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;*****************************************************************************
;* x86-optimized functions for interlace filter
;*
;* Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv> |
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;* Copyright (c) 2014 Michael Niedermayer <michaelni@gmx.at> |
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;* Copyright (c) 2017 Thomas Mundt <tmundt75@gmail.com> |
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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 modify |
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;* 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.
;* |
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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
;* 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 |
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;* with FFmpeg; if not, write to the Free Software Foundation, Inc., |
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;* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
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pw_4: times 8 dw 4
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SECTION .text
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%macro LOWPASS 1 |
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add dstq, hq
add srcq, hq
add mrefq, srcq
add prefq, srcq
neg hq |
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|
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pcmpeq%1 m6, m6 |
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.loop: |
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mova m0, [mrefq+hq]
mova m1, [mrefq+hq+mmsize] |
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pavg%1 m0, [prefq+hq]
pavg%1 m1, [prefq+hq+mmsize] |
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pxor m0, m6
pxor m1, m6 |
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pxor m2, m6, [srcq+hq]
pxor m3, m6, [srcq+hq+mmsize] |
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pavg%1 m0, m2
pavg%1 m1, m3 |
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pxor m0, m6
pxor m1, m6 |
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mova [dstq+hq], m0
mova [dstq+hq+mmsize], m1 |
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|
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add hq, 2*mmsize |
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jl .loop
REP_RET |
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%endmacro
%macro LOWPASS_LINE 0
cglobal lowpass_line, 5, 5, 7, dst, h, src, mref, pref
LOWPASS b |
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|
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cglobal lowpass_line_16, 5, 5, 7, dst, h, src, mref, pref
shl hq, 1
LOWPASS w |
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%endmacro
%macro LOWPASS_LINE_COMPLEX 0 |
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cglobal lowpass_line_complex, 5, 5, 8, dst, h, src, mref, pref
pxor m7, m7 |
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.loop:
mova m0, [srcq+mrefq]
mova m2, [srcq+prefq]
mova m1, m0
mova m3, m2 |
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punpcklbw m0, m7
punpcklbw m2, m7
punpckhbw m1, m7
punpckhbw m3, m7 |
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paddw m0, m2
paddw m1, m3 |
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mova m6, m0
mova m5, m1
mova m2, [srcq]
mova m3, m2
punpcklbw m2, m7
punpckhbw m3, m7
paddw m0, m2
paddw m1, m3
psllw m2, 1
psllw m3, 1
paddw m0, m2
paddw m1, m3
psllw m0, 1
psllw m1, 1
pcmpgtw m6, m2
pcmpgtw m5, m3
packsswb m6, m5 |
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mova m2, [srcq+mrefq*2]
mova m4, [srcq+prefq*2]
mova m3, m2
mova m5, m4 |
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punpcklbw m2, m7
punpcklbw m4, m7
punpckhbw m3, m7
punpckhbw m5, m7 |
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paddw m2, m4
paddw m3, m5
paddw m0, [pw_4]
paddw m1, [pw_4]
psubusw m0, m2
psubusw m1, m3
psrlw m0, 3
psrlw m1, 3
packuswb m0, m1 |
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mova m1, m0
pmaxub m0, [srcq]
pminub m1, [srcq]
pand m0, m6
pandn m6, m1
por m0, m6 |
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mova [dstq], m0
add dstq, mmsize
add srcq, mmsize
sub hd, mmsize
jg .loop
REP_RET
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cglobal lowpass_line_complex_12, 5, 5, 8, 16, dst, h, src, mref, pref, clip_max
movd m7, DWORD clip_maxm
SPLATW m7, m7, 0
mova [rsp], m7
.loop:
mova m0, [srcq+mrefq]
mova m1, [srcq+mrefq+mmsize]
mova m2, [srcq+prefq]
mova m3, [srcq+prefq+mmsize]
paddw m0, m2
paddw m1, m3
mova m6, m0
mova m7, m1
mova m2, [srcq]
mova m3, [srcq+mmsize]
paddw m0, m2
paddw m1, m3
psllw m2, 1
psllw m3, 1
paddw m0, m2
paddw m1, m3
psllw m0, 1
psllw m1, 1
pcmpgtw m6, m2
pcmpgtw m7, m3
mova m2, [srcq+2*mrefq]
mova m3, [srcq+2*mrefq+mmsize]
mova m4, [srcq+2*prefq]
mova m5, [srcq+2*prefq+mmsize]
paddw m2, m4
paddw m3, m5
paddw m0, [pw_4]
paddw m1, [pw_4]
psubusw m0, m2
psubusw m1, m3
psrlw m0, 3
psrlw m1, 3
pminsw m0, [rsp]
pminsw m1, [rsp]
mova m2, m0
mova m3, m1
pmaxsw m0, [srcq]
pmaxsw m1, [srcq+mmsize]
pminsw m2, [srcq]
pminsw m3, [srcq+mmsize]
pand m0, m6
pand m1, m7
pandn m6, m2
pandn m7, m3
por m0, m6
por m1, m7
mova [dstq], m0
mova [dstq+mmsize], m1
add dstq, 2*mmsize
add srcq, 2*mmsize
sub hd, mmsize
jg .loop
REP_RET |
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%endmacro
INIT_XMM sse2
LOWPASS_LINE
INIT_XMM avx
LOWPASS_LINE |
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INIT_XMM sse2
LOWPASS_LINE_COMPLEX |