Difference between revisions of "Dvdbackup"

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[[Category:Audio/Video]]
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{{DISPLAYTITLE:dvdbackup}}
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[[Category:Multimedia]]
{{Article summary start}} {{DISPLAYTITLE:dvdbackup}}
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[[ja:Dvdbackup]]
{{Article summary text|An introduction to the {{ic|dvdbackup}} utility, with examples.}}
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{{Related articles start}}
{{Article summary heading|Related}}
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{{Related|Optical disc drive}}
{{Article summary wiki|DVD}}
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{{Related articles end}}
{{Article summary wiki|DVD Ripping}}
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{{Article summary wiki|DVD Burning}}
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{{Article summary end}}
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There are several ways to backup DVD videos; see [[DVD Ripping]]. Many methods are slow, and require several steps to accomplish. {{Pkg|dvdbackup}} provides a simpler method (with some help from {{Pkg|dvdauthor}}). The {{ic|dvdbackup}} program is elegant because it does not demux/remux/transcode/reformat the movie. This means the backup process is done in one step.  
 
There are several ways to backup DVD videos; see [[DVD Ripping]]. Many methods are slow, and require several steps to accomplish. {{Pkg|dvdbackup}} provides a simpler method (with some help from {{Pkg|dvdauthor}}). The {{ic|dvdbackup}} program is elegant because it does not demux/remux/transcode/reformat the movie. This means the backup process is done in one step.  
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== Installation ==
 
== Installation ==
  
[[pacman|Inatell]] {{Pkg|dvdbackup}} from the [[official repositories]].
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[[Install]] {{Pkg|dvdbackup}} from the [[official repositories]].
  
 
{{Pkg|dvdauthor}} is available in the official repositories, but it is only required if backing up specific titles or title sets.
 
{{Pkg|dvdauthor}} is available in the official repositories, but it is only required if backing up specific titles or title sets.
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== Writing to disc ==
 
== Writing to disc ==
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{{Merge|Optical Disc Drive}}
  
 
See [[DVD Writing]].
 
See [[DVD Writing]].
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  $ mkisofs -dvd-video -udf -o ~/dvd.iso ~/dvd # if a single title was extracted
 
  $ mkisofs -dvd-video -udf -o ~/dvd.iso ~/dvd # if a single title was extracted
  
or:
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or the following if the whole DVD was extracted:
 
  $ mkisofs -dvd-video -udf -o ~/dvd.iso ~/''movie_name''
 
  $ mkisofs -dvd-video -udf -o ~/dvd.iso ~/''movie_name''
  

Latest revision as of 12:55, 9 January 2016

Related articles

There are several ways to backup DVD videos; see DVD Ripping. Many methods are slow, and require several steps to accomplish. dvdbackup provides a simpler method (with some help from dvdauthor). The dvdbackup program is elegant because it does not demux/remux/transcode/reformat the movie. This means the backup process is done in one step.

Installation

Install dvdbackup from the official repositories.

dvdauthor is available in the official repositories, but it is only required if backing up specific titles or title sets.

libdvdcss is available in the official repositories and is required to read encrypted DVDs.

Examining the DVD

First, determine which title to backup. The following command retrieves information about the DVD:

$ dvdbackup -i /dev/dvd -I

After some less useful information, dvdbackup will display something similar to the following:

$ dvdbackup -i /dev/sr0 -I
[...]

Main feature:
	Title set containing the main feature is  1
	The aspect ratio of the main feature is 16:9
	The main feature has 1 angle(s)
	The main feature has 1 audio_track(s)
	The main feature has 2 subpicture channel(s)
	The main feature has a maximum of 28 chapter(s) in on of it's titles
	The main feature has a maximum of 6 audio channel(s) in on of it's titles

This indicates that the main feature is in title set 1. Next a list of title sets is displayed:

$ dvdbackup -i /dev/sr0 -I
[...]

Title Sets:

	Title set 1
		The aspect ratio of title set 1 is 16:9
		Title set 1 has 1 angle(s)
		Title set 1 has 1 audio_track(s)
		Title set 1 has 2 subpicture channel(s)

		Titles included in title set 1 is/are
			Title 1:
				Title 1 has 28 chapter(s)
				Title 1 has 6 audio channle(s)

The main feature in this example is title 1. Sometimes a title set will include more than one title, sometimes not. Title sets can also include menus, which will no longer work if not backing up the entire DVD.

Ripping the DVD

Tip: dvdbackup reads the name of the DVD and creates a working directory for it. If dvdbackup decides the name of the DVD is too generic (like "MOVIE", for instance), the user must specify a name, as it will refuse to run otherwise. Just use -n movie_name to specify.
Note: If you receive an error such as "ERR: no video format specified for VMGM" you must set the video format variable. An easy way to do this is to add export VIDEO_FORMAT=NTSC (for NTSC regions) to your ~/.bashrc.

A single title

The -t option allows you to extract a specific title:

$ dvdbackup -i /dev/dvd -o ~ -t 1

You will now see a number of VOB files on the hard drive (in ~/movie_name/VIDEO_TS). These files can be played in MPlayer or VLC, but are insufficient to create a DVD copy. This is where dvdauthor is useful.

A title set must now be created (e.g. VTS_01_0.IFO and VTS_01_0.BUP). Be aware that the following command will make a copy of the entire movie. The original can be deleted right afterwards.

$ mkdir ~/dvd
$ cd ~/movie_name/VIDEO_TS
$ dvdauthor -t -o ~/dvd *.VOB

dvdauthor will create a copy of the movie. If it outputs anything like "SCR moves backwards, remultiplex input" there might be trouble. Before deleting any files, check the file sizes of the original VOB files compared to the copied ones. If all roughly the same size, you may be alright. You can use MPlayer to test the affected VOB files to see if anything is missing.

Now, table of contents files must be created (e.g. VIDEO_TS.IFO and VIDEO_TS.BUP). This is much less time-consuming, and does not waste hard drive space:

$ cd ~/dvd/VIDEO_TS
$ dvdauthor -o ~/dvd -T

The main feature

The -F option automatically detects the main feature, though not always correctly, and copies the entire title set:

$ dvdbackup -i /dev/dvd -o ~ -F

Now, table of contents files must be created (e.g. VIDEO_TS.IFO and VIDEO_TS.BUP):

$ cd ~/movie_name/VIDEO_TS
$ dvdauthor -o ~/movie_name -T

The whole DVD

The -M option will backup the entire DVD structure, including menus, special features, etc. This requires approximately 7 GB of disk space for most DVDs:

$ dvdbackup -i /dev/dvd -o ~ -M

Writing to disc

Merge-arrows-2.pngThis article or section is a candidate for merging with Optical Disc Drive.Merge-arrows-2.png

Notes: please use the second argument of the template to provide more detailed indications. (Discuss in Talk:Dvdbackup#)

See DVD Writing.

Creating an ISO

The advantage of creating the ISO file is that you can test that everything works fine with MPlayer before continuing. The disadvantage is that the ISO consumes hard drive space.

$ mkisofs -dvd-video -udf -o ~/dvd.iso ~/dvd # if a single title was extracted

or the following if the whole DVD was extracted:

$ mkisofs -dvd-video -udf -o ~/dvd.iso ~/movie_name

To test the image with MPlayer, simply:

$ mplayer dvd:// -dvd-device ~/dvd.iso

If everything seems fine, burn the image:

$ growisofs -Z /dev/dvd=~/dvd.iso
Tip: growisofs is part of the dvd+rw-tools package.

Burning straight to DVD

If confident in our skills, creating and testing an image is a waste of time and hard drive space! Basically, one can merge the mkisofs with the growisofs command listed above:

$ growisofs -dvd-video -udf -Z /dev/dvd ~/dvd # if a single title was extracted

or:

$ growisofs -dvd-video -udf -Z /dev/dvd ~/movie_name