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:
     Ɓukasz Czech <lukaszc...@wp.pl>
     Xu Fulong <839789...@qq.com>

Thank you for providing review comments:
     Ronald S. Bultje <rsbul...@gmail.com>
     James Almer <jamr...@gmail.com>
     Andreas Rheinhardt <andreas.rheinha...@outlook.com>

Co-authored-by: Xu Mu <tox...@outlook.com>
Co-authored-by: Frank Plowman <p...@frankplowman.com>
Co-authored-by: Shaun Loo <shaunlo...@gmail.com>
Co-authored-by: Wu Jianhua <toq...@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
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