Tencent Technology (Shenzhen) Company Limited

Tsinghua University

Fuzhong Sheng

Chenchen Gu

Jing Lv

Zhu Liang

Nian Liu

Jiangtao Wen

Huateng Ma

Shuhui Mei

Yongyu Dai

Pin Tao

Tiange Si

Baohe Zhang

Wenting Wu

Mou Xiao

The invention provides a method and device for video predictive encoding.

Method and device for video predictive encoding

A method, system and apparatus for uploading and downloading a caption file are disclosed. The method includes: receiving, by a caption server, file information of a multimedia file and file information of a caption file corresponding to the multimedia file from a client end player; determining, by the caption server, whether the caption server has the caption file according to the file information of the caption file and transmitting a status message indicating whether the caption server has the caption file to the client end player, to enable the client end player to upload the caption file when determining according to the status message that the caption server does not have the caption file. In the solution of the present disclosure, the client end player can upload and download the caption file automatically. The user does not need to search for and download the caption file manually, which improves the user's experience and saves resources of the caption server.

Method, system and apparatus for uploading and downloading a caption file

The embodiment of the present invention provides a method for establishing P2P connection, comprising the steps of: a first terminal initiating connection sends a message to a second terminal to be connected, wherein the message contains the address of the first terminal; the second terminal reads the address of the first terminal initiating connection upon receiving the message, and initiates a P2P connection to the address of the first terminal. The embodiment of the present invention also provides another method for establishing P2P connection, through which both UDP P2P connection and TCP P2P connection can be established. Through the methods provided by the embodiments of the present invention, the terminal to be connected may initiate P2P connection, hence a P2P connection can be initiated by both ends of the connection; furthermore, a P2P connection can be established by using multiple policies through the multiple policy P2P connection establishment method provided by the embodiment of the present invention, thus the P2P connection rate is improved.

Method for establishing peer-to-peer connection

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Shenzhen, China

Fuzhong Sheng