x86/synth_filter: add synth_filter_avx
[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_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 #endif /* HAVE_YASM */
86
87 av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
88 {
89 #if HAVE_YASM
90     int cpu_flags = av_get_cpu_flags();
91
92 #if ARCH_X86_32
93     if (EXTERNAL_SSE(cpu_flags)) {
94         s->synth_filter_float = synth_filter_sse;
95     }
96 #endif
97     if (EXTERNAL_SSE2(cpu_flags)) {
98         s->synth_filter_float = synth_filter_sse2;
99     }
100     if (EXTERNAL_AVX(cpu_flags)) {
101         s->synth_filter_float = synth_filter_avx;
102     }
103 #endif /* HAVE_YASM */
104 }