Media File Synchronization via Order Files
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Solution Overview
Problem
Existing systems lack an efficient method for synchronizing media files and associated metadata across multiple devices while ensuring secure access and resolving conflicts, particularly in scenarios where devices are within proximity or connected through networks.
Innovation Solution
A system that identifies changes in media file metadata, uses synchronization order files to propagate changes across devices, and employs locking mechanisms to manage access, ensuring only authorized devices can edit these files, and includes conflict resolution to prioritize recent changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If media files and metadata are synchronized across multiple devices, then accessibility and availability of media files are improved, but conflicts arise when multiple devices simultaneously access or modify the same media files
Solution Approach 1:
The system creates synchronization order files in advance that list media files and their associated metadata changes before actual synchronization occurs. This preliminary ordering allows the system to process changes in a predetermined sequence, preventing conflicts and ensuring consistent data across all devices without requiring real-time locking or complex conflict resolution during simultaneous access.
Solution Approach 2:
The synchronization process is divided into separate stages: first, changes are collected and organized into synchronization order files; second, these files are processed sequentially to apply changes to media files. This segmentation separates the complex conflict resolution logic from the actual file access, allowing multiple devices to access files simultaneously without interfering with each other's changes.
2Reliability
If synchronization order files are used to manage media file changes, then conflict resolution is improved, but system complexity increases due to additional file management requirements
Solution Approach 1:
The synchronization order file acts as an intermediary between media file changes and actual file synchronization. Instead of directly managing complex lock files, permission systems, or real-time coordination between devices, the system uses this intermediate ordering file to simply list what changes need to be applied and in what sequence. This mediator approach dramatically simplifies the management requirements while maintaining reliable conflict resolution.
3Reliability
If access control mechanisms are implemented for synchronization order files, then security is improved, but access speed and synchronization efficiency are reduced
Solution Approach 1:
Access control is established in advance by creating synchronization order files that pre-determine which devices are authorized to access which media files. This preliminary authorization list eliminates the need for continuous authentication checks during synchronization, allowing authorized devices to access files at full speed without repeated security verification delays.
Data Source
AI summary
Among other things, methods, systems and computer program products are disclosed for manipulating media. In one aspect, synchronization of media files involves identifying a change to an attribute associated with a media file associated with a first media file library located on the host system; accessing a client device list including device IDs for devices associated with the first media file library; identifying a first client device indicated by the device list; accessing a first synchronization order file stored on a server system; modifying the first synchronization order file to indicate the change to the attribute associated with the media file; and providing the modified first synchronization order file to the server system to enable the first client device to apply the indicated change to the attribute associated with the media file within a second media file library located on the first client device.