This annoying Sony camers w/ AVCHD files
To process them in Linux install fuse-exfat, mount the SD with:
mount.exfat-fuse /dev/sdb1 /mnt/
and convert the properitary container to a standard one:
ffmpeg -i /mnt/PRIVATE/AVCHD/BDMV/STREAM/00001.MTS -codec copy myfile.mp4