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

Nuo Mi nuomi2021 at gmail.com
Sat Nov 25 04:24:50 EET 2023


On Sun, Nov 12, 2023 at 6:48 PM Nuo Mi <nuomi2021 at gmail.com> wrote:

>
>
> On Sun, Nov 12, 2023 at 6:36 PM Nuo Mi <nuomi2021 at 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 at gmail.com>
>>     Xu Mu <toxumu at outlook.com>
>>     frankplow <post at frankplowman.com>
>>     Shaun Loo <shaunloo10 at 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
>

Hi all,
If there are no objections within the next week, I will request a merge
thank you


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