[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.welery.cz\/informace-a-pocitace\/#Article","mainEntityOfPage":"https:\/\/www.welery.cz\/informace-a-pocitace\/","headline":"Informace a po\u010d\u00edta\u010de","name":"Informace a po\u010d\u00edta\u010de","description":"Jsou to pr\u00e1v\u011b po\u010d\u00edta\u010de, kter\u00e9 n\u00e1m zprost\u0159edkov\u00e1vaj\u00ed sv\u011bt jedni\u010dek a nul tak, abychom jim porozum\u011bli. Skl\u00e1d\u00e1 z nich text, fotku, nebo film. A mus\u00ed to d\u011blat \u0161\u00edlen\u011b rychle, aby bylo v\u0161e plynul\u00e9 a netrhalo se to, nebo \u201enekosti\u010dkovalo\u201c, jak se \u0159\u00edk\u00e1 v bran\u017ei. Miliony operac\u00ed se mus\u00ed zvl\u00e1dnou v jedin\u00e9m okam\u017eiku, aby \u010dlov\u011bk mohl v...","datePublished":"2022-05-06","dateModified":"2023-05-03","author":{"@type":"Person","@id":"https:\/\/www.welery.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.welery.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/b86e461e91a792eb6523c2667396c9868de382fea5dd80e25dc0d9e030173b65?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/b86e461e91a792eb6523c2667396c9868de382fea5dd80e25dc0d9e030173b65?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"welery.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.welery.cz\/wp-content\/uploads\/a_10_1.jpg","url":"https:\/\/www.welery.cz\/wp-content\/uploads\/a_10_1.jpg","height":0,"width":0},"url":"https:\/\/www.welery.cz\/informace-a-pocitace\/","about":["IT"],"wordCount":420,"articleBody":"Jsou to pr\u00e1v\u011b po\u010d\u00edta\u010de, kter\u00e9 n\u00e1m zprost\u0159edkov\u00e1vaj\u00ed sv\u011bt jedni\u010dek a nul tak, abychom jim porozum\u011bli. Skl\u00e1d\u00e1 z nich text, fotku, nebo film. A mus\u00ed to d\u011blat \u0161\u00edlen\u011b rychle, aby bylo v\u0161e plynul\u00e9 a netrhalo se to, nebo \u201enekosti\u010dkovalo\u201c, jak se \u0159\u00edk\u00e1 v bran\u017ei. Miliony operac\u00ed se mus\u00ed zvl\u00e1dnou v jedin\u00e9m okam\u017eiku, aby \u010dlov\u011bk mohl v poklidu odpo\u010d\u00edvat u filmu, nebo si t\u0159eba st\u0159\u00edhat dom\u00e1c\u00ed video. I to pat\u0159\u00ed do sv\u011bta informa\u010dn\u00edch technologi\u00ed.\u00a0\u00a0Abychom si mohli pustit film, nemus\u00edme d\u011blat naprosto nic, jen kliknout. A jakmile tak u\u010din\u00edme, za\u010dne po\u010d\u00edta\u010d pracovat. Mus\u00ed nap\u0159\u00edklad zjistit v jak\u00e9m je kontejneru a pokud jej nerozezn\u00e1, film neuvid\u00edte. Dnes u\u017e se to v\u0161ak nest\u00e1v\u00e1 a kdy\u017e, tak skute\u010dn\u011b z\u0159\u00eddka. Dne\u0161n\u00ed programy pro p\u0159ehr\u00e1v\u00e1n\u00ed vide\u00ed jsou ji\u017e na takov\u00e9 \u00farovni, \u017ee mohou otev\u0159\u00edt jak\u00fdkoli kontejner, stejn\u011b jako zastaral\u00fd AVI, nebo nov\u011bj\u0161\u00ed Matro\u0161ku. A nenechte se m\u00fdlit nedouky. Ti to naz\u00fdvaj\u00ed form\u00e1ty, co\u017e je ov\u0161em ten nejv\u011bt\u0161\u00ed nesmysl. Film je v tom kontejneru ulo\u017een v n\u011bjak\u00e9m form\u00e1tu. A v kontejneru je i zvuk, pop\u0159\u00edpad\u011b titulky, nebo prost\u011b to, co je pot\u0159eba.\u00a0\u00a0Form\u00e1t je nap\u0159\u00edklad asi u n\u00e1s nejpou\u017e\u00edvan\u011bj\u0161\u00ed H.264. Ale jsou i jin\u00e9, jako nam\u00e1tkou t\u0159eba MPEG-2 Part 2, HEVC, Theora, RealVideo RV40 a podobn\u011b. A tyto mohou a b\u00fdvaj\u00ed ulo\u017eeny v kontejnerech, nap\u0159\u00edklad t\u011bch dvou v\u00fd\u0161e jmenovan\u00fdch. I t\u011bchto kontejner\u016f je samoz\u0159ejm\u011b v\u00edce.\u00a0\u00a0P\u00ed\u0161i to jen proto, abyste v\u011bd\u011bli, co v\u0161e mus\u00ed procesor v po\u010d\u00edta\u010di za\u0159\u00eddit, aby bylo video ke kouk\u00e1n\u00ed. A to jsem pospal jen mali\u010dk\u00fd zlomek. My to nevn\u00edm\u00e1me. Ani to nepot\u0159ebujeme. Pokud to funguje, tak nen\u00ed t\u0159eba nad t\u00edm n\u011bjak\u00a0moc uva\u017eovat. To bychom pak museli p\u0159em\u00fd\u0161let i nad t\u00edm, co je to kodek, esence a tak podobn\u011b. I to pat\u0159\u00ed do sv\u011bta videa.\u00a0\u00a0Tak\u017ee p\u0159\u00ed\u0161t\u011b a\u017e si pust\u00edte n\u011bjak\u00fd obl\u00edben\u00fd film, vzpome\u0148te si na tento krati\u010dk\u00fd a stru\u010dn\u00fd \u010dl\u00e1ne\u010dek. A pokud v\u00e1s zaujal a cht\u011bli byste v\u011bd\u011bt v\u00edce, najdete v\u0161ude plno informac\u00ed.\u00a0                                                                                                                                                                                                                                                                                                                                                                                        4.3\/5 - (11 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Informace a po\u010d\u00edta\u010de","item":"https:\/\/www.welery.cz\/informace-a-pocitace\/#breadcrumbitem"}]}]