FFmpeg
float_dsp_init.c
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1 /*
2  * Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
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 "config.h"
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/float_dsp.h"
25 #include "libavutil/ppc/cpu.h"
26 #include "float_dsp_altivec.h"
27 #include "float_dsp_vsx.h"
28 
30 {
35 
36  if (!bit_exact) {
38  }
39  }
40 
41  // The disabled function below are near identical to altivec and have
42  // been disabled to reduce code duplication
43  if (PPC_VSX(av_get_cpu_flags())) {
44 // fdsp->vector_fmul = ff_vector_fmul_vsx;
46 // fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_vsx;
47 
48 // if (!bit_exact) {
49 // fdsp->vector_fmul_window = ff_vector_fmul_window_vsx;
50 // }
51  }
52 }
#define PPC_VSX(flags)
Definition: cpu.h:26
void ff_vector_fmul_reverse_altivec(float *dst, const float *src0, const float *src1, int len)
void ff_vector_fmul_add_altivec(float *dst, const float *src0, const float *src1, const float *src2, int len)
void ff_vector_fmul_window_altivec(float *dst, const float *src0, const float *src1, const float *win, int len)
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:82
void(* vector_fmul)(float *dst, const float *src0, const float *src1, int len)
Calculate the entry wise product of two vectors of floats and store the result in a vector of floats...
Definition: float_dsp.h:38
av_cold void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int bit_exact)
void(* vector_fmul_window)(float *dst, const float *src0, const float *src1, const float *win, int len)
Overlap/add with window function.
Definition: float_dsp.h:119
#define PPC_ALTIVEC(flags)
Definition: cpu.h:25
void ff_vector_fmul_altivec(float *dst, const float *src0, const float *src1, int len)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
void(* vector_fmul_add)(float *dst, const float *src0, const float *src1, const float *src2, int len)
Calculate the entry wise product of two vectors of floats, add a third vector of floats and store the...
Definition: float_dsp.h:137
void ff_vector_fmul_add_vsx(float *dst, const float *src0, const float *src1, const float *src2, int len)
Definition: float_dsp_vsx.c:74
void(* vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len)
Calculate the entry wise product of two vectors of floats, and store the result in a vector of floats...
Definition: float_dsp.h:154