Magic_Game/core/modules/Audio.cpp

// Copyright (c) 2016-2018 Easy2D - 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.

#include "..\e2dmodule.h"


namespace easy2d
{
	Audio::Audio()
		: x_audio2_(nullptr)
		, mastering_voice_(nullptr)
	{
		ThrowIfFailed(
			MFStartup(MF_VERSION)
		);

		ThrowIfFailed(
			XAudio2Create(&x_audio2_)
		);

		ThrowIfFailed(
			x_audio2_->CreateMasteringVoice(&mastering_voice_)
		);
	}

	Audio::~Audio()
	{
		if (mastering_voice_)
		{
			mastering_voice_->DestroyVoice();
			mastering_voice_ = nullptr;
		}

		SafeRelease(x_audio2_);

		MFShutdown();
	}

	HRESULT Audio::CreateVoice(IXAudio2SourceVoice ** voice, WAVEFORMATEX * wfx)
	{
		return x_audio2_->CreateSourceVoice(voice, wfx, 0, XAUDIO2_DEFAULT_FREQ_RATIO);
	}

	void Audio::Open()
	{
		x_audio2_->StartEngine();
	}

	void Audio::Close()
	{
		x_audio2_->StopEngine();
	}
}