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pl-nk v0.4.5
Plonk|Plink|Plank are a set of cross-platform C/C++ frameworks for audio software development
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00001 /* 00002 ------------------------------------------------------------------------------- 00003 This file is part of the Plink, Plonk, Plank libraries 00004 by Martin Robinson 00005 00006 http://code.google.com/p/pl-nk/ 00007 00008 Copyright University of the West of England, Bristol 2011-14 00009 All rights reserved. 00010 00011 Redistribution and use in source and binary forms, with or without 00012 modification, are permitted provided that the following conditions are met: 00013 00014 * Redistributions of source code must retain the above copyright 00015 notice, this list of conditions and the following disclaimer. 00016 * Redistributions in binary form must reproduce the above copyright 00017 notice, this list of conditions and the following disclaimer in the 00018 documentation and/or other materials provided with the distribution. 00019 * Neither the name of University of the West of England, Bristol nor 00020 the names of its contributors may be used to endorse or promote products 00021 derived from this software without specific prior written permission. 00022 00023 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 00024 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00025 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00026 DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF THE WEST OF ENGLAND, BRISTOL BE 00027 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00028 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00029 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00030 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00031 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00032 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 00034 This software makes use of third party libraries. For more information see: 00035 doc/license.txt included in the distribution. 00036 ------------------------------------------------------------------------------- 00037 */ 00038 00039 #ifndef PLONK_BLOCKSIZE_H 00040 #define PLONK_BLOCKSIZE_H 00041 00042 #include "../../containers/variables/plonk_VariableForwardDeclarations.h" 00043 #include "../../containers/variables/plonk_Variable.h" 00044 #include "../../core/plonk_Receiver.h" 00045 #include "../../maths/plonk_InlineCommonOps.h" 00046 00047 class BlockSizeDefault; 00048 class BlockSizeNoPreference; 00049 00063 class BlockSize : public IntVariable 00064 { 00065 public: 00066 typedef VariableInternal<int> Internal; 00067 typedef IntVariable Base; 00068 typedef WeakPointerContainer<BlockSize> Weak; 00069 00070 BlockSize() throw(); 00071 00073 BlockSize (SampleRate const& sampleRate) throw(); 00074 00076 BlockSize (const int initValue) throw(); 00077 00079 BlockSize (IntVariable const& initValue) throw(); 00080 00082 BlockSize (BlockSize const& copy) throw(); 00083 00084 BlockSize (BlockSizeDefault const& copy) throw(); 00085 BlockSize (BlockSizeNoPreference const& copy) throw(); 00086 00091 template<class OtherType> 00092 BlockSize (OtherType const& initValue) throw() 00093 : Base (initValue) 00094 { 00095 } 00096 00104 static BlockSize& getDefault() throw(); 00105 00108 static BlockSize& getControlRateBlockSize() throw(); 00109 00112 static const BlockSize getFractionOfDefault (IntVariable const& divisor) throw(); 00113 00116 static const BlockSize getMultipleOfDefault (IntVariable const& factor) throw(); 00117 inline static const BlockSize getMultipleOfDefault (const int factor) throw() { return getMultipleOfDefault (IntVariable (factor)); } 00118 00119 static const BlockSize getMultipleOfDefault (DoubleVariable const& factor) throw(); 00120 inline static const BlockSize getMultipleOfDefault (const double factor) throw() { return getMultipleOfDefault (DoubleVariable (factor)); } 00121 00122 00126 static const BlockSize& noPreference() throw(); 00127 00131 static const BlockSize& getBlockSize1() throw(); 00132 00137 static BlockSize decide (BlockSize const& inputBlockSize, 00138 BlockSize const& preferredBlockSize) throw(); 00139 00140 PLONK_OBJECTARROWOPERATOR(BlockSize); 00141 00142 private: 00143 static const BlockSize getMultipleOfDefault (SampleRate const& factor) throw(); 00144 }; 00145 00146 typedef NumericalArray<BlockSize> BlockSizes; 00147 00148 //------------------------------------------------------------------------------ 00149 00150 class BlockSizeDefault : public BlockSize 00151 { 00152 public: 00153 inline BlockSizeDefault() : BlockSize (BlockSize::getDefault()) { } 00154 }; 00155 00156 //------------------------------------------------------------------------------ 00157 00158 class BlockSizeNoPreference : public BlockSize 00159 { 00160 public: 00161 inline BlockSizeNoPreference() : BlockSize (BlockSize::getDefault()) { } 00162 }; 00163 00164 00165 00166 00167 #endif // PLONK_BLOCKSIZE_H