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