Thanks Mike, that explains why I can't find this function in certain cases. Is there a general guide line as to when I should implement my own get_type() function? Feng -----Original Message----- From: mlrsmith at gmail.com [mailto:mlrsmith at gmail.com] On Behalf Of Michael Smith Sent: Monday, September 13, 2010 5:08 PM To: Feng Ye Cc: gstreamer-embedded at lists.sourceforge.net Subject: Re: what is the GstType that's passed to the gst_element_register() call for plugin_init? On Mon, Sep 13, 2010 at 4:51 PM, Feng Ye <fye at broadcom.com> wrote: > Hello there, > > > > I am doing my plugin and I have a question regarding the last parameter in > the gst_element_register() call, which is the GstType. > > In the base plugin package, I see normally it's defined in the header file > to a function, but for some? plugins this function is there in the package, > for others it's not. In most plugins, the get_type() function is provided by the GST_BOILERPLATE or GST_BOILERPLATE_FULL macros. Mike