IMFContentDecryptionModuleAccess::GetKeySystem method (mfcontentdecryptionmodule.h)

Gets a string identifying the Key System being used by the Content Decryption Module (CDM).

Syntax

HRESULT GetKeySystem(
  LPWSTR *keySystem
);

Parameters

keySystem

Receives a pointer to an LPWSTR identifying the Key System.

Return value

Returns S_OK on success.

Remarks

The keySystem memory must be allocated and freed using CoTaskMem.

GetKeySystem is based on the Encrypted Media Extension specification's MediaKeySystemAccess.getConfiguration.

Requirements