resampler.h

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// SPDX-FileCopyrightText: © 2023 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __UTILS_RESAMPLER_H__
#define __UTILS_RESAMPLER_H__
 
#include "zrythm-config.h"
 
#include "utils/types.h"
 
typedef enum ResamplerQuality
{
  RESAMPLER_QUALITY_QUICK,
  RESAMPLER_QUALITY_LOW,
  RESAMPLER_QUALITY_MEDIUM,
  RESAMPLER_QUALITY_HIGH,
  RESAMPLER_QUALITY_VERY_HIGH,
} ResamplerQuality;
 
typedef struct Resampler
{
  void * priv;
 
  double       input_rate;
  double       output_rate;
  unsigned int num_channels;
 
  const float * in_frames;
 
  size_t num_in_frames;
 
  size_t frames_read;
 
  float * out_frames;
 
  size_t num_out_frames;
 
  size_t frames_written;
 
  ResamplerQuality quality;
} Resampler;
 
Resampler *
resampler_new (
  const float *          in_frames,
  const size_t           num_in_frames,
  const double           input_rate,
  const double           output_rate,
  const unsigned int     num_channels,
  const ResamplerQuality quality,
  GError **              error);
 
NONNULL_ARGS (1) bool resampler_process (Resampler * self, GError ** error);
 
NONNULL bool
resampler_is_done (Resampler * self);
 
NONNULL void
resampler_free (Resampler * self);
 
#endif