replaygain: remove unused variable
[libav.git] / libavcodec / x86 / 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 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
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26void 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);
29void 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);
32void 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);
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35void ff_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs);
36void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs);
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37
38av_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
4cb69642 44 s->decode_hf = ff_decode_hf_sse;
5b59a9fc 45#endif
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46 s->lfe_fir[0] = ff_dca_lfe_fir0_sse;
47 s->lfe_fir[1] = ff_dca_lfe_fir1_sse;
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48 }
49
50 if (EXTERNAL_SSE2(cpu_flags)) {
4cb69642 51 s->decode_hf = ff_decode_hf_sse2;
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52 }
53
54 if (EXTERNAL_SSE4(cpu_flags)) {
4cb69642 55 s->decode_hf = ff_decode_hf_sse4;
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56 }
57}
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58
59void ff_synth_filter_inner_sse2(float *synth_buf_ptr, float synth_buf2[32],
60 const float window[512],
61 float out[32], intptr_t offset, float scale);
62
3bfdee00 63#if HAVE_YASM
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64static void synth_filter_sse2(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_sse2(synth_buf, synth_buf2, window,
74 out, *synth_buf_offset, scale);
75
76 *synth_buf_offset = (*synth_buf_offset - 32) & 511;
77}
3bfdee00 78#endif /* HAVE_YASM */
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79
80av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
81{
3bfdee00 82#if HAVE_YASM
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83 int cpu_flags = av_get_cpu_flags();
84
85 if (EXTERNAL_SSE2(cpu_flags)) {
86 s->synth_filter_float = synth_filter_sse2;
87 }
3bfdee00 88#endif /* HAVE_YASM */
08e3ea60 89}