Improve logging with custom callback

src/main/java/games/rednblack/miniaudio/MALogCallback.java

@@ -0,0 +1,12 @@
+package games.rednblack.miniaudio;
+
+/**
+ * Listener to get notified when native code generate some kind of logs.
+ *
+ * NOTE: this callback may be invoked on different threads.
+ *
+ * @author fgnm
+ */
+public interface MALogCallback {
+    void onLog(MALogLevel level, String message);
+}

src/main/java/games/rednblack/miniaudio/MALogLevel.java

@@ -17,4 +17,19 @@ public enum MALogLevel {
     MALogLevel(int code) {
         this.code = code;
     }
+
+    public static MALogLevel decode (int code) {
+        switch (code) {
+            case 1:
+                return MALogLevel.ERROR;
+            case 2:
+                return MALogLevel.WARNING;
+            case 3:
+                return MALogLevel.INFO;
+            case 4:
+                return MALogLevel.DEBUG;
+            default:
+                return MALogLevel.NONE;
+        }
+    }
 }

src/main/java/games/rednblack/miniaudio/MiniAudio.java

@@ -116,21 +116,25 @@ void ma_log_callback_jni(void* pUserData, ma_uint32 level, const char* pMessage)
     private long engineAddress = 0;
     private final MASound endCallbackSound;
     private MASoundEndListener endListener;
+    private MALogCallback logCallback;
 
     /**
      * Create a new MiniAudio Engine Instance
      *
      */
     public MiniAudio() {
-        this(true);
+        this(null, true);
     }
 
     /**
      * Create a new MiniAudio Engine Instance
      *
+     * @param logCallback callback to forward native logs
      * @param initEngine automatic init engine with default parameters
      */
-    public MiniAudio(boolean initEngine) {
+    public MiniAudio(MALogCallback logCallback, boolean initEngine) {
+        this.logCallback = logCallback;
+
         int result = jniInitContext();
         if (result != MAResult.MA_SUCCESS) {
             throw new MiniAudioException("Unable to init MiniAudio Context", result);
@@ -1948,7 +1952,21 @@ public void on_native_sound_end(long soundAddress) {
         }
     }
 
+    /**
+     * Set a custom log callback function. If null, default libGDX logging will be used.
+     *
+     * @param logCallback custom log callback
+     */
+    public void setLogCallback(MALogCallback logCallback) {
+        this.logCallback = logCallback;
+    }
+
     public void on_native_log(int level, String message) {
+        if (logCallback != null) {
+            logCallback.onLog(MALogLevel.decode(level), message);
+            return;
+        }
+
         if (Gdx.app == null) return;
 
         switch (level) {

testApp/src/main/java/games/rednblack/miniaudio/Main.java

@@ -34,13 +34,12 @@ public static void main(String[] args) {
     @Override
     public void create() {
         //miniAudio = new MiniAudio(1, 1, 0, 256, 44100);
-        miniAudio = new MiniAudio(false);
-        miniAudio.setLogLevel(MALogLevel.DEBUG);
+        miniAudio = new MiniAudio(null, false);
         MADeviceInfo[] devices = miniAudio.enumerateDevices();
         for (MADeviceInfo info : devices) {
             System.out.println(info.isCapture + " " + info.idAddress + " . " + info.name);
         }
-        miniAudio.initEngine(1, -1, -1, 2, 0, 512, 44100, MAFormatType.F32,false);
+        miniAudio.initEngine(1, -1, -1, 2, 0, 512, 44100, MAFormatType.F32,false, false, false);
         miniAudio.setListenerDirection(0, 0, 1);
         miniAudio.setListenerCone(MathUtils.PI / 4f, MathUtils.PI / 4f, 2f);
 
@@ -49,7 +48,7 @@ public void create() {
         //int res = miniAudio.playSound("Median_test.ogg");
         //int res = miniAudio.playSound("piano2.wav");
         //System.out.println(res);
-        maSound = miniAudio.createSound("Legendary.mp3");
+        maSound = miniAudio.createSound("piano2.wav");
         //maSound.setPositioning(MAPositioning.RELATIVE);
         //maSound = miniAudio.createInputSound((short) 0, null);
         maSound.setSpatialization(false);
@@ -103,9 +102,9 @@ public void create() {
         assetManager = new AssetManager();
         assetManager.getLogger().setLevel(Logger.DEBUG);
         assetManager.setLoader(MASound.class, new MASoundLoader(miniAudio, assetManager.getFileHandleResolver()));
-        assetManager.load("game.ogg", MASound.class);
+        //assetManager.load("game.ogg", MASound.class);
         assetManager.load("Median_test.ogg", MASound.class);
-        assetManager.load("Perfect_Mishap.ogg", MASound.class);
+        //assetManager.load("Perfect_Mishap.ogg", MASound.class);
         assetManager.load("piano2.wav", MASound.class);
     }