build: Generalize yasm/nasm-related variable names
[ffmpeg.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_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs);
27 void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs);
28
29 av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
30 {
31     int cpu_flags = av_get_cpu_flags();
32
33     if (EXTERNAL_SSE(cpu_flags)) {
34         s->lfe_fir[0]        = ff_dca_lfe_fir0_sse;
35         s->lfe_fir[1]        = ff_dca_lfe_fir1_sse;
36     }
37 }
38
39
40 #define SYNTH_FILTER_FUNC(opt)                                                 \
41 void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32],   \
42                                  const float window[512],                      \
43                                  float out[32], intptr_t offset, float scale); \
44 static void synth_filter_##opt(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], float scale) \
48 {                                                                              \
49     float *synth_buf= synth_buf_ptr + *synth_buf_offset;                       \
50                                                                                \
51     imdct->imdct_half(imdct, synth_buf, in);                                   \
52                                                                                \
53     ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window,                 \
54                                 out, *synth_buf_offset, scale);                \
55                                                                                \
56     *synth_buf_offset = (*synth_buf_offset - 32) & 511;                        \
57 }                                                                              \
58
59 #if HAVE_X86ASM
60 #if ARCH_X86_32
61 SYNTH_FILTER_FUNC(sse)
62 #endif
63 SYNTH_FILTER_FUNC(sse2)
64 SYNTH_FILTER_FUNC(avx)
65 SYNTH_FILTER_FUNC(fma3)
66 #endif /* HAVE_X86ASM */
67
68 av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
69 {
70 #if HAVE_X86ASM
71     int cpu_flags = av_get_cpu_flags();
72
73 #if ARCH_X86_32
74     if (EXTERNAL_SSE(cpu_flags)) {
75         s->synth_filter_float = synth_filter_sse;
76     }
77 #endif
78     if (EXTERNAL_SSE2(cpu_flags)) {
79         s->synth_filter_float = synth_filter_sse2;
80     }
81     if (EXTERNAL_AVX_FAST(cpu_flags)) {
82         s->synth_filter_float = synth_filter_avx;
83     }
84     if (EXTERNAL_FMA3(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_AVXSLOW)) {
85         s->synth_filter_float = synth_filter_fma3;
86     }
87 #endif /* HAVE_X86ASM */
88 }