2 * Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
4 * This file is part of FFmpeg.
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.
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.
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
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavcodec/dcadsp.h"
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
);
39 av_cold
void ff_dcadsp_init_x86(DCADSPContext
*s
)
41 int cpu_flags
= av_get_cpu_flags();
43 if (EXTERNAL_SSE(cpu_flags
)) {
45 s
->decode_hf
= ff_decode_hf_sse
;
47 s
->lfe_fir
[0] = ff_dca_lfe_fir0_sse
;
48 s
->lfe_fir
[1] = ff_dca_lfe_fir1_sse
;
51 if (EXTERNAL_SSE2(cpu_flags
)) {
52 s
->decode_hf
= ff_decode_hf_sse2
;
55 if (EXTERNAL_SSE4(cpu_flags
)) {
56 s
->decode_hf
= ff_decode_hf_sse4
;
59 if (EXTERNAL_FMA3(cpu_flags
)) {
60 s
->lfe_fir
[0] = ff_dca_lfe_fir0_fma3
;
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) \
74 float *synth_buf= synth_buf_ptr + *synth_buf_offset; \
76 imdct->imdct_half(imdct, synth_buf, in); \
78 ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \
79 out, *synth_buf_offset, scale); \
81 *synth_buf_offset = (*synth_buf_offset - 32) & 511; \
86 SYNTH_FILTER_FUNC(sse
)
88 SYNTH_FILTER_FUNC(sse2
)
89 SYNTH_FILTER_FUNC(avx
)
90 SYNTH_FILTER_FUNC(fma3
)
91 #endif /* HAVE_YASM */
93 av_cold
void ff_synth_filter_init_x86(SynthFilterContext
*s
)
96 int cpu_flags
= av_get_cpu_flags();
99 if (EXTERNAL_SSE(cpu_flags
)) {
100 s
->synth_filter_float
= synth_filter_sse
;
103 if (EXTERNAL_SSE2(cpu_flags
)) {
104 s
->synth_filter_float
= synth_filter_sse2
;
106 if (EXTERNAL_AVX(cpu_flags
)) {
107 s
->synth_filter_float
= synth_filter_avx
;
109 if (EXTERNAL_FMA3(cpu_flags
)) {
110 s
->synth_filter_float
= synth_filter_fma3
;
112 #endif /* HAVE_YASM */