2 File: CAAudioValueRange.h
3 Abstract: Part of CoreAudio Utility Classes
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47 #if !defined(__CAAudioValueRange_h__)
48 #define __CAAudioValueRange_h__
50 //=============================================================================
52 //=============================================================================
55 #if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
56 #include <CoreAudio/CoreAudioTypes.h>
58 #include <CoreAudioTypes.h>
60 // Standard Library Includes
64 //=============================================================================
66 //=============================================================================
68 struct CAAudioValueRange
70 public AudioValueRange
73 // Construction/Destruction
75 CAAudioValueRange() { mMinimum = 0.0; mMaximum = 0.0; }
76 CAAudioValueRange(const AudioValueRange& v) { mMinimum = v.mMinimum; mMaximum = v.mMaximum; }
77 CAAudioValueRange(Float64 inMinimum, Float64 inMaximum) { mMinimum = inMinimum; mMaximum = inMaximum; }
81 CAAudioValueRange& operator=(const AudioValueRange& v) { mMinimum = v.mMinimum; mMaximum = v.mMaximum; return *this; }
85 static bool ContainsValue(const AudioValueRange& inRange, Float64 inValue) { return (inValue >= inRange.mMinimum) && (inValue <= inRange.mMaximum); }
86 static Float64 BoundValue(const AudioValueRange& inRange, Float64 inValue);
87 static Float64 PickCommonSampleRate(const AudioValueRange& inRange);
88 static bool IsStrictlyLessThan(const AudioValueRange& x, const AudioValueRange& y) { return x.mMaximum < y.mMinimum; }
89 static bool IsStrictlyGreaterThan(const AudioValueRange& x, const AudioValueRange& y) { return x.mMinimum > y.mMaximum; }
90 static bool IsStrictlyContainedBy(const AudioValueRange& x, const AudioValueRange& y) { return (x.mMinimum >= y.mMinimum) && (x.mMaximum <= y.mMaximum); }
91 static bool OverlapsLow(const AudioValueRange& x, const AudioValueRange& y) { return (x.mMinimum < y.mMinimum) && (x.mMaximum >= y.mMinimum) && (x.mMaximum <= y.mMaximum); }
92 static bool OverlapsHigh(const AudioValueRange& x, const AudioValueRange& y) { return (x.mMinimum >= y.mMinimum) && (x.mMinimum <= y.mMaximum) && (x.mMaximum > y.mMaximum); }
93 static bool Intersection(const AudioValueRange& x, const AudioValueRange& y, AudioValueRange& outRange);
94 static bool Union(const AudioValueRange& x, const AudioValueRange& y, AudioValueRange& outRange);
100 public std::binary_function<AudioValueRange, AudioValueRange, bool>
102 bool operator()(const AudioValueRange& x, const AudioValueRange& y) const
104 return x.mMinimum < y.mMinimum;
110 inline bool operator<(const AudioValueRange& x, const AudioValueRange& y) { return x.mMinimum < y.mMinimum; }
111 inline bool operator==(const AudioValueRange& x, const AudioValueRange& y) { return (x.mMinimum == y.mMinimum) && (x.mMaximum == y.mMaximum); }
112 inline bool operator!=(const AudioValueRange& x, const AudioValueRange& y) { return !(x == y); }
113 inline bool operator<=(const AudioValueRange& x, const AudioValueRange& y) { return (x < y) || (x == y); }
114 inline bool operator>=(const AudioValueRange& x, const AudioValueRange& y) { return !(x < y); }
115 inline bool operator>(const AudioValueRange& x, const AudioValueRange& y) { return !((x < y) || (x == y)); }
117 typedef std::vector<CAAudioValueRange> CAAudioValueRangeList;
118 void CAAudioValueRange_ComputeUnion(const AudioValueRange& inRange, const CAAudioValueRangeList& inRangeList, CAAudioValueRangeList& outUnion);
119 void CAAudioValueRange_ComputeIntersection(UInt32 inNumberRangeList1Items, AudioValueRange inRangeList1[], const CAAudioValueRangeList& inRangeList2, CAAudioValueRangeList& outIntersections);