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...ains periods of [https://en.wikipedia.org/wiki/Noise_(video) video noise] (snow), you may need to deal with some extra issues: * The ''stamp'' plugin gets confused by periods of snow, causing it to generate faulty timestamps and framedropping. ''stamp'' wil

| tends to create more noise than the alternatives. Usually input #0, shows snow when disconnected ...in your VCR. That way you won't be confused by weird issues (like seeing snow instead of blackness from a composite cable, because ''the VCR's'' RF conne

# significantly reduce "snow" (video noise) - not yet released as of ffmpeg 2.7: ...-e 's/.*blackdetect .* black_start:\([0-9.]*\) black_end:\([0-9.]*\).*/black \1 \2/p' \