William, I am running the same ESRI software but with the Phantom 3. I may be able to help a little, FMV doesn't currently support .mov files but should work with .mp4. I have added .mp4 files from my phantom 3 and the video manager picked them up And they were not MISB. To get the .srt file on mine I open the DJI Go app and go into the flight (camera) mode. Then click menu then the wrench (settings), then turn Video Caption on. That will record the metadata to the .srt file. I hope that gets you closer.
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