Frediano Ziglio <fredd...@gmail.com> 于2021年1月29日周五 下午6:39写道：
> Il giorno gio 28 gen 2021 alle ore 01:45 lx <lxlenovos...@gmail.com> ha > scritto: > > > > > > Uri Lublin <u...@redhat.com> 于2021年1月27日周三 下午11:47写道： > >> > >> On 1/27/21 4:22 AM, lx wrote: > >> > Hi all: > >> > If I redirect USB camera to virtual machine, I think we send > >> > original URB to virtual machine by USB channel. > >> > Is this understanding correct? If we want to improve the user > experience, > >> > we need to compress URB data? > >> > >> Hi, > >> > >> If you build with lz4 enabled (both client and server), > >> then it should use lz4 to compress the data. > >> > >> There is no functionality to create > >> a video stream out of raw data. > >> > >> Can the USB camera be configured to send a compress stream? > >> > >> Uri. > >> > > > > Hi: > > USB camera can support MJPG and YUV. I think H264 is better than > MJPG. So Can we > > let spice support H264 ? Is this feasible? > > > > This is independent from SPICE, if the camera send compressed data > already SPICE will just > forward compressed data in whatever format is in USB. > If the camera supports MJPEG and YUV choose MJPEG, YUV is not > compressed (just a different color > space than RGB, often taking less bits but still not compressed). > > Frediano > If the camera chooses YUV, can we encode it to H264 in SPICE? Is this feasible? Thank you.
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