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 13

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

Instance Method Details

#pull_cue_points(target_library_path, device) ⇒ Object

: (String target_library_path, Device device) -> void



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# File 'lib/wavesync/scanner.rb', line 111

def pull_cue_points(target_library_path, device)
  start_time = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  path_resolver = PathResolver.new(@source_library_path, target_library_path, device)
  @ui.pull_progress(0, @audio_files.size, device)

  @audio_files.each_with_index do |file, index|
    audio = Audio.new(file)
    source_format = audio.format
    @ui.file_progress(file)

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

    @ui.pull_progress(index, @audio_files.size, device)
  end

  puts
  system('sync')
  elapsed = Process.clock_gettime(Process::CLOCK_MONOTONIC) - start_time
  Logger.log_run_time(elapsed)
end

#sync(target_library_path, device, pad: false, staged: false, mp3_bitrate: 192, &on_file_synced) ⇒ Object

: (String target_library_path, Device device, ?pad: bool, ?staged: bool, ?mp3_bitrate: Integer) ?{ (String) -> void } -> void



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# File 'lib/wavesync/scanner.rb', line 22

def sync(target_library_path, device, pad: false, staged: false, mp3_bitrate: 192, &on_file_synced)
  start_time = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  target_library_pathname = Pathname.new(target_library_path)
  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)
    bpm = audio.bpm

    source_format = audio.format
    target_format = device.target_format(source_format, file)
    target_format = target_format.with(sample_rate: nil, bit_depth: nil) if source_format.file_type == 'mp3' && target_format.file_type.nil?

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

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

    if target_format.file_type || target_format.sample_rate || target_format.bit_depth || padding_seconds
      target_ext = target_format.file_type || source_format.file_type
      transliterated_metadata = {} #: Hash[String, String]
      transliterated_metadata = audio.transliterated_tag_changes if device.transliterate_metadata && target_ext == 'mp3'
      converted = @converter.convert(audio, file, path_resolver, source_format, target_format,
                                     padding_seconds: padding_seconds,
                                     metadata: transliterated_metadata,
                                     mp3_bitrate: mp3_bitrate,
                                     before_transcode: -> { @ui.conversion_progress(source_format, target_format, mp3_bitrate) }) do |local_temp_path|
        inject_acid_bpm(local_temp_path, bpm, device)
        inject_cue_points(local_temp_path, audio, source_format, target_format)
      end
      converted_target_path = path_resolver.resolve(file, audio, target_file_type: target_format.file_type)
      verify_written(converted_target_path, source: file) if converted
      final_target_path = converted_target_path
    else
      if device.bpm_source == :acid_chunk && bpm && File.extname(file).downcase == '.wav'
        target_path = path_resolver.resolve(file, audio)
        files_to_cleanup = path_resolver.find_files_to_cleanup(target_path, audio)
        files_to_cleanup.each { |cleanup_file| FileUtils.rm_f(cleanup_file) }
        if target_path.exist?
          copied = false
        else
          target_path.dirname.mkpath
          AcidChunk.write_bpm(file, target_path.to_s, bpm)
          verify_written(target_path, source: file)
          copied = true
        end
      else
        copied = copy_file(audio, file, path_resolver)
        target_path = path_resolver.resolve(file, audio)
        if copied
          verify_written(target_path, source: file)
          inject_transliterated_metadata(target_path.to_s, device)
        end
      end
      final_target_path = target_path
      @ui.copy(source_format)
    end

    if !copied && !converted
      skipped_count += 1
      @ui.skip(staged: staged)
    end

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

    if on_file_synced && final_target_path
      relative_path = final_target_path.relative_path_from(target_library_pathname).to_s
      on_file_synced.call(relative_path)
    end
  end

  puts
  system('sync')
  elapsed = Process.clock_gettime(Process::CLOCK_MONOTONIC) - start_time
  Logger.log_run_time(elapsed)
end