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ffmpeg - why video conversion from avi to mp4 in php using exec function not working? - Stack Overflow
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Build FFmpeg WebAssembly version (= ffmpeg.wasm): Part.3 ffmpeg.wasm v0.1 — Transcoding avi to mp4 | by Jerome Wu | ITNEXT
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How to convert videos with ffmpeg | Convert AVI to MP4 and MKV to AVI , MP4 etc | Install ffmpeg - YouTube
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