libvpx v1.11.0 Smew Duck Finalized

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Jerome Jiang

Oct 7, 2021, 2:31:14 PM10/7/21
to Jerome Jiang
Hello everyone,

libvpx v1.11.0 Smew Duck is finalized. Here is the release note.


Release Note

This maintenance release adds support for VBR mode in VP9 rate control interface, new codec controls to get quantization parameters and loop filter levels, and includes several  improvements to NEON and numerous bug fixes. This release is available from the git repository and the v1.11.0 tarball along with the asc file.
  • Upgrading:
    • New codec control is added to get quantization parameters and loop filter levels.
    • VBR mode is supported in the VP9 rate control library.
  • Enhancement:
    • Numerous improvements for Neon optimizations.
    • Code clean-up and refactoring.
    • Calculation of rd multiplier is changed with BDRATE gains.
  • Bug fixes:
    • Fix to overflow on duration.
    • Fix to several instances of -Wunused-but-set-variable.
    • Fix to avoid chroma resampling for 420mpeg2 input.
    • Fix to overflow in calc_iframe_target_size.
    • Fix to disallow skipping transform and quantization.
    • Fix some -Wsign-compare warnings in simple_encode.
    • Fix input file path in simple_encode_test.
    • Fix valid range for under/over_shoot pct.
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