Consider 8x8 variances in block switching decision for 16x16 and 32x32.
Consider 8x8 variances in block switching decision for 16x16 and 32x32.

Also we now use actual 2D coding gain values computed on real images.

nvoron23/daala,ekr/daala,tribouille/daala,luctrudeau/daala,fluffy/daala,kbara/daala,tdaede/daala_awcy_runs,KyleSiefring/daala,ycho/daala,ycho/daala,mbebenita/daala,tdaede/daala,vr000m/daala,HeadhunterXamd/daala,xiphmont/daala,iankronquist/daala,tdaede/daala,jmvalin/daala,tribouille/daala,tdaede/daala,jmvalin/daala,tdaede/daala_awcy_runs,tribouille/daala,kodabb/daala,tribouille/daala,felipebetancur/daala,kodabb/daala,ascent12/daala,mbebenita/daala,kodabb/daala,metajack/daala,luctrudeau/daala,mbebenita/daala,kodabb/daala,fluffy/daala,ekr/daala,vr000m/daala,nvoron23/daala,kustom666/daala,kustom666/daala,ascent12/daala,xiphmont/daala,fluffy/daala,felipebetancur/daala,HeadhunterXamd/daala,xiph/daala,iankronquist/daala,xiph/daala,metajack/daala,kodabb/daala,mbebenita/daala,tdaede/daala_awcy_runs,smarter/daala,luctrudeau/daala,smarter/daala,tribouille/daala,luctrudeau/daala,KyleSiefring/daala,ycho/daala,jmvalin/daala,ycho/daala,KyleSiefring/daala,ekr/daala,xiph/daala,xiph/daala,kbara/daala,iankronquist/daala,metajack/daala,KyleSiefring/daala,tdaede/daala_awcy_runs,KyleSiefring/daala,kbara/daala,jmvalin/daala,nvoron23/daala,vr000m/daala,jmvalin/daala,xiphmont/daala,felipebetancur/daala,vr000m/daala,smarter/daala,HeadhunterXamd/daala,ascent12/daala,luctrudeau/daala,felipebetancur/daala,smarter/daala,vr000m/daala,nvoron23/daala,kustom666/daala,xiph/daala,mbebenita/daala,kustom666/daala,kustom666/daala,HeadhunterXamd/daala,iankronquist/daala,felipebetancur/daala,ycho/daala,iankronquist/daala,xiphmont/daala,xiphmont/daala,tdaede/daala,kbara/daala,ascent12/daala,nvoron23/daala,ascent12/daala,HeadhunterXamd/daala