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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13694 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2009-06-08 21:52:50 +00:00
parent a2c76f307c
commit ab568f3589
11 changed files with 791 additions and 46 deletions
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105
src/switch_core_asr.c
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@@ -26,6 +26,7 @@
* Anthony Minessale II <anthm@freeswitch.org>
* Michael Jerris <mike@jerris.com>
* Paul D. Tinsley <pdt at jackhammer.org>
* Christopher M. Rienzo <chris@rienzo.net>
*
*
* switch_core_asr.c -- Main Core Library (Speech Detection Interface)
@@ -79,30 +80,74 @@ SWITCH_DECLARE(switch_status_t) switch_core_asr_open(switch_asr_handle_t *ah,
return ah->asr_interface->asr_open(ah, codec, rate, dest, flags);
}
SWITCH_DECLARE(switch_status_t) switch_core_asr_load_grammar(switch_asr_handle_t *ah, const char *grammar, const char *path)
SWITCH_DECLARE(switch_status_t) switch_core_asr_load_grammar(switch_asr_handle_t *ah, const char *grammar, const char *name)
{
char *epath = NULL;
switch_status_t status;
switch_status_t status = SWITCH_STATUS_SUCCESS;
char *param_string = NULL;
char *data = NULL;
char *lgrammar = NULL;
switch_assert(ah != NULL);
if (!switch_is_file_path(path)) {
epath = switch_mprintf("%s%s%s", SWITCH_GLOBAL_dirs.grammar_dir, SWITCH_PATH_SEPARATOR, path);
path = epath;
if (switch_strlen_zero(grammar)) {
status = SWITCH_STATUS_FALSE;
goto done;
}
status = ah->asr_interface->asr_load_grammar(ah, grammar, path);
switch_safe_free(epath);
/* Set ASR parameters from params in the grammar string
* Params are defined as follows {name1=val1,name2=val2,name3=val3}grammar text
*/
lgrammar = strdup(grammar);
data = lgrammar;
/* strip leading spaces */
while (data && *data == ' ') {
data++;
}
if (switch_strlen_zero(data)) {
status = SWITCH_STATUS_FALSE;
goto done;
}
/* extract params */
if (*data == '{') {
param_string = data + 1;
data = switch_find_end_paren(data, '{', '}');
if (switch_strlen_zero(data)) {
status = SWITCH_STATUS_FALSE;
goto done;
} else {
*data = '\0';
data++;
}
}
/* set ASR params */
if (!switch_strlen_zero(param_string)) {
char *param[256] = { 0 };
switch_separate_string(param_string, ',', param, (sizeof(param) / sizeof(param[0])));
for (int i = 0; param[i]; ++i) {
char *param_pair[2] = { 0 };
if(switch_separate_string(param[i], '=', param_pair, (sizeof(param_pair) / sizeof(param_pair[0]))) == 2) {
switch_core_asr_text_param(ah, param_pair[0], param_pair[1]);
}
}
}
status = ah->asr_interface->asr_load_grammar(ah, data, name);
done:
switch_safe_free(lgrammar);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_core_asr_unload_grammar(switch_asr_handle_t *ah, const char *grammar)
SWITCH_DECLARE(switch_status_t) switch_core_asr_unload_grammar(switch_asr_handle_t *ah, const char *name)
{
switch_status_t status;
switch_assert(ah != NULL);
status = ah->asr_interface->asr_unload_grammar(ah, grammar);
status = ah->asr_interface->asr_unload_grammar(ah, name);
return status;
}
@@ -158,6 +203,46 @@ SWITCH_DECLARE(switch_status_t) switch_core_asr_get_results(switch_asr_handle_t
return ah->asr_interface->asr_get_results(ah, xmlstr, flags);
}
SWITCH_DECLARE(switch_status_t) switch_core_asr_start_input_timers(switch_asr_handle_t *ah)
{
switch_status_t status = SWITCH_STATUS_SUCCESS;
switch_assert(ah != NULL);
if (ah->asr_interface->asr_start_input_timers) {
status = ah->asr_interface->asr_start_input_timers(ah);
}
return status;
}
SWITCH_DECLARE(void) switch_core_asr_text_param(switch_asr_handle_t *ah, char *param, const char *val)
{
switch_assert(ah != NULL);
if (ah->asr_interface->asr_text_param) {
ah->asr_interface->asr_text_param(ah, param, val);
}
}
SWITCH_DECLARE(void) switch_core_asr_numeric_param(switch_asr_handle_t *ah, char *param, int val)
{
switch_assert(ah != NULL);
if (ah->asr_interface->asr_numeric_param) {
ah->asr_interface->asr_numeric_param(ah, param, val);
}
}
SWITCH_DECLARE(void) switch_core_asr_float_param(switch_asr_handle_t *ah, char *param, double val)
{
switch_assert(ah != NULL);
if (ah->asr_interface->asr_float_param) {
ah->asr_interface->asr_float_param(ah, param, val);
}
}
/* For Emacs:
* Local Variables:
* mode:c