Class: RademadeAdmin::VideoService

Inherits:
Object
  • Object
show all
Defined in:
app/services/video_service.rb

Instance Method Summary collapse

Constructor Details

#initialize(file_path) ⇒ VideoService

Returns a new instance of VideoService.



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# File 'app/services/video_service.rb', line 4

def initialize(file_path)
  @file_path = file_path
end

Instance Method Details

#duration_in_seconds ⇒ Object 



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# File 'app/services/video_service.rb', line 14

def duration_in_seconds
  output = `ffmpeg -i #{@file_path} 2>&1 | grep 'Duration' | cut -d ' ' -f 4 | sed s/,//`
  if output =~ /([\d][\d]):([\d][\d]):([\d][\d]).([\d]+)/
    (($1.to_i * 60 + $2.to_i) * 60 + $3.to_i) + ($4.to_i / 100)
  else
    nil
  end
end

#take_random_screenshot(thumb_path) ⇒ Object 



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# File 'app/services/video_service.rb', line 8

def take_random_screenshot(thumb_path)
  duration = duration_in_seconds
  screenshot_time = 1 + (duration.nil? ? 0 : Random.rand(duration - 1))
  `ffmpeg -ss #{screenshot_time} -i #{@file_path} -f image2 -vframes 1 #{thumb_path}`
end