C++ XElement::GetElement方法代码示例

ImageSource* OBS::AddGlobalSourceToScene(CTSTR lpName)
{
    XElement *globals = scenesConfig.GetElement(TEXT("global sources"));
    if(globals)
    {
        XElement *globalSourceElement = globals->GetElement(lpName);
        if(globalSourceElement)
        {
            CTSTR lpClass = globalSourceElement->GetString(TEXT("class"));
            if(lpClass)
            {
                ImageSource *newGlobalSource = CreateImageSource(lpClass, globalSourceElement->GetElement(TEXT("data")));
                if(newGlobalSource)
                {
                    App->EnterSceneMutex();

                    GlobalSourceInfo *info = globalSources.CreateNew();
                    info->strName = lpName;
                    info->element = globalSourceElement;
                    info->source = newGlobalSource;

                    info->source->BeginScene();

                    App->LeaveSceneMutex();

                    return newGlobalSource;
                }
            }
        }
    }

    AppWarning(TEXT("OBS::AddGlobalSourceToScene: Could not find global source '%s'"), lpName);
    return NULL;
}

void OBS::CheckSources()
{
    XElement *curSceneElement = App->sceneElement;
    XElement *sources = curSceneElement->GetElement(TEXT("sources"));

    if(!sources)
        return;

    HWND hwndSources = GetDlgItem(hwndMain, ID_SOURCES);

    UINT numSources = ListView_GetItemCount(hwndSources);
    for(UINT i = 0; i < numSources; i++)
    {
        bool checked = ListView_GetCheckState(hwndSources, i) > 0;
        XElement *source =sources->GetElementByID(i);
        bool curRender = source->GetInt(TEXT("render"), 0) > 0;
        if(curRender != checked)
        {
            source->SetInt(TEXT("render"), (checked)?1:0);
            if(scene && i < scene->NumSceneItems())
            {
                SceneItem *sceneItem = scene->GetSceneItem(i);
                sceneItem->bRender = checked;
                sceneItem->SetRender(checked);
            }
            ReportSourceChanged(source->GetName(), source);
        }
    }
}

XElement* OBS::GetGlobalSourceElement(CTSTR lpName)
{
    XElement *globals = scenesConfig.GetElement(TEXT("global sources"));
    if(globals)
        return globals->GetElement(lpName);

    return NULL;
}

bool STDCALL OBS::ConfigGlobalSource(XElement *element, bool bCreating)
{
    XElement *data = element->GetElement(TEXT("data"));
    CTSTR lpGlobalSourceName = data->GetString(TEXT("name"));

    XElement *globalSources = App->scenesConfig.GetElement(TEXT("global sources"));
    if(!globalSources) //shouldn't happen
        return false;

    XElement *globalSourceElement = globalSources->GetElement(lpGlobalSourceName);
    if(!globalSourceElement) //shouldn't happen
        return false;

    CTSTR lpClass = globalSourceElement->GetString(TEXT("class"));

    ClassInfo *classInfo = App->GetImageSourceClass(lpClass);
    if(!classInfo) //shouldn't happen
        return false;

    if(classInfo->configProc)
    {
        if(!classInfo->configProc(globalSourceElement, bCreating))
            return false;

        element->SetInt(TEXT("cx"), globalSourceElement->GetInt(TEXT("cx")));
        element->SetInt(TEXT("cy"), globalSourceElement->GetInt(TEXT("cy")));

        if(App->bRunning)
        {
            for(UINT i=0; i<App->globalSources.Num(); i++)
            {
                GlobalSourceInfo &info = App->globalSources[i];
                if(info.strName.CompareI(lpGlobalSourceName) && info.source)
                {
                    info.source->UpdateSettings();
                    break;
                }
            }
        }
    }

    return true;
}

ServerPingSettings::ServerPingSettings() : SettingsPane()
{
	// class privates
	pingers = new List<Pinger *>();
	InitializeCriticalSection(&pingerMutex);

	// service
	
	UINT serviceCount;
	XConfig serverData;
	
	if(serverData.Open(TEXT("services.xconfig")))
    {
        XElement *services = serverData.GetElement(TEXT("services"));
        if(services) {
            serviceCount = services->NumElements();

            for(UINT i = 0; i < serviceCount; i++) {
                XElement *service = services->GetElementByID(i);
				if (service) {
					XElement *servers = service->GetElement(TEXT("servers"));
					if(servers) {
						UINT numServers = servers->NumDataItems();
						for(UINT i=0; i<numServers; i++) {
							XDataItem *server = servers->GetDataItemByID(i);
							if (server) {
								pingers->Add(new Pinger(service, server));
							}
						}
					}
				}
            }
        }
    }
	serverData.Close();

    hThread = 0;
}

void OBS::SetSourceRender(CTSTR sourceName, bool render)
{
    XElement *curSceneElement = App->sceneElement;
    XElement *sources = curSceneElement->GetElement(TEXT("sources"));

    if(!sources)
        return;

    HWND hwndSources = GetDlgItem(hwndMain, ID_SOURCES);

    UINT numSources = ListView_GetItemCount(hwndSources);
    for(UINT i = 0; i < numSources; i++)
    {
        bool checked = ListView_GetCheckState(hwndSources, i) > 0;
        XElement *source =sources->GetElementByID(i);
        if(scmp(source->GetName(), sourceName) == 0 && checked != render)
        {
            if(scene && i < scene->NumSceneItems())
            {
                SceneItem *sceneItem = scene->GetSceneItem(i);
                sceneItem->SetRender(render);
            }
            else
            {
                source->SetInt(TEXT("render"), (render)?1:0);
            }
            App->bChangingSources = true;
            ListView_SetCheckState(hwndSources, i, render);
            App->bChangingSources = false;

            ReportSourceChanged(sourceName, source);

            break;
        }
    }
}

json_t* OBSAPIMessageHandler::HandleGetCurrentScene(OBSAPIMessageHandler* handler, json_t* message)
{
    OBSEnterSceneMutex();
    
    json_t* ret = GetOkResponse();

    XElement* scene = OBSGetSceneElement();
    json_object_set_new(ret, "name", json_string_wchar(scene->GetName()));

    XElement* sources = scene->GetElement(TEXT("sources"));
    json_t* scene_items = json_array();
    if(sources != NULL)
    {
        for(UINT i = 0; i < sources->NumElements(); i++)
        {
            XElement* source = sources->GetElementByID(i);
            json_array_append_new(scene_items, getSourceJson(source));
        }
    }

    json_object_set_new(ret, "sources", scene_items);
    OBSLeaveSceneMutex();
    return ret;
}

INT_PTR SettingsPublish::ProcMessage(UINT message, WPARAM wParam, LPARAM lParam)
{
    HWND hwndTemp;

    switch(message)
    {
        case WM_INITDIALOG:
            {
                LocalizeWindow(hwnd);

                RECT serviceRect, saveToFileRect;
                GetWindowRect(GetDlgItem(hwnd, IDC_SERVICE), &serviceRect);
                GetWindowRect(GetDlgItem(hwnd, IDC_SAVEPATH), &saveToFileRect);

                data.fileControlOffset = saveToFileRect.top-serviceRect.top;

                //--------------------------------------------

                hwndTemp = GetDlgItem(hwnd, IDC_MODE);
                SendMessage(hwndTemp, CB_ADDSTRING, 0, (LPARAM)Str("Settings.Publish.Mode.LiveStream"));
                SendMessage(hwndTemp, CB_ADDSTRING, 0, (LPARAM)Str("Settings.Publish.Mode.FileOnly"));

                int mode = LoadSettingComboInt(hwndTemp, TEXT("Publish"), TEXT("Mode"), 0, 2);
                data.mode = mode;

                //--------------------------------------------

                hwndTemp = GetDlgItem(hwnd, IDC_SERVICE);
                int itemId = (int)SendMessage(hwndTemp, CB_ADDSTRING, 0, (LPARAM)TEXT("Custom"));
                SendMessage(hwndTemp, CB_SETITEMDATA, itemId, 0);

                UINT numServices = 0;

                XConfig serverData;
                if(serverData.Open(TEXT("services.xconfig")))
                {
                    XElement *services = serverData.GetElement(TEXT("services"));
                    if(services)
                    {
                        numServices = services->NumElements();

                        for(UINT i=0; i<numServices; i++)
                        {
                            XElement *service = services->GetElementByID(i);
                            itemId = (int)SendMessage(hwndTemp, CB_ADDSTRING, 0, (LPARAM)service->GetName());
                            SendMessage(hwndTemp, CB_SETITEMDATA, itemId, service->GetInt(TEXT("id")));
                        }
                    }
                }

                int serviceID = AppConfig->GetInt(TEXT("Publish"), TEXT("Service"), 0);

                if(mode != 0) ShowWindow(hwndTemp, SW_HIDE);

                //--------------------------------------------

                hwndTemp = GetDlgItem(hwnd, IDC_PLAYPATH);
                LoadSettingEditString(hwndTemp, TEXT("Publish"), TEXT("PlayPath"), NULL);
                if(mode != 0) ShowWindow(hwndTemp, SW_HIDE);

                if(serviceID == 0) //custom
                {
                    ShowWindow(GetDlgItem(hwnd, IDC_SERVERLIST), SW_HIDE);
                    hwndTemp = GetDlgItem(hwnd, IDC_URL);
                    LoadSettingEditString(hwndTemp, TEXT("Publish"), TEXT("URL"), NULL);
                    SendDlgItemMessage(hwnd, IDC_SERVICE, CB_SETCURSEL, 0, 0);
                }
                else
                {
                    ShowWindow(GetDlgItem(hwnd, IDC_URL), SW_HIDE);
                    hwndTemp = GetDlgItem(hwnd, IDC_SERVERLIST);

                    XElement *services = serverData.GetElement(TEXT("services"));
                    if(services)
                    {
                        XElement *service = NULL;
                        numServices = services->NumElements();
                        for(UINT i=0; i<numServices; i++)
                        {
                            XElement *curService = services->GetElementByID(i);
                            if(curService->GetInt(TEXT("id")) == serviceID)
                            {
                                SendDlgItemMessage(hwnd, IDC_SERVICE, CB_SETCURSEL, i+1, 0);
                                service = curService;
                                break;
                            }
                        }

                        if(service)
                        {
                            XElement *servers = service->GetElement(TEXT("servers"));
                            if(servers)
                            {
                                UINT numServers = servers->NumDataItems();
                                for(UINT i=0; i<numServers; i++)
                                {
                                    XDataItem *server = servers->GetDataItemByID(i);
                                    SendMessage(hwndTemp, CB_ADDSTRING, 0, (LPARAM)server->GetName());
                                }
                            }
//.........这里部分代码省略.........

void SettingsPublish::OptimizeSettings()
{
    auto refresh_on_exit = GuardScope([&] { SetWarningInfo(); });
    XConfig serverData;
    if (!serverData.Open(L"services.xconfig"))
        return;

    XElement *services = serverData.GetElement(L"services");
    if (!services)
        return;

    UINT numServices = services->NumElements();

    int serviceID = (int)SendMessage(GetDlgItem(hwnd, IDC_SERVICE), CB_GETITEMDATA, SendMessage(GetDlgItem(hwnd, IDC_SERVICE), CB_GETCURSEL, 0, 0), 0);
    XElement *r = nullptr;
    for (UINT i = 0; i < numServices; i++)
    {
        XElement *service = services->GetElementByID(i);
        if (service->GetInt(L"id") != serviceID)
            continue;

        //check to see if the service we're using has recommendations
        if (!service->HasItem(L"recommended"))
            return;

        r = service->GetElement(L"recommended");
        break;
    }

    if (!r)
        return;

    using optimizers_t = std::vector<std::function<void()>>;
    optimizers_t optimizers;

    String changes = Str("Settings.Publish.Optimize.Optimizations");

    String currentAudioCodec = AppConfig->GetString(L"Audio Encoding", L"Codec", L"AAC");
    int audioBitrate = AppConfig->GetInt(L"Audio Encoding", L"Bitrate", 96);

    if (r->HasItem(L"ratecontrol"))
    {
        bool useCBR = AppConfig->GetInt(L"Video Encoding", L"UseCBR", 1) != 0;
        CTSTR rc = r->GetString(L"ratecontrol");
        if (!scmp(rc, L"cbr") && !useCBR)
        {
            optimizers.push_back([] { AppConfig->SetInt(L"Video Encoding", L"UseCBR", 1); });
            changes << Str("Settings.Publish.Optimize.UseCBR");
        }
    }

    if (r->HasItem(L"max bitrate"))
    {
        int maxBitrate = AppConfig->GetInt(L"Video Encoding", L"MaxBitrate", 1000);
        int max_bitrate = r->GetInt(L"max bitrate");
        if (maxBitrate > max_bitrate)
        {
            optimizers.push_back([max_bitrate] { AppConfig->SetInt(L"Video Encoding", L"MaxBitrate", max_bitrate); });
            changes << FormattedString(Str("Settings.Publish.Optimize.Maxbitrate"), max_bitrate);
        }
    }

    if (r->HasItem(L"supported audio codec"))
    {
        StringList codecs;
        r->GetStringList(L"supported audio codec", codecs);
        if (codecs.FindValueIndex(currentAudioCodec) == INVALID)
        {
            String codec = codecs[0];
            optimizers.push_back([codec]
            {
                AppConfig->SetString(L"Audio Encoding", L"Codec", codec.Array());
                AppConfig->SetInt(L"Audio Encoding", L"Format", codec.CompareI(L"AAC") ? 1 : 0); //set to 44.1 kHz in case of MP3, see SettingsEncoding.cpp
            });
            changes << FormattedString(Str("Settings.Publish.Optimize.UnsupportedAudioCodec"), codec.Array());
        }
    }

    if (r->HasItem(L"max audio bitrate aac") && (!scmp(currentAudioCodec, L"AAC")))
    {
        int maxaudioaac = r->GetInt(L"max audio bitrate aac");
        if (audioBitrate > maxaudioaac)
        {
            optimizers.push_back([maxaudioaac] { AppConfig->SetInt(L"Audio Encoding", L"Bitrate", maxaudioaac); });
            changes << FormattedString(Str("Settings.Publish.Optimize.MaxAudiobitrate"), maxaudioaac);
        }
    }

    if (r->HasItem(L"max audio bitrate mp3") && (!scmp(currentAudioCodec, L"MP3")))
    {
        int maxaudiomp3 = r->GetInt(L"max audio bitrate mp3");
        if (audioBitrate > maxaudiomp3)
        {
            optimizers.push_back([maxaudiomp3] { AppConfig->SetInt(L"Audio Encoding", L"Bitrate", maxaudiomp3); });
            changes << FormattedString(Str("Settings.Publish.Optimize.MaxAudiobitrate"), maxaudiomp3);
        }
    }

    if (r->HasItem(L"profile"))
    {
//.........这里部分代码省略.........

void SettingsPublish::SetWarningInfo()
{
    int serviceID = (int)SendMessage(GetDlgItem(hwnd, IDC_SERVICE), CB_GETITEMDATA, SendMessage(GetDlgItem(hwnd, IDC_SERVICE), CB_GETCURSEL, 0, 0), 0);

    bool bUseCBR = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("UseCBR"), 1) != 0;
    int maxBitRate = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("MaxBitrate"), 1000);
    int keyframeInt = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("KeyframeInterval"), 0);
    int audioBitRate = AppConfig->GetInt(TEXT("Audio Encoding"), TEXT("Bitrate"), 96);
    String currentx264Profile = AppConfig->GetString(TEXT("Video Encoding"), TEXT("X264Profile"), L"high");
    String currentAudioCodec = AppConfig->GetString(TEXT("Audio Encoding"), TEXT("Codec"), TEXT("AAC"));
    float currentAspect = AppConfig->GetInt(L"Video", L"BaseWidth") / (float)max(1, AppConfig->GetInt(L"Video", L"BaseHeight"));

    //ignore for non-livestreams
    if (data.mode != 0)
    {
        SetDlgItemText(hwnd, IDC_WARNINGS, TEXT(""));
        return;
    }

    bool hasErrors = false;
    bool canOptimize = false;
    String strWarnings;

    XConfig serverData;
    if(serverData.Open(TEXT("services.xconfig")))
    {
        XElement *services = serverData.GetElement(TEXT("services"));
        if(services)
        {
            UINT numServices = services->NumElements();

            for(UINT i=0; i<numServices; i++)
            {
                XElement *service = services->GetElementByID(i);
                if (service->GetInt(TEXT("id")) == serviceID)
                {
                    strWarnings = FormattedString(Str("Settings.Publish.Warning.BadSettings"), service->GetName());

                    //check to see if the service we're using has recommendations
                    if (!service->HasItem(TEXT("recommended")))
                    {
                        SetDlgItemText(hwnd, IDC_WARNINGS, TEXT(""));
                        return;
                    }

                    XElement *r = service->GetElement(TEXT("recommended"));

                    if (r->HasItem(TEXT("ratecontrol")))
                    {
                        CTSTR rc = r->GetString(TEXT("ratecontrol"));
                        if (!scmp (rc, TEXT("cbr")) && !bUseCBR)
                        {
                            hasErrors = true;
                            canOptimize = true;
                            strWarnings << Str("Settings.Publish.Warning.UseCBR");
                        }
                    }

                    if (r->HasItem(TEXT("max bitrate")))
                    {
                        int max_bitrate = r->GetInt(TEXT("max bitrate"));
                        if (maxBitRate > max_bitrate)
                        {
                            hasErrors = true;
                            canOptimize = true;
                            strWarnings << FormattedString(Str("Settings.Publish.Warning.Maxbitrate"), max_bitrate);
                        }
                    }

                    if (r->HasItem(L"supported audio codec"))
                    {
                        StringList codecs;
                        r->GetStringList(L"supported audio codec", codecs);
                        if (codecs.FindValueIndex(currentAudioCodec) == INVALID)
                        {
                            String msg = Str("Settings.Publish.Warning.UnsupportedAudioCodec"); //good thing OBS only supports MP3 (and AAC), otherwise I'd have to come up with a better translation solution
                            msg.FindReplace(L"$1", codecs[0].Array());
                            msg.FindReplace(L"$2", currentAudioCodec.Array());
                            hasErrors = true;
                            canOptimize = true;
                            strWarnings << msg;
                        }
                    }

                    if (r->HasItem(TEXT("max audio bitrate aac")) && (!scmp(currentAudioCodec, TEXT("AAC"))))
                    {
                        int maxaudioaac = r->GetInt(TEXT("max audio bitrate aac"));
                        if (audioBitRate > maxaudioaac)
                        {
                            hasErrors = true;
                            canOptimize = true;
                            strWarnings << FormattedString(Str("Settings.Publish.Warning.MaxAudiobitrate"), maxaudioaac);
                        }
                    }

                    if (r->HasItem(TEXT("max audio bitrate mp3")) && (!scmp(currentAudioCodec, TEXT("MP3"))))
                    {
                        int maxaudiomp3 = r->GetInt(TEXT("max audio bitrate mp3"));
                        if (audioBitRate > maxaudiomp3)
                        {
//.........这里部分代码省略.........

bool OBS::SetScene(CTSTR lpScene)
{
    if(bDisableSceneSwitching)
        return false;

    HWND hwndScenes = GetDlgItem(hwndMain, ID_SCENES);
    UINT curSel = (UINT)SendMessage(hwndScenes, LB_GETCURSEL, 0, 0);

    //-------------------------

    if(curSel != LB_ERR)
    {
        UINT textLen = (UINT)SendMessage(hwndScenes, LB_GETTEXTLEN, curSel, 0);

        String strLBName;
        strLBName.SetLength(textLen);

        SendMessage(hwndScenes, LB_GETTEXT, curSel, (LPARAM)strLBName.Array());
        if(!strLBName.CompareI(lpScene))
        {
            UINT id = (UINT)SendMessage(hwndScenes, LB_FINDSTRINGEXACT, -1, (LPARAM)lpScene);
            if(id == LB_ERR)
                return false;

            SendMessage(hwndScenes, LB_SETCURSEL, id, 0);
        }
    }
    else
    {
        UINT id = (UINT)SendMessage(hwndScenes, LB_FINDSTRINGEXACT, -1, (LPARAM)lpScene);
        if(id == LB_ERR)
            return false;

        SendMessage(hwndScenes, LB_SETCURSEL, id, 0);
    }

    //-------------------------

    XElement *scenes = scenesConfig.GetElement(TEXT("scenes"));
    XElement *newSceneElement = scenes->GetElement(lpScene);
    if(!newSceneElement)
        return false;

    if(sceneElement == newSceneElement)
        return true;

    sceneElement = newSceneElement;

    CTSTR lpClass = sceneElement->GetString(TEXT("class"));
    if(!lpClass)
    {
        AppWarning(TEXT("OBS::SetScene: no class found for scene '%s'"), newSceneElement->GetName());
        return false;
    }

    if(bRunning)
    {
        Log(TEXT("++++++++++++++++++++++++++++++++++++++++++++++++++++++"));
        Log(TEXT("  New Scene"));
    }

    XElement *sceneData = newSceneElement->GetElement(TEXT("data"));

    //-------------------------

    Scene *newScene = NULL;
    if(bRunning)
        newScene = CreateScene(lpClass, sceneData);

    //-------------------------

    HWND hwndSources = GetDlgItem(hwndMain, ID_SOURCES);

    SendMessage(hwndSources, WM_SETREDRAW, (WPARAM)FALSE, (LPARAM) 0);

    bChangingSources = true;
    ListView_DeleteAllItems(hwndSources);
    
    XElement *sources = sceneElement->GetElement(TEXT("sources"));
    if(sources)
    {
        UINT numSources = sources->NumElements();
        ListView_SetItemCount(hwndSources, numSources);

        for(UINT i=0; i<numSources; i++)
        {
            XElement *sourceElement = sources->GetElementByID(i);
            bool render = sourceElement->GetInt(TEXT("render"), 1) > 0;
            
            
            AddSourceItem((LPWSTR)sourceElement->GetName(), render, i);
            
           
            if(bRunning && newScene)
                newScene->AddImageSource(sourceElement);
        }
    }
    bChangingSources = false;
    SendMessage(hwndSources, WM_SETREDRAW, (WPARAM)TRUE, (LPARAM) 0);
    RedrawWindow(hwndSources, NULL, NULL, RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
//.........这里部分代码省略.........

bool OBS::SetScene(CTSTR lpScene)
{
    if(bDisableSceneSwitching)
        return false;

    HWND hwndScenes = GetDlgItem(hwndMain, ID_SCENES);
    UINT curSel = (UINT)SendMessage(hwndScenes, LB_GETCURSEL, 0, 0);

    //-------------------------

    if(curSel != LB_ERR)
    {
        UINT textLen = (UINT)SendMessage(hwndScenes, LB_GETTEXTLEN, curSel, 0);

        String strLBName;
        strLBName.SetLength(textLen);

        SendMessage(hwndScenes, LB_GETTEXT, curSel, (LPARAM)strLBName.Array());
        if(!strLBName.CompareI(lpScene))
        {
            UINT id = (UINT)SendMessage(hwndScenes, LB_FINDSTRINGEXACT, -1, (LPARAM)lpScene);
            if(id == LB_ERR)
                return false;

            SendMessage(hwndScenes, LB_SETCURSEL, id, 0);
        }
    }
    else
    {
        UINT id = (UINT)SendMessage(hwndScenes, LB_FINDSTRINGEXACT, -1, (LPARAM)lpScene);
        if(id == LB_ERR)
            return false;

        SendMessage(hwndScenes, LB_SETCURSEL, id, 0);
    }

    //-------------------------

    XElement *scenes = scenesConfig.GetElement(TEXT("scenes"));
    XElement *newSceneElement = scenes->GetElement(lpScene);
    if(!newSceneElement)
        return false;

    if(sceneElement == newSceneElement)
        return true;

    sceneElement = newSceneElement;

    CTSTR lpClass = sceneElement->GetString(TEXT("class"));
    if(!lpClass)
    {
        AppWarning(TEXT("OBS::SetScene: no class found for scene '%s'"), newSceneElement->GetName());
        return false;
    }

    DWORD sceneChangeStartTime;

    if(bRunning)
    {
        Log(TEXT("++++++++++++++++++++++++++++++++++++++++++++++++++++++"));
        Log(TEXT("  New Scene"));

        sceneChangeStartTime = OSGetTime();
    }

    XElement *sceneData = newSceneElement->GetElement(TEXT("data"));

    //-------------------------

    Scene *newScene = NULL;
    if(bRunning)
        newScene = CreateScene(lpClass, sceneData);

    //-------------------------

    HWND hwndSources = GetDlgItem(hwndMain, ID_SOURCES);

    SendMessage(hwndSources, WM_SETREDRAW, (WPARAM)FALSE, (LPARAM) 0);

    App->scaleItem = NULL;

    bChangingSources = true;
    ListView_DeleteAllItems(hwndSources);

    bool bSkipTransition = false;

    XElement *sources = sceneElement->GetElement(TEXT("sources"));
    if(sources)
    {
        UINT numSources = sources->NumElements();
        ListView_SetItemCount(hwndSources, numSources);

        for(UINT i=0; i<numSources; i++)
        {
            XElement *sourceElement = sources->GetElementByID(i);
            String className = sourceElement->GetString(TEXT("class"));

            if(className == "DeviceCapture") {
                // There's a capture device in the next scene that isn't a global source,
                // so let's skip the transition since it won't work anyway.
//.........这里部分代码省略.........

void SettingsPublish::SetWarningInfo()
{
    int serviceID = (int)SendMessage(GetDlgItem(hwnd, IDC_SERVICE), CB_GETITEMDATA, SendMessage(GetDlgItem(hwnd, IDC_SERVICE), CB_GETCURSEL, 0, 0), 0);

    bool bUseCBR = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("UseCBR"), 1) != 0;
    int maxBitRate = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("MaxBitrate"), 1000);
    int keyframeInt = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("KeyframeInterval"), 0);
    int audioBitRate = AppConfig->GetInt(TEXT("Audio Encoding"), TEXT("Bitrate"), 96);
    String currentAudioCodec = AppConfig->GetString(TEXT("Audio Encoding"), TEXT("Codec"), TEXT("AAC"));

    //ignore for non-livestreams
    if (data->mode != 0)
    {
        SetDlgItemText(hwnd, IDC_WARNINGS, TEXT(""));
        return;
    }

    int errors = 0;
    String strWarnings;

    XConfig serverData;
    if(serverData.Open(TEXT("services.xconfig")))
    {
        XElement *services = serverData.GetElement(TEXT("services"));
        if(services)
        {
            UINT numServices = services->NumElements();

            for(UINT i=0; i<numServices; i++)
            {
                XElement *service = services->GetElementByID(i);
                if (service->GetInt(TEXT("id")) == serviceID)
                {
                    strWarnings = FormattedString(Str("Settings.Publish.Warning.BadSettings"), service->GetName());

                    //check to see if the service we're using has recommendations
                    if (!service->HasItem(TEXT("recommended")))
                    {
                        SetDlgItemText(hwnd, IDC_WARNINGS, TEXT(""));
                        return;
                    }

                    XElement *r = service->GetElement(TEXT("recommended"));

                    if (r->HasItem(TEXT("ratecontrol")))
                    {
                        CTSTR rc = r->GetString(TEXT("ratecontrol"));
                        if (!scmp (rc, TEXT("cbr")) && !bUseCBR)
                        {
                            errors++;
                            strWarnings << Str("Settings.Publish.Warning.UseCBR");
                        }
                    }

                    if (r->HasItem(TEXT("max bitrate")))
                    {
                        int max_bitrate = r->GetInt(TEXT("max bitrate"));
                        if (maxBitRate > max_bitrate)
                        {
                            errors++;
                            strWarnings << FormattedString(Str("Settings.Publish.Warning.Maxbitrate"), max_bitrate);
                        }
                    }

                    if (r->HasItem(TEXT("max audio bitrate aac")) && (!scmp(currentAudioCodec, TEXT("AAC"))))
                    {
                        int maxaudioaac = r->GetInt(TEXT("max audio bitrate aac"));
                        if (audioBitRate > maxaudioaac)
                        {
                            errors++;
                            strWarnings << FormattedString(Str("Settings.Publish.Warning.MaxAudiobitrate"), maxaudioaac);
                        }
                    }
                    
                    if (r->HasItem(TEXT("max audio bitrate mp3")) && (!scmp(currentAudioCodec, TEXT("MP3"))))
                    {
                        int maxaudiomp3 = r->GetInt(TEXT("max audio bitrate mp3"));
                        if (audioBitRate > maxaudiomp3)
                        {
                            errors++;
                            strWarnings << FormattedString(Str("Settings.Publish.Warning.MaxAudiobitrate"), maxaudiomp3);
                        }
                    }

                    if (r->HasItem(TEXT("keyint")))
                    {
                        int keyint = r->GetInt(TEXT("keyint"));
                        if (!keyframeInt || keyframeInt * 1000 > keyint)
                        {
                            errors++;
                            strWarnings << FormattedString(Str("Settings.Publish.Warning.Keyint"), keyint / 1000);
                        }
                    }

                    break;
                }
            }
        }
    }

//.........这里部分代码省略.........

void SettingsPublish::SetWarningInfo()
{
    int serviceID = (int)SendMessage(GetDlgItem(hwnd, IDC_SERVICE), CB_GETITEMDATA, SendMessage(GetDlgItem(hwnd, IDC_SERVICE), CB_GETCURSEL, 0, 0), 0);

    bool bUseCBR = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("UseCBR"), 1) != 0;
    int maxBitRate = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("MaxBitrate"), 1000);
    int keyframeInt = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("KeyframeInterval"), 0);
    int audioBitRate = AppConfig->GetInt(TEXT("Audio Encoding"), TEXT("Bitrate"), 96);
    String currentx264Profile = AppConfig->GetString(TEXT("Video Encoding"), TEXT("X264Profile"), L"high");
    String currentAudioCodec = AppConfig->GetString(TEXT("Audio Encoding"), TEXT("Codec"), TEXT("AAC"));

    //ignore for non-livestreams
    if (data->mode != 0)
    {
        SetDlgItemText(hwnd, IDC_WARNINGS, TEXT(""));
        return;
    }

    int errors = 0;
    String strWarnings;

    XConfig serverData;
    if(serverData.Open(TEXT("services.xconfig")))
    {
        XElement *services = serverData.GetElement(TEXT("services"));
        if(services)
        {
            UINT numServices = services->NumElements();

            for(UINT i=0; i<numServices; i++)
            {
                XElement *service = services->GetElementByID(i);
                if (service->GetInt(TEXT("id")) == serviceID)
                {
                    strWarnings = FormattedString(Str("Settings.Publish.Warning.BadSettings"), service->GetName());

                    //check to see if the service we're using has recommendations
                    if (!service->HasItem(TEXT("recommended")))
                    {
                        SetDlgItemText(hwnd, IDC_WARNINGS, TEXT(""));
                        return;
                    }

                    XElement *r = service->GetElement(TEXT("recommended"));

                    if (r->HasItem(TEXT("ratecontrol")))
                    {
                        CTSTR rc = r->GetString(TEXT("ratecontrol"));
                        if (!scmp (rc, TEXT("cbr")) && !bUseCBR)
                        {
                            errors++;
                            strWarnings << Str("Settings.Publish.Warning.UseCBR");
                        }
                    }

                    if (r->HasItem(TEXT("max bitrate")))
                    {
                        int max_bitrate = r->GetInt(TEXT("max bitrate"));
                        if (maxBitRate > max_bitrate)
                        {
                            errors++;
                            strWarnings << FormattedString(Str("Settings.Publish.Warning.Maxbitrate"), max_bitrate);
                        }
                    }

                    if (r->HasItem(TEXT("profile")))
                    {
                        String expectedProfile = r->GetString(TEXT("profile"));

                        if (!expectedProfile.CompareI(currentx264Profile))
                        {
                            errors++;
                            strWarnings << Str("Settings.Publish.Warning.RecommendMainProfile");
                        }
                    }

                    if (r->HasItem(TEXT("max audio bitrate aac")) && (!scmp(currentAudioCodec, TEXT("AAC"))))
                    {
                        int maxaudioaac = r->GetInt(TEXT("max audio bitrate aac"));
                        if (audioBitRate > maxaudioaac)
                        {
                            errors++;
                            strWarnings << FormattedString(Str("Settings.Publish.Warning.MaxAudiobitrate"), maxaudioaac);
                        }
                    }
                    
                    if (r->HasItem(TEXT("max audio bitrate mp3")) && (!scmp(currentAudioCodec, TEXT("MP3"))))
                    {
                        int maxaudiomp3 = r->GetInt(TEXT("max audio bitrate mp3"));
                        if (audioBitRate > maxaudiomp3)
                        {
                            errors++;
                            strWarnings << FormattedString(Str("Settings.Publish.Warning.MaxAudiobitrate"), maxaudiomp3);
                        }
                    }

                    if (r->HasItem(TEXT("keyint")))
                    {
                        int keyint = r->GetInt(TEXT("keyint"));
                        if (!keyframeInt || keyframeInt * 1000 > keyint)
//.........这里部分代码省略.........

BOOL ParseUpdateManifest (TCHAR *path, BOOL *updatesAvailable, String &description)
{
    XConfig manifest;
    XElement *root;

    if (!manifest.Open(path))
        return FALSE;

    root = manifest.GetRootElement();

    DWORD numPackages = root->NumElements();
    DWORD totalUpdatableFiles = 0;

    int priority, bestPriority = 999;

    for (DWORD i = 0; i < numPackages; i++)
    {
        XElement *package;
        package = root->GetElementByID(i);
        CTSTR packageName = package->GetName();

        //find out if this package is relevant to us
        String platform = package->GetString(TEXT("platform"));
        if (!platform)
            continue;

        if (scmp(platform, TEXT("all")))
        {
#ifndef _WIN64
            if (scmp(platform, TEXT("Win32")))
                continue;
#else
            if (scmp(platform, TEXT("Win64")))
                continue;
#endif
        }

        //what is it?
        String name = package->GetString(TEXT("name"));
        String version = package->GetString(TEXT("version"));

        //figure out where the files belong
        XDataItem *pathElement = package->GetDataItem(TEXT("path"));
        if (!pathElement)
            continue;

        CTSTR path = pathElement->GetData();

        if (path == NULL)
            path = TEXT("");

        if (!IsSafePath(path))
            continue;

        priority = package->GetInt(TEXT("priority"), 999);

        //get the file list for this package
        XElement *files = package->GetElement(TEXT("files"));
        if (!files)
            continue;

        DWORD numFiles = files->NumElements();
        DWORD numUpdatableFiles = 0;
        for (DWORD j = 0; j < numFiles; j++)
        {
            XElement *file = files->GetElementByID(j);

            String hash = file->GetString(TEXT("hash"));
            if (!hash || hash.Length() != 40)
                continue;

            String fileName = file->GetName();
            if (!fileName)
                continue;

            if (!IsSafeFilename(fileName))
                continue;

            String filePath;

            filePath << path;
            filePath << fileName;

            BYTE fileHash[20];
            TCHAR fileHashString[41];

            if (OSFileExists(filePath))
            {
                if (!CalculateFileHash(filePath, fileHash))
                    continue;
                
                HashToString(fileHash, fileHashString);
                if (!scmp(fileHashString, hash))
                    continue;
            }

            numUpdatableFiles++;
        }

        if (numUpdatableFiles)
//.........这里部分代码省略.........