always save in format video/webm, but need mp4 · Issue #349 · muaz-khan/ RecordRTC · GitHub
RecordRTC.js Example to Build a WebRTC Video Recorder From Webcam and Play, Download Recorded Video as MP4 File in Browser Using Javascript - Coding Deekshi
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GitHub - muaz-khan/RecordRTC: RecordRTC is WebRTC JavaScript library for audio/video as well as screen activity recording. It supports Chrome, Firefox, Opera, Android, and Microsoft Edge. Platforms: Linux, Mac and Windows.
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