115     HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);  in Init()  local
116     need_couninitialize_ = SUCCEEDED(hr);  in Init()
117     if (FAILED(hr)) {  in Init()
118       LOG(LS_ERROR) << "CoInitialize failed, hr=" << hr;  in Init()
119       if (hr != RPC_E_CHANGED_MODE) {  in Init()
184   HRESULT hr;  in GetDevices()  local
191   if (FAILED(hr = sys_dev_enum.CoCreateInstance(CLSID_SystemDeviceEnum)) ||  in GetDevices()
192       FAILED(hr = sys_dev_enum->CreateClassEnumerator(catid, &cam_enum, 0))) {  in GetDevices()
193     LOG(LS_ERROR) << "Failed to create device enumerator, hr="  << hr;  in GetDevices()
199   if (hr == S_OK) {  in GetDevices()
235   HRESULT hr = bag->GetValue(key, &var);  in GetStringProp()  local
236   if (SUCCEEDED(hr)) {  in GetStringProp()
240       hr = E_FAIL;  in GetStringProp()
244   return hr;  in GetStringProp()
251   HRESULT hr = device->OpenPropertyStore(STGM_READ, &props);  in CricketDeviceFromImmDevice()  local
252   if (FAILED(hr)) {  in CricketDeviceFromImmDevice()
253     return hr;  in CricketDeviceFromImmDevice()
258   hr = GetStringProp(props, PKEY_Device_FriendlyName, &name);  in CricketDeviceFromImmDevice()
259   if (SUCCEEDED(hr)) {  in CricketDeviceFromImmDevice()
260     hr = GetStringProp(props, PKEY_AudioEndpoint_GUID, &guid);  in CricketDeviceFromImmDevice()
262     if (SUCCEEDED(hr)) {  in CricketDeviceFromImmDevice()
267   return hr;  in CricketDeviceFromImmDevice()
272   HRESULT hr = S_OK;  in GetCoreAudioDevices()  local
275   hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_ALL,  in GetCoreAudioDevices()
277   if (SUCCEEDED(hr)) {  in GetCoreAudioDevices()
279     hr = enumerator->EnumAudioEndpoints((input ? eCapture : eRender),  in GetCoreAudioDevices()
281     if (SUCCEEDED(hr)) {  in GetCoreAudioDevices()
283       hr = devices->GetCount(&count);  in GetCoreAudioDevices()
285       if (SUCCEEDED(hr)) {  in GetCoreAudioDevices()
290           hr = devices->Item(i, &device);  in GetCoreAudioDevices()
291           if (FAILED(hr)) {  in GetCoreAudioDevices()
296           hr = CricketDeviceFromImmDevice(device, &dev);  in GetCoreAudioDevices()
297           if (SUCCEEDED(hr)) {  in GetCoreAudioDevices()
300             LOG(LS_WARNING) << "Unable to query IMM Device, skipping.  HR="  in GetCoreAudioDevices()
301                             << hr;  in GetCoreAudioDevices()
302             hr = S_FALSE;  in GetCoreAudioDevices()
309   if (FAILED(hr)) {  in GetCoreAudioDevices()
310     LOG(LS_WARNING) << "GetCoreAudioDevices failed with hr " << hr;  in GetCoreAudioDevices()