void processWAVFiles(const char *inputDir, const char *outputDir) {
/* Get the names of all the audio files. */
DIR *d;
struct dirent *dir;
d = opendir(inputDir);
size_t count = 0;
if (d)
{
while ((dir = readdir(d)) != NULL)
{
if (strstr(dir->d_name, "wav") != NULL) {
count++;
printf("%s\n", dir->d_name);
}
}
char **files = (char **)malloc(count * sizeof(char *));
d = opendir(inputDir);
size_t idx = 0;
while ((dir = readdir(d)) != NULL)
{
if (strstr(dir->d_name, "wav") != NULL) {
files[idx] = (char *)malloc(sizeof(inputDir) + sizeof(dir->d_name) + 1);
files[idx] = dir->d_name;
idx++;
}
}
closedir(d);
printf("Reading\n");
/* Read in the WAV files */
for (int i = 0; i < count; i++) {
char *file = files[i];
char str[sizeof(char *) * sizeof(file) + 100];
strcpy(str, inputDir);
strcat(str, "/");
strcat(str, file);
char outstring[100] = "";
strcat(outstring, outputDir);
strcat(outstring, "/");
char buffer[10];
sprintf(buffer, "%d", i+1);
strcat(outstring, buffer);
printf("%s\n", outstring);
openWAV(str, outstring);
}
free(files);
}
else {
printf("Need directory \"%s\" with wav files", inputDir);
}
}
void initOpenAL() {
ALenum errorNum = alGetError();
// initialise OpenAL
ALCdevice* device = alcOpenDevice(NULL);
ALCcontext* context = alcCreateContext(device, NULL);
alcMakeContextCurrent(context);
errorNum = alGetError();
alListener3f(AL_POSITION, 0, 0, 0);
errorNum = alGetError();
alListener3f(AL_VELOCITY, 0, 0, 0);
errorNum = alGetError();
ALfloat listenerOri[]={0.0,0.0,1.0, 0.0,1.0,0.0};
alListenerfv(AL_ORIENTATION, listenerOri);
errorNum = alGetError();
alGenSources(1, &hitSound);
alGenSources(1, &spinSound);
alGenSources(1, &deadSound);
alGenSources(1, &scoreSound);
alGenSources(1, &music);
errorNum = alGetError();
alSourcef(hitSound, AL_PITCH, 1);
alSourcef(spinSound, AL_PITCH, 1);
alSourcef(deadSound, AL_PITCH, 1);
alSourcef(scoreSound, AL_PITCH, 1);
alSourcef(music, AL_PITCH, 1);
alSourcef(hitSound, AL_GAIN, 1);
alSourcef(spinSound, AL_GAIN, 1);
alSourcef(deadSound, AL_GAIN, 0.4);
alSourcef(scoreSound, AL_GAIN, 0.6);
alSourcef(music, AL_GAIN, 0.4);
alSource3f(hitSound, AL_POSITION, 0, 0, 0);
alSource3f(spinSound, AL_POSITION, 0, 0, 0);
alSource3f(deadSound, AL_POSITION, 0, 0, 0);
alSource3f(scoreSound, AL_POSITION, 0, 0, 0);
alSource3f(music, AL_POSITION, 0, 0, 0);
alSource3f(hitSound, AL_VELOCITY, 0, 0, 0);
alSource3f(spinSound, AL_VELOCITY, 0, 0, 0);
alSource3f(deadSound, AL_VELOCITY, 0, 0, 0);
alSource3f(scoreSound, AL_VELOCITY, 0, 0, 0);
alSource3f(music, AL_VELOCITY, 0, 0, 0);
alSourcei(hitSound, AL_LOOPING, AL_FALSE);
alSourcei(spinSound, AL_LOOPING, AL_FALSE);
alSourcei(deadSound, AL_LOOPING, AL_FALSE);
alSourcei(scoreSound, AL_LOOPING, AL_FALSE);
alSourcei(music, AL_LOOPING, AL_FALSE);
errorNum = alGetError();
openWAV("arcade.wav", &hitSound);
openWAV("powerup.wav", &spinSound);
openWAV("pulsegun.wav", &deadSound);
openWAV("spaceship_hit.wav", &scoreSound);
openWAV("depthcharge_music.wav", &music);
printf("Error after alBufferData, before alSourcePlay: %x\n", alGetError());
playMusic();
errorNum = alGetError();
if (errorNum != AL_NO_ERROR) {
printf("Error starting playback: %x", errorNum);
}
}