Class: Hindbaer::Session

Inherits:
Object
  • Object
show all
Defined in:
lib/hindbaer/session.rb

Instance Method Summary collapse

Constructor Details

#initialize(file) ⇒ Session

Returns a new instance of Session.



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# File 'lib/hindbaer/session.rb', line 4

def initialize(file)
  ::File.open(file, 'r') do |file|
    @doc = Nokogiri::XML(file)
  end
end

Instance Method Details

#audio_pool ⇒ Object 



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# File 'lib/hindbaer/session.rb', line 22

def audio_pool
  Hindbaer::AudioPool.new(@doc.at_css('AudioPool').dup.unlink)
end

#clipboard_groups ⇒ Object 



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# File 'lib/hindbaer/session.rb', line 30

def clipboard_groups
  @doc.css('Clipboard Group').map { |g| Hindbaer::Group.new(g.dup.unlink, self) }
end

#info ⇒ Object 



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# File 'lib/hindbaer/session.rb', line 18

def info
  Hindbaer::Info.new(@doc.at_css('Info').dup.unlink)
end

#length ⇒ Object 



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# File 'lib/hindbaer/session.rb', line 38

def length
  regions = tracks.map do |t| 
    t.regions.last
  end.compact
  
  regions.map do |r| 
    Hindbaer.tc_to_secs(r.start_time) + 
    Hindbaer.tc_to_secs(r.length)
  end.max
end

#markers ⇒ Object 



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# File 'lib/hindbaer/session.rb', line 34

def markers
  @doc.css('Markers Marker').map { |m| Hindbaer::Marker.new(m.dup.unlink) }
end

#sample_rate ⇒ Object 



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# File 'lib/hindbaer/session.rb', line 14

def sample_rate
  @doc.at_css('Session')['Samplerate']
end

#software_version ⇒ Object 



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# File 'lib/hindbaer/session.rb', line 10

def software_version
  @doc.at_css('Session')['Version']
end

#to_xml ⇒ Object 



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# File 'lib/hindbaer/session.rb', line 49

def to_xml
  Nokogiri::XML::Builder.new do |xml|
    xml.Session Version: software_version, Samplerate: sample_rate do
      xml.Info Subtitle: info.subtitle, Album: info.album, Composer: info.composer, Track: info.album_track, Genre: info.genre, Author: info.author, Link: info.link, Email: info.email, Description: info.description, Artist: info.artist, Date: info.date, Title: info.title, Explicit: info.explicit? ? 'YES' : 'NO', Copyright: info.copyright, Identifier: info.identifier, Keywords: info.keywords.join(', '), Reference: info.reference
      xml.AudioPool Path: audio_pool.path, Location: audio_pool.location do
        audio_pool.files.each do |file|
          xml.File Id: file.id, Name: file.name, Duration: file.duration, Channels: file.num_channels, Leq: file.leq do
            xml.MetaData OriginalPath: file.original_path
          end
        end
      end
      xml.Tracks do
        tracks.each do |track|
          xml.Track Name: track.name, Pan: track.pan do
            track.regions.each do |region|
              xml.Region Ref: region.reference.id, Name: region.name, Start: region.start_time, Length: region.length, Offset: region.offset, FadeIn: region.fade_in, FadeOut: region.fade_out, Gain: region.gain, Leq: region.leq do
                region.fades.each do |fade|
                  xml.Fade Start: fade.start_time, Length: fade.length, Gain: fade.gain
                end
              end
            end
            unless track.plugins.empty?
              xml.Plugins do
                track.plugins.each do |plugin|
                  case plugin.uid
                  when 'nheq'
                    xml.Plugin Id: plugin.id, Name: plugin.name, UID: plugin.uid, Bypass: plugin.bypass, LF_Freq: plugin.low_freq_freq, LF_Gain: plugin.low_freq_gain, LF_Q: plugin.low_freq_q, LF_Type: plugin.low_freq_type, MF_Freq: plugin.mid_freq_freq, MF_Gain: plugin.mid_freq_gain, MF_Q: plugin.mid_freq_q, HF_Freq: plugin.high_freq_freq, HF_Gain: plugin.high_freq_gain, HF_Q: plugin.high_freq_q, HF_Type: plugin.high_freq_type do
                      xml.cdata('')
                    end
                  when 'nhcl'
                    xml.Plugin Id: plugin.id, Name: plugin.name, UID: plugin.uid, Comp: plugin.comp
                  when 'nhlu'
                    xml.Plugin Id: plugin.id, Name: plugin.name, UID: plugin.uid
                  when 'nhft'
                    xml.Plugin Id: plugin.id, Name: plugin.name, UID: plugin.uid, LF_Freq: plugin.low_freq_freq, LF_Gain: plugin.low_freq_gain, LF_Q: plugin.low_freq_q, MF_Freq: plugin.mid_freq_freq, MF_Gain: plugin.mid_freq_gain, MF_Q: plugin.mid_freq_q, HF_Freq: plugin.high_freq_freq, HF_Gain: plugin.high_freq_gain, HF_Q: plugin.high_freq_q, HP_Freq: plugin.high_pass_freq, HP_Gain: plugin.high_pass_gain, Comp: plugin.comp
                  end
                end
              end
            end
          end
        end
      end
      xml.Clipboard do
        clipboard_groups.each do |group|
          xml.Group Caption: group.caption, Used: group.num_clips_used do
            group.clips.each do |clip|
              xml.Clip Ref: clip.reference.id, Name: clip.name, Length: clip.length, Leq: clip.leq
            end
          end
        end
      end
      xml.Markers do
        markers.each do |marker|
          xml.Marker Id: marker.id, Name: marker.name, Time: marker.time
        end
      end
    end
  end.to_xml
end

#tracks ⇒ Object 



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# File 'lib/hindbaer/session.rb', line 26

def tracks
  @doc.css('Tracks Track').map { |t| Hindbaer::Track.new(t.dup.unlink, self) }
end