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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.