static void cepstral_text_param_tts(switch_speech_handle_t *sh, char *param, const char *val)
{
cepstral_t *cepstral;
cepstral = sh->private_info;
assert(cepstral != NULL);
if (!strcasecmp(param, "voice")) {
const char *voice_name = val;
if (!strcasecmp(voice_name, "next")) {
if ((cepstral->voice = swift_port_find_next_voice(cepstral->port))) {
if (SWIFT_FAILED(swift_port_set_voice(cepstral->port, cepstral->voice))) {
cepstral->done = cepstral->done_gen = 1;
return;
}
voice_name = swift_voice_get_attribute(cepstral->voice, "name");
} else {
voice_name = NULL;
}
} else {
if (voice_name && SWIFT_FAILED(swift_port_set_voice_by_name(cepstral->port, voice_name))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid voice %s!\n", voice_name);
voice_name = NULL;
}
}
if (!voice_name) {
/* Find the first voice on the system */
if ((cepstral->voice = swift_port_find_first_voice(cepstral->port, NULL, NULL)) == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to find any voices!\n");
cepstral->done = cepstral->done_gen = 1;
return;
}
/* Set the voice found by find_first_voice() as the port's current voice */
if (SWIFT_FAILED(swift_port_set_voice(cepstral->port, cepstral->voice))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to set voice.\n");
cepstral->done = cepstral->done_gen = 1;
return;
}
voice_name = swift_voice_get_attribute(cepstral->voice, "name");
}
if (voice_name) {
switch_copy_string(sh->voice, voice_name, sizeof(sh->voice));
}
return;
}
swift_port_set_param_string(cepstral->port, param, val, NULL);
}
/** Set voice matching specified criteria */
static apt_bool_t mrcp_swift_channel_voice_set(mrcp_swift_channel_t *synth_channel, mrcp_message_t *message)
{
mrcp_synth_header_t *synth_header = mrcp_resource_header_get(message);
char search_criteria[1024];
int offset = 0;
swift_voice *voice;
swift_result_t res;
if(!synth_header) {
/* no params to set */
return TRUE;
}
if(mrcp_resource_header_property_check(message,SYNTHESIZER_HEADER_VOICE_NAME) == TRUE) {
offset += search_criteria_delimiter_add(search_criteria+offset,sizeof(search_criteria)-offset,(offset == 0));
offset += apr_snprintf(search_criteria+offset,sizeof(search_criteria)-offset,"speaker/name=%s",synth_header->voice_param.name.buf);
}
if(mrcp_resource_header_property_check(message,SYNTHESIZER_HEADER_VOICE_GENDER) == TRUE) {
switch(synth_header->voice_param.gender) {
case VOICE_GENDER_MALE:
offset += search_criteria_delimiter_add(search_criteria+offset,sizeof(search_criteria)-offset,offset == 0);
offset += apr_snprintf(search_criteria+offset,sizeof(search_criteria)-offset,"speaker/gender=male");
break;
case VOICE_GENDER_FEMALE:
offset += search_criteria_delimiter_add(search_criteria+offset,sizeof(search_criteria)-offset,offset == 0);
offset += apr_snprintf(search_criteria+offset,sizeof(search_criteria)-offset,"speaker/gender=female");
break;
default:
break;
}
}
if(mrcp_resource_header_property_check(message,SYNTHESIZER_HEADER_VOICE_AGE) == TRUE) {
offset += search_criteria_delimiter_add(search_criteria+offset,sizeof(search_criteria)-offset,offset == 0);
offset += apr_snprintf(search_criteria+offset,sizeof(search_criteria)-offset,"speaker/age=%d",synth_header->voice_param.age);
}
if(mrcp_resource_header_property_check(message,SYNTHESIZER_HEADER_SPEECH_LANGUAGE) == TRUE) {
const char *swift_lang_name = NULL;
if(swift_speech_language_table) {
swift_lang_name = apr_table_get(swift_speech_language_table,synth_header->speech_language.buf);
}
if(!swift_lang_name) {
swift_lang_name = synth_header->speech_language.buf;
}
offset += search_criteria_delimiter_add(search_criteria+offset,sizeof(search_criteria)-offset,offset == 0);
offset += apr_snprintf(search_criteria+offset,sizeof(search_criteria)-offset,"language/name=%s",swift_lang_name);
}
if(offset > 0) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Find Voices Matching the Criteria [%s]",search_criteria);
if((voice = swift_port_find_first_voice(synth_channel->port,search_criteria,NULL)) == NULL) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"No Swift Voice Available Matching the Criteria [%s]",search_criteria);
voice = swift_port_find_first_voice(synth_channel->port,NULL,NULL);
}
if(SWIFT_FAILED(res = swift_port_set_voice(synth_channel->port,voice)) ) {
const char *error_string = swift_strerror(res);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,error_string);
return FALSE;
}
}
return TRUE;
}
static switch_status_t cepstral_speech_open(switch_speech_handle_t *sh, const char *voice_name, int rate, switch_speech_flag_t *flags)
{
cepstral_t *cepstral = switch_core_alloc(sh->memory_pool, sizeof(*cepstral));
char srate[25];
if (!cepstral) {
return SWITCH_STATUS_MEMERR;
}
if (switch_buffer_create_dynamic(&cepstral->audio_buffer, MY_BLOCK_SIZE, MY_BUF_LEN, 0) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Write Buffer Failed!\n");
return SWITCH_STATUS_MEMERR;
}
switch_mutex_init(&cepstral->audio_lock, SWITCH_MUTEX_NESTED, sh->memory_pool);
cepstral->params = swift_params_new(NULL);
swift_params_set_string(cepstral->params, "audio/encoding", "pcm16");
switch_snprintf(srate, sizeof(srate), "%d", rate);
swift_params_set_string(cepstral->params, "audio/sampling-rate", srate);
/* Open a Swift Port through which to make TTS calls */
if (!(cepstral->port = swift_port_open(engine, cepstral->params))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to open Swift Port.\n");
goto all_done;
}
if (voice_name && SWIFT_FAILED(swift_port_set_voice_by_name(cepstral->port, voice_name))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid voice %s!\n", voice_name);
voice_name = NULL;
}
if (zstr(voice_name)) {
/* Find the first voice on the system */
if ((cepstral->voice = swift_port_find_first_voice(cepstral->port, NULL, NULL)) == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to find any voices!\n");
goto all_done;
}
/* Set the voice found by find_first_voice() as the port's current voice */
if (SWIFT_FAILED(swift_port_set_voice(cepstral->port, cepstral->voice))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to set voice.\n");
goto all_done;
}
voice_name = (char *) swift_voice_get_attribute(cepstral->voice, "name");
}
if (voice_name) {
switch_copy_string(sh->voice, voice_name, sizeof(sh->voice));
}
swift_port_set_callback(cepstral->port, &write_audio, SWIFT_EVENT_AUDIO, cepstral);
sh->private_info = cepstral;
return SWITCH_STATUS_SUCCESS;
all_done:
return SWITCH_STATUS_FALSE;
}
