import esp audio lib

FW/leo_muziekdoos_sam51/lib/ESP8266Audio/examples/PlayMP3FromSPIFFS/PlayMP3FromSPIFFS.ino

@@ -0,0 +1,72 @@
+#include <Arduino.h>
+#ifdef ESP32
+  #include <WiFi.h>
+  #include "SPIFFS.h"
+#else
+  #include <ESP8266WiFi.h>
+#endif
+#include "AudioFileSourceSPIFFS.h"
+#include "AudioFileSourceID3.h"
+#include "AudioGeneratorMP3.h"
+#include "AudioOutputI2SNoDAC.h"
+
+// To run, set your ESP8266 build to 160MHz, and include a SPIFFS of 512KB or greater.
+// Use the "Tools->ESP8266/ESP32 Sketch Data Upload" menu to write the MP3 to SPIFFS
+// Then upload the sketch normally.  
+
+// pno_cs from https://ccrma.stanford.edu/~jos/pasp/Sound_Examples.html
+
+AudioGeneratorMP3 *mp3;
+AudioFileSourceSPIFFS *file;
+AudioOutputI2SNoDAC *out;
+AudioFileSourceID3 *id3;
+
+
+// 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)
+{
+  (void)cbData;
+  Serial.printf("ID3 callback for: %s = '", type);
+
+  if (isUnicode) {
+    string += 2;
+  }
+  
+  while (*string) {
+    char a = *(string++);
+    if (isUnicode) {
+      string++;
+    }
+    Serial.printf("%c", a);
+  }
+  Serial.printf("'\n");
+  Serial.flush();
+}
+
+
+void setup()
+{
+  WiFi.mode(WIFI_OFF); 
+  Serial.begin(115200);
+  delay(1000);
+  SPIFFS.begin();
+  Serial.printf("Sample MP3 playback begins...\n");
+
+  audioLogger = &Serial;
+  file = new AudioFileSourceSPIFFS("/pno-cs.mp3");
+  id3 = new AudioFileSourceID3(file);
+  id3->RegisterMetadataCB(MDCallback, (void*)"ID3TAG");
+  out = new AudioOutputI2SNoDAC();
+  mp3 = new AudioGeneratorMP3();
+  mp3->begin(id3, out);
+}
+
+void loop()
+{
+  if (mp3->isRunning()) {
+    if (!mp3->loop()) mp3->stop();
+  } else {
+    Serial.printf("MP3 done\n");
+    delay(1000);
+  }
+}