Merge pull request #5376 from tsiegleauq/integrate-streams

Integrate streams

.travis.yml

@@ -25,7 +25,7 @@ matrix:
 
     - name: "Installing npm dependencies"
       language: node_js
-      node_js: "10.13"
+      node_js: "12.18"
       cache:
         - directories:
             - "client/node_modules"
@@ -39,7 +39,7 @@ matrix:
     - stage: "Run tests"
       name: "Client: Testing"
       language: node_js
-      node_js: "10.13"
+      node_js: "12.18"
       apt:
         sources:
           - google-chrome
@@ -56,7 +56,7 @@ matrix:
 
     - name: "Client: Production Build (ES5)"
       language: node_js
-      node_js: "10.13"
+      node_js: "12.18"
       install:
         - cd client
         - sed -i '/\"target\"/c\\"target\":\"es5\",' tsconfig.json
@@ -65,7 +65,7 @@ matrix:
 
     - name: "Client: Production Build (ES2015)"
       language: node_js
-      node_js: "10.13"
+      node_js: "12.18"
       install:
         - cd client
         - echo "Firefox ESR" > browserslist
@@ -74,7 +74,7 @@ matrix:
 
     - name: "Client: Build"
       language: node_js
-      node_js: "10.13"
+      node_js: "12.18"
       script:
         - cd client
         - npm run build-debug
@@ -111,14 +111,14 @@ matrix:
 
     - name: "Client: Linting"
       language: node_js
-      node_js: "10.13"
+      node_js: "12.18"
       script:
         - cd client
         - npm run lint-check
 
     - name: "Client: Code Formatting Check"
       language: node_js
-      node_js: "10.13"
+      node_js: "12.18"
       script:
         - cd client
         - npm list --depth=0 || cat --help

client/angular.json

@@ -43,7 +43,11 @@
                             }
                         ],
                         "styles": ["src/styles.scss"],
-                        "scripts": ["node_modules/tinymce/tinymce.min.js", "src/assets/jitsi/external_api.js"],
+                        "scripts": [
+                            "node_modules/tinymce/tinymce.min.js",
+                            "node_modules/video.js/dist/video.min.js",
+                            "src/assets/jitsi/external_api.js"
+                        ],
                         "webWorkerTsConfig": "tsconfig.worker.json"
                     },
                     "configurations": {

client/package.json

@@ -51,6 +51,7 @@
         "@pebula/ngrid-material": "2.0.0-rc.1",
         "@pebula/utils": "1.0.2",
         "@tinymce/tinymce-angular": "^3.3.1",
+        "@videojs/http-streaming": "^1.13.3",
         "acorn": "^7.1.0",
         "chart.js": "^2.9.2",
         "core-js": "^3.6.4",
@@ -61,8 +62,8 @@
         "material-icon-font": "git+https://github.com/petergng/materialIconFont.git",
         "moment": "^2.24.0",
         "ng2-charts": "^2.3.0",
-        "ngx-file-drop": "^8.0.8",
         "ng2-pdf-viewer": "^6.1.2",
+        "ngx-file-drop": "^8.0.8",
         "ngx-mat-select-search": "^2.1.2",
         "ngx-material-timepicker": "^5.5.1",
         "ngx-papaparse": "^4.0.2",
@@ -71,6 +72,7 @@
         "rxjs": "^6.5.4",
         "tinymce": "5.2.2",
         "tslib": "^1.10.0",
+        "video.js": "^7.7.6",
         "zone.js": "~0.10.2"
     },
     "devDependencies": {

client/src/app/core/core-services/operator.service.ts

@@ -2,9 +2,10 @@ import { Injectable } from '@angular/core';
 
 import { environment } from 'environments/environment';
 import { BehaviorSubject, Observable, Subscription } from 'rxjs';
-import { auditTime, filter } from 'rxjs/operators';
+import { auditTime, filter, map } from 'rxjs/operators';
 
 import { Group } from 'app/shared/models/users/group';
+import { CurrentListOfSpeakersService } from 'app/site/projector/services/current-list-of-speakers.service';
 import { ViewUser } from 'app/site/users/models/view-user';
 import { CollectionStringMapperService } from './collection-string-mapper.service';
 import { DataStoreService } from './data-store.service';
@@ -39,6 +40,7 @@ export enum Permission {
     coreCanSeeFrontpage = 'core.can_see_frontpage',
     coreCanSeeProjector = 'core.can_see_projector',
     coreCanManageTags = 'core.can_manage_tags',
+    coreCanSeeLiveStream = 'core.can_see_livestream',
     mediafilesCanManage = 'mediafiles.can_manage',
     mediafilesCanSee = 'mediafiles.can_see',
     motionsCanCreate = 'motions.can_create',
@@ -208,7 +210,8 @@ export class OperatorService implements OnAfterAppsLoaded {
         private offlineService: OfflineService,
         private collectionStringMapper: CollectionStringMapperService,
         private storageService: StorageService,
-        private OSStatus: OpenSlidesStatusService
+        private OSStatus: OpenSlidesStatusService,
+        private closService: CurrentListOfSpeakersService
     ) {
         this.DS.getChangeObservable(User).subscribe(newModel => {
             if (this._user && this._user.id === newModel.id) {
@@ -459,6 +462,16 @@ export class OperatorService implements OnAfterAppsLoaded {
         await this.http.post(environment.urlPrefix + '/users/setpresence/', isPresent);
     }
 
+    public isOnCurrentListOfSpeakersObservable(): Observable<boolean> {
+        return this.closService.currentListOfSpeakersObservable.pipe(
+            map(los => {
+                if (los) {
+                    return los.isUserOnList(this.user.id);
+                }
+            })
+        );
+    }
+
     /**
      * Returns a default WhoAmI response
      */

client/src/app/core/repositories/projector/projector-repository.service.ts

@@ -1,6 +1,8 @@
 import { Injectable } from '@angular/core';
 
 import { TranslateService } from '@ngx-translate/core';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
 
 import { HttpService } from 'app/core/core-services/http.service';
 import { RelationManagerService } from 'app/core/core-services/relation-manager.service';
@@ -138,8 +140,21 @@ export class ProjectorRepositoryService extends BaseRepository<ViewProjector, Pr
 
     /**
      * return the id of the current reference projector
+     * prefer the observable whenever possible
      */
     public getReferenceProjectorId(): number {
+        // TODO: After logging in, this is null this.getViewModelList() is null
         return this.getViewModelList().find(projector => projector.isReferenceProjector).id;
     }
+
+    public getReferenceProjectorIdObservable(): Observable<number> {
+        return this.getViewModelListObservable().pipe(
+            map(projectors => {
+                const refProjector = projectors.find(projector => projector.isReferenceProjector);
+                if (refProjector) {
+                    return refProjector.id;
+                }
+            })
+        );
+    }
 }

client/src/app/shared/components/jitsi/jitsi.component.html

@@ -1,4 +1,3 @@
-<div class="jitsi-integration">
 <!-- iFrame Dialog -->
 <ng-template #conferenceDialog>
     <div class="jitsi-iframe-wrapper" #jitsi></div>
@@ -13,18 +12,24 @@
             <mat-icon>open_in_new</mat-icon>
         </button>
 
-            <button class="minimize-jitsi-dialog-button" type="button" mat-button color="primary" (click)="toggleConferenceDialog()">
+        <button
+            class="minimize-jitsi-dialog-button"
+            type="button"
+            mat-button
+            color="primary"
+            (click)="hideJitsiDialog()"
+        >
             <span>{{ 'Minimize' | translate }}</span>
             <mat-icon>fullscreen_exit</mat-icon>
         </button>
     </div>
 </ng-template>
 
+<div class="jitsi-integration" *ngIf="canSeeLiveStream && (enableJitsi || videoStreamUrl)">
     <!-- Audio-Conference-bar -->
     <div
         class="jitsi-bar"
         [ngClass]="{
-            'cdk-visually-hidden': !enableJitsi,
             'cast-shadow': !showJitsiWindow
         }"
     >
@@ -34,6 +39,21 @@
                 'cast-shadow': showJitsiWindow
             }"
         >
+            <ng-container *ngIf="currentState == state.jitsi">
+                <!-- Exit jitsi -->
+                <button
+                    mat-mini-fab
+                    class="indicator quick-icon"
+                    color="accent"
+                    (click)="viewStream()"
+                    matTooltip="{{ 'Exit live conference and view the live stream' | translate }}"
+                    *ngIf="videoStreamUrl"
+                >
+                    <mat-icon color="warn">
+                        meeting_room
+                    </mat-icon>
+                </button>
+
                 <!-- mute/unmute button -->
                 <button
                     class="indicator quick-icon"
@@ -46,27 +66,37 @@
                 </button>
 
                 <!-- disconnected icon -->
-            <mat-icon class="indicator" *ngIf="!isJoined">cloud_off</mat-icon>
+                <mat-icon class="indicator" *ngIf="!isJoined && !videoStreamUrl">cloud_off</mat-icon>
+            </ng-container>
 
-            <!-- hide unhide video -->
+            <ng-container *ngIf="currentState == state.stream">
-            <!-- <button class="quick-icon" mat-mini-fab [disabled]="!isJoined">
+                <!-- Enter conference from stream -->
-            <mat-icon *ngIf="isJoined" color="primary">videocam_off</mat-icon>
+                <button
-            </button> -->
+                    *ngIf="enableJitsi && isAccessPermitted"
+                    class="indicator quick-icon"
+                    mat-mini-fab
+                    (click)="enterConversation()"
+                    matTooltip="{{ 'Enter live conference' | translate }}"
+                >
+                    <mat-icon color="primary">meeting_room</mat-icon>
+                </button>
+
+                <mat-icon *ngIf="enableJitsi && !isAccessPermitted" class="indicator">no_meeting_room</mat-icon>
+            </ng-container>
         </span>
 
         <span
             class="list-wrapper apply-theme"
             [ngClass]="{
+                'stream-width-wrapper': currentState == state.stream,
+                'audio-list-wrapper': currentState == state.jitsi,
                 'cast-shadow': showJitsiWindow
             }"
         >
-            <!-- <span class="list-wrapper apply-theme regular-shadow"> -->
             <!-- open-window button -->
             <button class="toggle-list-button" mat-button (click)="toggleShowJitsi()">
-                <span> {{ 'Audio conference' | translate }}</span>
+                <ng-container *ngIf="currentState == state.jitsi">
-                <mat-icon class="opened-indicator" *ngIf="!showJitsiWindow">keyboard_arrow_up</mat-icon>
+                    <span> {{ 'Live conference' | translate }}</span>
-                <mat-icon class="opened-indicator" *ngIf="showJitsiWindow">keyboard_arrow_down </mat-icon>
-
                     <div class="one-line">
                         &nbsp;
                         <span *ngIf="currentDominantSpeaker">
@@ -75,7 +105,19 @@
                         <span *ngIf="!isJitsiActive">
                             <i>{{ 'disconnected' | translate }}</i>
                         </span>
+                        <span *ngIf="isJitsiActive && !isJoined">
+                            <i>{{ 'connecting...' | translate }}</i>
+                        </span>
                     </div>
+                </ng-container>
+
+                <ng-container *ngIf="currentState == state.stream">
+                    <!-- os-icon-container does weid things here -->
+                    <span> {{ 'Live stream' | translate }}</span>
+                </ng-container>
+
+                <mat-icon class="opened-indicator" *ngIf="!showJitsiWindow">keyboard_arrow_up</mat-icon>
+                <mat-icon class="opened-indicator" *ngIf="showJitsiWindow">keyboard_arrow_down </mat-icon>
             </button>
 
             <!-- unfolded list -->
@@ -85,6 +127,7 @@
                     'cdk-visually-hidden': !showJitsiWindow
                 }"
             >
+                <ng-container *ngIf="currentState == state.jitsi">
                     <!-- Jitsi content window -->
                     <div class="content">
                         <!-- The "somewhere else active" warning -->
@@ -101,8 +144,12 @@
                             <span>{{ 'disconnected' | translate }}</span>
                         </div>
 
+                        <div class="disconnected" *ngIf="isJitsiActive && !isJoined">
+                            <span>{{ 'connecting...' | translate }}</span>
+                        </div>
+
                         <!-- user list -->
-                    <div class="room-members" *ngIf="isJitsiActive">
+                        <div class="room-members" *ngIf="isJitsiActive && isJoined">
                             <div class="member-list">
                                 <ol>
                                     <li
@@ -119,7 +166,23 @@
                             </div>
                         </div>
                     </div>
+                </ng-container>
 
+                <ng-container *ngIf="currentState == state.stream">
+                    <os-vjs-player
+                        [videoUrl]="videoStreamUrl"
+                        (started)="onSteamStarted()"
+                        *ngIf="!streamActiveInAnotherTab || streamRunning"
+                    ></os-vjs-player>
+                    <div class="disconnected" *ngIf="streamActiveInAnotherTab && !streamRunning">
+                        <span>{{ 'The video stream is already running in your OpenSlides session.' | translate }}</span>
+                        <button mat-button color="warn" (click)="deleteStreamingLock()">
+                            <span>{{ 'Force the stream to reload' | translate }}</span>
+                        </button>
+                    </div>
+                </ng-container>
+
+                <ng-container *ngIf="currentState == state.jitsi">
                     <!-- Custom control buttons -->
                     <div>
                         <mat-divider></mat-divider>
@@ -141,7 +204,9 @@
                                     mat-mini-fab
                                     color="accent"
                                     (click)="enterConversation()"
-                                [disabled]="isJitsiActive || isJitsiActiveInAnotherTab"
+                                    [disabled]="
+                                        !enableJitsi || isJitsiActive || isJitsiActiveInAnotherTab || !isAccessPermitted
+                                    "
                                     *ngIf="!isJoined"
                                     matTooltip="{{ 'Enter conference' | translate }}"
                                 >
@@ -156,14 +221,15 @@
                                 color="accent"
                                 (click)="toggleConferenceDialog()"
                                 [disabled]="!isJitsiActive"
-                            matTooltip="{{ 'Maximize Jitsi window' | translate }}"
+                                matTooltip="{{ 'Maximize / minimize Jitsi window' | translate }}"
                             >
                                 <mat-icon>
-                                fullscreen
+                                    {{ isJitsiDialogOpen ? 'fullscreen_exit' : 'fullscreen' }}
                                 </mat-icon>
                             </button>
                         </div>
                     </div>
+                </ng-container>
             </div>
         </span>
     </div>

client/src/app/shared/components/jitsi/jitsi.component.scss

@@ -19,11 +19,8 @@
     }
 
     .jitsi-bar {
-        z-index: 99;
         display: flex;
-        position: fixed;
+        margin-right: 20px;
-        right: 20px;
-        bottom: 0;
         $wrapper-padding: 5px;
         $bar-height: 40px;
 
@@ -43,17 +40,26 @@
             }
         }
 
+        .stream-width-wrapper {
+            width: 500px;
+            max-width: 500px;
+        }
+
+        .audio-list-wrapper {
+            width: 300px;
+            max-width: 300px;
+        }
+
         .list-wrapper {
             min-height: $bar-height;
             padding-top: $wrapper-padding;
             border-top-right-radius: 4px;
-            width: 250px;
-            max-width: 250px;
 
             .toggle-list-button {
                 position: relative;
                 line-height: normal;
                 width: 100%;
+                height: 40px;
                 padding: 0 2.5em;
                 margin-bottom: $wrapper-padding;
                 font-weight: normal;
@@ -62,7 +68,7 @@
                 .opened-indicator {
                     position: absolute;
                     right: $wrapper-padding;
-                    top: $wrapper-padding;
+                    top: 8px;
                 }
 
                 .dominant-speaker {
@@ -113,9 +119,13 @@
                 .control-grid {
                     padding: $wrapper-padding 0;
                     display: grid;
-                    grid-template-areas: 'helper buttons new-tab';
+                    grid-template-areas: 'exit buttons new-tab';
                     grid-template-columns: 40px auto 40px;
 
+                    .exit-conference {
+                        grid-area: exit;
+                    }
+
                     .control-buttons {
                         grid-area: buttons;
                         margin: auto;

client/src/app/shared/components/jitsi/jitsi.component.ts

@@ -55,6 +55,11 @@ interface ConferenceMember {
     focus: boolean;
 }
 
+enum ConferenceState {
+    stream,
+    jitsi
+}
+
 @Component({
     selector: 'os-jitsi',
     templateUrl: './jitsi.component.html',
@@ -63,14 +68,19 @@ interface ConferenceMember {
 })
 export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
     public enableJitsi: boolean;
+
     private autoconnect: boolean;
     private roomName: string;
     private roomPassword: string;
     private jitsiDomain: string;
 
+    public restricted = false;
+    public videoStreamUrl: string;
+
     // do not set the password twice
     private isPasswortSet = false;
 
+    public isJitsiDialogOpen = false;
     public showJitsiWindow = false;
     public muted = true;
 
@@ -90,15 +100,21 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
     }
 
     public isJoined: boolean;
+    public streamRunning: boolean;
 
     private options: object;
 
     private lockLoaded: Deferred<void> = new Deferred();
     private constantsLoaded: Deferred<void> = new Deferred();
+    private configsLoaded: Deferred<void> = new Deferred();
 
     // storage locks
     public isJitsiActiveInAnotherTab: boolean;
+    public streamActiveInAnotherTab: boolean;
+
     private RTC_LOGGED_STORAGE_KEY = 'rtcIsLoggedIn';
+    private STREAM_RUNNING_STORAGE_KEY = 'streamIsRunning';
+    private CONFERENCE_STATE_STORAGE_KEY = 'conferenceState';
 
     // JitsiID to ConferenceMember
     public members = {};
@@ -112,6 +128,27 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
         return this.roomPassword?.length > 0;
     }
 
+    public get canSeeLiveStream(): boolean {
+        return this.operator.hasPerms(this.permission.coreCanSeeLiveStream);
+    }
+
+    private isOnCurrentLos: boolean;
+
+    public get isAccessPermitted(): boolean {
+        return (
+            !this.restricted ||
+            this.operator.hasPerms(this.permission.agendaCanManageListOfSpeakers) ||
+            this.isOnCurrentLos
+        );
+    }
+
+    /**
+     * The conference state, to determine if the user consumes the stream or can
+     * contribute to jitsi
+     */
+    public state = ConferenceState;
+    public currentState: ConferenceState;
+
     private configOverwrite = {
         startAudioOnly: false,
         // allows jitsi on mobile devices
@@ -158,15 +195,22 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
         this.setUp();
     }
 
-    public ngOnDestroy(): void {
+    public async ngOnDestroy(): Promise<void> {
-        this.stopJitsi();
+        this.stopConference();
     }
 
     // closing the tab should also try to stop jitsi.
     // this will usually not be cought by ngOnDestroy
     @HostListener('window:beforeunload', ['$event'])
     public async beforeunload($event: any): Promise<void> {
+        await this.stopConference();
+    }
+
+    private async stopConference(): Promise<void> {
         await this.stopJitsi();
+        if (this.streamActiveInAnotherTab && this.streamRunning) {
+            await this.deleteStreamingLock();
+        }
     }
 
     private async setUp(): Promise<void> {
@@ -181,6 +225,13 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
                 }
             });
 
+        this.storageMap
+            .watch(this.STREAM_RUNNING_STORAGE_KEY)
+            .pipe(distinctUntilChanged())
+            .subscribe((running: boolean) => {
+                this.streamActiveInAnotherTab = running;
+            });
+
         await this.lockLoaded;
         this.constantsService.get<JitsiSettings>('Settings').subscribe(settings => {
             if (settings) {
@@ -193,10 +244,10 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
 
         await this.constantsLoaded;
         this.configService
-            .get<boolean>('general_system_conference_show')
+            .get<boolean>('general_system_conference_auto_connect')
             .subscribe(autoconnect => (this.autoconnect = autoconnect));
 
-        this.configService.get<boolean>('general_system_conference_auto_connect').subscribe(show => {
+        this.configService.get<boolean>('general_system_conference_show').subscribe(show => {
             this.enableJitsi = show && !!this.jitsiDomain && !!this.roomName;
             if (this.enableJitsi && this.autoconnect) {
                 this.startJitsi();
@@ -204,6 +255,51 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
                 this.stopJitsi();
             }
         });
+
+        this.configService.get<boolean>('general_system_conference_los_restriction').subscribe(restricted => {
+            this.restricted = restricted;
+        });
+
+        this.configService.get<string>('general_system_stream_url').subscribe(url => {
+            this.videoStreamUrl = url;
+            this.configsLoaded.resolve();
+        });
+
+        await this.configsLoaded;
+        // after configs are loaded
+        this.storageMap
+            .watch(this.CONFERENCE_STATE_STORAGE_KEY)
+            .pipe(distinctUntilChanged())
+            .subscribe((confState: ConferenceState) => {
+                if (confState in ConferenceState) {
+                    if (this.enableJitsi && !this.videoStreamUrl) {
+                        this.currentState = ConferenceState.jitsi;
+                    } else if (!this.enableJitsi && this.videoStreamUrl) {
+                        this.currentState = ConferenceState.stream;
+                    } else {
+                        this.currentState = confState;
+                    }
+                } else {
+                    this.setDefaultConfState();
+                }
+                // show stream window when the state changes to stream
+                if (this.currentState === ConferenceState.stream && !this.streamActiveInAnotherTab) {
+                    this.showJitsiWindow = true;
+                }
+            });
+
+        // check if the user is on the clos, remove from room if not permitted
+        this.operator
+            .isOnCurrentListOfSpeakersObservable()
+            .pipe(distinctUntilChanged())
+            .subscribe(isOnList => {
+                this.isOnCurrentLos = isOnList;
+                console.log('this.isOnCurrentLos: ', this.isOnCurrentLos);
+
+                if (!this.isAccessPermitted) {
+                    this.viewStream();
+                }
+            });
     }
 
     public toggleMute(): void {
@@ -227,6 +323,7 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
     public async enterConversation(): Promise<void> {
         await this.operator.loaded;
         this.storageMap.set(this.RTC_LOGGED_STORAGE_KEY, true).subscribe(() => {});
+        this.setConferenceState(ConferenceState.jitsi);
         this.setOptions();
         this.api = new JitsiMeetExternalAPI(this.jitsiDomain, this.options);
 
@@ -273,6 +370,9 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
         this.isJoined = true;
         this.addMember({ displayName: info.displayName, id: info.id });
         this.setRoomPassword();
+        if (this.videoStreamUrl) {
+            this.showJitsiDialog();
+        }
     }
 
     private setRoomPassword(): void {
@@ -355,21 +455,26 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
     }
 
     public toggleConferenceDialog(): void {
-        // there is no good way to detect the current classes in MatDialogRef or conferenceDialog.
+        if (this.isJitsiDialogOpen) {
-        // searching the global cdk-overlay-pane is the only thing which works
+            this.hideJitsiDialog();
-        const pane = document.querySelector('.cdk-overlay-pane') as HTMLElement;
-        if (pane.classList.contains('jitsi-dialog-hide')) {
-            this.confDialogRef.removePanelClass('jitsi-dialog-hide');
         } else {
-            this.confDialogRef.addPanelClass('jitsi-dialog-hide');
+            this.showJitsiDialog();
         }
     }
 
-    private hideJitsiDialog(): void {
+    public hideJitsiDialog(): void {
-        const pane = document.querySelector('.cdk-overlay-pane') as HTMLElement;
-        if (!pane.classList.contains('jitsi-dialog-hide')) {
         this.confDialogRef.addPanelClass('jitsi-dialog-hide');
+        this.isJitsiDialogOpen = false;
     }
+
+    public showJitsiDialog(): void {
+        this.confDialogRef.removePanelClass('jitsi-dialog-hide');
+        this.isJitsiDialogOpen = true;
+    }
+
+    public async viewStream(): Promise<void> {
+        this.stopJitsi();
+        this.setConferenceState(ConferenceState.stream);
     }
 
     public openExternal(): void {
@@ -377,7 +482,28 @@ export class JitsiComponent extends BaseComponent implements OnInit, OnDestroy {
         window.open(this.getJitsiMeetUrl(), '_blank');
     }
 
+    public onSteamStarted(): void {
+        this.streamRunning = true;
+        this.storageMap.set(this.STREAM_RUNNING_STORAGE_KEY, true).subscribe(() => {});
+    }
+
     private async deleteJitsiLock(): Promise<void> {
         await this.storageMap.delete(this.RTC_LOGGED_STORAGE_KEY).toPromise();
     }
+
+    public async deleteStreamingLock(): Promise<void> {
+        await this.storageMap.delete(this.STREAM_RUNNING_STORAGE_KEY).toPromise();
+    }
+
+    private setDefaultConfState(): void {
+        this.videoStreamUrl
+            ? this.setConferenceState(ConferenceState.stream)
+            : this.setConferenceState(ConferenceState.jitsi);
+    }
+
+    private setConferenceState(newState: ConferenceState): void {
+        if (this.currentState !== newState) {
+            this.storageMap.set(this.CONFERENCE_STATE_STORAGE_KEY, newState).subscribe(() => {});
+        }
+    }
 }

client/src/app/shared/components/live-stream/live-stream.component.html

@@ -0,0 +1,29 @@
+<div class="stream-integration">
+    <div
+        class="stream-wrapper"
+        [ngClass]="{
+            'cdk-visually-hidden': !showStream
+        }"
+    >
+        <div *ngIf="!isUserInConference">
+            <os-vjs-player></os-vjs-player>
+        </div>
+
+        <div class="user-in-conf-warning" *ngIf="isUserInConference">
+            <span>
+                {{ 'The stream is disableb because you are inside a conference' | translate }}
+            </span>
+            <button mat-raised-button color="warn" (click)="forceReloadStream()">
+                {{ 'Force the stream to reload' | translate }}
+            </button>
+        </div>
+    </div>
+
+    <div class="stream-bar">
+        <button class="toggle-list-button" color="primary" mat-flat-button (click)="toggleShowStream()">
+            <span> {{ 'Live stream' | translate }}</span>
+            <mat-icon class="opened-indicator" *ngIf="!showStream">keyboard_arrow_up</mat-icon>
+            <mat-icon class="opened-indicator" *ngIf="showStream">keyboard_arrow_down </mat-icon>
+        </button>
+    </div>
+</div>

client/src/app/shared/components/live-stream/live-stream.component.scss

@@ -0,0 +1,40 @@
+.stream-integration {
+    .stream-wrapper {
+        // position: absolute;
+        margin-right: 20px;
+        margin-bottom: 5px;
+        float: right;
+    }
+
+    .user-in-conf-warning {
+        width: 300px;
+        height: 200px;
+        padding: 20px;
+        background-color: white;
+
+        button {
+            display: block;
+        }
+    }
+
+    .stream-bar {
+        margin-right: 20px;
+        // display: flex;
+
+        margin-right: 20px;
+        $wrapper-padding: 5px;
+        $bar-height: 40px;
+
+        .toggle-list-button {
+            height: 50px;
+            display: block;
+            margin-left: auto;
+            padding-right: 0.5em;
+            font-weight: normal;
+            text-align: right;
+            line-height: normal;
+            border-bottom-right-radius: 0;
+            border-bottom-left-radius: 0;
+        }
+    }
+}

client/src/app/shared/components/live-stream/live-stream.component.spec.ts

@@ -0,0 +1,27 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { E2EImportsModule } from 'e2e-imports.module';
+
+import { LiveStreamComponent } from './live-stream.component';
+
+describe('LiveStreamComponent', () => {
+    let component: LiveStreamComponent;
+    let fixture: ComponentFixture<LiveStreamComponent>;
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            imports: [E2EImportsModule],
+            declarations: [LiveStreamComponent]
+        }).compileComponents();
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(LiveStreamComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});

client/src/app/shared/components/live-stream/live-stream.component.ts

@@ -0,0 +1,43 @@
+import { Component, OnInit } from '@angular/core';
+
+import { StorageMap } from '@ngx-pwa/local-storage';
+import { distinctUntilChanged } from 'rxjs/operators';
+
+@Component({
+    selector: 'os-live-stream',
+    templateUrl: './live-stream.component.html',
+    styleUrls: ['./live-stream.component.scss']
+})
+export class LiveStreamComponent implements OnInit {
+    public showStream = false;
+
+    private RTC_LOGGED_STORAGE_KEY = 'rtcIsLoggedIn';
+
+    public isUserInConference: boolean;
+
+    public constructor(private storageMap: StorageMap) {}
+
+    public ngOnInit(): void {
+        this.storageMap
+            .watch(this.RTC_LOGGED_STORAGE_KEY)
+            .pipe(distinctUntilChanged())
+            .subscribe((inUse: boolean) => {
+                this.isUserInConference = inUse;
+            });
+    }
+
+    public toggleShowStream(): void {
+        this.showStream = !this.showStream;
+    }
+
+    public async forceReloadStream(): Promise<void> {
+        await this.deleteJitsiLock();
+    }
+
+    /**
+     * todo: DUP
+     */
+    private async deleteJitsiLock(): Promise<void> {
+        await this.storageMap.delete(this.RTC_LOGGED_STORAGE_KEY).toPromise();
+    }
+}

client/src/app/shared/components/vjs-player/vjs-player.component.html

@@ -0,0 +1,3 @@
+<div class="video-wrapper">
+    <video #videoPlayer class="video-js" controls preload="none"></video>
+</div>

client/src/app/shared/components/vjs-player/vjs-player.component.scss

@@ -0,0 +1,25 @@
+.video-wrapper {
+    display: flex;
+    width: 100%;
+    .video-js {
+        margin: auto;
+
+        .vjs-control-bar {
+            .vjs-subs-caps-button {
+                display: none !important;
+            }
+
+            .vjs-descriptions-button {
+                display: none !important;
+            }
+
+            .vjs-picture-in-picture-control {
+                display: none !important;
+            }
+
+            .vjs-audio-button {
+                display: none !important;
+            }
+        }
+    }
+}

client/src/app/shared/components/vjs-player/vjs-player.component.spec.ts

@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { VjsPlayerComponent } from './vjs-player.component';
+
+describe('VjsPlayerComponent', () => {
+    let component: VjsPlayerComponent;
+    let fixture: ComponentFixture<VjsPlayerComponent>;
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            declarations: [VjsPlayerComponent]
+        }).compileComponents();
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(VjsPlayerComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});

client/src/app/shared/components/vjs-player/vjs-player.component.ts

@@ -0,0 +1,99 @@
+import {
+    Component,
+    ElementRef,
+    EventEmitter,
+    Input,
+    OnDestroy,
+    OnInit,
+    Output,
+    ViewChild,
+    ViewEncapsulation
+} from '@angular/core';
+
+import videojs from 'video.js';
+
+interface VideoSource {
+    src: string;
+    type: MimeType;
+}
+
+enum MimeType {
+    mp4 = 'video/mp4',
+    mpd = 'application/dash+xml',
+    m3u8 = 'application/x-mpegURL'
+}
+
+@Component({
+    selector: 'os-vjs-player',
+    templateUrl: './vjs-player.component.html',
+    styleUrls: ['./vjs-player.component.scss'],
+    encapsulation: ViewEncapsulation.None
+})
+export class VjsPlayerComponent implements OnInit, OnDestroy {
+    @ViewChild('videoPlayer', { static: true }) private videoPlayer: ElementRef;
+
+    private _videoUrl: string;
+
+    @Input()
+    public set videoUrl(value: string) {
+        this._videoUrl = value;
+        this.playVideo();
+    }
+
+    @Output()
+    private started: EventEmitter<void> = new EventEmitter();
+
+    public get videoUrl(): string {
+        return this._videoUrl;
+    }
+
+    public player: videojs.Player;
+
+    private get videoSource(): VideoSource {
+        return {
+            src: this.videoUrl,
+            type: this.determineContentTypeByUrl(this.videoUrl)
+        };
+    }
+
+    public constructor() {}
+
+    public async ngOnInit(): Promise<void> {
+        this.player = videojs(this.videoPlayer.nativeElement, {
+            textTrackSettings: false,
+            fluid: true,
+            autoplay: 'any',
+            liveui: true
+        });
+        this.playVideo();
+    }
+
+    public ngOnDestroy(): void {
+        if (this.player) {
+            this.player.dispose();
+        }
+    }
+
+    private playVideo(): void {
+        if (this.player) {
+            this.player.src(this.videoSource);
+            this.started.next();
+        }
+    }
+
+    private determineContentTypeByUrl(url: string): MimeType {
+        if (url) {
+            if (url.startsWith('rtmp')) {
+                throw new Error(`$rtmp (flash) streams cannot be supported`);
+            } else {
+                const extension = url?.split('.')?.pop();
+                const mimeType = MimeType[extension];
+                if (mimeType) {
+                    return mimeType;
+                } else {
+                    throw new Error(`${url} has an unknown mime type`);
+                }
+            }
+        }
+    }
+}

client/src/app/shared/shared.module.ts

@@ -127,6 +127,8 @@ import { AssignmentPollDetailContentComponent } from './components/assignment-po
 import { GlobalSpinnerComponent } from './components/global-spinner/global-spinner.component';
 import { UserMenuComponent } from './components/user-menu/user-menu.component';
 import { JitsiComponent } from './components/jitsi/jitsi.component';
+import { VjsPlayerComponent } from './components/vjs-player/vjs-player.component';
+import { LiveStreamComponent } from './components/live-stream/live-stream.component';
 
 /**
  * Share Module for all "dumb" components and pipes.
@@ -294,7 +296,9 @@ import { JitsiComponent } from './components/jitsi/jitsi.component';
         VotingPrivacyWarningComponent,
         MotionPollDetailContentComponent,
         AssignmentPollDetailContentComponent,
-        JitsiComponent
+        JitsiComponent,
+        VjsPlayerComponent,
+        LiveStreamComponent
     ],
     declarations: [
         PermsDirective,
@@ -355,7 +359,9 @@ import { JitsiComponent } from './components/jitsi/jitsi.component';
         VotingPrivacyWarningComponent,
         MotionPollDetailContentComponent,
         AssignmentPollDetailContentComponent,
-        JitsiComponent
+        JitsiComponent,
+        VjsPlayerComponent,
+        LiveStreamComponent
     ],
     providers: [
         {

client/src/app/site/agenda/models/view-list-of-speakers.ts

@@ -63,6 +63,10 @@ export class ViewListOfSpeakers extends BaseViewModelWithContentObject<ListOfSpe
     public hasSpeakerSpoken(checkSpeaker: ViewSpeaker): boolean {
         return this.finishedSpeakers.findIndex(speaker => speaker.user_id === checkSpeaker.user_id) !== -1;
     }
+
+    public isUserOnList(userId: number): boolean {
+        return !!this.speakers.find(speaker => speaker.user_id === userId);
+    }
 }
 interface IListOfSpeakersRelations {
     speakers: ViewSpeaker[];

client/src/app/site/projector/services/current-list-of-speakers.service.ts

@@ -18,6 +18,11 @@ import { ViewProjector } from '../models/view-projector';
     providedIn: 'root'
 })
 export class CurrentListOfSpeakersService {
+    /**
+     * Id of the current lost of speakers projector. Filled through observer
+     */
+    private closId: number;
+
     /**
      * This map holds the current (number or null) los-id for the the projector.
      * It is used to check, if the reference has changed (this clos id changed for one projector).
@@ -34,6 +39,10 @@ export class CurrentListOfSpeakersService {
      */
     private currentListOfSpeakers: { [projectorId: number]: BehaviorSubject<ViewListOfSpeakers | null> } = {};
 
+    private currentListOfSpeakerSubject = new BehaviorSubject<ViewListOfSpeakers>(null);
+
+    public currentListOfSpeakersObservable = this.currentListOfSpeakerSubject.asObservable();
+
     public constructor(
         private projectorService: ProjectorService,
         private projectorRepo: ProjectorRepositoryService,
@@ -46,6 +55,21 @@ export class CurrentListOfSpeakersService {
                 this.setListOfSpeakersForProjector(projector);
             }
         });
+
+        this.projectorRepo.getReferenceProjectorIdObservable().subscribe(closId => {
+            if (closId) {
+                this.closId = closId;
+                this.currentListOfSpeakerSubject.next(this.getCurrentListOfSpeakers());
+            }
+        });
+    }
+
+    /**
+     * Use the subject to get it
+     */
+    private getCurrentListOfSpeakers(): ViewListOfSpeakers | null {
+        const refProjector = this.projectorRepo.getViewModel(this.closId);
+        return this.getCurrentListOfSpeakersForProjector(refProjector);
     }
 
     /**

client/src/app/site/site.component.html

@@ -89,12 +89,16 @@
                 <mat-icon>arrow_forward_ios</mat-icon>
             </button>
         </div>
-        <os-jitsi></os-jitsi>
         <div (touchstart)="swipe($event, 'start')" (touchend)="swipe($event, 'end')" class="content">
             <main>
                 <router-outlet #o="outlet"></router-outlet>
             </main>
         </div>
+        <div class="toolbars">
+            <!-- test -->
+            <os-jitsi></os-jitsi>
+            <!-- <os-live-stream></os-live-stream> -->
+        </div>
     </mat-sidenav-content>
 </mat-sidenav-container>
 

client/src/app/site/site.component.scss

@@ -134,3 +134,15 @@ mat-sidenav-container {
         }
     }
 }
+
+.toolbars {
+    z-index: 99;
+    position: fixed;
+    right: 0;
+    bottom: 0;
+    display: flex;
+
+    * {
+        margin-top: auto;
+    }
+}

client/src/styles.scss

@@ -46,6 +46,9 @@ $narrow-spacing: (
     spacing: $pbl-spacing-theme-narrow
 );
 
+/** Videjs */
+@import '~video.js/dist/video-js.css';
+
 /** Mix the component-related style-rules */
 @mixin openslides-components-theme($theme) {
     @include os-site-theme($theme);

openslides/core/config_variables.py

@@ -97,30 +97,48 @@ def get_config_variables():
     )
 
     yield ConfigVariable(
-        name="general_system_conference_auto_connect",
+        name="general_system_conference_show",
         default_value=False,
         input_type="boolean",
-        label="Show audio conference window",
+        label="Show live conference window",
         help_text="Server settings required to activate Jitsi Meet integration.",
         weight=140,
         subgroup="System",
     )
 
     yield ConfigVariable(
-        name="general_system_conference_show",
+        name="general_system_conference_auto_connect",
         default_value=False,
         input_type="boolean",
-        label="Connect all users to audio conference automatically",
+        label="Connect all users to live conference automatically",
+        help_text="Server settings required to activate Jitsi Meet integration.",
+        weight=141,
+        subgroup="System",
+    )
+
+    yield ConfigVariable(
+        name="general_system_conference_los_restriction",
+        default_value=False,
+        input_type="boolean",
+        label="Allow only speakers and permitted users to enter the live conference",
         help_text="Server settings required to activate Jitsi Meet integration.",
         weight=142,
         subgroup="System",
     )
 
+    yield ConfigVariable(
+        name="general_system_stream_url",
+        default_value="",
+        label="Live stream url",
+        weight=143,
+        subgroup="System",
+    )
+
     yield ConfigVariable(
         name="general_login_info_text",
         default_value="",
         label="Show this text on the login page",
-        weight=144,
+        weight=145,
         subgroup="System",
     )
 

openslides/core/migrations/0033_live_stream_permission.py

@@ -0,0 +1,25 @@
+# Generated by Django 2.2.12 on 2020-06-05 09:09
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("core", "0032_add_monospace_font"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="projector",
+            options={
+                "default_permissions": (),
+                "permissions": (
+                    ("can_see_projector", "Can see the projector"),
+                    ("can_manage_projector", "Can manage the projector"),
+                    ("can_see_frontpage", "Can see the front page"),
+                    ("can_see_livestream", "Can see the live stream"),
+                ),
+            },
+        ),
+    ]

openslides/core/models.py

@@ -118,6 +118,7 @@ class Projector(RESTModelMixin, models.Model):
             ("can_see_projector", "Can see the projector"),
             ("can_manage_projector", "Can manage the projector"),
             ("can_see_frontpage", "Can see the front page"),
+            ("can_see_livestream", "Can see the live stream"),
         )