2010/3/5 Tristan Matthews <span dir="ltr"><<a href="mailto:tristan@sat.qc.ca">tristan@sat.qc.ca</a>></span><br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="gmail_quote"><div><br>I've reproduced the bug with dc1394src. It seems to be with glfilterglass, this line has no problems:<br>gst-launch -v dc1394src ! ffmpegcolorspace ! glupload ! glfiltercube ! glimagesink<br> whereas this suffers from the same behaviour that alexandre describes<br>gst-launch -v dc1394src ! ffmpegcolorspace ! glupload ! glfiltercube ! glimagesink<br><br></div></div></blockquote><div><br>Typo in the last email, the second line should say glfilterglass. Here's my glxinfo:<br> <a href="http://pastebin.com/8CJCz22t">http://pastebin.com/8CJCz22t</a><br><br> </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="gmail_quote"> <div> </div><div><div></div><div class="h5"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="gmail_quote"><div><div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Here is the command I have issued. The first time, it was without the<br> glfilterglass element.<br> <br> $ gst-launch -v v4l2src ! video/x-raw-yuv, format=$fourcc$I420,<br> framerate=$fraction$25/1, width=640, height=480 ! ffmpegcolorspace !<br> glupload ! glfilterglass ! glimagesink<br> <br> I am not sure about how to read the actual frame rate, though. Any hint?<br> <br> Thanks,<br> Alex<br> <div><div></div><div><br> <br> > Julien<br> ><br> > 2010/3/3 Alexandre Quessy <<a href="mailto:alexandre@quessy.net" target="_blank">alexandre@quessy.net</a>><br> ><br> >> Hello everyone,<br> >> I have worked on a prototype of a pipeline that uploads a live video<br> >> feed to an OpenGL texture and shares it with a context in SDL,<br> >> starting from the tests/examples/sdlshare.c file in gst-plugins-gl.<br> >> The source code can be found at<br> >> <a href="http://bitbucket.org/aalex/toonloop1/src/tip/src/sdlshare.cpp" target="_blank">http://bitbucket.org/aalex/toonloop1/src/tip/src/sdlshare.cpp</a> and can<br> >> be compiled with the autotools.<br> >> (./autogen.sh && ./configure && make)<br> >><br> >> It seems like the mesured framerate is consistently pretty slow. I get<br> >> an average of 12 FPS on a Dual 2.2 GHz with the latest Ubuntu and a<br> >> decent Nvidia graphic card. I obtained 30 FPS on a faster machine with<br> >> a better V4L2-supported video capture card.<br> >><br> >> Does someone have suggestions on how I could overcome this ? I would<br> >> also prefer to have a framerate that's faster than the capture card's.<br> >> 29.97 FPS is what NTSC gives me, whereas most projectors and monitors<br> >> can do up to 60 FPS. I have tried to set the "sync" property of the<br> >> fakesink element to FALSE, or TRUE, without success. Any other hint ?<br> >><br> >> --<br> >> Alexandre Quessy<br> >> <a href="http://alexandre.quessy.net/" target="_blank">http://alexandre.quessy.net/</a><br> >><br> >><br> >> ------------------------------------------------------------------------------<br> >> Download Intel&#174; Parallel Studio Eval<br> >> Try the new software tools for yourself. Speed compiling, find bugs<br> >> proactively, and fine-tune applications for parallel performance.<br> >> See why Intel Parallel Studio got high marks during beta.<br> >> <a href="http://p.sf.net/sfu/intel-sw-dev" target="_blank">http://p.sf.net/sfu/intel-sw-dev</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> </div></div>> ------------------------------------------------------------------------<br> <div><div></div><div>><br> > ------------------------------------------------------------------------------<br> > Download Intel&#174; Parallel Studio Eval<br> > Try the new software tools for yourself. Speed compiling, find bugs<br> > proactively, and fine-tune applications for parallel performance.<br> > See why Intel Parallel Studio got high marks during beta.<br> > <a href="http://p.sf.net/sfu/intel-sw-dev" target="_blank">http://p.sf.net/sfu/intel-sw-dev</a><br> ><br> ><br> > ------------------------------------------------------------------------<br> ><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> Download Intel&#174; Parallel Studio Eval<br> Try the new software tools for yourself. Speed compiling, find bugs<br> proactively, and fine-tune applications for parallel performance.<br> See why Intel Parallel Studio got high marks during beta.<br> <a href="http://p.sf.net/sfu/intel-sw-dev" target="_blank">http://p.sf.net/sfu/intel-sw-dev</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> Download Intel&#174; Parallel Studio Eval<br> Try the new software tools for yourself. Speed compiling, find bugs<br> proactively, and fine-tune applications for parallel performance.<br> See why Intel Parallel Studio got high marks during beta.<br> <a href="http://p.sf.net/sfu/intel-sw-dev" target="_blank">http://p.sf.net/sfu/intel-sw-dev</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></blockquote></div></div></div><font color="#888888"><br><br clear="all"><br>-- <br>Tristan Matthews<br>email: <a href="mailto:tristan@sat.qc.ca" target="_blank">tristan@sat.qc.ca</a><br>web: <a href="http://tristanswork.blogspot.com" target="_blank">http://tristanswork.blogspot.com</a><br> </font></blockquote></div><br><br clear="all"><br>-- <br>Tristan Matthews<br>email: <a href="mailto:tristan@sat.qc.ca">tristan@sat.qc.ca</a><br>web: <a href="http://tristanswork.blogspot.com">http://tristanswork.blogspot.com</a><br>