The gstreamer mailing list is likely a better place. I've found folks on irc #gstreamer very helpful in the past,
Chris On Mon, 09 Apr 2012 16:12:46 +0800 zengshan <[email protected]> wrote: > Hi all, > I use a video conventer to convert AV to VGA, and connect it to > VGA2USB device, but when I run the following command: gst-launch -e > v4lsrc device=/dev/video1 ! ffenc_mpeg2video ! mpegpsmux ! filesink > location=test1.mpg I got: Setting pipeline to PAUSED ... > Pipeline is live and does not need PREROLL ... > ERROR: from element /GstPipeline:pipeline0/GstV4lSrc:v4lsrc0: Could > not synchronize on resource. Additional debug info: > v4lsrc_calls.c(489): gst_v4lsrc_try_capture > (): /GstPipeline:pipeline0/GstV4lSrc:v4lsrc0: system error: Wrong > medium type ERROR: pipeline doesn't want to preroll. > Setting pipeline to PAUSED ... > Setting pipeline to READY ... > Setting pipeline to NULL ... > Freeing pipeline ... > > 2012-04-09 > > > > ZENG SHAN > Tel,861088236837 > E-mail,[email protected] > Computing Center > Institute of High Energy Physics,CAS -- Christopher Brooks, BSc, MSc ARIES Laboratory, University of Saskatchewan Web: http://www.cs.usask.ca/~cab938 Phone: 1.306.966.1442 Mail: Advanced Research in Intelligent Educational Systems Laboratory Department of Computer Science University of Saskatchewan 176 Thorvaldson Building 110 Science Place Saskatoon, SK S7N 5C9 _______________________________________________ Matterhorn-users mailing list [email protected] http://lists.opencastproject.org/mailman/listinfo/matterhorn-users
