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Cant play steam shared videos

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Steam has new feature to share videos you record in game, but all other browser can open the link and play the video but fire fox cant.

https://steamusercontent-a.akamaihd.net/ugc/2908503276065776/12BDB6E6A7688F3E6BD2CB7DAA73A4AE85859D88/

Could not be decoded, error: Error Code: NS_ERROR_DOM_MEDIA_NOT_SUPPORTED_ERR (0x806e0003) Details: Utility MF Media Engine CDM only support for media engine playback

Steam has new feature to share videos you record in game, but all other browser can open the link and play the video but fire fox cant. https://steamusercontent-a.akamaihd.net/ugc/2908503276065776/12BDB6E6A7688F3E6BD2CB7DAA73A4AE85859D88/ Could not be decoded, error: Error Code: NS_ERROR_DOM_MEDIA_NOT_SUPPORTED_ERR (0x806e0003) Details: Utility MF Media Engine CDM only support for media engine playback

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The error message did inform it's not supported. So unless you install 3rd party Codec for Firefox at this point it does says the media isn't supported in Firefox from the error message. Otherwise you need to contact Steam support to see if your missing codec or 3rd apps that runs on Firefox for Steam.

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