Robert Kern wrote:
Well, stack alignment would be a problem with how the shared library gets compiled, nothing to do with ctypes (I think). However, if you are

The shared library is built with '-m32 -msse2' and works fine from a C/C++ test harness, so I think its compiled okay.

> passing in arrays from ctypes, *they* may also be misaligned. Try to
> check the addresses of the ctypes values you are passing in. I'm not
> entirely sure how to do that, though.

I'm only passing filenames and some string options through the API. All the data that gets processed with MMX/SSE is opened inside the shared library.



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