[FFmpeg-devel] [PATCH v9 13/13] vvcdec: add vvc decoder

[James Almer]

On 1/1/2024 11:12 AM, Nuo Mi wrote:
> vvc decoder plug-in to avcodec.
> split frames into slices/tiles and send them to vvc_thread for further decoding
> reorder and wait for the frame decoding to be done and output the frame
> 
> Features:
>      + Support I, P, B frames
>      + Support 8/10/12 bits, chroma 400, 420, 422, and 444 and range extension
>      + Support VVC new tools like MIP, CCLM, AFFINE, GPM, DMVR, PROF, BDOF, LMCS, ALF
>      + 295 conformace clips passed
>      - Not support RPR, IBC, PALETTE, and other minor features yet
> 
> Performance:
>      C code FPS on an i7-12700K (x86):
>          BQTerrace_1920x1080_60_10_420_22_RA.vvc      93.0
>          Chimera_8bit_1080P_1000_frames.vvc          184.3
>          NovosobornayaSquare_1920x1080.bin           191.3
>          RitualDance_1920x1080_60_10_420_32_LD.266   150.7
>          RitualDance_1920x1080_60_10_420_37_RA.266   170.0
>          Tango2_3840x2160_60_10_420_27_LD.266         33.7
> 
>      C code FPS on a M1 Mac Pro (ARM):
>          BQTerrace_1920x1080_60_10_420_22_RA.vvc     58.7
>          Chimera_8bit_1080P_1000_frames.vvc          153.3
>          NovosobornayaSquare_1920x1080.bin           150.3
>          RitualDance_1920x1080_60_10_420_32_LD.266   105.0
>          RitualDance_1920x1080_60_10_420_37_RA.266   133.0
>          Tango2_3840x2160_60_10_420_27_LD.266        21.7
> 
>      Asm optimizations still working in progress. please check
>      https://github.com/ffvvc/FFmpeg/wiki#performance-data for the latest
> 
> Thank you for reporting issues and providing performance reports:
>      Łukasz Czech <lukaszcz18 at wp.pl>
>      Xu Fulong <839789740 at qq.com>
> 
> Thank you for providing review comments:
>      Ronald S. Bultje <rsbultje at gmail.com>
>      James Almer <jamrial at gmail.com>
>      Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> 
> Co-authored-by: Xu Mu <toxumu at outlook.com>
> Co-authored-by: Frank Plowman <post at frankplowman.com>
> Co-authored-by: Shaun Loo <shaunloo10 at gmail.com>
> Co-authored-by: Wu Jianhua <toqsxw at outlook.com>
> ---
>   Changelog               |    1 +
>   configure               |    1 +
>   libavcodec/allcodecs.c  |    1 +
>   libavcodec/version.h    |    2 +-
>   libavcodec/vvc/Makefile |    3 +-
>   libavcodec/vvc/vvcdec.c | 1017 +++++++++++++++++++++++++++++++++++++++
>   6 files changed, 1023 insertions(+), 2 deletions(-)
>   create mode 100644 libavcodec/vvc/vvcdec.c

There's a bunch of use of uninitialized values reported by valgrind

http://fate.ffmpeg.org/report.cgi?slot=x86_64-archlinux-gcc-valgrind&time=20240105201935