Re: [Bug-gnupod] mktunes: Same settings & version, different databases

[H. Langos]

Hi Nuno,


On Mon, Sep 13, 2010 at 05:01:43PM +0100, Nuno J. Silva wrote:
> "H. Langos" <address@hidden> writes:
> 
> > Hi Nuno,
> >
> > Just a couple of questions...
> >
> > Which OS / distribution do those computers have.
> 
> Gentoo GNU/Linux. They are not both up-to-date, though, as I'm afraid
> some upgrade might have broken this (I'll try do some step-by-step
> updating today - basicly updates interleaved with mktunes.pl).

any luck with that?

> > Could you compare the iTunesDB files that mktunes produced in both
> > cases? Just a quick "ls -lsa iPod_control/iTunes" to start with.
> 
> Yes!
> 
> They are exactly the same size:
> 
> /mnt/ipod $ ls -la oldtunesdb-bad oldtunesdb-good 
> -rw------- 1 njsg njsg 659547 Set 13 16:27 oldtunesdb-bad
> -rw------- 1 njsg njsg 659547 Set 13 16:24 oldtunesdb-good
> 
> But they're really different - as these are binary files, I hexdumped -C
> them, and here is the diff
> 
>  $ diff oldtunesdb-good.ascii oldtunesdb-bad.ascii 
> 4,8c4
> < 00000030  01 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  
> |................|
> < 00000040  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  
> |................|
> < 00000050  00 00 00 00 00 00 00 00  30 69 78 e0 71 77 98 c7  
> |........0ix.qw..|
> < 00000060  c6 78 eb 38 99 ae 91 20  36 b0 f4 52 00 00 00 00  |.x.8... 
> 6..R....|
> < 00000070  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  
> |................|
> ---
> > 00000030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  
> > |................|
> 207a204,206
> > 00001000  00 00 00 00 00 00 00 00  b0 08 68 01 86 d3 51 01  
> > |..........h...Q.|
> > 00001010  3f 79 9d e5 00 00 00 00  00 00 00 00 00 00 00 00  
> > |?y..............|
> > 00001020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  
> > |................|
> 
> I don't know what the changes do, though.

If you could send me the iTunesDB file I could take a detailed look at them.

The difference really looks tiny. So it should be easy enough to find out
whats wrong. And I'll have to get a copy of the ipodlinux wiki. With the
format description of iTunesDB files.

Their site is down most of the time and I only get a google cached version
of somebody's local copy that was also retrieved from google cache...

cheers
-henrik