Class: AppleTvConverter::MediaConverterAdapter

Inherits:
Object
  • Object
show all
Includes:
AppleTvConverter
Defined in:
lib/apple_tv_converter/media_converter_adapter.rb

Constant Summary

Constants included from AppleTvConverter

Timer, VERSION

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from AppleTvConverter

atomic_parsley_binary, atomic_parsley_binary=, copy, data_path, get_language_name, is_macosx?, is_windows?, logger, logger=, mp4box_binary, mp4box_binary=

Constructor Details

#initialize(options) ⇒ MediaConverterAdapter

Returns a new instance of MediaConverterAdapter.



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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 7

def initialize(options)
  self.conversion_options = options
end

Instance Attribute Details

#conversion_options ⇒ Object

Returns the value of attribute conversion_options.



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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 5

def conversion_options
  @conversion_options
end

Instance Method Details

#add_subtitles(media) ⇒ Object

Raises:

  • (NotImplementedYetException) 


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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 188

def add_subtitles(media)
  raise NotImplementedYetException
end

#add_to_itunes(media) ⇒ Object

Raises:

  • (NotImplementedYetException) 


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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 202

def add_to_itunes(media)
  raise NotImplementedYetException
end

#clean_up(media) ⇒ Object 



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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 206

def clean_up(media)
  printf "* Cleaning up"
  begin
    if media.needs_transcoding?
      FileUtils.rm media.original_filename

      if media.converted_filename_equals_original_filename?
        FileUtils.mv media.converted_filename, media.original_filename
      end
    end

    # Always clean up subtitles and artwork, and backup
    FileUtils.rm(media.artwork_filename) if File.exists?(media.artwork_filename)
    FileUtils.rm_r list_files(media.original_filename.gsub(File.extname(media.original_filename), '*.srt'))
    FileUtils.rm(media.backup_filename) if File.exists?(media.backup_filename)

    puts " [DONE]"
  rescue
    puts " [ERROR]"
  end
end

#download_subtitles(media, languages) ⇒ Object 



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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 20

def download_subtitles(media, languages)
  AppleTvConverter::SubtitlesFetcher::Opensubtitles.new(languages, self.conversion_options.download_subtitles_username, self.conversion_options.download_subtitles_password) do |fetcher|
    if fetcher.has_found_subtitles?(media)
      printf "* Downloading subtitles#{%Q[ using user "#{self.conversion_options.download_subtitles_username}"] unless self.conversion_options.download_subtitles_username.nil?}"
      status = {
        :total => 0,
        :ok => 0,
        :error => 0
      }

      fetcher.download_subtitles media do |step, subtitles, message|
        case step
          when :search          then puts %Q[ (#{subtitles.map { |l, subs| "#{subs.count} #{AppleTvConverter.get_language_name(l)}" }.join(', ') })]
          when :downloading
            status[:total] += 1
            printf "  * Downloading: \##{subtitles['IDSubtitleFile']} (#{AppleTvConverter.get_language_name(subtitles['SubLanguageID'])}) - #{subtitles['SubFileName']}"
          when :downloaded      then
            status[:ok] += 1
            puts " [DONE]"
          when :download_failed then
            status[:error] += 1
            puts " [ERROR - #{message}]"
        end
      end

      if status[:total] == status[:ok]
        puts "  * All subtitles downloaded"
      elsif status[:total] == status[:error]
        puts "  * Couldn't download any subtitle"
      else
        puts "  * Downloaded #{status[:ok]} of #{status[:total]} subtitles"
      end
    else
      puts "* No subtitles found to download"
    end
  end
end

#extract_subtitles(media, languages) ⇒ Object 



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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 58

def extract_subtitles(media, languages)
  puts "* Extracting subtitles"

  languages.map!(&:to_sym)

  if media.has_embedded_subtitles?(languages)
    last_destination_filename = nil

    options = "-scodec subrip"

    media.ffmpeg_data.streams.each do |stream|
      next unless stream.type == :subtitle && (languages.empty? || languages.include?(stream.language.to_sym))
      filename = File.join(File.dirname(media.original_filename), "#{File.basename(media.original_filename).gsub(File.extname(media.original_filename), %Q[.#{stream.stream_number}.#{stream.language}.srt])}")

      begin
        printf "  * #{File.basename(filename)}: Progress:     0%"
        start_time = Time.now.to_i
        transcoded = media.ffmpeg_data.transcode(filename, "#{options} -map #{stream.input_number}:#{stream.stream_number}", :validate_output => false) do |progress|
          elapsed = Time.now.to_i - start_time
          printf "\r" + (" " * 40)
          printf "\r  * #{File.basename(filename)}: Progress: #{(progress * 10000).round.to_s.gsub(/(\d{2})$/, '.\1').gsub(/^\./, '0.').rjust(6)}%% (#{(elapsed / 60).to_s.rjust(2, '0')}:#{(elapsed % 60).to_s.rjust(2, '0')})     "
        end
        puts ""
      rescue Interrupt
        puts "\nProcess canceled!"
        exit!
      end
    end

    puts "  * Extracted all subtitles"
  else
    puts "  * No subtitles to extract"
  end
end

#get_metadata(media) ⇒ Object 



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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 192

def get_metadata(media)
  has_metadata = Metadata::TvDb.search(media, conversion_options.interactive) if media.is_tv_show_episode?
  has_metadata = Metadata::MovieDb.get_metadata(media, conversion_options.interactive) unless media.is_tv_show_episode?
  has_metadata ||= Metadata::Imdb.get_metadata(media, conversion_options.interactive)
end

#rename_to_plex_format(media) ⇒ Object 



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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 228

def rename_to_plex_format(media)
  printf "* Renaming to PLEX format"
  begin
    plex_format_filename = media.plex_format_filename
    FileUtils.mv(media.converted_filename_equals_original_filename? ? media.original_filename : media.converted_filename, plex_format_filename) unless media.converted_filename == plex_format_filename

    puts " [DONE]"
  rescue => e
    puts " [ERROR]"
  end
end

#search_subtitles(media, languages) ⇒ Object 



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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 11

def search_subtitles(media, languages)
  # Load the subtitles into memory and get IMDB id from them
  AppleTvConverter::SubtitlesFetcher::Opensubtitles.new(languages, self.conversion_options.download_subtitles_username, self.conversion_options.download_subtitles_password) do |fetcher|
    fetcher.search_subtitles media do |subtitles|
      media.imdb_id = subtitles.first['IDMovieImdb'] if media.imdb_id.nil? || media.imdb_id.to_s.strip == ''
    end
  end
end

#tag(media) ⇒ Object

Raises:

  • (NotImplementedYetException) 


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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 198

def tag(media)
  raise NotImplementedYetException
end

#transcode(media, languages = nil) ⇒ Object 



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# File 'lib/apple_tv_converter/media_converter_adapter.rb', line 93

def transcode(media, languages = nil)
  if media.needs_transcoding? || needs_transformation?(media)
    puts "* Transcoding"

    options = {}
    options[:codecs] = get_transcode_options(media)
    options[:files] = ""
    options[:metadata] = ""
    options[:map] = ""
    options[:extra] = ""

    # Better video and audio transcoding quality
    if media.needs_video_conversion?
      options[:extra] << " #{get_transcoded_dimensions_options(media)} -mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300 -pass 1 -q:v 1 -r 23.98 -pix_fmt yuv420p"
    end

    if media.needs_audio_conversion?
      if media.ffmpeg_data.audio_codec =~ /mp3/i
        # Ensure that destination audio bitrate is 128k for Stereo MP3 (couldn't convert with higher bitrate)
        audio_bitrate = 128 if media.ffmpeg_data.audio_channels == 2
      elsif media.ffmpeg_data.audio_codec =~ /pcm_s16le/i
        # Ensure that destination audio bitrate is 128k for PCM signed 16-bit little-endian (couldn't convert with higher bitrate)
        audio_bitrate = 128
      elsif media.ffmpeg_data.audio_codec =~ /ac3/i
        # Ensure that maximum destination audio bitrate is 576k for AC3 (couldn't convert with higher bitrate)
        audio_bitrate = [media.ffmpeg_data.audio_bitrate || 576, 576].min
      end

      audio_bitrate ||= media.ffmpeg_data.audio_bitrate || 448

      options[:extra] << " -af volume=2.000000" # Increase the volume when transcoding
      options[:extra] << " -ac #{get_transcoded_audio_channels(media)} -ar #{media.ffmpeg_data.audio_sample_rate}"
      options[:extra] << " -ab #{[audio_bitrate, (media.ffmpeg_data.audio_bitrate || 1000000)].min}k"
    end

    # Ensure the languages are 'stored' as symbols, for comparison
    languages = (languages || []).map(&:to_sym)

    # If we're filtering by language, ensure that unknown and undetermined language
    # streams are also mapped
    languages += [nil, :und, :unk] if languages.any?

    # If the file has more than one audio track, map all tracks but subtitles when transcoding
    if media.audio_streams.length > 0
      # Check whether to filter audio tracks (ie, we have at least one of the languages we're filtering)
      filter_by_language = false

      if languages.any?
        media.streams.each do |stream|
          if stream.type == :audio && languages.include?(stream.language ? stream.language.to_sym : stream.language)
            filter_by_language = true
            break
          end
        end
      end

      media.streams.each do |stream|
        options[:map] << " -map #{stream.input_number}:#{stream.stream_number}" if stream.type == :video || (stream.type == :audio && (!filter_by_language || languages.include?(stream.language ? stream.language.to_sym : stream.language)))
      end
    end

    options = "#{options[:files]} #{options[:codecs]} #{options[:map]} #{options[:metadata]} #{options[:extra]}"

    transcoded = nil

    begin
      start_time = Time.now.to_i
      transcoded = media.ffmpeg_data.transcode(media.converted_filename, options) do |progress|
        elapsed = Time.now.to_i - start_time
        printf "\r" + (" " * 40)
        printf %Q[\r  * Progress: #{(progress * 10000).round.to_s.gsub(/(\d{2})$/, '.\1').gsub(/^\./, '0.').rjust(6)}%% (#{(elapsed / 60).to_s.rjust(2, '0')}:#{(elapsed % 60).to_s.rjust(2, '0')})]
      end
    rescue Interrupt
      puts "\nProcess canceled!"
      exit!
    end

    status = transcoded.valid?

    printf "\r" + (" " * 40)

    if status
      puts "\r  * Progress: [DONE]#{' ' * 20}"
    else
      puts "\r  * Progress: [ERROR]#{' ' * 20}"
      exit!
    end
  else
    puts "* Encoding: [UNNECESSARY]"
    status = true
  end

  return status
end