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IMFProtectedEnvironmentAccess::Call method

Allows content protection systems to access the protected environment.

Syntax

C++


HRESULT Call(
         UINT32 inputLength,
   const BYTE   *input,
         UINT32 outputLength,
         BYTE   *output
);

Parameters

inputLength: The length in bytes of the input data.
input: A pointer to the input data.
outputLength: The length in bytes of the output data.
output: A pointer to the output data.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.

Remarks

See MFCreateProtectedEnvironmentAccess for an example of how to create an IMFProtectedEnvironmentAccess object and use the Call method.

Requirements

Minimum supported client	Windows 8 [desktop apps \| Windows Store apps]
Minimum supported server	Windows Server 2012 [desktop apps \| Windows Store apps]
Header	Mfidl.idl