<html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> Hello gstreamer Pros! we need help to finish migration of a Digital Signage application on basis of gstreamer(-vaapi) 1.16.x (using the handoff signal in vaapisink) and info-beamer (<a _ngcontent-c33="" class="LinkElement ng-star-inserted" rel="noopener" target="_blank" href="https://www.freelancer.com/users/l.php?url=https:%2F%2Finfo-beamer.com%2Fopensource&sig=44f535376934e69aedcc07f760c3849a64a41826aeba3b71ba90d34e35572fbb"> <div _ngcontent-c33="" class="LinkInner ng-star-inserted" data-icon="false" data-icon-position="left"> <div _ngcontent-c33="" class="LinkText">https://info-beamer.com/opensource</div> </div> </a>). Until now we were using (cheap) AMD devices where we use glx-pixmaps for surface sharing between gstreamer and info-beamer which works quite perfect (no mem copy at all). Now we have to switch to INTEL devices as there are no cheap (and compatible with the former open souce driver) AMD devices and now we are expiriencing framedrop issues in surface sharing between gstreamer(-vaapi) and info-beamer on INTEL ATOM Z8300 devices (which should be a lot faster than the AMD E-350 we have been using before). As I said before we use glx-pixmaps for surface sharing which works perfect on AMD-GPUs. But now there seems to be a lot of in mem copy which couses a lot of framedrops. In short our issues are now: 1) Opening EGL Context fails 2) Using EGLImages, wrapping the texture, and thus no memcopy should be required The tasks are: 1) use EGL (Fix issue opening EGL Context) (done: 75%) 2) change code to use a pipeline like this: (done: 50%) playbin video-sink="glupload ! appsink => code will use the appsink API to fetch the decoded video frames with GLMemory, which it will contain a texture that one can render. By using EGL vaapi it will export dmabuf-based buffers, those buffers should be imported as EGLImages, wrapped the texture, and thus no memcopy should be required. Right now we have some issues opening EGL-Context and code has to be migrated to use EGLImages instead of GLImages. I believe that it will not be complicated as everything here is already done, all we need is to check the methods used so far, find and fix the cause of the issue and maybe re-modify a couple of (sink?) functions. You'll get full access to required project sources (via subversion) and should be able to compile/run the project. Target plattform is Ubuntu 18.04.x on INTEL Atom devices - but any other INTEL integrated GFX should be OK for developing. Final tests will be done internal. If you want your bid to be taken for serious, send me a message describing your knowledge of Gstreamer and pipelines for simple displaying HD playback (via EGL). Required is an GStreamer Expert knowing also a little about LUA-Language as info-beamer is a LUA-Based Application using GStreamer for Video-Playback. For any questions, fell free to contact me any time. Please contact me via E-Mail: <a class="moz-txt-link-abbreviated" href="mailto:s.stelmasik@it-websolutions.com" moz-do-not-send="true">s.stelmasik@it-websolutions.com</a> to discuss the details. Thanks a lot in advance! Sebastian Stelmasik <pre class="moz-signature" cols="72">-- IT- & Websolutions Stelmasik Dipl. Informatiker Sebastian Stelmasik Naatlandstr. 2 45143 Essen Phone: +49-201-6177151 Fax: +49-201-6177152 Mobile: +49-172-2415963 --- Die Information in dieser e-mail ist vertraulich und exklusiv fuer den Adressatenkreis bestimmt. Weiterleitung oder Kopieren, auch auszugsweise, darf nur mit ausdruecklicher Einwilligung von IT- & Websolutions Stelmasik erfolgen. In jedem Fall ist sicherzustellen, dass keinerlei inhaltliche Veraenderungen erfolgen. IT- & Websolutions Stelmasik uebernimmt keine Haftung fuer die Richtigkeit der Information in dieser e-mail noch fuer Handlungen, die auf ihrer Grundlage erfolgen. The information provided in this e-mail is confidential and is for the sole use of the recipient. It may not be disclosed, copied or distributed in any form without the obtained permission of IT- & Websolutions Stelmasik and to the extent that it is passed on care must be taken to ensure that this is in a form which accurately reflects the information presented here. No responsibility can be accepted by IT- & Websolutions Stelmasik for the correctness of the information provided in this e-mail nor for any action on its basis. </pre> </body> </html>