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// Copyright 2007-2021 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "TextToSpeech.h"
// As the include order seems to make a difference, disable clang-format for them
// clang-format off
#include <servprov.h>
#include <sapi.h>
// clang-format on
#define HAS_FAILED(Status) (static_cast< HRESULT >(Status) < 0)
class TextToSpeechPrivate {
public:
ISpVoice *pVoice;
TextToSpeechPrivate();
~TextToSpeechPrivate();
void say(const QString &text);
void setVolume(int v);
};
TextToSpeechPrivate::TextToSpeechPrivate() {
pVoice = nullptr;
HRESULT hr = CoCreateInstance(CLSID_SpVoice, nullptr, CLSCTX_ALL, IID_ISpVoice, (void **) &pVoice);
if (HAS_FAILED(hr))
qWarning("TextToSpeechPrivate: Failed to allocate TTS Voice");
}
TextToSpeechPrivate::~TextToSpeechPrivate() {
if (pVoice)
pVoice->Release();
}
void TextToSpeechPrivate::say(const QString &text) {
if (pVoice) {
pVoice->Speak((const wchar_t *) text.utf16(), SPF_ASYNC, nullptr);
}
}
void TextToSpeechPrivate::setVolume(int volume) {
if (pVoice)
pVoice->SetVolume(volume);
}
TextToSpeech::TextToSpeech(QObject *p) : QObject(p) {
enabled = true;
d = new TextToSpeechPrivate();
}
TextToSpeech::~TextToSpeech() {
delete d;
}
void TextToSpeech::say(const QString &text) {
if (enabled)
d->say(text);
}
void TextToSpeech::setEnabled(bool e) {
enabled = e;
}
void TextToSpeech::setVolume(int volume) {
d->setVolume(volume);
}
bool TextToSpeech::isEnabled() const {
return enabled;
}
#undef HAS_FAILED
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