Patent ID: 8286213

Claim:
A Hypertext Transfer Protocol (HTTP) based video streaming method of a mobile communication system, the method comprising: receiving, by a transmitting server, information of a specific random access point from a remote unit, the specific random access point being input by a user at the remote unit; searching for the specific random access point in a content file stored in the transmitting server in response to the transmitting server receiving the information of the specific random access point input by the user at the remote unit; reconfiguring a data stream based on a screen type of the specific random access point input by the user and a coincidence between the specific random access point and a data transmission starting point, wherein reconfiguring the data stream comprises: determining an existing I-frame that is most similar to the specific random access point when the specific random access point is determined to be a P-frame and is the data transmission starting point, converting the P-frame into a new I-frame based on values of the existing I-frame and a next P-frame, wherein the converting is performed until the next P-frame is the specific random access point, configuring a media data sample based on the new I-frame as the data transmission starting point, configuring a new data stream using the media data sample and continuous media data samples, converting a segment header of the media data sample having the new I-frame into a representative header, and discarding frames between the converted representative header and the header of the new I-frame in the media data sample; and transmitting the new data stream including the converted representative header from the transmitting server to the remote unit.