Swig + Numpy.i with a const int16_t pointer

[Christian Gollwitzer]

Am 12.11.15 um 09:46 schrieb Christian Gollwitzer:
> Am 11.11.15 um 02:09 schrieb shriphanip at 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.

	Christian