Class: Kja

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

Instance Method Summary collapse

Constructor Details

#initialize(audio_player: '/usr/bin/ogg123 -q', ogg_baseurl: 'http://a0.jamesrobertson.me.uk/' \ + 'rorb/r/ruby/kja/ogg', debug: false) ⇒ Kja

Returns a new instance of Kja.



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# File 'lib/kja.rb', line 31

def initialize(audio_player: '/usr/bin/ogg123 -q',
               ogg_baseurl: 'http://a0.jamesrobertson.me.uk/'  \
              + 'rorb/r/ruby/kja/ogg', debug: false)

  @ogg_baseurl, @audio_player = ogg_baseurl, audio_player
  @debug = debug

end

Instance Method Details

#download(s, outfile = nil) ⇒ Object

e.g. download ‘Eze 18, 30..32’ downloads the audio as an ogg file



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# File 'lib/kja.rb', line 72

def download(s, outfile=nil)

  puts 'downloading ...' if @debug

  a = KjReading.verses s

  downloads = a.map do |x|
    download_ogg(x.title)
  end

  puts 'converting to wav: ' + downloads.inspect if @debug

  dir = File.dirname(Tempfile.new.path)

  wavfiles = downloads.map do |oggfile|

    wavfile = oggfile.sub(/\.ogg$/,'.wav')
    EasyAudioUtils.new(oggfile, wavfile, working_dir: dir).convert
    sleep 1.4
    File.basename(wavfile)

  end

  puts 'concatenating wav files ...' if @debug

  # concat wav files
  #
  fullwavfile = Tempfile.new('kva').path + '.wav'
  puts 'creating fullwavfile:' + fullwavfile.inspect if @debug
  EasyAudioUtils.new(out: fullwavfile, working_dir: dir).concat(wavfiles,
                                                                sample_rate: 22050)

  # convert wav to ogg
  #
  fulloggfile = outfile || fullwavfile.sub(/\.wav$/, '.ogg')
  puts 'creating fulloggfile: ' + fulloggfile.inspect if @debug
  EasyAudioUtils.new(fullwavfile, fulloggfile).convert

  'downloaded ' + fulloggfile

end

#duration(s) ⇒ Object 



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# File 'lib/kja.rb', line 40

def duration(s)

  book_title, chapter_title, verse_no = fracture(s)

  url = @ogg_baseurl + '/' + File.join(book_title, chapter_title, 'dir.xml')

  dx = Dynarex.new url
  ogg = dx.find_by_name chapter_title + '_' + verse_no + '.ogg'
  ogg.description[/\d+\.\d+$/].to_f

end

#speak(title) ⇒ Object

e.g. speak ‘Eze 18, 30..32’ plays the audio of the title requested



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# File 'lib/kja.rb', line 55

def speak(title)

  a = KjReading.verses title

  a.each do |x|

    filename = download_ogg(x.title)
    command = @audio_player + ' ' + filename
    system command

  end

end