Methods, apparatus, and systems for effectively reducing media content transmissions and efficiently rendering immersive media contents are disclosed. In one example aspect, a method includes requesting, by a user, media files from a server according to the current viewing position and viewing direction of the user, receiving, by the user, the media files from the server according to the current viewing position and the viewing direction of the user, extracting a patch of an atlas, and synthesizing the visual content in the current window area of the user, and obtaining, by the user, three-dimensional stereoscopic video content according to the current viewing position and viewing direction of the user.