FFmpeg
libavfilter
x86
vf_framerate_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 "
libavutil/cpu.h
"
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#include "
libavutil/x86/cpu.h
"
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#include "
libavfilter/framerate.h
"
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void
ff_blend_frames_ssse3
(
BLEND_FUNC_PARAMS
);
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void
ff_blend_frames_avx2
(
BLEND_FUNC_PARAMS
);
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void
ff_blend_frames16_sse4
(
BLEND_FUNC_PARAMS
);
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void
ff_blend_frames16_avx2
(
BLEND_FUNC_PARAMS
);
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void
ff_framerate_init_x86
(
FrameRateContext
*
s
)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
s
->bitdepth == 8) {
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if
(
EXTERNAL_AVX2_FAST
(
cpu_flags
))
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s
->blend =
ff_blend_frames_avx2
;
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else
if
(
EXTERNAL_SSSE3
(
cpu_flags
))
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s
->blend =
ff_blend_frames_ssse3
;
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}
else
{
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if
(
EXTERNAL_AVX2_FAST
(
cpu_flags
))
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s
->blend =
ff_blend_frames16_avx2
;
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else
if
(
EXTERNAL_SSE4
(
cpu_flags
))
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s
->blend =
ff_blend_frames16_sse4
;
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}
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}
cpu.h
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition:
cpu.h:79
ff_blend_frames16_sse4
void ff_blend_frames16_sse4(BLEND_FUNC_PARAMS)
framerate.h
FrameRateContext
Definition:
framerate.h:35
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
s
#define s(width, name)
Definition:
cbs_vp9.c:198
BLEND_FUNC_PARAMS
#define BLEND_FUNC_PARAMS
Definition:
framerate.h:25
ff_framerate_init_x86
void ff_framerate_init_x86(FrameRateContext *s)
Definition:
vf_framerate_init.c:28
cpu.h
ff_blend_frames_ssse3
void ff_blend_frames_ssse3(BLEND_FUNC_PARAMS)
ff_blend_frames16_avx2
void ff_blend_frames16_avx2(BLEND_FUNC_PARAMS)
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition:
cpu.h:68
ff_blend_frames_avx2
void ff_blend_frames_avx2(BLEND_FUNC_PARAMS)
EXTERNAL_SSSE3
#define EXTERNAL_SSSE3(flags)
Definition:
cpu.h:65
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