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69 lines
2.0 KiB
69 lines
2.0 KiB
/* |
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* Copyright (c) 2020 Martin Storsjo |
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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 "libavutil/arm/asm.S" |
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.macro vld1_8 dst, src, incr, aligned |
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.if \aligned |
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vld1.8 {\dst}, [\src, :64], \incr |
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.else |
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vld1.8 {\dst}, [\src], \incr |
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.endif |
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.endm |
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.macro get_pixels suffix, aligned |
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function ff_get_pixels\suffix\()_neon, export=1 |
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mov r3, #8 |
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1: |
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vld1_8 d0, r1, r2, \aligned |
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subs r3, r3, #2 |
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vld1_8 d2, r1, r2, \aligned |
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vmovl.u8 q0, d0 |
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vmovl.u8 q1, d2 |
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vst1.16 {q0, q1}, [r0, :128]! |
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bgt 1b |
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bx lr |
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endfunc |
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.endm |
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get_pixels , aligned=1 |
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get_pixels _unaligned, aligned=0 |
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.macro diff_pixels suffix, aligned=0 |
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function ff_diff_pixels\suffix\()_neon, export=1 |
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mov r12, #8 |
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1: |
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vld1_8 d0, r1, r3, \aligned |
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vld1_8 d1, r2, r3, \aligned |
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subs r12, r12, #2 |
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vld1_8 d2, r1, r3, \aligned |
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vsubl.u8 q0, d0, d1 |
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vld1_8 d3, r2, r3, \aligned |
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vsubl.u8 q1, d2, d3 |
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vst1.16 {q0, q1}, [r0]! |
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bgt 1b |
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bx lr |
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endfunc |
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.endm |
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diff_pixels , aligned=1 |
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diff_pixels _unaligned, aligned=0
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