EP4213033

• DivX, LLCsince Jun 16, 2023

A method for progressive playback of a media sequence stored as a media file on a remote server by a device, configured with a client application for: obtaining (42) information concerning the content of the media file from the remote server, identifying (44) a starting location within the media sequence, identifying (46) byte ranges of the media file corresponding to media required to play the media sequence from the starting location, requesting (46) the byte ranges required to play the media sequence from the starting location, buffering received bytes of information pending commencement of playback, and playing back the buffered bytes of information; upon receiving (50) a "trick play" user instruction, identifying (54) byte ranges of the media file corresponding to media required to play the media sequence in accordance with the "trick play" user instruction, flushing previous byte range requests, and requesting (46) the byte ranges required to play the media in accordance with the "trick play" user instruction. Using a mask indicating the downloaded portions of the media file, the client application identifies and requests (46) only the portions of byte ranges that have not already been downloaded to play the media in accordance with the "trick play" user instruction.