Patent ID: 9571862
Date: 2017-02-14
CPC Classifications: H04L,H04N

Claim:
1. A frame type detection method for a video stream, comprising: obtaining a size of a current video frame, wherein the current video frame is located after the first video frame of the video stream; obtaining a change feature value of the current video frame according to the size of the current video frame and a size of a previous first video frame adjacent to the current video frame; obtaining an I-frame threshold of the current video frame according to a video frame rate and a location of the current video frame; and determining whether the previous first video frame is an I frame according to the change feature value of the current video frame, a change feature value of the previous first video frame, the I-frame threshold of the current video frame, the size of the current video frame, the size of the previous first video frame, and a size of a previous second video frame adjacent to the previous first video frame.