Difference between revisions of "Ffmpeg syntax"
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[[ Creating a thumbnail image from video]]<br> | [[ Creating a thumbnail image from video]]<br> | ||
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| + | '''Resizing a video :'''<br> | ||
| + | ffmpeg -i input.mp4 -s 480x320 -c:a copy output.mp4<br> | ||
Revision as of 20:21, 20 February 2016
The below taken from : http://linuxers.org/book/export/html/593
ffmpeg -i inputfile.fmt1 outputfile.fmt2
ffmpeg -i input.avi -target pal-dvd output.mpg
ffmpeg -i input.fmt1 -t 30 output.fmt2
The time specified is in seconds. But the format hh.mm.ss is also supported.
This command will convert the first 30 seconds of the file input.fmt2 into output.fmt2.
ffmpeg -sn -i "/run/media/george/My Passport/FRINGE_SEASON_1_DISC_1/BDMV/STREAM/00001.m2ts" -target film-dvd output.mp4
To convert from mkv to mp4 :
ffmpeg -i LostInTranslation.mkv -vcodec copy -acodec copy LostInTranslation.mp4
Audio only convert :
ffmpeg -i input.mp4 -c:v copy -c:a libfdk_aac -vbr 3 output.mp4 ( mp3 can be specified i instead of libfdk_aac )
Below specifies to convert the audio to mp3, but the video gets converted as well to h???
ffmpeg -i input_file.mp4 -acodec mp3 out.mp4
Resizing images :
ffmpeg -i input.jpg -vf scale=320:-1 output_320.png ( sets the x value and scales the y )
location of wiki logo : /var/www/html/wiki/skins/common/images/wiki.jpg
Creating a thumbnail image from video
Resizing a video :
ffmpeg -i input.mp4 -s 480x320 -c:a copy output.mp4
