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elements will pause if they become non-visible, such as by being scrolled out of the viewport.elements will only begin playing when visible on-screen such as when they are scrolled into the viewport, made visible through CSS, and inserted into the DOM.If a element gains an audio track or becomes un-muted without a user gesture, playback will pause.elements will also be allowed to autoplay without a user gesture.elements will be allowed to autoplay without a user gesture if their source media contains no audio tracks.elements will now honor the autoplay attribute, for elements which meet the following conditions: Just add a muted attribute and everything will work fine.īy default, WebKit will have the following policies: This has not, however, fixed the video issue in iOS devices (iPad 3 "the new iPad" and iPhone 6 tested). I think the other browsers opt for the WEBM file first, especially Chrome, even though I'm pretty sure the source list should select the first source that's technically supported. No other combinations of file and mime-type worked for me. Safari I think is fully expecting an actually-named MP4.
AUTOANSWER IF NOT HOME IPHONE MP4
I simply renamed the same m4v file (the actual file, not just the HTML) to mp4 and reuploaded to our CDN: This worked in all browsers tested including Safari 7 on Mavericks and Safari 8 on Yosemite. I also tested adding the control attribute and again, no effect. I changed the mime-type between video/mp4 and video/m4v with no effect. This worked in all browsers except Safari: For those wondering, they are the same container but M4V is primarily used on iOS to open in iTunes. I left the default settings, stripped the audio track out, and it generates an *.M4V file.
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In Ubuntu 14.04, the handbrake repository doesn't include support for MP4 out of the box. For future searches as well, I had an mp4 file that I downscaled with Handbrake using handbrake-gtk from apt-get, e.g.
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