_FindPhysical
_FindPhysical(&fPhysicalVideoOut, kMsgTypeVideoOut, false,
_FindPhysical(&fPhysicalVideoOut, kMsgTypeVideoOut, false,
_FindPhysical(&fPhysicalVideoIn, kMsgTypeVideoIn, true,
_FindPhysical(&fPhysicalVideoIn, kMsgTypeVideoIn, true,
_FindPhysical(&fPhysicalAudioOut, kMsgTypeAudioOut, false,
_FindPhysical(&fPhysicalAudioIn, kMsgTypeAudioIn, true,
void _FindPhysical(volatile media_node_id *id,