Media File Layer Information Encoding for Reliable Sample Reconstruction
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Solution Overview
Problem
Current technologies face challenges in ensuring correct sample reconstruction and preventing the omission of essential layer information during media file processing, leading to potential media file reading failures and incorrect syntax interpretation.
Innovation Solution
The method involves generating and receiving media files with layer information, ensuring that a predetermined sample group is present to facilitate correct interpretation and reconstruction, particularly by using a media file generating/receiving apparatus with processors that encode and decode video data, and storing the media files on a computer-readable recording medium.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If layer information is omitted during media file processing, then processing efficiency is improved, but media file reading reliability deteriorates
Solution Approach 1:
The patent applies preliminary action by pre-defining and pre-positioning layer information samples at specific locations within the media file structure before processing occurs. This ensures that when media files are read and processed, the layer information is already in place and accessible, preventing omissions without requiring additional processing steps to locate or reconstruct the information.
2Reliability
If layer information is forcibly included, then media file reading reliability is improved, but device complexity increases
Solution Approach 1:
The patent applies universality by designing a media file structure where the layer information mechanism serves multiple functions: it provides reliability guarantees for media file reading, enables correct syntax interpretation, and maintains compatibility with existing processing systems. The layer information is integrated into the standard media file format, allowing it to function across different applications without requiring specialized complex processing.
3Productivity
If sample reconstruction is performed without ensuring layer information presence, then processing speed is improved, but manufacturing precision deteriorates
Solution Approach 1:
The patent applies feedback by implementing a verification mechanism that checks for the presence of layer information samples during the media file processing workflow. This feedback loop ensures that layer information is present before sample reconstruction occurs, preventing reconstruction errors while maintaining efficient processing by avoiding unnecessary rework or error handling.
Data Source
AI summary
A method and apparatus for generating/receiving a media file including layer/sublayer information and a method of transmitting the media file are provided. The media file receiving method comprises obtaining one or more tracks and sample groups from a media file and processing video data in the media file, by reconstructing samples included in the tracks based on the sample groups. Based on that a current track of the tracks comprises a plurality of layers or sublayers and a predetermined first sample group is present for the current track, the current track may comprise layer information for the plurality of layers or sublayers.