Formatos de video

ogm -> http://www.bunkus.org/videotools/ogmtools/

apt-get install ogmtools

recursos:

ogmcat
ogmdemux
ogminfo
ogmmerge
ogmsplit

mkv -> http://www.matroska.org/index.html

# echo "deb http://www.bunkus.org/debian/etch/ ./" >> /etc/apt/sources.list
# apt-get update
# apt-get install mkvtoolnix-mb

recursos
mkvextract
mkvinfo
mkvmerge

teste

fiz um teste num arquivo mpeg

$ ls -sh final.mpeg
1,1G final.mpeg

$ file final.mpeg
final.mpeg: MPEG sequence, v2, program multiplex

e fiz a conversao para avi, mkv, ogm

$ mencoder final.mpeg -oac lavc -ovc lavc format=dvd -o eu.avi
$ mkvmerge varios.avi -o eu.mkv
$ ogmmerge varios.avi -o eu.ogm

tamanhos:

360M eu.avi
359M eu.mkv
283M eu.ogm

info:

$ file eu.avi
varios.avi: RIFF (little-endian) data, AVI, 720 x 576, 25.00 fps, video:, audio: (stereo, 48000 Hz)

$ file eu.mkv
eu.mkv: Matroska data

$ file eu.ogm
eu.ogm: Ogg data, OGM video

pra depois

mencoder input.avi -o output.avi -ovc copy -oac copy -ffourcc XVID

http://wiki.multimedia.cx/index.php?title=ISO_MPEG-4