Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
940 views
in Technique[技术] by (71.8m points)

ffmpeg: Unable to find a suitable output format for '–i'

I am not sure why, but I cannot seem to get a watermark rendered on the bottom right corner of my video using ffmpeg.

I am using the following command:

$ ffmpeg –i faded.mov -vf "movie=logo2.png [watermark]; [in][watermark] overlay=(main_w-overlay_w-10)/2:(main_h-overlay_h-10)/2 [out]" outputvideo3.mov
...
[NULL @ 0x7fa2ec001000] Unable to find a suitable output format for '–i'
–i: Invalid argument
See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)

Use - (hyphen), not (en dash).

  • Correct: -i
  • Incorrect: –i

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...