mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-09-04 07:21:31 +02:00
93 lines
2.7 KiB
NASM
93 lines
2.7 KiB
NASM
;*****************************************************************************
|
|
;* x86-optimized functions for threshold filter
|
|
;*
|
|
;* Copyright (C) 2017 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
|
|
|
|
pb_128: times 16 db 128
|
|
pb_128_0 : times 8 db 0, 128
|
|
|
|
SECTION .text
|
|
|
|
;%1 depth (8 or 16) ; %2 b or w ; %3 constant
|
|
%macro THRESHOLD 3
|
|
%if ARCH_X86_64
|
|
cglobal threshold%1, 10, 13, 5, in, threshold, min, max, out, ilinesize, tlinesize, flinesize, slinesize, olinesize, w, h, x
|
|
mov wd, dword wm
|
|
mov hd, dword hm
|
|
%else
|
|
cglobal threshold%1, 5, 7, 5, in, threshold, min, max, out, w, x
|
|
mov wd, r10m
|
|
%define ilinesizeq r5mp
|
|
%define tlinesizeq r6mp
|
|
%define flinesizeq r7mp
|
|
%define slinesizeq r8mp
|
|
%define olinesizeq r9mp
|
|
%define hd r11mp
|
|
%endif
|
|
VBROADCASTI128 m4, [%3]
|
|
%if %1 == 16
|
|
add wq, wq ; w *= 2 (16 bits instead of 8)
|
|
%endif
|
|
add inq, wq
|
|
add thresholdq, wq
|
|
add minq, wq
|
|
add maxq, wq
|
|
add outq, wq
|
|
neg wq
|
|
.nextrow:
|
|
mov xq, wq
|
|
|
|
.loop:
|
|
movu m1, [inq + xq]
|
|
movu m0, [thresholdq + xq]
|
|
movu m2, [minq + xq]
|
|
movu m3, [maxq + xq]
|
|
pxor m0, m4
|
|
pxor m1, m4
|
|
pcmpgt%2 m0, m1
|
|
PBLENDVB m3, m2, m0
|
|
movu [outq + xq], m3
|
|
add xq, mmsize
|
|
jl .loop
|
|
|
|
add inq, ilinesizeq
|
|
add thresholdq, tlinesizeq
|
|
add minq, flinesizeq
|
|
add maxq, slinesizeq
|
|
add outq, olinesizeq
|
|
sub hd, 1
|
|
jg .nextrow
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_XMM sse4
|
|
THRESHOLD 8, b, pb_128
|
|
THRESHOLD 16, w, pb_128_0
|
|
|
|
%if HAVE_AVX2_EXTERNAL
|
|
INIT_YMM avx2
|
|
THRESHOLD 8, b, pb_128
|
|
THRESHOLD 16, w, pb_128_0
|
|
%endif
|