83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
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#include "device_enumerator.h"
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#include "device.h"
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#ifdef _MSC_VER
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DEFINE_GUID(IID_IMMDeviceEnumerator,
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0xa95664d2, 0x9614, 0x4f35,
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0xa7, 0x46, 0xde, 0x8d, 0xb6, 0x36, 0x17, 0xe6);
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#endif
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HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::QueryInterface(REFIID riid, void **ppvObj) {
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if (ppvObj == nullptr) {
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return E_POINTER;
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}
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if (riid == IID_IMMDeviceEnumerator) {
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this->AddRef();
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*ppvObj = this;
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return S_OK;
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}
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return pReal->QueryInterface(riid, ppvObj);
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}
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ULONG STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::AddRef() {
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return pReal->AddRef();
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}
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ULONG STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::Release() {
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// get reference count of underlying interface
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ULONG refs = pReal != nullptr ? pReal->Release() : 0;
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if (refs == 0) {
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delete this;
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}
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return refs;
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}
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HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::EnumAudioEndpoints(
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EDataFlow dataFlow,
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DWORD dwStateMask,
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IMMDeviceCollection **ppDevices)
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{
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return pReal->EnumAudioEndpoints(dataFlow, dwStateMask, ppDevices);
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}
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HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::GetDefaultAudioEndpoint(
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EDataFlow dataFlow,
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ERole role,
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IMMDevice **ppEndpoint)
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{
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// call orignal
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HRESULT ret = this->pReal->GetDefaultAudioEndpoint(dataFlow, role, ppEndpoint);
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// check for failure
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if (FAILED(ret)) {
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log_warning("audio", "IMMDeviceEnumerator::GetDefaultAudioEndpoint failed, hr={}", FMT_HRESULT(ret));
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return ret;
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}
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// wrap interface
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*ppEndpoint = new WrappedIMMDevice(*ppEndpoint);
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// return original result
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return ret;
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}
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HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::GetDevice(
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LPCWSTR pwstrId,
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IMMDevice **ppDevice)
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{
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return pReal->GetDevice(pwstrId, ppDevice);
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}
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HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::RegisterEndpointNotificationCallback(
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IMMNotificationClient *pClient)
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{
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return pReal->RegisterEndpointNotificationCallback(pClient);
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}
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HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::UnregisterEndpointNotificationCallback(
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IMMNotificationClient *pClient)
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{
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return pReal->UnregisterEndpointNotificationCallback(pClient);
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}
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