122 lines
6.2 KiB
C
122 lines
6.2 KiB
C
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/*
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File: CAAudioValueRange.h
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Abstract: Part of CoreAudio Utility Classes
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Version: 1.1
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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Inc. ("Apple") in consideration of your agreement to the following
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terms, and your use, installation, modification or redistribution of
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this Apple software constitutes acceptance of these terms. If you do
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not agree with these terms, please do not use, install, modify or
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redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and
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subject to these terms, Apple grants you a personal, non-exclusive
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license, under Apple's copyrights in this original Apple software (the
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"Apple Software"), to use, reproduce, modify and redistribute the Apple
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Software, with or without modifications, in source and/or binary forms;
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provided that if you redistribute the Apple Software in its entirety and
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without modifications, you must retain this notice and the following
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text and disclaimers in all such redistributions of the Apple Software.
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Neither the name, trademarks, service marks or logos of Apple Inc. may
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be used to endorse or promote products derived from the Apple Software
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without specific prior written permission from Apple. Except as
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expressly stated in this notice, no other rights or licenses, express or
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implied, are granted by Apple herein, including but not limited to any
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patent rights that may be infringed by your derivative works or by other
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works in which the Apple Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE
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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
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OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
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MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
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AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
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STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Copyright (C) 2014 Apple Inc. All Rights Reserved.
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*/
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#if !defined(__CAAudioValueRange_h__)
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#define __CAAudioValueRange_h__
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//=============================================================================
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// Includes
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//=============================================================================
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// System Includes
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#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
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#include <CoreAudio/CoreAudioTypes.h>
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#else
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#include <CoreAudioTypes.h>
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#endif
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// Standard Library Includes
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#include <functional>
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#include <vector>
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//=============================================================================
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// CAAudioValueRange
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//=============================================================================
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struct CAAudioValueRange
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:
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public AudioValueRange
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{
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// Construction/Destruction
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public:
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CAAudioValueRange() { mMinimum = 0.0; mMaximum = 0.0; }
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CAAudioValueRange(const AudioValueRange& v) { mMinimum = v.mMinimum; mMaximum = v.mMaximum; }
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CAAudioValueRange(Float64 inMinimum, Float64 inMaximum) { mMinimum = inMinimum; mMaximum = inMaximum; }
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// Assignment
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public:
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CAAudioValueRange& operator=(const AudioValueRange& v) { mMinimum = v.mMinimum; mMaximum = v.mMaximum; return *this; }
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// Operations
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public:
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static bool ContainsValue(const AudioValueRange& inRange, Float64 inValue) { return (inValue >= inRange.mMinimum) && (inValue <= inRange.mMaximum); }
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static Float64 BoundValue(const AudioValueRange& inRange, Float64 inValue);
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static Float64 PickCommonSampleRate(const AudioValueRange& inRange);
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static bool IsStrictlyLessThan(const AudioValueRange& x, const AudioValueRange& y) { return x.mMaximum < y.mMinimum; }
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static bool IsStrictlyGreaterThan(const AudioValueRange& x, const AudioValueRange& y) { return x.mMinimum > y.mMaximum; }
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static bool IsStrictlyContainedBy(const AudioValueRange& x, const AudioValueRange& y) { return (x.mMinimum >= y.mMinimum) && (x.mMaximum <= y.mMaximum); }
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static bool OverlapsLow(const AudioValueRange& x, const AudioValueRange& y) { return (x.mMinimum < y.mMinimum) && (x.mMaximum >= y.mMinimum) && (x.mMaximum <= y.mMaximum); }
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static bool OverlapsHigh(const AudioValueRange& x, const AudioValueRange& y) { return (x.mMinimum >= y.mMinimum) && (x.mMinimum <= y.mMaximum) && (x.mMaximum > y.mMaximum); }
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static bool Intersection(const AudioValueRange& x, const AudioValueRange& y, AudioValueRange& outRange);
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static bool Union(const AudioValueRange& x, const AudioValueRange& y, AudioValueRange& outRange);
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// STL Helpers
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public:
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struct LessThan
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:
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public std::binary_function<AudioValueRange, AudioValueRange, bool>
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{
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bool operator()(const AudioValueRange& x, const AudioValueRange& y) const
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{
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return x.mMinimum < y.mMinimum;
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}
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};
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};
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inline bool operator<(const AudioValueRange& x, const AudioValueRange& y) { return x.mMinimum < y.mMinimum; }
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inline bool operator==(const AudioValueRange& x, const AudioValueRange& y) { return (x.mMinimum == y.mMinimum) && (x.mMaximum == y.mMaximum); }
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inline bool operator!=(const AudioValueRange& x, const AudioValueRange& y) { return !(x == y); }
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inline bool operator<=(const AudioValueRange& x, const AudioValueRange& y) { return (x < y) || (x == y); }
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inline bool operator>=(const AudioValueRange& x, const AudioValueRange& y) { return !(x < y); }
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inline bool operator>(const AudioValueRange& x, const AudioValueRange& y) { return !((x < y) || (x == y)); }
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typedef std::vector<CAAudioValueRange> CAAudioValueRangeList;
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void CAAudioValueRange_ComputeUnion(const AudioValueRange& inRange, const CAAudioValueRangeList& inRangeList, CAAudioValueRangeList& outUnion);
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void CAAudioValueRange_ComputeIntersection(UInt32 inNumberRangeList1Items, AudioValueRange inRangeList1[], const CAAudioValueRangeList& inRangeList2, CAAudioValueRangeList& outIntersections);
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#endif
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