FFmpeg
libavfilter
x86
vf_pp7_init.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2005 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "
libavutil/attributes.h
"
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#include "
libavutil/cpu.h
"
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#include "
libavutil/x86/cpu.h
"
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#include "
libavfilter/vf_pp7.h
"
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void
ff_pp7_dctB_mmx
(int16_t *
dst
, int16_t *
src
);
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av_cold
void
ff_pp7_init_x86
(
PP7Context
*p)
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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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p->
dctB
=
ff_pp7_dctB_mmx
;
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}
cpu.h
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:109
cpu_flags
static atomic_int cpu_flags
Definition:
cpu.c:56
av_cold
#define av_cold
Definition:
attributes.h:90
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition:
dsp.h:83
cpu.h
vf_pp7.h
attributes.h
ff_pp7_dctB_mmx
void ff_pp7_dctB_mmx(int16_t *dst, int16_t *src)
ff_pp7_init_x86
av_cold void ff_pp7_init_x86(PP7Context *p)
Definition:
vf_pp7_init.c:28
PP7Context
Definition:
vf_pp7.h:28
EXTERNAL_MMX
#define EXTERNAL_MMX(flags)
Definition:
cpu.h:56
src
#define src
Definition:
vp8dsp.c:248
PP7Context::dctB
void(* dctB)(int16_t *dst, int16_t *src)
Definition:
vf_pp7.h:41
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