ios - Why does this HTML5 video go black when an iPhone is rotated? -


there's video on https://mealthy.com/recipes/640 plays well. however, if open on iphone (eg, ios 11 beta), start playing in portrait, , rotate screen landscape, video goes black (the audio can still heard). if rotate portrait, it's fine again.

also, if stay in landscape, exit out of fullscreen video , fullscreen again, it's fine.

why happen?

(this doesn't happen on ipad.)


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