TagLib 1.9.1 crash using C++11

[Ibrahim Sha'ath]

Interesting. I'll take a look at it, thanks Stephen.

On 5 June 2015 at 03:02, Stephen F. Booth <me at sbooth.org> wrote:

> I've used TagLib and C++11 successfully together, however I used the
> taglib2 branch and not the 1.9.1 release.  Some of my classes using TagLib
> are at https://github.com/sbooth/SFBAudioEngine/tree/master/Metadata if
> you'd like to take a look.
>
> Stephen
>
> On Wed, Jun 3, 2015 at 8:45 AM, Ibrahim Sha'ath <ibrahimshaath at gmail.com>
> wrote:
>
>> If no-one has any idea about this issue specifically, has anyone
>> successfully used C++11 for a TagLib 1.9.1 project?
>>
>> Please excuse the bump but I've had to retract a release for this
>> segfault.
>>
>> On 31 May 2015 at 18:03, Ibrahim Sha'ath <ibrahimshaath at gmail.com> wrote:
>>
>>> Thanks Stephen. Unfortunately that had no further effect on the problem.
>>>
>>> Does the top of that stack look familiar to anyone who knows the
>>> codebase?
>>>
>>> On 31 May 2015 at 13:46, Stephen F. Booth <me at sbooth.org> wrote:
>>>
>>>> I experienced problems like this when my app and TagLib were compiled
>>>> with different C++ standard libraries.  I'm not sure if it matters anymore
>>>> on Yosemite but since you're using C++11 I would make sure you're passing
>>>> -stdlib=libc++ to both build processes.
>>>>
>>>> Stephen
>>>>
>>>> On Sun, May 31, 2015 at 5:16 AM, Ibrahim Sha'ath <
>>>> ibrahimshaath at gmail.com> wrote:
>>>>
>>>>> I have also tried modifying CMakeLists with
>>>>> set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
>>>>> to ensure consistency of flags with my app build, but that had no
>>>>> effect.
>>>>>
>>>>> Anyone have any ideas?
>>>>>
>>>>> On 30 May 2015 at 12:58, Ibrahim Sha'ath <ibrahimshaath at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi there,
>>>>>>
>>>>>> I have the following code to write to the Grouping field in an MP4
>>>>>> file:
>>>>>>
>>>>>> TagLib::StringList sl(TagLib::String("data", TagLib::String::UTF8));
>>>>>>
>>>>>> mp4File->tag()->itemListMap().insert("\251grp", sl);
>>>>>>
>>>>>> mp4File->save();
>>>>>>
>>>>>>
>>>>>> Where mp4file is a TagLib::MP4::File. This code was working fine but
>>>>>> now crashes with a segfault; I've narrowed the change down to when I
>>>>>> switched my project to C++11 to rid myself of Boost.
>>>>>>
>>>>>> The top of the crashed thread's stack (in OSX) reads as follows:
>>>>>> 0 ... std::__1::__tree<std::__1::__value_type<TagLib::String,
>>>>>> TagLib::MP4::Item>, std::__1::__map_value_compare<TagLib::String,
>>>>>> std::__1::__value_type<TagLib::String, TagLib::MP4::Item>,
>>>>>> std::__1::less<TagLib::String>, true>,
>>>>>> std::__1::allocator<std::__1::__value_type<TagLib::String,
>>>>>> TagLib::MP4::Item> >
>>>>>> >::__insert_node_at(std::__1::__tree_node_base<void*>*,
>>>>>> std::__1::__tree_node_base<void*>*&, std::__1::__tree_node_base<void*>*) +
>>>>>> 88
>>>>>> 1 ... std::__1::map<TagLib::String, TagLib::MP4::Item,
>>>>>> std::__1::less<TagLib::String>,
>>>>>> std::__1::allocator<std::__1::pair<TagLib::String const, TagLib::MP4::Item>
>>>>>> > >::operator[](TagLib::String const&) + 205
>>>>>> 2 ... TagLib::Map<TagLib::String,
>>>>>> TagLib::MP4::Item>::insert(TagLib::String const&, TagLib::MP4::Item const&)
>>>>>> + 71
>>>>>> 3   ...
>>>>>>
>>>>>> Has anyone had a similar experience? Is this expected with C++11, or
>>>>>> is there some way around it?
>>>>>>
>>>>>> Any help appreciated.
>>>>>> Regards
>>>>>> Ibrahim
>>>>>>
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>
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>>>>
>>>
>>
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>
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