void CA_UnloadAcoustic(CA_Acoustic *hAcoust)
{
TRY_CA_EXCEPT
ASSERT(hAcoust);
if (hAcoust->is_loaded == False)
SERVICE_ERROR(ACOUSTIC_NOT_LOADED);
if (hAcoust->swimodel)
{
free_swimodel(hAcoust->swimodel);
hAcoust->swimodel = 0;
hAcoust->is_loaded = False;
return;
}
else
SERVICE_ERROR(ACOUSTIC_NOT_LOADED);
return;
BEG_CATCH_CA_EXCEPT
END_CATCH_CA_EXCEPT(hAcoust)
}
const SWIModel* load_swimodel(const char *filename)
{
int i;
SWIModel *swimodel = NULL;
const void* file = NULL;
#ifdef SREC_ENGINE_VERBOSE_LOGGING
PLogMessage("load_swimodel: loaded %s", filename);
#endif
swimodel = (SWIModel*) CALLOC(1, sizeof(SWIModel), "clib.models.base");
if (mmap_zip(filename, &swimodel->mmap_zip_data, &swimodel->mmap_zip_size)) {
PLogError("load_swimodel: mmap_zip failed for %s\n", filename);
goto CLEANUP;
}
file = swimodel->mmap_zip_data;
swimodel->num_hmmstates = *(const short*)file;
file += sizeof(short);
swimodel->num_dims = *(const short*)file;
file += sizeof(short);
swimodel->num_pdfs = *(const short*)file;
file += sizeof(short);
SWIhmmState* hmmstates = (SWIhmmState*) CALLOC(swimodel->num_hmmstates, sizeof(SWIhmmState), "clib.models.states");
swimodel->hmmstates = hmmstates;
const short* num_pdfs_in_model = (const short*)file;
file += sizeof(short) * swimodel->num_hmmstates;
swimodel->allmeans = (const featdata*)file;
file += sizeof(featdata) * swimodel->num_pdfs * swimodel->num_dims;
swimodel->allweights = (const wtdata*)file;
file += sizeof(wtdata) * swimodel->num_pdfs;
swimodel->avg_state_durations = (const featdata*)file;
file += sizeof(featdata) * swimodel->num_hmmstates;
if (file > swimodel->mmap_zip_data + swimodel->mmap_zip_size) {
PLogError("load_swimodel: not enough data in %s", filename);
goto CLEANUP;
}
#ifdef SREC_ENGINE_VERBOSE_LOGGING
PLogMessage("loaded models %s num_hmmstates %d num_dims %d num_pdfs %d weights[0] %d\n",
filename, swimodel->num_hmmstates, swimodel->num_dims, swimodel->num_pdfs,
*swimodel->allweights);
#endif
const featdata* mean_ptr = swimodel->allmeans;
const wtdata* weight_ptr = swimodel->allweights;
for (i = 0;i < swimodel->num_hmmstates;i++)
{
hmmstates[i].num_pdfs = num_pdfs_in_model[i];
hmmstates[i].means = mean_ptr;
hmmstates[i].weights = weight_ptr;
mean_ptr += swimodel->num_dims * num_pdfs_in_model[i];
weight_ptr += num_pdfs_in_model[i];
}
return swimodel;
CLEANUP:
free_swimodel(swimodel);
return NULL;
}
