FFmpeg
libavcodec
x86
exrdsp_init.c
Go to the documentation of this file.
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/*
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* OpenEXR (.exr) image decoder
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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/x86/cpu.h
"
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#include "
libavcodec/exrdsp.h
"
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void
ff_reorder_pixels_sse2
(uint8_t *
dst
,
const
uint8_t *
src
, ptrdiff_t
size
);
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void
ff_reorder_pixels_avx2
(uint8_t *
dst
,
const
uint8_t *
src
, ptrdiff_t
size
);
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void
ff_predictor_ssse3
(uint8_t *
src
, ptrdiff_t
size
);
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void
ff_predictor_avx
(uint8_t *
src
, ptrdiff_t
size
);
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void
ff_predictor_avx2
(uint8_t *
src
, ptrdiff_t
size
);
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av_cold
void
ff_exrdsp_init_x86
(
ExrDSPContext
*dsp)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
EXTERNAL_SSE2
(
cpu_flags
)) {
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dsp->
reorder_pixels
=
ff_reorder_pixels_sse2
;
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}
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if
(
EXTERNAL_SSSE3
(
cpu_flags
)) {
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dsp->
predictor
=
ff_predictor_ssse3
;
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}
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if
(
EXTERNAL_AVX
(
cpu_flags
)) {
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dsp->
predictor
=
ff_predictor_avx
;
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}
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if
(
EXTERNAL_AVX2_FAST
(
cpu_flags
)) {
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dsp->
reorder_pixels
=
ff_reorder_pixels_avx2
;
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dsp->
predictor
=
ff_predictor_avx2
;
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}
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}
cpu.h
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition:
cpu.h:79
ExrDSPContext::predictor
void(* predictor)(uint8_t *src, ptrdiff_t size)
Definition:
exrdsp.h:27
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
ff_reorder_pixels_avx2
void ff_reorder_pixels_avx2(uint8_t *dst, const uint8_t *src, ptrdiff_t size)
ExrDSPContext
Definition:
exrdsp.h:25
av_cold
#define av_cold
Definition:
attributes.h:90
exrdsp.h
ff_predictor_avx
void ff_predictor_avx(uint8_t *src, ptrdiff_t size)
ff_predictor_avx2
void ff_predictor_avx2(uint8_t *src, ptrdiff_t size)
ff_predictor_ssse3
void ff_predictor_ssse3(uint8_t *src, ptrdiff_t size)
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition:
dsp.h:83
ff_reorder_pixels_sse2
void ff_reorder_pixels_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t size)
size
int size
Definition:
twinvq_data.h:10344
attributes.h
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition:
cpu.h:59
ExrDSPContext::reorder_pixels
void(* reorder_pixels)(uint8_t *dst, const uint8_t *src, ptrdiff_t size)
Definition:
exrdsp.h:26
EXTERNAL_AVX
#define EXTERNAL_AVX(flags)
Definition:
cpu.h:70
ff_exrdsp_init_x86
av_cold void ff_exrdsp_init_x86(ExrDSPContext *dsp)
Definition:
exrdsp_init.c:35
EXTERNAL_SSSE3
#define EXTERNAL_SSSE3(flags)
Definition:
cpu.h:65
src
#define src
Definition:
vp8dsp.c:248
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