[FFmpeg-user] ffmpeg screencapture from a virtual xserver larger than the physical screen

[Zenny]

On 11/19/15, Jimmy Asher <jasher at safarimontage.com> wrote:
> have you looked at noVNC ?
>
> https://github.com/kanaka/noVNC

Thank you so much for this pointer.

I had a look at that, but xpra too has similar feature built-in (
https://www.xpra.org/trac/wiki/Clients/HTML5). The bottleneck is that
I want to capture in 4K from the virtual X instance while rendering to
a client in a resolution =<FullHD for interaction.

Xpra works fine, but the bottleneck is that xpra downgrade the
resolution of virtual X server also to match that of the client, which
I do not want. See detailed discussion 'the xpra way' and her
bottlneck at http://xpra.org/trac/ticket/1036

Thanks again,
/z

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