caps: use g_value_take_string() and gst_value_get_caps() instead of accessing internal fields
caps: use g_value_take_string() and gst_value_get_caps() instead of accessing internal fields

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