diff options
Diffstat (limited to 'libhb/dxva2api.c')
| -rw-r--r-- | libhb/dxva2api.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libhb/dxva2api.c b/libhb/dxva2api.c new file mode 100644 index 000000000..004cd681a --- /dev/null +++ b/libhb/dxva2api.c @@ -0,0 +1,38 @@ +/* dxva2api.c + + Copyright (c) 2003-2012 HandBrake Team + This file is part of the HandBrake source code + Homepage: <http://handbrake.fr/>. + It may be used under the terms of the GNU General Public License v2. + For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html + + Authors: Peng Gao <[email protected]> <http://www.multicorewareinc.com/> + Li Cao <[email protected]> <http://www.multicorewareinc.com/> + + */ +#ifdef USE_HWD +#include "dxva2api.h" + +__inline float hb_dx_fixedtofloat( const DXVA2_Fixed32 _fixed_ ) +{ + return (FLOAT)_fixed_.Value + (FLOAT)_fixed_.Fraction / 0x10000; +} + +__inline const DXVA2_Fixed32 hb_dx_fixed32_opaque_alpha() +{ + DXVA2_Fixed32 _fixed_; + _fixed_.Fraction = 0; + _fixed_.Value = 0; + _fixed_.ll = 1; + return _fixed_; +} + + +__inline DXVA2_Fixed32 hb_dx_floattofixed( const float _float_ ) +{ + DXVA2_Fixed32 _fixed_; + _fixed_.Fraction = LOWORD( _float_ * 0x10000 ); + _fixed_.Value = HIWORD( _float_ * 0x10000 ); + return _fixed_; +} +#endif |