[Spice-devel] proxmox spice - control video and audio compression

[Rafael de Almeida]

Awesome, thanks!

Em ter, 10 de set de 2019 08:31, Uri Lublin <uril at redhat.com> escreveu:

> On 9/10/19 3:28 AM, Rafael de Almeida wrote:
> > Hello,
> >
> > We use x2go and chrome remote desktop for VDI on the virtual machines
> > that are on proxmox.
> >
> > We recently started using spice to access webcam through weaker
> > computers (dualcore processors) that don't support good quality video
> > conferencing.
> >
> >
> > Everything is working perfectly (audio and image), but I believe there
> > has been a high compression in the spice that causes a slight delay in
> > sending video and audio.
> >
> > The network has hardly any more significant use even with video sending.
> >
> > How can I control compression? How do I deduce or disable compression in
> > vm proxmox?
> >
>
> Hi,
>
> You can use qemu-kvm -spice option to set the following options:
>   * image-compression=[auto_glz|auto_lz|quic|glz|lz|off]
>   * jpeg-wan-compression=[auto|never|always]
>   * zlib-glz-wan-compression=[auto|never|always]
>   * streaming-video=[off|all|filter]
>
> See man qemu-kvm for more information.
> You can start by setting all these options to 'off'.
>
> See libvirt documentation about domain xml for setting these
> options when running the VM via libvirt.
>
> Hope that helps,
>      Uri.
>
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