Radio.ino

// Called when a metadata event occurs (i.e. an ID3 tag, an ICY block, etc.
void MDCallback(void *cbData, const char *type, bool isUnicode, const char *string)
{
  const char *ptr = reinterpret_cast<const char *>(cbData);
  (void) isUnicode; // Punt this ball for now
  // Note that the type and string may be in PROGMEM, so copy them to RAM for printf
  char s1[32], s2[64];
  strncpy_P(s1, type, sizeof(s1));
  s1[sizeof(s1)-1]=0;
  strncpy_P(s2, string, sizeof(s2));
  s2[sizeof(s2)-1]=0;
  Serial.printf("METADATA(%s) '%s' = '%s'\n", ptr, s1, s2);
  Serial.flush();
}

// Called when there's a warning or error (like a buffer underflow or decode hiccup)
void StatusCallback(void *cbData, int code, const char *string)
{
  const char *ptr = reinterpret_cast<const char *>(cbData);
  // Note that the string may be in PROGMEM, so copy it to RAM for printf
  char s1[64];
  strncpy_P(s1, string, sizeof(s1));
  s1[sizeof(s1)-1]=0;
  Serial.printf("STATUS(%s) '%d' = '%s'\n", ptr, code, s1);
  Serial.flush();
}

void AUDIO_init(void) {
 //file = new AudioFileSourceICYStream(URL);
  audioLogger = &Serial;
  file = new AudioFileSourceICYStream(URLs.c_str());
  //file = new AudioFileSourceICYStream(URL);
  file->RegisterMetadataCB(MDCallback, (void*)"ICY");
  buff = new AudioFileSourceBuffer(file, 4096);
  buff->RegisterStatusCB(StatusCallback, (void*)"buffer");
  out = new AudioOutputI2SNoDAC();
  mp3 = new AudioGeneratorMP3();
  mp3->RegisterStatusCB(StatusCallback, (void*)"mp3");
  mp3->begin(buff, out);
 delay(1000);
}

void  handleAudio() {
   static int lastms = 0;

  if (mp3->isRunning()) {
    if (millis()-lastms > 1000) {
      lastms = millis();
      Serial.printf("Running for %d ms...\n", lastms);
      Serial.flush();
     }
    if (!mp3->loop()) mp3->stop();
  } else {
    Serial.printf("MP3 done\n");
    delay(1000);
  }
}