I think the video might be in H.265 format. Outside of Safari, no browser supports it, not even Chrome. https://caniuse.com/hevc https://caniuse.com/hevc The v

I think the video might be in H.265 format. Outside of Safari, no browser supports it, not even Chrome. https://caniuse.com/hevc https://caniuse.com/hevc The video was probably originally in H.265 format and Apple apparently did no attempt at transcoding it to a format that's more widely understood like H.264.