<div dir="ltr"><div>Hi Leo,</div><div><br></div><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, May 26, 2022 at 4:28 PM 张伟华 <<a href="mailto:15529316683@163.com">15529316683@163.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><p style="margin:0px"><br></p><div style="margin:0px">Hi Uri:</div><div style="margin:0px">Thanks for your advise of our project.We have try it and here is something we find:</div><div style="margin:0px">1.we have deploy the spice-streaming-agent in the client and set H254 in libvert xml , applice report error and don't work.</div><div style="margin:0px">but vp8/vp9 works.</div></div></blockquote><div> </div><div><div>Note that spice-streaming-agent needs to run on the guest.</div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div style="margin:0px">2.When we use Nvidia vgpu as a mdev device attach to the virtual mathine,<span style="background-color:rgb(255,255,255)"> <b>we find in logs that spice use picture compress (glz) instead of vedio compress h254.</b></span><br></div><div style="margin:0px">So we have two question to ask:</div><div style="margin:0px">1.what we need to do in libvert xml to have a better vedio quality witH NVIDIA VGPU attach as a mdev divice?<br></div></div></blockquote><div> </div><div><div>This is not done in libvirt domxml, but needs to be configured on the guest.</div><div>(of course you need to have org.spice-space.stream.0 via libvirt)<br></div><div><br></div><div>Make sure that the guest's gstreamer1 "knows" the codec.</div><div>It works much better when the encoder uses the hardware to encode.</div><div><br></div><div>gst-inspect-1.0 | grep 264 | grep -i enc<br></div><div><div>gst-inspect-1.0 | grep -i vp | grep -i enc</div></div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div style="margin:0px"></div><div style="margin:0px">2.We didn't find spice-streaming-agent for windows in Spice office site. Does spice-streaming-agent only support linux and only have linux version?<br></div></div></blockquote><div><br></div><div>Yes, currently there is only a linux version.</div><div><br></div><div>Regards,</div><div> Uri.<br></div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div style="margin:0px"></div><div style="margin:0px">ps: One single display and 4k video is required as one of the main goals in our project. <br></div><div style="margin:0px">Pls help us with those questions.</div><div style="margin:0px">Best wishes !</div><div style="margin:0px">leo zhang<br></div><p style="margin:0px"><br></p><p style="margin:0px"><br></p><p style="margin:0px"><br></p><div></div><div id="gmail-m_-4145722423521360633divNeteaseMailCard"></div><p style="margin:0px"><br></p><p>At 2022-05-20 04:38:55, "Uri Lublin" <<a href="mailto:uril@redhat.com" target="_blank">uril@redhat.com</a>> wrote:</p><blockquote id="gmail-m_-4145722423521360633isReplyContent" style="padding-left:1ex;margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204)"><div dir="ltr"><div>Hi Leo,<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, May 19, 2022 at 1:43 PM 张伟华 <<a href="mailto:15529316683@163.com" target="_blank">15529316683@163.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div style="margin:0px">Hi :</div><div style="margin:0px">I am a phd student of Xian Jiaotong university in China. <br></div><div style="margin:0px">We have a project to accomplish a remote-desk solution with Nvidia vgpu.</div><div style="margin:0px">We use spice latest version and have a bad 4K display quality.</div><div style="margin:0px">Our environment is like:</div><div style="margin:0px"><div>1.T4 card with inspure server in nvidia support list</div></div></div></blockquote><div>NVIDIA Tesla T4 GPU card<br></div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div style="margin:0px"> <div>2.redhat 8.2 enterprise with kvm qemu</div></div></div></blockquote><div> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div style="margin:0px"> <div>3.vgpu software package is 13.x</div></div></div></blockquote><div>NVIDIA driver + tools (GRID)<br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div style="margin:0px"> <div>4.vw flavor is 8u 16G. with 40 storage. vgpu license is vpc ,and vgpu is B-2b.</div></div></div></blockquote><div>"vw" == Virtual Workstation<br></div><div>B-2b is the vGPU type? meaning T4-2B ?</div><div>Does it help if you configure it with T4-2Q (may require a different license)?</div><div><br></div><div>Only a single Display, right ?</div><div><br></div><div>Are you running spice-streaming-agent on the guest ?</div><div>Try to stream with H264, if you do not already do it</div><div>(may require paying fees for using H264).<br></div><div><br></div><div>Is 4k resolution a requirement? If not, try with e.g. 2k.<br></div><div><br></div><div>Hope that helps,</div><div> Uri</div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div style="margin:0px"><div>And our issue is attached in appendix.</div><div>Please give us some help to solve this.</div><div><br></div><div>best wishs;</div><div>leo zhang<br></div></div></div><br><br><span title="neteasefooter"><p><br> </p></span></blockquote></div></div> </blockquote></div><br><br><span title="neteasefooter"><p><br> </p></span></blockquote></div></div>