Chunk Video File Transfer Control for Complete File Sets
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Solution Overview
Problem
Existing systems fail to ensure that all necessary chunk moving image files are transferred and combined correctly when using chunk recording, leading to incomplete file transfers.
Innovation Solution
A communication apparatus that controls the transfer of chunk moving image files by determining if a generated file is a specific file, such as the starting file, and if not, obtains and transfers the series of files from the starting file to the generated file, ensuring complete file transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If chunk recording is used to send moving image files efficiently, then transfer speed is improved, but file completeness cannot be ensured leading to missing files
Solution Approach 1:
The communication apparatus performs preliminary actions by determining whether to obtain the entire series of chunk moving image files before transfer begins. When a generated file is not the starting file, the system proactively retrieves all files from the starting file to the generated file, ensuring complete file sets are assembled before transfer, thus preventing missing files while maintaining efficient chunk recording transfer speeds
2Loss of time
If only the generated file is transferred, then transfer time is reduced, but files necessary for combining are missing
Solution Approach 1:
The system performs preliminary determination of file completeness requirements before transfer. By checking whether the generated file is the starting file, the system decides in advance whether to retrieve the entire series, ensuring all necessary files are obtained before transfer begins, thus preventing missing files while minimizing unnecessary transfer time
Solution Approach 2:
The communication apparatus uses feedback from the file generation status to control the transfer process. By determining whether the generated file is the starting file, the system receives feedback about the transfer state and adjusts its behavior accordingly - retrieving the full series only when necessary, thus balancing completeness with efficiency
Data Source
AI summary
A communication apparatus communicates with an external apparatus and performs, when divided files generated sequentially by dividing continuous time-series data have been generated in a first external apparatus, control to obtain the divided files from the first external apparatus. The apparatus transfers, when the divided files are obtained, the divided files to a second external apparatus. When a first divided file has been generated in the first external apparatus and the first divided file is not a specific divided file, the apparatus obtains the divided files from the specific divided file to the first divided file.