ML test mlv_lite + mlv_snd + mlv_dump.exe
1. Sound rec starts before frames rec and end after them
2. mlv_dump seems to jump frame nums, did not notice any frame drops
5D3 1.2.3, external stereo mic, ML build magiclantern-crop_rec_4k.2018Feb02.5D3123, SanDisk Extreme Pro 128GB
Edited in DaVinci Resolve 12 lite