basesink: use more correct segment methods
basesink: use more correct segment methods

Use the more correct new segment methods for updating the segment before and
after a step.

mrchapp/gstreamer,drothlis/gstreamer,surround-io/gstreamer,StreamUtils/gstreamer,mrchapp/gstreamer,jpxiong/gstreamer,Distrotech/gstreamer,magcius/gstreamer,ylatuya/gstreamer,jpakkane/gstreamer,centricular/gstreamer,Lachann/gstreamer,cfoch/gstreamer,justinjoy/gstreamer,shelsonjava/gstreamer,collects/gstreamer,ahmedammar/platform_external_gst_gstreamer,jpakkane/gstreamer,ahmedammar/platform_external_gst_gstreamer,Lachann/gstreamer,lubosz/gstreamer,mrchapp/gstreamer,lubosz/gstreamer,justinjoy/gstreamer,cablelabs/gstreamer,mparis/gstreamer,cfoch/gstreamer,ylatuya/gstreamer,shelsonjava/gstreamer,krieger-od/gstreamer,jpxiong/gstreamer,lubosz/gstreamer,mrchapp/gstreamer,drothlis/gstreamer,jpxiong/gstreamer,cfoch/gstreamer,krieger-od/gstreamer,Lachann/gstreamer,collects/gstreamer,ahmedammar/platform_external_gst_gstreamer,centricular/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,lovebug356/gstreamer,collects/gstreamer,Distrotech/gstreamer,Distrotech/gstreamer,lovebug356/gstreamer,shelsonjava/gstreamer,Lachann/gstreamer,cfoch/gstreamer,ylatuya/gstreamer,mparis/gstreamer,mrchapp/gstreamer,krieger-od/gstreamer,lovebug356/gstreamer,drothlis/gstreamer,lovebug356/gstreamer,jpxiong/gstreamer,cablelabs/gstreamer,Distrotech/gstreamer,ensonic/gstreamer,jpakkane/gstreamer,jpxiong/gstreamer,ahmedammar/platform_external_gst_gstreamer,magcius/gstreamer,magcius/gstreamer,justinjoy/gstreamer,krichter722/gstreamer,krichter722/gstreamer,lubosz/gstreamer,surround-io/gstreamer,krieger-od/gstreamer,lovebug356/gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,ensonic/gstreamer,ylatuya/gstreamer,StreamUtils/gstreamer,ensonic/gstreamer,centricular/gstreamer,krieger-od/gstreamer,collects/gstreamer,Lachann/gstreamer,justinjoy/gstreamer,jpakkane/gstreamer,surround-io/gstreamer,mparis/gstreamer,StreamUtils/gstreamer,cablelabs/gstreamer,centricular/gstreamer,surround-io/gstreamer,drothlis/gstreamer,collects/gstreamer,StreamUtils/gstreamer,ensonic/gstreamer,magcius/gstreamer,ylatuya/gstreamer,krichter722/gstreamer,ensonic/gstreamer,krichter722/gstreamer,cablelabs/gstreamer,justinjoy/gstreamer,shelsonjava/gstreamer,cablelabs/gstreamer,ahmedammar/platform_external_gst_gstreamer,cfoch/gstreamer,magcius/gstreamer,Distrotech/gstreamer,krichter722/gstreamer,mparis/gstreamer,surround-io/gstreamer,jpakkane/gstreamer,drothlis/gstreamer,centricular/gstreamer