audio_loop.h

Go to the documentation of this file.

 
#ifndef AUDIO_LOOP_H
#define AUDIO_LOOP_H
 
#include "wave_file_reader.h" // Defines lf_waveform_t.
#include "tag.h"              // Defines instant_t.
 
// Constants for playback. These are all coupled.
#define SAMPLE_RATE 44100
#define AUDIO_BUFFER_SIZE 4410 // 1/10 second, 100 msec
#define BUFFER_DURATION_NS 100000000LL
#define NUM_CHANNELS 1 // 2 for stereo
 
#define MAX_AMPLITUDE 32765
 
#define NUM_NOTES 8 // Maximum number of notes that can play simultaneously.
 
void lf_start_audio_loop(instant_t start_time);
 
void lf_stop_audio_loop();
 
int lf_play_audio_waveform(lf_waveform_t* waveform, float emphasis, instant_t start_time);
 
#endif // AUDIO_LOOP_H