void virtual WriteFrame_EncodeThread(MovieRenderPipeline::IVideoCodecWriter *InWriter, FImagePixelData *InPixelData, TArray< MoviePipeline::FCompositePassInfo > &&InCompositePasses) PURE_VIRTUAL(UMoviePipelineVideoOutputBasevoid virtual BeginFinalize_EncodeThread(MovieRenderPipeline::IVideoCodecWriter *InWriter) PURE_VIRTUAL(UMoviePipelineVideoOutputBasevoid virtual Finalize_EncodeThread(MovieRenderPipeline::IVideoCodecWriter *InWriter) PURE_VIRTUAL(UMoviePipelineVideoOutputBase const TCHAR GetFilenameExtension)() const