功能欠缺？
ffprobe的结果不会输出到控制台（只有“任务完成，退出码0”），ffmpeg执行中的进度也和官方cli不同。另外估计有一些编码器缺失，因为没有输出无法确定具体情况
2 major versions behind
otherwise the app is great
ffmpeg User Reviews
Is ffmpeg Safe?
Not enough ratings yet to assess ffmpeg.
Is ffmpeg Legit?
ffmpeg appears legitimate, with a few gaps. AppsHunter Legitimacy Score for ffmpeg is 75/100.
Based on 75 of 100 points across 7 verification signals from App Store and developer data.