The following supports will be added to Windows 8.1 to support the H.264 camera:
Always use the dependent pin for capture. The dependent pin is based on the .inf file entry as soon as the capture is completed.
Windows RT apps that are used for communication use the H.264 pin for recording. All other apps use the preview pin for recording.
To resolve this issue, install update rollup 2955164. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:
2955164 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: May 2014
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates