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libavcodec
x86
audiodsp_init.c
Go to the documentation of this file.
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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 <stdint.h>
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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 "
libavutil/x86/asm.h
"
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#include "
libavutil/x86/cpu.h
"
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#include "
libavcodec/audiodsp.h
"
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int32_t
ff_scalarproduct_int16_mmxext
(
const
int16_t *v1,
const
int16_t *v2,
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int
order);
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int32_t
ff_scalarproduct_int16_sse2
(
const
int16_t *v1,
const
int16_t *v2,
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int
order);
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void
ff_vector_clip_int32_mmx
(
int32_t
*dst,
const
int32_t
*
src
,
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int32_t
min
,
int32_t
max,
unsigned
int
len
);
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void
ff_vector_clip_int32_sse2
(
int32_t
*dst,
const
int32_t
*
src
,
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int32_t
min
,
int32_t
max,
unsigned
int
len
);
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void
ff_vector_clip_int32_int_sse2
(
int32_t
*dst,
const
int32_t
*
src
,
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int32_t
min
,
int32_t
max,
unsigned
int
len
);
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void
ff_vector_clip_int32_sse4
(
int32_t
*dst,
const
int32_t
*
src
,
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int32_t
min
,
int32_t
max,
unsigned
int
len
);
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void
ff_vector_clipf_sse
(
float
*dst,
const
float
*
src
,
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float
min
,
float
max,
int
len
);
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av_cold
void
ff_audiodsp_init_x86
(
AudioDSPContext
*
c
)
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{
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int
cpu_flags =
av_get_cpu_flags
();
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if
(
EXTERNAL_MMX
(cpu_flags))
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c->
vector_clip_int32
=
ff_vector_clip_int32_mmx
;
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if
(
EXTERNAL_MMXEXT
(cpu_flags))
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c->
scalarproduct_int16
=
ff_scalarproduct_int16_mmxext
;
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if
(
EXTERNAL_SSE
(cpu_flags))
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c->
vector_clipf
=
ff_vector_clipf_sse
;
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if
(
EXTERNAL_SSE2
(cpu_flags)) {
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c->
scalarproduct_int16
=
ff_scalarproduct_int16_sse2
;
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if
(cpu_flags &
AV_CPU_FLAG_ATOM
)
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c->
vector_clip_int32
=
ff_vector_clip_int32_int_sse2
;
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else
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c->
vector_clip_int32
=
ff_vector_clip_int32_sse2
;
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}
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if
(
EXTERNAL_SSE4
(cpu_flags))
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c->
vector_clip_int32
=
ff_vector_clip_int32_sse4
;
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}
Generated on Tue Jun 21 2022 16:28:22 for FFmpeg by
1.8.1.2