C code upstream review #79
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nuomi2021
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The executor design pattern was inroduced by java <https://docs.oracle.com/en/java/javase/20/docs/api/java.base/java/util/concurrent/Executor.html> it also adapted by python <https://docs.python.org/3/library/concurrent.futures.html> Compared to handcrafted thread pool management, it greatly simplifies the thread code.
add Context-based Adaptive Binary Arithmetic Coding (CABAC) decoder
This is the main entry point for the CTU (Coding Tree Unit) decoder. The code will divide the CTU decoder into several stages. It will check the stage dependencies and run the stage decoder.
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:
+ C code only
+ Support I, P, B frames, 8/10 bits, chroma 400,420, 422, and 444,
+ Support VVC new tools like MIP, CCLM, AFFINE, GPM, DMVR, PROF, BDOF, LMCS, ALF
+ 211 conformace clips passed
- Not support RPR, IBC, PALETTE, and other minor features yet.
Performance on i7-12700:
RitualDance_1920x1080_60_10_420_37_RA.266 122 FPS
Tango2_3840x2160_60_10_420_27_LD.266 23 FPS
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>
|
replaced by #108 |
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Features:
+ C code only
+ Support I, P, B frames, 8/10 bits, chroma 400,420, 422, and 444,
+ Support VVC new tools like MIP, CCLM, AFFINE, GPM, DMVR, PROF, BDOF, LMCS, ALF
+ 211 conformace clips passed
- Not support RPR, IBC, PALETTE, and other minor features yet.
Performance on i7-12700:
based on dc96762
all commits will be squashed to one when I send it upstream.