The subject pretty much sums it up. We have a custom player built on top of Video.js, with a "chapters" menu that allows users to jump to particular parts of a video using the Video.js api, aka:
video.currentTime(newValue)
This works great on most devices (with a discrepancy of just about 1/2 a second or less), except on Android (specifically testing on a Galaxy S5) it tends to result in the video jumping 5 - 10 seconds earlier into the video than specified i.e. if I do video.currentTime(30) the video starts playing at 24 seconds.
Any ideas?!
Unfortunately on most Android devices the video jumps to the next or previous keyframe. Try to convert the video with ffmpeg using -force_key_frames option.