Audio is missing for filters

[valbok]

./qml_video /home/val/Downloads/SMTHMP05006_JUNGLE.mp4 "sws_flags=neighbor;split=3[x1][x2][x3];[x1]format=yuv444p,scale[y1];[x2]format=yuv420p,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=yuv420p,vectorscope=i=0.1:mode=3:envelope=0:colorspace=1:graticule=green:flags=name,pad=ih*1.77778:ih:(ow-iw)/2:(oh-ih)/2[z3];[z3][y1]scale2ref[y3][y1];[y1][y2][y3]xstack=fill=slategray:inputs=3:layout=0_0|w0_0|0_h0|w0_h0|0_h0+h1|w0_h0+h1"

[valbok]

QT_AVPLAYER_NO_HWDEVICE=1 ./qml_video /home/val/Downloads/SMTHMP05006_JUNGLE.mp4 "sws_flags=neighbor;split=3[x1][x2][x3];[x1]format=yuv444p,scale[y1];[x2]format=yuv420p,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=yuv420p,vectorscope=i=0.1:mode=3:envelope=0:colorspace=1:graticule=green:flags=name,pad=ih*1.77778:ih:(ow-iw)/2:(oh-ih)/2[z3];[z3][y1]scale2ref[y3][y1];[y1][y2][y3]xstack=fill=slategray:inputs=3:layout=0_0|w0_0|0_h0|w0_h0|0_h0+h1|w0_h0+h1;loudnorm=print_format=summary:linear=true;"

[valbok]

ffmpeg -i ~/Downloads/SMTHMP05006_JUNGLE.mp4 -filter_complex "sws_flags=neighbor;split=3[x1][x2][x3];[x1]format=yuv444p,scale[y1];[x2]format=yuv420p,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=yuv420p,vectorscope=i=0.1:mode=3:envelope=0:colorspace=1:graticule=green:flags=name,pad=ih*1.77778:ih:(ow-iw)/2:(oh-ih)/2[z3];[z3][y1]scale2ref[y3][y1];[y1][y2][y3]xstack=fill=slategray:inputs=3:layout=0_0|w0_0|0_h0|w0_h0|0_h0+h1|w0_h0+h1" o.mp4

[valbok]

https://github.com/valbok/QtAVPlayer/pull/399

[valbok]

https://github.com/valbok/QtAVPlayer/pull/402