Perf issue with filter2

[valbok]

QT_AVPLAYER_NO_HWDEVICE=1 ./qml_video.app/Contents/MacOS/qml_video ~/Downloads/SMTHMP05006_JUNGLE.mp4 "sws_flags=neighbor;split=4[x1][x2][x3][x4];[x1]format=yuv444p,scale[y1];[x2]format=yuv422p10le,waveform=intensity=0.1:mode=column:mirror=1:c=1:f=0:graticule=green:flags=numbers+dots:scale=0[z2];[z2][y1]scale2ref[y2][y1];[x3]format=yuv422p10le, split=10[b0][b1][b2][b3][b4][b5][b6][b7][b8][b9]; [b0]crop=iw/10:ih:(iw/10)*0:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-1))*pow(2,1)[b0c]; [b1]crop=iw/10:ih:(iw/10)*1:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-2))*pow(2,2)[b1c]; [b2]crop=iw/10:ih:(iw/10)*2:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-3))*pow(2,3)[b2c]; [b3]crop=iw/10:ih:(iw/10)*3:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-4))*pow(2,4)[b3c]; [b4]crop=iw/10:ih:(iw/10)*4:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-5))*pow(2,5)[b4c]; [b5]crop=iw/10:ih:(iw/10)*5:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-6))*pow(2,6)[b5c]; [b6]crop=iw/10:ih:(iw/10)*6:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-7))*pow(2,7)[b6c]; [b7]crop=iw/10:ih:(iw/10)*7:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-8))*pow(2,8)[b7c]; [b8]crop=iw/10:ih:(iw/10)*8:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-9))*pow(2,9)[b8c]; [b9]crop=iw/10:ih:(iw/10)*9:0,lut=c0=pow(2,10-1):c1=pow(2,10-1):c2=pow(2,10-1):c0=bitand(val,pow(2,10-10))pow(2,10)[b9c]; [b0c][b1c][b2c][b3c][b4c][b5c][b6c][b7c][b8c][b9c]hstack=10,format=yuv444p,drawgrid=w=iw/10:h=ih:t=2:c=green@0.5[z3];[z3][y1]scale2ref[y3][y1];[x4]format=yuv422p10le,vectorscope=i=0.1:mode=3:envelope=0:colorspace=1:graticule=green:flags=name,pad=ih1.48148:ih:(ow-iw)/2:(oh-ih)/2[z4];[z4][y1]scale2ref[y4][y1];[y1][y2][y3][y4]xstack=fill=slategray:inputs=4:layout=0_0|w0_0|0_h0|w0_h0|0_h0+h1|w0_h0+h1,format=rgb24"