[Bug 1771981] Re: Sync opus 1.3~beta+20180518-1 (main) from Debian sid (main)

[Jeremy Bicha]

Matthias, since you've done "recent" merges for this package, what do
you think about syncing here?

** Tags added: cosmic upgrade-software-version

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Title:
  Sync opus 1.3~beta+20180518-1 (main) from Debian sid (main)

Status in opus package in Ubuntu:
  New

Bug description:
  Please sync opus 1.3~beta+20180518-1 (main) from Debian sid (main)

  Explanation of the Ubuntu delta and why it can be dropped:
    * Merge with Debian; remaining changes:
      - Convert to Debhelper 9 with a simpler rules file.
      - Build using dh-autoreconf.
      - Add a watch file.
      - debian/control: close some Lintian errors.
        - Pre-depend on multiarch-support.
        - Add ${misc:Depends} to package dependencies.
      - Convert to debian source format 3.0 (quilt).
      - Run the tests.

  This release brings a lot of quality improvemets since the very old 1.1.2
  upstream release in Ubuntu.

  The Debian changelog has this explanation about debian bug #810258, which had
  the Ubuntu changes being dropped.

    * Use dh compat 9, not because it actually brings anything new which we need
      here, but it hushes the increasingly insistent warnings about deprecated
      compat levels, and is a baseline supported by all of the releases we still
      need to be able to support.  I'm going to say this Closes: #810258, since
      the rest of the 'modernisation' there mostly isn't helpful.  We've already
      been running the tests since the very first release, we release directly
      from upstream git and maintain upstream patches there, so format 3(quilt)
      adds nothing but pain, and we have upstream build and install targets that
      are designed to cleanly separate the -arch specific and -indep components,
      so regressing to make those codependent isn't very appealing either.  It
      would have also broken support for building where m-a wasn't supported,
      though that's less of a problem today than it was previously.

  Thanks.

  Changelog entries since current cosmic version 1.1.2-1ubuntu1:

  opus (1.3~beta+20180518-1) unstable; urgency=medium

    * Fix the CELT input NaN test.

   -- Ron Lee <ron at debian.org>  Fri, 18 May 2018 05:04:27 +0930

  opus (1.3~beta+20180516-1) unstable; urgency=medium

    * Snapshot from 652c4559f593d3aad78bd5c85a216eeae7859429 as a preview of
      patches pending for the 1.3 release.  The main motivation for doing this
      now is to pull in the fix for the PLC regression introduced just before
      1.2~alpha2, which Closes: #898690, and to get some broader testing on the
      new hardening checks before flipping the switch to enable those by default
      upstream.
    * Fix celt_pitch_xcorr() ARM jump table compiling error for a bug introduced
      in 1.2-rc1.
    * Better rate allocation for stereo SILK in hybrid mode.
    * Add RNN for VAD and speech/music classification.
    * Fixing bandwidth detection for 24 kHz analysis.
    * Enable RFC 8251 changes by default.
    * Better tuning for low-bitrate music.
    * Don't set _FORTIFY_SOURCE and -fstack-protector as part of the packaging
      anymore, the upstream build system will add them where they are supported
      and needed now.
    * Build with --enable-hardening, which isn't related to the compile options
      above, but instead includes additional opus-specific runtime sanity checks
      which are cheap and certain enough to use in production builds.
    * Use dh compat 9, not because it actually brings anything new which we need
      here, but it hushes the increasingly insistent warnings about deprecated
      compat levels, and is a baseline supported by all of the releases we still
      need to be able to support.  I'm going to say this Closes: #810258, since
      the rest of the 'modernisation' there mostly isn't helpful.  We've already
      been running the tests since the very first release, we release directly
      from upstream git and maintain upstream patches there, so format 3(quilt)
      adds nothing but pain, and we have upstream build and install targets that
      are designed to cleanly separate the -arch specific and -indep components,
      so regressing to make those codependent isn't very appealing either.  It
      would have also broken support for building where m-a wasn't supported,
      though that's less of a problem today than it was previously.

   -- Ron Lee <ron at debian.org>  Thu, 17 May 2018 16:07:39 +0930

  opus (1.2.1-1) unstable; urgency=medium

    * Fixes a bug in surround encoding causing very bad quality on loud signals
      beyond a certain amplitude.
    * Speech quality improvements especially in the 12-24 kbit/s range.
    * Music quality improvements in the 32-48 kb/s range.
    * More aggressive use of wider speech bandwidth, including fullband speech
      starting at 14 kbit/s.
    * Improved VBR encoding for hybrid mode.
    * SILK CBR improvements.
    * DTX support for CELT mode.
    * Support for directly encoding packets up to 120 ms.
    * Improves quality on files with powerful tones that cause MDCT leakage.
    * Fixes for speech/music detection at the very beginning of files.
    * Fixes an issue where the encoder can misdetect that the signal is SWB
      instead of FB, lowpassing the signal.

   -- Ron Lee <ron at debian.org>  Thu, 28 Sep 2017 01:48:45 +0930

  opus (1.2~alpha2-1) unstable; urgency=medium

    * Run the tonality analysis at 24 kHz, which reduces complexity while giving
      better frequency resolution for the tonality estimate.
    * 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.
    * Ensure that NLSF cannot be negative when computing a min distance between
      them.  This was reported and fixed in July, and assessed as having only a
      relatively minor impact (garbage output, from the garbage input needed to
      trigger it), or at very worst, an assertion failure or simple crash from
      a slightly out of bounds read.  In December it was assigned CVE-2017-0381
      by someone other than the upstream developers, with claims of it being a
      'Critical' issue on Android, but we're yet to see any analysis to back
      that up.  Closes: #851612

   -- Ron Lee <ron at debian.org>  Fri, 20 Jan 2017 02:48:31 +1030

  opus (1.1.3-1) unstable; urgency=medium

    * Remove the generation date from the docs to improve reproducible builds.
      Closes: #825345
    * Fixes some corner cases with the soft clipper.
    * Improve CBR and some other issues seen with using crazy low rates.
    * More robustness fixes for reporting bad input.
    * More optimisations, mostly for ARM.
    * More precision fixes for edge cases.
    * Fixes to comfort noise generation.

   -- Ron Lee <ron at debian.org>  Thu, 27 Oct 2016 23:58:06 +1030

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