element: improve debug
element: improve debug

surround-io/gstreamer,jpxiong/gstreamer,jpakkane/gstreamer,shelsonjava/gstreamer,collects/gstreamer,Lachann/gstreamer,cablelabs/gstreamer,Lachann/gstreamer,cfoch/gstreamer,lubosz/gstreamer,krichter722/gstreamer,krieger-od/gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,StreamUtils/gstreamer,StreamUtils/gstreamer,krieger-od/gstreamer,surround-io/gstreamer,lovebug356/gstreamer,centricular/gstreamer,krieger-od/gstreamer,krichter722/gstreamer,centricular/gstreamer,jpakkane/gstreamer,centricular/gstreamer,justinjoy/gstreamer,jpakkane/gstreamer,StreamUtils/gstreamer,centricular/gstreamer,cablelabs/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,cfoch/gstreamer,ensonic/gstreamer,centricular/gstreamer,jpxiong/gstreamer,krieger-od/gstreamer,ensonic/gstreamer,shelsonjava/gstreamer,justinjoy/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,cablelabs/gstreamer,collects/gstreamer,ensonic/gstreamer,lubosz/gstreamer,justinjoy/gstreamer,krichter722/gstreamer,lovebug356/gstreamer,lovebug356/gstreamer,lubosz/gstreamer,jpakkane/gstreamer,cablelabs/gstreamer,mparis/gstreamer,jpxiong/gstreamer,surround-io/gstreamer,Lachann/gstreamer,lovebug356/gstreamer,krichter722/gstreamer,krieger-od/gstreamer,mparis/gstreamer,ensonic/gstreamer,surround-io/gstreamer,lubosz/gstreamer,Lachann/gstreamer,shelsonjava/gstreamer,cfoch/gstreamer,collects/gstreamer,justinjoy/gstreamer,krichter722/gstreamer,shelsonjava/gstreamer,mparis/gstreamer,Lachann/gstreamer,collects/gstreamer,cfoch/gstreamer,collects/gstreamer,StreamUtils/gstreamer,cfoch/gstreamer,mparis/gstreamer,mparis/gstreamer,lovebug356/gstreamer,surround-io/gstreamer,jpxiong/gstreamer,jpxiong/gstreamer,cablelabs/gstreamer