{"id":183432,"date":"2026-09-22T22:53:25","date_gmt":"2026-09-22T20:53:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/kompaniya-valve-predstavila-eksperimentalnyj-videokodek-pyrowave"},"modified":"2026-09-22T22:53:29","modified_gmt":"2026-09-22T20:53:29","slug":"valve-unveils-experimental-pyrowave-video-codec","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/valve-unveils-experimental-pyrowave-video-codec","title":{"rendered":"Ettev\u00f5te Valve tutvustas katsetatud videokoodekit Pyrowave","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Valve kuulutas v\u00e4lja, et Steam'i beetaversiooni klienti on lisatud Pyrowave videokoodek, mis on optimeeritud madala latentsusega video voogedastamiseks k\u00f5rge l\u00e4bilaskev\u00f5imega v\u00f5rkudes. Koodek on lisatud valikuna Steam Remote Play teenusesse, mis v\u00f5imaldab streamerida m\u00e4nguolekuid v\u00f5i edastada v\u00e4ljundi oma s\u00fcsteemile m\u00e4ngides teistel seadmetel. Linux'i versioonis on koodek saadaval, kui aktiveerida SteamRT3 re\u017eiimi seadetest. Koodeki rakendamine on kirjutatud C++ keeles ja levitatakse MPL litsentsi alusel.     <\/p>\n<p>Koodek toetab ainult iga kaadri eraldi kodeerimist (intra-only), s\u00f5ltumatult naaberkadritest (k\u00f5ik kaadrid on v\u00f5tme-kaadrid, vahekaadrilisest kompressioonist ei kasutata). Selline l\u00e4henemine v\u00f5imaldab saavutada v\u00e4ga k\u00f5rget pildikvaliteedi \u00fcleandmise t\u00e4psust ja v\u00e4ltida artefaktide teket liikumise ja terava tausta muutumise korral. Piltide kodeerimisel kasutatakse diskreetset wavelet' transformatsiooni CDF 9\/7 filtriga, sarnaselt JPEG2000 formaadiga, ja triviaalset entropiakodeerimist, mis v\u00f5imaldab t\u00f5husalt jagada arvutusi.    <\/p>\n<p>Koodek on v\u00e4ga n\u00f5udlik sidekanali l\u00e4bilaskev\u00f5ime osas \u2014 v\u00f5rreldes teiste voogedastuse koodekitega n\u00f5uab Pyrowave 5-10 korda rohkem andmemahtu. Soovitatav on kasutada koodekit kohaliku voogedastuse ja m\u00e4ngude ligip\u00e4\u00e4suks, mis on \u00fchendatud gigabit Etherneti portidega. Vaikimisi valitakse bitikiirus automaatselt vastavalt sisule, kuid v\u00f5rgu piiratud l\u00e4bilaskev\u00f5ime korral on seadistus, mis v\u00f5imaldab seada bitikiirusel \u00fclemise piiri (lubatud v\u00e4\u00e4rtused vahemikus 100 kuni 500 Mbit\/s).            <\/p>\n<p>Pyrowave on optimeeritud v\u00e4ga kiireks kodeerimiseks ja dekodeerimiseks, kasutades GPU-d ning on t\u00e4ielikult rakendatud arvutuslike shader'ite vormis. Piisava l\u00e4bilaskev\u00f5ime korral (bitikiirus ~200+ mbit\/s) n\u00e4itab koodek minimaalset viivet, ulatudes 0.1 ms kvaliteediga 1080p ja 0.2 ms kvaliteediga 4K. Pakettide kadu taluvuse tagamiseks rakendab Pyrowave isoleeritud kodeerimist plokkides 64\u00d764.    <\/p>\n<p>HDR ja YCbCr 4:2:0 ja 4:4:4 v\u00e4rviruumid toetatakse. HDR l\u00fclitatakse automaatselt sisse, kui see on toetatud hosti ja kliendi poolt. V\u00e4rvikodeerimise formaat 4:4:4 n\u00f5uab rohkem ressursse ja suurendab liiklust, seet\u00f5ttu on see vaikimisi v\u00e4lja l\u00fclitatud ning soovitatav aktiveerida t\u00f6\u00f6tava laua sisu edastamisel v\u00f5i vajadusel video teksti loetavuse parandamiseks.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66317\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Valve \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0438 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u0431\u0435\u0442\u0430-\u0432\u0435\u0440\u0441\u0438\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 Steam \u0432\u0438\u0434\u0435\u043e\u043a\u043e\u0434\u0435\u043a\u0430 Pyrowave, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u043f\u043e\u0442\u043e\u043a\u043e\u0432\u043e\u0433\u043e \u0432\u0435\u0449\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e \u0441 \u043d\u0438\u0437\u043a\u0438\u043c\u0438 \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0430\u043c\u0438 \u0432 \u0441\u0435\u0442\u044f\u0445 \u0441 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c\u044e. \u041a\u043e\u0434\u0435\u043a \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u043f\u0446\u0438\u0438 \u0432 \u0441\u0435\u0440\u0432\u0438\u0441 Steam Remote Play, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0432\u0435\u0441\u0442\u0438 \u0432\u0435\u0449\u0430\u043d\u0438\u0435 \u0438\u0433\u0440\u043e\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u0438\u043b\u0438 \u0442\u0440\u0430\u043d\u0441\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0432\u044b\u0432\u043e\u0434 \u043d\u0430 \u0441\u0432\u043e\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u043f\u0440\u0438 \u0438\u0433\u0440\u0435 \u043d\u0430 \u0434\u0440\u0443\u0433\u0438\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445. \u0412 Linux-\u0432\u0435\u0440\u0441\u0438\u0438 Steam [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183432","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com 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