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Diffstat (limited to 'libavfilter/x86/vf_maskedmerge.asm')
-rw-r--r--libavfilter/x86/vf_maskedmerge.asm81
1 files changed, 81 insertions, 0 deletions
diff --git a/libavfilter/x86/vf_maskedmerge.asm b/libavfilter/x86/vf_maskedmerge.asm
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+++ b/libavfilter/x86/vf_maskedmerge.asm
@@ -0,0 +1,81 @@
+;*****************************************************************************
+;* x86-optimized functions for maskedmerge filter
+;*
+;* Copyright (C) 2015 Paul B Mahol
+;*
+;* 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_RODATA
+
+pw_128: times 8 dw 128
+pw_256: times 8 dw 256
+
+SECTION .text
+
+INIT_XMM sse2
+%if ARCH_X86_64
+cglobal maskedmerge8, 8, 11, 7, bsrc, osrc, msrc, dst, blinesize, olinesize, mlinesize, dlinesize, w, h, x
+ mov wd, dword wm
+ mov hd, dword hm
+%else
+cglobal maskedmerge8, 5, 7, 7, bsrc, osrc, msrc, dst, blinesize, w, x
+ mov wd, r8m
+%define olinesizeq r5mp
+%define mlinesizeq r6mp
+%define dlinesizeq r7mp
+%define hd r9mp
+%endif
+ mova m4, [pw_256]
+ mova m5, [pw_128]
+ pxor m6, m6
+ add bsrcq, wq
+ add osrcq, wq
+ add msrcq, wq
+ add dstq, wq
+ neg wq
+.nextrow:
+ mov xq, wq
+
+ .loop:
+ movh m0, [bsrcq + xq]
+ movh m1, [osrcq + xq]
+ movh m3, [msrcq + xq]
+ mova m2, m4
+ punpcklbw m0, m6
+ punpcklbw m1, m6
+ punpcklbw m3, m6
+ psubw m2, m3
+ pmullw m2, m0
+ pmullw m1, m3
+ paddw m1, m2
+ paddw m1, m5
+ psrlw m1, 8
+ packuswb m1, m1
+ movh [dstq + xq], m1
+ add xq, mmsize / 2
+ jl .loop
+
+ add bsrcq, blinesizeq
+ add osrcq, olinesizeq
+ add msrcq, mlinesizeq
+ add dstq, dlinesizeq
+ sub hd, 1
+ jg .nextrow
+REP_RET