Certain videos cannot be played @safari

WebViewer Version:
@pdftron/webviewer”: “^10.1.0”,
@pdftron/webviewer-video”: “^4.34.0”,

Do you have an issue with a specific file(s)?
Can you reproduce using one of our samples or online demos?
Are you using the WebViewer server?
Does the issue only happen on certain browsers?
Yes. safari.
Is your issue related to a front-end framework?
Is your issue related to annotations?

Please give a brief summary of your issue:
(Think of this as an email subject)
Certain videos cannot be played @safari

Please describe your issue and provide steps to reproduce it:
(The more descriptive your answer, the faster we are able to help you)
Certain videos cannot be played.
safari only.

Could you please confirm this?

Please provide a link to a minimal sample where the issue is reproducible:

Best Regards.