TOTALLY STUPID BUG how could I lose 3 days debugging it. SDL is working perfeclty, that was the application crashing which could not load music file.

alienblaster/project/jni/application/src/mixer.cpp

@@ -24,7 +24,9 @@ using namespace std;
 #include <string>
 #include <fstream>
 #include <iostream>
+#ifdef ANDROID
 #include <android/log.h>
+#endif
 
 Mixer * mixerInstance = NULL;
 
@@ -91,13 +93,39 @@ void Mixer::freeMixer() {
 int Mixer::loadSample(string fileName, int volume) {
 	if (enabled) {
 		if (fn2snd.find(fileName) == fn2snd.end()) {
-			// open the file for reading
+
-			ifstream inputFile ( fileName.c_str(), ios::in);
+            string fn = fileName;
-			if (!inputFile.good()) {
+            string fn1 = fn;
-				cout << "ERROR: file " << fileName << " does not exist!" << endl;
+            __android_log_print(ANDROID_LOG_INFO, "Alien Blaster", (string( "Loading sound " ) + fn).c_str() );
-				exit(1);
+
-			}
+            // Check if file exist
-			mixChunks.push_back(Mix_LoadWAV(fileName.c_str()));
+            FILE * inputFile = fopen( fn1.c_str(), "rb");
+            if (!inputFile) {
+              if( fn1.size() > 4 && fn1.find(".wav") != string::npos ) {
+                fn1 = fn1.substr( 0, fn1.size() - 4 ) + ".ogg";
+                inputFile = fopen( fn1.c_str(), "rb");
+              }
+              if (!inputFile) {
+                cout << "ERROR: file " << fn1 << " does not exist!" << endl;
+                #ifdef ANDROID
+                __android_log_print(ANDROID_LOG_ERROR, "Alien Blaster", (string( "Cannot load sound " ) + fn1).c_str() );
+                #endif
+                exit(1);
+              }
+            }
+            fclose(inputFile);
+
+            // TODO: error-handling
+            Mix_Chunk *newSound = Mix_LoadWAV(fn1.c_str());
+            if( !newSound ) {
+              cout << "ERROR: file " << fn1 << " cannot be loaded!" << endl;
+              #ifdef ANDROID
+              __android_log_print(ANDROID_LOG_ERROR, "Alien Blaster", (string( "Cannot load sound " ) + fn1).c_str() );
+              #endif
+              exit(1);
+            }
+
+			mixChunks.push_back(newSound);
 			fn2snd[ fileName ] = mixChunks.size() - 1;
 			if ( 0 <= volume && volume < 128 ) {
 				Mix_VolumeChunk( mixChunks[ mixChunks.size() - 1 ], volume );
@@ -151,14 +179,39 @@ void Mixer::fadeOut(int mSecs) {
 int Mixer::loadMusic( string fn ) {
 	if (enabled) {
 		if (fn2mus.find(fn) == fn2mus.end()) {
-			// open the file for reading
+
-			ifstream inputFile ( fn.c_str(), ios::in);
+            __android_log_print(ANDROID_LOG_INFO, "Alien Blaster", (string( "Loading sound " ) + fn).c_str() );
-			if (!inputFile.good()) {
+
-				cout << "ERROR: file " << fn << " does not exist!" << endl;
+            string fn1 = fn;
-				exit(1);
+            // Check if file exist
-			}
+            FILE * inputFile = fopen( fn1.c_str(), "rb");
+            if (!inputFile) {
+              if( fn1.size() > 4 && fn1.find(".wav") != string::npos ) {
+                fn1 = fn1.substr( 0, fn1.size() - 4 ) + ".ogg";
+                inputFile = fopen( fn1.c_str(), "rb");
+              }
+              if (!inputFile) {
+                cout << "ERROR: file " << fn1 << " does not exist!" << endl;
+                #ifdef ANDROID
+                __android_log_print(ANDROID_LOG_ERROR, "Alien Blaster", (string( "Cannot load sound " ) + fn1).c_str() );
+                #endif
+                exit(1);
+              }
+            }
+            fclose(inputFile);
+
+            // TODO: error-handling
+            Mix_Music *newSound = Mix_LoadMUS(fn1.c_str());
+            if( !newSound ) {
+              cout << "ERROR: file " << fn1 << " cannot be loaded!" << endl;
+              #ifdef ANDROID
+              __android_log_print(ANDROID_LOG_ERROR, "Alien Blaster", (string( "Cannot load sound " ) + fn1).c_str() );
+              #endif
+              exit(1);
+            }
+
 			
-			musics.push_back(Mix_LoadMUS(fn.c_str()));
+			musics.push_back(newSound);
 			fn2mus[ fn ] = musics.size() - 1;
 			return musics.size() - 1;
 		}

alienblaster/project/jni/sdl/src/audio/android/SDL_androidaudio.c

@@ -100,7 +100,6 @@ static Uint8 *ANDROIDAUD_GetAudioBuf(_THIS)
 
 static int ANDROIDAUD_OpenAudio(_THIS, const char *devname, int iscapture)
 {
-	__android_log_print(ANDROID_LOG_INFO, "libSDL", "ANDROIDAUD_OpenAudio: enter");
 	SDL_AudioSpec *audioFormat = &this->spec;
 	int bytesPerSample;
 	JNIEnv * jniEnv = NULL;
@@ -148,7 +147,6 @@ static int ANDROIDAUD_OpenAudio(_THIS, const char *devname, int iscapture)
 
 	SDL_CalculateAudioSpec(&this->spec);
 	
-	__android_log_print(ANDROID_LOG_INFO, "libSDL", "ANDROIDAUD_OpenAudio: exit, audioBufferSize %d", audioBufferSize);
 	return(1);
 }
 
@@ -184,7 +182,6 @@ static jmethodID JavaFillBuffer = NULL;
 
 static void ANDROIDAUD_ThreadInit(_THIS)
 {
-	__android_log_print(ANDROID_LOG_INFO, "libSDL", "ANDROIDAUD_ThreadInit: enter");
 	jclass JavaAudioThreadClass = NULL;
 	jmethodID JavaInitThread = NULL;
 	jmethodID JavaGetBuffer = NULL;
@@ -212,8 +209,6 @@ static void ANDROIDAUD_ThreadInit(_THIS)
 		__android_log_print(ANDROID_LOG_ERROR, "libSDL", "ANDROIDAUD_OpenAudio(): JNI returns a copy of byte array - no audio will be played");
 
 	SDL_memset(audioBuffer, this->spec.silence, this->spec.size);
-
-	__android_log_print(ANDROID_LOG_INFO, "libSDL", "ANDROIDAUD_ThreadInit: exit, audioBuffer %p", audioBuffer);
 };
 
 static void ANDROIDAUD_ThreadDeinit(_THIS)
@@ -223,15 +218,12 @@ static void ANDROIDAUD_ThreadDeinit(_THIS)
 
 static void ANDROIDAUD_PlayAudio(_THIS)
 {
-	__android_log_print(ANDROID_LOG_INFO, "libSDL", "ANDROIDAUD_PlayAudio: enter, audiobuffer %p", audioBuffer);
 	jboolean isCopy = JNI_TRUE;
 
 	(*jniEnvPlaying)->ReleaseByteArrayElements(jniEnvPlaying, audioBufferJNI, (jbyte *)audioBuffer, 0);
 	audioBuffer = NULL;
 
-	__android_log_print(ANDROID_LOG_INFO, "libSDL", "ANDROIDAUD_PlayAudio: before JavaFillBuffer");
 	(*jniEnvPlaying)->CallIntMethod( jniEnvPlaying, JavaAudioThread, JavaFillBuffer );
-	__android_log_print(ANDROID_LOG_INFO, "libSDL", "ANDROIDAUD_PlayAudio: after JavaFillBuffer");
 
 	audioBuffer = (unsigned char *) (*jniEnvPlaying)->GetByteArrayElements(jniEnvPlaying, audioBufferJNI, &isCopy);
 	if( !audioBuffer )
@@ -239,7 +231,6 @@ static void ANDROIDAUD_PlayAudio(_THIS)
 
 	if( isCopy == JNI_TRUE )
 		__android_log_print(ANDROID_LOG_INFO, "libSDL", "ANDROIDAUD_PlayAudio() JNI returns a copy of byte array - that's slow");
-	__android_log_print(ANDROID_LOG_INFO, "libSDL", "ANDROIDAUD_PlayAudio: exit audioBuffer %p", audioBuffer);
 }
 
 #ifndef SDL_JAVA_PACKAGE_PATH

alienblaster/project/src/Audio.java

@@ -34,14 +34,7 @@ class AudioThread {
 	
 	public int fillBuffer()
 	{
-		Log.i("libSDL", "JNI: fillBuffer() enter, mAudioBuffer len " + String.valueOf(mAudioBuffer.length));
+		mAudio.write( mAudioBuffer, 0, mAudioBuffer.length );
-		int ret = 0;
-		try{
-		ret = mAudio.write( mAudioBuffer, 0, mAudioBuffer.length );
-		} catch( Throwable t ) {
-			Log.i("libSDL", "JNI: fillBuffer() caught exception!");
-		}
-		Log.i("libSDL", "JNI: fillBuffer() exit, written " + String.valueOf(ret));
 		return 1;
 	}