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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
42