Re: [Gtkpod-devel] libgpod 0.8.2 not working with ipod nano 5th gen

[Jan K. <JKu...@Ja...>]

Hi again,

maybe someone could have a closer look into the method "ItdbChecksumType 
itdb_device_get_checksum_type (const Itdb_Device *device)" inside 
"itdb_device.c".

The first "switch" checks for the "db_version" and returns 
"ITDB_CHECKSUM_HASH58" in case of "db_version" is "3". This is not 
correct because of the Nano 5th gen (with cam) is using a database with 
version "3" but needs a "ITDB_CHECKSUM_HASH72".

The second switch statement (using the "info->ipod_generation") returns 
correctly: "ITDB_CHECKSUM_HASH72" for "ITDB_IPOD_GENERATION_NANO_5" - 
but is this line ever reached if there was an "db_version" given? I 
don't think so.

I have only some very basic C-knowledge but it seems that there could be 
the error.

After changing "DBVersion" inside the "SysInfoExtended" file to "4" by 
hand I could add and delete tracks using gtkpod on my Nano 5th gen (with 
cam) (Version 1.0.2 PC) without any problems.

Kind regards, Jan.

Am 10.05.2013 11:43, schrieb phantomjinx:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> HI Jan,
>
> Thanks for contributing!
>
> So to summarize:
>
> * André has a 5g nano with 2.1 firmware that doesn't work with libgpod (produces the
> itdb_splr_validate error)
> * He tried it with Jakpod and songs were successfully added to the nano
> * Jakpod and libgpod appear to have the same hashing scheme so should both correctly hash the songs
>
> Clearly, something is not quite right.
>
> Could people with 5g nanos, running 2.1 firmware, could speak up and indicate whether they have
> the same problem?
>
> PGR
>
> On 05/10/2013 07:41 AM, Jan Kubitschek wrote:
>> Hi,
>>
>> this is Jan - the developer of the ugly Java-tool JakPod with lack of documentation. :o)
>>
>> As far as i know there where no changes regarding the hashing scheme on 5g nanos. It needs the
>> hash72 that is already part of libgpod.
>>
>> Because of my lack of C-knowledge i can't help fixing libgpod but if someone needs some help
>> feel free to contact me.
>>
>> By the way - if someone knows implementation details of the hashAB-plugin for libgpod, it
>> would also be nice to contact me.
>>
>> Kind regards, Jan.
>>
>> Am 10.05.2013 00:44, schrieb phantomjinx: On 05/09/2013 10:45 PM, André Nunes Batista wrote:
>>>>> Hello,
>>>>>
>>>>> I'll try to contact the author of jakpod and see what can be done with his source code,
>>>>> license now forbids commercial use, but says nothing other than that and documentation
>>>>> is certainly lacking.
>>>>>
>>>>> BTW, do you know who maintains gtkpod's website? A simple notice regarding this issue
>>>>> would prevent others from doing foolish attempts on this and would alert possible
>>>>> developers.
>>>>>
>>>>> Thank you!
>>>>>
>>
>> Thanks!
>>
>> In passing I have maintained the website on/off as well as a couple of other people.
>>
>> The "Status of Supported Hardware" box in bottom-right corner of the main page does try and
>> outline the position but could be made more informative.
>>
>> Regards
>>
>> PGR
>>
>>>
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