FFmpeg
libswscale
loongarch
rgb2rgb_lasx.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2022 Loongson Technology Corporation Limited
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* Contributed by Hao Chen(chenhao@loongson.cn)
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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 "
swscale_loongarch.h
"
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#include "
libavutil/loongarch/loongson_intrinsics.h
"
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void
ff_interleave_bytes_lasx
(
const
uint8_t *
src1
,
const
uint8_t *
src2
,
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uint8_t *dest,
int
width
,
int
height
,
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int
src1Stride,
int
src2Stride,
int
dstStride)
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{
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int
h
;
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int
len
=
width
& (0xFFFFFFF0);
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for
(
h
= 0;
h
<
height
;
h
++) {
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int
w
,
index
= 0;
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__m256i src_1, src_2,
dst
;
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for
(
w
= 0;
w
<
len
;
w
+= 16) {
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DUP2_ARG2
(__lasx_xvld,
src1
+
w
, 0,
src2
+
w
, 0, src_1, src_2);
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src_1 = __lasx_xvpermi_d(src_1, 0xD8);
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src_2 = __lasx_xvpermi_d(src_2, 0xD8);
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dst
= __lasx_xvilvl_b(src_2, src_1);
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__lasx_xvst(
dst
, dest +
index
, 0);
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index
+= 32;
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}
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for
(;
w
<
width
;
w
++) {
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dest[(
w
<< 1) + 0] =
src1
[
w
];
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dest[(
w
<< 1) + 1] =
src2
[
w
];
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}
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dest += dstStride;
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src1
+= src1Stride;
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src2
+= src2Stride;
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}
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}
src1
const pixel * src1
Definition:
h264pred_template.c:421
w
uint8_t w
Definition:
llviddspenc.c:38
DUP2_ARG2
#define DUP2_ARG2(_INS, _IN0, _IN1, _IN2, _IN3, _OUT0, _OUT1)
Definition:
loongson_intrinsics.h:58
swscale_loongarch.h
index
int index
Definition:
gxfenc.c:90
height
#define height
Definition:
dsp.h:85
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition:
dsp.h:83
ff_interleave_bytes_lasx
void ff_interleave_bytes_lasx(const uint8_t *src1, const uint8_t *src2, uint8_t *dest, int width, int height, int src1Stride, int src2Stride, int dstStride)
Definition:
rgb2rgb_lasx.c:25
src2
const pixel * src2
Definition:
h264pred_template.c:422
len
int len
Definition:
vorbis_enc_data.h:426
loongson_intrinsics.h
h
h
Definition:
vp9dsp_template.c:2070
width
#define width
Definition:
dsp.h:85
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