<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Here are the debug logs:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><a href="https://pastebin.com/x610epZd">https://pastebin.com/x610epZd</a></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">No, I am running on a system with one GPU.</div></div><div class="gmail_extra"><br><div class="gmail_quote">2018-03-26 13:25 GMT+03:00 Matthew Waters <span dir="ltr"><<a href="mailto:ystreet00@gmail.com" target="_blank">ystreet00@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div text="#000000" bgcolor="#FFFFFF"> <div class="m_-6362846790338359075moz-cite-prefix">Hmm, from your earlier log, it seems the gldisplaygbm is not being used<br> <br> Step 1 is to figure out why.<br> <br> Try getting some more debug logs from the gbm detection with:<br> <br> GST_DEBUG=gldisplay:7,<wbr>gleglgbm:7,gl*:4,3 gst-launch-1.0 <pipeline><br> <br> This should show what's detected and what fails for you.<br> <br> Random side guess. Are you running on a dual-GPU system?<br> <br> Cheers<br> -Matt<div><div class="h5"><br> <br> On 26/03/18 21:16, Alexander Yanin wrote:<br> </div></div></div><div><div class="h5"> <blockquote type="cite"> <div dir="ltr"> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">It seems that this flag is set:</div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"></div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">$ cat <span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">/usr/lib/gstreamer-1.0/<wbr>include/gst/gl/</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">gstglconfig.h | grep GST_GL_HAVE_WINDOW_GBM</span></div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br> </span></div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">#define GST_GL_HAVE_WINDOW_GBM 1</span></div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br> </span></div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">GBM platform is supported by EGL. </span><span style="font-family:arial,sans-serif;font-size:12.8px">eglinfo output:</span></div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br> </span></div> <div class="gmail_default"><span style="text-align:start;text-indent:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"> <div class="gmail_default" style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px">GBM platform:</div> <div class="gmail_default" style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px">EGL API version: 1.4</div> <div class="gmail_default" style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px">EGL vendor string: Mesa Project</div> <div class="gmail_default" style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px">EGL version string: 1.4 (DRI2)</div> <div class="gmail_default" style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px">EGL client APIs: OpenGL OpenGL_ES </div> <div class="gmail_default" style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><br> </div> <div class="gmail_default" style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px">openglmixer plugin is linked against GBM and EGL:</div> <div class="gmail_default" style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><br> </div> <div class="gmail_default"><font face="arial, helvetica, sans-serif"><span style="font-size:12.8px">$ ldd /usr/lib/gstreamer-1.0/<wbr>libgstopenglmixers.so</span></font><br> </div> <div class="gmail_default"><font face="arial, helvetica, sans-serif"><span style="font-size:12.8px"><br> </span></font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif"><span style="font-size:12.8px"> <div class="gmail_default">libEGL.so.1 => /usr/lib/libEGL.so.1 (0x00007f9b28daa000)</div> <div class="gmail_default">libdrm.so.2 => /usr/lib/libdrm.so.2 (0x00007f9b28b98000)</div> <div class="gmail_default">libgbm.so.1 => /usr/lib/libgbm.so.1 (0x00007f9b28989000)</div> </span></font></div> </span></div> </div> <div class="gmail_extra"><br> <div class="gmail_quote">2018-03-26 12:53 GMT+03:00 Matthew Waters <span dir="ltr"><<a href="mailto:ystreet00@gmail.com" target="_blank">ystreet00@gmail.com</a>></span>:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div text="#000000" bgcolor="#FFFFFF"> <div class="m_-6362846790338359075m_-8742474796148668001moz-cite-prefix">Arch may be missing the GBM window system.<br> <br> Check if <br> <br> #define GST_GL_HAVE_WINDOW_GBM 1<br> <br> Is true inside /usr/lib/gstreamer-1.0/gst/gl/<wbr>gstglconfig.h<br> <br> Cheers<br> -Matt <div> <div class="m_-6362846790338359075h5"><br> <br> On 26/03/18 19:45, Alexander Yanin wrote:<br> </div> </div> </div> <div> <div class="m_-6362846790338359075h5"> <blockquote type="cite"> <div dir="ltr"> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Unfortunately, it doesn't work out of the box for me on Arch. Here is the output^</div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br> </div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glcontext gstglcontext.c:337:gst_gl_cont<wbr>ext_new: creating a context for display <gldisplayegl0>, user choice:(null)</font><br> </div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glwindow gstglwindow.c:251:gst_gl_windo<wbr>w_new: creating a window, user choice:gbm<br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glwindow gstglwindow.c:293:gst_gl_windo<wbr>w_new: Could not create window. user specified gbm, creating dummy window<br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glcontext gstglcontext.c:1240:gst_gl_con<wbr>text_create_thread:<glcontexte<wbr>gl23> Attempting to create opengl context. user chosen api(s) (any), compiled api support (opengl opengl3 gles2) display api (opengl opengl3 gles2)<br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glcontext gstglcontext.c:1244:gst_gl_con<wbr>text_create_thread:<glcontexte<wbr>gl23> Failed to create context<br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glcontext gstglcontext.c:1046:gst_gl_con<wbr>text_create:<glcontextegl23> gl thread created<br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glmixer gstglbasemixer.c:176:_get_gl_c<wbr>ontext:<mixer> error: Failed to initialize egl: EGL_NOT_INITIALIZED<br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif"><br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">Did Arch maintainers miss some compile-time flags or have I done something wrong?</font></div> </div> <div class="gmail_extra"><br> <div class="gmail_quote">2018-03-23 15:30 GMT+03:00 Alexander Yanin <span dir="ltr"><<a href="mailto:sashayanin@gmail.com" target="_blank">sashayanin@gmail.com</a>></span>:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div dir="ltr"> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Thank you, Matt. I will try, hope this should work with 1.14</div> </div> <div class="m_-6362846790338359075m_-8742474796148668001HOEnZb"> <div class="m_-6362846790338359075m_-8742474796148668001h5"> <div class="gmail_extra"><br> <div class="gmail_quote">2018-03-23 15:25 GMT+03:00 Matthew Waters <span dir="ltr"><<a href="mailto:ystreet00@gmail.com" target="_blank">ystreet00@gmail.com</a>></span>:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div text="#000000" bgcolor="#FFFFFF"> <div class="m_-6362846790338359075m_-8742474796148668001m_-2593799522323158629m_-1315543994340869812moz-cite-prefix">It should work out of the box if you don't already have an X11/Wayland display server running. It's chosen after X11/Wayland connections fail.<br> <br> You can also force it by setting the environment variable GST_GL_WINDOW=gbm<br> <br> e.g. GST_DEBUG=gl*:4 GST_GL_WINDOW=gbm gst-launch-1.0 videotestsrc ! glupload ! gleffects_squeeze ! glcolorconvert ! gldownload ! pngenc ! filesink location=test.png<br> <br> Cheers<br> -Matt <div> <div class="m_-6362846790338359075m_-8742474796148668001m_-2593799522323158629h5"><br> <br> On 23/03/18 22:57, Alexander Yanin wrote:<br> </div> </div> </div> <div> <div class="m_-6362846790338359075m_-8742474796148668001m_-2593799522323158629h5"> <blockquote type="cite"> <div dir="ltr"> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Thanks! Fine, what I need to do to make it work on Intel Kabylake with Mesa and without neither xorg nor wayland? Would it work right out of the box or should I perform some additional actions to make it run?</div> </div> <div class="gmail_extra"><br> <div class="gmail_quote">2018-03-23 14:50 GMT+03:00 Matthew Waters <span dir="ltr"><<a href="mailto:ystreet00@gmail.com" target="_blank">ystreet00@gmail.com</a>></span>:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div text="#000000" bgcolor="#FFFFFF"> <div class="m_-6362846790338359075m_-8742474796148668001m_-2593799522323158629m_-1315543994340869812m_-6003119710050989387moz-cite-prefix">Accessing the GPU without a windowing system is something that is very specific to every driver/hardware combination. We support (with 1.14) one method using kms and a libgbm compatible driver which are used by all of the Mesa drivers. Some other embedded systems (rpi, imx6) have other ways. That nvidia blog post you've linked contains references to <a href="https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_device_query.txt" target="_blank">EGL_EXT_device_query</a> which I guess is nvidia's way of performing a similar thing and such a method could be added to the GStreamer GL library and plugins.<br> <br> Cheers<br> -Matt <div> <div class="m_-6362846790338359075m_-8742474796148668001m_-2593799522323158629m_-1315543994340869812h5"><br> <br> On 23/03/18 21:10, Alexander Yanin wrote:<br> </div> </div> </div> <blockquote type="cite"> <div> <div class="m_-6362846790338359075m_-8742474796148668001m_-2593799522323158629m_-1315543994340869812h5"> <div dir="ltr"> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Hi!</div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br> </div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Is it possible to use GL elements (like glvideomixer, glupload, gleffects, etc) without anything like Wayland, Xorg, etc? In particular, I want to use glvideomixer instead of compositor on a server without any display attached. I heard about a possible workaround using frame buffer, but I didn't manage to find a way to use glvideomixer without xorg or wayland. It crushes on context initialization.</div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br> </div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Here is the output:</div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br> </div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glmixer gstglbasemixer.c:217:_get_gl_c<wbr>ontext:<mixer> error: Failed to initialize egl: EGL_NOT_INITIALIZED</font><br> </div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glwindow gstglwindow.c:285:gst_gl_windo<wbr>w_new: Could not create window. user specified (null), creating dummy window<br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">glcontext gstglcontext.c:1235:gst_gl_con<wbr>text_create_thread:<glcontexte<wbr>gl48> Failed to create context</font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif"><br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">So, is there a way to bypass this issue without using xorg or wayland? I heard that it is possible to initialize EGL without xorg [1]. Is it possible to use this approach within gl elements?</font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif"><br> </font></div> <div class="gmail_default"><font face="arial, helvetica, sans-serif">[1] - <a href="https://devblogs.nvidia.com/egl-eye-opengl-visualization-without-x-server/" target="_blank">https://devblogs.nvidia.com/<wbr>egl-eye-opengl-visualization-w<wbr>ithout-x-server/</a></font></div> </div> <br> <fieldset class="m_-6362846790338359075m_-8742474796148668001m_-2593799522323158629m_-1315543994340869812m_-6003119710050989387mimeAttachmentHeader"></fieldset> <br> </div> </div> <pre>______________________________<wbr>_________________ gstreamer-devel mailing list <a class="m_-6362846790338359075m_-8742474796148668001m_-2593799522323158629m_-1315543994340869812m_-6003119710050989387moz-txt-link-abbreviated" href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesk<wbr>top.org</a> <a class="m_-6362846790338359075m_-8742474796148668001m_-2593799522323158629m_-1315543994340869812m_-6003119710050989387moz-txt-link-freetext" href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">https://lists.freedesktop.org/<wbr>mailman/listinfo/gstreamer-dev<wbr>el</a> </pre> </blockquote> </div> </blockquote> </div> </div> </blockquote> </div> </div> </div> </blockquote> </div> <br> </div> </div> </div> </blockquote> </div> <br> </div> </blockquote> </div> </div> </div> </blockquote> </div> <br> </div> </blockquote> </div></div></div> </blockquote></div><br></div>