[Flac-dev] libFLAC++ Seeking

[Gyürki István]

írta: 


> írta: 
> 
> írta: 
> 
> Hello, 
> 
> I've a problem with seeking using libFLAC++ API.
> The call to seek_absolute always returns with false, whatever I do.
> 
> I tried many different ways, finally I tried to reduce my added code to near zero, so I used the cpp decode example in ...\flac-1.2.1\examples\cpp\decode\file\.main.cpp and added only one line:
> 
> bool b=decoder.seek_absolute(1000);
> 
> right before  
> 
> ok = decoder.process_until_end_of_stream();
> 
> seek_absolute always returns false.
> I'm pretty sure I missed something and otherwise this works fine.
> One more thing. I complied the 1.2.1 sources with msvc6 sp6 and this works with debug libs...
> 
> Any hints?
> 
> Thanks,
> Istvan
> 
> I still couldn't figure out why's that, but finally I changed file_length_callback_ in stream_decoder.c; replaced fno/fstat with fseek(f,0,SEEK_END)/fgetpos pair and now it works perfectly. 


I'm again. Finally, I figured out that file_length_callback in stream_decoder.c should use _fstat rather than fstat. Now it works with release version, too.
For handling 64bit filesizes in msvc6 probably the _filelengthi64 call is the best (_fstati64 does not supported by vc6).
Istvan

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