<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:v = "urn:schemas-microsoft-com:vml" xmlns:o = "urn:schemas-microsoft-com:office:office" xmlns:w = "urn:schemas-microsoft-com:office:word" xmlns:m = "http://schemas.microsoft.com/office/2004/12/omml"><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.2900.3492" name=GENERATOR> <STYLE>@font-face { font-family: Cambria Math; } @font-face { font-family: Calibri; } @font-face { font-family: Tahoma; } @page Section1 {size: 612.0pt 792.0pt; margin: 72.0pt 72.0pt 72.0pt 72.0pt; } P.MsoNormal { FONT-SIZE: 11pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Calibri","sans-serif" } LI.MsoNormal { FONT-SIZE: 11pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Calibri","sans-serif" } DIV.MsoNormal { FONT-SIZE: 11pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Calibri","sans-serif" } A:link { COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99 } SPAN.MsoHyperlink { COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99 } A:visited { COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99 } SPAN.MsoHyperlinkFollowed { COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99 } P.MsoAcetate { FONT-SIZE: 8pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Tahoma","sans-serif"; mso-style-priority: 99; mso-style-link: "Balloon Text Char" } LI.MsoAcetate { FONT-SIZE: 8pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Tahoma","sans-serif"; mso-style-priority: 99; mso-style-link: "Balloon Text Char" } DIV.MsoAcetate { FONT-SIZE: 8pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Tahoma","sans-serif"; mso-style-priority: 99; mso-style-link: "Balloon Text Char" } SPAN.EmailStyle17 { FONT-WEIGHT: normal; COLOR: windowtext; FONT-STYLE: normal; FONT-FAMILY: "Arial","sans-serif"; mso-style-type: personal-compose } SPAN.BalloonTextChar { FONT-FAMILY: "Tahoma","sans-serif"; mso-style-priority: 99; mso-style-link: "Balloon Text"; mso-style-name: "Balloon Text Char" } .MsoChpDefault { mso-style-type: export-only } DIV.Section1 { page: Section1 } </STYLE> </HEAD> <BODY lang=EN-GB vLink=purple link=blue> <DIV dir=ltr align=left>do you add libgstbase.so as your sink lib dependency?</DIV> <DIV dir=ltr align=left> </DIV> <DIV dir=ltr align=left>Zhao Liang </DIV> <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left> <HR tabIndex=-1> From: Daniel James Laird [mailto:daniel.j.laird@nxp.com] Sent: Tuesday, February 03, 2009 6:07 PM To: gstreamer-devel@lists.sourceforge.net Cc: gstreamer-embedded@lists.sourceforge.net Subject: [gst-embedded] My First Plugin - Help please </DIV> <DIV></DIV> <DIV class=Section1> I am trying to write my first video sink plugin.<o:p></o:p> <o:p> </o:p> I have read the manual and used the autogenerate tool to generate my component. (MyFramedVideo)<o:p></o:p> <o:p> </o:p> I have created a class that use GST_BOILERPLATE and extends GST_TYPE_VIDEO_SINK.<o:p></o:p> <o:p> </o:p> The plugin builds and installs onto my devices rootfs.<o:p></o:p> I then run gst-inspect and I keep getting the same error:<o:p></o:p> ****<o:p></o:p> (gst-inspect-0.10:535): GStreamer-WARNING **: Failed to load plugin '/usr/lib/gstreamer-0.10/libgstMyFramedVideo.so': /usr/lib/gstreamer-0.10/libgstMyFramedVideo.so: undefined symbol: gst_base_sink_get_type<o:p></o:p> ****<o:p></o:p> <o:p> </o:p> What am I doing wrong? I have looked at a great many other plugins and make files and I do not seem very different!! I can see that this symbol is in gstcoreelements.so but no one else seems to need to add -lgstcorelements.  Also If I try this it all builds and this error never appears but gst-inspect just hangs.<o:p></o:p> <o:p> </o:p> Really hope someone can help<o:p></o:p> Many thanks<o:p></o:p> Daniel Laird<o:p></o:p></DIV></BODY></HTML>