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author | Michael Niedermayer <michaelni@gmx.at> | 2014-07-10 00:56:05 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2014-07-10 01:22:14 +0200 |
commit | 2d5e9451de3c7ab00cac6ec4aff290e12a2f190d (patch) | |
tree | 9934a09e3ad1f63796274ee59f216df19cd9ca02 /libavcodec/arm/pixblockdsp_armv6.S | |
parent | 6cc1fec41263add956b35af96d7c4a81c9436a65 (diff) | |
parent | f46bb608d9d76c543e4929dc8cffe36b84bd789e (diff) | |
download | ffmpeg-2d5e9451de3c7ab00cac6ec4aff290e12a2f190d.tar.gz |
Merge commit 'f46bb608d9d76c543e4929dc8cffe36b84bd789e'
* commit 'f46bb608d9d76c543e4929dc8cffe36b84bd789e':
dsputil: Split off pixel block routines into their own context
Conflicts:
configure
libavcodec/dsputil.c
libavcodec/mpegvideo_enc.c
libavcodec/pixblockdsp_template.c
libavcodec/x86/dsputilenc.asm
libavcodec/x86/dsputilenc_mmx.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/arm/pixblockdsp_armv6.S')
-rw-r--r-- | libavcodec/arm/pixblockdsp_armv6.S | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libavcodec/arm/pixblockdsp_armv6.S b/libavcodec/arm/pixblockdsp_armv6.S new file mode 100644 index 0000000000..b10ea78e88 --- /dev/null +++ b/libavcodec/arm/pixblockdsp_armv6.S @@ -0,0 +1,76 @@ +/* + * 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 |