basesink: use CAPS event instead of setcaps function
basesink: use CAPS event instead of setcaps function

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