| ogmencoder - The automatic dvd to ogm backup environment |
| ogmencoder [options] |
| ogmencoder is a perl script for LINUX that use MPlayer/Mencoder and Transcode to create a OGG-OGM (audio Vorbis) backup of your DVD, ready to be burned on a CD-R. |
| OGG Media Container is the new file format for multimedia developped by the Xiph.org Foundation <html://www.xiph.org/index.html> (but the common extention for the video files is .ogm. It is very similar to the common Microsoft AVI. It can store video with almost all video-codec, many different audio tracks, chapter info and many subtitles and is faster in the quick search. It can be read by all the common divx players for linux and windows. |
| The main difference between OGM and AVI is that the new format can store audio with OGG VORBIS codec. With this codec you can decrease the bitrate of your movies (I use 64 kbps), saving space to increase the video bitrate. |
| Ogmencoder is completely automatic. Basically, All you have to do is to insert the DVD in your device and indicate how many cd-r you want to use launching the program. |
| ogmencoder uses mplayer/mencoder to encode the video. This guys have developped a codec called lavc that is fully compatible with DivX decoders and gives a video quality similar to DivX 5.x and XVID. |
| The audio is encoded with the codec VORBIS by transcode |
| Obviously you need these two programs installed and working in order to use ogmencoder. |
| For further information: |
| mplayer/mencoder: http://www.mplayerhq.hu/homepage/ |
| transcode: http://www.theorie.physik.uni-goettingen.de/~ostreich/transcode/ |
| -i <filename> (-input) |
| If you want to encode a file and not a DVD you have to use this option. |
| -T title_number (-title) |
| Disable the automatic DVD test and specify the DVD Title to encode. |
| -numcd <value> |
| Specify the number of the cdrs to use (Default 1) |
| -o movie.ogm (-output) |
| Specify the final output file name. |
| -info |
| Probe the DVD or the file, display the results, but don't start encoding. It's better to use this options, before the backup. |
| -try |
| Test the setting encoding 10'' in the middle of the movie. |
| Create a bash file with the commands, but not start the encoding. |
| -h (-help) |
| Display the options. |
| -avi |
| Create an AVI file with audio mp3 cbr, instead of the OGM file. |
| Problems with the seek, more bitrate needed for audio track, no double language, but no problem with audio sync. Now you can choose! |
| -m <mode> |
| Specify the encoding mode. Currently two methods are supported: |
| bighd : rip enterely the dvd before start encoding (default) |
| direct: direct from dvd encoding |
| -cache |
| This option enables the cache that save your dvdreader from a very hard work. |
| Unfortunately the program that this option uses is NOT YET working. Using this option you will obtain a single OGM file for each chapter, but not a whole file. You have to manually merge these files. |
| -q <ogg-quality> (-ogg-quality) |
| Specify the quality of the Vorbis audio (default quality 0 [64 kbps 2Ch 44.1 kHz]) |
| -bitvideo <video_bitrate) |
| Specify your own video bitrate, disabling the fit-to-cd facility. |
| -double |
| Enable the two-pass video encoding. This option permits to have a better quality, but spends the double of the time. |
| -force |
| Disable the minimum video bitrate check. |
| -a xx (EX. en,fr,de,it,es,etc.) |
| Specify the audio track to encode. |
| -a2 xx |
| Specify the optional second audio track. |
|
The main bug is a problem with the audio sincrony. Send your complete bug reports to my mail address <clbarc@inwind.it>. |
| Claudio Barca <clbarc@inwind.it> |
| Ogmencoder is (C) 2002 |
Use only at your own risk! There may be errors and inaccuracies that could be damaging to your system or your eye. Proceed with caution, and although this is highly unlikely, the author doesn't take any responsibility for that!