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