basesrc: Move variable and assignment to where it's needed
basesrc: Move variable and assignment to where it's needed

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