Methods and apparatus for just-in-time streaming media

Patent metadata

Field	Value
Publication number	US-12335325-B2
Application number	US-202218148382-A
Country	US
Kind code	B2
Filing date	Dec 29, 2022
Priority date	May 14, 2021
Publication date	Jun 17, 2025
Grant date	Jun 17, 2025

Abstract

Methods and apparatus for just-in-time streaming media. Existing content delivery networks are optimized for providing mass media to many consumers. This delivery model is poorly suited to user-specific content. Exemplary embodiments of the present disclosure create a program instance that can service a client's media requests from their archival data. In one specific implementation, the archival data is stored segments that are ready for streaming; a content server may provide either a consolidated file or a media “quasi-stream” from the same storage object(s). The quasi-stream supports progressive playback (media playback as it is being downloaded.) The program instance provides the client device the illusion of a static file system, however client requested access to HTTP file downloads are provided in packets that are transmuxed/transcoded from archival data. The various solutions described herein directly address a problem that is unique to providing access to client-specific data archives anytime, anywhere.

First claim

What is claimed is:

1. A method for serving portions of an archival file, the method comprising:
instantiating a file system-like application programming interface at a streaming media server;
receiving a first request for a first data structure at a non-existent location;
generating the first data structure from data in a second data structure at the streaming media server;
receiving a second request for a first set of data segments at the streaming media server based on the first data structure;
obtaining a subset of the archival file that comprises only user-specified content, based on the second request; and
generating quasi-streaming data segments from the subset of the archival file.

2. The method of claim 1 , where the subset of the archival file comprises only video chunks.

3. The method of claim 1 , where the subset of the archival file comprises only audio chunks.

4. The method of claim 1 , where the archival file comprises a 360° video comprising a front video track and a rear video track, and the subset of the archival file comprises either the front video track or the rear video track.

5. The method of claim 1 , where the user-specified content comprises highlights or thematic content.

6. The method of claim 1 , where the non-existent location indicates requested features of the first data structure.

7. The method of claim 6 , further comprising receiving an other request for a second set of data segments at the streaming media server based on the second data structure and transmitting the second set of data segments in response.

8. The method of claim 1 , where the subset of the archival file corresponds to at least the first set of data segments.

9. The method of claim 8 , where the subset of the archival file corresponds to the first set of data segments and a second set of pre-fetched data segments.

10. A streaming media server apparatus, comprising:
a network interface configured to communicate with a client device via a file system-like application programming interface;
a processor; and
a non-transitory computer-readable medium that stores instructions which when executed by the processor, causes the streaming media server apparatus to:
receive a first request for a first data structure at a non-existent location;
generate the first data structure from data in a second data structure, where the first data structure comprises a first manifest, the second data structure comprises a second manifest, and the first manifest is generated based on the second manifest;
receive a second request for a first set of data segments based on the first data structure;
obtain a subset of an archival file, based on the second request; and
generate quasi-streaming data segments from the subset of the archival file.

11. The streaming media server apparatus of claim 10 , further comprising a codec configured to transcode the subset of the archival file into the quasi-streaming data segments.

12. The streaming media server apparatus of claim 11 , where the subset of the archival file comprises MPEG-4 video chunks and the quasi-streaming data segments comprise a MPEG-2 HLS transport stream.

13. The streaming media server apparatus of claim 10 , where the archival file comprises a 360° video comprising a front video track and a rear video track, and the subset of the archival file comprises either the front video track or the rear video track.

14. An apparatus, comprising:
a network interface configured to communicate with a client device;
a processor; and
a non-transitory computer-readable medium that stores instructions which when executed by the processor, causes the apparatus to:
provide a manifest that identifies a first set of data segments at a non-existent location;
receive a request for at least a portion of the first set of data segments;
obtain a subset of an archival file, based on the request;
generate quasi-streaming data segments from the subset of the archival file; and
monitor a playback state of the client device and pre-fetch at least one additional portion of the archival file.

15. The apparatus of claim 14 , further comprising a codec configured to transcode the subset of the archival file into the quasi-streaming data segments.

16. The apparatus of claim 14 , where the archival file is associated with a user of the client device and the at least one additional portion is based on a highlight identified by the user.

17. The apparatus of claim 14 , where the subset of the archival file comprises MPEG-4 video chunks and the quasi-streaming data segments comprise a MPEG-2 HLS transport stream.

Assignees

• Gopro Inc

Inventors

• Dennedy Daniel
• Iyengar Rahul
• Fernandes Cedric

Classifications

• H04L65/65 Primary

  Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP] · CPC title

• G06F9/547

  Remote procedure calls [RPC]; Web services · CPC title

• H04L65/762

  at the source  (reformatting of additional data in video distribution servers H04N21/2355) · CPC title

• H04L65/756

  adapting media to device capabilities · CPC title

• H04L65/752

  adapting media to network capabilities · CPC title