wav file more than 2GB can't be read in 32 bit operation system

[Dave Lambley]

WAV files larger than 2^31+8 bytes are asking for compatibility trouble on
any processor as the format itself contains a 32 bit data size. It might be
worthwhile looking at RF64 or FLAC file formats.

Dave

On 23 December 2015 at 11:31, Tsuda Kageyu <tsuda.kageyu at gmail.com> wrote:

> Hi Jingbo,
>
> It's a limitation by design. TagLib handles the length and offset of files
> with the type *long*. So it can handle large files (larger than 2GB) only
> in which *long* is 64-bit like GCC on 64-bit Linux. For most 32-bit
> compilers, *long* is 32-bit and TagLib can't handle large files.
>
> In taglib2 branch, we have made some changes to remove the limitation. It
> handles the length and offset of files with *long long* which is 64-bit
> in most systems.
>
> Regards,
> Kageyu
>
> 2015-12-23 12:24 GMT+09:00 Zhang, Jingbo <jingbo.zhang at auralic.com>:
>
>> sorry to bother you, but this problem has bother me a couple of days.
>>
>> When I compile taglib in 64 bit operation system, it can read wav file
>> more than 2GB.
>>
>> But when I compile taglib in 32 bit operation system, it can't.
>> And then I add "SET ( CMAKE_CXX_FLAGS "-D_FILE_OFFSET_BITS=64" CACHE
>> STRING "compile flags" FORCE)" in top of CMakeLists.txt, And the file
>> "taglib\CMakeFiles\tag.dir\flags.make" has "-D_FILE_OFFSET_BITS=64" in
>> "CXX_FLAGS", but it can't work.
>> So I am helpless in it.
>>
>> Thanks a lot!
>>
>>
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>> taglib-devel at kde.org
>> https://mail.kde.org/mailman/listinfo/taglib-devel
>>
>>
>
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>
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