42 lines
1.4 KiB
NASM
42 lines
1.4 KiB
NASM
|
;******************************************************************************
|
||
|
|
;* x86 utility macros for libavresample
|
||
|
|
;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@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
|
||
|
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
;******************************************************************************
|
||
|
|
|
||
|
|
%macro S16_TO_S32_SX 2 ; src/low dst, high dst
|
||
|
|
%if cpuflag(sse4)
|
||
|
|
pmovsxwd m%2, m%1
|
||
|
|
psrldq m%1, 8
|
||
|
|
pmovsxwd m%1, m%1
|
||
|
|
SWAP %1, %2
|
||
|
|
%else
|
||
|
|
mova m%2, m%1
|
||
|
|
punpckhwd m%2, m%2
|
||
|
|
punpcklwd m%1, m%1
|
||
|
|
psrad m%2, 16
|
||
|
|
psrad m%1, 16
|
||
|
|
%endif
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
%macro DEINT2_PS 3 ; src0/even dst, src1/odd dst, temp
|
||
|
|
shufps m%3, m%1, m%2, q3131
|
||
|
|
shufps m%1, m%2, q2020
|
||
|
|
SWAP %2,%3
|
||
|
|
%endmacro
|