FFMPEG으로 동영상 섬네일을 타일형태로 추출하기 felglory2017-11-022017-11-020 링크 $ ffmpeg -i YosemiteHDII.webm -vf select='gt(scene\,0.4)',scale=160:120,tile -frames:v 1 Yosemite_preview.png 1 $ ffmpeg -i YosemiteHDII.webm -vf select='gt(scene\,0.4)',scale=160:120,tile -frames:v 1 Yosemite_preview.png