Extension for a legacy filter support.

[Google Code Exporter]

1. Add DirectShow Legacy filters support.
2. Add an event after creating the IBaseFilter in WorkerThread, for ability to 
update custom filter properties.

The patch is attached.

Thanks,
David

Original issue reported on code.google.com by [e-mail] on 25 Dec 2013 at 8:25

Attachments:

• Video.DirectShow.patch