Gentoo Packages

media-libs/libvpx: Enable additional post processing filters
media-tv/kodi: Use bundled libpostproc to postprocess and deinterlace video
media-video/ffmpeg: Enable libpostproc video post processing library support (should not disable this unless need to disable USE=gpl)
media-video/ffmpeg-compat: Enable libpostproc video post processing library support (should not disable this unless need to disable USE=gpl)
media-video/vlc: Enable image post-processing via libpostproc (part of FFmpeg)

media-libs/libvpx: Enable additional post processing filters
media-tv/kodi: Use bundled libpostproc to postprocess and deinterlace video
media-video/ffmpeg: Enable libpostproc video post processing library support (should not disable this unless need to disable USE=gpl)
media-video/ffmpeg-compat: Enable libpostproc video post processing library support (should not disable this unless need to disable USE=gpl)

Warning: USE flag 'postproc' is used in ebuilds/metadata but is not defined in profiles/use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
media-video/vlc	-	Enable image post-processing via libpostproc (part of FFmpeg)
media-libs/libvpx	Enable additional post processing filters	Enable additional post processing filters
media-tv/kodi	Use bundled libpostproc to postprocess and deinterlace video	Use bundled libpostproc to postprocess and deinterlace video
media-video/ffmpeg	Enable libpostproc video post processing library support (should not disable this unless need to disable USE=gpl)	Enable libpostproc video post processing library support (should not disable this unless need to disable USE=gpl)
media-video/ffmpeg-compat	Enable libpostproc video post processing library support (should not disable this unless need to disable USE=gpl)	Enable libpostproc video post processing library support (should not disable this unless need to disable USE=gpl)

USE Flag: postproc