#======== Film grain characteristics SEI message =====================SEIFGCEnabled : 1SEIFGCAnalysisEnabled : 1SEIFGCCancelFlag : 0SEIFGCPersistenceFlag : 1SEIFGCPerPictureSEI : 0SEIFGCModelID : 0SEIFGCSepColourDescPresentFlag : 0SEIFGCBlendingModeID : 0SEIFGCCompModelPresentComp0 : 1SEIFGCCompModelPresentComp1 : 0SEIFGCCompModelPresentComp2 : 0#SEIFGCTemporalFilterPastRefs : 4 # Default is 4#SEIFGCTemporalFilterFutureRefs : 4 # To be set to 0 in low-delay#SEIFGCTemporalFilterStrengthFrame64 : 1.5 # Enable filter & analysis every *-th frame with given strength # Default is 1.5 every IntraPeriod, or 2xFrameRate for low-delay (IntraPeriod < 1)#SEIFGCExternalMask : fgc_external_mask.yuv # same bit depth as output#SEIFGCExternalDenoised : denoised_input_video.yuv # same bit depth as output