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OpenAL WIP.

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This commit is contained in:
Steven Fuller 2008-05-19 01:44:35 -07:00 • committed by Patryk Obara
parent 2e7aec7855
commit 68a0572d13
1 changed files with 29 additions and 20 deletions
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49
src/openal.c
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@ -159,24 +159,32 @@ int PlatStartSoundSys()
};
SoundActivated = 0;
if (WantSound == 0)
if (WantSound == 0) {
return 0;
}
attrlist[0] = ALC_FREQUENCY;
attrlist[1] = AvpFrequency;
attrlist[2] = ALC_SYNC;
attrlist[3] = AL_FALSE;
attrlist[4] = 0;
#if defined(_MSC_VER)
buf[0] = 0;
#else
_snprintf(buf, sizeof(buf), "'( (sampling-rate %d ))\n", AvpFrequency);
#endif
AvpSoundDevice = alcOpenDevice(buf);
if (AvpSoundDevice == NULL)
if (AvpSoundDevice == NULL) {
return 0;
}
AvpSoundContext = alcCreateContext(AvpSoundDevice, attrlist);
if (AvpSoundContext == NULL) /* TODO: destroy sound device */
if (AvpSoundContext == NULL) {
/* TODO: destroy sound device */
return 0;
}
alcMakeContextCurrent(AvpSoundContext);
@ -191,13 +199,17 @@ int PlatStartSoundSys()
exit(1);
}
memset( ActiveSounds, 0, sizeof(ActiveSounds) );
for (i = 0; i < SOUND_MAXACTIVE; i++) {
ALuint p;
alGenSources (1, &p);
if (alGetError () != AL_NO_ERROR) {
fprintf (stderr, "alGenSources () error = ...");
return -1;
// TODO - need to figure out how many sources we are allowed to make
//fprintf (stderr, "alGenSources () error = ...");
//return -1;
break;
}
ActiveSounds[i].ds3DBufferP = p;
@ -214,9 +226,6 @@ int PlatStartSoundSys()
alSourcefv(p, AL_POSITION, ActiveSounds[i].PropSetP_pos);
alSourcefv(p, AL_VELOCITY, ActiveSounds[i].PropSetP_vel);
/*
alSourcef(p, AL_ROLLOFF_FACTOR, 0.0f);
*/
alSourcef(p, AL_ROLLOFF_FACTOR, 0.01f);
alSourcef(p, AL_REFERENCE_DISTANCE, 1.0f);
}
@ -859,7 +868,8 @@ unsigned int PlatMaxHWSounds()
#ifdef OPENAL_DEBUG
fprintf(stderr, "OPENAL: PlatMaxHWSounds()\n");
#endif
return 32;
// TODO - need to implement this for real?
return 0;
}
void InitialiseBaseFrequency(SOUNDINDEX soundNum)
@ -974,8 +984,7 @@ printf("WAV DEBUG: bad bit setup\n");
int LoadWavFile(int soundNum, char * wavFileName)
{
ALuint size;
ALushort freq, chan, format;
ALushort freq, format;
ALvoid *data, *bufferPtr;
int len, seclen;
FILE *fp;
@ -1030,9 +1039,8 @@ unsigned char *ExtractWavFile(int soundIndex, unsigned char *bufferPtr)
{
ALint len, seclen = 0;
void *udata;
ALushort rfmt, rchan, rfreq;
ALuint rsize;
int slen;
ALushort rfmt, rfreq;
size_t slen;
#ifdef OPENAL_DEBUG
fprintf(stderr, "OPENAL: ExtractWavFile(%d, %p)\n", soundIndex, bufferPtr);
@ -1073,7 +1081,8 @@ int LoadWavFromFastFile(int soundNum, char * wavFileName)
{
FFILE *fp;
unsigned char *buf;
unsigned int len = 0;
size_t len;
int ok = 0;
#ifdef OPENAL_DEBUG
fprintf(stderr, "OPENAL: LoadWavFromFastFile(%d, %s)\n", soundNum, wavFileName);
@ -1087,9 +1096,9 @@ int LoadWavFromFastFile(int soundNum, char * wavFileName)
strcpy (buf, wavFileName);
ffread (&buf[strlen(wavFileName)+1], len, 1, fp);
ffclose (fp);
len = (int)ExtractWavFile (soundNum, buf);
ok = ( ExtractWavFile (soundNum, buf) != NULL );
free (buf);
}
return len;
return ok;
}