Opus 1.1.1-rc release

Source of draft-ietf-codec-oggopus-06.

Source of draft-ietf-codec-opus-05

Opus 1.1.1-beta release

Source of draft-ietf-codec-oggopus-04

Source for draft-ietf-codec-oggopus-03.

Tagged retroactively when working on the 04 draft.

This revision of doc/draft-ietf-codec-oggopus.xml was submitted

to become https://tools.ietf.org/html/draft-ietf-codec-oggopus-02

This version of doc/draft-ietf-codec-oggopus.xml was submittted

to become https://tools.ietf.org/html/draft-ietf-codec-oggopus-01

Opus 1.1

Same as 1.1-rc3, but bumped soname

Opus 1.1 release candidate 3

Fixed-point fixes: intensity stereo, OPUS_SET_GAIN, and Opus-custom