libhb/dxva2api.c

   1 /* dxva2api.c
   2
   3    Copyright (c) 2003-2015 HandBrake Team
   4    This file is part of the HandBrake source code
   5    Homepage: <http://handbrake.fr/>.
   6    It may be used under the terms of the GNU General Public License v2.
   7    For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
   8
   9    Authors: Peng Gao <peng@multicorewareinc.com> <http://www.multicorewareinc.com/>
  10             Li   Cao <li@multicorewareinc.com> <http://www.multicorewareinc.com/>
  11
  12  */
  13 #ifdef USE_HWD
  14 #include "dxva2api.h"
  15
  16 __inline float hb_dx_fixedtofloat( const DXVA2_Fixed32 _fixed_ )
  17 {
  18     return (FLOAT)_fixed_.Value + (FLOAT)_fixed_.Fraction / 0x10000;
  19 }
  20
  21 __inline const DXVA2_Fixed32 hb_dx_fixed32_opaque_alpha()
  22 {
  23     DXVA2_Fixed32 _fixed_;
  24     _fixed_.Fraction = 0;
  25     _fixed_.Value = 0;
  26     _fixed_.ll = 1;
  27     return _fixed_;
  28 }
  29
  30
  31 __inline DXVA2_Fixed32 hb_dx_floattofixed( const float _float_ )
  32 {
  33     DXVA2_Fixed32 _fixed_;
  34     _fixed_.Fraction = LOWORD( _float_ * 0x10000 );
  35     _fixed_.Value = HIWORD( _float_ * 0x10000 );
  36     return _fixed_;
  37 }
  38 #endif