50 lines
1.9 KiB
NASM
50 lines
1.9 KiB
NASM
|
;************************************************************************
|
||
|
|
;* VC3/DNxHD SIMD functions
|
||
|
|
;* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
|
||
|
|
;* Copyright (c) 2014 Tiancheng "Timothy" Gu <timothygu99@gmail.com>
|
||
|
|
;*
|
||
|
|
;* 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
|
||
|
|
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
;******************************************************************************
|
||
|
|
|
||
|
|
%include "libavutil/x86/x86util.asm"
|
||
|
|
|
||
|
|
SECTION .text
|
||
|
|
|
||
|
|
; void get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels,
|
||
|
|
; ptrdiff_t line_size)
|
||
|
|
INIT_XMM sse2
|
||
|
|
cglobal get_pixels_8x4_sym, 3,3,5, block, pixels, linesize
|
||
|
|
pxor m4, m4
|
||
|
|
movq m0, [pixelsq]
|
||
|
|
add pixelsq, linesizeq
|
||
|
|
movq m1, [pixelsq]
|
||
|
|
movq m2, [pixelsq+linesizeq]
|
||
|
|
movq m3, [pixelsq+linesizeq*2]
|
||
|
|
punpcklbw m0, m4
|
||
|
|
punpcklbw m1, m4
|
||
|
|
punpcklbw m2, m4
|
||
|
|
punpcklbw m3, m4
|
||
|
|
mova [blockq ], m0
|
||
|
|
mova [blockq+16 ], m1
|
||
|
|
mova [blockq+32 ], m2
|
||
|
|
mova [blockq+48 ], m3
|
||
|
|
mova [blockq+64 ], m3
|
||
|
|
mova [blockq+80 ], m2
|
||
|
|
mova [blockq+96 ], m1
|
||
|
|
mova [blockq+112], m0
|
||
|
|
RET
|