81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
/********************************************************************************
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Copyright (C) 2013 Ruwen Hahn <palana@stunned.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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********************************************************************************/
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#pragma once
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#include <limits>
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template <class T>
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static inline void zero(T& t, size_t size=sizeof(T))
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{
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memset(&t, 0, size);
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}
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#ifdef min
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#undef min
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#endif
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#ifdef max
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#undef max
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#endif
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template <class T, class U>
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static inline T saturate(U val)
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{
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if (val > std::numeric_limits<T>::max())
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return std::numeric_limits<T>::max();
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if (val < std::numeric_limits<T>::min())
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return std::numeric_limits<T>::min();
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return val;
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}
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template <class T, class U>
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static inline void saturate(T &t, U val)
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{
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if (val > std::numeric_limits<T>::max())
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t = std::numeric_limits<T>::max();
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else if (val < std::numeric_limits<T>::min())
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t = std::numeric_limits<T>::min();
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else
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t = static_cast<T>(val);
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}
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template <typename T, typename U, typename V>
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static inline T clamp(T t, U u, V v)
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{
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if (t < u)
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return u;
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return t > v ? v : t;
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}
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static bool valid_method(decltype(mfxInfoMFX::RateControlMethod) method)
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{
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switch (method)
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{
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case MFX_RATECONTROL_CBR:
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case MFX_RATECONTROL_VBR:
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case MFX_RATECONTROL_CQP:
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case MFX_RATECONTROL_AVBR:
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case MFX_RATECONTROL_LA:
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case MFX_RATECONTROL_ICQ:
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case MFX_RATECONTROL_VCM:
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case MFX_RATECONTROL_LA_ICQ:
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return true;
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}
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return false;
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}
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