Video definition switching method and device thereof

The invention discloses a video definition switching method and a device thereof, which aim at realizing the seamless switching of the video definition so that the video playing is not interrupted when the definition is switched, and the viewing experience of a user is improved. The method comprises the following steps of: obtaining a switching instruction of a video code rate, downloading and analyzing the switching video stream; positioning switching key frame and the corresponding switching timestamp of the switching video stream based on the sending time of the switching instruction and the parsing result of the switching video stream; decapsulating a switch video stream to obtain switch video buffer data; until the current video stream is played to the toggle key frame, decoding and playing the call toggle video buffer data from the toggle key frame. The apparatus comprises a method according to the above technical scheme. 本发明公开种视频清晰度切换方法及装置，目的是实现视频清晰度的无缝切换，使得在切换清晰度时视频播放不会中断，提高用户的观看体验。该方法包括：获取视频码率的切换指令，下