Class: Wavesync::Scanner

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

Instance Method Summary collapse

Constructor Details

#initialize(source_library_path) ⇒ Scanner

: (String source_library_path) -> void



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# File 'lib/wavesync/scanner.rb', line 11

def initialize(source_library_path)
  @source_library_path = File.expand_path(source_library_path) #: String
  @audio_files = find_audio_files #: Array[String]
  @ui = Wavesync::UI.new #: UI
  @converter = FileConverter.new #: FileConverter
  FFMPEG.logger = Logger.new(File::NULL)
end

Instance Method Details

#sync(target_library_path, device, pad: false) ⇒ Object

: (String target_library_path, Device device, ?pad: bool) -> void



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# File 'lib/wavesync/scanner.rb', line 20

def sync(target_library_path, device, pad: false)
  path_resolver = PathResolver.new(@source_library_path, target_library_path, device)
  skipped_count = 0
  conversion_count = 0
  @ui.sync_progress(0, @audio_files.size, device)

  @audio_files.each_with_index do |file, index|
    audio = Audio.new(file)

    source_format = audio.format
    target_format = device.target_format(source_format, file)

    padding_seconds = nil #: Numeric?
    original_bars = nil #: Integer?
    target_bars = nil #: Integer?
    if pad && device.bar_multiple
      padding_seconds = TrackPadding.compute(audio.duration, audio.bpm, device.bar_multiple)
      original_bars, target_bars = TrackPadding.bar_counts(audio.duration, audio.bpm, device.bar_multiple) unless padding_seconds.zero?
      padding_seconds = nil if padding_seconds.zero?
    end

    @ui.bpm(audio.bpm, original_bars: original_bars, target_bars: target_bars)
    @ui.file_progress(file)

    if source_format.file_type == 'wav'
      prospective_target_path = path_resolver.resolve(file, audio, target_file_type: target_format.file_type)
      if prospective_target_path.extname.downcase == '.wav' && prospective_target_path.exist?
        target_cue_points = CueChunk.read(prospective_target_path.to_s)
        if target_cue_points.any?
          source_cue_points = audio.cue_points
          audio.write_cue_points(target_cue_points) unless same_cue_points?(source_cue_points, target_cue_points)
        end
      end
    end

    if target_format.file_type || target_format.sample_rate || target_format.bit_depth || padding_seconds
      converted = @converter.convert(audio, file, path_resolver, source_format, target_format,
                                     padding_seconds: padding_seconds) do
        @ui.conversion_progress(source_format, target_format)
      end
      target_path = path_resolver.resolve(file, audio, target_file_type: target_format.file_type)
    else
      copied = copy_file(audio, file, path_resolver)
      @ui.copy(source_format)
      target_path = path_resolver.resolve(file, audio)
    end

    bpm = audio.bpm
    if (copied || converted) && device.bpm_source == :acid_chunk && bpm && target_path.extname.downcase == '.wav'
      temp_path = "#{target_path}.tmp"
      AcidChunk.write_bpm(target_path.to_s, temp_path, bpm)
      FileUtils.mv(temp_path, target_path.to_s)
    end

    if converted && source_format.file_type == 'wav' && target_path.extname.downcase == '.wav'
      source_cue_points = audio.cue_points
      if source_cue_points.any?
        rescaled_cue_points = rescale_cue_points(source_cue_points, audio.sample_rate, target_format.sample_rate || audio.sample_rate)
        temp_path = "#{target_path}.tmp"
        CueChunk.write(target_path.to_s, temp_path, rescaled_cue_points)
        FileUtils.mv(temp_path, target_path.to_s)
      end
    end

    if !copied && !converted
      skipped_count += 1
      @ui.skip
    end

    conversion_count += 1 if converted
    @ui.sync_progress(index, @audio_files.size, device)
  end

  puts
  system('sync')
end