////  TTSScriptingInterface.cpp//  libraries/audio-client/src/scripting////  Created by Zach Fox on 2018-10-10.//  Copyright 2018 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "TTSScriptingInterface.h"#include "avatar/AvatarManager.h" TTSScriptingInterface::TTSScriptingInterface() {#ifdef _WIN32    //    // Create text to speech engine    //    HRESULT hr = m_tts.CoCreateInstance(CLSID_SpVoice);    if (FAILED(hr)) {        qDebug() << "Text-to-speech engine creation failed.";    }     //    // Get token corresponding to default voice    //    hr = SpGetDefaultTokenFromCategoryId(SPCAT_VOICES, &m_voiceToken, FALSE);    if (FAILED(hr)) {        qDebug() << "Can't get default voice token.";    }     //    // Set default voice    //    hr = m_tts->SetVoice(m_voiceToken);    if (FAILED(hr)) {        qDebug() << "Can't set default voice.";    }     _lastSoundAudioInjectorUpdateTimer.setSingleShot(true);    connect(&_lastSoundAudioInjectorUpdateTimer, &QTimer::timeout, this, &TTSScriptingInterface::updateLastSoundAudioInjector);#endif} TTSScriptingInterface::~TTSScriptingInterface() {} #ifdef _WIN32class ReleaseOnExit {public:    ReleaseOnExit(IUnknown* p) : m_p(p) {}    ~ReleaseOnExit() {        if (m_p) {            m_p->Release();        }    } private:    IUnknown* m_p;};#endif const int INJECTOR_INTERVAL_MS = 100;void TTSScriptingInterface::updateLastSoundAudioInjector() {    if (_lastSoundAudioInjector) {        AudioInjectorOptions options;        options.position = DependencyManager::get<AvatarManager>()->getMyAvatarPosition();        DependencyManager::get<AudioInjectorManager>()->setOptions(_lastSoundAudioInjector, options);        _lastSoundAudioInjectorUpdateTimer.start(INJECTOR_INTERVAL_MS);    }} void TTSScriptingInterface::speakText(const QString& textToSpeak) {#ifdef _WIN32    WAVEFORMATEX fmt;    fmt.wFormatTag = WAVE_FORMAT_PCM;    fmt.nSamplesPerSec = AudioConstants::SAMPLE_RATE;    fmt.wBitsPerSample = 16;    fmt.nChannels = 1;    fmt.nBlockAlign = fmt.nChannels * fmt.wBitsPerSample / 8;    fmt.nAvgBytesPerSec = fmt.nSamplesPerSec * fmt.nBlockAlign;    fmt.cbSize = 0;     IStream* pStream = NULL;     ISpStream* pSpStream = nullptr;    HRESULT hr = CoCreateInstance(CLSID_SpStream, nullptr, CLSCTX_ALL, __uuidof(ISpStream), (void**)&pSpStream);    if (FAILED(hr)) {        qDebug() << "CoCreateInstance failed.";    }    ReleaseOnExit rSpStream(pSpStream);     pStream = SHCreateMemStream(NULL, 0);    if (nullptr == pStream) {        qDebug() << "SHCreateMemStream failed.";    }     hr = pSpStream->SetBaseStream(pStream, SPDFID_WaveFormatEx, &fmt);    if (FAILED(hr)) {        qDebug() << "Can't set base stream.";    }     hr = m_tts->SetOutput(pSpStream, true);    if (FAILED(hr)) {        qDebug() << "Can't set output stream.";    }     ReleaseOnExit rStream(pStream);     ULONG streamNumber;    hr = m_tts->Speak(reinterpret_cast<LPCWSTR>(textToSpeak.utf16()), SPF_IS_XML | SPF_ASYNC | SPF_PURGEBEFORESPEAK,                      &streamNumber);    if (FAILED(hr)) {        qDebug() << "Speak failed.";    }     m_tts->WaitUntilDone(-1);     hr = pSpStream->GetBaseStream(&pStream);    if (FAILED(hr)) {        qDebug() << "Couldn't get base stream.";    }     hr = IStream_Reset(pStream);    if (FAILED(hr)) {        qDebug() << "Couldn't reset stream.";    }     ULARGE_INTEGER StreamSize;    StreamSize.LowPart = 0;    hr = IStream_Size(pStream, &StreamSize);     DWORD dwSize = StreamSize.QuadPart;    _lastSoundByteArray.resize(dwSize);     hr = IStream_Read(pStream, _lastSoundByteArray.data(), dwSize);    if (FAILED(hr)) {        qDebug() << "Couldn't read from stream.";    }     AudioInjectorOptions options;    options.position = DependencyManager::get<AvatarManager>()->getMyAvatarPosition();     if (_lastSoundAudioInjector) {        DependencyManager::get<AudioInjectorManager>()->stop(_lastSoundAudioInjector);        _lastSoundAudioInjectorUpdateTimer.stop();    }     uint32_t numChannels = 1;    uint32_t numSamples = (uint32_t)_lastSoundByteArray.size() / sizeof(AudioData::AudioSample);    auto samples = reinterpret_cast<AudioData::AudioSample*>(_lastSoundByteArray.data());    auto newAudioData = AudioData::make(numSamples, numChannels, samples);    _lastSoundAudioInjector = DependencyManager::get<AudioInjectorManager>()->playSound(newAudioData, options, true);     _lastSoundAudioInjectorUpdateTimer.start(INJECTOR_INTERVAL_MS);#else    qDebug() << "Text-to-Speech isn't currently supported on non-Windows platforms.";#endif} void TTSScriptingInterface::stopLastSpeech() {    if (_lastSoundAudioInjector) {        DependencyManager::get<AudioInjectorManager>()->stop(_lastSoundAudioInjector);        _lastSoundAudioInjector = nullptr;    }}