value: Add support for parsing short fourccs from strings
value: Add support for parsing short fourccs from strings

For example "Y16 " and "Y8  ".

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