I’m noticing that -noautorotate is not being accounted for by the video 
filters. This is apparent with a rotated video input and grabbing a thumbnail 
from it using the video filters.

Tried it with a couple different commands, with the same results:

`ffmpeg -noautorotate -i [rotated-video.mov] -f mp4 output.mp4 -vframes 1 
thumbnail.jpg`

`ffmpeg -noautorotate -i [rotated-video.mov] filter_complex split=1[screen0] -f 
mp4 output.mp4 -vframes 1 -map [screen0] thumbnail.jpg`

The output.mp4 is output without following the rotation metadata, but the 
thumbnail.jpg is output following the rotation metadata.

I would expect that with the -noautorotate flag on the input it would also 
honor that when applying the filters to the input.
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