mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.5 KiB
82 lines
2.5 KiB
;****************************************************************************** |
|
;* MMX optimized deinterlacing functions |
|
;* Copyright (c) 2010 Vitor Sessak |
|
;* Copyright (c) 2002 Michael Niedermayer |
|
;* |
|
;* This file is part of Libav. |
|
;* |
|
;* Libav 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. |
|
;* |
|
;* Libav 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 Libav; 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 |
|
|
|
cextern pw_4 |
|
|
|
SECTION .text |
|
|
|
%macro DEINTERLACE 1 |
|
%ifidn %1, inplace |
|
;void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size) |
|
cglobal deinterlace_line_inplace_mmx, 6,6,7, lum_m4, lum_m3, lum_m2, lum_m1, lum, size |
|
%else |
|
;void ff_deinterlace_line_mmx(uint8_t *dst, const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size) |
|
cglobal deinterlace_line_mmx, 7,7,7, dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size |
|
%endif |
|
pxor mm7, mm7 |
|
movq mm6, [pw_4] |
|
.nextrow: |
|
movd mm0, [lum_m4q] |
|
movd mm1, [lum_m3q] |
|
movd mm2, [lum_m2q] |
|
%ifidn %1, inplace |
|
movd [lum_m4q], mm2 |
|
%endif |
|
movd mm3, [lum_m1q] |
|
movd mm4, [lumq] |
|
punpcklbw mm0, mm7 |
|
punpcklbw mm1, mm7 |
|
punpcklbw mm2, mm7 |
|
punpcklbw mm3, mm7 |
|
punpcklbw mm4, mm7 |
|
paddw mm1, mm3 |
|
psllw mm2, 1 |
|
paddw mm0, mm4 |
|
psllw mm1, 2 |
|
paddw mm2, mm6 |
|
paddw mm1, mm2 |
|
psubusw mm1, mm0 |
|
psrlw mm1, 3 |
|
packuswb mm1, mm7 |
|
%ifidn %1, inplace |
|
movd [lum_m2q], mm1 |
|
%else |
|
movd [dstq], mm1 |
|
add dstq, 4 |
|
%endif |
|
add lum_m4q, 4 |
|
add lum_m3q, 4 |
|
add lum_m2q, 4 |
|
add lum_m1q, 4 |
|
add lumq, 4 |
|
sub sized, 4 |
|
jg .nextrow |
|
REP_RET |
|
%endmacro |
|
|
|
DEINTERLACE "" |
|
|
|
DEINTERLACE inplace
|
|
|