Sync libvpx 1.0.0-1 (main) from Debian unstable (main)

This leads to a small transition, have you checked if the packages affected by this would need some port?

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No, I just trusted the upstream changelog:

  - Upgrading:
      This release is ABI incompatible with prior releases of libvpx, so the
      "major" version number has been bumped to 1. You must recompile your
      applications against the latest version of the libvpx headers. The
      API remains compatible, and this should not require code changes in most
      applications.

Yes, it is so, although the sync request looks clean (and I'm re-subscribing the sponsors team for this) we need to figure out which packages need to rebuild once the sync is done though.
Could you provide a list of reverse dependencies?

A good list (but not exhaustive) is provided:

libav
libav-extra
gst-plugins-bad0.10
sludge

This bug was fixed in the package libvpx - 1.0.0-1

---------------
libvpx (1.0.0-1) unstable; urgency=low

  * New upstream release, "Duclair":
    + debian/libvpx1.install,
      debian/libvpx1.symbols,
      debian/control,
      debian/rules:
      - Update for new soname.

 -- Sebastian Dröge <email address hidden> Wed, 01 Feb 2012 09:50:13 +0100

Fabio, sorry for the wrong attribution, I forgot to use the syncpackage's -s option.

Here we have a few of packages to rebuild, if you attach here the diffs, I'll sponsor them (if clean of course) as soon as possibile.

This bug was fixed in the package libav - 4:0.8-1ubuntu2

---------------
libav (4:0.8-1ubuntu2) precise; urgency=low

  * No-change rebuild to pick libvpx's new shlibs. (LP: #926580)
 -- Alessio Treglia <email address hidden> Thu, 09 Feb 2012 08:50:07 +0100

This bug was fixed in the package libav-extra - 4:0.8.0.1build1

---------------
libav-extra (4:0.8.0.1build1) precise; urgency=low

  * No-change rebuild to pick libvpx's new shlib. (LP: #926580)
 -- Alessio Treglia <email address hidden> Thu, 09 Feb 2012 09:03:13 +0100

This bug was fixed in the package gst-plugins-bad0.10 - 0.10.22-2ubuntu6

---------------
gst-plugins-bad0.10 (0.10.22-2ubuntu6) precise; urgency=low

  * No-change rebuild to pick libvpx's new shlib. (LP: #926580)
 -- Alessio Treglia <email address hidden> Thu, 09 Feb 2012 09:15:02 +0100

This bug was fixed in the package sludge - 2.1.2-3build1

---------------
sludge (2.1.2-3build1) precise; urgency=low

  * No-change rebuild to pick libvpx's new shlibs. (LP: #926580)
 -- Alessio Treglia <email address hidden> Thu, 09 Feb 2012 12:23:43 +0100

This bug was fixed in the package avidemux - 1:2.5.4-0ubuntu11

---------------
avidemux (1:2.5.4-0ubuntu11) precise; urgency=low

  * No-change rebuild to pick libvpx's new shlib. (LP: #926580)
 -- Alessio Treglia <email address hidden> Thu, 09 Feb 2012 15:38:52 +0100