Class: TranscodingMachine::MediaFormat

Inherits:
Object
  • Object
show all
Defined in:
lib/transcoding_machine/media_format.rb

Direct Known Subclasses

AudioFormat, VideoFormat

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ MediaFormat

Returns a new instance of MediaFormat.



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# File 'lib/transcoding_machine/media_format.rb', line 8

def initialize(args)
  @fixed_criteria = []
  @priority = args[:priority]
  @id = args[:id]
  @suffix = args[:suffix]
  @mime_type = args[:mime_type]
  @command = args[:command]
  @criteria = args[:criteria] || []
end

Instance Attribute Details

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/transcoding_machine/media_format.rb', line 6

def command
  @command
end

#criteria ⇒ Object (readonly)

Returns the value of attribute criteria.



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# File 'lib/transcoding_machine/media_format.rb', line 6

def criteria
  @criteria
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/transcoding_machine/media_format.rb', line 6

def id
  @id
end

#mime_type ⇒ Object (readonly)

Returns the value of attribute mime_type.



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# File 'lib/transcoding_machine/media_format.rb', line 6

def mime_type
  @mime_type
end

#priority ⇒ Object (readonly)

Returns the value of attribute priority.



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# File 'lib/transcoding_machine/media_format.rb', line 6

def priority
  @priority
end

#suffix ⇒ Object (readonly)

Returns the value of attribute suffix.



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# File 'lib/transcoding_machine/media_format.rb', line 6

def suffix
  @suffix
end

Class Method Details

.best_match_for(media_file_attributes, sorted_formats) ⇒ Object 



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# File 'lib/transcoding_machine/media_format.rb', line 43

def self.best_match_for(media_file_attributes, sorted_formats)
  sorted_formats.first {|f| f.can_transcode?(media_file_attributes)}
end

.type_cast_attribute_value(key, value) ⇒ Object 



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# File 'lib/transcoding_machine/media_format.rb', line 26

def self.type_cast_attribute_value(key, value)
  case Server::MediaFileAttributes::FIELD_TYPES[key]
  when :boolean
    (value.to_s.downcase == 'true' || value.to_s == '1')
  when :string
    value.to_s
  when :integer
    value.to_i
  when :float
    value.to_f
  when :codec
    value.to_sym
  else
    raise "unknown key (#{key}) for MediaFormat attribute"
  end
end

Instance Method Details

#can_transcode?(media_file_attributes) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/transcoding_machine/media_format.rb', line 22

def can_transcode?(media_file_attributes)
  
end

#matches(media_file_attributes) ⇒ Object 



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# File 'lib/transcoding_machine/media_format.rb', line 18

def matches(media_file_attributes)
  (@fixed_criteria + @criteria).all? { |c| c.matches(media_file_attributes) }
end