Video source acquisition system and method for vehicle-mounted video call and related equipment

The invention provides a video source acquisition system and method for a vehicle-mounted video call and related equipment. The system comprises a video call detection control module used for generating and sending a video device determination signal in response to a video call signal output by a video application; and the device management module is used for receiving the video device determination signal from the video call detection control module and determining a video source acquisition device based on the video device determination signal, and the video source acquisition device is used for providing a video source for a video application. Therefore, by configuring the video call detection control module and the equipment management module, idle cameras of a plurality of mobile equipment in a certain area are called at the same time to obtain the scene picture at the current moment in real time to serve as a video source, and then the requirement of a user for performing multi-angle multi-picture video