1,先安裝ffmpeg
2,設置環境變量
3,npm install fluent-ffmpeg
4,編碼
var ffmpeg = require('fluent-ffmpeg');
//視頻合併
var file1 = "3.mp4";
var file2 = "2.mp4";
var outPath = "out.mp4";
var proc = ffmpeg(file1)
.input(file2).mergeToFile(outPath);
//視頻縮放,指定寬高
ffmpeg('./3.mp4')
.size('50%')
.withSize('1600x900')
.save('./outputfile.mp4');