Class: ActiveStorage::Analyzer::AudioAnalyzer

Inherits:
ActiveStorage::Analyzer show all
Defined in:
activestorage/lib/active_storage/analyzer/audio_analyzer.rb

Overview

Extracts duration (seconds) and bit_rate (bits/s) from an audio blob.

Example:

ActiveStorage::Analyzer::AudioAnalyzer.new(blob).
# => { duration: 5.0, bit_rate: 320340 }

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

Instance Attribute Summary

Attributes inherited from ActiveStorage::Analyzer

#blob

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ActiveStorage::Analyzer

analyze_later?, #initialize

Constructor Details

This class inherits a constructor from ActiveStorage::Analyzer

Class Method Details

.accept?(blob) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'activestorage/lib/active_storage/analyzer/audio_analyzer.rb', line 13

def self.accept?(blob)
  blob.audio?
end

Instance Method Details

#metadataObject


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# File 'activestorage/lib/active_storage/analyzer/audio_analyzer.rb', line 17

def 
  { duration: duration, bit_rate: bit_rate }.compact
end