audio.c


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#include "project.h"
#include <ao/ao.h>

static ao_device  *device;
static int d_num;

void audio_init (void)
{

  ao_initialize();

  d_num = ao_default_driver_id();
}

void audio_start (void)
{
  ao_sample_format fmt = {0};


  fmt.bits = 16;
  fmt.rate = SAMPLE_RATE;
  fmt.channels = 1;
  fmt.byte_format = AO_FMT_NATIVE;
  fmt.matrix = 0;

  device = ao_open_live (d_num, &fmt, NULL);
}


void audio_play (void *data, size_t len)
{
  ao_play (device, data, len);
}