Patent ID: 9674559
Date: 2017-06-06
CPC Classifications: H04L,H04N

Claim:
1. A method comprising: transmitting at least a portion of a video transmission comprising a plurality of frames organized as groups of frames, wherein the groups of frames comprise a first group of frames and a second group of frames separate from the first group of frames, and wherein each group of frames begins with a respective intra-coded frame that is encoded without reference to other frames of the plurality of frames, and wherein the first group of frames and the second group of frames each comprise a respective predictive frame and a respective bi-directionally predictive frame; receiving an instruction to change a playback parameter of the video transmission; determining a trick frame associated with the playback parameter, wherein the trick frame is in the first group of frames and encoded with reference to a second frame in the second group of frames, and wherein the trick frame is separated from the second frame by a number of frames related to the playback parameter; and using at least the trick frame in response to the instruction to change the playback parameter of the video transmission.