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pineappleEA
2021-02-09 04:25:58 +01:00
parent de64eab4b4
commit 3d5a9d908a
7336 changed files with 1773492 additions and 111 deletions
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76
externals/ffmpeg/libavcodec/arm/pixblockdsp_armv6.S vendored Executable file
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/*
* Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
*
* 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"
function ff_get_pixels_armv6, export=1
pld [r1, r2]
push {r4-r8, lr}
mov lr, #8
1:
ldrd_post r4, r5, r1, r2
subs lr, lr, #1
uxtb16 r6, r4
uxtb16 r4, r4, ror #8
uxtb16 r12, r5
uxtb16 r8, r5, ror #8
pld [r1, r2]
pkhbt r5, r6, r4, lsl #16
pkhtb r6, r4, r6, asr #16
pkhbt r7, r12, r8, lsl #16
pkhtb r12, r8, r12, asr #16
stm r0!, {r5,r6,r7,r12}
bgt 1b
pop {r4-r8, pc}
endfunc
function ff_diff_pixels_armv6, export=1
pld [r1, r3]
pld [r2, r3]
push {r4-r9, lr}
mov lr, #8
1:
ldrd_post r4, r5, r1, r3
ldrd_post r6, r7, r2, r3
uxtb16 r8, r4
uxtb16 r4, r4, ror #8
uxtb16 r9, r6
uxtb16 r6, r6, ror #8
pld [r1, r3]
ssub16 r9, r8, r9
ssub16 r6, r4, r6
uxtb16 r8, r5
uxtb16 r5, r5, ror #8
pld [r2, r3]
pkhbt r4, r9, r6, lsl #16
pkhtb r6, r6, r9, asr #16
uxtb16 r9, r7
uxtb16 r7, r7, ror #8
ssub16 r9, r8, r9
ssub16 r5, r5, r7
subs lr, lr, #1
pkhbt r8, r9, r5, lsl #16
pkhtb r9, r5, r9, asr #16
stm r0!, {r4,r6,r8,r9}
bgt 1b
pop {r4-r9, pc}
endfunc