Browser Video Mode Conversion for VR Playback

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Solution Overview

Problem

Current technologies do not allow users to watch regular videos in VR mode on websites, as most video websites lack specialized VR video sources, and online videos cannot be played through VR player software.

Innovation Solution

A method and device that detect video content in a browser page, insert a conversion button, and convert the video playing mode from normal to VR mode by changing the playing window to two horizontally side-by-side windows, enabling VR video playback compatible with VR glasses.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If users want to watch VR videos, then they need specialized VR video sources or specialized player software, but most video websites do not provide VR video sources and online videos cannot be played through player software

Engineering Contradiction:
Improvevideo playing mode compatibilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent enables regular video content to be played in both normal and VR modes through a single browser-based system. The conversion button and JavaScript code allow the same video source to be rendered in different formats (single window for normal mode, side-by-side stereo windows for VR mode), making the system universally compatible with both viewing modes without requiring separate specialized players or content sources.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces a conversion button as an intermediary element that mediates between the regular video content and VR playback requirements. When the user interacts with this button, it triggers JavaScript code that transforms the video rendering format, acting as a bridge that converts standard video output into VR-compatible side-by-side stereo format without requiring changes to the underlying video source or specialized hardware software.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If video content is converted to VR mode by changing to two horizontally side-by-side playing windows, then VR video playback is enabled, but the browser page structure and video display are modified

Engineering Contradiction:
ImproveVR playback capabilityVSAvoidvideo window configuration
Core Design Contradiction:
Adaptability or versatilityVSShape

Solution Approach 1:

The patent implements dynamic video window configuration that can switch between normal single-window mode and VR side-by-side stereo window mode based on user interaction. The conversion button triggers a dynamic transformation of the video display structure, allowing the same video content to be presented in different spatial configurations without requiring permanent structural changes or multiple fixed layouts.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS10841530B2Method, device, and mobile terminal for converting video playing mode
Publication Date: 2020.11.17 ALIBABA GROUP HOLDING LTD
  • US10841530B2 patent drawing
  • US10841530B2 patent drawing
  • US10841530B2 patent drawing

AI summary

Methods, systems, and devices, including computer programs encoded on computer storage media, for converting video playing mode are provided. One of the methods includes: detecting video content for playing in a browser page; inserting a conversion button in the browser page for converting the playing mode of the video content; and in response to an operation performed by a user on the conversion button, converting the playing mode of the video content between a normal video playing mode and a VR video playing mode.