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.
43 lines
1.3 KiB
43 lines
1.3 KiB
12 months ago
|
/*
|
||
|
|
* AAC encoder assembly optimizations
|
||
|
|
* Copyright (c) 2023 Institue of Software Chinese Academy of Sciences (ISCAS).
|
||
|
|
*
|
||
|
|
* 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/float_dsp.h"
|
||
|
|
#include "libavutil/cpu.h"
|
||
|
|
#include "libavcodec/aacenc.h"
|
||
|
|
|
||
|
|
void ff_abs_pow34_rvv(float *out, const float *in, const int size);
|
||
|
|
|
||
|
|
av_cold void ff_aac_dsp_init_riscv(AACEncContext *s)
|
||
|
|
{
|
||
|
|
#if HAVE_RVV
|
||
|
|
int flags = av_get_cpu_flags();
|
||
|
|
|
||
|
|
if (flags & AV_CPU_FLAG_RVV_F32) {
|
||
|
|
if (flags & AV_CPU_FLAG_RVB_ADDR) {
|
||
|
|
s->abs_pow34 = ff_abs_pow34_rvv;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|