Separate rate_correction_factor for boosted GFs
Separate rate_correction_factor for boosted GFs

When the golden frame is boosted, the rate correction factor is not
correlated well with other inter frames even in CBR mode. This commit
changes to use GF specific rate_correction_factor when gf_cbr_boost
is greater than 20%.

Change-Id: I6312c1564387bcacc11f4c5e8a9cfdc781b5c3ab

altogother/webm.libvpx,altogother/webm.libvpx,mbebenita/aom,shareefalis/libvpx,iniwf/webm.libvpx,gshORTON/webm.libvpx,luctrudeau/aom,mbebenita/aom,Maria1099/webm.libvpx,ittiamvpx/libvpx-1,openpeer/libvpx_new,shyamalschandra/libvpx,liqianggao/libvpx,thdav/aom,kleopatra999/webm.libvpx,luctrudeau/aom,pcwalton/libvpx,zofuthan/libvpx,kim42083/webm.libvpx,GrokImageCompression/aom,gshORTON/webm.libvpx,ittiamvpx/libvpx-1,ittiamvpx/libvpx-1,altogother/webm.libvpx,Topopiccione/libvpx,goodleixiao/vpx,liqianggao/libvpx,GrokImageCompression/aom,altogother/webm.libvpx,hsueceumd/test_hui,jdm/libvpx,stewnorriss/libvpx,shareefalis/libvpx,kalli123/webm.libvpx,Acidburn0zzz/webm.libvpx,liqianggao/libvpx,jmvalin/aom,matanbs/vp982,smarter/aom,kim42083/webm.libvpx,Laknot/libvpx,VTCSecureLLC/libvpx,matanbs/vp982,Maria1099/webm.libvpx,abwiz0086/webm.libvpx,pcwalton/libvpx,ShiftMediaProject/libvpx,smarter/aom,pcwalton/libvpx,felipebetancur/libvpx,shyamalschandra/libvpx,running770/libvpx,shacklettbp/aom,hsueceumd/test_hui,Topopiccione/libvpx,kalli123/webm.libvpx,Topopiccione/libvpx,jacklicn/webm.libvpx,running770/libvpx,luctrudeau/aom,ittiamvpx/libvpx-1,Maria1099/webm.libvpx,Suvarna1488/webm.libvpx,openpeer/libvpx_new,Distrotech/libvpx,mwgoldsmith/vpx,webmproject/libvpx,charup/https---github.com-webmproject-libvpx-,Acidburn0zzz/webm.libvpx,smarter/aom,Maria1099/webm.libvpx,felipebetancur/libvpx,zofuthan/libvpx,charup/https---github.com-webmproject-libvpx-,openpeer/libvpx_new,Laknot/libvpx,liqianggao/libvpx,Topopiccione/libvpx,matanbs/webm.libvpx,kleopatra999/webm.libvpx,felipebetancur/libvpx,abwiz0086/webm.libvpx,mbebenita/aom,mwgoldsmith/libvpx,running770/libvpx,thdav/aom,matanbs/webm.libvpx,Suvarna1488/webm.libvpx,mwgoldsmith/vpx,thdav/aom,jacklicn/webm.libvpx,jdm/libvpx,webmproject/libvpx,gshORTON/webm.libvpx,lyx2014/libvpx_c,kim42083/webm.libvpx,jmvalin/aom,running770/libvpx,ShiftMediaProject/libvpx,kleopatra999/webm.libvpx,abwiz0086/webm.libvpx,reimaginemedia/webm.libvpx,Suvarna1488/webm.libvpx,matanbs/webm.libvpx,openpeer/libvpx_new,lyx2014/libvpx_c,goodleixiao/vpx,kleopatra999/webm.libvpx,hsueceumd/test_hui,jacklicn/webm.libvpx,shacklettbp/aom,Suvarna1488/webm.libvpx,iniwf/webm.libvpx,ShiftMediaProject/libvpx,mwgoldsmith/vpx,zofuthan/libvpx,webmproject/libvpx,VTCSecureLLC/libvpx,abwiz0086/webm.libvpx,Suvarna1488/webm.libvpx,shyamalschandra/libvpx,gshORTON/webm.libvpx,smarter/aom,thdav/aom,shareefalis/libvpx,shyamalschandra/libvpx,reimaginemedia/webm.libvpx,kim42083/webm.libvpx,reimaginemedia/webm.libvpx,hsueceumd/test_hui,GrokImageCompression/aom,openpeer/libvpx_new,reimaginemedia/webm.libvpx,goodleixiao/vpx,mwgoldsmith/vpx,running770/libvpx,mwgoldsmith/vpx,goodleixiao/vpx,matanbs/vp982,pcwalton/libvpx,reimaginemedia/webm.libvpx,Acidburn0zzz/webm.libvpx,jacklicn/webm.libvpx,stewnorriss/libvpx,iniwf/webm.libvpx,jmvalin/aom,zofuthan/libvpx,matanbs/webm.libvpx,Distrotech/libvpx,liqianggao/libvpx,matanbs/vp982,stewnorriss/libvpx,matanbs/vp982,ShiftMediaProject/libvpx,Distrotech/libvpx,shacklettbp/aom,stewnorriss/libvpx,Acidburn0zzz/webm.libvpx,GrokImageCompression/aom,Acidburn0zzz/webm.libvpx,abwiz0086/webm.libvpx,GrokImageCompression/aom,jacklicn/webm.libvpx,shyamalschandra/libvpx,mwgoldsmith/libvpx,Distrotech/libvpx,kleopatra999/webm.libvpx,shacklettbp/aom,pcwalton/libvpx,shareefalis/libvpx,kalli123/webm.libvpx,mwgoldsmith/libvpx,Maria1099/webm.libvpx,lyx2014/libvpx_c,matanbs/webm.libvpx,lyx2014/libvpx_c,VTCSecureLLC/libvpx,lyx2014/libvpx_c,felipebetancur/libvpx,liqianggao/libvpx,matanbs/vp982,shyamalschandra/libvpx,Acidburn0zzz/webm.libvpx,jmvalin/aom,zofuthan/libvpx,jdm/libvpx,webmproject/libvpx,luctrudeau/aom,felipebetancur/libvpx,matanbs/vp982,shacklettbp/aom,iniwf/webm.libvpx,kalli123/webm.libvpx,zofuthan/libvpx,mbebenita/aom,webmproject/libvpx,abwiz0086/webm.libvpx,charup/https---github.com-webmproject-libvpx-,reimaginemedia/webm.libvpx,mbebenita/aom,VTCSecureLLC/libvpx,Laknot/libvpx,Topopiccione/libvpx,Laknot/libvpx,lyx2014/libvpx_c,charup/https---github.com-webmproject-libvpx-,altogother/webm.libvpx,jmvalin/aom,hsueceumd/test_hui,Suvarna1488/webm.libvpx,felipebetancur/libvpx,Topopiccione/libvpx,pcwalton/libvpx,mwgoldsmith/libvpx,VTCSecureLLC/libvpx,matanbs/webm.libvpx,mbebenita/aom,Distrotech/libvpx,mwgoldsmith/libvpx,ittiamvpx/libvpx-1,jacklicn/webm.libvpx,charup/https---github.com-webmproject-libvpx-,goodleixiao/vpx,Laknot/libvpx,webmproject/libvpx,running770/libvpx,stewnorriss/libvpx,GrokImageCompression/aom,smarter/aom,jmvalin/aom,luctrudeau/aom,mbebenita/aom,shareefalis/libvpx,shacklettbp/aom,goodleixiao/vpx,jdm/libvpx,openpeer/libvpx_new,kalli123/webm.libvpx,mbebenita/aom,kim42083/webm.libvpx,gshORTON/webm.libvpx,kalli123/webm.libvpx,VTCSecureLLC/libvpx,jdm/libvpx,altogother/webm.libvpx,Distrotech/libvpx,mbebenita/aom,Laknot/libvpx,Maria1099/webm.libvpx,iniwf/webm.libvpx,ittiamvpx/libvpx-1,gshORTON/webm.libvpx,kleopatra999/webm.libvpx,smarter/aom,iniwf/webm.libvpx,thdav/aom,stewnorriss/libvpx,mwgoldsmith/libvpx,mwg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