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libavcodec
x86
v210-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 "
libavcodec/v210dec.h
"
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extern
void
ff_v210_planar_unpack_unaligned_ssse3
(
const
uint32_t *
src
, uint16_t *
y
, uint16_t *
u
, uint16_t *
v
,
int
width
);
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extern
void
ff_v210_planar_unpack_unaligned_avx
(
const
uint32_t *
src
, uint16_t *
y
, uint16_t *
u
, uint16_t *
v
,
int
width
);
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extern
void
ff_v210_planar_unpack_aligned_ssse3
(
const
uint32_t *
src
, uint16_t *
y
, uint16_t *
u
, uint16_t *
v
,
int
width
);
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extern
void
ff_v210_planar_unpack_aligned_avx
(
const
uint32_t *
src
, uint16_t *
y
, uint16_t *
u
, uint16_t *
v
,
int
width
);
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av_cold
void
ff_v210_x86_init
(
V210DecContext
*
s
)
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{
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int
cpu_flags =
av_get_cpu_flags
();
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#if HAVE_YASM
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if
(s->
aligned_input
) {
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if
(cpu_flags &
AV_CPU_FLAG_SSSE3
)
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s->
unpack_frame
=
ff_v210_planar_unpack_aligned_ssse3
;
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if
(
HAVE_AVX_EXTERNAL
&& cpu_flags &
AV_CPU_FLAG_AVX
)
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s->
unpack_frame
=
ff_v210_planar_unpack_aligned_avx
;
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}
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else
{
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if
(cpu_flags &
AV_CPU_FLAG_SSSE3
)
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s->
unpack_frame
=
ff_v210_planar_unpack_unaligned_ssse3
;
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if
(
HAVE_AVX_EXTERNAL
&& cpu_flags &
AV_CPU_FLAG_AVX
)
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s->
unpack_frame
=
ff_v210_planar_unpack_unaligned_avx
;
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}
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#endif
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}
AV_CPU_FLAG_AVX
#define AV_CPU_FLAG_AVX
AVX functions: requires OS support even if YMM registers aren't used.
Definition:
cpu.h:45
v
float v
Definition:
avf_showspectrum.c:96
s
const char * s
Definition:
avisynth_c.h:631
av_cold
#define av_cold
Definition:
attributes.h:74
V210DecContext
Definition:
v210dec.h:26
HAVE_AVX_EXTERNAL
#define HAVE_AVX_EXTERNAL
Definition:
config.h:96
AV_CPU_FLAG_SSSE3
#define AV_CPU_FLAG_SSSE3
Conroe SSSE3 functions.
Definition:
cpu.h:41
ff_v210_planar_unpack_aligned_avx
void ff_v210_planar_unpack_aligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
y
float y
Definition:
avf_showspectrum.c:96
u
float u
Definition:
avf_showspectrum.c:96
ff_v210_planar_unpack_unaligned_ssse3
void ff_v210_planar_unpack_unaligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
ff_v210_planar_unpack_unaligned_avx
void ff_v210_planar_unpack_unaligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
v210dec.h
src
AVS_Value src
Definition:
avisynth_c.h:482
cpu.h
V210DecContext::aligned_input
int aligned_input
Definition:
v210dec.h:29
ff_v210_x86_init
av_cold void ff_v210_x86_init(V210DecContext *s)
Definition:
v210-init.c:28
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:76
ff_v210_planar_unpack_aligned_ssse3
void ff_v210_planar_unpack_aligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
V210DecContext::unpack_frame
void(* unpack_frame)(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
Definition:
v210dec.h:31
width
static int width
Definition:
demuxing_decoding.c:39
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