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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 |