<br><br><div class="gmail_quote">2009/8/26 Miquel Àngel Farré <span dir="ltr"><<a href="mailto:miquel.farre@gmail.com">miquel.farre@gmail.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Hi Tristan,<br><br>It is not in the same thread, so I will use the appsink as you said.</blockquote><div>But this is the same process right ? <br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <br><br>The problem is that I want to draw the ouput of mpeg2dec, it is yuv-raw, I wonder if it is possible to convert it to rgb to make it easier generate a texture.<br> <br>Thanks for your contribution,<br><br>Miquel<br><br><div class="gmail_quote">2009/8/26 Tristan Matthews <span dir="ltr"><<a href="mailto:tristan@sat.qc.ca" target="_blank">tristan@sat.qc.ca</a>></span><div><div> </div><div class="h5"><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Hi,<br> <div><br> Florent wrote:<br> >> I would like to obtain video from a stream and send it to my openGL based<br> >> application, and draw the frames there.<br> >><br> </div>Would your application be in the same process as your gstreamer<br> pipeline? If not, you won't be able to share gl contexts if you're using<br> direct rendering. From<br> <a href="http://www.opengl.org/sdk/docs/man/xhtml/glXCreateNewContext.xml" target="_blank">http://www.opengl.org/sdk/docs/man/xhtml/glXCreateNewContext.xml</a>:<br> <br> .... direct-rendering contexts cannot be shared outside a<br> single process,<br> and they may be unable to render to GLX pixmaps.<br> <br> If you don't want it in the same process, you could use appsink, pass<br> the buffers to some shared memory and in your GL process upload these<br> buffers to GL textures.<br> <br> Sorry if this is an aside, I've been working on something similar so I<br> thought I would pass the information along.<br> <br> Best,<br> <br> Tristan<br> <div><div></div><div><br> >> My idea is use glupload to obtain openGL textures and then load these into<br> >> the application through appsink.<br> >><br> ><br> > You won't need any gl-based stuff if you use appsink, because it will<br> > pass raw buffers in memory.<br> ><br> ><br> >> * Question: there is a better way to pass the textures to my app instead of<br> >> appsink ?<br> >><br> ><br> > You can, however share the openGL context between glimagesink and your<br> > application so that you don't need to upload frames manually. See<br> > tests/examples/clutter/cluttershare as example.<br> ><br> ><br> >> * Question: what glupload ! glimagesink do?<br> >><br> ><br> > glimagesink uses glupload internally, so you don't need it for using<br> > glimagesink. You need glupload only if you want to filter the frames<br> > using opengl (ex: glupload ! gleffects effect=2 ! glimagesink)<br> ><br> > Florent<br> ><br> > ------------------------------------------------------------------------------<br> > Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day<br> > trial. Simplify your report design, integration and deployment - and focus on<br> > what you do best, core application coding. Discover what's new with<br> > Crystal Reports now. <a href="http://p.sf.net/sfu/bobj-july" target="_blank">http://p.sf.net/sfu/bobj-july</a><br> > _______________________________________________<br> > gstreamer-devel mailing list<br> > <a href="mailto:gstreamer-devel@lists.sourceforge.net" target="_blank">gstreamer-devel@lists.sourceforge.net</a><br> > <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a><br> ><br> ><br> <br> <br> </div></div><font color="#888888">--<br> Tristan Matthews<br> Société des arts technologiques [SAT]<br> email: <a href="mailto:tristan@sat.qc.ca" target="_blank">tristan@sat.qc.ca</a><br> web: <a href="http://www.music.mcgill.ca/%7Etmatthews" target="_blank">http://www.music.mcgill.ca/~tmatthews</a><br> </font><div><div></div><div><br> <br> ------------------------------------------------------------------------------<br> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day<br> trial. Simplify your report design, integration and deployment - and focus on<br> what you do best, core application coding. Discover what's new with<br> Crystal Reports now. <a href="http://p.sf.net/sfu/bobj-july" target="_blank">http://p.sf.net/sfu/bobj-july</a><br> _______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.sourceforge.net" target="_blank">gstreamer-devel@lists.sourceforge.net</a><br> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a><br> </div></div></blockquote></div></div></div><br> <br>------------------------------------------------------------------------------<br> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day<br> trial. Simplify your report design, integration and deployment - and focus on<br> what you do best, core application coding. Discover what's new with<br> Crystal Reports now. <a href="http://p.sf.net/sfu/bobj-july" target="_blank">http://p.sf.net/sfu/bobj-july</a><br>_______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a><br> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a><br> <br></blockquote></div><br>