Method and device for providing streaming content

A method of providing content performed by a client, the method comprising:

• receiving, from a the server, a specific Media Presentation Description (MPD) suitable for the client, the specific MPD comprising descriptions of representations of the content suitable for the client;
• selecting an appropriate representation from among the representations in the specific MPD based on the descriptions of the representations;
• and
• requesting the server to transmit content corresponding to the selected representation,
• wherein the specific MPD includes one or more periods,
• wherein the period includes one or more groups,
• wherein the group includes one or more representations,
• wherein the representation includes one or more segments,
• wherein the specific MPD includes one or more group elements for each of the groups, and
• wherein the group element is related to a summary of values of attributes of all representations within the group.

A method of providing content performed by a server or multiple servers, the method comprising:

• transmitting, to a the client, a specific Media Presentation Description (MPD) suitable for the client, the specific MPD comprising descriptions of representations suitable for the client;
• receiving, from the client, a request for content corresponding to a representation in the specific MPD selected by the client, and
• transmitting the content corresponding to the selected representation in the specific MPD to the client,
• wherein the specific MPD includes one or more periods,
• wherein the period includes one or more groups,
• wherein the group includes one or more representations,
• wherein the representation includes one or more segments.
• wherein the specific MPD includes one or more group elements for each of the groups, and
• wherein the group element is related to a summary of values of attributes of all representations within the group.

A method of providing content performed by a client, the method comprising:

• receiving, from a server, a specific Media Presentation Description (MPD) suitable for the client, the specific MPD comprising a subset of representations in a general MPD or a different specific MPD;
• selecting an appropriate representation from among the representations in the specific MPD, based on the descriptions of the representations;
• and
• requesting the server to transmit content corresponding to the selected representation,
• wherein the specific MPD includes one or more periods,
• wherein the period includes one or more groups,
• wherein the group includes one or more representations,
• wherein the representation includes one or more segments,
• wherein the specific MPD includes one or more group elements for each of the groups, and
• wherein the group element is related to a summary of values of attributes of all representations within the group.

A method of providing content performed by a server or multiple servers, the method comprising:

• transmitting, to a client, a specific Media Presentation Description (MPD) suitable for the client, the specific MPD comprising a subset of representations in a general MPD or a different specific MPD;
• receiving, from the client, a request for content corresponding to a representation in the specific MPD selected by the client, and
• transmitting the content corresponding to the selected representation in the specific MPD to the client,
• wherein the specific MPD includes one or more periods,
• wherein the period includes one or more groups,
• wherein the group includes one or more representations,
• wherein the representation includes one or more segments,
• wherein the specific MPD includes one or more group elements for each of the groups, and
• wherein the group element is related to a summary of values of attributes of all representations within the group.