video-overlay

GPU/CPU-based iOS Watermark Library for Image and Video Overlay

Desktop app for building telemetry video overlays from GPS data

Visual web interface for creating video overlays with GPS telemetry data. Supports GoPro, DJI (SRT), GPX and FIT files. Visual editor with real-time preview, batch rendering, and custom templates.

MLX90640 Thermal Camera with Edge Detect Video Overlay, for Raspberry Pi

niconico / bilibili / DanDanPlay 弹幕 for IINA — dual CSS & Canvas rendering, Nico & Bilibili style presets, local file & network danmaku

This is a POC of a video server which uses WebRTC to publish a videostream and HTML/CSS/JS for graphik overlays

Telemetry overlays for DJI Osmo Action footage: speed, maps, tilt and G-force. Editor with live preview and export matching the source encoding settings. Windows, Linux and macOS.

Library to add watermark/overlay on video using local image or view

Voice-reactive avatar overlay with a transparent background — be on camera without your face

Android Video Overlay

Turn real-time news into short, shareable news videos — fully automated with AI.

Flutter desktop app for turning FPV flight footage + telemetry into finished overlay videos on macOS and Windows

Hardware-accelerated video composition and editing for Expo — multi-track, preview, filters, transitions, overlays. iOS & Android. MIT.

Play a video clip once over your OBS scene from a Stream Deck key, then have it vanish. Single Windows .exe: background daemon with tray icon, transparent browser-source overlay, triggered by URL or CLI. Any file on disk, unmuted, no controls. Same clip again stops it; another clip replaces it. No runtime, no config.

RnD effort (to overlay polygon on video) that is more towards using opencv or PIL for overlay and using some annotation tools to get the polyline/bounding box.

Real-time video object detection overlay pipeline using Python, OpenCV, and ONNX Runtime. Captures from webcam, screen, or capture card, runs inference, and displays bounding boxes.

随引（GuideMate）：Windows 攻略视频跟随工具，支持置顶小窗、全局热键与鼠标侧键、字幕同步、进度记忆和攻略箭头方向识别。

Explore G-forces, airtime and GPS from Ride Forces/RFDB recordings. Offline app for Windows, Linux and macOS with video overlays, batch exports and CSV/JSON export. English, German and French UI. Support via GitHub Issues.

📓🕯📹 Virtual webcam clone with dynamic content overlay; 〰 Conky, FFmpeg, v4l2loopback. 📺 Bash script.

Turn DJI drone footage into a moving-map/speed/altitude video overlay - with AGL/ASL calculation. Tested on DJI Mini 3.