FFmpeg
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libavcodec
fmtconvert.h
Go to the documentation of this file.
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/*
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* Format Conversion Utils
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* Copyright (c) 2000, 2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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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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#ifndef AVCODEC_FMTCONVERT_H
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#define AVCODEC_FMTCONVERT_H
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#include <stdint.h>
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typedef
struct
FmtConvertContext
{
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/**
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* Convert an array of int32_t to float and multiply by a float value.
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* @param dst destination array of float.
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* constraints: 16-byte aligned
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* @param src source array of int32_t.
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* constraints: 16-byte aligned
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* @param len number of elements to convert.
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* constraints: multiple of 8
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*/
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void (*
int32_to_float_fmul_scalar
)(
float
*
dst
,
const
int32_t
*
src
,
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float
mul,
int
len
);
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}
FmtConvertContext
;
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void
ff_fmt_convert_init
(
FmtConvertContext
*
c
);
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void
ff_fmt_convert_init_aarch64
(
FmtConvertContext
*
c
);
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void
ff_fmt_convert_init_arm
(
FmtConvertContext
*
c
);
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void
ff_fmt_convert_init_ppc
(
FmtConvertContext
*
c
);
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void
ff_fmt_convert_init_riscv
(
FmtConvertContext
*
c
);
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void
ff_fmt_convert_init_x86
(
FmtConvertContext
*
c
);
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void
ff_fmt_convert_init_mips
(
FmtConvertContext
*
c
);
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#endif
/* AVCODEC_FMTCONVERT_H */
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition
dsp.h:87
int32_t
int32_t
Definition
audioconvert.c:56
ff_fmt_convert_init_x86
void ff_fmt_convert_init_x86(FmtConvertContext *c)
Definition
fmtconvert_init.c:32
ff_fmt_convert_init
void ff_fmt_convert_init(FmtConvertContext *c)
Definition
fmtconvert.c:35
ff_fmt_convert_init_aarch64
void ff_fmt_convert_init_aarch64(FmtConvertContext *c)
Definition
fmtconvert_init.c:30
ff_fmt_convert_init_mips
void ff_fmt_convert_init_mips(FmtConvertContext *c)
Definition
fmtconvert_mips.c:136
ff_fmt_convert_init_ppc
void ff_fmt_convert_init_ppc(FmtConvertContext *c)
Definition
fmtconvert_altivec.c:57
ff_fmt_convert_init_riscv
void ff_fmt_convert_init_riscv(FmtConvertContext *c)
Definition
fmtconvert_init.c:31
ff_fmt_convert_init_arm
void ff_fmt_convert_init_arm(FmtConvertContext *c)
Definition
fmtconvert_init_arm.c:33
FmtConvertContext
Definition
fmtconvert.h:28
FmtConvertContext::int32_to_float_fmul_scalar
void(* int32_to_float_fmul_scalar)(float *dst, const int32_t *src, float mul, int len)
Convert an array of int32_t to float and multiply by a float value.
Definition
fmtconvert.h:38
src
#define src
Definition
vp8dsp.c:248
len
int len
Definition
vorbis_enc_data.h:426
c
static double c[64]
Definition
vsrc_mptestsrc.c:89
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