The same things for all cameras
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A JSON list of the contents of the SD card: http://10.5.5.9:8080/gp/gpMediaList
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Main directory: http://10.5.5.9:8080/videos
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Formats: Photo (JPG), HD video (MP4), Low resolution video (LRV), Video thumbnail(THM).
4k, 2.7k and 1440p CANNOT BE DOWNLOADED OR/AND PLAYED.
THE HD VIDEO TAKES A LOT OF TIME TO DOWNLOAD.
Directories vary between hero cameras.