[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 0/1] cameraif: Add ABI for para-virtualized
Hi Oleksandr, Thank you for the patch. On Tuesday, 31 July 2018 12:31:41 EEST Oleksandr Andrushchenko wrote: > From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx> > > Hello! > > At the moment Xen [1] already supports some virtual multimedia > features [2] such as virtual display, sound. It supports keyboards, > pointers and multi-touch devices all allowing Xen to be used in > automotive appliances, In-Vehicle Infotainment (IVI) systems > and many more. > > This work adds a new Xen para-virtualized protocol for a virtual > camera device which extends multimedia capabilities of Xen even > farther: video conferencing, IVI, high definition maps etc. > > The initial goal is to support most needed functionality with the > final idea to make it possible to extend the protocol if need be: > > 1. Provide means for base virtual device configuration: > - pixel formats > - resolutions > - frame rates > 2. Support basic camera controls: > - contrast > - brightness > - hue > - saturation > 3. Support streaming control > 4. Support zero-copying use-cases > > I hope that Xen and V4L and other communities could give their > valuable feedback on this work, so I can update the protocol > to better fit any additional requirements I might have missed. I'll start with a question : what are the expected use cases ? The ones listed above sound like they would better be solved by passing the corresponding device(s) to the guest. > [1] https://www.xenproject.org/ > [2] https://xenbits.xen.org/gitweb/?p=xen.git;a=tree;f=xen/include/public/io > > Oleksandr Andrushchenko (1): > cameraif: add ABI for para-virtual camera > > xen/include/public/io/cameraif.h | 981 +++++++++++++++++++++++++++++++ > 1 file changed, 981 insertions(+) > create mode 100644 xen/include/public/io/cameraif.h -- Regards, Laurent Pinchart _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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