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Cinelerra is a free and open source software non-linear video editing system. It is designed for the Linux operating system, but has also been successfully ported to Mac OS X. It is produced by Heroine Virtual, and is distributed under the GNU General Public License. more...
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Cinelerra also includes a video compositing engine, allowing the user to perform common compositing operations such as keying and mattes.
Cinelerra was first released August 1, 2002, and was based in part on an earlier product known as Broadcast 2000. Broadcast 2000 was withdrawn by Heroine Virtual in September 2001.
As a professional editing program, Cinelerra requires significant computing power.
Notable features
Cinelerra includes support for very high-fidelity audio and video: it processes audio using 64 bits of precision, and can work in both RGBA and YUVA color spaces, using floating-point and 16-bit integer representations, respectively. It is resolution and frame rate-independent, meaning that it can support video of any speed and size.
Other features may be found on its features list.
Cinelerra interface
Cinelerra's interface is similar to that of other nonlinear video-editing systems, such as Adobe Premiere Pro. However, because it includes a compositing engine, it may also be likened to compositing software such as Adobe After Effects or Shake. The user is presented with four screens:
The timeline, which gives the user a time-based view of all video and audio tracks in the project, as well as keyframe data for e.g. camera movement, effects, or opacity;;
the viewer, which gives the user a method of "scrubbing" through footage;;
the resource window, which presents the user with a view of all audio and video resources in the project, as well as available audio and video effects and transitions; and;
the compositor, which presents the user with a view of the final project as it would look when rendered. The compositor is interactive in that it allows the user to adjust the positions of video objects; it also updates in response to user input.;
Cinelerra's interface is frequently criticized because it does not conform to either GNOME or KDE Human interface guidelines.
Cinelerra usage and awards
Cinelerra has gained ground among some GNU/Linux enthusiasts looking for a native video editing system. Professional use is mostly promoted by Linux Media Arts, which sells Cinelerra as part of an integrated hardware and software package for video production.
Read more at Wikipedia.org
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