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godot/platform/windows/tts_windows.cpp

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/*************************************************************************/
/* tts_windows.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "tts_windows.h"
TTS_Windows *TTS_Windows::singleton = nullptr;
void __stdcall TTS_Windows::speech_event_callback(WPARAM wParam, LPARAM lParam) {
TTS_Windows *tts = TTS_Windows::get_singleton();
SPEVENT event;
while (tts->synth->GetEvents(1, &event, NULL) == S_OK) {
if (tts->ids.has(event.ulStreamNum)) {
if (event.eEventId == SPEI_START_INPUT_STREAM) {
OS::get_singleton()->tts_post_utterance_event(OS::TTS_UTTERANCE_STARTED, tts->ids[event.ulStreamNum].id);
} else if (event.eEventId == SPEI_END_INPUT_STREAM) {
OS::get_singleton()->tts_post_utterance_event(OS::TTS_UTTERANCE_ENDED, tts->ids[event.ulStreamNum].id);
tts->ids.erase(event.ulStreamNum);
tts->_update_tts();
} else if (event.eEventId == SPEI_WORD_BOUNDARY) {
OS::get_singleton()->tts_post_utterance_event(OS::TTS_UTTERANCE_BOUNDARY, tts->ids[event.ulStreamNum].id, event.lParam - tts->ids[event.ulStreamNum].offset);
}
}
}
}
void TTS_Windows::_update_tts() {
if (!is_speaking() && !paused && queue.size() > 0) {
OS::TTSUtterance &message = queue.front()->get();
String text;
DWORD flags = SPF_ASYNC | SPF_PURGEBEFORESPEAK | SPF_IS_XML;
String pitch_tag = String("<pitch absmiddle=\"") + String::num_int64(message.pitch * 10 - 10, 10) + String("\">");
text = pitch_tag + message.text + String("</pitch>");
IEnumSpObjectTokens *cpEnum;
ISpObjectToken *cpVoiceToken;
ULONG ulCount = 0;
ULONG stream_number = 0;
ISpObjectTokenCategory *cpCategory;
HRESULT hr = CoCreateInstance(CLSID_SpObjectTokenCategory, nullptr, CLSCTX_INPROC_SERVER, IID_ISpObjectTokenCategory, (void **)&cpCategory);
if (SUCCEEDED(hr)) {
hr = cpCategory->SetId(SPCAT_VOICES, false);
if (SUCCEEDED(hr)) {
hr = cpCategory->EnumTokens(nullptr, nullptr, &cpEnum);
if (SUCCEEDED(hr)) {
hr = cpEnum->GetCount(&ulCount);
while (SUCCEEDED(hr) && ulCount--) {
wchar_t *w_id = 0L;
hr = cpEnum->Next(1, &cpVoiceToken, nullptr);
cpVoiceToken->GetId(&w_id);
if (String((const wchar_t *)w_id) == message.voice) {
synth->SetVoice(cpVoiceToken);
cpVoiceToken->Release();
break;
}
cpVoiceToken->Release();
}
cpEnum->Release();
}
}
cpCategory->Release();
}
UTData ut;
ut.string = text;
ut.offset = pitch_tag.length(); // Subtract injected <pitch> tag offset.
ut.id = message.id;
synth->SetVolume(message.volume);
synth->SetRate(10.f * log10(message.rate) / log10(3.f));
synth->Speak((LPCWSTR)ut.string.ptr(), flags, &stream_number);
ids[stream_number] = ut;
queue.pop_front();
}
}
bool TTS_Windows::is_speaking() const {
ERR_FAIL_COND_V(!synth, false);
SPVOICESTATUS status;
synth->GetStatus(&status, nullptr);
return (status.dwRunningState == SPRS_IS_SPEAKING);
}
bool TTS_Windows::is_paused() const {
ERR_FAIL_COND_V(!synth, false);
return paused;
}
Array TTS_Windows::get_voices() const {
Array list;
IEnumSpObjectTokens *cpEnum;
ISpObjectToken *cpVoiceToken;
ISpDataKey *cpDataKeyAttribs;
ULONG ulCount = 0;
ISpObjectTokenCategory *cpCategory;
HRESULT hr = CoCreateInstance(CLSID_SpObjectTokenCategory, nullptr, CLSCTX_INPROC_SERVER, IID_ISpObjectTokenCategory, (void **)&cpCategory);
if (SUCCEEDED(hr)) {
hr = cpCategory->SetId(SPCAT_VOICES, false);
if (SUCCEEDED(hr)) {
hr = cpCategory->EnumTokens(nullptr, nullptr, &cpEnum);
if (SUCCEEDED(hr)) {
hr = cpEnum->GetCount(&ulCount);
while (SUCCEEDED(hr) && ulCount--) {
hr = cpEnum->Next(1, &cpVoiceToken, nullptr);
HRESULT hr_attr = cpVoiceToken->OpenKey(SPTOKENKEY_ATTRIBUTES, &cpDataKeyAttribs);
if (SUCCEEDED(hr_attr)) {
wchar_t *w_id = nullptr;
wchar_t *w_lang = nullptr;
wchar_t *w_name = nullptr;
cpVoiceToken->GetId(&w_id);
cpDataKeyAttribs->GetStringValue(L"Language", &w_lang);
cpDataKeyAttribs->GetStringValue(nullptr, &w_name);
LCID locale = wcstol(w_lang, nullptr, 16);
int locale_chars = GetLocaleInfoW(locale, LOCALE_SISO639LANGNAME, nullptr, 0);
int region_chars = GetLocaleInfoW(locale, LOCALE_SISO3166CTRYNAME, nullptr, 0);
wchar_t *w_lang_code = new wchar_t[locale_chars];
wchar_t *w_reg_code = new wchar_t[region_chars];
GetLocaleInfoW(locale, LOCALE_SISO639LANGNAME, w_lang_code, locale_chars);
GetLocaleInfoW(locale, LOCALE_SISO3166CTRYNAME, w_reg_code, region_chars);
Dictionary voice_d;
voice_d["id"] = String((const wchar_t *)w_id);
if (w_name) {
voice_d["name"] = String((const wchar_t *)w_name);
} else {
voice_d["name"] = voice_d["id"].operator String().replace("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Speech\\Voices\\Tokens\\", "");
}
voice_d["language"] = String((const wchar_t *)w_lang_code) + "_" + String((const wchar_t *)w_reg_code);
list.push_back(voice_d);
delete[] w_lang_code;
delete[] w_reg_code;
cpDataKeyAttribs->Release();
}
cpVoiceToken->Release();
}
cpEnum->Release();
}
}
cpCategory->Release();
}
return list;
}
void TTS_Windows::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) {
ERR_FAIL_COND(!synth);
if (p_interrupt) {
stop();
}
if (p_text.empty()) {
OS::get_singleton()->tts_post_utterance_event(OS::TTS_UTTERANCE_CANCELED, p_utterance_id);
return;
}
OS::TTSUtterance message;
message.text = p_text;
message.voice = p_voice;
message.volume = CLAMP(p_volume, 0, 100);
message.pitch = CLAMP(p_pitch, 0.f, 2.f);
message.rate = CLAMP(p_rate, 0.1f, 10.f);
message.id = p_utterance_id;
queue.push_back(message);
if (is_paused()) {
resume();
} else {
_update_tts();
}
}
void TTS_Windows::pause() {
ERR_FAIL_COND(!synth);
if (!paused) {
if (synth->Pause() == S_OK) {
paused = true;
}
}
}
void TTS_Windows::resume() {
ERR_FAIL_COND(!synth);
synth->Resume();
paused = false;
}
void TTS_Windows::stop() {
ERR_FAIL_COND(!synth);
SPVOICESTATUS status;
synth->GetStatus(&status, nullptr);
if (ids.has(status.ulCurrentStream)) {
OS::get_singleton()->tts_post_utterance_event(OS::TTS_UTTERANCE_CANCELED, ids[status.ulCurrentStream].id);
ids.erase(status.ulCurrentStream);
}
for (List<OS::TTSUtterance>::Element *E = queue.front(); E; E = E->next()) {
OS::TTSUtterance &message = E->get();
OS::get_singleton()->tts_post_utterance_event(OS::TTS_UTTERANCE_CANCELED, message.id);
}
queue.clear();
synth->Speak(nullptr, SPF_PURGEBEFORESPEAK, nullptr);
synth->Resume();
paused = false;
}
TTS_Windows *TTS_Windows::get_singleton() {
return singleton;
}
TTS_Windows::TTS_Windows() {
singleton = this;
CoInitialize(nullptr);
if (SUCCEEDED(CoCreateInstance(CLSID_SpVoice, nullptr, CLSCTX_ALL, IID_ISpVoice, (void **)&synth))) {
ULONGLONG event_mask = SPFEI(SPEI_END_INPUT_STREAM) | SPFEI(SPEI_START_INPUT_STREAM) | SPFEI(SPEI_WORD_BOUNDARY);
synth->SetInterest(event_mask, event_mask);
synth->SetNotifyCallbackFunction(&speech_event_callback, (WPARAM)(this), 0);
print_verbose("Text-to-Speech: SAPI initialized.");
} else {
print_verbose("Text-to-Speech: Cannot initialize ISpVoice!");
}
}
TTS_Windows::~TTS_Windows() {
if (synth) {
synth->Release();
}
singleton = nullptr;
}
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