--- a/openalbridge/openalbridge.c Sat Oct 17 13:47:58 2009 +0000
+++ b/openalbridge/openalbridge.c Sat Oct 17 13:51:16 2009 +0000
@@ -18,566 +18,481 @@
#include "openalbridge.h"
-char oalbReady = 0;
-int iNumSounds = 0;
-char *prog;
-/*Sources are points emitting sound*/
-ALuint Sources[MAX_SOURCES];
-/*structure that holds information about sounds*/
-SSound_t *theSounds;
-
-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*/
-
-/**
- * const char oalb_init (const char* programname, const char usehardware)
- *
- * ARGUMENTS
- * programname [const char*]: name of the program invoking OpenAL
- * usehardware [const char] : flag to enable audio hardware acceleration
- * DESCRIPTION
- *
- * RETURN
- * 1 success
- * 2 error
- */
-
-const char oalb_init (const char* programname, const char usehardware) {
- /*Initialize an OpenAL contex and allocate memory space for data and buffers*/
- ALCcontext *context;
- ALCdevice *device;
- const ALCchar *default_device;
- int i;
+#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;
+
+ ALboolean openalReady = AL_FALSE;
- prog = (char *) programname;
-
- /*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 (oalbReady == 1) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL already initialized", prog);
- return AL_FALSE;
+ ALboolean openal_close (void) {
+ /*Stop all sounds, deallocate all memory and close OpenAL */
+ ALCcontext *context;
+ ALCdevice *device;
+
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ 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;
}
-#ifdef _WIN32
- /* Hardware acceleration is broken on some windows card*/
- if (usehardware != 0)
- device = alcOpenDevice(NULL);
- else
- {
- device = alcOpenDevice("Generic Software");
- if(!device)
- {
- err_msg("(%s) WARN - Failed to open software device", prog);
- device = alcOpenDevice(NULL);
- }
- }
-#else
- /*always hardware for UNIX systems*/
- device = alcOpenDevice(NULL);
-#endif
-
- if (device == NULL) {
- errno = ENODEV;
- err_ret("(%s) WARN - Failed to open sound device", prog);
- return AL_FALSE;
- }
- err_msg("(%s) INFO - Output device: %s", prog, alcGetString(device, ALC_DEVICE_SPECIFIER));
-
- context = alcCreateContext(device, NULL);
- alcMakeContextCurrent(context);
- alcProcessContext(context);
-
- if (AlGetError("(%s) ERROR - Failed to create a new contex") != AL_TRUE)
- return AL_FALSE;
-
- /*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("(%s) WARN - Failed to set Listener properties") != AL_TRUE)
- return AL_FALSE;
-
- theSounds = (SSound_t*) Malloc(sizeof(SSound_t)*MAX_SOUNDS);
- for (i = 0; i < MAX_SOUNDS; i++) {
- theSounds->isLoaded = 0;
- theSounds->sourceIndex = -1;
- }
-
- alGenSources(MAX_SOURCES, Sources);
- oalbReady = 1;
-
- alGetError(); /* clear any AL errors beforehand */
- return AL_TRUE;
-}
-
-
-/**
- * void oalb_close (void)
- *
- * ARGUMENTS
- * -
- * DESCRIPTION
- * Stop all sounds, deallocate all memory and close OpenAL
- * RETURN
- * -
- */
-
-void oalb_close (void) {
- /*Stop all sounds, deallocate all memory and close OpenAL */
- ALCcontext *context;
- ALCdevice *device;
- int i;
-
- if (oalbReady == 0) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return;
+ ALboolean openal_ready(void) {
+ return openalReady;
}
- alSourceStopv (MAX_SOURCES, Sources);
- alDeleteSources (MAX_SOURCES, Sources);
-
- for (i = 0; i < MAX_SOUNDS; i++) {
- free(theSounds[i].filename);
- alDeleteBuffers (1, &theSounds[i].Buffer);
+ ALboolean openal_init(char* programname, ALboolean usehardware, uint32_t memorysize) {
+ /*Initialize an OpenAL contex and allocate memory space for data and buffers*/
+ ALCcontext *context;
+ ALCdevice *device;
+ const ALCchar *default_device;
+
+ prog = programname;
+
+ /*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) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL already initialized", prog);
+ return AL_FALSE;
+ }
+
+ if (usehardware == AL_TRUE)
+ device = alcOpenDevice(NULL);
+ else
+ device = alcOpenDevice("Generic Software");
+
+ if (device == NULL) {
+ errno = ENODEV;
+ err_ret("(%s) WARN - Failed to open sound device", prog);
+ return AL_FALSE;
+ }
+ err_msg("(%s) INFO - Output device: %s", prog, alcGetString(device, ALC_DEVICE_SPECIFIER));
+
+ context = alcCreateContext(device, NULL);
+ alcMakeContextCurrent(context);
+ alcProcessContext(context);
+
+ if (AlGetError("(%s) WARN - Failed to create a new contex") != AL_TRUE)
+ return AL_FALSE;
+
+ /*allocate memory space for buffers and sources*/
+ if (memorysize == 0)
+ globalsize = 50;
+ else
+ globalsize = memorysize;
+ increment = globalsize;
+
+ 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("(%s) WARN - Failed to set Listener properties") != AL_TRUE)
+ return AL_FALSE;
+
+ openalReady = AL_TRUE;
+
+ alGetError(); /* clear any AL errors beforehand */
+ return AL_TRUE;
}
- free(theSounds);
-
- context = alcGetCurrentContext();
- device = alcGetContextsDevice(context);
-
- alcMakeContextCurrent(NULL);
- alcDestroyContext(context);
- alcCloseDevice(device);
-
- oalbReady = 0;
- return;
-}
-
-/**
- * char oalb_ready (void)
- *
- * ARGUMENTS
- * -
- * DESCRIPTION
- *
- * RETURN
- * -
- */
-
-char oalb_ready (void) {
- return oalbReady;
-}
-/*
- ALboolean helper_realloc (void) {
- expands allocated memory when loading more sound files than expected
- int oldsize = globalsize;
- globalsize += increment;
-
- #ifdef DEBUG
- err_msg("(%s) INFO - Realloc in process from %d to %d\n", prog, oldsize, globalsize);
- #endif
-
- Buffers = (ALuint*) Realloc(Buffers, sizeof(ALuint)*globalsize);
- Sources = (ALuint*) Realloc(Sources, sizeof(ALuint)*globalsize);
-
- return AL_TRUE;
- }*/
-
-/**
- * const int32_t oalb_loadfile (const char *filename)
- *
- * ARGUMENTS
- * -
- * DESCRIPTION
- *
- * RETURN
- * -
- */
-
-const int32_t oalb_loadfile (const char *filename){
- /*Open a file, load into memory and allocate the Source buffer for playing*/
- ALenum format, error;
- ALsizei bitsize, freq;
- char *data;
- int namelength, i;
- uint32_t magic;
- FILE *fp;
-
- if (oalbReady == 0) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return -1;
+ ALboolean helper_realloc (void) {
+ /*expands allocated memory when loading more sound files than expected*/
+ int oldsize = globalsize;
+ globalsize += increment;
+
+#ifdef DEBUG
+ err_msg("(%s) INFO - Realloc in process from %d to %d\n", prog, oldsize, globalsize);
+#endif
+
+ Buffers = (ALuint*) Realloc(Buffers, sizeof(ALuint)*globalsize);
+ Sources = (ALuint*) Realloc(Sources, sizeof(ALuint)*globalsize);
+
+ return AL_TRUE;
}
- /*when the buffers are all used, we can expand memory to accept new files*/
- // if (globalindex == globalsize)
- // helper_realloc();
- namelength=strlen(filename);
- /*if this sound is already loaded return the index from theSounds*/
- for (i = 0; i < iNumSounds; i++){
- if (theSounds[iNumSounds].isLoaded == 1) {
- if (strncmp(theSounds[iNumSounds].filename, filename, namelength) == 0)
- return i;
+ 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) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ 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) {
+ errno = EIO;
+ err_ret("(%s) ERROR - File %s is too short", prog, filename);
+ return -2;
}
- }
-
- /*else load it and store it into a theSounds cell*/
-
- /*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 (&magic, sizeof(uint32_t), 1, fp);
- fclose (fp);
-
- if (error < 0) {
- errno = EIO;
- err_ret("(%s) ERROR - File %s is too short", prog, filename);
- return -2;
- }
-
- switch (ENDIAN_BIG_32(magic)) {
- case OGG_FILE_FORMAT:
- error = load_oggvorbis (filename, &format, &data, &bitsize, &freq);
- break;
- case WAV_FILE_FORMAT:
- error = load_wavpcm (filename, &format, &data, &bitsize, &freq);
- break;
- default:
- errno = EINVAL;
- err_ret ("(%s) ERROR - File format (%08X) not supported", prog, ENDIAN_BIG_32(magic));
- return -5;
- break;
- }
-
- theSounds[iNumSounds].filename = (char*) Malloc(sizeof(char) * namelength);
- strncpy(theSounds[iNumSounds].filename, filename, namelength);
- theSounds[iNumSounds].isLoaded = 1;
-
- /*prepare the buffer to receive data*/
- alGenBuffers(1, &theSounds[iNumSounds].Buffer);
-
- if (AlGetError("(%s) ERROR - Failed to allocate memory for buffers") != AL_TRUE)
- return -3;
-
- /*copy pcm data in one buffer*/
- alBufferData(theSounds[iNumSounds].Buffer, format, data, bitsize, freq);
- /*deallocate data to save memory*/
- free(data);
-
- if (AlGetError("(%s) ERROR - Failed to write data to buffers") != AL_TRUE)
- return -6;
-
- alGetError(); /* clear any AL errors beforehand */
-
- /*returns the index of the source you just loaded, increments it and exits*/
- return iNumSounds++;
-}
-
-
-
-void oalb_setvolume (const uint32_t iIndex, const char cPercentage) {
- float percentage;
-
- if (oalbReady == 0) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return;
+
+ /*prepare the buffer to receive data*/
+ alGenBuffers(1, &Buffers[globalindex]);
+
+ if (AlGetError("(%s) ERROR - Failed to allocate memory for buffers") != AL_TRUE)
+ return -3;
+
+ /*prepare the source to emit sound*/
+ alGenSources(1, &Sources[globalindex]);
+
+ if (AlGetError("(%s) ERROR - Failed to allocate memory for sources") != AL_TRUE)
+ return -4;
+
+
+ switch (ENDIAN_BIG_32(fileformat)) {
+ case OGG_FILE_FORMAT:
+ error = load_oggvorbis (filename, &format, &data, &bitsize, &freq);
+ break;
+ case WAV_FILE_FORMAT:
+ error = load_wavpcm (filename, &format, &data, &bitsize, &freq);
+ break;
+ default:
+ errno = EINVAL;
+ err_ret ("(%s) ERROR - File format (%08X) not supported", prog, ENDIAN_BIG_32(fileformat));
+ return -5;
+ break;
+ }
+
+
+ /*copy pcm data in one buffer*/
+ alBufferData(Buffers[globalindex], format, data, bitsize, freq);
+ free(data); /*deallocate data to save memory*/
+
+ if (AlGetError("(%s) ERROR - Failed to write data to buffers") != 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("(%s) ERROR - Failed to set Source properties") != 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++;
}
- /*Set volume for sound number index*/
- if(iIndex < 0 || iIndex >= iNumSounds) {
- errno = EINVAL;
- err_ret("(%s) ERROR - Index (%d) out of bounds", prog, iIndex);
- return;
- }
- if(cPercentage > 100)
- percentage = 1.0f;
- else
- percentage = cPercentage / 100.0f;
-
- alSourcef(Sources[theSounds[iIndex].sourceIndex], AL_GAIN, percentage);
-
- if (AlGetError2("(%s) ERROR - Failed to set volume for sound %d\n", iIndex) != AL_TRUE)
- return;
-
- alGetError(); /* clear any AL errors beforehand */
-
- return;
-}
-
-
-
-void oalb_setglobalvolume (const char cPercentage) {
- if (oalbReady == 0) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return;
- }
-
- /*Set volume for all sounds*/
- if(cPercentage > 100)
- alListenerf (AL_GAIN, 1.0f);
- else
- alListenerf (AL_GAIN, cPercentage / 100.0f);
-
- if (AlGetError("(%s) ERROR - Failed to set global volume") != AL_TRUE)
- return;
-
- alGetError(); /* clear any AL errors beforehand */
-
- return;
-}
-
-void oalb_togglemute (void) {
- /*Mute or unmute sound*/
- ALfloat mute;
-
- if (oalbReady == AL_FALSE) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return;
+ ALboolean openal_toggleloop (uint32_t index){
+ /*Set or unset looping mode*/
+ ALint loop;
+
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ return AL_FALSE;
+ }
+
+ if (index >= globalsize) {
+ errno = EINVAL;
+ err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
+ return AL_FALSE;
+ }
+
+ alGetSourcei (Sources[index], AL_LOOPING, &loop);
+ alSourcei (Sources[index], AL_LOOPING, !((uint8_t) loop) & 0x00000001);
+ if (AlGetError("(%s) ERROR - Failed to get or set loop property") != AL_TRUE)
+ return AL_FALSE;
+
+ alGetError(); /* clear any AL errors beforehand */
+
+ return AL_TRUE;
}
- alGetListenerf (AL_GAIN, &mute);
- if (mute > 0)
- mute = 0;
- else
- mute = 1.0;
- alListenerf (AL_GAIN, mute);
-
- if (AlGetError("(%s) ERROR - Failed to set mute property") != AL_TRUE)
- return;
-
- alGetError(); /* clear any AL errors beforehand */
-
- return;
-}
-
-
-void oalb_fade (uint32_t iIndex, uint16_t quantity, ALboolean 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 (oalbReady == 0) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return ;
+ ALboolean openal_setvolume (uint32_t index, uint8_t percentage) {
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ return AL_FALSE;
+ }
+
+ /*Set volume for sound number index*/
+ if (index >= globalsize) {
+ errno = EINVAL;
+ err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
+ return AL_FALSE;
+ }
+
+ if (percentage > 100)
+ percentage = 100;
+ alSourcef (Sources[index], AL_GAIN, (float) percentage/100.0f);
+ if (AlGetError2("(%s) ERROR - Failed to set volume for sound %d\n", index) != AL_TRUE)
+ return AL_FALSE;
+
+ alGetError(); /* clear any AL errors beforehand */
+
+ return AL_TRUE;
}
- fade = (fade_t*) Malloc(sizeof(fade_t));
- fade->index = theSounds[iIndex].sourceIndex;
- fade->quantity = quantity;
- if(iIndex < 0 || iIndex >= iNumSounds) {
- errno = EINVAL;
- err_ret("(%s) ERROR - Index (%d) out of bounds", prog, iIndex);
- return;
+ ALboolean openal_setglobalvolume (uint8_t percentage) {
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ return AL_FALSE;
+ }
+
+ /*Set volume for all sounds*/
+ if (percentage > 100)
+ percentage = 100;
+ alListenerf (AL_GAIN, (float) percentage/100.0f);
+ if (AlGetError("(%s) ERROR - Failed to set global volume") != AL_TRUE)
+ return AL_FALSE;
+
+ alGetError(); /* clear any AL errors beforehand */
+
+ return AL_TRUE;
}
- switch (direction) {
- case FADE_IN:
-#ifndef _WIN32
- pthread_create(&thread, NULL, helper_fadein, (void*) fade);
-#else
- Thread = _beginthread(&helper_fadein, 0, (void*) fade);
-#endif
- break;
- case FADE_OUT:
-#ifndef _WIN32
- pthread_create(&thread, NULL, helper_fadeout, (void*) fade);
-#else
- Thread = _beginthread(&helper_fadeout, 0, (void*) fade);
-#endif
- break;
- default:
- errno = EINVAL;
- err_ret("(%s) ERROR - Unknown direction for fading", prog, iIndex);
- free(fade);
- return;
- break;
+
+ ALboolean openal_togglemute () {
+ /*Mute or unmute sound*/
+ ALfloat mute;
+
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ return AL_FALSE;
+ }
+
+ alGetListenerf (AL_GAIN, &mute);
+ if (mute > 0)
+ mute = 0;
+ else
+ mute = 1.0;
+ alListenerf (AL_GAIN, mute);
+ if (AlGetError("(%s) ERROR - Failed to set mute property") != AL_TRUE)
+ return AL_FALSE;
+
+ alGetError(); /* clear any AL errors beforehand */
+
+ return AL_TRUE;
}
+
+ ALboolean openal_fade (uint32_t index, uint16_t quantity, ALboolean direction) {
+ /*Fade in or out by calling a helper thread*/
#ifndef _WIN32
- pthread_detach(thread);
+ pthread_t thread;
+#else
+ HANDLE Thread;
+ DWORD threadID;
#endif
-
- alGetError(); /* clear any AL errors beforehand */
-
- return;
-}
-
-
-void oalb_fadeout (uint32_t index, uint16_t quantity) {
- /*wrapper for fadeout*/
- oalb_fade(index, quantity, FADE_OUT);
- return;
-}
-
-
-void oalb_fadein (uint32_t index, uint16_t quantity) {
- /*wrapper for fadein*/
- oalb_fade(index, quantity, FADE_IN);
- return;
-}
-
-
-/* ALboolean openal_setposition (uint32_t index, float x, float y, float z) {
- if (openalReady == AL_FALSE) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return AL_FALSE;
- }
-
- if (index >= globalsize) {
- errno = EINVAL;
- err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
- return AL_FALSE;
- }
-
- alSource3f(Sources[index], AL_POSITION, x, y, z);
- if (AlGetError2("(%s) ERROR - Failed to set position for sound %d)", index) != AL_TRUE)
- return AL_FALSE;
-
- return AL_TRUE;
- }*/
-
-
-void oalb_playsound (const uint32_t iIndex, const char bLoop){
- int findNewSource;
- int i, j, state;
-
- if (oalbReady == 0) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return;
+ fade_t *fade;
+
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ return AL_FALSE;
+ }
+
+ fade = (fade_t*) Malloc(sizeof(fade_t));
+ fade->index = index;
+ fade->quantity = quantity;
+
+ if (index >= globalsize) {
+ errno = EINVAL;
+ err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
+ return AL_FALSE;
+ }
+
+ switch (direction) {
+ case FADE_IN:
+#ifndef _WIN32
+ pthread_create(&thread, NULL, helper_fadein, (void*) fade);
+#else
+ Thread = _beginthread(&helper_fadein, 0, (void*) fade);
+#endif
+ break;
+ case FADE_OUT:
+#ifndef _WIN32
+ pthread_create(&thread, NULL, helper_fadeout, (void*) fade);
+#else
+ Thread = _beginthread(&helper_fadeout, 0, (void*) fade);
+#endif
+ break;
+ default:
+ errno = EINVAL;
+ err_ret("(%s) ERROR - Unknown direction for fading", prog, index, globalindex);
+ free(fade);
+ return AL_FALSE;
+ break;
+ }
+
+#ifndef _WIN32
+ pthread_detach(thread);
+#endif
+
+ alGetError(); /* clear any AL errors beforehand */
+
+ return AL_TRUE;
}
- /*Play sound number index*/
- if(iIndex < 0 || iIndex >= iNumSounds) {
- errno = EINVAL;
- err_ret("(%s) ERROR - Index (%d) out of bounds", prog, iIndex);
- return;
+
+ ALboolean openal_fadeout (uint32_t index, uint16_t quantity) {
+ /*wrapper for fadeout*/
+ return openal_fade(index, quantity, FADE_OUT);
}
- /*check if sound has already a source*/
- if (theSounds[iIndex].sourceIndex == -1) {
- /*needs a new source*/
- findNewSource = 1;
- } else {
- /*already has a source -- check it's not playing*/
- alGetSourcei(Sources[theSounds[iIndex].sourceIndex], AL_SOURCE_STATE, &state);
- if(state == AL_PLAYING || state == AL_PAUSED) {
- /*it is being played, so we have to allocate a new source*/
- findNewSource = 1;
- } else {
- /*it is not being played, so we can use it safely*/
- findNewSource = 0;
- }
+
+ ALboolean openal_fadein (uint32_t index, uint16_t quantity) {
+ /*wrapper for fadein*/
+ return openal_fade(index, quantity, FADE_IN);
}
- if (findNewSource == 1) {
-#ifdef DEBUG
- err_msg("(%s) DEBUG - Looking for a source for sound %d", prog, iIndex);
-#endif
- for (i = 0; i < MAX_SOURCES; i++) {
- alGetSourcei(Sources[i], AL_SOURCE_STATE, &state);
- if(state != AL_PLAYING && state != AL_PAUSED) {
- // alSourceStop(Sources[i]);
- // alGetError();
- for(j = 0; j < iNumSounds; j++)
- if(theSounds[j].isLoaded && theSounds[j].sourceIndex == i)
- theSounds[j].sourceIndex = -1;
- break;
- } else {
- //TODO: what happens when all 16 sources are busy?
- }
+
+ ALboolean openal_setposition (uint32_t index, float x, float y, float z) {
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ return AL_FALSE;
+ }
+
+ if (index >= globalsize) {
+ errno = EINVAL;
+ err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
+ return AL_FALSE;
}
- theSounds[iIndex].sourceIndex = i;
+
+ alSource3f(Sources[index], AL_POSITION, x, y, z);
+ if (AlGetError2("(%s) ERROR - Failed to set position for sound %d)", index) != AL_TRUE)
+ return AL_FALSE;
+
+ return AL_TRUE;
+ }
+
+
+ ALboolean openal_playsound (uint32_t index){
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ return AL_FALSE;
+ }
+
+ /*Play sound number index*/
+ if (index >= globalsize) {
+ errno = EINVAL;
+ err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
+ return AL_FALSE;
+ }
+ alSourcePlay(Sources[index]);
+ if (AlGetError2("(%s) ERROR - Failed to play sound %d)", index) != AL_TRUE)
+ return AL_FALSE;
+
+ alGetError(); /* clear any AL errors beforehand */
+
+ return AL_TRUE;
}
- alSourcei (Sources[theSounds[iIndex].sourceIndex], AL_BUFFER, theSounds[iIndex].Buffer);
- alSourcef (Sources[theSounds[iIndex].sourceIndex], AL_PITCH, 1.0f );
- alSourcef (Sources[theSounds[iIndex].sourceIndex], AL_GAIN, 1.0f );
- alSourcefv(Sources[theSounds[iIndex].sourceIndex], AL_POSITION, SourcePos );
- alSourcefv(Sources[theSounds[iIndex].sourceIndex], AL_VELOCITY, SourceVel );
- alSourcei (Sources[theSounds[iIndex].sourceIndex], AL_LOOPING, bLoop );
- if (AlGetError("(%s) ERROR - Failed to set Source properties") != AL_TRUE)
- return;
- alSourcePlay(Sources[theSounds[iIndex].sourceIndex]);
- if (AlGetError2("(%s) ERROR - Failed to play sound %d)", iIndex) != AL_TRUE)
- return;
-
- alGetError(); /* clear any AL errors beforehand */
-
- return;
-}
-
-
-void oalb_pausesound (const uint32_t iIndex) {
- if (oalbReady == AL_FALSE) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return;
+ ALboolean openal_pausesound(uint32_t index){
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ return AL_FALSE;
+ }
+
+ /*Pause sound number index*/
+ if (index >= globalsize) {
+ errno = EINVAL;
+ err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
+ return AL_FALSE;
+ }
+ alSourcePause(Sources[index]);
+ if (AlGetError2("(%s) ERROR - Failed to pause sound %d)", index) != AL_TRUE)
+ return AL_FALSE;
+
+ return AL_TRUE;
}
- /*Pause sound number index*/
- if(iIndex < 0 || iIndex >= iNumSounds) {
- errno = EINVAL;
- err_ret("(%s) ERROR - Index (%d) out of bounds", prog, iIndex);
- return;
- }
- alSourcePause(Sources[theSounds[iIndex].sourceIndex]);
- if (AlGetError2("(%s) ERROR - Failed to pause sound %d)", iIndex) != AL_TRUE)
- return;
- return;
-}
-
-
-void oalb_stopsound (const uint32_t iIndex) {
- if (oalbReady == AL_FALSE) {
- errno = EPERM;
- err_ret("(%s) WARN - OpenAL not initialized", prog);
- return;
+ ALboolean openal_stopsound(uint32_t index){
+ if (openalReady == AL_FALSE) {
+ errno = EPERM;
+ err_ret("(%s) WARN - OpenAL not initialized", prog);
+ return AL_FALSE;
+ }
+
+ /*Stop sound number index*/
+ if (index >= globalsize) {
+ errno = EINVAL;
+ err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
+ return AL_FALSE;
+ }
+ alSourceStop(Sources[index]);
+ if (AlGetError2("(%s) ERROR - Failed to stop sound %d)", index) != AL_TRUE)
+ return AL_FALSE;
+
+ alGetError(); /* clear any AL errors beforehand */
+
+ return AL_TRUE;
}
- /*Stop sound number index*/
- if(iIndex < 0 || iIndex >= iNumSounds) {
- errno = EINVAL;
- err_ret("(%s) ERROR - Index (%d) out of bounds", prog, iIndex);
- return;
- }
- alSourceStop(Sources[theSounds[iIndex].sourceIndex]);
-
- if (AlGetError2("(%s) ERROR - Failed to stop sound %d)", iIndex) != AL_TRUE)
- return;
-
- alGetError(); /* clear any AL errors beforehand */
-
- return;
+#ifdef __CPLUSPLUS
}
+#endif