Class: Dvdvrconv::Dvdvr

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Dvdvr

Returns a new instance of Dvdvr.



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# File 'lib/dvdvrconv/dvdvr.rb', line 47

def initialize
  @vrdisc = Vrdisc.new(nil)

  if RUBY_PLATFORM =~ /mswin(?!ce)|mingw|cygwin/
    @vrdisc.opts_ifo = Dvdvrconv::WIN_DRV_IFO
    @vrdisc.opts_vro = Dvdvrconv::WIN_DRV_VRO
    @vrdisc.cmd = Dvdvrconv::WIN_DRV_CMD
  else
    @vrdisc.opts_ifo = Dvdvrconv::DRV_IFO
    @vrdisc.opts_vro = Dvdvrconv::DRV_VRO
    @vrdisc.cmd = Dvdvrconv::DRV_CMD
  end

  @vrdisc.default_opts_ifo = @vrdisc.opts_ifo
  @vrdisc.default_opts_vro = @vrdisc.opts_vro
  @vrdisc.default_cmd = @vrdisc.cmd
  @vrdisc.concat_mode = Dvdvrconv::DEFAULT_CONCAT_MODE
  @vrdisc.hardware_encode = Dvdvrconv::DEFAULT_HARDWARE_ENCODE
  @vrdisc.global_quality = Dvdvrconv::DEFAULT_GLOBAL_QUALITY
  @vrdisc.h264_crf = Dvdvrconv::DEFAULT_H264_CRF
end

Instance Attribute Details

#vrdisc ⇒ Object

Returns the value of attribute vrdisc.



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# File 'lib/dvdvrconv/dvdvr.rb', line 45

def vrdisc
  @vrdisc
end

Instance Method Details

#adjust_title ⇒ Object

Add sequence number to the duplicate title name. Replace white space in the title with underscore.

required value:

@vrdisc.title

Output values:

=> @vrdisc.duplicate_name
=> @vrdisc.output_title


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# File 'lib/dvdvrconv/dvdvr.rb', line 166

def adjust_title
  output_title = []
  duplicate_names = []
  dup_counter = 0

  # Extract duplicate names from title.
  dup = @vrdisc.title.select { |x| @vrdisc.title.count(x) > 1 }

  @vrdisc.title.each_index do |idx|
    # Replace white space in the title with underscore.
    new_name = @vrdisc.title[idx][0].gsub(/\s/, "_")

    # Add sequential numbers to duplicate name.
    if dup.include?(@vrdisc.title[idx])
      dup_counter += 1
      output_title << format('%s_%02d', new_name, dup_counter)
      duplicate_names << new_name
    else
      output_title << format('%s', new_name)
    end
    dup_counter = 0 if dup_counter == @vrdisc.title.count(@vrdisc.title[idx])
  end

  @vrdisc.duplicate_name = duplicate_names.select do |x|
    duplicate_names.count(x) > 1
  end.uniq

  @vrdisc.output_title = output_title
end

#change_to_title_name ⇒ Object

Change the file name to the title name

required value:

@vrdisc.title

Output values:

=> @vrdisc.vob_titles


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# File 'lib/dvdvrconv/dvdvr.rb', line 213

def change_to_title_name
  vob_titles = []

  @vrdisc.title.size.times do |x|
    src = format('%s#%03d', Dvdvrconv::BASE_NAME, x + 1) + '.vob'
    dst = @vrdisc.output_title[x] + '.vob'
    vob_titles << [src, dst]
  end

  @vrdisc.vob_titles = vob_titles
end

#concat_titles(concat_list) ⇒ Object

Concatenate Split Titles. This method uses FFmpeg's media file concatenation feature.

required Argument:

concat_list

concat_list is Array. Includes file_name, contents, base_name.

concat_list = [[file_name, contents, base_name], [file_name, contents, base_name]. .... ]

Parameters:

  • file_name (String) —

    concat list name.

  • contents (String) —

    concatenate file names.

  • base_name (String) —

    output vob name.



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# File 'lib/dvdvrconv/dvdvr.rb', line 348

def concat_titles(concat_list)
  puts '----- Concatenate Split Titles -----'
  concat_list.each do |list|
    file_name, contents, base_name = list
    File.write(file_name, contents)
    puts "concat list= #{file_name}"

    cmd = str_concat_cmd(file_name, base_name)
    puts '----- concat vob files -----'
    puts "run cmd:\n  #{cmd.join(' ')}"
    system(*cmd)

    begin
      File.delete(file_name)
    rescue
      p $!
    end
  end
end

#customize_title(base_dst_name, number_list = []) ⇒ Object

customize the title of vob files.

If specify individual file names. Write "base_dst_name" as an Array.

base_dst_name = ["name_one", "name_two"]
number_list = []
=> ["name_one", "name_two"]

If add a sequence number to the file name. Write "base_dst_name" as String.

base_dst_name = "output_name_"
number_list = []
=> ["output_name_01", "output_name_02", ...]

If specify sequence numbers individually. Write "base_dst_name" as String and Write "number_list" as an Array.

base_dst_name = "output_name_"
number_list = [12, 13, 14, 15]
=> ["output_name_12", "output_name_13", "output_name_14", "output_name_15"]

required Argument, value:

base_dst_name, number_list,
@vrdisc.title

Output values:

=> @vrdisc.vob_titles


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# File 'lib/dvdvrconv/dvdvr.rb', line 253

def customize_title(base_dst_name, number_list = [])
  vob_titles = []

  if @vrdisc.concat_mode == true
    titels = @vrdisc.title.uniq.flatten
  else
    titels = @vrdisc.output_title
  end

  titels.each_with_index do |title, idx|
    src = title.gsub(/\s/, '_') + '.vob'

    case base_dst_name
    when Array
      dst_name = base_dst_name[idx]
    when String
      if number_list.size.zero?
        dst_name = base_dst_name + format('_%02d', idx + 1)
      else
        case number_list[idx]
        when Numeric
          dst_name = base_dst_name + format('_%02d', number_list[idx])
        when String
          dst_name = base_dst_name + format('_%s', number_list[idx])
        end
      end
    end

    dst = dst_name + '.vob'
    vob_titles << [src, dst]
  end

  @vrdisc.vob_titles = vob_titles
end

#debug_view_vrdisc ⇒ Object 



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# File 'lib/dvdvrconv/dvdvr.rb', line 400

def debug_view_vrdisc
  @vrdisc.members.each do |member|
    puts "#{member} => #{@vrdisc[member]}"
  end
end

#ffmeg_normal_cmd(file_name) ⇒ Object

File convert command, vob to mp4 for FFmpeg.

  • Change the aspect ratio to 16:9.
  • Delete a closed caption.
  • Use deinterlace (bwdif)
  • Use Constant Rate Factor mode insted of CBR mode
  • Use analyze and probe option


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# File 'lib/dvdvrconv/dvdvr.rb', line 85

def ffmeg_normal_cmd(file_name)
  Shellwords.shellsplit(%(ffmpeg -analyzeduration 2000M -probesize 2G -i "#{file_name}.vob" -vf "bwdif=0:-1:0,crop=704:474:0:0,scale=704:480,setdar=16/9" -c:v libx264 -crf "#{@vrdisc.h264_crf}" -preset medium -bsf:v "filter_units=remove_types=6" -map 0:v:0 -map 0:a:0 -c:a copy "#{file_name}.mp4"))
end

#ffmpeg_qsv_cmd(file_name) ⇒ Object

File convert command, vob to mp4 for FFmpeg.

  • FFmpeg with QSV(Intel Quick Sync Video)
  • Change the aspect ratio to 16:9.
  • Delete a closed caption.
  • Support for FFmpeg 8
  • Software decode, cropp and deinterlace + h264 qsv(LA_ICQ) encode
  • Use ICQ Look_ahead mode
  • Use analyze and probe option


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# File 'lib/dvdvrconv/dvdvr.rb', line 97

def ffmpeg_qsv_cmd(file_name)
  Shellwords.shellsplit(%(ffmpeg -analyzeduration 2000M -probesize 2G -i "#{file_name}.vob" -vf "bwdif=0:-1:0,crop=704:474:0:0,scale=704:480,setdar=16/9" -c:v h264_qsv -global_quality "#{@vrdisc.global_quality}" -look_ahead 1 -look_ahead_depth 30 -aspect 16:9 -bsf:v "filter_units=remove_types=6" -map 0:v:0 -map 0:a:0 -c:a copy "#{file_name}.mp4"))
end

#make_concat_list ⇒ Object

Make a list of file names to concatenate.

required values:

@vrdisc.duplicate_name, @vrdisc.output_title


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# File 'lib/dvdvrconv/dvdvr.rb', line 316

def make_concat_list
  concat_list = []

  @vrdisc.duplicate_name.each do |base_name|
    contents = ''
    file_name = "concat_#{base_name}.txt"

    names = @vrdisc.output_title.select { |x| x.match(/#{base_name}_\d\d/) }
    names.each do |line|
      escaped_line = "#{line}.vob".gsub("'") {"'\\''"}
      contents += "file '#{escaped_line}'\n"
    end
    concat_list << [file_name, contents, base_name]
  end

  concat_list
end

#read_info ⇒ Object

Read video information from dvd-ram discs in dvd-vr format.

required values:

@vrdisc.cmd, @vrdisc.opts_ifo

Get values of the video information:

=> @vrdisc.header
=> @vrdisc.num
=> @vrdisc.title
=> @vrdisc.date
=> @vrdisc.size


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# File 'lib/dvdvrconv/dvdvr.rb', line 124

def read_info
  out, err, status = Open3.capture3(@vrdisc.cmd, @vrdisc.opts_ifo)
  puts "File read error => #{err}" unless status.success?
  @vrdisc.header = out.scan(/^(.*?)Number/m)

  # Sets the captured information to @vrdisc.
  %w[num title date size].each do |item|
    str = format("%-5s", item) + ":"
    @vrdisc[item] = out.scan(/#{str}\s(.*?)$/)
  end

  out
end

#rename_vob ⇒ Object

Rename vob file to a customized title name.

required value:

@vrdisc.vob_titles

Parameters:

  • file_titles (String) —

    is Array. Includes pair of source and destination filename.

    • [[src, dst], [src, dst], [src, dst], ....]


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# File 'lib/dvdvrconv/dvdvr.rb', line 296

def rename_vob
  puts '----- output vob file -----'

  @vrdisc.vob_titles.each do |file_title|
    src, dst = file_title

    if File.exist?("#{dst}")
      puts "Skip => file #{dst} is exist."
    else
      File.rename(src, dst)
      puts "  file name: #{dst}"
    end
  end
end

#str_concat_cmd(file_name, base_name) ⇒ Object

Make a concatenation command string for FFmpeg.



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# File 'lib/dvdvrconv/dvdvr.rb', line 75

def str_concat_cmd(file_name, base_name)
  Shellwords.shellsplit(%(ffmpeg -f concat -safe 0 -i "#{file_name}" -c copy "#{base_name}.vob"))
end

#str_convert_cmd(file_name) ⇒ Object

File convert command, vob to mp4 for FFmpeg.



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# File 'lib/dvdvrconv/dvdvr.rb', line 102

def str_convert_cmd(file_name)
  if @vrdisc.hardware_encode == 'qsv'
    ffmpeg_qsv_cmd(file_name)
  elsif @vrdisc.hardware_encode == 'normal'
    ffmeg_normal_cmd(file_name)
  else
    ffmeg_normal_cmd(file_name)
  end
end

#str_dvdvr_cmd ⇒ Object

Read VRO file from dvd-ram disc in dvd-vr format, and output vob files.



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# File 'lib/dvdvrconv/dvdvr.rb', line 70

def str_dvdvr_cmd
  Shellwords.shellsplit(%("#{@vrdisc.cmd}" --name="#{Dvdvrconv::BASE_NAME}" "#{@vrdisc.opts_ifo}" "#{@vrdisc.opts_vro}"))
end

#view_info ⇒ Object

View video information from dvd-ram discs in dvd-vr format.

required values:

@vrdisc.header, @vrdisc.num, @vrdisc.title,
@vrdisc.date, @vrdisc.size


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# File 'lib/dvdvrconv/dvdvr.rb', line 144

def view_info
  puts '----- view dvd-vr info -----'
  puts @vrdisc.header
  [@vrdisc.num, @vrdisc.title, @vrdisc.date, @vrdisc.size].transpose.each do |x|
    %w[num title date size].each_with_index do |item, idx|
      line = format('%-5s', item) + ": #{x.flatten[idx]}\n"
      puts line
    end
    puts '-'
  end
end

#vob2mp4 ⇒ Object

convert vob to mp4.

required Values:

@vrdisc.vob_titles


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# File 'lib/dvdvrconv/dvdvr.rb', line 381

def vob2mp4
  files = []

  @vrdisc.vob_titles.each do |vob_title|
    files << vob_title[1].gsub(/.vob/, '')
  end

  files.each do |file_name|
    if File.exist?("#{file_name}.mp4")
      puts "Skip => file #{file_name}.mp4 is exist."
    else
      cmd = str_convert_cmd(file_name)
      puts "----- convert #{file_name}.vob to mp4 file -----"
      puts "run cmd:\n  #{cmd.join(' ')}"
      system(*cmd)
    end
  end
end

#vrdisc_status ⇒ Object 



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# File 'lib/dvdvrconv/dvdvr.rb', line 368

def vrdisc_status
  puts "\n< < < < < @vrdisc status > > > > >"
  %w[num title output_title duplicate_name vob_titles concat_mode hardware_encode global_quality h264_crf].each do |item|
    puts "#{item}=> #{@vrdisc[item]}"
  end
  puts "< < < < < @vrdisc status > > > > >\n"
end

#vro2vob ⇒ Object

Read VRO file from dvd-ram disc in dvd-vr format, and output vob files.



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# File 'lib/dvdvrconv/dvdvr.rb', line 197

def vro2vob
  cmd = str_dvdvr_cmd
  puts '----- convert file VRO to VOB -----'
  puts "> cmd:\n  #{cmd.join(' ')}"
  system(*cmd)
  puts ''
end