快速裁剪视频工具ffmpeg

用brew安装ffmpeg

brew install ffmpeg

然后用npm的包node-ffmpeg: https://www.npmjs.com/package/ffmpeg

用node控制ffmpeg

const ffmpeg = require(\'ffmpeg\');

console.log(\'begin\');

const precess = new ffmpeg(\'./test.mp4\')

precess.then(video => {
    video.setVideoSize(\'750x1334\', false, false, \'#ffffff\').save(\'./your_movie.mp4\', function (error, file) {
        console.log(file)
        console.log(\'saved\')
        if (error) console.log(error);
    });
})