Editing Ogg (section)

===OGM===
In 2002, the lack of formal video support in Ogg resulted in the development of the ''OGM'' file format, a hack on Ogg that allowed embedding of video from the Microsoft [[DirectShow]] framework into an Ogg-based wrapper. OGM was initially supported only by closed source Windows-only tools, but the codebase was subsequently opened. Later, video (and subtitle) support were formally specified for Ogg but in a manner incompatible with OGM. Independently, the [[Matroska]] container format reached maturity and provided an alternative for people interested in combining Vorbis audio and arbitrary video codecs. As a result, OGM is no longer supported or developed and is formally discouraged by Xiph.org.<ref>{{cite web|url=http://www.xiph.org/container/ogm.html |title=OGM is not Ogg. Xiph.org does not support OGM. |publisher=Backup at WayBack Machine |date=2004-07-07 |url-status=unfit |archive-url=https://web.archive.org/web/20120317061837/http://www.xiph.org/container/ogm.html |archive-date=March 17, 2012 }}</ref> Today, video in Ogg is found with the .ogv file extension, which is formally specified and officially supported. Software and codecs that support .ogm files are available without charge.<ref>{{cite web |url=https://www.codecguide.com/klcp_ability_comparison.htm |title=K-Lite Codec Pack: Comparison of abilities and supported file formats |website=Codec Guide |access-date=16 March 2018 |archive-date=16 March 2018 |archive-url=https://web.archive.org/web/20180316214632/https://www.codecguide.com/klcp_ability_comparison.htm |url-status=live }}</ref>