| 1 | ;****************************************************************************** |
| 2 | ;* x86 utility macros for libavresample |
| 3 | ;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com> |
| 4 | ;* |
| 5 | ;* This file is part of FFmpeg. |
| 6 | ;* |
| 7 | ;* FFmpeg is free software; you can redistribute it and/or |
| 8 | ;* modify it under the terms of the GNU Lesser General Public |
| 9 | ;* License as published by the Free Software Foundation; either |
| 10 | ;* version 2.1 of the License, or (at your option) any later version. |
| 11 | ;* |
| 12 | ;* FFmpeg is distributed in the hope that it will be useful, |
| 13 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | ;* Lesser General Public License for more details. |
| 16 | ;* |
| 17 | ;* You should have received a copy of the GNU Lesser General Public |
| 18 | ;* License along with FFmpeg; if not, write to the Free Software |
| 19 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | ;****************************************************************************** |
| 21 | |
| 22 | %macro S16_TO_S32_SX 2 ; src/low dst, high dst |
| 23 | %if cpuflag(sse4) |
| 24 | pmovsxwd m%2, m%1 |
| 25 | psrldq m%1, 8 |
| 26 | pmovsxwd m%1, m%1 |
| 27 | SWAP %1, %2 |
| 28 | %else |
| 29 | mova m%2, m%1 |
| 30 | punpckhwd m%2, m%2 |
| 31 | punpcklwd m%1, m%1 |
| 32 | psrad m%2, 16 |
| 33 | psrad m%1, 16 |
| 34 | %endif |
| 35 | %endmacro |
| 36 | |
| 37 | %macro DEINT2_PS 3 ; src0/even dst, src1/odd dst, temp |
| 38 | shufps m%3, m%1, m%2, q3131 |
| 39 | shufps m%1, m%2, q2020 |
| 40 | SWAP %2,%3 |
| 41 | %endmacro |