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libavcodec
x86
jpeg2000dsp_init.c
Go to the documentation of this file.
1
/*
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* SIMD optimized JPEG 2000 DSP functions
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* Copyright (c) 2015 James Almer
4
*
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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 "
libavcodec/jpeg2000dsp.h
"
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void
ff_ict_float_sse
(
void
*
src0
,
void
*
src1
,
void
*src2,
int
csize);
28
void
ff_ict_float_avx
(
void
*
src0
,
void
*
src1
,
void
*src2,
int
csize);
29
void
ff_rct_int_sse2
(
void
*
src0
,
void
*
src1
,
void
*src2,
int
csize);
30
void
ff_rct_int_avx2
(
void
*
src0
,
void
*
src1
,
void
*src2,
int
csize);
31
32
av_cold
void
ff_jpeg2000dsp_init_x86
(
Jpeg2000DSPContext
*
c
)
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{
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int
cpu_flags =
av_get_cpu_flags
();
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if
(
EXTERNAL_SSE
(cpu_flags)) {
36
c->
mct_decode
[
FF_DWT97
] =
ff_ict_float_sse
;
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}
38
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if
(
EXTERNAL_SSE2
(cpu_flags)) {
40
c->
mct_decode
[
FF_DWT53
] =
ff_rct_int_sse2
;
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}
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if
(
EXTERNAL_AVX_FAST
(cpu_flags)) {
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c->
mct_decode
[
FF_DWT97
] =
ff_ict_float_avx
;
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}
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if
(
EXTERNAL_AVX2
(cpu_flags)) {
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c->
mct_decode
[
FF_DWT53
] =
ff_rct_int_avx2
;
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}
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}
Jpeg2000DSPContext::mct_decode
void(* mct_decode[FF_DWT_NB])(void *src0, void *src1, void *src2, int csize)
Definition:
jpeg2000dsp.h:30
ff_ict_float_sse
void ff_ict_float_sse(void *src0, void *src1, void *src2, int csize)
cpu.h
EXTERNAL_SSE
#define EXTERNAL_SSE(flags)
Definition:
cpu.h:55
FF_DWT53
Definition:
jpeg2000dwt.h:38
attributes.h
Macro definitions for various function/variable attributes.
ff_ict_float_avx
void ff_ict_float_avx(void *src0, void *src1, void *src2, int csize)
av_cold
#define av_cold
Definition:
attributes.h:74
EXTERNAL_AVX_FAST
#define EXTERNAL_AVX_FAST(flags)
Definition:
cpu.h:66
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition:
cpu.h:56
ff_jpeg2000dsp_init_x86
av_cold void ff_jpeg2000dsp_init_x86(Jpeg2000DSPContext *c)
Definition:
jpeg2000dsp_init.c:32
src1
#define src1
Definition:
h264pred.c:139
cpu.h
Jpeg2000DSPContext
Definition:
jpeg2000dsp.h:29
src0
#define src0
Definition:
h264pred.c:138
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:76
EXTERNAL_AVX2
#define EXTERNAL_AVX2(flags)
Definition:
cpu.h:71
jpeg2000dsp.h
ff_rct_int_avx2
void ff_rct_int_avx2(void *src0, void *src1, void *src2, int csize)
c
static double c[64]
Definition:
vsrc_mptestsrc.c:87
ff_rct_int_sse2
void ff_rct_int_sse2(void *src0, void *src1, void *src2, int csize)
FF_DWT97
Definition:
jpeg2000dwt.h:37
Generated on Mon May 27 2019 05:58:45 for FFmpeg by
1.8.8