// The return value should be TRUE OR FALSE means enabled or disabled.
AUDIO_DEVICE_API BOOL GetCaptureListDeviceState(DeviceInfo *pDeviceInfo, int index)
{
InternalDeviceInfo *pInternalDeviceInfo = (InternalDeviceInfo *) pDeviceInfo;
HRESULT hr = S_OK;
IMMDevice *pDevice = NULL;
if (pInternalDeviceInfo->pCaptureCollection != NULL) {
hr = pInternalDeviceInfo->pCaptureCollection->Item(index, &pDevice);
}
// assert(hr == S_OK);
DWORD dwState;
pDevice->GetState(&dwState);
SAFE_RELEASE(pDevice);
return dwState == DEVICE_STATE_ACTIVE ? TRUE : FALSE;
}
std::vector<IMMDevice*> AudioMasterMind::getActiveDevices()
{
CoInitialize(NULL);
IMMDeviceEnumerator* deviceEnumeratorPtr = NULL;
HRESULT hr = CoCreateInstance(
__uuidof(MMDeviceEnumerator), NULL, CLSCTX_ALL,
__uuidof(IMMDeviceEnumerator),
(void**)&deviceEnumeratorPtr
);
if (FAILED(hr))
{
BOOST_LOG_TRIVIAL(error) << "Failed to create IMMDeviceEnumerator hr:" << hr;
throw std::logic_error{ "Failed to create IMMDeviceEnumerator" };
}
IMMDeviceCollection* deviceCollectionPtr = NULL;
hr = deviceEnumeratorPtr->EnumAudioEndpoints(eAll, DEVICE_STATEMASK_ALL, &deviceCollectionPtr);
if (FAILED(hr))
{
BOOST_LOG_TRIVIAL(error) << "Failed to enumerate audio endpoints ";
throw std::logic_error{ "Failed to enumerate audio endpoints" };
}
UINT deviceCount = 0;
hr = deviceCollectionPtr->GetCount(&deviceCount);
if (FAILED(hr))
{
BOOST_LOG_TRIVIAL(error) << "Failed to get the count of devices";
throw std::logic_error{ "Failed to get Device count" };
}
BOOST_LOG_TRIVIAL(info) << "Device Count is: " << deviceCount;
std::vector<IMMDevice*> activeDevices;
for (unsigned int i = 0; i < deviceCount; ++i)
{
IMMDevice* devicePtr = NULL;
hr = deviceCollectionPtr->Item(i, &devicePtr);
if (FAILED(hr))
{
BOOST_LOG_TRIVIAL(error) << "Failed to get device no. " << i;
throw std::logic_error{ "Failed to get Device Ptr" };
}
DWORD deviceState;
hr = devicePtr->GetState(&deviceState);
if (FAILED(hr))
{
BOOST_LOG_TRIVIAL(error) << "Failed to get devices state: " << hr;
throw std::logic_error{ "Failed to get Device State" };
}
if (deviceState == DEVICE_STATE_ACTIVE)
{
activeDevices.push_back(devicePtr);
}
}
return activeDevices;
}
