mirror of https://github.com/FFmpeg/FFmpeg.git
Originally committed as revision 24615 to svn://svn.ffmpeg.org/ffmpeg/trunkoldabi
parent
c2eae137e9
commit
de4bc44abb
4 changed files with 110 additions and 84 deletions
@ -0,0 +1,81 @@ |
||||
;****************************************************************************** |
||||
;* MMX optimized deinterlacing functions |
||||
;* Copyright (c) 2010 Vitor Sessak |
||||
;* Copyright (c) 2002 Michael Niedermayer |
||||
;* |
||||
;* 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 "x86inc.asm" |
||||
%include "x86util.asm" |
||||
|
||||
SECTION_RODATA |
||||
|
||||
cextern pw_4 |
||||
|
||||
%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 |
Loading…
Reference in new issue