<div dir="ltr">While its true that the xvimagesink only supports YUV formats, you'll note that I have a videoconvert in that pipeline, so if videobox would only ASK for a YUV format for input, it would get one. But it doesn't... </div><div class="gmail_extra"> <div class="gmail_quote">On Mon, Feb 24, 2014 at 4:45 PM, Tim Müller <<a href="mailto:tim@centricular.com" target="_blank">tim@centricular.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Mon, 2014-02-24 at 16:19 -0500, Stirling Westrup wrote: Hi, <div class=""> > The thing to note is that I have an element that can only output about > half-a-dozen RGB based formats, and videobox, despite claiming to > support them, doesn't seem to: > > $ gst-launch-1.0 videotestsrc ! > "video/x-raw,format={BGRx,BGRA,RGB,RGB16,RGB15}" ! videoconvert ! > videobox ! xvimagesink display=:2 > Setting pipeline to PAUSED ... > Pipeline is PREROLLING ... > ERROR: from > element /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0: Internal > data flow error. > Additional debug info: > gstbasesrc.c(2865): gst_base_src_loop > (): /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0: > streaming task paused, reason not-negotiated (-4) > ERROR: pipeline doesn't want to preroll. > Setting pipeline to NULL ... > Freeing pipeline ... > $ > The intent of the above command line is to take the RGB output from my > element, convert it to a movie format supported by my sink, and have > videobox crop it before display. For some reason, its just not > managing to negotiate a working pipeline, despite all of the sink and > source templates looking good. </div>Most likely xvimagesink only accepts YUV formats in practice (or xvimagesink only supports those, we disabled the RGB ones at some point iirc). xvinfo should show you what's supported. Cheers -Tim -- Tim Müller, Centricular Ltd - <a href="http://www.centricular.com" target="_blank">http://www.centricular.com</a> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote></div> -- Stirling Westrup Programmer, Entrepreneur. <a href="https://www.linkedin.com/e/fpf/77228" target="_blank">https://www.linkedin.com/e/fpf/77228</a> <a href="http://www.linkedin.com/in/swestrup" target="_blank">http://www.linkedin.com/in/swestrup</a> <a href="http://technaut.livejournal.com" target="_blank">http://technaut.livejournal.com</a> <a href="http://sourceforge.net/users/stirlingwestrup" target="_blank">http://sourceforge.net/users/stirlingwestrup</a> </div>