Media Pool: generate HTMLSourceElement from the src attribute. #25003
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newmuis
approved these changes
Oct 10, 2019
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Cached videos don't fallback to the origin video when configured as attributes of
<amp-video>.The media pool will remove the
srcattribute before theamp-video.layoutCallbackruns, preventing it from propagating the cached src as a source of the new<video>element.Solution is to transform the
srcattribute as aHTMLSourceElement, that will later be picked up byamp-video.layoutCallback.This fixes stories like this one (see page 2).