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1. (WO2017157191) METHOD AND APPARATUS FOR SWITCHING VIDEO DEFINITIONS

Pub. No.:    WO/2017/157191    International Application No.:    PCT/CN2017/075638
Publication Date: Fri Sep 22 01:59:59 CEST 2017 International Filing Date: Sat Mar 04 00:59:59 CET 2017
IPC: H04N 21/4402
H04N 21/442
Applicants: GUANGZHOU UCWEB COMPUTER TECHNOLOGY CO., LTD.
广州市动景计算机科技有限公司
Inventors: LIU, Cheng
刘成
LUO, Bin
罗彬
Title: METHOD AND APPARATUS FOR SWITCHING VIDEO DEFINITIONS
Abstract:
The present invention relates to the field of video playing. Disclosed are a method and apparatus for switching video definitions, which is invented to resolve the problem of playing smoothness of video playing affected during the switching of definitions. The method in the present invention comprises: during the playing of a first video source, determining, according to current network condition, whether a video definition is to be switched; if the video definition is switched, establishing a second decoding library according to the video definition, and loading, by means of the second decoding library, a second video source having a definition level corresponding to a current network speed; and seamlessly switching the first video source to the second video source. The seamless switching from the first video source to the second video source can be implemented by means of corresponding conversions of transparencies. The present invention is mainly used in a process of switching definitions of online videos.