360 DASH videos not working in Chrome on Android, Shaka player complaining about media type

[Yang Zuo]

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I am trying to build a demo with Shaka player and A-frame to display 360 videos that support DASH. It works fine in Chrome on Windows and Linux but on an Android device it always complains about "CustomEvent {isTrusted: false, detail: Error: The browser does not support the media content. at V.k.Vb (https://blueflow.info:8090/dem…, …} bubbles : true cancelBubble : false cancelable : false composed : false defaultPrevented : false detail : Error: The browser does not support the media content. at V.k.Vb (https://blueflow.info:8090/demo/shaka-player.compiled.js:182:293) eventPhase : 0 isTrusted : false path : [] returnValue : true timeStamp : 109396.58000000002 type : "error" currentTarget : (...) srcElement : (...) target : (...) get currentTarget : ƒ () set currentTarget : ƒ (a) get srcElement : ƒ () get target : ƒ () set target : ƒ (a) __proto__ : CustomEvent". The video file is a normal 360 video downloaded from the Internet and then re-encoded with MP4Box and X264. What could be the trick to get it working? I believe A-frame has no problems cause other DASH video downloaded from the dataset can be displayed on the sphere and displayed normally. The question is really what is what might be the cause for the issue? Seems Shaka player on an android device is not working the same way as is on a desktop.

[Joey Parrish]

Hi Yang,

"The browser does not support the media content" is an error message from Shaka v1.  Shaka v2 has been out for more than a year.  I highly recommend you upgrade.  We have an upgrade guide you can use to make the transition.

Generally, when the browser fails to play back a piece of content, the media can't be demuxed or decoded by the browser.  This is out of Shaka's hands, and is usually caused by a bad encoding.  Sometimes, the content is encoded in a way that works for progressive playback (video.src = ...), but not for MediaSource (as Shaka uses).

In Chrome, you can get details about the error by opening a tab and typing "chrome:media-internals" in the address bar.  Find the button whose label matches the value of "video.src" and click it.  Details will appear in tables at the bottom of the page.

If you need help understanding the data from media-internals, we can help you.

Does this help?

Thanks,

Joey

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