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sbrdsp_init.c
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1 /*
2  * AAC Spectral Band Replication decoding functions
3  * Copyright (c) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
4  *
5  * This file is part of Libav.
6  *
7  * Libav is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * Libav is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with Libav; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "config.h"
23 #include "libavutil/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/sbrdsp.h"
27 
28 float ff_sbr_sum_square_sse(float (*x)[2], int n);
29 void ff_sbr_sum64x5_sse(float *z);
30 void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2],
31  const float *g_filt, int m_max, intptr_t ixh);
32 void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2],
33  const float alpha0[2], const float alpha1[2],
34  float bw, int start, int end);
35 void ff_sbr_qmf_post_shuffle_sse(float W[32][2], const float *z);
36 
38 {
39  int mm_flags = av_get_cpu_flags();
40 
41  if (EXTERNAL_SSE(mm_flags)) {
47  }
48 }