Class: AudioOutput

Inherits:
Object show all
Defined in:
lib/audio_output.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AudioOutput

Returns a new instance of AudioOutput.



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# File 'lib/audio_output.rb', line 10

def initialize()
    @snddists = []
    @outfile = nil
    @filelist= FileList.new
    @percent_complete = 0
end

Instance Attribute Details

#filelist ⇒ Object

add all other fls to this



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# File 'lib/audio_output.rb', line 3

def filelist
  @filelist
end

#outfile ⇒ Object

Returns the value of attribute outfile.



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# File 'lib/audio_output.rb', line 6

def outfile
  @outfile
end

#percent_complete ⇒ Object

of file write



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# File 'lib/audio_output.rb', line 8

def percent_complete
  @percent_complete
end

#snddists ⇒ Object

this didn’t need to be an array, but maybe use it for track mixing?



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# File 'lib/audio_output.rb', line 5

def snddists
  @snddists
end

Instance Method Details

#make_audio_file ⇒ Object 



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# File 'lib/audio_output.rb', line 25

def make_audio_file
  log "phase 2 of 2: merging all tmp files into #{App::EXT} file. == #{App.time_since}", 2
  frames_index = 0
  len = 0 
  # get max len
  snddists.each { |sn| len = sn.len if sn.len > len }
  len = len.round
  fout = App.open_w_audiofile outfile
  App.checks = 0 # for performance testing
  last_jump=0
  while frames_index < len
    
    if frames_index + App::CHUNK_SIZE >= len
      # set jump to finish it off since it's under chunk size
      rest = len - frames_index #1 min, chunk_size max.
      jump = rest
      log "capping chunk size at #{jump}", 4
    else
      jump=App::CHUNK_SIZE
    end

    values_for_write = []
#      while values_for_write.count < jump
    # if frames_index-last_jump >= jump
    #   puts "frames index was #{frames_index} jump was #{jump}"
    #   puts "jump neeeds to be > #{frames_index-last_jump}"
    #   jump = App::CHUNK_SIZE
    # end

    # jump=frames_index+10000

    while frames_index-last_jump < jump
      # minimize if too big
      if frames_index-last_jump+jump > len
        jump = len-frames_index-last_jump
        log "minimizing this chunk to #{jump}", 4          
      end
      log "CHUNK_@#{frames_index} asked for #{jump}.  total: #{len}", 4
      values = filelist.root_get_value(frames_index,jump)#, jump)+
      # if values.count==0
      #   puts "VALUES RETURNED 0"
      #   frames_index = len # end this shit
      # end
      # puts "CHUNK recieved #{values.count} "
#        puts "--> read #{values.join(', ')}"
      values_for_write+= values
#        puts "____#{found_vals}"
#        values.add_e found_vals
      # raise " couldn't find a value... fuck." if found_val.nil?
      # print percent
      frames_index += values.count
      App.logger.print_loading_bar(frames_index, len, percent_complete, 50)
      self.percent_complete = ((frames_index.to_f/len)*100)
      # values=nil
      # GC.start
    end
    last_jump=frames_index
    # puts "--> to write: #{values_for_write.count} #{frames_index} #{len}"
    App.write_to_audiofile fout, values_for_write if values_for_write.count>0
    # values_for_write=nil
    # GC.start
  end
  App.close_write fout
  log "performed #{App.checks} lookup checks.", 4
  print_tail_info len
end

#print_tail_info(total_frames) ⇒ Object 



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# File 'lib/audio_output.rb', line 101

def print_tail_info total_frames
  time_taken = App.time_since
  log 'wrote file: ' + outfile, 2
  log 'seconds: ' + (total_frames.to_f / Composer.samplerate).round(2).to_s +
   " (frames: #{(total_frames/1000).round},000)", 2
  log 'time taken: ' + time_taken.round(2).to_s + 
   " seconds (fps: #{(total_frames/time_taken/1000).round()},000)", 2
  #end the very last line 
  puts ""
end

#render ⇒ Object 



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# File 'lib/audio_output.rb', line 16

def render
  log "phase 1 of 2: render sounds", 2
  App.done=0
  App.total=0
  snddists.each {|snddist| App.total+=snddist.tally_frames}
#    puts "App.total #{App.total}" # Only for progress bar
  snddists.each {|snddist| self.filelist.addlist snddist.render }
  log "phase 1 complete.", 2
end

#write_text_files(file = nil) ⇒ Object 



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# File 'lib/audio_output.rb', line 91

def write_text_files file=nil
  file = App.outpath + "save.rb" if file.nil?
  log "state save to file #{file}", 2
  File.open(file, 'w') do |file|  
    # snddists.each do |snddist|
    #   file.puts YAML::dump(snddist)
    # end
      file.puts YAML::dump(self)
  end
end