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- ;*****************************************************************************
- ;* x86-optimized functions for interlace filter
- ;*
- ;* Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv>
- ;* Copyright (c) 2014 Michael Niedermayer <michaelni@gmx.at>
- ;*
- ;* This file is part of FFmpeg.
- ;*
- ;* FFmpeg 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.
- ;*
- ;* 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 General Public License for more details.
- ;*
- ;* You should have received a copy of the GNU 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/x86/x86util.asm"
- SECTION_RODATA
- SECTION .text
- %macro LOWPASS_LINE 0
- cglobal lowpass_line, 5, 5, 7
- add r0, r1
- add r2, r1
- add r3, r1
- add r4, r1
- neg r1
- pcmpeqb m6, m6
- .loop:
- mova m0, [r3+r1]
- mova m1, [r3+r1+mmsize]
- pavgb m0, [r4+r1]
- pavgb m1, [r4+r1+mmsize]
- pxor m0, m6
- pxor m1, m6
- pxor m2, m6, [r2+r1]
- pxor m3, m6, [r2+r1+mmsize]
- pavgb m0, m2
- pavgb m1, m3
- pxor m0, m6
- pxor m1, m6
- mova [r0+r1], m0
- mova [r0+r1+mmsize], m1
- add r1, 2*mmsize
- jl .loop
- REP_RET
- %endmacro
- INIT_XMM sse2
- LOWPASS_LINE
- INIT_XMM avx
- LOWPASS_LINE
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