libvpx yellow billed duck v1.17.0-rc1

[Jerome Jiang]

Hello,

Yellow Billed Duck v1.17.0-rc1 has been tagged[1]. Please help testing and report issues[2].
This release is ABI incompatible with the previous release.

Thanks.

[1]https://chromium.googlesource.com/webm/libvpx/+/refs/tags/v1.17.0-rc1
[2]https://g-issues.webmproject.org/issues/new?component=1615215&template=2023762

Changelog:

2026-06-09 v1.17.0 "Yellowbilled Duck"
  This release includes a new encoder control to validate high bitdepth input,
  additional Neon and AVX2/AVX512 optimizations, support for the C11 standard,
  and numerous bug fixes.

  - Upgrading:
    This release is ABI compatible with the previous release.

    ISO C11 standard is now enforced for C files.

    SVC is now strictly disallowed for 2-pass encoding; enabling it will return
    VPX_CODEC_INVALID_PARAM.

    VP9 High Bitdepth (HBD) input validation is now enabled by default. If the
    input contains values outside the valid range, the encoder will return
    VPX_CODEC_INVALID_PARAM. Use the new VP9E_SET_VALIDATE_HBD_INPUT control
    (or vpxenc --validate-hbd-input=0) to disable this validation.

    VP9 now sets the returned image width (w) and height (h) to the actual
    width and height, rather than the stride and aligned height. This is a
    behavior change that may affect applications relying on w being equal to the
    stride or h being the aligned height.

    Strict validation has been added to some APIs:
    - Encoders (VP8/VP9) now reject input images with unequal U and V strides.
    - vpx_img_alloc() and vpx_img_wrap() now strictly validate the image format.
    - External rate control (RTC) API now validates configuration inputs.
    - VP9 SVC now validates spatial layer ID input.

  - Enhancement:

    Added Arm Neon DotProd subpel variance paths.

    Optimized Neon HBD sadx4d and sad_skipx4d functions.

    Added AVX2/AVX512 implementations for various vpx_highbd predictor functions.

    Added support for MSVC v145 (Visual Studio 2026).

    Added configure option --disable-x86-asm.

  - Bug fixes:

    Fix to heap buffer overflow / out-of-bounds write in vp9_postproc,
    vp8-multi-res-encoding, vpx_setup_noise, set_mb_ssim_rdmult_scaling,
    vp9_change_config (resolution change), vp9_dec_alloc_row_mt_mem (decode
    coeffs), and vp8_sixtap_predict (LoongArch).

    Fix to integer overflow in vp9-svc (layer resolution, duration),
    set_mb_ssim_rdmult_scaling, vp8_encode_frame, calc_pframe_target_size,
    y4minput buffer size calculations, and get_token_alloc.

    Fix to VP8 decoder crash on flush with no fragments.
    Fix to VP8 decoder potential hang/slowdown with corrupt partition 0 size.
    Fix to VP9 decoder crash with invalid reference frame index.
    Fix to VP9 highbitdepth encoder format mismatch.

    Fix to VP9 float-to-int overflow in validate_config (EOS count) and with
    zero bitrate.

    Fix to crash/undefined behavior in vpx_img_flip with formats without alpha.