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Storage of content-location information

A location information and internal storage technology, which is applied in digital data information retrieval, program/content distribution protection, computer security devices, etc. It can solve the problems of not modifying DRM rights of SMIL files, loss, and not solving DCF2.0 version files, etc.

Inactive Publication Date: 2007-03-28
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. The user may not have the DRM rights to modify the SMIL file;
[0007] 2. There may be file name conflicts;
[0008] 3. There is additional complexity and memory consumption in modifying the SMIL representation; and / or
[0009] 4. Directory structure may want to store media in different directories (e.g. images in \images directory, 3GP files in \3GP directory, etc., depending on the media storage structure defined by the user or the media library application present in the OS) Composition of the target side is lost at
Although the proposed proposal seems to partially solve the problem, it does not solve the problem associated with DCF version 2.0 files that do not take advantage of this new file format at all

Method used

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  • Storage of content-location information
  • Storage of content-location information
  • Storage of content-location information

Examples

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Embodiment Construction

[0025] The subject matter contained in the Introductory Section of this patent application may be used to support the Detailed Description. In the following, DCF version 2.0 is used as an example, but there is no intention to limit the present invention to include only DCF version 2.0. Any of the methods described hereinafter may also be used in any possible and functionally suitable combination.

[0026] According to the standard specification mentioned in the background section (Open Mobile Alliance, DRM Content Format, draft version 2.0 - January 16, 2004), OMA DRM defines a delivery method in which media objects are encrypted and the The rights, including the encryption key, are transferred to a device remote from the media object. The purpose of this specification is to define a content format that supports, in addition to encrypted media objects, metadata such as:

[0027] - the original content type of the media object;

[0028] - a unique identifier for this DRM-pro...

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Abstract

A method, devices, system and software applications for wired or wireless communication. A file format for a DRM (Digital Rights Management) media content is provided. The file format has textual content-location header(s) in a common headers box for indicating content-location information of the media content.

Description

technical field [0001] The present invention generally relates to file formats. Certain embodiments of the invention are particularly concerned with providing a DCF file format (eg DCF version 2.0 file format) or similar. Background technique [0002] OMA DRM Release 2 standardizes the DCF (DRM Content Format) version 2.0 file format for use as part of OMA DRM-enabled services (OMA stands for Open Mobile Alliance; DRM stands for Digital Rights Management). Accordingly, a standard specification has been drafted: Open Mobile Alliance, DRM Content Format, Draft Version 2.0 - January 16, 2004, the contents of which are hereby incorporated by reference. Its intent is to define a content format for DRM-protected encrypted media objects and associated metadata. This content format (or file format) can also be used as a content wrapper for many other content types. For example, all components of a SMIL representation can be "wrapped" into a single file with a well-defined shelf a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F7/00G06F21/00
CPCG06F17/30067G06F21/10G06F16/10G06F17/00
Inventor 埃姆雷·巴里斯·阿克叙萨米·皮普皮里
Owner NOKIA CORP