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contrib: libvpx: update to 1.14.0

Tristan Matthews requested to merge tmatth/vlc:contrib/libvpx-1.14.0 into master

This release drops support for old C compilers, such as Visual Studio 2012 and older, that disallow mixing variable declarations and statements (a C99 feature). It adds support for run-time CPU feature detection for Arm platforms, as well as support for darwin23 (macOS 14).

  • Upgrading: This release is ABI incompatible with the previous release.

    Various new features for rate control library for real-time: SVC parallel encoding, loopfilter level, support for frame dropping, and screen content.

    New callback function send_tpl_gop_stats for vp9 external rate control library, which can be used to transmit TPL stats for a group of pictures. A public header vpx_tpl.h is added for the definition of TPL stats used in this callback.

    libwebm is upgraded to libwebm-1.0.0.29-9-g1930e3c.

  • Enhancement: Improvements on Neon optimizations: VoD: 12-35% speed up for bitdepth 8, 68%-151% speed up for high bitdepth. Improvements on AVX2 and SSE optimizations. Improvements on LSX optimizations for LoongArch. 42-49% speedup on speed 0 VoD encoding. Android API level predicates.

  • Bug fixes:

    • Fix to missing prototypes from the rtcd header.
    • Fix to segfault when total size is enlarged but width is smaller.
    • Fix to the build for arm64ec using MSVC.
    • Fix to copy BLOCK_8X8's mi to PICK_MODE_CONTEXT::mic.
    • Fix to -Wshadow warnings.
    • Fix to heap overflow in vpx_get4x4sse_cs_neon.
    • Fix to buffer overrun in highbd Neon subpel variance filters.
    • Added bitexact encode test script.
    • Fix to -Wl,-z,defs with Clang's sanitizers.
    • Fix to decoder stability after error & continued decoding.
    • Fix to mismatch of VP9 encode with NEON intrinsics with C only version.
    • Fix to Arm64 MSVC compile vpx_highbd_fdct4x4_neon.
    • Fix to fragments count before use.
    • Fix to a case where target bandwidth is 0 for SVC.
    • Fix mask in vp9_quantize_avx2,highbd_get_max_lane_eob.
    • Fix to int overflow in vp9_calc_pframe_target_size_one_pass_cbr.
    • Fix to integer overflow in vp8,ratectrl.c.
    • Fix to interger overflow in vp9 svc.
    • Fix to avg_frame_bandwidth overflow.
    • Fix to per frame qp for temporal layers.
    • Fix to unsigned integer overflow in sse computation.
    • Fix to uninitialized mesh feature for BEST mode.
    • Fix to overflow in highbd temporal_filter.
    • Fix to unaligned loads w/w==4 in vpx_convolve_copy_neon.
    • Skip arm64_neon.h workaround w/VS >= 2019.
    • Fix to c vs avx mismatch of diamond_search_sad().
    • Fix to c vs intrinsic mismatch of vpx_hadamard_32x32() function.
    • Fix to a bug in vpx_hadamard_32x32_neon().
    • Fix to Clang -Wunreachable-code-aggressive warnings.
    • Fix to a bug in vpx_highbd_hadamard_32x32_neon().
    • Fix to -Wunreachable-code in mfqe_partition.
    • Force mode search on 64x64 if no mode is selected.
    • Fix to ubsan failure caused by left shift of negative.
    • Fix to integer overflow in calc_pframe_target_size.
    • Fix to float-cast-overflow in vp8_change_config().
    • Fix to a null ptr before use.
    • Conditionally skip using inter frames in speed features.
    • Remove invalid reference frames.
    • Disable intra mode search speed features conditionally.
    • Set nonrd keyframe under dynamic change of deadline for rtc.
    • Fix to scaled reference offsets.
    • Set skip_recode=0 in nonrd_pick_sb_modes.
    • Fix to an edge case when downsizing to one.
    • Fix to a bug in frame scaling.
    • Fix to pred buffer stride.
    • Fix to a bug in simple motion search.
    • Update frame size in actual encoding.

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