mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.5 KiB
44 lines
1.5 KiB
8 years ago
|
/*
|
||
|
|
* AAC encoder assembly optimizations
|
||
|
|
* Copyright (C) 2016 Rostislav Pehlivanov <atomnuker@gmail.com>
|
||
|
|
*
|
||
|
|
* This file is part of FFmpeg.
|
||
|
|
*
|
||
|
|
* FFmpeg is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with FFmpeg; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#include "libavutil/float_dsp.h"
|
||
|
|
#include "libavutil/x86/cpu.h"
|
||
|
|
#include "libavcodec/aacenc.h"
|
||
|
|
|
||
|
|
void ff_abs_pow34_sse(float *out, const float *in, const int size);
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
av_cold void ff_aac_dsp_init_x86(AACEncContext *s)
|
||
|
|
{
|
||
|
|
int cpu_flags = av_get_cpu_flags();
|
||
|
|
|
||
|
|
if (EXTERNAL_SSE(cpu_flags))
|
||
|
|
s->abs_pow34 = ff_abs_pow34_sse;
|
||
|
|
|
||
|
|
if (EXTERNAL_SSE2(cpu_flags))
|
||
|
|
s->quant_bands = ff_aac_quantize_bands_sse2;
|
||
|
|
}
|