FFmpeg
libavfilter
x86
vf_threshold_init.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2015 Paul B Mahol
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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/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/threshold.h
"
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#define THRESHOLD_FUNC(depth, opt) \
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void ff_threshold##depth##_##opt(const uint8_t *in, const uint8_t *threshold,\
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const uint8_t *min, const uint8_t *max, \
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uint8_t *out, \
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ptrdiff_t ilinesize, ptrdiff_t tlinesize, \
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ptrdiff_t flinesize, ptrdiff_t slinesize, \
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ptrdiff_t olinesize, \
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int w, int h);
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THRESHOLD_FUNC
(8, sse4)
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THRESHOLD_FUNC
(8, avx2)
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THRESHOLD_FUNC
(16, sse4)
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THRESHOLD_FUNC
(16, avx2)
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av_cold
void
ff_threshold_init_x86
(
ThresholdContext
*
s
)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
s
->depth == 8) {
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if
(
EXTERNAL_SSE4
(
cpu_flags
)) {
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s
->threshold = ff_threshold8_sse4;
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}
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if
(
EXTERNAL_AVX2_FAST
(
cpu_flags
)) {
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s
->threshold = ff_threshold8_avx2;
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}
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}
else
if
(
s
->depth == 16) {
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if
(
EXTERNAL_SSE4
(
cpu_flags
)) {
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s
->threshold = ff_threshold16_sse4;
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}
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if
(
EXTERNAL_AVX2_FAST
(
cpu_flags
)) {
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s
->threshold = ff_threshold16_avx2;
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}
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}
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}
cpu.h
threshold.h
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition:
cpu.h:79
ff_threshold_init_x86
av_cold void ff_threshold_init_x86(ThresholdContext *s)
Definition:
vf_threshold_init.c:40
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:103
cpu_flags
static atomic_int cpu_flags
Definition:
cpu.c:52
av_cold
#define av_cold
Definition:
attributes.h:90
s
#define s(width, name)
Definition:
cbs_vp9.c:256
cpu.h
ThresholdContext
Definition:
threshold.h:27
attributes.h
THRESHOLD_FUNC
#define THRESHOLD_FUNC(depth, opt)
Definition:
vf_threshold_init.c:26
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition:
cpu.h:68
Generated on Tue Feb 28 2023 21:34:01 for FFmpeg by
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