{"id":94546,"date":"2020-09-18T13:42:07","date_gmt":"2020-09-18T11:42:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/biblioteki-szhatiya-lzham-i-crunch-perevedeny-v-obshhestvennoe-dostoyanie"},"modified":"2020-09-18T13:42:07","modified_gmt":"2020-09-18T11:42:07","slug":"biblioteki-szhatiya-lzham-i-crunch-perevedeny-v-obshhestvennoe-dostoyanie","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/biblioteki-szhatiya-lzham-i-crunch-perevedeny-v-obshhestvennoe-dostoyanie","title":{"rendered":"Bibliotecile de compresie LZHAM \u0219i Crunch au fost trimise \u00een domeniul public","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Rich Geldreich a transferat<\/a><\/noindex> bibliotecile de compresie dezvoltate de el LZHAM<\/a><\/noindex> \u0219i Crunch<\/a><\/noindex> \u00een categoria domeniului public<\/a><\/noindex> (Public Domain), adic\u0103 a renun\u021bat complet la drepturile de autor patrimoniale \u0219i a permis distribu\u021bia \u0219i utilizarea \u00een orice form\u0103 f\u0103r\u0103 restric\u021bii. Pentru jurisdic\u021biile \u00een care categoria domeniului public nu este recunoscut\u0103, au fost l\u0103sate clauze corespunz\u0103toare. Anterior, proiectele au fost distribuite sub licen\u021bele MIT \u0219i ZLIB.<\/p>\n

Biblioteca Crunch ofer\u0103 instrumente pentru compresia \u0219i re\u00eencodarea texturilor f\u0103r\u0103 pierderi de calitate utiliz\u00e2nd algoritmi DXTn<\/a><\/noindex>. Crunch suport\u0103 formatele de texturi DXT1\/5\/N \u0219i 3DC \u0219i poate salva rezultatul \u00een formatele DDS, CRN \u0219i KTX. <\/p>\n

LZHAM ofer\u0103 un algoritm de compresie optimizat pentru ambalarea resurselor incluse \u00een aplica\u021biile de jocuri. Suport\u0103 un API compatibil cu Zlib. Printre caracteristicile LZHAM se num\u0103r\u0103
\nutilizarea tabelelor de mapare (de p\u00e2n\u0103 la 64 KB), dic\u021bionare (de p\u00e2n\u0103 la 500 MB), paralelizarea opera\u021biunilor pe mai multe fire \u0219i aplicarea modific\u0103rilor delta, care permit distribuirea modific\u0103rilor f\u0103r\u0103 a reambala fi\u0219ierele deja comprimate.<\/p>\n

\u00cen ceea ce prive\u0219te nivelul de compresie \u0219i viteza de ambalare, implementarea LZHAM este comparabil\u0103 cu LZMA, dar vitez\u0103 de decompresie o dep\u0103\u0219e\u0219te pe cea a LZMA cu 1.5-8 ori (dar este mai lent\u0103 dec\u00e2t zlib). Compar\u00e2nd cu ZSTD, LZHAM dep\u0103\u0219e\u0219te acest algoritm \u00een eficien\u021ba de compresie, dar este aproape cu un ordin de m\u0103rime mai lent \u00een viteza de codare \u0219i pu\u021bin mai lent \u00een viteza de decodare.<\/p>\n

<\/a><\/noindex><\/p>\n

Sursa: opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0438\u0447 \u0413\u0435\u043b\u0434\u0440\u0438\u0445 (Rich Geldreich) \u043f\u0435\u0440\u0435\u0432\u0451\u043b \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0435 \u0438\u043c \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0441\u0436\u0430\u0442\u0438\u044f LZHAM \u0438 Crunch \u0432 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044e \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f (Public Domain), \u0442.\u0435. \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043e\u0442\u043a\u0430\u0437\u0430\u043b\u0441\u044f \u043e\u0442 \u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0445 \u0430\u0432\u0442\u043e\u0440\u0441\u043a\u0438\u0445 \u043f\u0440\u0430\u0432 \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u0438\u043b \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u043b\u044e\u0431\u043e\u0439 \u0444\u043e\u0440\u043c\u0435 \u0432\u0441\u0435\u043c\u0438 \u0431\u0435\u0437 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0439. \u0414\u043b\u044f \u044e\u0440\u0438\u0441\u0434\u0438\u043a\u0446\u0438\u0439, \u0433\u0434\u0435 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044f \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u043d\u0435 \u043f\u0440\u0438\u0437\u043d\u0430\u0451\u0442\u0441\u044f, \u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043e\u0433\u043e\u0432\u043e\u0440\u043a\u0438. \u0420\u0430\u043d\u0435\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u044b \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u043b\u0438\u0441\u044c \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f\u043c\u0438 MIT \u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-94546","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Bibliotecile de compresie LZHAM \u0219i Crunch au fost transferate \u00een domeniul public | ProHoster","description":"Rich Geldreich a transferat bibliotecile de compresie dezvoltate de 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