Re: [Qemu-devel] [PATCH/RFC 0/7] Screendump to UNIX socket & in PNG format

[Marc-André Lureau]

Hi

----- Mensaje original -----
> Yeah it wants png, jpeg, tiff.  What I'm concerned about is that QEMU
> should be doing emulation/virtualization, not processing images for
> an
> end-user.  Its main loop is not structured to do utility tasks
> unrelated to running the guest.  If implemented properly QEMU isn't a
> good place to host this processing, and if done badly we block the
> guest and make it unresponsive.  This is a general architectural
> problem, not something specific to your proposal but this is why I'm
> against putting this into QEMU.
> 
> If you send a ppm over a file descriptor, what's the fundamental
> limitation which requires you to add this code to QEMU?  Perhaps
> simply supporting file descriptors is the right level of support from
> QEMU.

That sounds reasonable to me, I would even remove the PPM support, and the 
format conversion in this case.

It needs to be done somewhere though, and it seems reasonable to do it from the 
source.

What if we fork a subprocess (linked with gdkpixbuf) that would do the job with 
stdin/stdout?