It has always been, and many of Windows about video conferencing and video chat are based on VFM or use DirectShow. It is largely dependent on third-party controls. Because these controls have strict packages for the underlying, the application developers It is difficult to know what happened below, so many people are expected to be in this area. In the next period, it is an attempt to use the most basic method, start designing video capture software from 0, by the way, learn all things involved.
