bool CSoundData::ReadFromDisk()
{
assert(m_assigned == true);
LARGE_INTEGER start;
QueryPerformanceCounter(&start);
U32* s = (U32 *) AIL_file_read(m_filename, FILE_READ_WITH_SIZE);
if (s == NULL)
return false;
S32 type = AIL_file_type(s + 1, s[0]);
AILSOUNDINFO info;
switch (type)
{
case AILFILETYPE_PCM_WAV:
{
m_data = s;
m_size = *((S32 *) s);
m_flag |= FLAG_DATA_SIZE;
}
break;
case AILFILETYPE_ADPCM_WAV: // 3D 사운드는 decompress 해야 함.
{
AIL_WAV_info(s + 1, &info);
AIL_decompress_ADPCM(&info, &m_data, &m_size);
AIL_mem_free_lock(s);
}
break;
case AILFILETYPE_MPEG_L3_AUDIO:
{
AIL_decompress_ASI(s + 1, *((S32 *) s), m_filename, &m_data, &m_size, 0);
AIL_mem_free_lock(s);
}
break;
default:
assert(!"Unknown File Type");
AIL_mem_free_lock(s);
return false;
}
return true;
}
void vrpn_Sound_Server_Miles::loadSound(char* filename, vrpn_SoundID id)
/*loads a .wav file into memory. gives back id to reference the sound
currently (7/28/99) this does not reuse space previously vacated in
samples by unloading sounds*/
{
if (provider != 0) {
fprintf(stdout,"Loading sound: #%d %s\n", id, filename);
ChangeSoundIdBox(0,id);
//load into handle
unsigned long *s;
long type;
H3DSAMPLE handle;
void *sample_address;
void *d;
AILSOUNDINFO info;
LastSoundId = id;
//load the .wav file into memory
s = (unsigned long *)AIL_file_read(filename, FILE_READ_WITH_SIZE);
if (s==0)
return;
type=AIL_file_type(s+1,s[0]);
switch (type) {
case AILFILETYPE_PCM_WAV:
sample_address = s+1;
break;
case AILFILETYPE_ADPCM_WAV:
AIL_WAV_info(s+1,&info);
AIL_decompress_ADPCM(&info,&d,0);
AIL_mem_free_lock(s);
sample_address = d;
break;
default:
AIL_mem_free_lock(s);
return;
}
//initialize handle
handle = AIL_allocate_3D_sample_handle(provider);
//tell handle where the .wav file is in memory
AIL_set_3D_sample_file(handle, sample_address);
//set defaults
AIL_set_3D_sample_volume(handle, 100); //default volume is 100 on 0...127 inclusive
AIL_set_3D_position(handle,0,0,0);
AIL_set_3D_orientation(handle, 0,0,-1,0,1,0);
AIL_set_3D_velocity(handle,0,0,-1,0);
AIL_set_3D_sample_distances(handle, 200, 20);
//load handle into samples
addSample(handle, id);
/*Sample level environment preferences (ie, EAX_ENVIRONMENT_BATHROOM)
could be added in here as a passed-in parameter*/
}
else fprintf(stderr,"No provider has been set prior to LoadSound\n");
}
