mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2025-01-03 05:10:03 +02:00
104 lines
3.0 KiB
NASM
104 lines
3.0 KiB
NASM
;******************************************************************************
|
|
;* SIMD-optimized UTVideo functions
|
|
;* 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"
|
|
|
|
%if ARCH_X86_64
|
|
|
|
SECTION_RODATA
|
|
|
|
pb_128: times 16 db 128
|
|
pw_512: times 8 dw 512
|
|
pw_1023: times 8 dw 1023
|
|
|
|
SECTION .text
|
|
|
|
INIT_XMM sse2
|
|
|
|
; void restore_rgb_planes(uint8_t *src_r, uint8_t *src_g, uint8_t *src_b,
|
|
; ptrdiff_t linesize_r, ptrdiff_t linesize_g, ptrdiff_t linesize_b,
|
|
; int width, int height)
|
|
cglobal restore_rgb_planes, 8,9,4, src_r, src_g, src_b, linesize_r, linesize_g, linesize_b, w, h, x
|
|
movsxdifnidn wq, wd
|
|
add src_rq, wq
|
|
add src_gq, wq
|
|
add src_bq, wq
|
|
neg wq
|
|
mova m3, [pb_128]
|
|
.nextrow:
|
|
mov xq, wq
|
|
|
|
.loop:
|
|
mova m0, [src_rq + xq]
|
|
mova m1, [src_gq + xq]
|
|
mova m2, [src_bq + xq]
|
|
psubb m1, m3
|
|
paddb m0, m1
|
|
paddb m2, m1
|
|
mova [src_rq+xq], m0
|
|
mova [src_bq+xq], m2
|
|
add xq, mmsize
|
|
jl .loop
|
|
|
|
add src_rq, linesize_rq
|
|
add src_gq, linesize_gq
|
|
add src_bq, linesize_bq
|
|
sub hd, 1
|
|
jg .nextrow
|
|
REP_RET
|
|
|
|
cglobal restore_rgb_planes10, 8,9,5, src_r, src_g, src_b, linesize_r, linesize_g, linesize_b, w, h, x
|
|
shl wd, 1
|
|
shl linesize_rq, 1
|
|
shl linesize_gq, 1
|
|
shl linesize_bq, 1
|
|
add src_rq, wq
|
|
add src_gq, wq
|
|
add src_bq, wq
|
|
mova m3, [pw_512]
|
|
mova m4, [pw_1023]
|
|
neg wq
|
|
.nextrow:
|
|
mov xq, wq
|
|
|
|
.loop:
|
|
mova m0, [src_rq + xq]
|
|
mova m1, [src_gq + xq]
|
|
mova m2, [src_bq + xq]
|
|
psubw m1, m3
|
|
paddw m0, m1
|
|
paddw m2, m1
|
|
pand m0, m4
|
|
pand m2, m4
|
|
mova [src_rq+xq], m0
|
|
mova [src_bq+xq], m2
|
|
add xq, mmsize
|
|
jl .loop
|
|
|
|
add src_rq, linesize_rq
|
|
add src_gq, linesize_gq
|
|
add src_bq, linesize_bq
|
|
sub hd, 1
|
|
jg .nextrow
|
|
REP_RET
|
|
|
|
%endif
|