repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
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 |