tts_driver_onecore.h

/**************************************************************************/
/*  tts_driver_onecore.h                                                  */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#pragma once

#include "tts_driver.h"

GODOT_GCC_WARNING_PUSH
GODOT_GCC_WARNING_IGNORE("-Wnon-virtual-dtor")
GODOT_GCC_WARNING_IGNORE("-Wctor-dtor-privacy")
GODOT_GCC_WARNING_IGNORE("-Wshadow")
GODOT_GCC_WARNING_IGNORE("-Wstrict-aliasing")
GODOT_CLANG_WARNING_PUSH
GODOT_CLANG_WARNING_IGNORE("-Wnon-virtual-dtor")

#include <winrt/Windows.Foundation.Collections.h>
#include <winrt/Windows.Foundation.Metadata.h>
#include <winrt/Windows.Media.Core.h>
#include <winrt/Windows.Media.Playback.h>
#include <winrt/Windows.Media.SpeechSynthesis.h>
#include <winrt/Windows.Storage.Streams.h>

GODOT_GCC_WARNING_POP
GODOT_CLANG_WARNING_POP

using namespace winrt::Windows::Foundation;
using namespace winrt::Windows::Foundation::Collections;
using namespace winrt::Windows::Foundation::Metadata;
using namespace winrt::Windows::Media::Core;
using namespace winrt::Windows::Media::Playback;
using namespace winrt::Windows::Media::SpeechSynthesis;
using namespace winrt::Windows::Storage::Streams;

struct TTSUtterance;

class TTSDriverOneCore : public TTSDriver {
	List<TTSUtterance> queue;

	bool playing = false;
	bool paused = false;
	bool update_requested = false;

	int64_t id = -1;
	Char16String string;
	std::shared_ptr<MediaPlayer> media;
	struct TrackData {
		TimedMetadataTrack track;
		winrt::event_token token{};
	};
	Vector<TrackData> tracks;
	winrt::event_token token_s{};
	winrt::event_token token_f{};
	winrt::event_token token_e{};
	int64_t offset = 0;

	void _dispose_current(bool p_silent = false, bool p_canceled = false);

	void _speech_cancel(int p_msg_id);
	void _speech_end(int p_msg_id);
	void _speech_index_mark(int p_msg_id, int p_index_mark);

	static TTSDriverOneCore *singleton;

public:
	virtual bool is_speaking() const override;
	virtual bool is_paused() const override;
	virtual Array get_voices() const override;

	virtual void speak(const String &p_text, const String &p_voice, int p_volume = 50, float p_pitch = 1.f, float p_rate = 1.f, int64_t p_utterance_id = 0, bool p_interrupt = false) override;
	virtual void pause() override;
	virtual void resume() override;
	virtual void stop() override;

	virtual void process_events() override;

	virtual bool init() override;

	TTSDriverOneCore();
	~TTSDriverOneCore();
};