Video Display Control Information for Multi-Directional Video Playback
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Solution Overview
Problem
Existing video display systems often fail to implement the intended display scheme chosen by content creators, leading to users not experiencing the video as intended, due to mismatched display settings between the content maker's intention and the selected display scheme.
Innovation Solution
An information processing device and method that selects and executes an optimum display scheme for multi-directional videos like omnidirectional or panorama videos by acquiring and applying video display control information, which defines the appropriate display scheme based on the device type, allowing users to manipulate the display process through user interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If applications execute predetermined display schemes selected by users, then users can freely change viewpoints and observe videos in different directions, but the display scheme may not match the content maker's intention, causing users to view videos differently than intended
Solution Approach 1:
The content maker pre-defines the intended display scheme when creating the video content. This predetermined display scheme is stored alongside the video data, allowing the reproduction device to automatically apply the correct display scheme without requiring user selection, thereby preserving the content maker's original intent while still allowing user interaction within the defined parameters.
2Adaptability or versatility
If multiple display schemes are provided for different device types, then videos can be displayed optimally on each device type, but the system complexity increases due to managing device-type-specific configurations
Solution Approach 1:
The system provides different display schemes tailored to specific device types (PC, portable terminal, HMD, etc.). Each device type has its own optimized display scheme stored in the video data structure. The reproduction device automatically identifies its type and applies the corresponding display scheme, achieving device-specific optimization without requiring complex manual configuration management.
3Reliability
If video display control information is embedded in video data, then the intended display scheme is preserved and automatically applied, but the data structure becomes more complex requiring additional processing
Solution Approach 1:
The display scheme information is merged with the video data structure, specifically embedded within the metadata section of the video file. This integration allows the reproduction device to automatically extract and apply the display scheme during video playback without requiring separate configuration files or complex external processing, thereby maintaining reliability while managing complexity through unified data structure handling.
Data Source
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AI summary
In an information processing device including a display unit that is able to selectively display a multi-directional video and a data processing unit that executes video display control, the data processing unit applies a device-correspondent video display scheme recorded in video display control information and executes the video display process. The video display control information defines a type-based display scheme optimum for each type of information processing device executing a video display process. The data processing unit applies the display scheme associated with a type matching the type of the own device and executes the video display process.