I am using this to get the number of audio channels in a video file:
ffprobe -i movie.mxf -show_entries stream=channels -select_streams a -of compact=p=0:nk=1 -v 0
Which outputs:
0
1
1
1
1
1
1
1
1
There are 8 audio channels, and I wanted to get that number as a variable. Is this possible?