Ntọhapụ nke rav1e 0.2, ihe ntinye koodu AV1 na nchara

Dị mwepụta rav1e 0.2, ihe mkpuchi vidiyo na-arụ ọrụ dị elu AV1, nke ndị obodo Xiph na Mozilla mepụtara. Edere koodu ahụ n'ime nchara wee dị iche na nrụtụ aka libaom koodu site n'ịbawanye ọsọ nbanye na nlebara anya na nchekwa. Koodu oru ngo kesara site n'okpuru ikikere BSD.

A na-akwado atụmatụ AV1 niile, gụnyere nkwado
okpokolo agba etinyere n'ime na mpụga (intra- и inter-frames), 64x64 superblocks, 4:2:0, 4:2:2 na 4:4:4 chroma subsampling, 8-, 10- na 12-bit agba nzuzo, RDO (Rate-distortion optimization) njikarịcha mma, ụdịdị dị iche iche maka ịkọ mgbanwe mgbanwe interframe na ịchọpụta mgbanwe, na-achịkwa ọnụego nrịba na ịchọpụta mkpọmkpọ ebe.

A na-ahụta usoro AV1 Ugwu x264 na libvpx-vp9 n'ihe gbasara ọkwa mkpakọ, mana n'ihi mgbagwoju anya nke algọridim. ọ na-achọ oge dị ukwuu maka itinye koodu (na ntinye koodu, libaom bụ ọtụtụ narị ugboro n'azụ libvpx-vp9, yana ọtụtụ puku ugboro n'azụ x264).
The rav1e encoder na-enye ọkwa arụmọrụ 11, nke kachasị elu na-ebuga nso ọsọ ntinye koodu ozugbo. Ihe ngbanwe ahụ dị ma dị ka akụrụngwa ahịrị iwu yana dịka ọba akwụkwọ.

Na ụdị ọhụrụ:

• Emeela ihe kachasị mma nke mụbara arụmọrụ site na 40% -70% ma e jiri ya tụnyere mwepụta mbụ (dabere na ntọala ntinye);
• Agbakwunyela nhọrọ "serialize" na cli interface maka serializing na deserializing encoding parameters;
• Agbakwunyere ọgbọ nke nbibi ozi na dwarf usoro;
• Agbakwunyela ọkọlọtọ "--benchmark" na cli maka macOS na Linux;
• Agbakwunyere ikike ịhazi nkebi site na iji nhọrọ SpeedSetting (nwere nkwarụ na ndabara n'ihi na ọ nwere ike ibute desynchronization).

isi: opennet.ru