mirror of
https://github.com/godotengine/godot.git
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286 lines
9.6 KiB
C++
286 lines
9.6 KiB
C++
/**************************************************************************/
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/* tts_linux.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "tts_linux.h"
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#include "core/config/project_settings.h"
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#include "servers/text_server.h"
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TTS_Linux *TTS_Linux::singleton = nullptr;
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void TTS_Linux::speech_init_thread_func(void *p_userdata) {
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TTS_Linux *tts = (TTS_Linux *)p_userdata;
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if (tts) {
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MutexLock thread_safe_method(tts->_thread_safe_);
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#ifdef SOWRAP_ENABLED
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#ifdef DEBUG_ENABLED
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int dylibloader_verbose = 1;
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#else
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int dylibloader_verbose = 0;
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#endif
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if (initialize_speechd(dylibloader_verbose) != 0) {
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print_verbose("Text-to-Speech: Cannot load Speech Dispatcher library!");
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} else {
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if (!spd_open || !spd_set_notification_on || !spd_list_synthesis_voices || !free_spd_voices || !spd_set_synthesis_voice || !spd_set_volume || !spd_set_voice_pitch || !spd_set_voice_rate || !spd_set_data_mode || !spd_say || !spd_pause || !spd_resume || !spd_cancel) {
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// There's no API to check version, check if functions are available instead.
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print_verbose("Text-to-Speech: Unsupported Speech Dispatcher library version!");
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return;
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}
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#else
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{
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#endif
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CharString class_str;
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String config_name = GLOBAL_GET("application/config/name");
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if (config_name.length() == 0) {
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class_str = "Godot_Engine";
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} else {
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class_str = config_name.utf8();
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}
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tts->synth = spd_open(class_str, "Godot_Engine_Speech_API", "Godot_Engine", SPD_MODE_THREADED);
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if (tts->synth) {
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tts->synth->callback_end = &speech_event_callback;
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tts->synth->callback_cancel = &speech_event_callback;
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tts->synth->callback_im = &speech_event_index_mark;
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spd_set_notification_on(tts->synth, SPD_END);
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spd_set_notification_on(tts->synth, SPD_CANCEL);
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print_verbose("Text-to-Speech: Speech Dispatcher initialized.");
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} else {
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print_verbose("Text-to-Speech: Cannot initialize Speech Dispatcher synthesizer!");
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}
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}
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}
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}
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void TTS_Linux::speech_event_index_mark(size_t p_msg_id, size_t p_client_id, SPDNotificationType p_type, char *p_index_mark) {
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TTS_Linux *tts = TTS_Linux::get_singleton();
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if (tts) {
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callable_mp(tts, &TTS_Linux::_speech_index_mark).call_deferred((int)p_msg_id, (int)p_type, String::utf8(p_index_mark));
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}
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}
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void TTS_Linux::_speech_index_mark(int p_msg_id, int p_type, const String &p_index_mark) {
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_THREAD_SAFE_METHOD_
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if (ids.has(p_msg_id)) {
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_BOUNDARY, ids[p_msg_id], p_index_mark.to_int());
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}
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}
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void TTS_Linux::speech_event_callback(size_t p_msg_id, size_t p_client_id, SPDNotificationType p_type) {
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TTS_Linux *tts = TTS_Linux::get_singleton();
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if (tts) {
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callable_mp(tts, &TTS_Linux::_speech_event).call_deferred((int)p_msg_id, (int)p_type);
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}
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}
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void TTS_Linux::_load_voices() {
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if (!voices_loaded) {
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SPDVoice **spd_voices = spd_list_synthesis_voices(synth);
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if (spd_voices != nullptr) {
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SPDVoice **voices_ptr = spd_voices;
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while (*voices_ptr != nullptr) {
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VoiceInfo vi;
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vi.language = String::utf8((*voices_ptr)->language);
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vi.variant = String::utf8((*voices_ptr)->variant);
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voices[String::utf8((*voices_ptr)->name)] = vi;
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voices_ptr++;
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}
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free_spd_voices(spd_voices);
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}
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voices_loaded = true;
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}
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}
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void TTS_Linux::_speech_event(int p_msg_id, int p_type) {
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_THREAD_SAFE_METHOD_
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if (!paused && ids.has(p_msg_id)) {
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if ((SPDNotificationType)p_type == SPD_EVENT_END) {
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_ENDED, ids[p_msg_id]);
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ids.erase(p_msg_id);
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last_msg_id = -1;
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speaking = false;
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} else if ((SPDNotificationType)p_type == SPD_EVENT_CANCEL) {
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, ids[p_msg_id]);
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ids.erase(p_msg_id);
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last_msg_id = -1;
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speaking = false;
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}
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}
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if (!speaking && queue.size() > 0) {
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DisplayServer::TTSUtterance &message = queue.front()->get();
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// Inject index mark after each word.
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String text;
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String language;
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_load_voices();
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const VoiceInfo *voice = voices.getptr(message.voice);
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if (voice) {
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language = voice->language;
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}
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PackedInt32Array breaks = TS->string_get_word_breaks(message.text, language);
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for (int i = 0; i < breaks.size(); i += 2) {
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const int start = breaks[i];
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const int end = breaks[i + 1];
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text += message.text.substr(start, end - start + 1);
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text += "<mark name=\"" + String::num_int64(end, 10) + "\"/>";
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}
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spd_set_synthesis_voice(synth, message.voice.utf8().get_data());
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spd_set_volume(synth, message.volume * 2 - 100);
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spd_set_voice_pitch(synth, (message.pitch - 1) * 100);
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float rate = 0;
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if (message.rate > 1.f) {
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rate = log10(MIN(message.rate, 2.5f)) / log10(2.5f) * 100;
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} else if (message.rate < 1.f) {
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rate = log10(MAX(message.rate, 0.5f)) / log10(0.5f) * -100;
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}
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spd_set_voice_rate(synth, rate);
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spd_set_data_mode(synth, SPD_DATA_SSML);
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last_msg_id = spd_say(synth, SPD_TEXT, text.utf8().get_data());
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ids[last_msg_id] = message.id;
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_STARTED, message.id);
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queue.pop_front();
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speaking = true;
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}
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}
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bool TTS_Linux::is_speaking() const {
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return speaking;
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}
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bool TTS_Linux::is_paused() const {
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return paused;
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}
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Array TTS_Linux::get_voices() const {
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_THREAD_SAFE_METHOD_
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ERR_FAIL_NULL_V(synth, Array());
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const_cast<TTS_Linux *>(this)->_load_voices();
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Array list;
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for (const KeyValue<String, VoiceInfo> &E : voices) {
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Dictionary voice_d;
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voice_d["name"] = E.key;
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voice_d["id"] = E.key;
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voice_d["language"] = E.value.language + "_" + E.value.variant;
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list.push_back(voice_d);
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}
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return list;
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}
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void TTS_Linux::speak(const String &p_text, const String &p_voice, int p_volume, float p_pitch, float p_rate, int p_utterance_id, bool p_interrupt) {
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_THREAD_SAFE_METHOD_
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ERR_FAIL_NULL(synth);
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if (p_interrupt) {
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stop();
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}
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if (p_text.is_empty()) {
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, p_utterance_id);
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return;
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}
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DisplayServer::TTSUtterance message;
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message.text = p_text;
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message.voice = p_voice;
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message.volume = CLAMP(p_volume, 0, 100);
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message.pitch = CLAMP(p_pitch, 0.f, 2.f);
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message.rate = CLAMP(p_rate, 0.1f, 10.f);
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message.id = p_utterance_id;
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queue.push_back(message);
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if (is_paused()) {
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resume();
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} else {
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_speech_event(0, (int)SPD_EVENT_BEGIN);
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}
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}
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void TTS_Linux::pause() {
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_THREAD_SAFE_METHOD_
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ERR_FAIL_NULL(synth);
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if (spd_pause(synth) == 0) {
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paused = true;
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}
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}
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void TTS_Linux::resume() {
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_THREAD_SAFE_METHOD_
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ERR_FAIL_NULL(synth);
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spd_resume(synth);
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paused = false;
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}
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void TTS_Linux::stop() {
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_THREAD_SAFE_METHOD_
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ERR_FAIL_NULL(synth);
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for (DisplayServer::TTSUtterance &message : queue) {
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, message.id);
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}
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if ((last_msg_id != -1) && ids.has(last_msg_id)) {
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, ids[last_msg_id]);
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}
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queue.clear();
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ids.clear();
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last_msg_id = -1;
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spd_cancel(synth);
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spd_resume(synth);
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speaking = false;
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paused = false;
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}
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TTS_Linux *TTS_Linux::get_singleton() {
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return singleton;
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}
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TTS_Linux::TTS_Linux() {
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singleton = this;
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// Speech Dispatcher init can be slow, it might wait for helper process to start on background, so run it in the thread.
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init_thread.start(speech_init_thread_func, this);
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}
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TTS_Linux::~TTS_Linux() {
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init_thread.wait_to_finish();
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if (synth) {
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spd_close(synth);
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}
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singleton = nullptr;
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}
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