v7.1.3.2 - Show latest stable - 0 notes - Superclass: Analyzer

Active Storage Video Analyzer

Extracts the following from a video blob:

  • Width (pixels)

  • Height (pixels)

  • Duration (seconds)

  • Angle (degrees)

  • Display aspect ratio

  • Audio (true if file has an audio channel, false if not)

  • Video (true if file has an video channel, false if not)

Example:

ActiveStorage::Analyzer::VideoAnalyzer.new(blob).metadata
# => { width: 640.0, height: 480.0, duration: 5.0, angle: 0, display_aspect_ratio: [4, 3], audio: true, video: true }

When a video’s angle is 90, -90, 270 or -270 degrees, its width and height are automatically swapped for convenience.

This analyzer requires the FFmpeg system library, which is not provided by Rails.

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