Packages with the postproc use flag

media-libs / libvpx : WebM VP8 and VP9 Codec SDK

  • Enable additional post processing filters

media-video / ffmpeg : Complete solution to record/convert/stream audio and video. Includes libavcodec

  • Build and install libpostproc.

media-video / transcode : Utilities for transcoding video and audio codecs in different containers

  • Build with ffmpeg libpostproc support