A method and apparatus include including, in a moving pictures experts group (MPEG) dynamic adaptive streaming over hypertext transfer protocol (DASH) media presentation description (MPD) file, an initialization presentation element that identifies an initialization presentation and one or more initialization groups included in the initialization presentation. An initialization group element that identifies an initialization group and one or more initialization sets included in the initialization group is included in the MPD file. An initialization set element that identifies an initialization set is included in the MPD file. The MPD file is transmitted to a client device.