Module: VideoTranscoding::HandBrake

Extended by:
HandBrake
Included in:
HandBrake
Defined in:
lib/video_transcoding/handbrake.rb

Constant Summary collapse

COMMAND_NAME = 
'HandBrakeCLI'

Instance Method Summary collapse

Instance Method Details

#aac_encoder ⇒ Object 



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# File 'lib/video_transcoding/handbrake.rb', line 43

def aac_encoder
  properties = Tool.properties(COMMAND_NAME)
  return properties[:aac_encoder] if properties.has_key? :aac_encoder
  output = ''

  begin
    IO.popen([Tool.use(COMMAND_NAME), '--help'], :err=>[:child, :out]) { |io| output = io.read }
  rescue SystemCallError => e
    raise "#{COMMAND_NAME} AAC encoder unknown: #{e}"
  end

  fail "#{COMMAND_NAME} failed during execution" unless $CHILD_STATUS.exitstatus == 0

  if output =~ /ca_aac/
    properties[:aac_encoder] = 'ca_aac'
  else
    properties[:aac_encoder] = 'av_aac'
  end
end

#command_name ⇒ Object 



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# File 'lib/video_transcoding/handbrake.rb', line 39

def command_name
  Tool.use(COMMAND_NAME)
end

#setup ⇒ Object 



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# File 'lib/video_transcoding/handbrake.rb', line 13

def setup
  Tool.provide(COMMAND_NAME, ['--preset-list']) do |output, status, _|
    fail "#{COMMAND_NAME} failed during execution" unless status == 0

    if output =~ /^HandBrake ([^ ]+)/
      version = $1
      Console.info "#{$MATCH} found..."

      unless  (version =~ /^([0-9]+)\.([0-9]+)/ and (($1.to_i * 100) + $2.to_i) >= 10) or
              (version =~ /^svn([0-9]+)/ and $1.to_i >= 6536)
        fail "#{COMMAND_NAME} version 0.10.0 or later required"
      end
    end
  end

  begin
    IO.popen([Tool.use(COMMAND_NAME), '--version'], :err=>[:child, :out]) do |io|
      if io.read =~ /^HandBrake ([^ ]+)/
        Console.info "#{$MATCH.strip} found..."
      end
    end
  rescue SystemCallError => e
    raise "#{COMMAND_NAME} failed during execution: #{e}"
  end
end