FFmpeg
libavcodec
riscv
aacencdsp_init.c
Go to the documentation of this file.
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/*
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* AAC encoder assembly optimizations
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* Copyright (c) 2023 Institue of Software Chinese Academy of Sciences (ISCAS).
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include "
libavutil/attributes.h
"
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#include "
libavutil/cpu.h
"
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#include "
libavcodec/aacencdsp.h
"
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void
ff_abs_pow34_rvv
(
float
*
out
,
const
float
*in,
const
int
size
);
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void
ff_aac_quant_bands_rvv
(
int
*,
const
float
*,
const
float
*,
int
,
int
,
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int
,
const
float
,
const
float
);
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av_cold
void
ff_aacenc_dsp_init_riscv
(
AACEncDSPContext
*
s
)
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{
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#if HAVE_RVV
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int
flags
=
av_get_cpu_flags
();
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if
(
flags
&
AV_CPU_FLAG_RVV_F32
) {
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if
(
flags
&
AV_CPU_FLAG_RVB
) {
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s
->abs_pow34 =
ff_abs_pow34_rvv
;
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s
->quant_bands =
ff_aac_quant_bands_rvv
;
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}
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}
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#endif
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}
out
FILE * out
Definition:
movenc.c:55
AACEncDSPContext
Definition:
aacencdsp.h:28
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:109
AV_CPU_FLAG_RVB
#define AV_CPU_FLAG_RVB
B (bit manipulations)
Definition:
cpu.h:102
ff_abs_pow34_rvv
void ff_abs_pow34_rvv(float *out, const float *in, const int size)
AV_CPU_FLAG_RVV_F32
#define AV_CPU_FLAG_RVV_F32
Vectors of float's */.
Definition:
cpu.h:93
av_cold
#define av_cold
Definition:
attributes.h:90
s
#define s(width, name)
Definition:
cbs_vp9.c:198
ff_aacenc_dsp_init_riscv
av_cold void ff_aacenc_dsp_init_riscv(AACEncDSPContext *s)
Definition:
aacencdsp_init.c:32
cpu.h
size
int size
Definition:
twinvq_data.h:10344
attributes.h
ff_aac_quant_bands_rvv
void ff_aac_quant_bands_rvv(int *, const float *, const float *, int, int, int, const float, const float)
aacencdsp.h
flags
#define flags(name, subs,...)
Definition:
cbs_av1.c:482
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1.8.17