
Video Lecture Platform with Time-Based Comments
Objective
To develop a video-based learning platform where students can watch lectures and leave time-synced comments, enabling contextual discussion tied to specific moments in the video.
Key Features
Student Panel:
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Register/login with secure authentication
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Browse and stream video lectures by course/subject
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Add comments tied to specific timestamps (e.g., 04:32)
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View all time-based comments on a side panel while watching
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Like/dislike or reply to comments
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Bookmark key moments in the lecture
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Search within comments
Instructor Panel:
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Upload video lectures with title, subject, tags
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Pin instructor notes or key points at timestamps
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Moderate comments (edit, delete, reply)
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Attach PDFs/slides to each video
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Get analytics: most paused timestamp, most commented sections
Admin Panel:
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Manage users (students, instructors)
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Moderate platform-wide comments
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Approve/reject uploaded videos
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Manage categories, courses, and tags
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Export comment analytics for insights
Tech Stack
Layer | Technology |
---|---|
Frontend | React.js / Angular / Vue.js |
Video Player | Video.js / Plyr.js / HTML5 Video API |
Backend | Node.js + Express / Django / Spring Boot |
Database | MongoDB / MySQL / PostgreSQL |
Authentication | JWT / OAuth 2.0 |
Cloud Storage | AWS S3 / Firebase Storage / Cloudinary |
Hosting | Vercel / Firebase / AWS / Heroku |
Workflow (Step-by-Step)
1. User Onboarding
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Students and instructors register/login
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Role-based dashboard access
2. Video Upload & Display
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Instructors upload videos
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System processes and stores video securely
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Videos listed in categorized sections (subject-wise)
3. Time-Based Commenting
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While watching a video, students can:
‣ Pause and comment on the current time
‣ See all comments aligned with the video timeline
‣ Reply to or react to existing comments -
Comments auto-scroll with video
4. Instructor Notes
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Instructors add pinned notes (e.g., "Key concept here")
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Appear during video playback as overlays or side notes
5. Analytics & Moderation
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Instructors and admins can:
‣ See comment heatmap on video timeline
‣ Moderate flagged content
‣ Track engagement stats (views, avg. watch time)