124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
// Copyright (c) 2016-2018 Kiwano - 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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#include <kiwano-audio/AudioEngine.h>
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#include <kiwano-audio/libraries.h>
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#include <kiwano/core/Logger.h>
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#include <kiwano/platform/win32/helper.h> // win32::ThrowIfFailed
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namespace kiwano
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{
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namespace audio
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{
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AudioEngine::AudioEngine()
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: x_audio2_(nullptr)
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, mastering_voice_(nullptr)
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{
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}
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AudioEngine::~AudioEngine() {}
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void AudioEngine::SetupComponent()
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{
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KGE_SYS_LOG(L"Creating audio resources");
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HRESULT hr = dlls::MediaFoundation::Get().MFStartup(MF_VERSION, MFSTARTUP_FULL);
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if (SUCCEEDED(hr))
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{
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hr = dlls::XAudio2::Get().XAudio2Create(&x_audio2_, 0, XAUDIO2_DEFAULT_PROCESSOR);
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}
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if (SUCCEEDED(hr))
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{
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hr = x_audio2_->CreateMasteringVoice(&mastering_voice_);
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}
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win32::ThrowIfFailed(hr);
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}
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void AudioEngine::DestroyComponent()
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{
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KGE_SYS_LOG(L"Destroying audio resources");
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if (mastering_voice_)
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{
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mastering_voice_->DestroyVoice();
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mastering_voice_ = nullptr;
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}
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if (x_audio2_)
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{
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x_audio2_->Release();
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x_audio2_ = nullptr;
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}
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dlls::MediaFoundation::Get().MFShutdown();
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}
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bool AudioEngine::CreateSound(Sound& sound, const Transcoder::Buffer& buffer)
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{
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KGE_ASSERT(x_audio2_ && "AudioEngine hasn't been initialized!");
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HRESULT hr = S_OK;
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if (buffer.format == nullptr)
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hr = E_INVALIDARG;
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if (SUCCEEDED(hr))
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{
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IXAudio2SourceVoice* voice = nullptr;
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hr = x_audio2_->CreateSourceVoice(&voice, buffer.format, 0, XAUDIO2_DEFAULT_FREQ_RATIO);
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if (SUCCEEDED(hr))
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{
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IXAudio2SourceVoice* old = sound.GetXAudio2Voice();
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if (old)
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{
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old->DestroyVoice();
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old = nullptr;
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}
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sound.SetXAudio2Voice(voice);
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}
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}
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win32::WarnIfFailed(hr);
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return SUCCEEDED(hr);
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}
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void AudioEngine::Open()
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{
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KGE_ASSERT(x_audio2_ && "AudioEngine hasn't been initialized!");
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if (x_audio2_)
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x_audio2_->StartEngine();
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}
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void AudioEngine::Close()
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{
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KGE_ASSERT(x_audio2_ && "AudioEngine hasn't been initialized!");
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if (x_audio2_)
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x_audio2_->StopEngine();
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}
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} // namespace audio
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} // namespace kiwano
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