manual: add more stuff about probes
manual: add more stuff about probes

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