MFConvertToFP16Array function (mfapi.h)

Article
02/22/2024

Converts an array of 32-bit floating-point numbers into an array of 16-bit floating-point numbers.

Syntax

HRESULT MFConvertToFP16Array(
  [in] WORD        *pDest,
  [in] const float *pSrc,
  [in] DWORD       dwCount
);

Parameters

[in] pDest

Pointer to an array of 16-bit floating-point values, typed as WORD values. The array must contain at least dwCount elements.

[in] pSrc

Pointer to an array of float values. The array must contain at least dwCount elements.

[in] dwCount

Number of elements in the pSrc array to convert.

Return value

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

The function converts the values in the pSrc array and writes them into the pDest array.

Note Prior to Windows 7, this function was exported from evr.dll. Starting in Windows 7, this function is exported from mfplat.dll, and evr.dll exports a stub function that calls into mfplat.dll. For more information, see Library Changes in Windows 7.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Target Platform	Windows
Header	mfapi.h
Library	Evr.lib
DLL	Mfplat.dll