Patent ID: 9571547
Date: 2017-02-14
CPC Classifications: H04L,H04N

Claim:
1. A method of requesting fragments of an encoded media stream stored on a server device, the method being implemented by a client device storing a structure representative of fragments of the media stream previously received and stored on the client device, the structure comprising first and second types of addressing information associated with fragments already received, and the method comprising: receiving a user request for a first media fragment having a first portion overlapping with at least one of the already received fragments; and forming a media fragment request to obtain media data corresponding to a new fragment of the media stream, the media fragment request specifying at least one piece of addressing information of the first type and at least one addressing information of the second type, wherein the first type of addressing information is spatial or temporal information and wherein the second type of addressing information is byte position information within the media stream; wherein the new fragment corresponds to a second portion of the first media fragment that is contiguous with the first portion and does not overlap with the already received fragments, the second portion being specified by the at least one piece of addressing information of the first type and the at least one piece of addressing information of the second type.