autoEdit 2 Documentation
1.0.6
1.0.6
  • Introduction
  • Overview
    • Intro
      • High-level overview of the parts
      • from 1.0.5 to 1.0.6
      • Project folder structure
    • Support the project
  • Transcriptions
    • Transcriptions intro
    • Transcription json
    • Transcriber
      • audio to video
      • STT sdks
        • IBM Watson STT
        • Gentle STT
        • Pocketsphinx
    • Read metadata
    • Video preview conversion
    • Hypertranscript
  • Papercuts
    • Papercuts
      • Selections
      • Annotations
      • Tags
  • Paper-edit
    • Paper-edit
      • Paper-edit json
      • search-filter
      • drag-and-drop
      • video-preview
  • Export
    • Export
      • EDL export
      • XML export
  • Appendix
    • Dev configuration
    • Deployment/build
      • Deployment/build for Max OS X
      • Deployment / Build for Linux
      • Deployment / Build for Windows
    • Dependencies
    • Current db setup
    • EDL Format
    • Reusable components
    • Prerequisites
    • JQuery and NWJS Packaging
    • Roadmap
      • Paper-editing Roadmap
      • Extra Features Roadmap
      • Future Roadmap
        • Live video editing
        • Social Media Export
        • Translate transcriptions
        • Web app
          • Multi-user collaboration
        • Searchable Editable Archive
        • NLP insights
        • Slack/Chat bot integration
        • Interactive dev tool
        • Phone mms integration with twillio
        • B-roll computational photography
    • Paper-editing Roadmap
    • Testing
    • Updating automated documentation
    • History of autoEdit versions over time
    • ffmpeg and ffprobe in electron
  • Appendix - Data structures
    • IBM Watson json specs
    • Gentle Json transcription specs
    • Pocketsphinx results
    • autoEdit transcription Json
  • QA List
    • QA Intro
    • QA Launch App
    • QA Transcriptions
    • QA Paperedits
    • QA Export
  • Methods
    • Example: Defining Methods
  • Adobe Panel
    • autoEdit Adobe CEP Panel dev setup
    • autoEdit Adobe CEP Panel integration overview
    • Adobe CEP Jsx functions for autoEdit adobe Panel
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On this page
  • Component/part description
  • Related projects
  • Implementations Options considered
  • Current implementation
  • What needs refactoring
  1. Transcriptions

Video preview conversion

Component/part description

Convert input video into lower res video preview. For hypertranscript view.

Related projects

NA

Implementations Options considered

initially converted to ogg video. Quality was very poor, so moved to webm.

Current implementation

Uses ffmpeg. Fluent, ffmpeg.

Eg using NWJS this needs to be webm coz mp4 not supported. Issue is making it cross browser compatible. Webm not supported by safari and iOS.

What needs refactoring

Not very fast, it be great to find a way to speed up the conversion in some way.

Perhaps test against ogg?

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Last updated 6 years ago