About KVM screenshot

[Paul Fertser]

Hello,

On Mon, Sep 13, 2021 at 09:47:03PM +0800, Lei Yu wrote:
> The whole KVM screenshot is implemented by the below pieces:
> 1. The vncsnapshot[1] is slightly modified for cross-compile, and a
> bitbake recipe is created for it;
> 2. A service is created to host the DBus interface to provide the
> "Trigger" and "Clear" methods for KVM screenshot;
> 3. OEM redfish actions are implemented to trigger and clear the KVM
> screenshot, including the download of the picture;

Currently obmc-ikvm gets a steady stream of JPG images, frame by
frame, from V4L2. Have you considered extending it a bit so that it
would be capable of simply saving the current frame to disk, without
any conversion/transformation, just dump an array of bytes to a file?

What would be the advantage of establishing a local VNC session with
this additional software compared to the straightforward JPG to file
writing?

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