h264enc: add setParameters support for framerate/bitrate
h264enc: add setParameters support for framerate/bitrate

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