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Dependencies:   BufferedSerial FatFileSystemCpp mbed

frameRates.h@9:7214e3c3e5f8, 2021-02-18 (annotated)

Committer:
AndyA
Date:
Thu Feb 18 18:15:48 2021 +0000
Revision:
9:7214e3c3e5f8
Parent:
0:97661408d0f9 
massive ripup and redesign; currently has file system build errors

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AndyA 0:97661408d0f9 1 #ifndef __frameRates_h__
AndyA 0:97661408d0f9 2 #define __frameRates_h__
AndyA 0:97661408d0f9 3
AndyA 0:97661408d0f9 4 namespace frameRateInfo {
AndyA 0:97661408d0f9 5
AndyA 0:97661408d0f9 6 const float FrameRates[] = {0, 23.976, 24, 25, 29.97, 30,
AndyA 0:97661408d0f9 7 47.95, 48, 50, 59.94, 60, 10000000};
AndyA 0:97661408d0f9 8
AndyA 0:97661408d0f9 9 /// us
AndyA 0:97661408d0f9 10 const double FramePeriods[] = {1000000, 1000000 / 23.976, 1000000 / 24,
AndyA 0:97661408d0f9 11 1000000 / 25, 1000000 / 29.97, 1000000 / 30,
AndyA 0:97661408d0f9 12 1000000 / 47.95, 1000000 / 48, 1000000 / 50,
AndyA 0:97661408d0f9 13 1000000 / 59.94, 1000000 / 60, 10};
AndyA 0:97661408d0f9 14
AndyA 0:97661408d0f9 15 const int numberOfRates = 11;
AndyA 0:97661408d0f9 16 }
AndyA 0:97661408d0f9 17
AndyA 0:97661408d0f9 18 class frameRates {
AndyA 0:97661408d0f9 19
AndyA 0:97661408d0f9 20 public:
AndyA 0:97661408d0f9 21
AndyA 0:97661408d0f9 22 frameRates();
AndyA 0:97661408d0f9 23
AndyA 0:97661408d0f9 24 void setRate(int index);
AndyA 0:97661408d0f9 25 void setDrop(bool drop) {_currentDrop = drop;};
AndyA 0:97661408d0f9 26 bool isSyncable();
AndyA 0:97661408d0f9 27 bool isValid() {return _currentRate!=0;};
AndyA 0:97661408d0f9 28
AndyA 0:97661408d0f9 29 const char *frameRateString();
AndyA 0:97661408d0f9 30 // gets time since the start of the second in us.
AndyA 0:97661408d0f9 31 // in some frame drop modes this could be negative.
AndyA 0:97661408d0f9 32 static long getOffsetFromSecondStart(int minutes, int seconds, int frame,
AndyA 0:97661408d0f9 33 int rateIndex, bool frameDrop);
AndyA 0:97661408d0f9 34
AndyA 0:97661408d0f9 35 // gets time since the start of the second in us.
AndyA 0:97661408d0f9 36 // in some frame drop modes this could be negative.
AndyA 0:97661408d0f9 37 long getOffsetFromSecondStart(int minutes, int seconds, int frame);
AndyA 0:97661408d0f9 38
AndyA 0:97661408d0f9 39
AndyA 0:97661408d0f9 40 float currentRate() {return _currentRate;};
AndyA 0:97661408d0f9 41 double currentPeriodUS() {return _currentPeriod;};
AndyA 0:97661408d0f9 42 int currentIndex() {return _currentIndex;};
AndyA 0:97661408d0f9 43 bool currentDrop() {return _currentDrop;};
AndyA 0:97661408d0f9 44
AndyA 9:7214e3c3e5f8 45 static int getClosestRate(long int framePeriodUS);
AndyA 9:7214e3c3e5f8 46
AndyA 0:97661408d0f9 47 private:
AndyA 0:97661408d0f9 48 float _currentRate;
AndyA 0:97661408d0f9 49 double _currentPeriod;
AndyA 0:97661408d0f9 50 int _currentIndex;
AndyA 0:97661408d0f9 51 bool _currentDrop;
AndyA 0:97661408d0f9 52 };
AndyA 0:97661408d0f9 53
AndyA 0:97661408d0f9 54
AndyA 0:97661408d0f9 55 #endif