mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-25 10:51:49 +02:00
141 lines
3.5 KiB
NASM
141 lines
3.5 KiB
NASM
;*****************************************************************************
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;* x86-optimized functions for interlace filter
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;*
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;* Copyright (C) 2015 Ronald S. Bultje <rsbultje@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
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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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%macro SSE_LINE_FN 2 ; 8 or 16, byte or word
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INIT_XMM sse2
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%if ARCH_X86_32
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%if %1 == 8
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cglobal sse_line_%1 %+ bit, 0, 6, 8, res, buf, w, px1, px2, ref
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%else
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cglobal sse_line_%1 %+ bit, 0, 7, 8, res, buf, reshigh, w, px1, px2, ref
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%endif
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mov bufq, r0mp
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mov refq, r1mp
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mov wd, r2m
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%else
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cglobal sse_line_%1 %+ bit, 3, 5, 8, buf, ref, w, px1, px2
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%endif
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pxor m6, m6
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pxor m7, m7
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sub wd, mmsize*2
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jl .end
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.loop:
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movu m0, [bufq+mmsize*0]
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movu m1, [bufq+mmsize*1]
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movu m2, [refq+mmsize*0]
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movu m3, [refq+mmsize*1]
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%if %1 == 8
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add bufq, mmsize*2
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add refq, mmsize*2
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psubusb m4, m0, m2
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psubusb m5, m1, m3
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psubusb m2, m0
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psubusb m3, m1
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por m2, m4
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por m3, m5
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punpcklbw m0, m2, m6
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punpcklbw m1, m3, m6
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punpckhbw m2, m6
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punpckhbw m3, m6
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%else
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psubw m0, m2
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psubw m1, m3
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movu m2, [bufq+mmsize*2]
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movu m3, [bufq+mmsize*3]
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movu m4, [refq+mmsize*2]
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movu m5, [refq+mmsize*3]
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psubw m2, m4
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psubw m3, m5
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add bufq, mmsize*4
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add refq, mmsize*4
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%endif
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pmaddwd m0, m0
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pmaddwd m1, m1
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pmaddwd m2, m2
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pmaddwd m3, m3
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paddd m0, m1
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paddd m2, m3
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%if %1 == 8
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paddd m7, m0
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paddd m7, m2
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%else
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paddd m0, m2
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punpckldq m2, m0, m6
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punpckhdq m0, m6
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paddq m7, m0
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paddq m7, m2
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%endif
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sub wd, mmsize*2
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jge .loop
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.end:
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add wd, mmsize*2
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movhlps m0, m7
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%if %1 == 8
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paddd m7, m0
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pshufd m0, m7, 1
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paddd m7, m0
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movd eax, m7
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%else
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paddq m7, m0
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%if ARCH_X86_32
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movd eax, m7
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psrldq m7, 4
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movd edx, m7
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%else
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movq rax, m7
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%endif
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%endif
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; deal with cases where w % 32 != 0
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test wd, wd
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jz .end_scalar
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.loop_scalar:
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movzx px1d, %2 [bufq+wq*(%1/8)-(%1/8)]
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movzx px2d, %2 [refq+wq*(%1/8)-(%1/8)]
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sub px1d, px2d
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imul px1d, px1d
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%if %1 == 8
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add eax, px1d
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%elif ARCH_X86_64
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add rax, px1q
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%else
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add eax, px1d
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adc edx, 0
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%endif
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dec wd
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jg .loop_scalar
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.end_scalar:
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; for %1=8, no need to zero edx on x86-32, since edx=wd, which is zero
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RET
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%endmacro
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INIT_XMM sse2
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SSE_LINE_FN 8, byte
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SSE_LINE_FN 16, word
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