70 lines
2.0 KiB
ArmAsm
Executable File
70 lines
2.0 KiB
ArmAsm
Executable File
/*
|
|
* 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/arm/asm.S"
|
|
|
|
.macro vld1_8 dst, src, incr, aligned
|
|
.if \aligned
|
|
vld1.8 {\dst}, [\src, :64], \incr
|
|
.else
|
|
vld1.8 {\dst}, [\src], \incr
|
|
.endif
|
|
.endm
|
|
|
|
.macro get_pixels suffix, aligned
|
|
function ff_get_pixels\suffix\()_neon, export=1
|
|
mov r3, #8
|
|
1:
|
|
vld1_8 d0, r1, r2, \aligned
|
|
subs r3, r3, #2
|
|
vld1_8 d2, r1, r2, \aligned
|
|
vmovl.u8 q0, d0
|
|
vmovl.u8 q1, d2
|
|
vst1.16 {q0, q1}, [r0, :128]!
|
|
bgt 1b
|
|
|
|
bx lr
|
|
endfunc
|
|
.endm
|
|
|
|
get_pixels , aligned=1
|
|
get_pixels _unaligned, aligned=0
|
|
|
|
.macro diff_pixels suffix, aligned=0
|
|
function ff_diff_pixels\suffix\()_neon, export=1
|
|
mov r12, #8
|
|
1:
|
|
vld1_8 d0, r1, r3, \aligned
|
|
vld1_8 d1, r2, r3, \aligned
|
|
subs r12, r12, #2
|
|
vld1_8 d2, r1, r3, \aligned
|
|
vsubl.u8 q0, d0, d1
|
|
vld1_8 d3, r2, r3, \aligned
|
|
vsubl.u8 q1, d2, d3
|
|
vst1.16 {q0, q1}, [r0]!
|
|
bgt 1b
|
|
|
|
bx lr
|
|
endfunc
|
|
.endm
|
|
|
|
diff_pixels , aligned=1
|
|
diff_pixels _unaligned, aligned=0
|