openalbridge/openalwrap.c
changeset 2259 ca42efdce3ce
parent 2257 7eb31efcfb9b
child 2260 31756e21c436
--- a/openalbridge/openalwrap.c	Sun Jul 12 13:57:20 2009 +0000
+++ b/openalbridge/openalwrap.c	Sun Jul 12 15:42:54 2009 +0000
@@ -25,443 +25,435 @@
 #ifdef __CPLUSPLUS
 extern "C" {
 #endif 
-	
-	/*Sources are points emitting sound*/
-	ALuint *Sources;
-	/*Buffers hold sound data*/
-	ALuint *Buffers;
-	/*index for Sources and Buffers*/
-	ALuint globalindex, globalsize, increment;
-	
-	ALint openalReady = AL_FALSE;
-	
-	ALint openal_close(void) {
-		/*Stop all sounds, deallocate all memory and close OpenAL */
-		ALCcontext *context;
-		ALCdevice  *device;
-		
-		if(openalReady == AL_FALSE)
-		{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-
-		alSourceStopv	(globalsize, Sources);
-		alDeleteSources (globalsize, Sources);
-		alDeleteBuffers (globalsize, Buffers);
-		
-		free(Sources);
-		free(Buffers);
-		
-		context = alcGetCurrentContext();
-		device  = alcGetContextsDevice(context);
-		
-		alcMakeContextCurrent(NULL);
-		alcDestroyContext(context);
-		alcCloseDevice(device);
-
-		openalReady = AL_FALSE;
-
-		return AL_TRUE;
-	}
-	
-	ALint openal_ready(void) {
-		return openalReady;
-	}
-	
-	ALint openal_init(uint32_t memorysize) {	
-		/*Initialize an OpenAL contex and allocate memory space for data and buffers*/
-		ALCcontext *context;
-		ALCdevice *device;
-		const ALCchar *default_device;
-
-		/*Position of the listener*/
-		ALfloat ListenerPos[] = { 0.0, 0.0, 0.0 };
-		/*Velocity of the listener*/
-		ALfloat ListenerVel[] = { 0.0, 0.0, 0.0 };
-		/*Orientation of the listener. (first 3 elements are "at", second 3 are "up")*/
-		ALfloat ListenerOri[] = { 0.0, 0.0, -1.0,  0.0, 1.0, 0.0 };
-
-		if(openalReady == AL_TRUE)
-		{
-			fprintf(stderr, "ERROR: OpenAL already initialized\n");
-			return AL_FALSE;
-		}
-
-		default_device = alcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
-		fprintf(stderr, "Using default device: %s\n", default_device);
-		
-		if ((device = alcOpenDevice(default_device)) == NULL) {
-			fprintf(stderr, "ERROR: Failed to open sound device\n");
-			return AL_FALSE;
-		}
-		
-		context = alcCreateContext(device, NULL);
-		alcMakeContextCurrent(context);
-		alcProcessContext(context);
-		
-		if (AlGetError("ERROR %d: Creating a new contex\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		/*allocate memory space for buffers and sources*/
-		globalsize = memorysize;
-		increment = memorysize;
-		Buffers = (ALuint*) Malloc(sizeof(ALuint)*globalsize);
-		Sources = (ALuint*) Malloc(sizeof(ALuint)*globalsize);
-		
-		/*set the listener gain, position (on xyz axes), velocity (one value for each axe) and orientation*/
-		alListenerf (AL_GAIN,		 1.0f		);
-		alListenerfv(AL_POSITION,    ListenerPos);
-		alListenerfv(AL_VELOCITY,    ListenerVel);
-		alListenerfv(AL_ORIENTATION, ListenerOri);
-		
-		if (AlGetError("ERROR %d: Setting Listener properties\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		openalReady = AL_TRUE;
-
-		alGetError();  /* clear any AL errors beforehand */
-		return AL_TRUE;
-	}
-	
-	
-	uint8_t helper_realloc (void) {
-		/*expands allocated memory when loading more sound files than expected*/
-		globalsize += increment;
+    
+    /*Sources are points emitting sound*/
+    ALuint *Sources;
+    /*Buffers hold sound data*/
+    ALuint *Buffers;
+    /*index for Sources and Buffers*/
+    ALuint globalindex, globalsize, increment;
+    
+    ALboolean openalReady = AL_FALSE;
+    
+    ALboolean openal_close (void) {
+        /*Stop all sounds, deallocate all memory and close OpenAL */
+        ALCcontext *context;
+        ALCdevice  *device;
+        
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        alSourceStopv	(globalsize, Sources);
+        alDeleteSources (globalsize, Sources);
+        alDeleteBuffers (globalsize, Buffers);
+        
+        free(Sources);
+        free(Buffers);
+        
+        context = alcGetCurrentContext();
+        device  = alcGetContextsDevice(context);
+        
+        alcMakeContextCurrent(NULL);
+        alcDestroyContext(context);
+        alcCloseDevice(device);
+        
+        openalReady = AL_FALSE;
+        
+        return AL_TRUE;
+    }
+    
+    ALboolean openal_ready(void) {
+        return openalReady;
+    }
+    
+    ALboolean openal_init(uint32_t memorysize) {	
+        /*Initialize an OpenAL contex and allocate memory space for data and buffers*/
+        ALCcontext *context;
+        ALCdevice *device;
+        const ALCchar *default_device;
+        
+        /*Position of the listener*/
+        ALfloat ListenerPos[] = { 0.0, 0.0, 0.0 };
+        /*Velocity of the listener*/
+        ALfloat ListenerVel[] = { 0.0, 0.0, 0.0 };
+        /*Orientation of the listener. (first 3 elements are "at", second 3 are "up")*/
+        ALfloat ListenerOri[] = { 0.0, 0.0, -1.0,  0.0, 1.0, 0.0 };
+        
+        if(openalReady == AL_TRUE) {
+            fprintf(stderr, "ERROR: OpenAL already initialized\n");
+            return AL_FALSE;
+        }
+        
+        default_device = alcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
+        fprintf(stderr, "Using default device: %s\n", default_device);
+        
+        if ((device = alcOpenDevice(default_device)) == NULL) {
+            fprintf(stderr, "ERROR: Failed to open sound device\n");
+            return AL_FALSE;
+        }
+        
+        context = alcCreateContext(device, NULL);
+        alcMakeContextCurrent(context);
+        alcProcessContext(context);
+        
+        if (AlGetError("ERROR %d: Creating a new contex\n") != AL_TRUE)
+            return AL_FALSE;
+        
+        /*allocate memory space for buffers and sources*/
+        globalsize = memorysize;
+        increment  = memorysize;
+        Buffers = (ALuint*) Malloc(sizeof(ALuint)*globalsize);
+        Sources = (ALuint*) Malloc(sizeof(ALuint)*globalsize);
+        
+        /*set the listener gain, position (on xyz axes), velocity (one value for each axe) and orientation*/
+        alListenerf (AL_GAIN,        1.0f       );
+        alListenerfv(AL_POSITION,    ListenerPos);
+        alListenerfv(AL_VELOCITY,    ListenerVel);
+        alListenerfv(AL_ORIENTATION, ListenerOri);
+        
+        if (AlGetError("ERROR %d: Setting Listener properties\n") != AL_TRUE)
+            return AL_FALSE;
+        
+        openalReady = AL_TRUE;
+        
+        alGetError();  /* clear any AL errors beforehand */
+        return AL_TRUE;
+    }
+    
+    
+    ALboolean helper_realloc (void) {
+        /*expands allocated memory when loading more sound files than expected*/
 #ifdef DEBUG
-		fprintf(stderr, "OpenAL: Realloc in process %d\n", globalsize);
+        fprintf(stderr, "OpenAL: Realloc in process %d\n", globalsize);
 #endif
-		Buffers = (ALuint*) Realloc(Buffers, sizeof(ALuint)*globalsize);
-		Sources = (ALuint*) Realloc(Sources, sizeof(ALuint)*globalsize);
-		
-		return 0;
-	}
-	
-	
-	int openal_loadfile (const char *filename){
-		/*Open a file, load into memory and allocate the Source buffer for playing*/
-                ALfloat SourcePos[] = { 0.0, 0.0, 0.0 }; /*Position of the source sound*/
-                ALfloat SourceVel[] = { 0.0, 0.0, 0.0 }; /*Velocity of the source sound*/
-		ALenum format;
-		ALsizei bitsize;
-		ALsizei freq;
-		char *data;
-		uint32_t fileformat;
-		ALenum error;
-		FILE *fp;
-		
-		if(openalReady == AL_FALSE)
-		{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-		
-		/*when the buffers are all used, we can expand memory to accept new files*/
-		if (globalindex == globalsize)
-			helper_realloc();
-		
-		/*detect the file format, as written in the first 4 bytes of the header*/
-		fp = Fopen (filename, "rb");
-		if (fp == NULL)
-			return -1;
-		error = fread (&fileformat, sizeof(uint32_t), 1, fp);
-		fclose (fp);
-		
-		if (error < 0) {
-			fprintf(stderr, "ERROR: file %s is too short \n", filename);
-			return -2;
-		}
-		
-		/*prepare the buffer to receive data*/
-		alGenBuffers(1, &Buffers[globalindex]);
-		
-		if (AlGetError("ERROR %d: Allocating memory for buffers\n") != AL_TRUE)
-			return -3;
-		
-		/*prepare the source to emit sound*/
-		alGenSources(1, &Sources[globalindex]);
-		
-		if (AlGetError("ERROR %d: Allocating memory for sources\n") != AL_TRUE)
-			return -4;
-				
-		
-		if (fileformat == 0x5367674F) /*check if ogg*/
-			error = load_oggvorbis (filename, &format, &data, &bitsize, &freq);
-		else {
-			if (fileformat == 0x46464952) /*check if wav*/
-				error = load_wavpcm (filename, &format, &data, &bitsize, &freq);
-			else {
-				fprintf(stderr, "ERROR: File format (%08X) not supported!\n", invert_endianness(fileformat));
-				return -5;
-			}
-		}
-		
-		/*copy pcm data in one buffer*/
-		alBufferData(Buffers[globalindex], format, data, bitsize, freq);
-		free(data);		/*deallocate data to save memory*/
-		
-		if (AlGetError("ERROR %d: Writing data to buffer\n") != AL_TRUE)
-			return -6;
-			
-		/*set source properties that it will use when it's in playback*/
-		alSourcei (Sources[globalindex], AL_BUFFER,   Buffers[globalindex]  );
-		alSourcef (Sources[globalindex], AL_PITCH,    1.0f					);
-		alSourcef (Sources[globalindex], AL_GAIN,     1.0f					);
-		alSourcefv(Sources[globalindex], AL_POSITION, SourcePos				);
-		alSourcefv(Sources[globalindex], AL_VELOCITY, SourceVel				);
-		alSourcei (Sources[globalindex], AL_LOOPING,  0						);
-		
-		if (AlGetError("ERROR %d: Setting source properties\n") != AL_TRUE)
-			return -7;
-		
-		alGetError();  /* clear any AL errors beforehand */
-		
-		/*returns the index of the source you just loaded, increments it and exits*/
-		return globalindex++;
-	}
-	
-	
-	ALint openal_toggleloop (uint32_t index){
-		/*Set or unset looping mode*/
-		ALint loop;
-		
-		if(openalReady == AL_FALSE)
-		{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-
-		if (index >= globalsize) {
-			fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
-			return AL_FALSE;
-		}
-		
-		alGetSourcei (Sources[index], AL_LOOPING, &loop);
-		alSourcei (Sources[index], AL_LOOPING, !((uint8_t) loop) & 0x00000001);
-		if (AlGetError("ERROR %d: Getting or setting loop property\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		alGetError();  /* clear any AL errors beforehand */
+        globalsize += increment;
 
-		return AL_TRUE;
-	}
-	
-	
-	ALint openal_setvolume (uint32_t index, uint8_t percentage) {
-		if(openalReady == AL_FALSE)
-		{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-
-		/*Set volume for sound number index*/
-		if (index >= globalindex) {
-			fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
-			return AL_FALSE;
-		}
-		
-		if (percentage > 100)
-			percentage = 100;
-		alSourcef (Sources[index], AL_GAIN, (float) percentage/100.0f);
-		if (AlGetError("ERROR %d: Setting volume for last sound\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		alGetError();  /* clear any AL errors beforehand */
-
-		return AL_TRUE;
-	}
-	
-	
-	ALint openal_setglobalvolume (uint8_t percentage) {
-		if(openalReady == AL_FALSE)
-		{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-
-		/*Set volume for all sounds*/		
-		if (percentage > 100)
-			percentage = 100;
-		alListenerf (AL_GAIN, (float) percentage/100.0f);
-		if (AlGetError("ERROR %d: Setting global volume\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		alGetError();  /* clear any AL errors beforehand */
-
-		return AL_TRUE;
-	}
-	
-	
-	ALint openal_togglemute () {
-		/*Mute or unmute sound*/
-		ALfloat mute;
-		
-		if(openalReady == AL_FALSE)
-		{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-
-		alGetListenerf (AL_GAIN, &mute);
-		if (mute > 0) 
-			mute = 0;
-		else
-			mute = 1.0;
-		alListenerf (AL_GAIN, mute);
-		if (AlGetError("ERROR %d: Setting mute property\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		alGetError();  /* clear any AL errors beforehand */
-
-		return AL_TRUE;
-	}
-	
-	
-	ALint openal_fade(uint32_t index, uint16_t quantity, uint8_t direction) {
-		/*Fade in or out by calling a helper thread*/
+        Buffers = (ALuint*) Realloc(Buffers, sizeof(ALuint)*globalsize);
+        Sources = (ALuint*) Realloc(Sources, sizeof(ALuint)*globalsize);
+        
+        return AL_TRUE;
+    }
+    
+    
+    ALint openal_loadfile (const char *filename){
+        /*Open a file, load into memory and allocate the Source buffer for playing*/
+        ALfloat SourcePos[] = { 0.0, 0.0, 0.0 }; /*Position of the source sound*/
+        ALfloat SourceVel[] = { 0.0, 0.0, 0.0 }; /*Velocity of the source sound*/
+        ALenum format;
+        ALsizei bitsize, freq;
+        char *data;
+        uint32_t fileformat;
+        ALenum error;
+        FILE *fp;
+        
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        /*when the buffers are all used, we can expand memory to accept new files*/
+        if (globalindex == globalsize)
+            helper_realloc();
+        
+        /*detect the file format, as written in the first 4 bytes of the header*/
+        fp = Fopen (filename, "rb");
+        if (fp == NULL)
+            return -1;
+        error = fread (&fileformat, sizeof(uint32_t), 1, fp);
+        fclose (fp);
+        
+        if (error < 0) {
+            fprintf(stderr, "ERROR: file %s is too short \n", filename);
+            return -2;
+        }
+        
+        /*prepare the buffer to receive data*/
+        alGenBuffers(1, &Buffers[globalindex]);
+        
+        if (AlGetError("ERROR %d: Allocating memory for buffers\n") != AL_TRUE)
+            return -3;
+        
+        /*prepare the source to emit sound*/
+        alGenSources(1, &Sources[globalindex]);
+        
+        if (AlGetError("ERROR %d: Allocating memory for sources\n") != AL_TRUE)
+            return -4;
+        
+        
+        if (fileformat == 0x5367674F) /*check if ogg*/
+            error = load_oggvorbis (filename, &format, &data, &bitsize, &freq);
+        else {
+            if (fileformat == 0x46464952) /*check if wav*/
+                error = load_wavpcm (filename, &format, &data, &bitsize, &freq);
+            else {
+                fprintf(stderr, "ERROR: File format (%08X) not supported!\n", invert_endianness(fileformat));
+                return -5;
+            }
+        }
+        
+        /*copy pcm data in one buffer*/
+        alBufferData(Buffers[globalindex], format, data, bitsize, freq);
+        free(data);		/*deallocate data to save memory*/
+        
+        if (AlGetError("ERROR %d: Writing data to buffer\n") != AL_TRUE)
+            return -6;
+        
+        /*set source properties that it will use when it's in playback*/
+        alSourcei (Sources[globalindex], AL_BUFFER,   Buffers[globalindex]  );
+        alSourcef (Sources[globalindex], AL_PITCH,    1.0f                  );
+        alSourcef (Sources[globalindex], AL_GAIN,     1.0f                  );
+        alSourcefv(Sources[globalindex], AL_POSITION, SourcePos             );
+        alSourcefv(Sources[globalindex], AL_VELOCITY, SourceVel             );
+        alSourcei (Sources[globalindex], AL_LOOPING,  0                     );
+        
+        if (AlGetError("ERROR %d: Setting source properties\n") != AL_TRUE)
+            return -7;
+        
+        alGetError();  /* clear any AL errors beforehand */
+        
+        /*returns the index of the source you just loaded, increments it and exits*/
+        return globalindex++;
+    }
+    
+    
+    ALboolean openal_toggleloop (uint32_t index){
+        /*Set or unset looping mode*/
+        ALint loop;
+        
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        if (index >= globalsize) {
+            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
+            return AL_FALSE;
+        }
+        
+        alGetSourcei (Sources[index], AL_LOOPING, &loop);
+        alSourcei (Sources[index], AL_LOOPING, !((uint8_t) loop) & 0x00000001);
+        if (AlGetError("ERROR %d: Getting or setting loop property\n") != AL_TRUE)
+            return AL_FALSE;
+        
+        alGetError();  /* clear any AL errors beforehand */
+        
+        return AL_TRUE;
+    }
+    
+    
+    ALboolean openal_setvolume (uint32_t index, uint8_t percentage) {
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        /*Set volume for sound number index*/
+        if (index >= globalindex) {
+            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
+            return AL_FALSE;
+        }
+        
+        if (percentage > 100)
+            percentage = 100;
+        alSourcef (Sources[index], AL_GAIN, (float) percentage/100.0f);
+        if (AlGetError2("ERROR %d: setting volume for sound %d\n", index) != AL_TRUE)
+            return AL_FALSE;
+        
+        alGetError();  /* clear any AL errors beforehand */
+        
+        return AL_TRUE;
+    }
+    
+    
+    ALboolean openal_setglobalvolume (uint8_t percentage) {
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        /*Set volume for all sounds*/		
+        if (percentage > 100)
+            percentage = 100;
+        alListenerf (AL_GAIN, (float) percentage/100.0f);
+        if (AlGetError("ERROR %d: Setting global volume\n") != AL_TRUE)
+            return AL_FALSE;
+        
+        alGetError();  /* clear any AL errors beforehand */
+        
+        return AL_TRUE;
+    }
+    
+    
+    ALboolean openal_togglemute () {
+        /*Mute or unmute sound*/
+        ALfloat mute;
+        
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        alGetListenerf (AL_GAIN, &mute);
+        if (mute > 0) 
+            mute = 0;
+        else
+            mute = 1.0;
+        alListenerf (AL_GAIN, mute);
+        if (AlGetError("ERROR %d: Setting mute property\n") != AL_TRUE)
+            return AL_FALSE;
+        
+        alGetError();  /* clear any AL errors beforehand */
+        
+        return AL_TRUE;
+    }
+    
+    
+    ALboolean openal_fade (uint32_t index, uint16_t quantity, bool direction) {
+        /*Fade in or out by calling a helper thread*/
 #ifndef _WIN32
-		pthread_t thread;
-#else
-		HANDLE Thread;
-		DWORD threadID;
-#endif
-		fade_t *fade;
-		
-		if(openalReady == AL_FALSE)
-		{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-
-		fade = (fade_t*) Malloc(sizeof(fade_t));
-		fade->index = index;
-		fade->quantity = quantity;
-		
-		if (index >= globalindex) {
-			fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
-			return AL_FALSE;
-		}
-		
-		if (direction == FADE_IN)
-#ifndef _WIN32
-			pthread_create(&thread, NULL, helper_fadein, (void*) fade);
-#else
-			Thread = _beginthread(&helper_fadein, 0, (void*) fade);
-#endif
-		else {
-			if (direction == FADE_OUT)
-#ifndef _WIN32
-				pthread_create(&thread, NULL, helper_fadeout, (void*) fade);
+        pthread_t thread;
 #else
-				Thread = _beginthread(&helper_fadeout, 0, (void*) fade);
+        HANDLE Thread;
+        DWORD threadID;
+#endif
+        fade_t *fade;
+        
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        fade = (fade_t*) Malloc(sizeof(fade_t));
+        fade->index = index;
+        fade->quantity = quantity;
+        
+        if (index >= globalindex) {
+            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
+            return AL_FALSE;
+        }
+        
+        if (direction == FADE_IN)
+#ifndef _WIN32
+            pthread_create(&thread, NULL, helper_fadein, (void*) fade);
+#else
+            Thread = _beginthread(&helper_fadein, 0, (void*) fade);
+#endif
+        else {
+            if (direction == FADE_OUT)
+#ifndef _WIN32
+                pthread_create(&thread, NULL, helper_fadeout, (void*) fade);
+#else
+                Thread = _beginthread(&helper_fadeout, 0, (void*) fade);
 #endif	
-			else {
-				fprintf(stderr, "ERROR: unknown direction for fade (%d)\n", direction);
-				free(fade);
-				return AL_FALSE;
-			}
-		}
-		
+            else {
+                fprintf(stderr, "ERROR: unknown direction for fade (%d)\n", direction);
+                free(fade);
+                return AL_FALSE;
+            }
+        }
+        
 #ifndef _WIN32
-		pthread_detach(thread);
+        pthread_detach(thread);
 #endif
-		
-		alGetError();  /* clear any AL errors beforehand */
-		
-		return AL_TRUE;
-	}
-
-	
-	ALint openal_fadeout(uint32_t index, uint16_t quantity) {
-		/*wrapper for fadeout*/
-		return openal_fade(index, quantity, FADE_OUT);
-	}
-		
-		
-	ALint openal_fadein(uint32_t index, uint16_t quantity) {
-		/*wrapper for fadein*/
-		return openal_fade(index, quantity, FADE_IN);
-	}
-
-	
-	ALint openal_setposition(uint32_t index, float x, float y, float z) {
-		if(openalReady == AL_FALSE)	{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-		if (index >= globalindex) {
-			fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
-			return AL_FALSE;
-		}
-		
-		alSource3f(Sources[index], AL_POSITION, x, y, z);
-		if (AlGetError("ERROR %d: setting position for last sound\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		return AL_TRUE;
-	}
-	ALint openal_playsound(uint32_t index){
-		if(openalReady == AL_FALSE)	{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-
-		/*Play sound number index*/
-		if (index >= globalindex) {
-			fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
-			return AL_FALSE;
-		}
-		alSourcePlay(Sources[index]);
-		if (AlGetError("ERROR %d: Playing last sound\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		alGetError();  /* clear any AL errors beforehand */
-
-		return AL_TRUE;
-	}
-	
-	
-	ALint openal_pausesound(uint32_t index){
-		if(openalReady == AL_FALSE)
-		{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-
-		/*Pause sound number index*/
-		if (index >= globalindex) {
-			fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
-			return AL_FALSE;
-		}
-		alSourcePause(Sources[index]);
-		if (AlGetError("ERROR %d: Pausing last sound\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		return AL_TRUE;
-	}
-	
-	
-	ALint openal_stopsound(uint32_t index){
-		if(openalReady == AL_FALSE)
-		{
-			fprintf(stderr, "ERROR: OpenAL not initialized\n");
-			return AL_FALSE;
-		}
-
-		/*Stop sound number index*/
-		if (index >= globalindex) {
-			fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
-			return AL_FALSE;
-		}
-		alSourceStop(Sources[index]);
-		if (AlGetError("ERROR %d: Stopping last sound\n") != AL_TRUE)
-			return AL_FALSE;
-		
-		alGetError();  /* clear any AL errors beforehand */
-
-		return AL_TRUE;
-	}
-	
+        
+        alGetError();  /* clear any AL errors beforehand */
+        
+        return AL_TRUE;
+    }
+    
+    
+    ALboolean openal_fadeout (uint32_t index, uint16_t quantity) {
+        /*wrapper for fadeout*/
+        return openal_fade(index, quantity, FADE_OUT);
+    }
+    
+    
+    ALboolean openal_fadein (uint32_t index, uint16_t quantity) {
+        /*wrapper for fadein*/
+        return openal_fade(index, quantity, FADE_IN);
+    }
+    
+    
+    ALboolean openal_setposition (uint32_t index, float x, float y, float z) {
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        if (index >= globalindex) {
+            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
+            return AL_FALSE;
+        }
+        
+        alSource3f(Sources[index], AL_POSITION, x, y, z);
+        if (AlGetError2("ERROR %d: setting position for sound %d\n", index) != AL_TRUE)
+            return AL_FALSE;
+        
+        return AL_TRUE;
+    }
+    
+    
+    ALboolean openal_playsound (uint32_t index){
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        /*Play sound number index*/
+        if (index >= globalindex) {
+            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
+            return AL_FALSE;
+        }
+        alSourcePlay(Sources[index]);
+        if (AlGetError2("ERROR %d: Playing sound %d\n", index) != AL_TRUE)
+            return AL_FALSE;
+        
+        alGetError();  /* clear any AL errors beforehand */
+        
+        return AL_TRUE;
+    }
+    
+    
+    ALboolean openal_pausesound(uint32_t index){
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        /*Pause sound number index*/
+        if (index >= globalindex) {
+            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
+            return AL_FALSE;
+        }
+        alSourcePause(Sources[index]);
+        if (AlGetError2("ERROR %d: Pausing sound %d\n", index) != AL_TRUE)
+            return AL_FALSE;
+        
+        return AL_TRUE;
+    }
+    
+    
+    ALboolean openal_stopsound(uint32_t index){
+        if(openalReady == AL_FALSE) {
+            fprintf(stderr, "ERROR: OpenAL not initialized\n");
+            return AL_FALSE;
+        }
+        
+        /*Stop sound number index*/
+        if (index >= globalindex) {
+            fprintf(stderr, "ERROR: index out of bounds (got %d, max %d)\n", index, globalindex);
+            return AL_FALSE;
+        }
+        alSourceStop(Sources[index]);
+        if (AlGetError2("ERROR %d: Stopping sound %d\n", index) != AL_TRUE)
+            return AL_FALSE;
+        
+        alGetError();  /* clear any AL errors beforehand */
+        
+        return AL_TRUE;
+    }
+    
 #ifdef __CPLUSPLUS
 }
 #endif