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I'm trying to add subtitles to an AVI file while minimizing loss in video quality. I can adjust the quality by setting the bitrate in mencoder. I would like to know the bitrate of the original file in order to set this correctly. How can I find out the original bitrate?

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up vote 1 down vote accepted

ffmpeg -i somefile.avi outfile.avi should spit the bitrate to the command line

ffplay will spit out the bitrate too

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Why is an output file name needed? – tony_sid Jan 1 '11 at 4:48
    
see the edit...ffmpeg is a transcoder ffplay is a player – RobotHumans Jan 1 '11 at 4:49
    
and it isn't required to get it to spit out the bitrate it's just a habit – RobotHumans Jan 1 '11 at 4:51
    
If I leave out the output file name then it shows the information. If I give an output file name then it starts creating that file. – tony_sid Jan 1 '11 at 4:52
    
yeah...it's a does that ctl-c should stop it – RobotHumans Jan 1 '11 at 4:53

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