FFmpeg
aacencdsp_init.c
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1 /*
2  * AAC encoder assembly optimizations
3  * Copyright (C) 2016 Rostislav Pehlivanov <atomnuker@gmail.com>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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 
24 #include "libavutil/attributes.h"
25 #include "libavutil/float_dsp.h"
26 #include "libavutil/x86/cpu.h"
27 #include "libavcodec/aacenc.h"
28 
29 void ff_abs_pow34_sse(float *out, const float *in, const int size);
30 
31 void ff_aac_quantize_bands_sse2(int *out, const float *in, const float *scaled,
32  int size, int is_signed, int maxval, const float Q34,
33  const float rounding);
34 
36 {
38 
40  s->abs_pow34 = ff_abs_pow34_sse;
41 
43  s->quant_bands = ff_aac_quantize_bands_sse2;
44 }
cpu.h
out
FILE * out
Definition: movenc.c:54
ff_abs_pow34_sse
void ff_abs_pow34_sse(float *out, const float *in, const int size)
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:95
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:50
av_cold
#define av_cold
Definition: attributes.h:90
s
#define s(width, name)
Definition: cbs_vp9.c:257
EXTERNAL_SSE
#define EXTERNAL_SSE(flags)
Definition: cpu.h:58
ff_aac_dsp_init_x86
av_cold void ff_aac_dsp_init_x86(AACEncContext *s)
Definition: aacencdsp_init.c:35
float_dsp.h
size
int size
Definition: twinvq_data.h:10344
attributes.h
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
AACEncContext
AAC encoder context.
Definition: aacenc.h:378
ff_aac_quantize_bands_sse2
void ff_aac_quantize_bands_sse2(int *out, const float *in, const float *scaled, int size, int is_signed, int maxval, const float Q34, const float rounding)
aacenc.h