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I have FFMPEG installed on 2 different servers. On one of the servers, i run into an issue every time i try to convert m4v files where ffmpeg just processes the file indefinitely. When I take the same source file and try to run it on the other server it seems to work just fine. Both servers are running the same version of GNU/Linux. Some one suggested i check to see if the same version of ffmpeg is installed on the servers, so my question to you all is, "how do i check my ffmpeg version?"

Thanks!

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This is a place to ask things, but it would help you greatly in the future if you became comfortable with e.g. man ffmpeg, or in this case even just ffmpeg, which informs you to run ffmpeg -h for more help. Also a package manager could give you the answer. That was for the terminal (well, the package manager might very well be GUI based), and I'm certain that the man pages are available in some graphical way as well if one is not comfortable with the terminal. Googling on "ffmpeg version" also gives a first-page answer. I'm not trying to be snarky, but "teach a man to fish", etc. – Daniel Andersson Apr 2 '12 at 17:58
up vote 13 down vote accepted

Call it with the right command line flag:

ffmpeg -version

For a full list of the underlying libraries, just call ffmpeg without any option:

ffmpeg
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This does not work in ubuntu 14.04 as I am using ffmpeg libraries but there is no ffmpeg application. – kkron Sep 27 '14 at 1:00
    
the question is about the ffmpeg-binary, not the libav*-header or -lib.so files. – akira Sep 27 '14 at 5:48

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protected by slhck Aug 23 '14 at 11:44

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