Smelter BlogThe latest videos and demos from creators building real-time video and audio pipelines on Smelter.https://smelter.devenSmelter Workshop #5: real birds become Duck Hunt with YOLOhttps://smelter.dev/blog/duck-hunt-yolo-real-birdshttps://smelter.dev/blog/duck-hunt-yolo-real-birdsReal birds on camera spawn NES-style ducks and phones become gyro-aimed light guns over WebRTC - and the whole hit-registration problem dissolves into a single shared function of time.Wed, 12 Aug 2026 00:00:00 GMTLive StreamingBirdwatchingSmelter Workshop #4: Whisper captions, repainted cars, and ghost sprites in one streamhttps://smelter.dev/blog/side-channel-live-ai-videohttps://smelter.dev/blog/side-channel-live-ai-videoSmelter's side channel hands already-decoded frames to an external process. We point it at Whisper for captions that land on the speech, at YOLO for hue-painted drone traffic, and at a ghost swarm that haunts people on camera.Wed, 22 Jul 2026 00:00:00 GMTLive StreamingParanormalSmelter Workshop #3: an AI security app that records and analyzes itselfhttps://smelter.dev/blog/ai-security-app-multi-camerahttps://smelter.dev/blog/ai-security-app-multi-cameraA weekend-built surveillance rig on Smelter - WHIP cameras in, WHEP out, motion detection in 11 lines of numpy, automatic MP4 clips, and Gemini 2.5 Flash filing severity-rated incident reports.Thu, 18 Jun 2026 00:00:00 GMTLive StreamingRap MusicSmelter Workshop #2: Pong with your webcam inside the ballhttps://smelter.dev/blog/pong-webcam-inside-the-ballhttps://smelter.dev/blog/pong-webcam-inside-the-ballA playable Pong painted per-pixel by a WGSL shader on top of a live input - with the video inside the ball, an AI opponent that literally sees the past, and a 14-float protocol between browser and GPU.Fri, 05 Jun 2026 00:00:00 GMTLive StreamingGamingSmelter Workshop #1: a video carousel from one AI prompthttps://smelter.dev/blog/video-carousel-one-ai-prompthttps://smelter.dev/blog/video-carousel-one-ai-promptA fifteen-line prompt turns into a clap-controlled carousel of live video inputs - and the animation runs on the GPU compositor, not in a render loop.Wed, 27 May 2026 00:00:00 GMTLive StreamingAmusement ParksFFmpeg Alternative: 3 Years Ago, We Didn’t Know How to Do Live Video Mixinghttps://smelter.dev/blog/ffmpeg-alternative-live-video-mixinghttps://smelter.dev/blog/ffmpeg-alternative-live-video-mixingIt turns out that the most popular solutions, like FFmpeg or GStreamer, aren’t really the best fit for composing live streams together.Tue, 30 Sep 2025 00:00:00 GMTLive StreamingReact & Live Streaming: How to Include Video Mixing in Your Apphttps://smelter.dev/blog/react-live-streaming-video-mixinghttps://smelter.dev/blog/react-live-streaming-video-mixingHow to compose a simple gaming stream using React syntax, incorporate it into a React application and send it to Twitch - plus the logic and decision-making behind Smelter.Fri, 04 Apr 2025 00:00:00 GMTLive StreamingGamingLive Streaming with React - More Rust in the JavaScript Ecosystemhttps://smelter.dev/blog/live-streaming-with-react-rusthttps://smelter.dev/blog/live-streaming-with-react-rustRead how Live Compositor - the media server that later became Smelter - allows you to control your streams in React.Mon, 28 Oct 2024 00:00:00 GMTLive Streaming