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261 lines
9 KiB
C++
261 lines
9 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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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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 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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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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} else {
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print_verbose("Text-to-Speech: Cannot load Speech Dispatcher library!");
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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 && tts->ids.has(p_msg_id)) {
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MutexLock thread_safe_method(tts->_thread_safe_);
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// Get word offset from the index mark injected to the text stream.
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String mark = String::utf8(p_index_mark);
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_BOUNDARY, tts->ids[p_msg_id], 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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MutexLock thread_safe_method(tts->_thread_safe_);
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List<DisplayServer::TTSUtterance> &queue = tts->queue;
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if (!tts->paused && tts->ids.has(p_msg_id)) {
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if (p_type == SPD_EVENT_END) {
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_ENDED, tts->ids[p_msg_id]);
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tts->ids.erase(p_msg_id);
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tts->last_msg_id = -1;
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tts->speaking = false;
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} else if (p_type == SPD_EVENT_CANCEL) {
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DisplayServer::get_singleton()->tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, tts->ids[p_msg_id]);
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tts->ids.erase(p_msg_id);
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tts->last_msg_id = -1;
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tts->speaking = false;
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}
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}
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if (!tts->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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SPDVoice **voices = spd_list_synthesis_voices(tts->synth);
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if (voices != nullptr) {
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SPDVoice **voices_ptr = voices;
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while (*voices_ptr != nullptr) {
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if (String::utf8((*voices_ptr)->name) == message.voice) {
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language = String::utf8((*voices_ptr)->language);
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break;
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}
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voices_ptr++;
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}
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free_spd_voices(voices);
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}
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PackedInt32Array breaks = TS->string_get_word_breaks(message.text, language);
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int prev = 0;
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for (int i = 0; i < breaks.size(); i++) {
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text += message.text.substr(prev, breaks[i] - prev);
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text += "<mark name=\"" + String::num_int64(breaks[i], 10) + "\"/>";
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prev = breaks[i];
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}
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text += message.text.substr(prev, -1);
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spd_set_synthesis_voice(tts->synth, message.voice.utf8().get_data());
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spd_set_volume(tts->synth, message.volume * 2 - 100);
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spd_set_voice_pitch(tts->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(tts->synth, rate);
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spd_set_data_mode(tts->synth, SPD_DATA_SSML);
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tts->last_msg_id = spd_say(tts->synth, SPD_TEXT, text.utf8().get_data());
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tts->ids[tts->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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tts->speaking = true;
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}
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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_COND_V(!synth, Array());
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Array list;
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SPDVoice **voices = spd_list_synthesis_voices(synth);
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if (voices != nullptr) {
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SPDVoice **voices_ptr = voices;
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while (*voices_ptr != nullptr) {
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Dictionary voice_d;
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voice_d["name"] = String::utf8((*voices_ptr)->name);
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voice_d["id"] = String::utf8((*voices_ptr)->name);
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voice_d["language"] = String::utf8((*voices_ptr)->language) + "_" + String::utf8((*voices_ptr)->variant);
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list.push_back(voice_d);
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voices_ptr++;
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}
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free_spd_voices(voices);
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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_COND(!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_callback(0, 0, 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_COND(!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_COND(!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_COND(!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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