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dcadsp_init.c
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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 
40 {
41  int cpu_flags = av_get_cpu_flags();
42 
43  if (EXTERNAL_SSE(cpu_flags)) {
44 #if ARCH_X86_32
46 #endif
49  }
50 
51  if (EXTERNAL_SSE2(cpu_flags)) {
53  }
54 
55  if (EXTERNAL_SSE4(cpu_flags)) {
57  }
58 
59  if (EXTERNAL_FMA3(cpu_flags)) {
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
87 #endif
91 #endif /* HAVE_YASM */
92 
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 }