AVBlocks

Windows

wmvcore.dll

wmvcore.dll is loaded dynamically by AVBlocks and is used for ASF muxing and demuxing (Windows Media).

NOTE:

• wmvcore.dll is not installed by default on Windows Server 2008, 2008 R2, 2012, and 2012 R2. On those systems you will need to install the "Media Foundation" or "Desktop Experience" feature from "Server Manager".
• wmvcore.dll is not present by default on Windows "N" versions, or on Windows versions without Windows Media Player.

msdmo.dll

This library is loaded dynamically by AVBlocks and is used for the Windows Media codecs (WMA/WMV).