f244cbd5
 Hu Chunming
ffmpeg支持h264编码
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/****************************************************************************
* pixel-a-common.S: aarch64 pixel metrics
*****************************************************************************
* Copyright (C) 2009-2024 x264 project
*
* Authors: David Conrad <lessen42@gmail.com>
* Janne Grunau <janne-x264@jannau.net>
* David Chen <david.chen@myais.com.cn>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
// This file contains the NEON macros and constants that are intended to be used by
// the SVE/SVE2 functions as well
const mask_ac_4_8
.short 0, -1, -1, -1, 0, -1, -1, -1
.short 0, -1, -1, -1, -1, -1, -1, -1
endconst
.macro SUMSUB_ABCD s1, d1, s2, d2, a, b, c, d
SUMSUB_AB \s1, \d1, \a, \b
SUMSUB_AB \s2, \d2, \c, \d
.endm
.macro HADAMARD4_V r1, r2, r3, r4, t1, t2, t3, t4
SUMSUB_ABCD \t1, \t2, \t3, \t4, \r1, \r2, \r3, \r4
SUMSUB_ABCD \r1, \r3, \r2, \r4, \t1, \t3, \t2, \t4
.endm
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