// Copyright (c) 2016-2018 Kiwano - Nomango
// 
// 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.

#pragma once
#include <kiwano/common/singleton.hpp>
#include <kiwano/core/Component.h>
#include <kiwano/core/win32/ComPtr.hpp>
#include <kiwano-audio/Transcoder.h>
#include <xaudio2.h>

namespace kiwano
{
	namespace audio
	{
		class KGE_API AudioEngine
			: public Singleton<AudioEngine>
			, public ComponentBase
		{
			KGE_DECLARE_SINGLETON(AudioEngine);

		public:
			// 开启设备
			void Open();

			// 关闭设备
			void Close();

			HRESULT CreateVoice(
				IXAudio2SourceVoice** voice,
				const Transcoder::Buffer& buffer
			);

		public:
			void SetupComponent() override;

			void DestroyComponent() override;

		protected:
			AudioEngine();

			~AudioEngine();

		protected:
			IXAudio2* x_audio2_;
			IXAudio2MasteringVoice* mastering_voice_;
		};
	}
}