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  #ifndef SILK_RESAMPLER_STRUCTS_H
  #define SILK_RESAMPLER_STRUCTS_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #define SILK_RESAMPLER_MAX_FIR_ORDER                 36
  #define SILK_RESAMPLER_MAX_IIR_ORDER                 6
  
  typedef struct _silk_resampler_state_struct{
      opus_int32       sIIR[ SILK_RESAMPLER_MAX_IIR_ORDER ]; /* this must be the first element of this struct */
      union{
          opus_int32   i32[ SILK_RESAMPLER_MAX_FIR_ORDER ];
          opus_int16   i16[ SILK_RESAMPLER_MAX_FIR_ORDER ];
      }                sFIR;
      opus_int16       delayBuf[ 48 ];
      opus_int         resampler_function;
      opus_int         batchSize;
      opus_int32       invRatio_Q16;
      opus_int         FIR_Order;
      opus_int         FIR_Fracs;
      opus_int         Fs_in_kHz;
      opus_int         Fs_out_kHz;
      opus_int         inputDelay;
      const opus_int16 *Coefs;
  } silk_resampler_state_struct;
  
  #ifdef __cplusplus
  }
  #endif
  #endif /* SILK_RESAMPLER_STRUCTS_H */
  
  