ben.carrasco/freeswitch
1
0 Fork 0
mirror of https://github.com/signalwire/freeswitch.git synced 2026-11-15 13:58:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

Revamp mod_pocketsphinx to use jsgf format. Known bugs which are going to be fixed are:

Browse Source 
Using words in your grammar that aren't in the dictionary will segfault.  Bug is already brought up with the pocketsphinx maintainer.

/b



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12224 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Brian West committed 2009-02-21 22:47:15 +00:00
1 parent 5467d03a96
commit 54ff389b09
3 files changed
+29 -22
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

src/mod/asr_tts/mod_pocketsphinx/mod_pocketsphinx.c
+10 -12
View File
@@ -113,7 +113,7 @@ static switch_status_t pocketsphinx_asr_open(switch_asr_handle_t *ah, const char
/*! function to load a grammar to the asr interface */
static switch_status_t pocketsphinx_asr_load_grammar(switch_asr_handle_t *ah, const char *grammar, const char *path)
{
char *lm, *dic, *model, *rate = NULL;
char *jsgf, *dic, *model, *rate = NULL;
pocketsphinx_t *ps = (pocketsphinx_t *) ah->private_info;
switch_status_t status = SWITCH_STATUS_FALSE;
@@ -123,11 +123,9 @@ static switch_status_t pocketsphinx_asr_load_grammar(switch_asr_handle_t *ah, co
}
if (switch_is_file_path(grammar)) {
lm = switch_mprintf("%s%s%s.lm", grammar, SWITCH_PATH_SEPARATOR, grammar);
dic = switch_mprintf("%s%s%s.dic", grammar, SWITCH_PATH_SEPARATOR, grammar);
jsgf = switch_mprintf("%s.gram", grammar);
} else {
lm = switch_mprintf("%s%s%s%s%s.lm", SWITCH_GLOBAL_dirs.grammar_dir, SWITCH_PATH_SEPARATOR, grammar, SWITCH_PATH_SEPARATOR, grammar);
dic = switch_mprintf("%s%s%s%s%s.dic", SWITCH_GLOBAL_dirs.grammar_dir, SWITCH_PATH_SEPARATOR, grammar, SWITCH_PATH_SEPARATOR, grammar);
jsgf = switch_mprintf("%s%s%s.gram", SWITCH_GLOBAL_dirs.grammar_dir, SWITCH_PATH_SEPARATOR, grammar);
}
if (ah->rate == 8000) {
@@ -135,24 +133,27 @@ static switch_status_t pocketsphinx_asr_load_grammar(switch_asr_handle_t *ah, co
} else {
model = switch_mprintf("%s%smodel%s%s", SWITCH_GLOBAL_dirs.grammar_dir, SWITCH_PATH_SEPARATOR, SWITCH_PATH_SEPARATOR, globals.model16k);
}
dic = switch_mprintf("%s%sdefault.dic", SWITCH_GLOBAL_dirs.grammar_dir, SWITCH_PATH_SEPARATOR, grammar);
if (switch_file_exists(dic, ah->memory_pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open dictionary %s.\n", dic);
goto end;
}
if (switch_file_exists(lm, ah->memory_pool) != SWITCH_STATUS_SUCCESS) {
if (switch_file_exists(jsgf, ah->memory_pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Can't open language model %s.\n", model);
goto end;
}
rate = switch_mprintf("%d", ah->rate);
switch_assert(lm && dic && model);
switch_assert(jsgf && dic && model);
ps->config = cmd_ln_init(ps->config, ps_args(), FALSE,
"-samprate", rate,
"-hmm", model,
"-lm", lm,
"-jsgf", jsgf,
"-dict", dic,
"-frate", "50",
"-silprob", "0.005",
@@ -185,7 +186,7 @@ static switch_status_t pocketsphinx_asr_load_grammar(switch_asr_handle_t *ah, co
end:
switch_safe_free(rate);
switch_safe_free(lm);
switch_safe_free(jsgf);
switch_safe_free(dic);
switch_safe_free(model);
@@ -201,15 +202,12 @@ static switch_status_t pocketsphinx_asr_unload_grammar(switch_asr_handle_t *ah,
/*! function to close the asr interface */
static switch_status_t pocketsphinx_asr_close(switch_asr_handle_t *ah, switch_asr_flag_t *flags)
{
char const *hyp;
int32_t score;
pocketsphinx_t *ps = (pocketsphinx_t *) ah->private_info;
switch_mutex_lock(ps->flag_mutex);
if (switch_test_flag(ps, PSFLAG_ALLOCATED)) {
if (switch_test_flag(ps, PSFLAG_READY)) {
ps_end_utt(ps->ps);
hyp = ps_get_hyp(ps->ps, &score, &ps->uttid);
}
ps_free(ps->ps);
ps->ps = NULL;