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/cpu.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/sbrdsp.h"
26 
27 float ff_sbr_sum_square_sse(float (*x)[2], int n);
28 void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2],
29  const float *g_filt, int m_max, intptr_t ixh);
30 void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2],
31  const float alpha0[2], const float alpha1[2],
32  float bw, int start, int end);
33 
35 {
36  int mm_flags = av_get_cpu_flags();
37 
38  if (EXTERNAL_SSE(mm_flags)) {
42  }
43 }
void ff_sbr_hf_g_filt_sse(float(*Y)[2], const float(*X_high)[40][2], const float *g_filt, int m_max, intptr_t ixh)
float(* sum_square)(float(*x)[2], int n)
Definition: sbrdsp.h:28
void ff_sbr_hf_gen_sse(float(*X_high)[2], const float(*X_low)[2], const float alpha0[2], const float alpha1[2], float bw, int start, int end)
void ff_sbrdsp_init_x86(SBRDSPContext *s)
Definition: sbrdsp_init.c:34
#define EXTERNAL_SSE(flags)
Definition: cpu.h:35
Definition: vf_drawbox.c:36
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:25
float ff_sbr_sum_square_sse(float(*x)[2], int n)
void(* hf_gen)(float(*X_high)[2], const float(*X_low)[2], const float alpha0[2], const float alpha1[2], float bw, int start, int end)
Definition: sbrdsp.h:35
void(* hf_g_filt)(float(*Y)[2], const float(*X_high)[40][2], const float *g_filt, int m_max, intptr_t ixh)
Definition: sbrdsp.h:38