Hi, libav version 54.34 that is currently shipped on Ubuntu does not define "encode", but only "encode2". Patch attached. Best regards, --- Dennis Guse -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20140529/1169630d/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: libav.patch Type: text/x-patch Size: 512 bytes Desc: not available URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20140529/1169630d/attachment.patch>