Class MFHelpers

Inheritance
object
MFHelpers
Inherited Members
Namespace: JeremyAnsel.DirectX.MediaFoundation
Assembly: JeremyAnsel.DirectX.MediaFoundation.dll
Syntax
[SecurityCritical]
public static class MFHelpers

Methods

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AverageTimePerFrameToFrameRate(ulong, out uint, out uint)

Declaration
public static void AverageTimePerFrameToFrameRate(ulong unAverageTimePerFrame, out uint punNumerator, out uint punDenominator)
Parameters
Type Name Description
ulong unAverageTimePerFrame
uint punNumerator
uint punDenominator
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CalculateImageSize(Guid, uint, uint)

Declaration
public static uint CalculateImageSize(Guid guidSubtype, uint unWidth, uint unHeight)
Parameters
Type Name Description
Guid guidSubtype
uint unWidth
uint unHeight
Returns
Type Description
uint
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FrameRateToAverageTimePerFrame(uint, uint)

Declaration
public static ulong FrameRateToAverageTimePerFrame(uint unNumerator, uint unDenominator)
Parameters
Type Name Description
uint unNumerator
uint unDenominator
Returns
Type Description
ulong
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HI32(ulong)

Declaration
public static uint HI32(ulong unPacked)
Parameters
Type Name Description
ulong unPacked
Returns
Type Description
uint
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LO32(ulong)

Declaration
public static uint LO32(ulong unPacked)
Parameters
Type Name Description
ulong unPacked
Returns
Type Description
uint
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Pack2UINT32AsUINT64(uint, uint)

Declaration
public static ulong Pack2UINT32AsUINT64(uint unHigh, uint unLow)
Parameters
Type Name Description
uint unHigh
uint unLow
Returns
Type Description
ulong
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PackRatio(int, uint)

Declaration
public static ulong PackRatio(int nNumerator, uint unDenominator)
Parameters
Type Name Description
int nNumerator
uint unDenominator
Returns
Type Description
ulong
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PackSize(uint, uint)

Declaration
public static ulong PackSize(uint unWidth, uint unHeight)
Parameters
Type Name Description
uint unWidth
uint unHeight
Returns
Type Description
ulong
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Unpack2UINT32AsUINT64(ulong, out uint, out uint)

Declaration
public static void Unpack2UINT32AsUINT64(ulong unPacked, out uint punHigh, out uint punLow)
Parameters
Type Name Description
ulong unPacked
uint punHigh
uint punLow
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UnpackRatio(ulong, out int, out uint)

Declaration
public static void UnpackRatio(ulong unPacked, out int pnNumerator, out uint punDenominator)
Parameters
Type Name Description
ulong unPacked
int pnNumerator
uint punDenominator
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UnpackSize(ulong, out uint, out uint)

Declaration
public static void UnpackSize(ulong unPacked, out uint punWidth, out uint punHeight)
Parameters
Type Name Description
ulong unPacked
uint punWidth
uint punHeight