Motion is a program that monitors the video signal from one or more cameras and is able to detect if a significant part of the picture has changed. Or in other words, it can detect motion.
The documentation for Motion is contained within the file motion_guide.html.
The offline version of this file is available in the doc/motion directory. The online version of the motion_guide.html file can be viewed here
In addition to the detailed building instructions included within the guide, the INSTALL file contains abbreviated building instructions.
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We prefer support through the mailing list because more people will have the benefit from the answers. A archive of mailing list discussions can be viewed here
Motion is mainly distributed under the GNU GENERAL PUBLIC LICENSE (GPL) version 2 or later. See the copyright file for a list of all the licensing terms of the various components of Motion.
The file CREDITS lists the many people who have contributed to Motion over the years.
Issues and Patches should be submitted via github and include detail descriptions of the issue being addressed as well as any documentation updates that would be needed with the change.