \
68 { \
69 float *synth_buf= synth_buf_ptr + *synth_buf_offset; \
70 \
71 imdct->imdct_half(imdct, synth_buf, in); \
72 \
73 ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \
74 out, *synth_buf_offset, scale); \
75 \
76 *synth_buf_offset = (*synth_buf_offset - 32) & 511; \
77 } \
78
79 #if HAVE_YASM
80 #if ARCH_X86_32
81 SYNTH_FILTER_FUNC(sse)
82 #endif
83 SYNTH_FILTER_FUNC(sse2)
84 SYNTH_FILTER_FUNC(avx)
85 SYNTH_FILTER_FUNC(fma3)
86 #endif /* HAVE_YASM */
87
88 av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
89 {
90 #if HAVE_YASM
91 int cpu_flags = av_get_cpu_flags();
92
93 #if ARCH_X86_32
94 if (EXTERNAL_SSE(cpu_flags)) {
95 s->synth_filter_float = synth_filter_sse;
96 }
97 #endif
98 if (EXTERNAL_SSE2(cpu_flags)) {
99 s->synth_filter_float = synth_filter_sse2;
100 }
101 if (EXTERNAL_AVX_FAST(cpu_flags)) {
102 s->synth_filter_float = synth_filter_avx;
103 }
104 if (EXTERNAL_FMA3(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_AVXSLOW)) {
105 s->synth_filter_float = synth_filter_fma3;
106 }
107 #endif /* HAVE_YASM */
108 }