audio_file.h

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// SPDX-FileCopyrightText: © 2023 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __IO_AUDIO_FILE_H__
#define __IO_AUDIO_FILE_H__
 
#include "zrythm-config.h"
 
#include <stdbool.h>
 
#include "utils/types.h"
 
#include <glib.h>
 
typedef struct AudioFileMetadata
{
  int samplerate;
  int channels;
 
  int64_t length;
 
  int64_t num_frames;
 
  int bit_rate;
  int bit_depth;
 
  float bpm;
 
  bool filled;
} AudioFileMetadata;
 
typedef struct AudioFile
{
  char * filepath;
 
  AudioFileMetadata metadata;
 
  void * internal_data;
} AudioFile;
 
NONNULL AudioFile *
audio_file_new (const char * filepath);
 
NONNULL_ARGS (1)
bool audio_file_read_metadata (AudioFile * self, GError ** error);
 
NONNULL_ARGS (1)
bool audio_file_read_samples (
  AudioFile * self,
  bool        in_parts,
  float *     samples,
  size_t      start_from,
  size_t      num_frames_to_read,
  GError **   error);
 
NONNULL_ARGS (1) bool audio_file_finish (AudioFile * self, GError ** error);
 
bool
audio_file_read_simple (
  const char *        filepath,
  float **            frames,
  size_t *            num_frames,
  AudioFileMetadata * metadata,
  size_t              samplerate,
  GError **           error);
 
NONNULL void
audio_file_free (AudioFile * self);
 
#endif