mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
52 lines
1.6 KiB
ArmAsm
52 lines
1.6 KiB
ArmAsm
|
/*
|
||
|
|
* Copyright (c) 2020 Martin Storsjo
|
||
|
|
*
|
||
|
|
* This file is part of FFmpeg.
|
||
|
|
*
|
||
|
|
* FFmpeg is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with FFmpeg; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "libavutil/aarch64/asm.S"
|
||
|
|
|
||
|
|
function ff_get_pixels_neon, export=1
|
||
|
|
mov w3, #8
|
||
|
|
1:
|
||
|
|
ld1 {v0.8b}, [x1], x2
|
||
|
|
subs w3, w3, #2
|
||
|
|
ld1 {v1.8b}, [x1], x2
|
||
|
|
uxtl v0.8h, v0.8b
|
||
|
|
uxtl v1.8h, v1.8b
|
||
|
|
st1 {v0.8h, v1.8h}, [x0], #32
|
||
|
|
b.gt 1b
|
||
|
|
|
||
|
|
ret
|
||
|
|
endfunc
|
||
|
|
|
||
|
|
function ff_diff_pixels_neon, export=1
|
||
|
|
mov w4, #8
|
||
|
|
1:
|
||
|
|
ld1 {v0.8b}, [x1], x3
|
||
|
|
ld1 {v1.8b}, [x2], x3
|
||
|
|
subs w4, w4, #2
|
||
|
|
ld1 {v2.8b}, [x1], x3
|
||
|
|
usubl v0.8h, v0.8b, v1.8b
|
||
|
|
ld1 {v3.8b}, [x2], x3
|
||
|
|
usubl v1.8h, v2.8b, v3.8b
|
||
|
|
st1 {v0.8h, v1.8h}, [x0], #32
|
||
|
|
b.gt 1b
|
||
|
|
|
||
|
|
ret
|
||
|
|
endfunc
|