PackRatio function (mfapi.h)

Packs two UINT32 values, which represent a ratio, into a UINT64 value.

Syntax

UINT64 PackRatio(
  [in] INT32  nNumerator,
  [in] UINT32 unDenominator
);

Parameters

[in] nNumerator

Value to store the UINT32 numerator value.

[in] unDenominator

Value to store the UINT32 denominator value.

Return value

Returns the packed UINT64 value.

Remarks

This function stores two 32-bit values in a 64-bit value that is suitable for the IMFAttributes::SetUINT64 method.

Requirements

Requirement	Value
Minimum supported client	Windows 8 [desktop apps | UWP apps]
Minimum supported server	Windows Server 2012 [desktop apps | UWP apps]
Target Platform	Windows
Header	mfapi.h

See also

MFGetAttributeRatio

MFGetAttributeSize

Media Foundation Functions