diff options
Diffstat (limited to 'parameter')
-rw-r--r-- | parameter/Android.mk | 1 | ||||
-rw-r--r-- | parameter/CMakeLists.txt | 1 | ||||
-rw-r--r-- | parameter/LinearParameterAdaptation.cpp | 7 | ||||
-rw-r--r-- | parameter/LinearParameterAdaptation.h | 3 | ||||
-rw-r--r-- | parameter/LogarithmicParameterAdaptation.cpp | 89 | ||||
-rw-r--r-- | parameter/LogarithmicParameterAdaptation.h | 71 | ||||
-rw-r--r-- | parameter/ParameterMgr.cpp | 4 |
7 files changed, 173 insertions, 3 deletions
diff --git a/parameter/Android.mk b/parameter/Android.mk index 8592c52..6f1f61d 100644 --- a/parameter/Android.mk +++ b/parameter/Android.mk @@ -79,6 +79,7 @@ common_src_files := \ InstanceDefinition.cpp \ IntegerParameterType.cpp \ LinearParameterAdaptation.cpp \ + LogarithmicParameterAdaptation.cpp \ MappingContext.cpp \ MappingData.cpp \ ParameterAccessContext.cpp \ diff --git a/parameter/CMakeLists.txt b/parameter/CMakeLists.txt index 9f93da7..94369fb 100644 --- a/parameter/CMakeLists.txt +++ b/parameter/CMakeLists.txt @@ -64,6 +64,7 @@ add_library(parameter SHARED InstanceDefinition.cpp IntegerParameterType.cpp LinearParameterAdaptation.cpp + LogarithmicParameterAdaptation.cpp MappingContext.cpp MappingData.cpp ParameterAccessContext.cpp diff --git a/parameter/LinearParameterAdaptation.cpp b/parameter/LinearParameterAdaptation.cpp index 4be92a9..ea833b3 100644 --- a/parameter/LinearParameterAdaptation.cpp +++ b/parameter/LinearParameterAdaptation.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011-2014, Intel Corporation + * Copyright (c) 2011-2015, Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, @@ -37,6 +37,11 @@ CLinearParameterAdaptation::CLinearParameterAdaptation() : base("Linear"), _dSlo { } +CLinearParameterAdaptation::CLinearParameterAdaptation(const string& strType) : + base(strType), _dSlopeNumerator(1), _dSlopeDenominator(1) +{ +} + // Element properties void CLinearParameterAdaptation::showProperties(string& strResult) const { diff --git a/parameter/LinearParameterAdaptation.h b/parameter/LinearParameterAdaptation.h index f72f27b..8037c31 100644 --- a/parameter/LinearParameterAdaptation.h +++ b/parameter/LinearParameterAdaptation.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011-2014, Intel Corporation + * Copyright (c) 2011-2015, Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, @@ -37,6 +37,7 @@ class CLinearParameterAdaptation : public CParameterAdaptation { public: CLinearParameterAdaptation(); + CLinearParameterAdaptation(const std::string& strType); // Conversions virtual int64_t fromUserValue(double dValue) const; diff --git a/parameter/LogarithmicParameterAdaptation.cpp b/parameter/LogarithmicParameterAdaptation.cpp new file mode 100644 index 0000000..688527d --- /dev/null +++ b/parameter/LogarithmicParameterAdaptation.cpp @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2011-2015, Intel Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "LogarithmicParameterAdaptation.h" +#include <math.h> + +#define base CLinearParameterAdaptation + +// M_E is the base of the natural logarithm for 'e' from math.h +CLogarithmicParameterAdaptation::CLogarithmicParameterAdaptation() : base("Logarithmic"), + _dLogarithmBase(M_E), _dFloorValue(-INFINITY) +{ +} + +// Element properties +void CLogarithmicParameterAdaptation::showProperties(std::string& strResult) const +{ + base::showProperties(strResult); + + strResult += " - LogarithmBase: "; + strResult += toString(_dLogarithmBase); + strResult += "\n"; + strResult += " - FloorValue: "; + strResult += toString(_dFloorValue); + strResult += "\n"; +} + +bool CLogarithmicParameterAdaptation::fromXml(const CXmlElement& xmlElement, + CXmlSerializingContext& serializingContext) +{ + + if (xmlElement.hasAttribute("LogarithmBase")) { + + _dLogarithmBase = xmlElement.getAttributeDouble("LogarithmBase"); + + // Avoid negative and 1 values + if (_dLogarithmBase <= 0 || _dLogarithmBase == 1) { + serializingContext.setError("LogarithmBase attribute cannot be negative or 1 on element" + + xmlElement.getPath()); + + return false; + } + } + + if (xmlElement.hasAttribute("FloorValue")) { + _dFloorValue = xmlElement.getAttributeDouble("FloorValue"); + } + // Base + return base::fromXml(xmlElement, serializingContext); +} + + +int64_t CLogarithmicParameterAdaptation::fromUserValue(double dValue) const +{ + return fmax(round(base::fromUserValue(log(dValue) / log(_dLogarithmBase))), + _dFloorValue); +} + +double CLogarithmicParameterAdaptation::toUserValue(int64_t iValue) const +{ + return exp(base::toUserValue(iValue) * log(_dLogarithmBase)); +} diff --git a/parameter/LogarithmicParameterAdaptation.h b/parameter/LogarithmicParameterAdaptation.h new file mode 100644 index 0000000..3b7fd4d --- /dev/null +++ b/parameter/LogarithmicParameterAdaptation.h @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2011-2015, Intel Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +#include "LinearParameterAdaptation.h" + +/** + * This class is used to perform a logarithmic adapation of type: + * (slopeNumerator / slopeDenominator) * log(parameter) + offset + * Since log(x) == -INFINITY , we can define FloorValue as a + * x -> 0 + * a lower bound limit for the adaptation + */ +class CLogarithmicParameterAdaptation : public CLinearParameterAdaptation +{ +public: + CLogarithmicParameterAdaptation(); + + /** + * Conversions must satisfy the following: f(f'(a)) = a + * Let f=fromUserValue and f'=toUserValue + * if y = f(log(x)/log(base)), then + * f'(y) * log(base) = log (x) + * exp(f'(y)*log(base)) = x + */ + virtual int64_t fromUserValue(double dValue) const; + virtual double toUserValue(int64_t iValue) const; + + virtual void showProperties(std::string& strResult) const; + + virtual bool fromXml(const CXmlElement& xmlElement, CXmlSerializingContext& serializingContext); +private: + /** + * _dLogarithmBase characterizes the new logarithm logB(x) with + * the following property: logB(x) = log(x) / log(_dLogarithmBase). + * log being the base-e logarithm. + */ + double _dLogarithmBase; + /** + * _dFloorValue reflects the lower bound for volume attenuation + */ + double _dFloorValue; +}; diff --git a/parameter/ParameterMgr.cpp b/parameter/ParameterMgr.cpp index e11b1ad..fb09a7f 100644 --- a/parameter/ParameterMgr.cpp +++ b/parameter/ParameterMgr.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011-2014, Intel Corporation + * Copyright (c) 2011-2015, Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, @@ -79,6 +79,7 @@ #include <assert.h> #include "ParameterHandle.h" #include "LinearParameterAdaptation.h" +#include "LogarithmicParameterAdaptation.h" #include "EnumValuePair.h" #include "Subsystem.h" #include "XmlFileDocSink.h" @@ -2447,6 +2448,7 @@ void CParameterMgr::feedElementLibraries() pParameterCreationLibrary->addElementBuilder("BooleanParameter", new TNamedElementBuilderTemplate<CBooleanParameterType>()); pParameterCreationLibrary->addElementBuilder("IntegerParameter", new TNamedElementBuilderTemplate<CIntegerParameterType>()); pParameterCreationLibrary->addElementBuilder("LinearAdaptation", new TElementBuilderTemplate<CLinearParameterAdaptation>()); + pParameterCreationLibrary->addElementBuilder("LogarithmicAdaptation", new TElementBuilderTemplate<CLogarithmicParameterAdaptation>()); pParameterCreationLibrary->addElementBuilder("EnumParameter", new TNamedElementBuilderTemplate<CEnumParameterType>()); pParameterCreationLibrary->addElementBuilder("ValuePair", new TElementBuilderTemplate<CEnumValuePair>()); pParameterCreationLibrary->addElementBuilder("FixedPointParameter", new TNamedElementBuilderTemplate<CFixedPointParameterType>()); |