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libavfilter
x86
yadif.c
Go to the documentation of this file.
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/*
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* Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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/internal.h
"
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#include "
libavutil/mem.h
"
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#include "
libavutil/x86/asm.h
"
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#include "
libavcodec/x86/dsputil_mmx.h
"
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#include "
libavfilter/yadif.h
"
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#if HAVE_INLINE_ASM
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DECLARE_ASM_CONST
(16,
const
xmm_reg
, pb_1) = {0x0101010101010101ULL, 0x0101010101010101ULL};
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DECLARE_ASM_CONST
(16,
const
xmm_reg
, pw_1) = {0x0001000100010001ULL, 0x0001000100010001ULL};
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#if HAVE_SSSE3_INLINE
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#define COMPILE_TEMPLATE_SSE2 1
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#define COMPILE_TEMPLATE_SSSE3 1
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#undef RENAME
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#define RENAME(a) a ## _ssse3
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#include "
yadif_template.c
"
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#undef COMPILE_TEMPLATE_SSSE3
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#endif
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#if HAVE_SSE2_INLINE
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#undef RENAME
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#define RENAME(a) a ## _sse2
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#include "
yadif_template.c
"
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#undef COMPILE_TEMPLATE_SSE2
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#endif
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#if HAVE_MMXEXT_INLINE
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#undef RENAME
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#define RENAME(a) a ## _mmxext
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#include "
yadif_template.c
"
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#endif
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#endif
/* HAVE_INLINE_ASM */
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av_cold
void
ff_yadif_init_x86
(
YADIFContext
*yadif)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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#if HAVE_MMXEXT_INLINE
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if
(cpu_flags &
AV_CPU_FLAG_MMXEXT
)
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yadif->
filter_line
= yadif_filter_line_mmxext;
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#endif
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#if HAVE_SSE2_INLINE
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if
(cpu_flags &
AV_CPU_FLAG_SSE2
)
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yadif->
filter_line
= yadif_filter_line_sse2;
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#endif
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#if HAVE_SSSE3_INLINE
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if
(cpu_flags &
AV_CPU_FLAG_SSSE3
)
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yadif->
filter_line
= yadif_filter_line_ssse3;
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#endif
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}
asm.h
mem.h
memory handling functions
yadif_template.c
xmm_reg
Definition:
dsputil_mmx.h:29
ff_yadif_init_x86
av_cold void ff_yadif_init_x86(YADIFContext *yadif)
Definition:
yadif.c:58
AV_CPU_FLAG_MMXEXT
#define AV_CPU_FLAG_MMXEXT
attributes.h
Macro definitions for various function/variable attributes.
av_cold
#define av_cold
YADIFContext::filter_line
void(* filter_line)(uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int prefs, int mrefs, int parity, int mode)
Definition:
yadif.h:53
AV_CPU_FLAG_SSSE3
#define AV_CPU_FLAG_SSSE3
internal.h
common internal API header
AV_CPU_FLAG_SSE2
#define AV_CPU_FLAG_SSE2
cpu_flags
static int cpu_flags
Definition:
dct-test.c:76
yadif.h
dsputil_mmx.h
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:25
YADIFContext
Definition:
yadif.h:25
DECLARE_ASM_CONST
#define DECLARE_ASM_CONST(n, t, v)