[opus] Opus 1.2-alpha

[Peter Robinson]

On Thu, Nov 3, 2016 at 7:59 PM, Jean-Marc Valin <jmvalin at mozilla.com> wrote:
> Hi everyone,
>
> I've just released Opus 1.2-alpha. It comes with many improvements,
> including:
> - Speech quality improvements especially in the 12-20 kbit/s range
> - Improved VBR encoding for hybrid mode
> - More aggressive use of wider speech bandwidth, including fullband
> speech starting at 14 kbit/s
> - Music quality improvements in the 32-48 kb/s range
> - Generic and SSE CELT optimizations
> - Support for directly encoding packets up to 120 ms
> - DTX support for CELT mode
> - SILK CBR improvements
> - Support for all of the fixes in draft-ietf-codec-opus-update-04 (the
> mono downmix and the folding fixes need --enable-update-draft)
> - Many bug fixes, including integer overflows discovered through fuzzing
> (no security implications)
>
> Please give it a try and report any bugs so we can fix them. There are
> no known regressions compared to the latest stable release (1.1.3), but
> given the large number of changes, it’s possible some bugs have slipped
> through.

I've pushed this to Fedora 26/rawhide with the --enable-update-draft
option enabled to get some wider testing.

Peter