JNIEXPORT jint JNICALL
Java_org_jitsi_impl_neomedia_jmfext_media_protocol_wasapi_WASAPI_IMMDevice_1GetState
(JNIEnv *env, jclass clazz, jlong thiz)
{
DWORD dwState;
HRESULT hr = IMMDevice_GetState((IMMDevice *) (intptr_t) thiz, &dwState);
if (FAILED(hr))
{
dwState = 0;
WASAPI_throwNewHResultException(env, hr, __func__, __LINE__);
}
return (jint) dwState;
}
static HRESULT WINAPI MMDevEnum_GetDefaultAudioEndpoint(IMMDeviceEnumerator *iface, EDataFlow flow, ERole role, IMMDevice **device)
{
MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
WCHAR reg_key[256];
HKEY key;
HRESULT hr;
TRACE("(%p)->(%u,%u,%p)\n", This, flow, role, device);
if (!device)
return E_POINTER;
if((flow != eRender && flow != eCapture) ||
(role != eConsole && role != eMultimedia && role != eCommunications)){
WARN("Unknown flow (%u) or role (%u)\n", flow, role);
return E_INVALIDARG;
}
*device = NULL;
if(!drvs.module_name[0])
return E_NOTFOUND;
lstrcpyW(reg_key, drv_keyW);
lstrcatW(reg_key, slashW);
lstrcatW(reg_key, drvs.module_name);
if(RegOpenKeyW(HKEY_CURRENT_USER, reg_key, &key) == ERROR_SUCCESS){
const WCHAR *reg_x_name, *reg_vx_name;
WCHAR def_id[256];
DWORD size = sizeof(def_id), state;
if(flow == eRender){
reg_x_name = reg_out_nameW;
reg_vx_name = reg_vout_nameW;
}else{
reg_x_name = reg_in_nameW;
reg_vx_name = reg_vin_nameW;
}
if(role == eCommunications &&
RegQueryValueExW(key, reg_vx_name, 0, NULL,
(BYTE*)def_id, &size) == ERROR_SUCCESS){
hr = IMMDeviceEnumerator_GetDevice(iface, def_id, device);
if(SUCCEEDED(hr)){
if(SUCCEEDED(IMMDevice_GetState(*device, &state)) &&
state == DEVICE_STATE_ACTIVE){
RegCloseKey(key);
return S_OK;
}
}
TRACE("Unable to find voice device %s\n", wine_dbgstr_w(def_id));
}
if(RegQueryValueExW(key, reg_x_name, 0, NULL,
(BYTE*)def_id, &size) == ERROR_SUCCESS){
hr = IMMDeviceEnumerator_GetDevice(iface, def_id, device);
if(SUCCEEDED(hr)){
if(SUCCEEDED(IMMDevice_GetState(*device, &state)) &&
state == DEVICE_STATE_ACTIVE){
RegCloseKey(key);
return S_OK;
}
}
TRACE("Unable to find device %s\n", wine_dbgstr_w(def_id));
}
RegCloseKey(key);
}
if (flow == eRender)
*device = &MMDevice_def_play->IMMDevice_iface;
else
*device = &MMDevice_def_rec->IMMDevice_iface;
if (!*device)
return E_NOTFOUND;
IMMDevice_AddRef(*device);
return S_OK;
}
