FFmpeg图片合成视频，实现放大平移

https://blog.csdn.net/qq_21275565/article/details/103671164#:~:text=%E7%BB%9F%E4%B8%80%E6%94%BE%E5%A4%A71.5%E5%80%8D%EF%BC%8C%E5%9C%A8%E8%BF%9B%E8%A1%8C%E5%B9%B3%E7%A7%BB%E4%BB%8E%E5%B7%A6%E5%88%B0%E5%8F%B3ffmpeg%20-y%20-i%201.jpg%20-vf%20%22zoompan%3D%271.5%27%3Ax%3D%27if%20%28lte%20%28on%2C-1%29%2C,1.mp4%E4%BB%8E%E5%8F%B3%E5%88%B0%E5%B7%A6ffmpeg%20-y%20-i%201.jpg%20-vf%20%22zoompan%3D%271.5%27%3Ax%3D%27if%20%28..._ffmpeg%20zoompan