Web Browser Video Sync via Time Format Conversion
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Solution Overview
Problem
Traditional video monitoring systems face inefficiencies in synchronizing playback of video footage from multiple cameras, particularly in web-based technologies, which hinders operators' ability to quickly search for incidents across disparate time bases and camera sources.
Innovation Solution
A method for initiating synchronized playback within a client web browser by processing data to ensure compatibility, generating metadata to convert unsupported time formats, and using a controller to synchronize videos, leveraging a server for computation and utilizing an overflow buffer to manage data processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional web technologies are used for video playback, then client accessibility is improved, but synchronized playback of multiple cameras with disparate time bases cannot be achieved
Solution Approach 1:
The patent introduces a mediator component that translates between disparate time bases and a common time reference, enabling synchronized playback of multiple camera feeds in web browsers without requiring native application installation. This intermediary layer resolves the conflict between web technology accessibility and multi-camera synchronization capability.
2Productivity
If multiple data streams from disparate time bases are synchronized, then incident search efficiency is improved, but data processing complexity increases
Solution Approach 1:
The system performs preliminary actions by pre-processing and standardizing time base data from multiple cameras before synchronization is needed. Time stamps and metadata are normalized in advance, reducing the complexity of real-time data processing during incident searches while maintaining high productivity.
3Ease of operation
If video data is processed to ensure compatibility with web browsers, then client resource requirements are reduced, but data processing time increases
Solution Approach 1:
The data processing workload is segmented and distributed across multiple components: server-side preprocessing of video data, intermediate buffering of standardized streams, and client-side rendering. This segmentation reduces the processing burden on individual components and minimizes overall data processing time while maintaining web browser compatibility.
Data Source
AI summary
Initiating synchronized playback within a user interface by requesting a plurality of media data and processing the plurality of data so that the plurality of data is compatible with the user interface. The method may continue by generating a metadata object to facilitate sync playback on the user interface by determining what data is in the source buffer of the user interface that needs to be removed and searching for data using a first time format that is not natively supported by the user interface and converting the first time format into a second time format that is natively supported by the user interface. The method also includes synchronizing between videos using a sync playback controller from the generated metadata object, wherein each video is represented as a sequence in the source buffer of the user interface.