- Icecast protocol
- ported lenscorrection filter from frei0r filter
- large optimizations in dctdnoiz to make it usable
-- request icecast metadata by default
+- request Icecast metadata by default
- support for using metadata in stream specifiers in fftools
+- LZMA compression support in TIFF decoder
+- support for H.261 RTP payload format (RFC 4587)
+- HEVC/H.265 RTP payload format (draft v6) depacketizer
+- added codecview filter to visualize information exported by some codecs
+- Matroska 3D support thorugh side data
+- HTML generation using texi2html is deprecated in favor of makeinfo/texi2any
version 2.3:
- libbs2b-based stereo-to-binaural audio filter
- libx264 reference frames count limiting depending on level
- native Opus decoder
-- display matrix export and rotation api
+- display matrix export and rotation API
- WebVTT encoder
- showcqt multimedia filter
- zoompan filter
- libx265 encoder
- dejudder filter
- Autodetect VDA like all other hardware accelerations
+- aliases and defaults for Ogg subtypes (opus, spx)
version 2.1: