Converting mkv to either avi or mp4

[Panipal2005]

Hallo

Can anyone give me help on how to convert mkv files to either avi or mp4? Aso guides on how to use any applications that are suggested, cheers.

ATM I'm trying to use mencoder and am not impressed with it telling me it can't find the file I'm trying to convert. Especially when it WAS perfectly able to fid the file before my computer had an unfortunate crash, which didn't even affect the file in question.

[olson]

Avidemux can do that, and specify to just copy the video and audio streams in their native codec rather than transcoding. Note that if you do transcode from one lossy codec to another there will be even greater loss in the quality compared to the original source. Cheers!

[Panipal2005]

I'm talking about what actual command would I enter into Terminal (I assume I'd have to use Terminal).

[olson]

Originally Posted by Panipal2005

I'm talking about what actual command would I enter into Terminal (I assume I'd have to use Terminal).

Avidemux has a GUI. I'm sure you could do it with mencoder or ffmpeg, but Avidemux is probably easier for one off jobs. Cheers!

[wzb]

Originally Posted by Panipal2005

Hallo

Can anyone give me help on how to convert mkv files to either avi or mp4? Aso guides on how to use any applications that are suggested, cheers.

ATM I'm trying to use mencoder and am not impressed with it telling me it can't find the file I'm trying to convert. Especially when it WAS perfectly able to fid the file before my computer had an unfortunate crash, which didn't even affect the file in question.

ffmpeg -ab 128 -acodec mp3 -sameq -vcodec mpeg4 -mbd rd -flags +4mv+trell+aic -cmp 2 -subcmp 2 -g 300 -s 400x300 -aspect 4:3 -i "$INPUT" "$OUTPUT.mp4"

mencoder $INPUT -ofps 30 -ovc xvid -oac mp3lame -lameopts abr:br=128 -srate 48000 -vf scale -zoom -xy 720 -xvidencopts fixed_quant=4 -o $OUTPUT.xvid.avi

mencoder -forceidx -ffourcc FLV1 -oac mp3lame -lameopts abr:br=56 -srate 22050 -ovc lavc -lavcopts vcodec=flv:vbitrate=250:mbd=2:mv0:trell:v4mv:cbp:l ast_pred=3 -vf scale=360:240 -o $OUTPUT.FLV $INPUT