webrtc - ffmpeg - converting webm videos generated by Chrome is slow - Stack Overflow
How to Free Convert MP4 to WebM in Fast and Simple Ways
W3Reality on Twitter: "We've made a webm/mp4 encoder inspired by "Running FFMPEG with WASM in a Web Worker" https://t.co/FxiNKr1Tp6 One limitation is FFmpeg itself runs in its single thread mode so it's
5 Easy Ways to Convert WebM to MP4 (incl. 4K and Free)