Add ability to capture custom thumbnails from video frames

Adds a thumbnail generator component allowing users to capture frames from a video or upload their own custom images to serve as thumbnails.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 11420304-80a9-4ef2-adff-cbdaa418ffa8
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/11420304-80a9-4ef2-adff-cbdaa418ffa8/yWSdtYr

.replit

@@ -37,3 +37,6 @@ author = "agent"
 task = "shell.exec"
 args = "npm run dev"
 waitForPort = 5000
+
+[agent]
+integrations = ["javascript_object_storage==1.0.0"]

client/src/components/thumbnail-generator.tsx

@@ -0,0 +1,336 @@
+import { useRef, useState, useEffect } from "react";
+import { X, Download, Upload, Check, RotateCcw } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { Slider } from "@/components/ui/slider";
+import Hls from "hls.js";
+
+interface ThumbnailGeneratorProps {
+  videoUrl: string;
+  videoTitle: string;
+  isOpen: boolean;
+  onClose: () => void;
+  onThumbnailSelect: (thumbnailDataUrl: string) => void;
+}
+
+export default function ThumbnailGenerator({ 
+  videoUrl, 
+  videoTitle, 
+  isOpen, 
+  onClose, 
+  onThumbnailSelect 
+}: ThumbnailGeneratorProps) {
+  const videoRef = useRef<HTMLVideoElement>(null);
+  const canvasRef = useRef<HTMLCanvasElement>(null);
+  const hlsRef = useRef<Hls | null>(null);
+  const fileInputRef = useRef<HTMLInputElement>(null);
+  
+  const [duration, setDuration] = useState(0);
+  const [currentTime, setCurrentTime] = useState(0);
+  const [isVideoLoaded, setIsVideoLoaded] = useState(false);
+  const [selectedThumbnail, setSelectedThumbnail] = useState<string | null>(null);
+  const [customThumbnail, setCustomThumbnail] = useState<string | null>(null);
+  const [isGenerating, setIsGenerating] = useState(false);
+
+  // Initialize video when modal opens
+  useEffect(() => {
+    if (isOpen && videoRef.current && videoUrl) {
+      initializeVideo();
+    }
+    
+    return () => {
+      if (hlsRef.current) {
+        hlsRef.current.destroy();
+        hlsRef.current = null;
+      }
+    };
+  }, [isOpen, videoUrl]);
+
+  const initializeVideo = () => {
+    const videoElement = videoRef.current;
+    if (!videoElement) return;
+
+    // Clean up previous HLS instance
+    if (hlsRef.current) {
+      hlsRef.current.destroy();
+      hlsRef.current = null;
+    }
+
+    if (videoUrl.includes('.m3u8')) {
+      if (Hls.isSupported()) {
+        const hls = new Hls({
+          debug: false,
+          enableWorker: false,
+          lowLatencyMode: false
+        });
+        
+        hls.loadSource(videoUrl);
+        hls.attachMedia(videoElement);
+        
+        hls.on(Hls.Events.MANIFEST_PARSED, () => {
+          console.log('Video loaded for thumbnail generation');
+          setIsVideoLoaded(true);
+        });
+        
+        hlsRef.current = hls;
+      } else if (videoElement.canPlayType('application/vnd.apple.mpegurl')) {
+        videoElement.src = videoUrl;
+        setIsVideoLoaded(true);
+      }
+    } else {
+      videoElement.src = videoUrl;
+      setIsVideoLoaded(true);
+    }
+
+    // Video event listeners
+    videoElement.addEventListener('loadedmetadata', () => {
+      setDuration(videoElement.duration);
+      setCurrentTime(0);
+    });
+
+    videoElement.addEventListener('timeupdate', () => {
+      setCurrentTime(videoElement.currentTime);
+    });
+  };
+
+  const generateThumbnail = async () => {
+    const videoElement = videoRef.current;
+    const canvas = canvasRef.current;
+    
+    if (!videoElement || !canvas) return;
+
+    setIsGenerating(true);
+    
+    try {
+      const ctx = canvas.getContext('2d');
+      if (!ctx) return;
+
+      // Set canvas dimensions to match video
+      canvas.width = videoElement.videoWidth || 1280;
+      canvas.height = videoElement.videoHeight || 720;
+      
+      // Draw current video frame to canvas
+      ctx.drawImage(videoElement, 0, 0, canvas.width, canvas.height);
+      
+      // Convert to data URL
+      const thumbnailDataUrl = canvas.toDataURL('image/jpeg', 0.9);
+      setSelectedThumbnail(thumbnailDataUrl);
+      setCustomThumbnail(null);
+      
+    } catch (error) {
+      console.error('Error generating thumbnail:', error);
+    } finally {
+      setIsGenerating(false);
+    }
+  };
+
+  const handleTimeSliderChange = (value: number[]) => {
+    const newTime = value[0];
+    setCurrentTime(newTime);
+    
+    if (videoRef.current) {
+      videoRef.current.currentTime = newTime;
+    }
+  };
+
+  const handleCustomImageUpload = (event: React.ChangeEvent<HTMLInputElement>) => {
+    const file = event.target.files?.[0];
+    if (!file) return;
+
+    const reader = new FileReader();
+    reader.onload = (e) => {
+      const result = e.target?.result as string;
+      setCustomThumbnail(result);
+      setSelectedThumbnail(null);
+    };
+    reader.readAsDataURL(file);
+  };
+
+  const handleSaveThumbnail = () => {
+    const thumbnail = selectedThumbnail || customThumbnail;
+    if (thumbnail) {
+      onThumbnailSelect(thumbnail);
+      onClose();
+    }
+  };
+
+  const formatTime = (seconds: number) => {
+    const mins = Math.floor(seconds / 60);
+    const secs = Math.floor(seconds % 60);
+    return `${mins}:${secs.toString().padStart(2, '0')}`;
+  };
+
+  if (!isOpen) return null;
+
+  return (
+    <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
+      <div className="bg-white dark:bg-gray-900 rounded-lg max-w-4xl w-full max-h-[90vh] overflow-y-auto">
+        <div className="p-6">
+          {/* Header */}
+          <div className="flex items-center justify-between mb-6">
+            <h2 className="text-2xl font-bold text-gray-900 dark:text-white">
+              Generiraj thumbnail sliko
+            </h2>
+            <Button
+              onClick={onClose}
+              variant="ghost"
+              size="sm"
+              className="text-gray-500 hover:text-gray-700 dark:text-gray-400 dark:hover:text-gray-200"
+              data-testid="button-close-thumbnail-generator"
+            >
+              <X className="w-5 h-5" />
+            </Button>
+          </div>
+
+          <div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
+            {/* Video Player Section */}
+            <div className="space-y-4">
+              <h3 className="text-lg font-semibold text-gray-900 dark:text-white">
+                Video predogled
+              </h3>
+              
+              <div className="relative bg-black rounded-lg overflow-hidden">
+                <video
+                  ref={videoRef}
+                  className="w-full h-auto"
+                  muted
+                  preload="metadata"
+                  data-testid="thumbnail-video-player"
+                >
+                  Vaš brskalnik ne podpira video oznake.
+                </video>
+                
+                {!isVideoLoaded && (
+                  <div className="absolute inset-0 flex items-center justify-center bg-gray-800">
+                    <div className="animate-spin rounded-full h-12 w-12 border-b-2 border-white"></div>
+                  </div>
+                )}
+              </div>
+
+              {/* Time Slider */}
+              {isVideoLoaded && duration > 0 && (
+                <div className="space-y-2">
+                  <div className="flex justify-between text-sm text-gray-600 dark:text-gray-400">
+                    <span>{formatTime(currentTime)}</span>
+                    <span>{formatTime(duration)}</span>
+                  </div>
+                  <Slider
+                    value={[currentTime]}
+                    onValueChange={handleTimeSliderChange}
+                    max={duration}
+                    step={0.1}
+                    className="w-full"
+                    data-testid="time-slider"
+                  />
+                </div>
+              )}
+
+              {/* Generate Button */}
+              <Button
+                onClick={generateThumbnail}
+                disabled={!isVideoLoaded || isGenerating}
+                className="w-full"
+                data-testid="button-generate-thumbnail"
+              >
+                {isGenerating ? (
+                  <div className="flex items-center gap-2">
+                    <div className="w-4 h-4 border-2 border-white border-t-transparent rounded-full animate-spin" />
+                    Generiram...
+                  </div>
+                ) : (
+                  <div className="flex items-center gap-2">
+                    <Download className="w-4 h-4" />
+                    Generiraj thumbnail iz trenutnega okvirja
+                  </div>
+                )}
+              </Button>
+            </div>
+
+            {/* Thumbnail Preview Section */}
+            <div className="space-y-4">
+              <h3 className="text-lg font-semibold text-gray-900 dark:text-white">
+                Predogled thumbnail
+              </h3>
+
+              {/* Thumbnail Preview */}
+              <div className="bg-gray-100 dark:bg-gray-800 rounded-lg p-4 min-h-[200px] flex items-center justify-center">
+                {selectedThumbnail || customThumbnail ? (
+                  <div className="space-y-2">
+                    <img 
+                      src={selectedThumbnail || customThumbnail || ""} 
+                      alt="Thumbnail predogled" 
+                      className="max-w-full max-h-48 rounded"
+                      data-testid="thumbnail-preview"
+                    />
+                    <p className="text-xs text-center text-gray-600 dark:text-gray-400">
+                      {selectedThumbnail ? 'Generirano iz videoposnetka' : 'Naložena slika'}
+                    </p>
+                  </div>
+                ) : (
+                  <div className="text-center text-gray-500 dark:text-gray-400">
+                    <div className="w-16 h-16 mx-auto mb-2 bg-gray-300 dark:bg-gray-600 rounded-lg flex items-center justify-center">
+                      📷
+                    </div>
+                    <p>Generirajte thumbnail iz videoposnetka ali naložite svojo sliko</p>
+                  </div>
+                )}
+              </div>
+
+              {/* Custom Upload */}
+              <div className="space-y-2">
+                <h4 className="font-medium text-gray-900 dark:text-white">
+                  Ali naložite svojo sliko
+                </h4>
+                <input
+                  ref={fileInputRef}
+                  type="file"
+                  accept="image/*"
+                  onChange={handleCustomImageUpload}
+                  className="hidden"
+                  data-testid="custom-thumbnail-upload"
+                />
+                <Button
+                  onClick={() => fileInputRef.current?.click()}
+                  variant="outline"
+                  className="w-full"
+                  data-testid="button-upload-custom"
+                >
+                  <Upload className="w-4 h-4 mr-2" />
+                  Naloži svojo sliko
+                </Button>
+              </div>
+
+              {/* Action Buttons */}
+              <div className="flex gap-2 pt-4">
+                <Button
+                  onClick={() => {
+                    setSelectedThumbnail(null);
+                    setCustomThumbnail(null);
+                  }}
+                  variant="outline"
+                  className="flex-1"
+                  disabled={!selectedThumbnail && !customThumbnail}
+                  data-testid="button-reset-thumbnail"
+                >
+                  <RotateCcw className="w-4 h-4 mr-2" />
+                  Ponastavi
+                </Button>
+                <Button
+                  onClick={handleSaveThumbnail}
+                  disabled={!selectedThumbnail && !customThumbnail}
+                  className="flex-1 bg-green-600 hover:bg-green-700"
+                  data-testid="button-save-thumbnail"
+                >
+                  <Check className="w-4 h-4 mr-2" />
+                  Izberi thumbnail
+                </Button>
+              </div>
+            </div>
+          </div>
+
+          {/* Hidden canvas for thumbnail generation */}
+          <canvas ref={canvasRef} className="hidden" />
+        </div>
+      </div>
+    </div>
+  );
+}

client/src/components/ui/slider.tsx

@@ -23,4 +23,4 @@ const Slider = React.forwardRef<
 ))
 Slider.displayName = SliderPrimitive.Root.displayName
 
-export { Slider }
+export { Slider }

client/src/components/video-edit-modal.tsx

@@ -1,5 +1,5 @@
 import { useState } from "react";
-import { X, Upload, Save } from "lucide-react";
+import { X, Upload, Save, Camera } from "lucide-react";
 import { type Video, type UpdateVideo, updateVideoSchema } from "@shared/schema";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
@@ -8,6 +8,7 @@ import { Label } from "@/components/ui/label";
 import { apiRequest, queryClient } from "@/lib/queryClient";
 import { useToast } from "@/hooks/use-toast";
 import { useMutation } from "@tanstack/react-query";
+import ThumbnailGenerator from "./thumbnail-generator";
 
 interface VideoEditModalProps {
   video: Video;
@@ -23,6 +24,7 @@ export default function VideoEditModal({ video, isOpen, onClose }: VideoEditModa
   const [isPublic, setIsPublic] = useState(video.isPublic);
   const [customThumbnail, setCustomThumbnail] = useState<File | null>(null);
   const [thumbnailPreview, setThumbnailPreview] = useState<string | null>(video.customThumbnailUrl);
+  const [showThumbnailGenerator, setShowThumbnailGenerator] = useState(false);
   
   const { toast } = useToast();
 
@@ -57,6 +59,13 @@ export default function VideoEditModal({ video, isOpen, onClose }: VideoEditModa
     }
   };
 
+  const handleThumbnailFromVideo = (thumbnailDataUrl: string) => {
+    setThumbnailPreview(thumbnailDataUrl);
+    setCustomThumbnail(null); // Clear file input since we're using generated thumbnail
+    setShowThumbnailGenerator(false);
+    toast({ title: "Thumbnail ustvarjen iz videoposnetka!" });
+  };
+
   const handleSave = () => {
     try {
       const tagsArray = tags.split(",").map(tag => tag.trim()).filter(tag => tag.length > 0);
@@ -175,29 +184,43 @@ export default function VideoEditModal({ video, isOpen, onClose }: VideoEditModa
               <Label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
                 Slika predogleda
               </Label>
-              <div className="flex items-center gap-4">
+              <div className="space-y-3">
                 {thumbnailPreview && (
-                  <div className="w-32 h-18 rounded overflow-hidden">
+                  <div className="w-48 h-27 rounded overflow-hidden border">
                     <img 
                       src={thumbnailPreview} 
-                      alt="Predogled" 
+                      alt="Predogled thumbnail" 
                       className="w-full h-full object-cover"
                     />
                   </div>
                 )}
-                <Label className="cursor-pointer">
-                  <input
-                    type="file"
-                    accept="image/*"
-                    onChange={handleThumbnailChange}
-                    className="hidden"
-                    data-testid="input-thumbnail-upload"
-                  />
-                  <div className="flex items-center gap-2 px-4 py-2 bg-gray-100 dark:bg-gray-700 rounded-lg hover:bg-gray-200 dark:hover:bg-gray-600 transition-colors">
-                    <Upload className="w-4 h-4" />
-                    <span className="text-sm">Naloži sliko</span>
-                  </div>
-                </Label>
+                
+                <div className="flex gap-2">
+                  <Button
+                    type="button"
+                    onClick={() => setShowThumbnailGenerator(true)}
+                    variant="outline"
+                    className="flex-1"
+                    data-testid="button-generate-from-video"
+                  >
+                    <Camera className="w-4 h-4 mr-2" />
+                    Generiraj iz videoposnetka
+                  </Button>
+                  
+                  <Label className="cursor-pointer flex-1">
+                    <input
+                      type="file"
+                      accept="image/*"
+                      onChange={handleThumbnailChange}
+                      className="hidden"
+                      data-testid="input-thumbnail-upload"
+                    />
+                    <div className="flex items-center justify-center gap-2 px-4 py-2 bg-gray-100 dark:bg-gray-700 rounded-lg hover:bg-gray-200 dark:hover:bg-gray-600 transition-colors border text-sm font-medium h-10">
+                      <Upload className="w-4 h-4" />
+                      <span>Naloži sliko</span>
+                    </div>
+                  </Label>
+                </div>
               </div>
             </div>
 
@@ -247,6 +270,15 @@ export default function VideoEditModal({ video, isOpen, onClose }: VideoEditModa
           </div>
         </div>
       </div>
+
+      {/* Thumbnail Generator Modal */}
+      <ThumbnailGenerator
+        videoUrl={video.videoUrl}
+        videoTitle={video.title}
+        isOpen={showThumbnailGenerator}
+        onClose={() => setShowThumbnailGenerator(false)}
+        onThumbnailSelect={handleThumbnailFromVideo}
+      />
     </div>
   );
 }

package.json

@@ -11,6 +11,7 @@
     "db:push": "drizzle-kit push"
   },
   "dependencies": {
+    "@google-cloud/storage": "^7.16.0",
     "@google-cloud/video-intelligence": "^6.2.0",
     "@hookform/resolvers": "^3.10.0",
     "@jridgewell/trace-mapping": "^0.3.25",
@@ -34,7 +35,7 @@
     "@radix-ui/react-scroll-area": "^1.2.4",
     "@radix-ui/react-select": "^2.1.7",
     "@radix-ui/react-separator": "^1.1.3",
-    "@radix-ui/react-slider": "^1.2.4",
+    "@radix-ui/react-slider": "^1.3.5",
     "@radix-ui/react-slot": "^1.2.0",
     "@radix-ui/react-switch": "^1.1.4",
     "@radix-ui/react-tabs": "^1.1.4",
@@ -44,6 +45,13 @@
     "@radix-ui/react-tooltip": "^1.2.0",
     "@tanstack/react-query": "^5.60.5",
     "@types/video.js": "^7.3.58",
+    "@uppy/aws-s3": "^4.3.2",
+    "@uppy/core": "^4.5.2",
+    "@uppy/dashboard": "^4.4.3",
+    "@uppy/drag-drop": "^4.2.2",
+    "@uppy/file-input": "^4.2.2",
+    "@uppy/progress-bar": "^4.3.2",
+    "@uppy/react": "^4.5.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
@@ -55,6 +63,7 @@
     "express": "^4.21.2",
     "express-session": "^1.18.1",
     "framer-motion": "^11.13.1",
+    "google-auth-library": "^10.2.1",
     "hls.js": "^1.6.7",
     "input-otp": "^1.4.2",
     "lucide-react": "^0.453.0",

replit.md

@@ -14,7 +14,8 @@ VideoStream is a fully functional video streaming platform that integrates direc
 - ✅ **Error Handling**: Robust error handling with Video.js fallback mechanisms
 - ✅ **Performance**: Optimized video loading with adaptive bitrate streaming and proper buffering
 - ✅ **Social Media Sharing**: Implemented direct social sharing for Facebook, Twitter, WhatsApp with custom popup windows and automatic video thumbnail capture
-- ✅ **Monetization Ready**: Professional advertising framework ready for revenue generation
+- ✅ **YouTube-Style Editing**: Complete video editing interface with title, description, category, tags, and privacy controls
+- ✅ **Interactive Thumbnail Generator**: Advanced thumbnail creation from any video frame with timeline scrubbing and custom image upload
 - ✅ **Copy Link Feature**: Easy link copying with visual feedback notifications
 
 ## User Preferences