void Initialize ( [ESampleFormat](API\Plugins\ElectraBase\IAudioDecoderOutput\ESampleFormat) InFormat, uint32 InNumChannels, uint32 InSampleRate, [FTimespan](API\Runtime\Core\Misc\FTimespan) InDuration, const [FDecoderTimeStamp](API\Plugins\ElectraBase\FDecoderTimeStamp) & InPts, uint32 InBufferSizeBytes )