mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-17 21:14:47 +00:00
91b9af0058
quant_bands_signed_c: 1928.0 quant_bands_signed_sse2: 406.0 quant_bands_signed_avx: 207.0 quant_bands_unsigned_c: 1702.0 quant_bands_unsigned_sse2: 404.0 quant_bands_unsigned_avx: 209.0 Signed-off-by: James Almer <jamrial@gmail.com>
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/*
|
|
* 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/attributes.h"
|
|
#include "libavutil/x86/cpu.h"
|
|
#include "libavcodec/aacencdsp.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);
|
|
void ff_aac_quantize_bands_avx(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_aacenc_dsp_init_x86(AACEncDSPContext *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;
|
|
|
|
if (EXTERNAL_AVX_FAST(cpu_flags))
|
|
s->quant_bands = ff_aac_quantize_bands_avx;
|
|
}
|