[FFmpeg-user] No duration with pipe:1 as output

[Nicolas George]

Le decadi 20 pluviôse, an CCXXIV, Robert Nagy a écrit :
> And why is that an issue? It could just pipe out the duration at the start
> of the file since it knows the duration from the source file...

Not if there are filters that alter the timestamps, nor if the source file
duration is not accurate enough or completely unknown.

Regards,

-- 
  Nicolas George
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