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並前往https://books.google.com.tw/books?id=EADpDwAAQBAJ&pg=PA142&lpg=PA142&dq=ffmpeg+aspect&source=bl&ots=Cec85zxgkG&sig=ACfU3U3QiMtgAsrcUp2xbFgsS6wfBsi2hA&hl=zh-TW&sa=X&ved=2ahUKEwiwofW5wNP0AhV4QUEAHQDmCf8Q6AF6BAgcEAM

Essential Python for the Physicist - 第 142 頁 - Google 圖書結果

The external command is ffmpeg −r 24 −f image2 −i . ... If you want to keep the aspect ratio you can type -1 for the vertical size, -vfscale=1280:-1, ...

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