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1. GNUpod
2. Requirements
3. Installing GNUpod
4. Using GNUpod
5. Problems
A. GNU Free Documentation License
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2. Requirements What you will need to use GNUpod 3. Installing GNUpod How to install GNUpod and setup FireWire 4. Using GNUpod How to use the GNUpod-tools 5. Problems The FAQ
Appendices
A. GNU Free Documentation License This manual is under the GNU Free Documentation License.
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To use GNUpod, the follwing is needed:
GNUpod is known to run on GNU/Linux, FreeBSD, Darwin (Mac OSX) and Solaris 9.
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3.1 Installation of GNUpod How to install the Scripts 3.2 Using FireWire with GNU/Linux Setup FireWire on Linux 3.3 Convert your Mac iPod How to convert an HFS+ formatted iPod 3.4 Firmware update How to upgrade the Firmware using GNU/Linux
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The installation of GNUpod is very simple:
tar -xzvf gnupod-tools-VERSION.tar.gz cd gnupod-tools/ ./configure make install |
The configure script checks if the desired Perl modules are installed.
On Debian GNU/Linux you'll simply have to run this commands to install the required Perl modules:
apt-get install libfile-ncopy-perl apt-get install libmp3-info-perl apt-get install libunicode-string-perl apt-get install libxml-parser-perl apt-get install libxml-simple-perl |
If you are using a RPM-based Distribution (Mandrake, RedHat, SuSE..) try http://www.rpmfind.net.
Another way is to install the modules 'by hand'.
http://search.cpan.org
will help you to find the needed tarballs. If you don't know how to install them, please read
http://cpan.org/misc/cpan-faq.html#How_install_Perl_modules
(Maybe you'd like to use the CPAN-Shell.. google knows how to use it ;-) )
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Of course the Linux kernel must support FireWire. If the one you are using doesn't have FireWire support you'll have to recompile your Kernel. (It's also a good idea to update the Kernel when you are doing this...)
If you don't know how to compile the Linux kernel, please read http://www.kernelnewbies.org/faq/index.php3#compile
To get FireWire working, you should configure the Kernel like this:
Feel free to build OHCI-1394 into the kernel ('y'), but make sure to compile SBP-2 support as module. It won't work (good) if you say 'y' there! If you don't own an OHCI-1394 FireWire card you may need to use the LYNX driver instead. But OHCI-1394 is the most common used, please also have a look at http://www.linux1394.org
After you rebootet with the new Kernel, you should now be able to mount the iPod. First load the OHCI-1394 module if you did say 'm' to OHCI-1394 support.
modprobe ohci1394 |
Now plugin the iPod and wait until you can see the 'hook-symbol' and load the sbp2 module using
modprobe sbp2 |
Please keep in mind that FireWire support is still experimental and you may see Kernel Oopses and other nasty things. If your system hangs after loading sbp2 or mounting the iPod you may try to load sbp2 like this:
modprobe sbp2 sbp2_max_speed=0 sbp2_serialize_io=1 sbp2_force_inquiry_hack=1 |
This will slow down the transfer rate but should act much more stable. Note: Firewire works very good with Linux 2.6. If you have Problems with Linux 2.4, you may wan't to upgrade to 2.6 !
After loading sbp2, use dmesg to get some information, the output
should look like this (If you are running linux 2.4.20 or older)
SBP-2 module load options: - Max speed supported: S400 - Max sectors per I/O supported: 255 - Max outstanding commands supported: 8 - Max outstanding commands per lun supported: 1 - Serialized I/O (debug): no - Exclusive login: yes Vendor: Apple Model: iPod Rev: 1.21 Type: Direct-Access ANSI SCSI revision: 02 Attached scsi removable disk sdb at scsi1, channel 0, id 0, lun 0 SCSI device sdb: 9780750 512-byte hdwr sectors (5008 MB) sda: test WP failed, assume Write Enabled sda: sda1 sda2 |
In this case, /dev/sda would be your iPod.
Linux 2.4.21 (and newer) doesn't show such verbose output and your iPod
will not be detectet while loading sbp2. Simply run rescan-scsi-bus.sh.
It should find your iPod (See /proc/scsi/scsi).
(You can download 'rescan-scsi-bus.sh' at http://www.garloff.de/kurt/linux/rescan-scsi-bus.sh)
You can now mount the iPod:
mount -t vfat /dev/sda2 /mnt/ipod |
It's a good idea to add a line like this to the fstab
/dev/sda2 /mnt/ipod vfat defaults,user,noauto,umask=000 |
Note: Avoid adding the 'sync' mount-option for flash based iPods (Shuffle, Nano) because flash drives have a limited number of write cycles.
Note2: As you can see, we assume an FAT32/VFAT formatted iPod (-t
vfat), if you own a HFS+ formatted iPod (aka. Mac-iPod) please have a look at the
next section 'Convert your Mac iPod' before using mount.
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If the Operating System you are running doesn't have write support for HFS+ and your iPod is HFS+ Formatted (aka 'Mac-iPod') you will have to reformat the iPod.
Note: Linux 2.6.4 includes HFS+ Read/WRITE Support(!) It's still experimental and may do nasty things. (But it works well for me..) If you build your kernel with HFS+ support, you don't have to convert your iPod :)
Please note that you will need a fdisk for DOS-Style partitions, you will also need a kernel that supports Mac- (to read the firmware) and Dos-style (to access the device after converting it) partitions. If you are using GNU/Linux on x86, your fdisk should be fine, but if you are running GNU/Linux on (for example) PowerPC you may have to get a suitable fdisk from the util-linux package which can be retrieved from: ftp://ftp.kernel.org/pub/linux/utils/util-linux/
Compile and install the pc-fdisk (and only the pc-fdisk!)
tar -xjvf util-linux-X.XXx.tar.bz2 cd util-linux-X.XXx ./configure cd fdisk make cp fdisk /usr/sbin/pc-fdisk |
We assume your iPod at /dev/sda. (No, don't mount the iPod, simply plugin the iPod and make sure it
got detected with dmesg.
Here we go:
First, we 'backup' the current Firmware
dd if=/dev/sda2 of=backup_firmware |
This should result in a ~32Mb big file, now we have to kill the old partition map and force the kernel to re-read the new (empty) map
dd if=/dev/zero of=/dev/sda bs=1M count=10 rmmod sbp2 && insmod sbp2 |
Now we can use 'pc-fdisk' to create a new partition layout:
pc-fdisk /dev/sda [start fdisk] Command (m for help): n [make new partition] Command action e extended p primary partition (1-4) p we want primary Partition number (1-4): 1 First cylinder (1-608, default 1): [just press enter] Using default value 1 Last cylinder or +size or +sizeM or +sizeK (1-608, default 608): +32M [32M is the default for 1.x iPods] Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 2 First cylinder (6-608, default 6): 6 [Just use the default value, press ENTER (don't worry if it isn't 6)] Using default value 6 Last cylinder or +size or +sizeM or +sizeK (6-608, default 608): [press ENTER] Using default value 608 [If you don't own a 5gb iPod, this value will be different, don't care about it] Command (m for help): t [Modify type] Partition number (1-4): 1 Hex code (type L to list codes): 0 [we don't care about the warning below] Type 0 means free space to many systems (but not to Linux). Having partitions of type 0 is probably unwise. You can delete a partition using the `d' command. Changed system type of partition 1 to 0 (Empty) Command (m for help): t Partition number (1-4): 2 [this is where data will go] Hex code (type L to list codes): b [b=FAT32] Changed system type of partition 2 to b (Win95 FAT32) Command (m for help): w [Writing new partition. Can take a while.] The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. |
Note: The first partition doesn't have to be 32M, it just needs enought space to hold the firmware image (6M would be okay for firmware 130.bin). Now we can rewrite the Firmwarebackup we created above.
dd if=backup_firmware of=/dev/sda1 |
You may ask why we now write the Firmware to sda1 while we read it from sda2, the answear is simple: Before running fdisk, the iPod was a Mac-iPod with a different Partition layout, but now the iPod is a Windows-iPod, belive me: sda1 is correct.
After writing back the Firmware we can format the iPod:
mkfs.vfat -F 32 -n "LUNIX" /dev/sda2 |
"LUNIX" is the name of the iPod, you can use another name if you like. After mkfs.vfat is done, we remove sbp2:
rmmod sbp2 |
Unplug the iPod and pray. If everything went well, the iPod boots up :). If not, reread this section, if you are lost, feel free to drop me a mail: bug-gnupod@nongnu.org (Btw: If you can't get the iPod into diskmode again, try this: Reboot the iPod by pressing 'MENU+PLAY' ~ 5 seconds. While the iPod is booting, press (and hold) |<<+>>| (=Forced Diskmode))
It's a good idea to edit /etc/fstab and add a line for the iPod:
/dev/sda2 /mnt/ipod vfat defaults,user,noauto,umask=000 |
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** Don't update the Firmware just for fun, only do it if you need a new Firmware or/and the documentation told you to do this **
Note: This steps do not work on late 2007 iPods (such as Classic, Touch and 3th gen. Nano).
Setup Firewire (or USB) as described in 'Using FireWire with GNU/Linux', load the modules and make sure sbp2 detected your iPod.
Mount the iPod and run mktunes.pl to bring the device into a 'clean' state. Unmount the iPod after mktunes.pl finished
but do *not* unplug the iPod. Ready? Ok, we assume your iPod is /dev/sda:
First you need to get a new Firmware. Checkout the latest firmware list:
wget -O list.gz http://ax.phobos.apple.com.edgesuite.net//WebObjects/MZStore.woa/wa/com.apple.jingle.appserver.client.MZITunesClientCheck/version gunzip list.gz |
Open the list in a text editor and find the correct Fimrware-URL for iPod model:
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-3877.20070914.n9gGb/iPod_24.1.0.1.ipsw</string> iPod Classic (2007)
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2790.20061206.iPr9t/iPod_25.1.2.1.ipsw</string> iPod Video late 5th Gen (30 or 80 gb)
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-3878.20070914.P0omB/iPod_26.1.0.1.ipsw</string> ipod Nano 3th Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-3326.20070507.0Pm87/iPod_29.1.1.3.ipsw</string> iPod Nano 2nd Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-3316.20070618.9n1bC/iPod_130.1.0.3.ipsw</string> iPod Shuffle 2nd Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-3317.20070618.nBh6t/iPod_131.1.0.3.ipsw</string> iPod Shuffle 2nd Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2975.20061218.in8Uq/iPod_128.1.1.5.ipsw</string> iPod Shuffle 1st Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2692.20060912.pODcW/iPod_10.3.1.1.ipsw</string> iPod Clickwheel
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2694.20060912.ipDcD/iPod_11.1.2.1.ipsw</string> iPod Photo
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2788.20061206.nS1yA/iPod_13.1.2.1.ipsw</string> iPod 5th Gen.
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-3190.20070315.p0oj7/iPod_14.1.3.1.ipsw</string> iPod Nano 1st Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-3191.20070315.BgV6t/iPod_17.1.3.1.ipsw</string> iPod Nano 1st Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-3325.20070507.KnB7v/iPod_19.1.1.3.ipsw</string> iPod Nano 2nd Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2686.20060912.ipTsW/iPod_1.1.5.ipsw</string> Scroll-Wheel iPod (1st iPod ever)
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2687.20060912.IPwdC/iPod_2.2.3.ipsw</string> iPod 'Dock connector'
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2688.20060912.iDMni/iPod_3.1.4.1.ipsw</string> iPod mini 1st Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2691.20060912.ipDcw/iPod_4.3.1.1.ipsw</string> iPod Clickwheel
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2693.20060912.PdwCD/iPod_5.1.2.1.ipsw</string> iPod Photo
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2689.20060912.ipDmn/iPod_6.1.4.1.ipsw</string> iPod mini 1st Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2690.20060912.PdMin/iPod_7.1.4.1.ipsw</string> iPod mini 2nd Generation (?)
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2953.20061218.yRet5/iPod_129.1.1.5.ipsw</string> iPod Shuffle 1st Generation
<string>http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2789.20061206.9IIut/iPod_20.1.2.1.ipsw</string> iPod 5th Gen.
|
Download the correct firmware image of your iPod (http://docs.info.apple.com/article.html?artnum=61688 should help you identify our iPod model) and extract it:
# Example for ipod photo: iPod_11.1.2.1.ipsw : 11 = Model (Photo) 1.2.1 = Firmware version
wget http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPod/SBML/osx/bundles/061-2694.20060912.ipDcD/iPod_11.1.2.1.ipsw
unzip iPod_11.1.2.1.ipsw
Archive: iPod_11.1.2.1.ipsw
inflating: Firmware-11.4.2.1
inflating: manifest.plist
|
Ok, we are now ready to write the new firmware to the iPod.
If your iPod is HFS+ Formatted (your kernel supports 'mac-style' partitions??), use
dd if=Firmware-11.4.2.1 of=/dev/sda2 # <-- this is the extracted image, do NOT write the .ipsw file! sync |
to upgrade the Firmware. If you own a FAT32 Formatted iPod (most common), use
dd if=Firmware-11.4.2.1 of=/dev/sda1 # <-- this is the extracted image, do NOT write the .ipsw file! sync |
After dd finished (it can take some time), run a sync and unplug the iPod.
Please note: Your Warranty Is Now Void ;-)
And please don't blame me if your iPod dies...
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4.1 Preparation How to mount and prepare the iPod for GNUpod 4.2 Configuration Learn about the Configuartion File 4.3 Add files How to add MP3 files to the iPod 4.4 Search files How to search for files on the iPod 4.5 Remove files How to delete files on the iPod 4.6 Edit tags How to change/edit/rename 4.7 Creating playlists How to create a playlist 4.8 Dealing with podcasts How to create a podcast playlist 4.9 Adding cover artwork How to edit/add artwork. 4.10 Unplug the iPod How to unplug the iPod (Not a joke.. read it) 4.11 Recovering files How to rebuild the Database if you lost the iTunesDB & GNUtunesDB 4.12 Coexistence iTunes/Music Match/xtunes/Ehpod user? Read this! 4.13 Late 2007 iPods Information about iPod Classic, Touch and 3th gen Nano
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Mount the iPod (i assume you mount it at /mnt/ipod) as described in 'Using FireWire with GNUpod'
If the iPod is freshly formatted or you never used GNUpod before with this iPod, run
gnupod_INIT.pl -m /mnt/ipod |
gnupod_INIT.pl will create the default directory tree and creates an empty GNUtunesDB (or if it finds an iTunesDB, it runs tunes2pod.pl to convert the iTunesDB to an GNUtunesDB)
Use
gnupod_INIT.pl -m /mnt/ipod --france |
if you would like to enable the 'EU-Volume-Limit' (=decrase max. volume). This only works for iPods running Firmware 1.x
Your iPod is now ready for GNUpod!
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(Note: You don't need to bother about the Configfile. GNUpod works fine without it, but it could make your life easier)
GNUpod >= 0.95 can read a simple Configfile. An example comes with GNUpod, see doc/gnupodrc.example
Edit this file and save it as ~/.gnupodrc or on your iPod (iPod_Control/.gnupod/gnupodrc)
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To add files, we use the script called gnupod_addsong.pl.
First, mount the iPod (eg. at /mnt/ipod) if it isn't mounted.
If you would like to add the file /tmp/foo.mp3, run gnupod_addsong.pl like this:
gnupod_addsong.pl -m /mnt/ipod /tmp/foo.mp3 |
You can also use wildcards:
gnupod_addsong.pl -m /mnt/ipod /mnt/mp3/seiken_densetsu2_ost/* /mnt/mp3/xenogears/ost?/* |
It isn't possible to add the same MP3 multiple times, gnupod_addsong.pl detects duplicates (Duplicate = same filesize/time and ID3Tag name). You can disable the duplicate-detection with the '--duplicate' switch.
gnupod_addsong.pl understands MP3/WAV (RIFF) and M4A (Apple AAC - NO DRM!) files.
It can also convert FLAC and OGG files on-the-fly:
Using this example, it would convert the two files into MP3 and add them to the iPod.
gnupod_addsong.pl -m /mnt/ipod myfile.flac myfile.ogg --decode=mp3 |
(Note: To use all features of --decode, you will have to install Audio::FLAC::Header, Ogg::Vorbis::Header::PurePerl, lame, flac, oggenc and faac)
gnupod_addsong.pl tries to 'auto-detect' the encoding of the ID3 Tag. Sometimes this works (in most cases ;) ) sometimes it doesn't. If it doesn't work for you, feel free do send me an example-file: pab@blinkenligts.ch
DO NOT umount the iPod yet! First read the section 'Unplug the iPod'!
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GNUpod includes a tool called gnupod_search.pl which helps you searching for files.
Maybe you would like to search for the artist called 'Schlummiguch'. In this case, run
gnupod_search.pl -m /mnt/ipod -a "Schlummiguch" |
Note: gnupod_search.pl assumes RegExp input.
Please have a look at gnupod_search.pl --help for more information.
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Removing files is done using gnupod_search.pl -d.
To Remove all files from the artist 'Schlummiguch', run
gnupod_search.pl -m /mnt/ipod -a "Schlummiguch" -d |
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You can use gnupod_search.pl to edit tags (like artist, album, etc..)
gnupod_search.pl --artist="Alfred Neumann" --rename="artist=John Doe" --rename="rating=100" |
This example searches all files from 'Alfred Neumann', changes the artist into 'Johne Doe' and sets the rating to 5 Stars (5*20=100)
Don't forget to run mktunes.pl!
You could also edit the GNUtunesDB.xml with a text editor :-)
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Open the file iPod_Control/.gnupod/GNUtunesDB in a editor (It's a XML File).
To create a playlist named 'sweet' which holds the songs with the ID 1 and 2, create something like this:
<playlist name="sweet"> <add id="1" /> <add id="2" /> </playlist> |
You are not limited to use 'id', you can also use other attributes:
<playlist name="bogus"> <add album="seiken densetsu" bitrate="256" /> </playlist> |
Since GNUpod 0.26 it's also possible to use Regular Expressions (Regex).
See perldoc perlre to learn more about this
<playlist name="Regex Demo"> <regex album="^A" /> <iregex album="^b" /> </playlist> |
<regex is case sensitive, use <iregex to do case insensitive matching.
It's also possible to sort a playlist:
<playlist name="By Album" sort="album"> <regex artist="bach" /> </playlist> |
This adds all songs from Bach, sorted by album (a..z). You can use every
<file ..> item (id, bitrate, title..) for sort.
Add 'reverse ' at the beginning, to reverse the sorting:
<playlist name="By Title" sort="reverse title"> <regex artist="U2" /> </playlist> |
You can also use Smart-Playlists with Firmware >= 2.x
<smartplaylist checkrule="spl" liveupdate="1" name="Example SPL1" > <spl action="eq" field="playcount" string="0" /> <spl action="IS" field="artist" string="Jon Doe" /> </smartplaylist> <smartplaylist checkrule="spl" liveupdate="1" name="Example SPL2" > <spl action="gt" field="bitrate" string="311" /> </smartplaylist> |
'Example SPL1' matches all songs from 'Jon Doe' with playcount==0 (= All songs from Jon Doe never played until yet) 'Example SPL2' matches all songs with a Bitrate > 331. (See also README.smartplaylists)
For more examples have a look at doc/gnutunesdb.example included in the GNUpod tarball.
Also checkout http://blinkenlights.ch/gnupod/mkspl.html for a 'JavaScript SPL-Creator'
You can also use the --playlist option of gnupod_addsong.pl. This will create and add the listed songs to the named playlist.
Don't forget to run mktunes before umounting! (See 'Unplug the iPod')
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To create a podcast playlist you just need to set the podcast flag to '1':
<playlist name="Test Podcast" podcast="1"> <iregex artist="John Doe" /> </playlist> |
Such a playlist will show up as a Podcast after running mktunes.pl
gnupod_addsong.pl can also download podcasts and create such playlists itself:
gnupod_addsong.pl -p "Heute Morgen" --playlist-is-podcast http://pod.drs.ch/heutemorgen_mpx.xml |
Running this command will create a Playlist called 'Heute Morgen' (-p) and set podcast="1" (--playlist-is-podcast).
gnupod_addsong.pl will then fetch the podcast from http://pod.drs.ch/heutemorgen_mpx.xml, download all (new) files
and add them to the 'Heute Morgen' playlist!
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GNUpod can write cover artwork for video, nano and late 2007-nano iPods. The internal image format is model specific, so you should give GNUpod a hint about the image format it should use.
If you own a video (compatible) iPod, set:
model = video |
model = nano |
model = nano_3g |
To specify a cover while adding files you'd use the --artwork switch of gnupod_addsong.pl. Example:
gnupod_addsong.pl --artwork cover.jpg *.mp3 |
Use gnupod_search.pl to change/add artwork for existing files. Example:
# Set cover.jpg as artwork for all songs that match album =~ /Katamari/i gnupod_search.pl --artwork cover.jpg --album Katamari |
don't forget to run mktunes.pl afterwards.
Note: Artwork added by GNUpod may vanish after using iTunes: GNUpod does not inject the artwork into the id3-header of the file. If iTunes finds such a file (while scanning / changing tags) the artwork may get dropped.
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Before umounting the iPod, you have to call mktunes.pl which will
parse the GNUtunesDB XML file and convert it into the iTunesDB format.
Simply run
mktunes.pl -m /mnt/ipod |
Note: Since GNUpod 0.91, mktunes.pl has a '--volume' option which you can use to boost the Volume.
mktunes.pl -m /mnt/ipod --volume 40 |
This would adjust the volume +40 percent. (You can also use '-100' to get a silent iPod ;) )
After mktunes.pl is done, you can umount the iPod and remove the sbp2 module
umount /mnt/ipod rmmod sbp2 |
Added songs won't be visible on the iPod if you did not run mktunes.pl before umounting the iPod.
(If you forgot to run mktunes.pl before unpluging/umounting, simply mount the iPod again and run it)
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If your computer crashed while uploading/deleting songs, you may have some 'zombie' files.
In this case, you can use 'gnupod_check.pl' to search 'lost' files. gnupod_check.pl will tell you what you could do to fix it.
If gnupod_check.pl found many errors (or you lost your GNUtunesDB.xml),
you can 'rebuild' an GNUtunesDB using gnupod_addsong.pl
gnupod_addsong.pl --restore -m /mnt/ipod |
First, it will create a clean, empty GNUtunesDB, it won't delete any songs on the iPod.
Then, gnupod_addsong.pl --restore will re-create a GNUtunesDB including the Songs which are on the iPod
I think nobody will ever have to do this.. but it maybe usefull to know that it's possible (Note: Of course you'll lose your Playlists)
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GNUpod can coexist with iTunes and other programs for the iPod.
If you want to use an iPod with GNUpod and used something other than GNUpod (maybe iTunes)
to perform the last update (adding songs, editing playists.. doing something..), you'll have to
use tunes2pod.pl to update the (outdatet) GNUtunesDB.
Mount the iPod and run
tunes2pod.pl -m /mnt/ipod |
The iPod is now ready again for GNUpod.
You have to do this because GNUpod stores it's information in the GNUtunesDB, other programs are accessing the
iTunesDB directly. After you did something with eg. iTunes, the GNUtunesDB would be 'outdatet' and you would
lose any changes you made with iTunes. Running tunes2pod.pl will write a new GNUtunesDB which
reflects the content of the current iTunesDB.
You sould avoid the use of 'extended playlist support' if you use your iPod with other programs.
The Playlist part of this file...
<files> <file id="1" title="hello" album="foo".. <file id="2" title="boing" album="foo".. </files> <playlist name="extended"> <add album="foo" /> </playlist> |
..would look like this after using tunes2pod.pl
... <playist name="extended"> <add id="1" /> <add id="2" /> </playlist> |
The songs are still in the playlists, but the expressions you wrote are 'lost'.
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Late 2007 iPod models (3gen Nano, Classic, Touch) refuse to work unless the iTunesDB has been signed with a sha1 hash.
This hash helps to detect corrupted databases, prevents sharing an iTunesDB between multiple iPods and locks out
non-apple software. GNUpod is able to create the required hash value if it knows the iPods serial number, this is a 16 chars long hex
value such as: 000ba3100310abcf and should be autodetected on GNU/Linux (via /proc/bus/usb/devices) and Solaris (via prtconf -v).
If GNUpod somehow fails to find the correct serial number of your iPod you'll have to specify the correct value using the --fwguid switch
of mktunes.pl.
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5.1 GNUtunesDB What is the GNUtunesDB? 5.2 Get rid of '-m' You don't like the -m switch? 5.3 Known bugs and limitations GNUpod isn't perfect :) 5.4 Reporting Bugs How to report a Bug
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We talked alot about the 'GNUtunesDB' and the 'iTunesDB' files, but why do we need this two files and what's the difference ?
Well, you can find the iTunesDB on your iPod at iPod_Control/iTunes/iTunesDB .
This file is read by the iPod when you 'boot' the device.
The iTunesDB is a small Database and stores information about all MP3s on the iPod
(Title, Artist, Path, Bitrate...) and all Playlists: everything the iPod needs to know.
The iTunesDB is a proprietary file format created by Apple.
The GNUtunesDB (iPod_Control/.gnupod/GNUtunesDB) holds the same information like
the iTunesDB, but it's a simple XML file: easy to understand by humans and easy to edit by hand.
Everytime you run tunes2pod.pl, the iTunesDB will get parsed and converted into an
XML File (the GNUtunesDB).
mktunes.pl does the opposite: it parses the XML file and creates an iTunesDB (for the
iPod and iTunes)
Only mktunes.pl and tunes2pod.pl have to worry about the iTunesDB format: all other tools (gnupod_addsong.pl for example) only have to deal with the XML file called GNUtunesDB.
It's important to keep the iTunesDB and GNUtunesDB 'in sync', so everytime you changed the
GNUtunesDB (by hand or using gnupod_something.pl) you'll have to run mktunes.pl.
If 'you' changed the iTunesDB (using gtkPod/iTunes/Ehpod), run tunes2pod.pl *before*
using any other GNUpod commands.
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You don't have to use the '-m' switch if you set IPOD_MOUNTPOINT. (Example for the BASH)
export IPOD_MOUNTPOINT="/mnt/ipod" |
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To report a bug, send a mail to bug-gnupod@nongnu.org
Include as much information as possible.
You may want to attach the files iPod_Control/.gnupod/GNUtunesDB and iPod_Control/iTunes/iTunesDB. But please use gzip or bzip2 to compress the files.
Please do not send me any mp3 files without asking me.
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1. GNUpod
2. Requirements
3. Installing GNUpod
4. Using GNUpod
5. Problems
A. GNU Free Documentation License
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