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I'm currently having issues with a dynamically loaded html video player on my site, where I set the source of a HTML video player using JS by clicking on a button.

The problem is, once the video is playing it runs fine, but as soon as I skim the video or jump ahead, doesn't matter how far, the sound is lost and doesn't sync back up with the video, even though I'm on a fast connection and the video itself continues to play without any hiccups or buffering.

The video is a MP4 encoded in H.264 and ACC 160bit.

What could this be due to?

EDIT: this problem only seems to occur on iOS devices, and on any browser.

Christian Smith Mantas
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1 Answers1

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It seems the issue was playback on iOS devices using the Safari browser (other browsers not currently tested), and it was due to the encoding used on the videos, was not optimal for those circumstances.

Solution: encode all videos in H.264 and AAC for audio, there are some very useful presets that can help you do this in HandBrake.

Christian Smith Mantas
  • 60
  • 8