111 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
		
		
			
		
	
	
			111 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
|  | // Copyright (c) 2016-2018 Easy2D - Nomango
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|  | // 
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|  | // Permission is hereby granted, free of charge, to any person obtaining a copy
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|  | // of this software and associated documentation files (the "Software"), to deal
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|  | // in the Software without restriction, including without limitation the rights
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|  | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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|  | // copies of the Software, and to permit persons to whom the Software is
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|  | // furnished to do so, subject to the following conditions:
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|  | // 
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|  | // The above copyright notice and this permission notice shall be included in
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|  | // all copies or substantial portions of the Software.
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|  | // 
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|  | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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|  | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|  | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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|  | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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|  | // THE SOFTWARE.
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|  | 
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|  | #include "audio.h"
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|  | #include "audio-modules.h"
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|  | #include "../core/logs.h"
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|  | 
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|  | namespace easy2d | ||
|  | { | ||
|  | 	Audio::Audio() | ||
|  | 		: x_audio2_(nullptr) | ||
|  | 		, mastering_voice_(nullptr) | ||
|  | 	{ | ||
|  | 	} | ||
|  | 
 | ||
|  | 	Audio::~Audio() | ||
|  | 	{ | ||
|  | 	} | ||
|  | 
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|  | 	void Audio::Setup() | ||
|  | 	{ | ||
|  | 		E2D_LOG(L"Creating audio resources"); | ||
|  | 
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|  | 		HRESULT hr = modules::MediaFoundation::Get().MFStartup(MF_VERSION, MFSTARTUP_FULL); | ||
|  | 
 | ||
|  | 		if (SUCCEEDED(hr)) | ||
|  | 		{ | ||
|  | 			hr = modules::XAudio2::Get().XAudio2Create(&x_audio2_, 0, XAUDIO2_DEFAULT_PROCESSOR); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if (SUCCEEDED(hr)) | ||
|  | 		{ | ||
|  | 			hr = x_audio2_->CreateMasteringVoice(&mastering_voice_); | ||
|  | 		} | ||
|  | 
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|  | 		ThrowIfFailed(hr); | ||
|  | 	} | ||
|  | 
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|  | 	void Audio::Destroy() | ||
|  | 	{ | ||
|  | 		E2D_LOG(L"Destroying audio resources"); | ||
|  | 
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|  | 		ClearVoiceCache(); | ||
|  | 
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|  | 		if (mastering_voice_) | ||
|  | 		{ | ||
|  | 			mastering_voice_->DestroyVoice(); | ||
|  | 			mastering_voice_ = nullptr; | ||
|  | 		} | ||
|  | 
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|  | 		DX::SafeRelease(x_audio2_); | ||
|  | 
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|  | 		modules::MediaFoundation::Get().MFShutdown(); | ||
|  | 	} | ||
|  | 
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|  | 	HRESULT Audio::CreateVoice(Voice& voice, const WAVEFORMATEX* wfx) | ||
|  | 	{ | ||
|  | 		HRESULT hr; | ||
|  | 		IXAudio2SourceVoice* source_voice; | ||
|  | 
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|  | 		hr = x_audio2_->CreateSourceVoice(&source_voice, wfx, 0, XAUDIO2_DEFAULT_FREQ_RATIO); | ||
|  | 		if (SUCCEEDED(hr)) | ||
|  | 		{ | ||
|  | 			voice.SetSourceVoice(source_voice); | ||
|  | 			voice_cache_.insert(&voice); | ||
|  | 		} | ||
|  | 		return hr; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	void Audio::DeleteVoice(Voice* voice) | ||
|  | 	{ | ||
|  | 		voice_cache_.erase(voice); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	void Audio::ClearVoiceCache() | ||
|  | 	{ | ||
|  | 		for (auto voice : voice_cache_) | ||
|  | 		{ | ||
|  | 			voice->Destroy(); | ||
|  | 		} | ||
|  | 		voice_cache_.clear(); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	void Audio::Open() | ||
|  | 	{ | ||
|  | 		x_audio2_->StartEngine(); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	void Audio::Close() | ||
|  | 	{ | ||
|  | 		x_audio2_->StopEngine(); | ||
|  | 	} | ||
|  | 
 | ||
|  | } |