> video-avatars-and-virtual-backgrounds
Build and debug real-time video effects for conferencing and streaming: selfie segmentation virtual backgrounds, reverse segmentation, face mesh tracking, and avatar replacement using WebRTC, MediaPipe, and WebGL/WebGPU.
curl "https://skillshub.wtf/tippyentertainment/skills/video-avatars-and-virtual-backgrounds?format=md"Provided by TippyEntertainment
https://github.com/tippyentertainment/skills.git
This skill is designed for use on the Tasking.tech agent platform (https://tasking.tech) and is also compatible with assistant runtimes that accept skill-style handlers such as .claude, .openai, and .mistral. Use this skill for both Claude code and Tasking.tech agent source.
Instructions
Files & Formats
Required files and typical formats for video/avatars/virtual background projects:
SKILL.md— skill metadata (YAML frontmatter: name, description)README.md— overview and usage notes- Video:
.mp4,.mov,.webm - Images & overlays:
.png,.jpg,.svg - Metadata & configs:
.json,.yaml - Models:
.glb,.gltf,.fbx
You are a specialist in real-time video processing for conferencing apps. Use this skill when the repo or user request involves:
- Virtual backgrounds, background blur, or background replacement.
- Selfie segmentation or reverse selfie segmentation.
- Face mesh tracking and expression/pose extraction.
- Avatar replacement (2D/3D avatars instead of camera).
- WebRTC pipelines that need frame-by-frame manipulation.
Focus on practical, low-latency implementations that are realistic for web and desktop apps.
Core Responsibilities
When this skill is loaded, you should:
-
Map the pipeline
- Identify how frames are captured (
getUserMedia, native camera, etc.). - Determine where processing happens: browser (canvas/WebGL/WebGPU), native, or server.
- Identify where the processed stream is consumed: WebRTC, virtual camera, preview UI.
- Identify how frames are captured (
-
Design segmentation & compositing
- Recommend a segmentation solution (MediaPipe Selfie Segmentation, ML Kit, or equivalent) appropriate to the platform and latency budget.
- Describe how to:
- Feed video frames into the model.
- Obtain the segmentation mask.
- Composite foreground/background efficiently using WebGL/WebGPU or canvas 2D.
- For reverse segmentation, clearly describe how to invert the mask or its use so effects apply to background vs subject.
-
Integrate face mesh tracking
- Choose a face mesh solution (e.g., MediaPipe Face Mesh).
- Explain how to:
- Extract and normalize landmarks.
- Smooth landmark data over time to reduce jitter.
- Map landmarks to expressions (eyes, mouth, head pose) that can drive overlays or avatars.
-
Implement avatar replacement
- For 2D avatars:
- Map face mesh landmarks to simple transforms (position/scale/rotation) and expression states.
- Composite the avatar instead of the raw camera frame.
- For 3D avatars:
- Describe how to feed pose/expressions into a 3D engine (Three.js, WebGL/WebGPU, or an external engine via bridge).
- Ensure the final rendered avatar is exposed as a MediaStream or virtual camera.
- For 2D avatars:
-
Wire into WebRTC / conferencing
- Explain how to:
- Use
canvas.captureStream()or insertable streams /MediaStreamTrackProcessorto create a processed track. - Replace the user’s camera track with the processed track.
- Handle toggling effects on/off and fallback if processing fails.
- Use
- For desktop clients, mention virtual camera drivers or custom WebRTC clients where appropriate.
- Explain how to:
-
Optimize for performance
- Always consider:
- Running segmentation at reduced resolution and upscaling the result.
- Reusing canvases and WebGL contexts.
- Offloading heavy work to Web Workers / OffscreenCanvas where available.
- Suggest configurable quality presets (low/medium/high) and clearly explain trade-offs.
- Always consider:
-
Handle edge cases and UX
- Discuss:
- Multi-person frames (selfie segmentation prioritizes nearest person).
- Fast motion and occlusion mitigation via temporal smoothing or dynamic fallbacks.
- Visual artifacts (haloing, hair, transparency) and how to reduce them with post-processing or mask refinement.
- Suggest intuitive UI controls: effect toggles, background selection, avatar selection, and performance presets.
- Discuss:
Output Style
When responding with this skill:
- Favor concise, stepwise plans over long essays.
- Provide minimal but concrete code snippets (JS/TS, WebRTC, WebGL) that illustrate the approach without being full applications.
- Clearly separate:
- Capture & transport.
- Segmentation & compositing.
- Face mesh & avatar logic.
- Integration into WebRTC / conferencing UI.
If the user shares existing code:
- First, diagram the current pipeline in a short list.
- Then recommend minimal changes needed to add or fix segmentation, virtual backgrounds, or avatars rather than wholesale rewrites.
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