Smart screen reverse projection method, system, device, smart screen and readable storage medium

A smart screen reverse projection method, applied to a television (TV) device, comprising:

• connecting to a smart screen through a wireless network;
• after receiving a reverse projection instruction sent by the smart screen, collecting a video stream played on the screen in real time to obtain a real-time video stream;
• and
• sending the real-time video stream to the smart screen for decoding and playing.

A smart screen reverse projection system, comprising a smart screen and a television (TV) device;

• wherein the TV device and the smart screen are connected through a wireless network after startup;
• the smart screen is configured to send a reverse projection instruction to the TV device through the wireless network, and establish a reverse projection transmission link with the TV device;
• after receiving the reverse projection instruction, the TV device is configured to collect a real-time video stream, encode the real-time video stream and send the real-time video stream to the smart screen through the transmission link;
• and
• the smart screen is configured to receive the real-time video stream through the transmission link for decoding and playing.