SuSE 11.3 - man page for lavtrans (suse section 1)
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lavtrans(1) MJPEG tools manual lavtrans(1)
lavtrans - Convert MJPEG videos to other MJPEG video formats
lavtrans -o outputfile -f a|q|i|w [-i num] lavfile1 [lavfile2 ... lavfileN]
lavtrans can be used to convert the recorded videos from one MJPEG "container" format to
another one. It can also be used to split the streams, or do destructive edits.
Like all the other mjpegtools(1) lavtrans also accept a edit list file in place of actual
video files. This allows it to be used to construct a stand-alone copy of the editted
video sequence described in the editlist.
Note that lavtrans can only change the container type of MJPEG video, not the format. As
such it is not possible to use it combine streams of different format.
lavtrans accepts the following options:
Specifies the output format that should be saved.
a - output to AVI file
q - output to Qicktime file
i - output single JPEG images,
w - output WAV file (sound only!)
Convert a single frame to a JPEG file.
Specifies the name of the output file If you want as output single JPEG images the
output file string must be a valid format string
Multiple filenames as input are acceped, also mixing of edit list files and other in
There seem to be problems with the transoding of large Quicktime movies. One other thing
is that with interlaced movies only one field is extracted. So you get pictures with the
full horizontal size and half vertical size.
This man page was written by Bernhard Praschinger.
If you have questions, remarks, problems or you just want to contact the developers, the
main mailing list for the MJPEG-tools is:
For more info, see our website at
MJPEG Linux Square 2 June 2001 lavtrans(1)
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