Quiz · 4 questions
🔄 Basic Conversions — Everyday FFmpeg
The dozen one-liners that cover 80% of real work — convert, remux, trim, scale, extract audio, concat, screenshot, batch
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Quiz
01Which flag tells FFmpeg to skip re-encoding and stream-copy the bits directly?
02You run
ffmpeg -i in.mp4 -ss 30 -t 10 -c copy out.mp4. Where exactly does the cut start?03For libx264, which CRF value is roughly 'visually transparent' on 1080p?
04Which scale value tells FFmpeg 'preserve aspect ratio, round to even'?
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