Re: [FFmpeg-devel] [PATCH v5 14/14] vvcdec: add full vvc decoder

[Nuo Mi <nuomi2021@gmail.com>]

On Sun, Nov 12, 2023 at 6:36 PM Nuo Mi <nuomi2021@gmail.com> 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 i7-12700 (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 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
>
> Contributors(based on code merge order):
>     Nuo Mi <nuomi2021@gmail.com>
>     Xu Mu <toxumu@outlook.com>
>     frankplow <post@frankplowman.com>
>     Shaun Loo <shaunloo10@gmail.com>
> ---
>  libavcodec/vvc/vvcdec.c | 1007 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 1007 insertions(+)
>

changes since v4/v3:
*  Use  FFRefStructPool and RefStruct
*  ~10% multi thread performance improvement on i7-12700
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