mirror of https://git.ffmpeg.org/ffmpeg.git
81 lines
2.2 KiB
NASM
81 lines
2.2 KiB
NASM
;*****************************************************************************
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;* x86-optimized functions for limiter filter
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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/x86/x86util.asm"
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SECTION .text
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INIT_XMM sse2
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cglobal limiter_8bit, 6, 7, 3, src, dst, slinesize, dlinesize, w, h, x
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movsxdifnidn wq, wd
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add srcq, wq
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add dstq, wq
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neg wq
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movd m1, r6m
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punpcklbw m1, m1
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SPLATW m1, m1
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movd m2, r7m
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punpcklbw m2, m2
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SPLATW m2, m2
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.nextrow:
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mov xq, wq
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.loop:
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movu m0, [srcq + xq]
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CLIPUB m0, m1, m2
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movu [dstq+xq], m0
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add xq, mmsize
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jl .loop
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add srcq, slinesizeq
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add dstq, dlinesizeq
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sub hd, 1
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jg .nextrow
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RET
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INIT_XMM sse4
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cglobal limiter_16bit, 6, 7, 3, src, dst, slinesize, dlinesize, w, h, x
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shl wd, 1
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add srcq, wq
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add dstq, wq
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neg wq
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movd m1, r6m
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SPLATW m1, m1
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movd m2, r7m
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SPLATW m2, m2
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.nextrow:
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mov xq, wq
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.loop:
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movu m0, [srcq + xq]
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pmaxuw m0, m1
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pminuw m0, m2
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movu [dstq+xq], m0
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add xq, mmsize
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jl .loop
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add srcq, slinesizeq
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add dstq, dlinesizeq
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sub hd, 1
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jg .nextrow
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RET
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