Re: Swig + Numpy.i with a const int16_t pointer

From	Christian Gollwitzer <auriocus@gmx.de>
Newsgroups	comp.lang.python
Subject	Re: Swig + Numpy.i with a const int16_t pointer
Date	2015-11-12 10:17 +0100
Organization	A noiseless patient Spider
Message-ID	<n21lba$4vf$2@dont-email.me> (permalink)
References	<05ae95fa-68f0-43ca-8b36-04a827c5d878@googlegroups.com> <n21jga$vea$1@dont-email.me> <n21l9b$4vf$1@dont-email.me>

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Am 12.11.15 um 10:16 schrieb Christian Gollwitzer:
> Am 12.11.15 um 09:46 schrieb Christian Gollwitzer:
>> Am 11.11.15 um 02:09 schrieb shriphanip@gmail.com:
>>> I am trying to wrap the following function with SWIG so I can call it
>>> from Python. The signature is:
>>>
>>> ```
>>> int WebRtcVad_Process(VadInst* handle, int fs, const int16_t*
>>> audio_frame, size_t frame_length);
>>> ```
>>
>> This is thing is an array of 16 bit unsigned integers for input. The
>> closest object in Python is a numpy array. There is a numpy.i available
>> for Python, I'm not sure if it handles this case correctly. If you are
>> unlucky, you need to write your own typemap.
>
> http://docs.scipy.org/doc/numpy/reference/swig.interface-file.html
>
> It seems that you can create your own typemap easily using the macros
> provided by numpy.i; something like
>
> %numpy_typemaps(int16_t, NPY_UINT16, int)
>
> should be sufficient.

That should be

  %numpy_typemaps(int16_t, NPY_INT16, int)

of course.

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Swig + Numpy.i with a const int16_t pointer shriphanip@gmail.com - 2015-11-10 17:09 -0800
  Re: Swig + Numpy.i with a const int16_t pointer Christian Gollwitzer <auriocus@gmx.de> - 2015-11-12 09:46 +0100
    Re: Swig + Numpy.i with a const int16_t pointer Christian Gollwitzer <auriocus@gmx.de> - 2015-11-12 10:16 +0100
      Re: Swig + Numpy.i with a const int16_t pointer Christian Gollwitzer <auriocus@gmx.de> - 2015-11-12 10:17 +0100

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