File Resampler_core.h¶

#ifndef RESAMPLER_CORE_H
#define RESAMPLER_CORE_H

#include "resamp/resamp_core.h"

#ifdef __cplusplus
extern "C"
{
#endif

  typedef resamp_state_t Resampler_state_t;

/* Maximum output samples per call (pre-allocated by ext.c at init). */
#define RESAMPLER_MAX_OUT 65536

  /* ------------------------------------------------------------------ */
  /* Lifecycle                                                           */
  /* ------------------------------------------------------------------ */

  Resampler_state_t *Resampler_create (double rate);

  Resampler_state_t *Resampler_create_custom (size_t num_phases,
                                              size_t num_taps,
                                              const float *bank,
                                              double rate);

  void Resampler_destroy (Resampler_state_t *state);

  void Resampler_reset (Resampler_state_t *state);

  size_t Resampler_state_bytes (const Resampler_state_t *state);
  void Resampler_get_state (const Resampler_state_t *state, void *blob);
  int Resampler_set_state (Resampler_state_t *state, const void *blob);

  /* ------------------------------------------------------------------ */
  /* Execute                                                             */
  /* ------------------------------------------------------------------ */

  size_t Resampler_execute_max_out (Resampler_state_t *state);

  size_t Resampler_execute (Resampler_state_t *state, const float complex *x,
                            size_t x_len, float complex *out);

  size_t Resampler_execute_ctrl_max_out (Resampler_state_t *state);

  size_t Resampler_execute_ctrl (Resampler_state_t *state,
                                 const float complex *x, size_t x_len,
                                 const float complex *ctrl, size_t ctrl_len,
                                 float complex *out);

  /* ------------------------------------------------------------------ */
  /* Properties                                                          */
  /* ------------------------------------------------------------------ */

  double Resampler_get_rate (const Resampler_state_t *state);
  void Resampler_set_rate (Resampler_state_t *state, double rate);

  size_t Resampler_get_num_phases (const Resampler_state_t *state);

  size_t Resampler_get_num_taps (const Resampler_state_t *state);

#ifdef __cplusplus
}
#endif

#endif /* RESAMPLER_CORE_H */