MyWackoSite: mencoder

https://wiki.ebal.gr     Version: 1 (08/18/2015 14:22)
This is an old revision of multimedia from 08/18/2015 14:22 edited by EvaggelosBalaskas.

mencoder

mencoder -sub SUBTITLES.srt -subcp iso-8859-7  -ovc lavc -oac lavc  -lavcopts vcodec=mpeg4 acodec=libmp3lame -o VIDEO.MPEG4.avi VIDEO.avi
mencoder -sub SUBTITLES.srt -subcp iso-8859-7  -ovc lavc -oac lavc  -lavcopts vcodec=mpeg1 -o VIDEO.MPEG1.avi VIDEO.avi		


mencoder -ovc help
mencoder -oac help


Rip mp3 from avi

mencoder -ovc frameno -oac mp3lame -of rawaudio -o FILENAME.mp3 FILENAME.avi


convert mp3 to wav

for i in *.mp3; do mpg321 -w "`basename "$i" .mp3`.wav" "$i"; done

mkisofs -J -R -o audio01.iso *wav

wodim -v -pad speed=1 dev=/dev/sr0 -dao -swab *.wav


convert ogg to avi

mencoder out.ogv -o out.avi -ovc lavc -oac lavc


resize video file

mencoder file.avi -vf scale=640:400 -ovc lavc -lavcopts vcodec=mpeg4 -o file_640x400.avi


convert m4a to mp3

BASH 
ffmpeg -i filename.m4a filename.mp3

for i in `ls -1 --color=no *.m4a`; do ffmpeg -i $i $i.mp3 && rm -f $i ; done


http://pvdm.xs4all.nl/wiki/ind[...]_to_MP4_using_ffmpeg[link1]
http://www.catswhocode.com/blo[...]mmands-for-all-needs[link2]


Convert wmv to avi (raw)



join avi files 










ffmpeg -i VIDEO.flv -s 480x320 -vcodec mpeg4 -ab 128 -acodec aac VIDEO.mp4		





mencoder Ldap_Attribute.ogv -ovc lavc -oac mp3lame -o Ldap_Attribute.avi


remove audio from a video file (avi) 


ffmpeg -i input.avi -c copy -an output.avi



Using -an to remove audio

Convert bitrate 


ffmpeg -i audio_file.mp3 -ab 192k newaudiofile.mp3