Takes two u32s '''SampleRate''' and '''ChannelCount''' packed as an u64, an u32 '''WorkBufferSize''' and an unknown handle. Returns an [[#IHardwareOpusDecoder]] object.
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Takes two u32s '''SampleRate''' and '''ChannelCount''' packed as an u64, an u32 '''WorkBufferSize''' and a TransferMemory handle. Returns an [[#IHardwareOpusDecoder]] object. The TransferMemory is created by the user-process with permissions=0.