baseparse: Send NEWSEGMENT event with correct start and position
baseparse: Send NEWSEGMENT event with correct start and position

Instead of taking the last stop (which could be buffer endtime instead
of starttime) always take the buffer starttime.

Fixes bug #614016.

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