oggz-chop [-o filename | --output filename ] [-s start_time | --start start_time ] [-e end_time | --end end_time ] [-k | --no-skeleton ] filename
oggz-chop [-h | --help ] [-v | --version ]
oggz-chop chops a section of an Ogg file.
It correctly interprets the granulepos timestamps of
Ogg CELT, CMML, Dirac, FLAC, Kate, PCM, Speex, Theora and Vorbis
Run oggz-known-codecs(1) for a full list
of codecs known by the installed version of oggz.
The output file contains copies of the headers of the input file, and
all the codec data required to correctly decode the content between the
start and end times specified on the commandline. For codecs with data
dependencies like video keyframes, the keyframe prior to the starting
time will be included in the output.
Note that oggz-chop operates by copying pages of
Ogg data; it does not strip partial packets from the first or last
data page included in the output. It does however ensure to set the
end of stream flag on the last page of each logical bitstream.
Skeleton handling: By default, the output will contain a Skeleton track
specifying the start of the chop as presentation time.
oggz-chop accepts the following options:
Extract the first minute of file.ogx:
Extract from the second to the fifth minute of file.ogx:
Extract, specifying SMPTE-25 frame offsets:
The following configuration for Apache httpd will enable oggz-chop. As with most Apache directives, this may of course be restricted to particular Directories or Locations:
ScriptAlias /oggz-chop /usr/bin/oggz-chop
Action application/ogg /oggz-chop
oggz-chop generates Last-Modified HTTP headers, and
responds correctly to If-Modified-Since conditional GET requests.
Conrad Parker February 25, 2008;
Copyright © 2008 Annodex Association
oggz-validate(1), oggz-merge(1), oggz-dump(1), hogg(1)