# US 11,310,303 B2 · Methods and apparatuses for dynamic adaptive streaming over HTTP > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,303 B2 - Document ID: US11310303B2 - Status: Granted - Kind: B2 - Application number: 17/031,314 - Filed: 2020-09-24 - Published: 2021-04-01 - Granted: 2022-04-19 - Earliest claimed: 2019-10-01 - Assignees: Tencent America LLC - Applicants: Tencent America LLC - Inventors: Iraj Sodagar - Web page: https://patentgrep.com/patent/US11310303B2 ## CPC - H04L 65/1089: by adding media; by removing media - H04L 65/65: Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP] - H04L 65/612: for unicast - H04L 67/02: based on web technology, e.g. hypertext transfer protocol [HTTP] - H04N 21/435: Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream - H04N 21/84: Generation or processing of descriptive data, e.g. content descriptors {(systems specially adapted for using meta-information in broadcast systems H04H60/73)} - H04N 21/8456: {by decomposing the content in the time domain, e.g. in time segments} - H04N 21/8541: involving branching, e.g. to different story endings - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract Aspects of the disclosure provide methods, apparatuses, and non-transitory computer-readable storage mediums for receiving media data. One apparatus includes processing circuitry that receives a media presentation description (MPD) file that includes an MPD event indicating a plurality of branches of a story map. The processing circuitry receives a user selection of one of the plurality of branches of the story map during an active duration of the MPD event. The user selected branch corresponds to a next period that is connected to a current period. The processing circuitry receives, from a server, media data of the next period corresponding to the user selected branch. ## Claims ### Claim 1 A method for receiving media data, the method comprising: receiving a media presentation description (MPD) file that includes an MPD event indicating a plurality of alternative branches of a story map; presenting, through a user interface, the plurality of alternative branches of the story map to a user by triggering the MPD event during reproduction of a current period; receiving, through the user interface, a user selection of one of the plurality of alternative branches of the story map during an active duration of the MPD event, the user selected branch corresponding to a next period that is connected to the current period; sending, to a server, a media segment request for the next period corresponding to the user selected branch; and receiving, from the server, media data of the next period corresponding to the user selected branch. ### Claim 2 (depends on 1) The method of claim 1, wherein the current period includes the active duration of the MPD event. ### Claim 3 (depends on 1) The method of claim 1, wherein the media segment request includes a period identification (ID) of the next period corresponding to the user selected branch. ### Claim 4 (depends on 3) The method of claim 3, wherein the sending further comprises: sending the media segment request to the server based on uniform resource locator (URL) information included in the MPD event and the period ID. ### Claim 5 (depends on 1) The method of claim 1, wherein the MPD file is updated to include period information of the next period. ### Claim 6 (depends on 1) The method of claim 1, further comprising: storing period information of a period for each of the plurality of branches indicated by the MPD event; and generating a local MPD file based on the received MPD file and the user selected branch. ### Claim 7 An apparatus for receiving media data, the apparatus comprising: processing circuitry configured to: receive a media presentation description (MPD) file that includes an MPD event indicating a plurality of alternative branches of a story map; present, through a user interface, the plurality of alternative branches of the story map to a user by triggering the MPD event during reproduction of a current period; receive, through the user interface, a user selection of one of the plurality of alternative branches of the story map during an active duration of the MPD event, the user selected branch corresponding to a next period that is connected to the current period; send, to a server, a media segment request for the next period corresponding to the user selected branch; and receive, from the server, media data of the next period corresponding to the user selected branch. ### Claim 8 (depends on 7) The apparatus of claim 7, wherein the current period includes the active duration of the MPD event. ### Claim 9 (depends on 7) The apparatus of claim 7, wherein the media segment request includes a period identification (ID) of the next period corresponding to the user selected branch. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein the processing circuitry is further configured to: send the media segment request to the server based on uniform resource locator (URL) information included in the MPD event and the period ID. ### Claim 11 (depends on 7) The apparatus of claim 7, wherein the MPD file is updated to include period information of the next period. ### Claim 12 (depends on 7) The apparatus of claim 7, wherein the processing circuitry is further configured to: store period information of a period for each of the plurality of branches indicated by the MPD event; and generate a local MPD file based on the received MPD file and the user selected branch. ### Claim 13 A non-transitory computer-readable storage medium storing instructions which when executed by a computer for receiving media data cause the computer to perform: receiving a media presentation description (MPD) file that includes an MPD event indicating a plurality of alternative branches of a story map; presenting, through a user interface, the plurality of alternative branches of the story map to a user by triggering the MPD event during reproduction of a current period; receiving, through the user interface, a user selection of one of the plurality of alternative branches of the story map during an active duration of the MPD event, the user selected branch corresponding to a next period that is connected to the current period; sending, to a server, a media segment request for the next period corresponding to the user selected branch; and receiving, from the server, media data of the next period corresponding to the user selected branch. ### Claim 14 (depends on 13) The non-transitory computer-readable storage medium of claim 13, wherein the current period includes the active duration of the MPD. ### Claim 15 (depends on 13) The non-transitory computer-readable storage medium of claim 13, wherein the media segment request includes a period identification (ID) of the next period corresponding to the user selected branch. ### Claim 16 (depends on 15) The non-transitory computer-readable storage medium of claim 15, wherein the stored instructions cause the computer to further perform: sending the media segment request to the server based on uniform resource locator (URL) information included in the MPD event and the period ID. ### Claim 17 (depends on 13) The non-transitory computer-readable storage medium of claim 13, wherein the MPD file is updated to include period information of the next period.