FFmpeg
libavcodec
x86
exrdsp_init.c
Go to the documentation of this file.
1
/*
2
* OpenEXR (.exr) image decoder
3
*
4
* This file is part of FFmpeg.
5
*
6
* FFmpeg is free software; you can redistribute it and/or
7
* modify it under the terms of the GNU Lesser General Public
8
* License as published by the Free Software Foundation; either
9
* version 2.1 of the License, or (at your option) any later version.
10
*
11
* FFmpeg is distributed in the hope that it will be useful,
12
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14
* Lesser General Public License for more details.
15
*
16
* You should have received a copy of the GNU Lesser General Public
17
* License along with FFmpeg; if not, write to the Free Software
18
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
*/
20
21
#include "
libavutil/attributes.h
"
22
#include "
libavutil/x86/cpu.h
"
23
#include "
libavcodec/exrdsp.h
"
24
25
void
ff_reorder_pixels_sse2
(uint8_t *
dst
,
const
uint8_t *
src
, ptrdiff_t
size
);
26
27
void
ff_reorder_pixels_avx2
(uint8_t *
dst
,
const
uint8_t *
src
, ptrdiff_t
size
);
28
29
void
ff_predictor_ssse3
(uint8_t *
src
, ptrdiff_t
size
);
30
31
void
ff_predictor_avx
(uint8_t *
src
, ptrdiff_t
size
);
32
33
void
ff_predictor_avx2
(uint8_t *
src
, ptrdiff_t
size
);
34
35
av_cold
void
ff_exrdsp_init_x86
(
ExrDSPContext
*dsp)
36
{
37
int
cpu_flags
=
av_get_cpu_flags
();
38
39
if
(
EXTERNAL_SSE2
(
cpu_flags
)) {
40
dsp->
reorder_pixels
=
ff_reorder_pixels_sse2
;
41
}
42
if
(
EXTERNAL_SSSE3
(
cpu_flags
)) {
43
dsp->
predictor
=
ff_predictor_ssse3
;
44
}
45
if
(
EXTERNAL_AVX
(
cpu_flags
)) {
46
dsp->
predictor
=
ff_predictor_avx
;
47
}
48
if
(
EXTERNAL_AVX2_FAST
(
cpu_flags
)) {
49
dsp->
reorder_pixels
=
ff_reorder_pixels_avx2
;
50
dsp->
predictor
=
ff_predictor_avx2
;
51
}
52
}
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:107
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
Generated on Mon Nov 4 2024 19:21:57 for FFmpeg by
1.8.17