Ubuntu is composed of many software packages, the vast majority of which are distributed under a free software license. The only exceptions are some proprietary hardware drivers.The main license used is the GNU General Public License (GNU GPL) which, along with the GNU Lesser General Public License (GNU LGPL), explicitly declares that users are free to run, copy, distribute, study, change, develop and improve the software. On the other hand, there is also proprietary software available that can run on Ubuntu. Ubuntu focuses on usability, security and stability. The Ubiquity installer allows Ubuntu to be installed to the hard disk from within the Live CD environment, without the need for restarting the computer prior to installation. Ubuntu also emphasizes accessibility and internationalization to reach as many people as possible.
DVswitch is a digital video mixer intended for interactive live mixing of several incoming DV video streams.
Above you see the main mixer screen and 4
live sources: audio, presenter, audience, projector.
It was originally designed for the needs of DebConf. It has now been used for various other conferences, meetings and live musical performances.
Currently DVswitch can combine audio from one source with video from another and can combine two video streams with a picture-in-picture effect. Further mixing effects are planned. It works solely with the DV format since it is widely supported by camcorders and it allows for low latency display and cutting.
DVswitch was presented at FOSDEM in 2009; see the slides or the video.
If you want to see videos made with DVswitch, go to examples
Getting started. Download from Alioth. Or, if you're running Debian unstable, "apt-get install dvswitch".
Then see the README file (doc/README or /usr/share/doc/dvswitch/README.gz).
Docs - Overviews and tutorials for Producing videos
Getting involved.
- Project information - Source code, feature requests, issue tracker, etc.
- Git repository: browse or clone from git://git.debian.org/git/dvswitch/dvswitch.git
- The stable branch is '0.8.x'
- The 'master' (development) branch requires the liveMedia library, version 2010.01.15 or later
- Mailing list
- IRC: #dvswitch on irc.debian.org
- To-do list
- Internals
Screenshots.
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