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ffmpegで動画の撮影日時を保ったまま画素数を増やすスクリプト
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mkdir mp4 -p | |
for file in `/bin/ls -r *.3G2`; do | |
datetime=`ffprobe -v quiet $file -print_format csv -show_entries format_tags=creation_time|cut -d ',' -f 2` | |
datetime_iso=`date --iso-8601=minutes -d "${datetime}+00:00"` | |
ffmpeg -i ${file} -metadata creation_time=$datetime_iso -strict -2 mp4/${file%.*}.mp4 -s 640x480 -y | |
touch -d $datetime_iso mp4/${file%.*}.mp4 | |
done; |
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