[flac-dev] crash on lpc_restore_signal_16_intrin_sse2

Janne Hyvärinen cse at sci.fi
Mon Mar 9 12:38:20 PDT 2015

On 9.3.2015 20:43, lvqcl wrote:
> Janne Hyvärinen wrote:
>> VLC 2.2.0 crashed with exception 0xc0000005 on the first file I tried.
>> But libflac itself does not, for example flac.exe and foobar2000 have no
>> issues.
> *Very* interesting.
> I suspect that flac.exe and foobar2000 don't use
> FLAC__lpc_restore_signal_16_intrin_sse2() function at all. This function
> is not used if NASM is available; FLAC__lpc_restore_signal_asm_ia32_mmx()
> is used instead.
> I wonder how to debug this crash...

I compiled flac.exe without NASM and verified that 
FLAC__lpc_restore_signal_16_intrin_sse2 is used. Decoding the same file 
that made VLC 2.2 crash decoded without issues. Would be nice if VLC was 
compilable with MSVC and we could use its debugger.

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