libvpx-1.9.0

[Bruce Dubbs]

New minor version.

[Xi Ruoyao]

1.9.0 is not released yet. Now it's 1.9.0-rc1.

[Douglas R. Reno]

Now 1.9.0

[Douglas R. Reno]

2020-07-29 v1.9.0 "Quacking Duck"
  This release adds support for NV12, a separate library for rate control, as
  well as incremental improvements.

  - Upgrading:
    NV12 support is added to this release.
    A new interface is added for VP9 rate control. The new library libvp9rc.a
    must be linked by applications.
    Googletest is updated to v1.10.0.
    simple_encode.cc is compiled into a new library libsimple_encode.a with
    CONFIG_RATE_CTRL.

  - Enhancement:
    Various changes to improve VP9 SVC, rate control, quality and speed to real
    time encoding.

  - Bug fixes:
    Fix key frame update refresh simulcast flexible svc.
    Fix to disable_16x16part speed feature for real time encoding.
    Fix some signed integer overflows for VP9 rate control.
    Fix initialization of delta_q_uv.
    Fix condition in regulate_q for cyclic refresh.
    Various fixes to dynamic resizing for VP9 SVC.

[Douglas R. Reno]

A test suite is now available! It can be run with 'make test'. Note that it has to download some external files though, and it uses cURL for that. I'll add cURL to the optional dependencies list for tests, get some timings, and put the test suite documentation in place.

[Douglas R. Reno]

Fixed at r23444