ToshY/ffmpeg-mp4-to-webp

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FFmpeg MP4 to WebP 10 second 24FPS fragment

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ffmpeg-mp4-to-webp

ffmpeg -i "input.mp4" -vcodec libwebp -filter:v fps=fps=23.976 -lossless 1 -loop 0 -preset default -an -vsync 0 -s 320:180 -ss 00:00:15 -t 00:00:10 "output.webp"

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ToshY commented Mar 2, 2021

Starting at 20 seconds, every 7 minutes, create a 3 second segment with 23.976 FPS, scaled to 720:-2 (keep aspect ratio).

ffmpeg -ss 20 -i "input.mp4" -vcodec libwebp -vf "select='lt(mod(t,60*7),3)',setpts=N/FRAME_RATE/TB,fps=23.976,scale='720:-2:flags=lanczos'" -quality 85 -loop 0 -preset icon -an -vsync 0 "output.webp"

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