gistfile1.txt

 %module webrtc_vad

    %{
    #define SWIG_FILE_WITH_INIT
    #include "webrtc/common_audio/vad/include/webrtc_vad.h"
    %}

    %{
      /* Include in the generated wrapper file */
      typedef unsigned int size_t;
    %}

    %include "stdint.i"
    %include "numpy.i"

    %init %{
      import_array();
    %}

    typedef unsigned int size_t;

    %apply (const int16_t* IN_ARRAY1, unsigned int DIM1) {(const int16_t* audio_frame, size_t frame_length)};
    %include "webrtc/common_audio/vad/include/webrtc_vad.h"