<html> <head> <meta content="text/html; charset=ISO-8859-15" http-equiv="Content-Type"> </head> <body text="#000000" bgcolor="#FFFFFF"> <div class="moz-cite-prefix">Nothing to do with this command, only Internal data flow error :( Output: <a href="http://pastebin.com/yZ0m6eEZ">http://pastebin.com/yZ0m6eEZ</a> The driver that i'm using is latest v4l2loopback. <blockquote type="cite"> <pre style="white-space: pre-wrap; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Hi Fabio, > On first, thanks for your help. > And yes, with your command work without errors. > > You can see the complete output here: <a href="http://pastebin.com/NhirMfr9">http://pastebin.com/NhirMfr9</a> > > So, is the problem of decodebin ? Not necessarily. I suspect the problem is that whatever decoder decodebin plugs internally outputs a video format that v4l2sink doesn't accept (with your specific driver/hardware anyway). You could try ... ! decodebin ! videoconvert ! videoscale ! v4l2sink Cheers -Tim</pre> </blockquote> </div> </body> </html>