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4349 | Serge | 1 | ;****************************************************************************** |
2 | ;* x86 utility macros for libavresample |
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3 | ;* Copyright (c) 2012 Justin Ruggles |
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4 | ;* |
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5 | ;* This file is part of FFmpeg. |
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6 | ;* |
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7 | ;* FFmpeg is free software; you can redistribute it and/or |
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8 | ;* modify it under the terms of the GNU Lesser General Public |
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9 | ;* License as published by the Free Software Foundation; either |
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10 | ;* version 2.1 of the License, or (at your option) any later version. |
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11 | ;* |
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12 | ;* FFmpeg is distributed in the hope that it will be useful, |
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13 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | ;* Lesser General Public License for more details. |
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16 | ;* |
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17 | ;* You should have received a copy of the GNU Lesser General Public |
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18 | ;* License along with FFmpeg; if not, write to the Free Software |
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19 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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20 | ;****************************************************************************** |
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21 | |||
22 | %macro S16_TO_S32_SX 2 ; src/low dst, high dst |
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23 | %if cpuflag(sse4) |
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24 | pmovsxwd m%2, m%1 |
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25 | psrldq m%1, 8 |
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26 | pmovsxwd m%1, m%1 |
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27 | SWAP %1, %2 |
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28 | %else |
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29 | mova m%2, m%1 |
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30 | punpckhwd m%2, m%2 |
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31 | punpcklwd m%1, m%1 |
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32 | psrad m%2, 16 |
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33 | psrad m%1, 16 |
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34 | %endif |
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35 | %endmacro |
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36 | |||
37 | %macro DEINT2_PS 3 ; src0/even dst, src1/odd dst, temp |
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38 | shufps m%3, m%1, m%2, q3131 |
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39 | shufps m%1, m%2, q2020 |
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40 | SWAP %2,%3 |
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41 | %endmacro |