[Libav-user] Why is length and bitrate zero?

[Lou]

On Wed, Dec 14, 2016, at 01:01 AM, Michael Heuberger wrote:
> Hello folks
> 
> I just have encoded a webm video with a duration of about 2 mins. But
> when I play it on a website or in a video player, it tells me length is
> zero. Weird. So I have inspected it in my local Ubuntu SM video player,
> see attached image. Indeed, length and bitrate are zero.
[...]

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