Difference between revisions of "Video conversion"
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= convert dv video to avi = | = convert dv video to avi = | ||
dv videos come e.g. from a [[camcorder]]. | dv videos come e.g. from a [[camcorder]]. | ||
| − | [[mencoder]] test.dv -o test.avi -vf pp=ci <html><acronym title=" | + | [[mencoder]] test.dv -o test.avi -vf pp=ci <html><acronym title="Output audio codec comes from libavcodec. To list all available audio codes, call mencoder -oac help.">-oac pcm</acronym> <acronym title="Output video codec comes from libavcodec. To list all available codecs, call mencoder -ovc help.">-ovc x264</acronym></html> |
| − | + | ||
| − | + | OR | |
| − | + | ||
| − | + | /usr/bin/ffmpeg -threads 2 -f dv -i capture003.dv -vcodec h264 -g 30 -deinterlace -b 900k -s 640x360 -aspect 4:3 -acodec mp3 -ab 64k output.avi | |
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| − | |||
| − | |||
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= convert video to 3gp = | = convert video to 3gp = | ||
| Line 16: | Line 11: | ||
mencoder ''INPUTFILE'' -nosound -ovc lavc -lavcopts vcodec=mpeg4 -vop expand=176:144,scale=176:-2 -o movie.avi -ofps 12 | mencoder ''INPUTFILE'' -nosound -ovc lavc -lavcopts vcodec=mpeg4 -vop expand=176:144,scale=176:-2 -o movie.avi -ofps 12 | ||
| − | + | mplayer -vo null -ao pcm -af resample=8000,volume=+4db:sc ''INPUTFILE'' | |
[[ffmpeg]] -i movie.avi -i audiodump.wav -b 48 -ac 1 -ab 12 -map 0.0 -map 1.0 ''OUTPUTFILE'' | [[ffmpeg]] -i movie.avi -i audiodump.wav -b 48 -ac 1 -ab 12 -map 0.0 -map 1.0 ''OUTPUTFILE'' | ||
| Line 33: | Line 28: | ||
= Convert a DVD to a file = | = Convert a DVD to a file = | ||
mencoder dvd://1 -oac mp3lame -lameopts br=192 -ovc lavc -lavcopts vcodec=mpeg4:vhq -o output.avi | mencoder dvd://1 -oac mp3lame -lameopts br=192 -ovc lavc -lavcopts vcodec=mpeg4:vhq -o output.avi | ||
| + | |||
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= TroubleShooting = | = TroubleShooting = | ||
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* the converter | * the converter | ||
| − | For example | + | For example using mencoder made a video with sound out of sync. Using -oac pcm resolved this problem. |
| − | |||
| − | |||
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= See also = | = See also = | ||
| Line 50: | Line 44: | ||
* [[video conversion software]] | * [[video conversion software]] | ||
* http://wiki.linuxquestions.org/wiki/Video_conversiOn | * http://wiki.linuxquestions.org/wiki/Video_conversiOn | ||
| + | * http://en.linuxreviews.org/HOWTO_Convert_video_files | ||
Latest revision as of 10:26, 1 March 2020
Contents
convert dv video to avi
dv videos come e.g. from a camcorder.
mencoder test.dv -o test.avi -vf pp=ci <html><acronym title="Output audio codec comes from libavcodec. To list all available audio codes, call mencoder -oac help.">-oac pcm</acronym> <acronym title="Output video codec comes from libavcodec. To list all available codecs, call mencoder -ovc help.">-ovc x264</acronym></html>
OR
/usr/bin/ffmpeg -threads 2 -f dv -i capture003.dv -vcodec h264 -g 30 -deinterlace -b 900k -s 640x360 -aspect 4:3 -acodec mp3 -ab 64k output.avi
convert video to 3gp
3gp videos come e.g. from a mobile phone.
mencoder INPUTFILE -nosound -ovc lavc -lavcopts vcodec=mpeg4 -vop expand=176:144,scale=176:-2 -o movie.avi -ofps 12
mplayer -vo null -ao pcm -af resample=8000,volume=+4db:sc INPUTFILE
ffmpeg -i movie.avi -i audiodump.wav -b 48 -ac 1 -ab 12 -map 0.0 -map 1.0 OUTPUTFILE
convert 3gp-Video to DivX
mencoder -ovc divx4 vid.3gp -o vid.avi
convert video for Palm
mencoder source.mpg -ofps 15 -srate 24000 -oac mp3lame -lameopts cbr:br=32:vol=5:mode=3 -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=96:vhq: \ keyint=300 -vop scale=480:320 -o target.avi
or
mencoder source.mpg -srate 24000 -oac mp3lame -lameopts cbr:br=32:vol5:mode=3\ -fps 30 -ofps 30 -ovc lavc -vop scale=320:240 -o target.avi
Convert a DVD to a file
mencoder dvd://1 -oac mp3lame -lameopts br=192 -ovc lavc -lavcopts vcodec=mpeg4:vhq -o output.avi
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TroubleShooting
Sound is out of sync
If you convert a video and sound is out of sync after the conversion, you need to look at
- the video player
- the converter
For example using mencoder made a video with sound out of sync. Using -oac pcm resolved this problem.
