MadJackal
lvl.1
Russia
Offline
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Not only time and fps make sense, bitrate make huge impact on file size. As an example you can download movie in 1.5GB file or 10GB+ file.
In my files with 2,7k/50@ 16:9 , bitrate ~ 67Mbit/s and 2 minutes video has almost 1GB size
67Mbit/s /8 * 120s ~= 1000MB => no magic
in other video with the same settings bitrate are 80Mbit/s, so bitrate is not a constant so video with same length may have different size
2
cam didn't recalculate remaining time after change settings of codec even after turnoff (this is another bug in firmware) if you change codec and make a 1-2sec video, after rec stop you will see that remain time changed. in my test i received about +2min to length with HEVC on empty internal storage
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