<div dir="ltr"><p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">Hello,<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">I have a Utilite Pro SSD ARM computer with Ubuntu 12.04.LTS.<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">Gstreamer does not display anything using the autovideotest or mfw_v4lsink options in the pipeline, whereas it displays the test video sequence using the ximagesink.<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">gst-launch-0.10 testvideosrc ! ximagesink // this works, I can see the video sequence gst-launch-0.10 testvideosrc ! autovideosink // nothing is displayed gst-launch-0.10 testvideosrc ! mfw_v4lsink // nothing is displayed<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">The last two commands give the following output:<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">MFW_GST_V4LSINK_PLUGIN 3.0.7 build on Nov 20 2013 10:37:11. <p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">Pipeline is PREROLLING ...<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">>> V4L_SINK: Actually buffer status: <p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">hardware buffer : 12 <p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">software buffer : 0 <p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">Pipeline is PREROLLED ... <p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">Setting pipeline to PLAYING ... <p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">full screen size:1920x1080 <p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">[V4L Update Display]: left=0, top=0, width=1920, height=1080 [in red color] <p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">New clock: GstSystemClock<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">but then nothing is displayed!<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">Same thing when i try gstreamer-properties.<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">Thanks!</div>