deinit: add progress type class unref
deinit: add progress type class unref

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