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FFmpeg: Difference between revisions
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ffmpeg -i distorted.mp4 -i reference.mp4 -lavfi ssim -f null - | ffmpeg -i distorted.mp4 -i reference.mp4 -lavfi ssim -f null - | ||
</syntaxhighlight> | </syntaxhighlight> | ||
===Generate Thumbnails=== | |||
[https://superuser.com/questions/1099491/batch-extract-thumbnails-with-ffmpeg Reference]<br> | |||
Below is a bash script to generate all thumbnails in a folder | |||
{{hidden|Script| | |||
<syntaxhighlight lang="bash"> | |||
#!/usr/bin/env bash | |||
OUTPUT_FOLDER="thumbnails" | |||
mkdir -p $OUTPUT_FOLDER | |||
for file in *.mp4; | |||
do ffmpeg -i "$file" -vf "select=gte(n\,300)" -vframes 1 "$OUTPUT_FOLDER/${file%.mp4}.png"; | |||
done | |||
</syntaxhighlight> | |||
}} | |||
==C API== | ==C API== | ||