tune x264enc for RAM usage

[Yakov Sudeikin]

Thank you you very much for the response Sebastian, yes I used massif and
it shows that x264enc is consuming most memory (if I read that right).
Maybe you can take a look at the screenshot and suggest something.

Thank you,
Yakov


​

On Fri, Feb 26, 2016 at 1:09 PM, Sebastian Dröge <sebastian at centricular.com>
wrote:

> On Do, 2016-02-25 at 21:34 +0600, Yakov Sudeikin wrote:
> >
> > I am not 100% sure it is x264enc, but what else could that be taking
> > 1.5 GB RAM? If you have time to take a look, I attach the dot file
> > from the process that causes this issue.
>
> Run with memory debugger tools like massif to see where exactly the
> memory is used. Previously you thought it was multiqueue, now you think
> it's x264enc but it seems like you don't really know.
>
> For x264enc you can also try rc-lookahead, this is the number of frames
> it remembers as lookahead and by default is 40. 40 frames at 1080p are
> quite some memory but still only a little bit more than 120MB.
>
> --
> Sebastian Dröge, Centricular Ltd · http://www.centricular.com
>
>
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