Used to remove the association of 2 TVideoGrabber components in Mixer mode
function Mixer_RemoveFromMixer (Id: LongInt): Boolean;
bool __fastcall Mixer_RemoveFromMixer(int Id);
function Mixer_RemoveFromMixer (Id as Long) as Bool
Invoke Mixer_RemoveFromMixer to remove an between a source component and a Mixer component previously established by invoking Mixer_AddToMixer.
Pass as parameter the identifier that was returned by the Mixer_AddToMixer function when it has been invoked.