When you use the new MediaStreamSource API for JavaScript and you try to use the IMFMediaStreamSourceSampleRequest interface in Windows 8.1 or Windows Server 2012 R2, the operation that tries to obtain the interface fails together with an "E_NOINTERFACE" error.
Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.