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- ;******************************************************************************
- ;* x86 utility macros for libavresample
- ;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
- ;*
- ;* 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
- ;******************************************************************************
-
- %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
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