caps: comment and whitespace cleanup
caps: comment and whitespace cleanup

Make comment more specific, reposition it and add more of the kind.
Move one ifdef'ed function around.

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