Re: [Libmtp-discuss] struggling with sony nwz-e436f

[Nyall D. <ny...@zo...>]

Ok, here's a log of sending a short sound file via mtp-sendtr, with
the usb debug prints.




On Wed, Sep 9, 2009 at 8:27 PM, Nyall Dawson <ny...@zo...> wrote:
> On Wed, Sep 9, 2009 at 7:37 PM, Linus Walleij
> <lin...@gm...> wrote:
>> 2009/9/9 Nyall Dawson <ny...@zo...>:
>>
>>> Error 2: PTP Layer error a803: send_file_object_info():Could not send
>>> object property list.
>>> Error 2: (Look this up in ptp.h for an explanation.)
>>> Error 1: LIBMTP_Send_Track_From_File_Descriptor(): subcall to
>>> LIBMTP_Send_File_From_File_Descriptor failed.
>>
>> No, now wait return code 0xa803 is special, this means:
>> PTP_RC_MTP_Invalid_ObjectProp_Value     0xA803
>
> Sorry for the confusion, after a format of the device I no longer see
> the error a803 message. Just the other "call to
> ptp_mtp_getobjectpropssupported() failed." message.
>
> Error sending file "/tmp/gnomad-z2lCHP/01 Seguir Siendo.mp3" to MTP device!
> Error 2: PTP Layer error 02fe: LIBMTP_Get_Filelisting_With_Callback():
> call to ptp_mtp_getobjectpropssupported() failed.
> Error 2: (Look this up in ptp.h for an explanation.)
> Error 2: PTP Layer error 2002: add_object_to_cache(): couldn't add
> object to cache
> Error 2: (Look this up in ptp.h for an explanation.)
> Error 1: LIBMTP_Send_File_From_File_Descriptor(): Could not retrieve
> updated metadata.
> Error 1: LIBMTP_Send_Track_From_File_Descriptor(): subcall to
> LIBMTP_Send_File_From_File_Descriptor failed.
>
>
>> So one of the properties we try to set is not applicable for this
>> device. One property we began setting in 1.0.0 is modificationdate,
>> what happens if you try adding the flag:
>> DEVICE_FLAG_CANNOT_HANDLE_DATEMODIFIED ?
>
> This didn't help either
>
>
>> Else we have to drill down and try to see which metadata
>> item has an invalid value, we can probably see this from a USB
>> debug trace also if you want to make one again, or you
>> can selectively comment out different metadata props in
>> e.g. LIBMTP_Update_Track_Metadata(), I think that's the
>> function where it fails.
>
> I'll make a usb trace for you - give me a moment to put it together! :)
>