IAudioDeviceModulesClient::SetAudioDeviceModulesManager 方法 (audioenginebaseapo.h)

由系统调用,以将 AudioDeviceModulesManager 的实例传递到实现 IAudioDeviceModulesClient 接口 (ADO) 音频处理对象。

语法

HRESULT SetAudioDeviceModulesManager(
  IUnknown *pAudioDeviceModulesManager
);

参数

pAudioDeviceModulesManager

表示 IAudioDeviceModulesManagerIUnknown 接口。

返回值

HRESULT。

注解

下面的代码示例演示 IAudioDeviceModulesClient 的实现。

STDMETHODIMP CTestModuleAPO::SetAudioDeviceModulesManager(_In_ IUnknown* pAudioDeviceModulesManager) 
{
    HRESULT hr = S_OK;
    CComQIPtr<Windows::Media::Devices::IAudioDeviceModulesManager> spModuleManager = pAudioDeviceModulesManager;
    ComPtr<IVectorView<AudioDeviceModule *>> spModules;

    // Cache the audio modules manager for later use within the apo
    m_AudioModulesManager = pAudioDeviceModulesManager;

    // Search the audio modules for a known module
    hr = m_pAudioDeviceModulesMgr->FindAllById(KNOWN_MODULE_ID, &spModules);

    if (SUCCEEDED(hr))
    {
        // do something with the module(s) returned or cache them for later usage
        m_KnownModules = spModules;
    }

    return hr;
}

要求

要求
最低受支持的客户端 Windows 10内部版本 20348
标头 audioenginebaseapo.h