VIDEO ENCODING/DECODING METHOD, DEVICE AND VIDEO PLAYING METHOD, DEVICE AND SYSTEM

摘要

A video encoding/decoding method, device and a video playing method, device and system are disclosed in the embodiments of the present invention which relates to the communication technology field. The present invention is made to solve the problems in the prior art that: in the same living broadcast channel, the accessing times of the users are different, and the currently accessing frame is not the I frame, and a stream media server begins to send data to the user always in accordance with the I frame closest to the currently accessing frame of the user in the buffer area, so that on the same time the users accessing on different time will view different programs, thus time delay is generated between the program currently viewed by the user and the program being played in real time. The embodiments of the present invention provide a video encoding method, which includes the steps of that: inter frame encoding is carried out for the source image to the P frame by the encoder; intra frame encoding is carried out for the source image to obtain the I frame corresponding to the P frame; the I frame corresponding to the P frame is stored in the buffer of the encoder. By applying the present invention, the accessing user can view the living broadcast program in real time.