Live Video AMAs in 30 Days
summary
Built a live AMA pipeline that supports thousands of viewers by combining Twilio for realtime rooms, Ant Media initially for HLS, then FFmpeg-based encoding fed from a headless Chrome videographer that composites participant tracks into a canvas. The team records canvas capture plus mixed audio to FFmpeg, produces HLS, and serves via CloudFront; Ant Media fails about 1 in 15 runs, MediaRecorder on Safari is unreliable, and the system uses an 8 second viewer delay and circle-shaped canvas rendering to animate dominant speakers.
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