Panoramic Multi-View Media Encapsulation for Seamless Viewpoint Switching

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Solution Overview

Problem

Existing video coded bitstream encapsulation methods for media files with panoramic pictures of multiple viewpoints result in poor switching effects when switching between different viewpoints.

Innovation Solution

A method and device for encapsulating and de-encapsulating media files that involve adding switching information to panoramic pictures of multiple viewpoints, allowing seamless transitions between them.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing video coded bitstream encapsulation mode is used for panoramic pictures of multiple viewpoints, then the media file can be encapsulated, but the switching effect between different viewpoints is poor

Engineering Contradiction:
Improveswitching effectVSAvoidencapsulation structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the panoramic picture data by creating separate view groups, each containing coded bitstreams for specific viewpoints. This segmentation allows independent handling and switching between different viewpoint groups, improving the switching effect while maintaining manageable complexity through organized data structure

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies preliminary action by pre-processing the coded bitstreams and organizing them into view groups with associated metadata before encapsulation. This pre-organization of switching information and viewpoint data enables efficient switching operations during playback without requiring complex real-time processing

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12418576B2Method, apparatus and device for encapsulating media file, and storage medium
Publication Date: 2025.09.16 TENCENT TECHNOLOGY (SHENZHEN) CO LTD
  • US12418576B2 patent drawing
  • US12418576B2 patent drawing
  • US12418576B2 patent drawing

AI summary

A method for encapsulating a media file includes: acquiring coded bitstreams of panoramic pictures of N viewpoints, N being a positive integer greater than 1; and encapsulating the coded bitstreams in an entity group, and respectively adding, for at least one viewpoint in the N viewpoints, first information to a panoramic picture of the corresponding viewpoint, to obtain a media file of the panoramic pictures of the N viewpoints, the first information indicating switching information during switching from a panoramic picture of a current viewpoint to another panoramic picture of a next viewpoint.