doc: doxygen support for VideoEncoderInterface.h
doc: doxygen support for VideoEncoderInterface.h

mdnavare/libyami,luokunrock/libyami,chivakker/libyami,sbianti/libyami,pombreda/libyami,halleyzhao/libyami,changzhix/libyami-1,luokunrock/libyami,TangXinT/libyami,pombreda/libyami,andyLiuChina/libyami,lubing521/libyami,01org/libyami,clearlylin/libyami,bluceldg/libyami,wlin70/libyami,lubing521/libyami,edgar1992/libyami,mdnavare/libyami,tiagovignatti/libyami,dhutching/libyami,zhongcong/libyami,pinxiong/libyami,skibey/libyami,YuJiankang/libyami,andyLiuChina/libyami,xuguangxin/libyami,UIKit0/libyami,BtbN/libyami,01org/libyami,zhongcong/gst-omx,stripes416/libyami,halleyzhao/libyami,YuJiankang/libyami,chivakker/libyami,xuguangxin/libyami,pinxiong/libyami,lizhong1008/libyami,lizhong1008/libyami,changzhix/libyami-1,ratin3/libyami,skibey/libyami,bluceldg/libyami,edgar1992/libyami,pombreda/libyami,bluceldg/libyami,chivakker/libyami,andyLiuChina/libyami,zhaobob/libyami,halleyzhao/libyami,zhaobob/libyami,andyLiuChina/libyami,sbianti/libyami,lubing521/libyami,luokunrock/libyami,dhutching/libyami,ratin3/libyami,dspmeng/libyami,clearlylin/libyami,mdnavare/libyami,xuguangxin/libyami,tiagovignatti/libyami,pombreda/libyami,yizhouwei/libyami,lizhong1008/libyami,TangXinT/libyami,BtbN/libyami,luokunrock/libyami,halleyzhao/libyami,tiagovignatti/libyami,pinxiong/libyami,YuJiankang/libyami,zhaobob/libyami,dhutching/libyami,mdnavare/libyami,dspmeng/libyami,uartie/libyami,TangXinT/libyami,sbianti/libyami,edgar1992/libyami,ratin3/libyami,wlin70/libyami,yizhouwei/libyami,01org/libyami,bluceldg/libyami,seanvk/libyami,changzhix/libyami-1,uartie/libyami,seanvk/libyami,dspmeng/libyami,yizhouwei/libyami,wlin70/libyami,BtbN/libyami,wlin70/libyami,xuguangxin/libyami,clearlylin/libyami,zhongcong/libyami,skibey/libyami,stripes416/libyami,zhongcong/libyami,uartie/libyami,ratin3/libyami,seanvk/libyami,stripes416/libyami,zhongcong/gst-omx,zhongcong/gst-omx,UIKit0/libyami,zhongcong/libyami,BtbN/libyami,sbianti/libyami,UIKit0/libyami