<div class="gmail_quote">On Tue, May 18, 2010 at 4:57 PM, wl2776 <<a href="mailto:wl2776@gmail.com">wl2776@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> I have these statements: GstFormat fmt=GST_FORMAT_TIME; gint m_direction=1; gdouble rate; gint64 start=-1,stop=-1; GST_DEBUG("current segment: rate %lf fmt %d start %d stop %d direction %d", rate,fmt,start,stop,m_direction); GST_DEBUG("m_direction=%d",m_direction); </blockquote><div> I may be wrong, but at a first glance I'd suggest you to cross check your first format with: <a href="http://linux.die.net/man/3/printf">http://linux.die.net/man/3/printf</a> especially the "ell" and "ell ell" notations. Regards. </div></div>