audio/format.h

Go to the documentation of this file.

#pragma once
 
#include <ascii-chat/asciichat_errno.h>
#include <ascii-chat/audio/limits.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

asciichat_error_t audio_route_capture(const float *input, size_t frames, unsigned channels, int first_channel,
                                      unsigned selected_channels, float *output);
asciichat_error_t audio_convert_channels(const float *input, size_t frames, unsigned input_channels, float *output,
                                         unsigned output_channels);

typedef struct {
  double phase;
  float previous[AUDIO_CHANNELS];
  bool has_previous;
} audio_resampler_t;

size_t audio_resample_stereo(audio_resampler_t *state, const float *input, size_t frames, double input_rate,
                             float *output, size_t capacity, double output_rate);
 
#ifdef __cplusplus
}
#endif