{"id":12355,"date":"2025-06-25T05:06:03","date_gmt":"2025-06-25T05:06:03","guid":{"rendered":"https:\/\/www.insanelymac.com\/blog\/cs-how-to-fix-corrupted-mp4-file-on-mac\/"},"modified":"2025-06-25T08:25:10","modified_gmt":"2025-06-25T08:25:10","slug":"how-to-fix-corrupted-mp4-file-on-mac","status":"publish","type":"post","link":"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/","title":{"rendered":"Jak opravit po\u0161kozen\u00fd soubor MP4 na Macu"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#proc_se_soubory_mp4_poskozuji\" title=\"Pro\u010d se soubory MP4 po\u0161kozuj\u00ed?\">Pro\u010d se soubory MP4 po\u0161kozuj\u00ed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#3_jednoducha_reseni_ktera_muzete_zkusit_nejdrive\" title=\"3 jednoduch\u00e1 \u0159e\u0161en\u00ed, kter\u00e1 m\u016f\u017eete zkusit nejd\u0159\u00edve\">3 jednoduch\u00e1 \u0159e\u0161en\u00ed, kter\u00e1 m\u016f\u017eete zkusit nejd\u0159\u00edve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#opravte_poskozene_mp4_soubory_pomoci_clever_online_video_repair\" title=\"Opravte po\u0161kozen\u00e9 MP4 soubory pomoc\u00ed Clever Online Video Repair\">Opravte po\u0161kozen\u00e9 MP4 soubory pomoc\u00ed Clever Online Video Repair<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#zkuste_opravit_poskozene_soubory_mp4_v_prehravaci_vlc_media_player_pro_mac\" title=\"Zkuste opravit po\u0161kozen\u00e9 soubory MP4 v p\u0159ehr\u00e1va\u010di VLC Media Player pro Mac\">Zkuste opravit po\u0161kozen\u00e9 soubory MP4 v p\u0159ehr\u00e1va\u010di VLC Media Player pro Mac<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#prevadejte_soubory_mp4_pomoci_nastroju_jako_handbrake_a_shutter_encoder\" title=\"P\u0159ev\u00e1d\u011bjte soubory MP4 pomoc\u00ed n\u00e1stroj\u016f jako HandBrake a Shutter Encoder\">P\u0159ev\u00e1d\u011bjte soubory MP4 pomoc\u00ed n\u00e1stroj\u016f jako HandBrake a Shutter Encoder<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#moznost_a_handbrake\" title=\"Mo\u017enost A HandBrake\">Mo\u017enost A HandBrake<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#moznost_b_shutter_encoder\" title=\"Mo\u017enost B Shutter Encoder\">Mo\u017enost B Shutter Encoder<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#mohu_opravit_poskozeny_mp4_pomoci_terminalu_mac\" title=\"Mohu opravit po\u0161kozen\u00fd MP4 pomoc\u00ed termin\u00e1lu Mac?\">Mohu opravit po\u0161kozen\u00fd MP4 pomoc\u00ed termin\u00e1lu Mac?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#zaverecne_myslenky\" title=\"Z\u00e1v\u011bre\u010dn\u00e9 my\u0161lenky\">Z\u00e1v\u011bre\u010dn\u00e9 my\u0161lenky<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#casto_kladene_dotazy\" title=\"\u010casto kladen\u00e9 dotazy\">\u010casto kladen\u00e9 dotazy<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#co_zpusobuje_poskozeni_souboru_mp4_videi\" title=\"Co zp\u016fsobuje po\u0161kozen\u00ed soubor\u016f MP4 vide\u00ed?\">Co zp\u016fsobuje po\u0161kozen\u00ed soubor\u016f MP4 vide\u00ed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#jak_opravit_poskozeny_mp4_soubor_na_macu_bez_softwaru\" title=\"Jak opravit po\u0161kozen\u00fd MP4 soubor na Macu bez softwaru?\">Jak opravit po\u0161kozen\u00fd MP4 soubor na Macu bez softwaru?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.insanelymac.com\/blog\/cs\/how-to-fix-corrupted-mp4-file-on-mac\/#co_delat_kdyz_quicktime_nemuze_otevrit_soubor_mp4_na_macu\" title=\"Co d\u011blat, kdy\u017e QuickTime nem\u016f\u017ee otev\u0159\u00edt soubor MP4 na Macu?\">Co d\u011blat, kdy\u017e QuickTime nem\u016f\u017ee otev\u0159\u00edt soubor MP4 na Macu?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>V ur\u010dit\u00e9m okam\u017eiku jste se pravd\u011bpodobn\u011b pokusili otev\u0159\u00edt MP4 na sv\u00e9m Macu, jen abyste zjistili, \u017ee se nep\u0159ehraje nebo vypad\u00e1 po\u0161kozen\u011b. Na tyto probl\u00e9my jsme narazili u\u017e nes\u010detn\u011bkr\u00e1t. B\u011bhem let jsme si vytvo\u0159ili seznam \u0159e\u0161en\u00ed pro opravu po\u0161kozen\u00fdch MP4 soubor\u016f na Macu, kter\u00e1 se osv\u011bd\u010dila, a jsme p\u0159ipraveni se o n\u011b s v\u00e1mi pod\u011blit.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"proc_se_soubory_mp4_poskozuji\"><\/span>Pro\u010d se soubory MP4 po\u0161kozuj\u00ed?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>MP4 soubory nejsou tak p\u0159\u00edmo\u010dar\u00e9, jak se zdaj\u00ed. Jsou slo\u017eeny z r\u016fzn\u00fdch komponent naz\u00fdvan\u00fdch \u201catomy\u201d, kter\u00e9 uchov\u00e1vaj\u00ed skute\u010dn\u00e1 video data a metadata, jako jsou \u010dasov\u00e1 raz\u00edtka a struktura souboru. The <strong>moov<\/strong> atom, kter\u00fd organizuje metadata souboru, je z\u00e1sadn\u00ed. Pokud se po\u0161kod\u00ed, v\u00e1\u0161 soubor se stane ne\u010diteln\u00fdm, i kdy\u017e samotn\u00e1 data videa jsou v po\u0159\u00e1dku.<\/p>\n<p>Jako t\u00fdm jsme tomuto probl\u00e9mu \u010delili v\u00edcekr\u00e1t, ne\u017e bychom r\u00e1di p\u0159iznali. M\u011bli jsme soubory MP4 po\u0161kozen\u00e9 kv\u016fli v\u00fdpadku proudu v digit\u00e1ln\u00edm fotoapar\u00e1tu \u2013 p\u0159\u00edmo uprost\u0159ed nahr\u00e1v\u00e1n\u00ed. Videosoubor byl zni\u010den, proto\u017ee <strong>moov<\/strong> atom se nikdy neulo\u017eil spr\u00e1vn\u011b. Jindy byl proces p\u0159enosu souboru p\u0159eru\u0161en a <strong>mdat<\/strong> atom, kter\u00fd obsahuje skute\u010dn\u00e1 medi\u00e1ln\u00ed data, byl nedokon\u010den\u00fd, co\u017e zp\u016fsobilo, \u017ee video nebylo mo\u017en\u00e9 p\u0159ehr\u00e1t.<\/p>\n<p>Tyto situace se st\u00e1vaj\u00ed \u010dast\u011bji, ne\u017e byste si mysleli. Na\u0161t\u011bst\u00ed to nen\u00ed konec a existuje mnoho mo\u017en\u00fdch zp\u016fsob\u016f, jak opravit ne\u010diteln\u00e1 mp4 videa na Mac.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_jednoducha_reseni_ktera_muzete_zkusit_nejdrive\"><\/span>3 jednoduch\u00e1 \u0159e\u0161en\u00ed, kter\u00e1 m\u016f\u017eete zkusit nejd\u0159\u00edve<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>V\u017edy je dobr\u00fd n\u00e1pad nejprve vyzkou\u0161et rychl\u00e1 a jednoduch\u00e1 \u0159e\u0161en\u00ed. Setkali jsme se s mnoha p\u0159\u00edpady, kdy probl\u00e9m nebyl tak v\u00e1\u017en\u00fd, jak se zd\u00e1l.<\/p>\n<p><img fetchpriority=\"high\" class=\"border-gray aligncenter wp-image-8265 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/napkin-mp4-simple-fixes.jpg\" alt=\"3 jednoduch\u00e9 opravy, kter\u00e9 m\u016f\u017eete zkusit jako prvn\u00ed \" width=\"1335\" height=\"710\" \/><\/p>\n<ul>\n<li><strong>Zkuste jin\u00fd p\u0159ehr\u00e1va\u010d m\u00e9di\u00ed.<\/strong> N\u011bkdy se soubor, kter\u00fd se neotev\u0159e v QuickTime, m\u016f\u017ee p\u0159ehr\u00e1t bez probl\u00e9m\u016f ve VLC. Ne v\u0161ichni multimedi\u00e1ln\u00ed p\u0159ehr\u00e1va\u010de zach\u00e1zej\u00ed se soubory MP4 stejn\u00fdm zp\u016fsobem, tak\u017ee zkuste jin\u00fd p\u0159ehr\u00e1va\u010d; m\u016f\u017ee v\u00e1m to u\u0161et\u0159it spoustu starost\u00ed.<\/li>\n<li><strong>P\u0159esunout soubor do jin\u00e9ho za\u0159\u00edzen\u00ed.<\/strong> \u010casto jsme probl\u00e9my vy\u0159e\u0161ili jednodu\u0161e t\u00edm, \u017ee jsme soubor p\u0159esunuli na jin\u00e9 \u00falo\u017en\u00e9 za\u0159\u00edzen\u00ed nebo Mac. Bad sectors na USB kl\u00ed\u010di nebo disku m\u016f\u017ee zp\u016fsobit pot\u00ed\u017ee, proto to zkuste na jin\u00e9m za\u0159\u00edzen\u00ed.<\/li>\n<li><strong>Opravte soubor na za\u0159\u00edzen\u00ed, na kter\u00e9m byl nahr\u00e1n.<\/strong> Pokud va\u0161e video poch\u00e1z\u00ed z kamery jako je <a href=\"https:\/\/community.gopro.com\/s\/article\/The-File-Repair-Icon-is-Displayed-on-the-Camera?language=en_US\">GoPro<\/a>, zkuste vlo\u017eit SD kartu zp\u011bt do fotoapar\u00e1tu. Mnoho fotoapar\u00e1t\u016f m\u00e1 vestav\u011bn\u00e9 opravn\u00e9 funkce, kter\u00e9 automaticky detekuj\u00ed po\u0161kozen\u00e9 soubory a pokus\u00ed se je opravit. Vid\u011bli jsme, \u017ee to funguje v p\u0159\u00edpadech, kdy soubor ne\u0161el p\u0159ehr\u00e1t na po\u010d\u00edta\u010di, ale fotoapar\u00e1t jej dok\u00e1zal obnovit.<\/li>\n<\/ul>\n<p>Pokud tato rychl\u00e1 \u0159e\u0161en\u00ed nepomohou, p\u0159ejdeme k pokro\u010dilej\u0161\u00edm mo\u017enostem, za\u010dn\u011bme online n\u00e1stroji, kter\u00e9 dok\u00e1\u017eou opravit MP4 soubory b\u011bhem n\u011bkolika krok\u016f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"opravte_poskozene_mp4_soubory_pomoci_clever_online_video_repair\"><\/span>Opravte po\u0161kozen\u00e9 MP4 soubory pomoc\u00ed Clever Online Video Repair<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Jedn\u00edm z nejjednodu\u0161\u0161\u00edch n\u00e1stroj\u016f, kter\u00e9 doporu\u010dujeme pro po\u0161kozen\u00fd soubor MP4 na Mac (nebo vlastn\u011b jak\u00e9koli jin\u00e9 platform\u011b, proto\u017ee jde o online n\u00e1stroj), je <a href=\"https:\/\/repair.cleverfiles.com\/\" target=\"_blank\" rel=\"noopener\"><strong>Clever Online Video Repair<\/strong><\/a>.<\/p>\n<p>Na rozd\u00edl od v\u011bt\u0161iny bezplatn\u00fdch online slu\u017eeb nab\u00edz\u00ed Clever \u0161t\u011bdr\u00e9 limity. Podporuje soubory a\u017e do <strong>5 GB<\/strong>, ide\u00e1ln\u00ed pro v\u011bt\u0161\u00ed videa. Z na\u0161\u00ed zku\u0161enosti si Clever porad\u00ed s b\u011b\u017en\u00fdmi probl\u00e9my po\u0161kozen\u00ed vide\u00ed v\u00edce ne\u017e dob\u0159e, zejm\u00e9na u form\u00e1t\u016f jako MP4.<\/p>\n<p><strong>Zde je n\u00e1vod, jak pou\u017e\u00edt Clever Online Video Repair k oprav\u011b va\u0161eho MP4 souboru:<\/strong><\/p>\n<ol>\n<li>P\u0159ej\u00edt na <a href=\"https:\/\/repair.cleverfiles.com\/\" target=\"_blank\" rel=\"noopener\">Clever Online Video Repair website<\/a>. Mo\u017enost nahr\u00e1n\u00ed se zobraz\u00ed p\u0159\u00edmo na \u00favodn\u00ed str\u00e1nce.<img class=\"border-gray alignnone wp-image-8266 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/Clever-Online-Video-Repair-mov.jpg\" alt=\"Chytr\u00e1 online oprava vide\u00ed\" width=\"2246\" height=\"1728\" \/><\/li>\n<li>Vyberte sv\u016fj po\u0161kozen\u00fd soubor MP4. Podporuje tak\u00e9 jin\u00e9 form\u00e1ty jako MOV, 3GP nebo M4V.<img class=\"border-gray aligncenter wp-image-8267 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/mp4-clever-online.jpg\" alt=\"Vyberte sv\u016fj po\u0161kozen\u00fd soubor MP4\" width=\"2112\" height=\"1608\" \/><\/li>\n<li>Vyberte sv\u00e9 z\u00e1znamov\u00e9 za\u0159\u00edzen\u00ed nebo klikn\u011bte na &#8220;Unknown device&#8221;, pokud si nejste jisti, kter\u00e9 za\u0159\u00edzen\u00ed bylo pou\u017eito k nahr\u00e1n\u00ed videa.<\/li>\n<li>Poskytn\u011bte referen\u010dn\u00ed soubor ze stejn\u00e9ho za\u0159\u00edzen\u00ed, pokud o to n\u00e1stroj po\u017e\u00e1d\u00e1. Tento krok umo\u017en\u00ed syst\u00e9mu pou\u017e\u00edt spr\u00e1vnou metodu opravy a zvy\u0161uje \u0161ance na \u00fasp\u011b\u0161n\u00e9 obnoven\u00ed.<\/li>\n<li>Klikn\u011bte na tla\u010d\u00edtko &#8220;Repair&#8221;. Proces opravy prob\u00edh\u00e1 rychle, i kdy\u017e nahr\u00e1v\u00e1n\u00ed v\u011bt\u0161\u00edch soubor\u016f m\u016f\u017ee trvat d\u00e9le.<img loading=\"lazy\" class=\"border-gray aligncenter wp-image-8268 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/mp4-clever-online-fixed.jpg\" alt=\"St\u00e1hn\u011bte si sv\u016fj opraven\u00fd soubor\" width=\"2112\" height=\"1608\" \/><\/li>\n<li>St\u00e1hn\u011bte si opraven\u00fd soubor po dokon\u010den\u00ed opravy. Obdr\u017e\u00edte odkaz ke sta\u017een\u00ed souboru. Pokud si vytvo\u0159\u00edte \u00fa\u010det, m\u016f\u017eete si opraven\u00fd soubor ulo\u017eit do sv\u00e9ho profilu. Bez \u00fa\u010dtu n\u00e1stroj uchov\u00e1v\u00e1 soubory po dobu 24 hodin, pot\u00e9 je z d\u016fvodu ochrany soukrom\u00ed sma\u017ee.<\/li>\n<\/ol>\n<div class=\"frame_bg frame_bg--success\"><div class=\"frame_bg--title\"><\/div>\ud83c\udd93 <strong>Opravit v\u00edce soubor\u016f zdarma.<\/strong> M\u016f\u017eete opravit a\u017e <strong>10 soubor\u016f<\/strong> najednou s Clever Online Video Repair.<\/div>\n<p>Z na\u0161ich test\u016f, Clever Online Video Repair, kter\u00fd se um\u00edstil na 1. m\u00edst\u011b v na\u0161em seznamu <a href=\"https:\/\/www.insanelymac.com\/blog\/best-video-repair-software-for-mac\/\">Nejlep\u0161\u00ed n\u00e1stroje pro opravu vide\u00ed pro Mac<\/a>, konzistentn\u011b poskytuje rychl\u00e9 v\u00fdsledky, zejm\u00e9na u soubor\u016f MP4 po\u0161kozen\u00fdch kv\u016fli ne\u00fapln\u00e9mu p\u0159enosu\/z\u00e1znamu. Stal se na\u0161\u00edm obl\u00edben\u00fdm n\u00e1strojem pro tyto p\u0159\u00edpady, ale m\u011bjte na pam\u011bti, \u017ee pro nejlep\u0161\u00ed v\u00fdsledky budete muset nahr\u00e1t i nepo\u0161kozen\u00e9 video ze stejn\u00e9ho za\u0159\u00edzen\u00ed jako referenci.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"zkuste_opravit_poskozene_soubory_mp4_v_prehravaci_vlc_media_player_pro_mac\"><\/span>Zkuste opravit po\u0161kozen\u00e9 soubory MP4 v p\u0159ehr\u00e1va\u010di VLC Media Player pro Mac<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/www.videolan.org\/\" target=\"_blank\" rel=\"noopener\"><strong>VLC Media Player<\/strong><\/a> je dal\u0161\u00ed snadn\u00e1 mo\u017enost. Je to bezplatn\u00fd n\u00e1stroj, kter\u00fd mnoho lid\u00ed ji\u017e pou\u017e\u00edv\u00e1 k p\u0159ehr\u00e1v\u00e1n\u00ed vide\u00ed, ale v\u011bt\u0161ina nev\u00ed, \u017ee tak\u00e9 obsahuje vestav\u011bnou funkci pro opravu po\u0161kozen\u00fdch video soubor\u016f. Pou\u017eili jsme ho nes\u010detn\u011bkr\u00e1t k oprav\u011b vide\u00ed, kter\u00e1 ne\u0161la otev\u0159\u00edt nebo p\u0159i p\u0159ehr\u00e1v\u00e1n\u00ed vykazovala chyby.<\/p>\n<p>Opravn\u00e1 funkce VLC funguje obzvl\u00e1\u0161\u0165 dob\u0159e, kdy\u017e je po\u0161kozen\u00ed souboru v z\u00e1hlav\u00ed videa, co\u017e zt\u011b\u017euje p\u0159ehr\u00e1va\u010d\u016fm interpretaci souboru. P\u0159esto\u017ee je tato funkce ofici\u00e1ln\u011b podporov\u00e1na pouze pro soubory AVI, zjistili jsme, \u017ee pokud jednodu\u0161e p\u0159ejmenujete po\u0161kozen\u00fd soubor MP4 na AVI, \u010dasto to pom\u016f\u017ee. Je to rychl\u00e1 oprava, kter\u00e1 funguje u mnoha b\u011b\u017en\u00fdch probl\u00e9m\u016f.<\/p>\n<p><strong>Zde je postup, jak opravit soubor MP4 pomoc\u00ed VLC na Mac:<\/strong><\/p>\n<ol>\n<li>Najd\u011bte sv\u016fj po\u0161kozen\u00fd soubor MP4, klikn\u011bte na n\u011bj prav\u00fdm tla\u010d\u00edtkem my\u0161i a vyberte \u201cP\u0159ejmenovat.\u201d Zm\u011b\u0148te p\u0159\u00edponu souboru z .mp4 na .avi a stiskn\u011bte Enter.<img loading=\"lazy\" class=\"border-gray aligncenter wp-image-8269 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/mp4-rename.jpg\" alt=\"Zm\u011b\u0148te p\u0159\u00edponu souboru\" width=\"2100\" height=\"1328\" \/><\/li>\n<li>Otev\u0159ete VLC Media Player na sv\u00e9m Macu. Pokud jej nem\u00e1te nainstalovan\u00fd, st\u00e1hn\u011bte a nainstalujte jej z <a href=\"https:\/\/www.videolan.org\/\" target=\"_blank\" rel=\"noopener\">ofici\u00e1ln\u00ed web VLC<\/a>.<\/li>\n<li>P\u0159ejd\u011bte do nastaven\u00ed VLC. V sekci \u201c<strong>Vstup\/Kodeky<\/strong>,\u201d najd\u011bte \u010d\u00e1st ozna\u010denou &#8220;<strong>Oprava AVI soubor\u016f<\/strong>.&#8221;<img loading=\"lazy\" class=\"border-gray aligncenter wp-image-8270 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/vlc-always-fix.jpg\" alt=\"Nastavte mo\u017enost na \u201cV\u017edy opravovat\u201d\" width=\"2294\" height=\"1602\" \/><\/li>\n<li>Nastavte mo\u017enost na \u201c<strong>V\u017edy opravit<\/strong>.\u201d VLC se pokus\u00ed opravit ve\u0161ker\u00e9 po\u0161kozen\u00ed, kter\u00e9 v AVI souboru najde.<\/li>\n<li>P\u0159ehr\u00e1t soubor MP4 a zjistit, zda je po\u0161kozen\u00ed opraveno.<\/li>\n<\/ol>\n<p>Z na\u0161ich zku\u0161enost\u00ed VLC velmi dob\u0159e opravuje probl\u00e9my souvisej\u00edc\u00ed s hlavi\u010dkou. Pokud je po\u0161kozen\u00ed z\u00e1va\u017en\u011bj\u0161\u00ed, tato metoda nemus\u00ed fungovat, ale v\u017edy stoj\u00ed za to ji vyzkou\u0161et.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"prevadejte_soubory_mp4_pomoci_nastroju_jako_handbrake_a_shutter_encoder\"><\/span>P\u0159ev\u00e1d\u011bjte soubory MP4 pomoc\u00ed n\u00e1stroj\u016f jako HandBrake a Shutter Encoder<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Pokud jednodu\u0161\u0161\u00ed metody, jako jsou online n\u00e1stroje nebo p\u0159ehr\u00e1va\u010de m\u00e9di\u00ed, nefunguj\u00ed, dal\u0161\u00edm spolehliv\u00fdm zp\u016fsobem, jak opravit po\u0161kozen\u00fd soubor MP4, je jeho p\u0159evod. P\u0159evod, neboli rek\u00f3dov\u00e1n\u00ed, zahrnuje dek\u00f3dov\u00e1n\u00ed st\u00e1vaj\u00edc\u00edho videa MP4 a n\u00e1sledn\u00e9 znovu zak\u00f3dov\u00e1n\u00ed od za\u010d\u00e1tku. Tento proces v podstat\u011b znovu vytvo\u0159\u00ed strukturu videosouboru, co\u017e \u010dasto dok\u00e1\u017ee obej\u00edt probl\u00e9my s po\u0161kozen\u00edm.<\/p>\n<p>Pou\u017eili jsme n\u00e1stroje jako <strong>HandBrake<\/strong> a <strong>Shutter Encoder<\/strong> opravit po\u0161kozen\u00e9 soubory MP4. Oba tyto n\u00e1stroje jsou zdarma, \u0161iroce pou\u017e\u00edvan\u00e9 a nab\u00edzej\u00ed \u0159adu mo\u017enost\u00ed pro pr\u00e1ci s video soubory MP4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"moznost_a_handbrake\"><\/span>Mo\u017enost A: HandBrake<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/handbrake.fr\/\" target=\"_blank\" rel=\"noopener\"><strong>HandBrake<\/strong><\/a> je jedn\u00edm z nejlep\u0161\u00edch bezplatn\u00fdch n\u00e1stroj\u016f pro p\u0159ek\u00f3dov\u00e1n\u00ed video soubor\u016f. Je jednoduch\u00fd na pou\u017e\u00edv\u00e1n\u00ed a podporuje \u0161irokou \u0161k\u00e1lu form\u00e1t\u016f (MP4, MOV a MKV.)<\/p>\n<p><strong>Jak opravit po\u0161kozen\u00fd soubor MP4 pomoc\u00ed HandBrake:<\/strong><\/p>\n<ol>\n<li><a href=\"https:\/\/handbrake.fr\/\" target=\"_blank\" rel=\"noopener\">St\u00e1hnout<\/a> a nainstalujte HandBrake z ofici\u00e1ln\u00edch str\u00e1nek HandBrake. Po instalaci otev\u0159ete aplikaci na sv\u00e9m Mac.<\/li>\n<li>Klikn\u011bte na &#8220;<strong>Open Source<\/strong> a vyberte po\u0161kozen\u00fd soubor MP4, kter\u00fd chcete opravit.<img loading=\"lazy\" class=\"border-gray aligncenter wp-image-8271 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/mp4-handbrake-open.jpg\" alt=\"Vyberte po\u0161kozen\u00fd soubor MP4\" width=\"1982\" height=\"1512\" \/><\/li>\n<li><strong>Vyberte v\u00fdstupn\u00ed form\u00e1t.<\/strong> Na kart\u011b \u201cSouhrn\u201d vyberte form\u00e1t. M\u016f\u017eete zvolit p\u0159evod MP4 do jin\u00e9ho form\u00e1tu, jako je <strong>MKV<\/strong> nebo <strong>MOV<\/strong>, nebo zvolte ponech\u00e1n\u00ed souboru ve <strong>MP4<\/strong> form\u00e1t. Pro\u010d zvolit stejn\u00fd form\u00e1t? N\u011bkdy m\u016f\u017ee p\u0159ek\u00f3dov\u00e1n\u00ed souboru, i do stejn\u00e9ho form\u00e1tu MP4, p\u0159estav\u011bt strukturu souboru a opravit po\u0161kozen\u00e1 metadata, ani\u017e by se zm\u011bnila p\u0159\u00edpona souboru. V\u0161e tak z\u016fstane zn\u00e1m\u00e9 a p\u0159edejdete probl\u00e9m\u016fm s kompatibilitou s jin\u00fdm softwarem nebo za\u0159\u00edzen\u00edmi, kter\u00e1 preferuj\u00ed MP4.<img loading=\"lazy\" class=\"border-gray aligncenter wp-image-8272 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/mp4-handbrake-fix.jpg\" alt=\"Vyberte v\u00fdstupn\u00ed form\u00e1t\" width=\"1982\" height=\"1512\" \/><\/li>\n<li>Obvykle je nejlep\u0161\u00ed zachovat kvalitu co nejbl\u00ed\u017ee origin\u00e1lu, aby se p\u0159ede\u0161lo zbyte\u010dn\u00e9 degradaci. Zjistili jsme, \u017ee v\u00fdchoz\u00ed nastaven\u00ed v\u011bt\u0161inou funguje dob\u0159e.<\/li>\n<li>Vyberte c\u00edlovou slo\u017eku, kam chcete ulo\u017eit opraven\u00fd soubor.<\/li>\n<li><strong>Klikn\u011bte na &#8220;Start&#8221;<\/strong> za\u010d\u00edt proces. HandBrake dek\u00f3duje st\u00e1vaj\u00edc\u00ed video data a pot\u00e9 je znovu zak\u00f3duje.<\/li>\n<li>Po dokon\u010den\u00ed p\u0159evodu HandBrake otev\u0159ete nov\u011b p\u0159eveden\u00fd soubor v p\u0159ehr\u00e1va\u010di m\u00e9di\u00ed, nap\u0159\u00edklad VLC, a zkontrolujte, zda byla chyba opravena. Pokud se video p\u0159ehr\u00e1v\u00e1 plynule, p\u0159evod byl \u00fasp\u011b\u0161n\u00fd.<\/li>\n<\/ol>\n<div class=\"frame_bg frame_bg--primary\"><div class=\"frame_bg--title\"><\/div>\u23f1\ufe0f <strong>Velk\u00e9 soubory trvaj\u00ed d\u00e9le.<\/strong> M\u011bjte na pam\u011bti, \u017ee v\u011bt\u0161\u00ed soubory budou trvat d\u00e9le na znovu-k\u00f3dov\u00e1n\u00ed, zvl\u00e1\u0161t\u011b pokud pracujete s videi ve vysok\u00e9m rozli\u0161en\u00ed. Ujist\u011bte se, \u017ee m\u00e1te dostatek v\u00fdpo\u010detn\u00edho v\u00fdkonu a \u010dasu na dokon\u010den\u00ed \u00fakolu.<\/div>\n<h3><span class=\"ez-toc-section\" id=\"moznost_b_shutter_encoder\"><\/span>Mo\u017enost B: Shutter Encoder<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/www.shutterencoder.com\/\" target=\"_blank\" rel=\"noopener\"><strong>Shutter Encoder<\/strong><\/a> je dal\u0161\u00ed vynikaj\u00edc\u00ed n\u00e1stroj pro opravu po\u0161kozen\u00fdch MP4 pomoc\u00ed p\u0159ek\u00f3dov\u00e1n\u00ed. Stejn\u011b jako HandBrake je zdarma a open-source.<\/p>\n<p>Kombinace jednoduchosti a v\u00fdkonu programu Shutter Encoder z n\u011bj \u010din\u00ed skv\u011bl\u00fd n\u00e1stroj pro po\u0161kozen\u00e9 soubory MP4. Nav\u00edc jeho pou\u017eit\u00ed <strong>FFmpeg<\/strong> poskytuje \u0161irokou podporu kodek\u016f a spolehliv\u00e9 v\u00fdsledky. A kdy\u017e u\u017e mluv\u00edme o <strong>FFmpeg<\/strong>, pozd\u011bji si o tom p\u0159\u00edmo popov\u00edd\u00e1me a z\u00edsk\u00e1me je\u0161t\u011b hlub\u0161\u00ed kontrolu.<\/p>\n<p><strong>Jak opravit po\u0161kozen\u00fd soubor MP4 pomoc\u00ed Shutter Encoder:<\/strong><\/p>\n<ol>\n<li><a href=\"https:\/\/www.shutterencoder.com\/\" target=\"_blank\" rel=\"noopener\">St\u00e1hnout<\/a> a nainstalujte Shutter Encoder z ofici\u00e1ln\u00edch webov\u00fdch str\u00e1nek. Shutter Encoder funguje bez probl\u00e9m\u016f jak na Mac s procesory Intel, tak na nov\u011bj\u0161\u00edch Mac s Apple Silicon.<\/li>\n<li>Otev\u0159ete Shutter Encoder a p\u0159et\u00e1hn\u011bte sv\u016fj po\u0161kozen\u00fd soubor MP4 do programu, nebo pou\u017eijte \u201c<strong>Proch\u00e1zet<\/strong>\u201d pro vyhled\u00e1n\u00ed souboru.<img loading=\"lazy\" class=\"border-gray aligncenter wp-image-8273 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/mp4-shutter.jpg\" alt=\"P\u0159et\u00e1hn\u011bte sv\u016fj po\u0161kozen\u00fd soubor MP4 do programu\" width=\"1982\" height=\"1512\" \/><\/li>\n<li>M\u016f\u017eete vybrat kodek v <strong>\u201cZvolte funkci\u201d<\/strong>.<\/li>\n<li>V\u00fdchoz\u00ed nastaven\u00ed obvykle funguje dob\u0159e, ale pokud chcete m\u00edt v\u011bt\u0161\u00ed kontrolu, Shutter Encoder v\u00e1m umo\u017en\u00ed upravit nap\u0159\u00edklad kvalitu videa, rozli\u0161en\u00ed a datov\u00fd tok tak, aby odpov\u00eddaly origin\u00e1lu.<img loading=\"lazy\" class=\"border-gray aligncenter wp-image-8274 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/mp4-shutter-convert-scaled.jpg\" alt=\"Klikn\u011bte &quot;Start Function&quot;\" width=\"2560\" height=\"1421\" \/><\/li>\n<\/ol>\n<ol>\n<li>Klikn\u011bte<strong> Spustit funkci<\/strong> spustit proces op\u011btovn\u00e9ho k\u00f3dov\u00e1n\u00ed.<\/li>\n<li>Po dokon\u010den\u00ed otev\u0159ete nov\u00fd soubor v p\u0159ehr\u00e1va\u010di m\u00e9di\u00ed, jako je VLC nebo QuickTime, a zjist\u011bte, zda byl probl\u00e9m vy\u0159e\u0161en.<\/li>\n<\/ol>\n<div class=\"frame_bg frame_bg--default\"><div class=\"frame_bg--title\"><\/div>\ud83d\udcbe <strong>Ulo\u017ete sv\u00e1 nastaven\u00ed.<\/strong> Pokud jste v Shutter Encoderu nastavili konkr\u00e9tn\u00ed nastaven\u00ed k\u00f3dov\u00e1n\u00ed, m\u016f\u017eete je snadno ulo\u017eit jako p\u0159edvolbu stisknut\u00edm <strong>cmd+s<\/strong> pro budouc\u00ed pot\u0159eby. Tyto p\u0159ednastaven\u00e9 soubory m\u016f\u017eete tak\u00e9 sd\u00edlet s ostatn\u00edmi.<\/div>\n<h2><span class=\"ez-toc-section\" id=\"mohu_opravit_poskozeny_mp4_pomoci_terminalu_mac\"><\/span>Mohu opravit po\u0161kozen\u00fd MP4 pomoc\u00ed termin\u00e1lu Mac?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Odpov\u011b\u010f je <strong>ano<\/strong>, m\u016f\u017eete opravit po\u0161kozen\u00fd soubor MP4 na va\u0161em Mac b\u011bhem <strong>Termin\u00e1l<\/strong> s <a href=\"https:\/\/www.ffmpeg.org\/\" target=\"_blank\" rel=\"noopener\"><strong>FFmpeg<\/strong><\/a>. Proto\u017ee Shutter Encoder vyu\u017e\u00edv\u00e1 FFmpeg v pozad\u00ed, ji\u017e jste vid\u011bli \u010d\u00e1st jeho v\u00fdkonu v akci. Pokud v\u0161ak pou\u017eijete FFmpeg p\u0159\u00edmo z p\u0159\u00edkazov\u00e9ho \u0159\u00e1dku, m\u016f\u017ee nab\u00eddnout v\u00edce kontroly a flexibility, obzvl\u00e1\u0161\u0165 v p\u0159\u00edpad\u011b slo\u017eit\u00fdch probl\u00e9m\u016f s po\u0161kozen\u00edm MP4.<\/p>\n<p><strong>Zde je postup, jak opravit soubory MP4 pomoc\u00ed FFmpeg v Termin\u00e1lu:<\/strong><\/p>\n<ol>\n<li>Pokud jste je\u0161t\u011b nenainstalovali FFmpeg, budete to muset ud\u011blat. Nejjednodu\u0161\u0161\u00ed zp\u016fsob instalace je <strong>Dom\u00e1c\u00ed v\u00fdroba<\/strong>, spr\u00e1vce bal\u00ed\u010dk\u016f pro macOS.<\/li>\n<li>(Pokud ji je\u0161t\u011b nem\u00e1te) otev\u0159ete <strong>Termin\u00e1l<\/strong> a zadejte p\u0159\u00edkaz pro instalaci Homebrew:<br \/>\n<strong>\/bin\/bash -c &#8220;$(curl -fsSL https:\/\/raw.githubusercontent.com\/Homebrew\/install\/HEAD\/install.sh)&#8221;<\/strong><\/li>\n<li>Jakmile je Homebrew nainstalov\u00e1n, zadejte tento p\u0159\u00edkaz pro instalaci FFmpeg:<br \/>\n<strong>brew install ffmpeg<img loading=\"lazy\" class=\"border-gray aligncenter wp-image-8275 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/ffmpeg-install.jpg\" alt=\"Nainstalujte FFmpeg\" width=\"1526\" height=\"980\" \/><\/strong><\/li>\n<li>Pou\u017eijte <strong>cd<\/strong> p\u0159\u00edkaz v Termin\u00e1lu pro p\u0159echod do slo\u017eky, kde se nach\u00e1z\u00ed v\u00e1\u0161 po\u0161kozen\u00fd soubor MP4. Nap\u0159\u00edklad pokud je v\u00e1\u0161 soubor ve slo\u017ece \u201cSta\u017een\u00e9\u201d, zadali byste:<br \/>\n<strong>cd ~\/Sta\u017een\u00e9<\/strong><\/li>\n<li>Nyn\u00ed, kdy\u017e jste ve slo\u017ece, kde se nach\u00e1z\u00ed po\u0161kozen\u00fd soubor, pou\u017eijte p\u0159\u00edkaz FFmpeg k jeho oprav\u011b:<br \/>\n<strong>ffmpeg -i brokenfile.mp4 -c copy opravenysoubor.mp4<img loading=\"lazy\" class=\"border-gray aligncenter wp-image-8276 size-full\" src=\"\/\/www.insanelymac.com\/blog\/wp-content\/uploads\/2024\/10\/ffmpeg-terminal.jpg\" alt=\"Pou\u017eijte p\u0159\u00edkaz FFmpeg\" width=\"1706\" height=\"1038\" \/>brokenfile.mp4<\/strong> je n\u00e1zev va\u0161eho po\u0161kozen\u00e9ho MP4, <strong>soubor.opravenysoubor.mp4<\/strong> bude n\u00e1zvem nov\u00e9ho, opraven\u00e9ho souboru. The <strong>-c kop\u00edrovat<\/strong> flag \u0159\u00edk\u00e1 FFmpeg, aby zkop\u00edroval video a audio stopy bez jejich op\u011btovn\u00e9ho k\u00f3dov\u00e1n\u00ed. To m\u016f\u017ee n\u011bkdy opravit strukturu souboru, ani\u017e by se zm\u011bnila p\u016fvodn\u00ed kvalita.<\/li>\n<li>FFmpeg zpracuje soubor, zkop\u00edruje nepo\u0161kozen\u00e9 \u010d\u00e1sti videa a obejde jak\u00e9koli po\u0161kozen\u00ed. V z\u00e1vislosti na velikosti souboru a stupni po\u0161kozen\u00ed to m\u016f\u017ee trvat od n\u011bkolika sekund a\u017e po n\u011bkolik minut.<\/li>\n<li>Po dokon\u010den\u00ed FFmpeg zkontrolujte nov\u011b vytvo\u0159en\u00fd soubor repairedfile.mp4.<\/li>\n<\/ol>\n<div class=\"frame_bg frame_bg--primary\"><div class=\"frame_bg--title\"><\/div>\ud83d\udcdd <strong>Pozn\u00e1mka.<\/strong> \u010casto jednoduch\u00fd p\u0159\u00edkaz pro kop\u00edrov\u00e1n\u00ed bez p\u0159ek\u00f3dov\u00e1n\u00ed nesta\u010d\u00ed. V\u00fdsledek m\u016f\u017ee b\u00fdt st\u00e1le nep\u0159ehrateln\u00fd. Zjistili jsme, \u017ee p\u0159ek\u00f3dov\u00e1n\u00ed s vy\u0161\u0161\u00edmi preset\u016f m\u016f\u017ee n\u011bkdy opravit to, co jednoduch\u00fd p\u0159\u00edkaz pro kop\u00edrov\u00e1n\u00ed nedok\u00e1\u017ee. Zde je p\u0159\u00edklad p\u0159\u00edkazu, kter\u00fd soubor p\u0159ek\u00f3duje:<\/p>\n<p><strong>ffmpeg -i corrupted_video.mp4 -vf mpdecimate -c:v libx264 -preset fast -crf 22 -c:a aac output_video.mp4<\/strong><\/p>\n<p>Tento p\u0159\u00edkaz znovu k\u00f3duje video v <strong>libx264<\/strong> (H.264 kodek) a pou\u017eije p\u0159ednastaven\u00ed pro rychlej\u0161\u00ed k\u00f3dov\u00e1n\u00ed s m\u00edrnou kompres\u00ed. The <strong>-crf 22<\/strong> mo\u017enost nastavuje \u00farove\u0148 kvality (ni\u017e\u0161\u00ed hodnoty pro vy\u0161\u0161\u00ed kvalitu), a <strong>-c:a aac<\/strong> znovu k\u00f3duje audio jako AAC. V mnoha p\u0159\u00edpadech tato metoda usp\u011bla tam, kde pouh\u00e9 kop\u00edrov\u00e1n\u00ed nesta\u010dilo.<\/div>\n<h2><span class=\"ez-toc-section\" id=\"zaverecne_myslenky\"><\/span>Z\u00e1v\u011bre\u010dn\u00e9 my\u0161lenky<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Z na\u0161ich zku\u0161enost\u00ed je v\u011bt\u0161ina p\u0159\u00edpad\u016f po\u0161kozen\u00fdch MP4 video soubor\u016f zp\u016fsobena ne\u00fapln\u00fdmi z\u00e1znamy nebo p\u0159eru\u0161en\u00fdm p\u0159enosem soubor\u016f. Jednoduch\u00e9 opravy, kter\u00e9 jsme prob\u00edrali d\u0159\u00edve\u2014jako nap\u0159\u00edklad <strong>Clever Online Video Repair<\/strong>\u2014obvykle sta\u010d\u00ed k vy\u0159e\u0161en\u00ed t\u011bchto probl\u00e9m\u016f. Setkali jsme se v\u0161ak i s podivn\u011bj\u0161\u00edmi p\u0159\u00edpady, kdy kamera ani nezobrazila, \u017ee by byla n\u011bjak\u00e1 data nahr\u00e1na. To se m\u016f\u017ee st\u00e1t, pokud logick\u00e9 odkazy, kter\u00e9 vedou k fyzick\u00e9mu um\u00edst\u011bn\u00ed souboru na \u00falo\u017en\u00e9m za\u0159\u00edzen\u00ed, nebyly zaps\u00e1ny spr\u00e1vn\u011b.<\/p>\n<p>V takov\u00fdch situac\u00edch budete nejd\u0159\u00edve muset z\u00edskat po\u0161kozen\u00e9 MP4 soubory zp\u011bt, ne\u017e za\u010dnete s opravou. Pro tento \u00fa\u010del doporu\u010dujeme n\u00e1stroj pro obnovu dat, jako je <a href=\"https:\/\/www.cleverfiles.com\/\" target=\"_blank\" rel=\"noopener\">Disk Drill<\/a>. Podporuje v\u0161echny typy \u00falo\u017en\u00fdch za\u0159\u00edzen\u00ed, od SD karet a\u017e po extern\u00ed pevn\u00e9 disky, a bez probl\u00e9m\u016f funguje na nejnov\u011bj\u0161\u00edch verz\u00edch macOS, jako je <strong>Sonoma<\/strong> a <strong>Sekvoje<\/strong>. Disk Drill je obzvl\u00e1\u0161\u0165 efektivn\u00ed s MP4 soubory a zvl\u00e1d\u00e1 vysok\u00e9 rozli\u0161en\u00ed video form\u00e1t\u016f stejn\u011b dob\u0159e jako standardn\u00ed form\u00e1ty. O tom si m\u016f\u017eete p\u0159e\u010d\u00edst v\u00edce v na\u0161em <a href=\"https:\/\/www.insanelymac.com\/blog\/disk-drill-review\/\">Disk Drill recenze<\/a>, kde jdeme do hloubky jeho schopnost\u00ed a v\u00fdkonu. A pokud Disk Drill nen\u00ed podle va\u0161eho gusta, existuje mnoho dal\u0161\u00edch dobr\u00fdch <a href=\"https:\/\/www.insanelymac.com\/blog\/best-mac-data-recovery-software\/\">n\u00e1stroje pro obnovu dostupn\u00e9 pro Mac<\/a><\/p>\n<section itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\"><div class=\"panel-group sc_accordion_faq\" id=\"accordion\" role=\"tablist\" aria-multiselectable=\"true\"><h2 class=\"sc_accordion_faq--title\"><span class=\"ez-toc-section\" id=\"casto_kladene_dotazy\"><\/span>\u010casto kladen\u00e9 dotazy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"panel panel-default\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Question\">\r\n    <div class=\"panel-heading\" role=\"tab\" id=\"heading1\" aria-selected=\"true\">\r\n        <h3 class=\"panel-title\" itemprop=\"name\"><span class=\"ez-toc-section\" id=\"co_zpusobuje_poskozeni_souboru_mp4_videi\"><\/span>\r\n            <a role=\"button\" data-toggle=\"collapse\" href=\"#collapse1\" aria-expanded=\"true\" aria-controls=\"collapse1\">\r\n                Co zp\u016fsobuje po\u0161kozen\u00ed soubor\u016f MP4 vide\u00ed?\r\n                <i class=\"fas fa-plus\"><\/i>\r\n            <\/a>\r\n        <span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n    <\/div>\r\n    <div id=\"collapse1\" class=\"panel-collapse collapse in\" role=\"tabpanel\" aria-labelledby=\"heading1\">\r\n        <div class=\"panel-body\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Answer\">\r\n            <div itemprop=\"text\">\r\n                MP4 video soubory se mohou po\u0161kodit z r\u016fzn\u00fdch d\u016fvod\u016f, z nich\u017e v\u011bt\u0161ina nast\u00e1v\u00e1 b\u011bhem nahr\u00e1v\u00e1n\u00ed, p\u0159enosu nebo ulo\u017een\u00ed. Zde jsou n\u011bkter\u00e9 b\u011b\u017en\u00e9 p\u0159\u00ed\u010diny:<\/p>\n<ul>\n<li>Pokud z\u00e1znam skon\u010d\u00ed n\u00e1hle (kv\u016fli v\u00fdpadku proudu, slab\u00e9 baterii nebo poru\u0161e kamery), soubor se nemus\u00ed spr\u00e1vn\u011b dokon\u010dit, co\u017e jej m\u016f\u017ee po\u0161kodit nebo u\u010dinit ne\u010diteln\u00fdm.<\/li>\n<li>Ke korupci m\u016f\u017ee doj\u00edt, kdy\u017e je p\u0159enos souboru mezi za\u0159\u00edzen\u00edmi p\u0159eru\u0161en. Pokud b\u011bhem procesu odpoj\u00edte za\u0159\u00edzen\u00ed nebo dojde k neo\u010dek\u00e1van\u00e9 chyb\u011b syst\u00e9mu, m\u016f\u017ee to v\u00e9st k po\u0161kozen\u00ed souboru.<\/li>\n<li>Pokud \u00falo\u017en\u00e9 za\u0159\u00edzen\u00ed (jako nap\u0159\u00edklad SD karta, extern\u00ed pevn\u00fd disk nebo USB) obsahuje vadn\u00e9 sektory, m\u016f\u017ee to zp\u016fsobovat probl\u00e9my.<\/li>\n<li>Po\u0161kozen\u00fd souborov\u00fd syst\u00e9m na \u00falo\u017en\u00e9m za\u0159\u00edzen\u00ed m\u016f\u017ee po\u0161kodit video soubory ulo\u017een\u00e9 na n\u011bm.<\/li>\n<li>V n\u011bkter\u00fdch p\u0159\u00edpadech viry nebo malware zasahuj\u00ed do operac\u00ed se soubory, co\u017e m\u016f\u017ee zp\u016fsobit po\u0161kozen\u00ed MP4 vide\u00ed.<\/li>\n<li>P\u00e1d softwaru nebo syst\u00e9mov\u00e1 chyba b\u011bhem vytv\u00e1\u0159en\u00ed videa m\u016f\u017ee v\u00e9st k ne\u00fapln\u00fdm nebo po\u0161kozen\u00fdm soubor\u016fm.<\/li>\n<\/ul>\n\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\n<div class=\"panel panel-default\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Question\">\r\n    <div class=\"panel-heading\" role=\"tab\" id=\"heading2\" aria-selected=\"true\">\r\n        <h3 class=\"panel-title\" itemprop=\"name\"><span class=\"ez-toc-section\" id=\"jak_opravit_poskozeny_mp4_soubor_na_macu_bez_softwaru\"><\/span>\r\n            <a role=\"button\" data-toggle=\"collapse\" href=\"#collapse2\" aria-expanded=\"true\" aria-controls=\"collapse2\">\r\n                Jak opravit po\u0161kozen\u00fd MP4 soubor na Macu bez softwaru?\r\n                <i class=\"fas fa-plus\"><\/i>\r\n            <\/a>\r\n        <span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n    <\/div>\r\n    <div id=\"collapse2\" class=\"panel-collapse collapse in\" role=\"tabpanel\" aria-labelledby=\"heading2\">\r\n        <div class=\"panel-body\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Answer\">\r\n            <div itemprop=\"text\">\r\n                Pokud nem\u016f\u017eete nebo nechcete stahovat\/instalovat \u017e\u00e1dn\u00fd software na sv\u016fj Mac, m\u016f\u017eete se spolehnout na online n\u00e1stroje pro opravu vide\u00ed k oprav\u011b po\u0161kozen\u00e9ho souboru MP4. K dispozici je mnoho online n\u00e1stroj\u016f pro opravy a ka\u017ed\u00fd den se objevuj\u00ed dal\u0161\u00ed. Slu\u017eby jako <a href=\"https:\/\/repair.cleverfiles.com\/\" target=\"_blank\" rel=\"noopener\">Clever Online Video Repair<\/a> nebo <a href=\"https:\/\/repairvideofile.com\/\" target=\"_blank\" rel=\"noopener\">Opravit video aplikaci<\/a>, umo\u017e\u0148uje nahr\u00e1t po\u0161kozen\u00fd soubor p\u0159\u00edmo z va\u0161eho prohl\u00ed\u017ee\u010de a n\u00e1stroj se jej pokus\u00ed opravit. Toto je rychl\u00e9 a jednoduch\u00e9 \u0159e\u0161en\u00ed bez jak\u00e9koliv instalace.\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\n<div class=\"panel panel-default\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Question\">\r\n    <div class=\"panel-heading\" role=\"tab\" id=\"heading3\" aria-selected=\"true\">\r\n        <h3 class=\"panel-title\" itemprop=\"name\"><span class=\"ez-toc-section\" id=\"co_delat_kdyz_quicktime_nemuze_otevrit_soubor_mp4_na_macu\"><\/span>\r\n            <a role=\"button\" data-toggle=\"collapse\" href=\"#collapse3\" aria-expanded=\"true\" aria-controls=\"collapse3\">\r\n                Co d\u011blat, kdy\u017e QuickTime nem\u016f\u017ee otev\u0159\u00edt soubor MP4 na Macu?\r\n                <i class=\"fas fa-plus\"><\/i>\r\n            <\/a>\r\n        <span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n    <\/div>\r\n    <div id=\"collapse3\" class=\"panel-collapse collapse in\" role=\"tabpanel\" aria-labelledby=\"heading3\">\r\n        <div class=\"panel-body\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Answer\">\r\n            <div itemprop=\"text\">\r\n                Pokud QuickTime nem\u016f\u017ee na va\u0161em Macu otev\u0159\u00edt soubor MP4, zkuste jin\u00fd p\u0159ehr\u00e1va\u010d m\u00e9di\u00ed, nap\u0159\u00edklad <strong>VLC Media Player<\/strong>. VLC podporuje \u0161ir\u0161\u00ed \u0161k\u00e1lu form\u00e1t\u016f a kodek\u016f, tak\u017ee \u010dasto p\u0159ehraje soubory, kter\u00e9 QuickTime nezvl\u00e1dne.<\/p>\n<p>Pokud se soubor st\u00e1le neotev\u00edr\u00e1, probl\u00e9m m\u016f\u017ee b\u00fdt v samotn\u00e9m souboru. M\u016f\u017eete p\u0159ejmenovat p\u0159\u00edponu souboru na <strong>.avi<\/strong> a otev\u0159ete jej ve VLC, kter\u00e9 n\u011bkdy oprav\u00ed drobn\u00e9 po\u0161kozen\u00ed. Pokud tyto mo\u017enosti nefunguj\u00ed, mo\u017en\u00e1 budete muset pou\u017e\u00edt n\u00e1stroj na opravu videa, nap\u0159\u00edklad <strong>Clever Online Video Repair<\/strong> nebo <strong>Shutter Encoder<\/strong>, opravit soubor.\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\n<\/div><\/section>\n","protected":false},"excerpt":{"rendered":"<p>V ur\u010dit\u00e9m okam\u017eiku jste se pravd\u011bpodobn\u011b pokusili otev\u0159\u00edt MP4 na sv\u00e9m Macu, jen abyste zjistili, \u017ee se nep\u0159ehraje nebo vypad\u00e1 po\u0161kozen\u011b. Na tyto probl\u00e9my jsme narazili u\u017e nes\u010detn\u011bkr\u00e1t. B\u011bhem let jsme si vytvo\u0159ili seznam \u0159e\u0161en\u00ed pro opravu po\u0161kozen\u00fdch MP4 soubor\u016f na Macu, kter\u00e1 se osv\u011bd\u010dila, a jsme p\u0159ipraveni se o n\u011b s v\u00e1mi pod\u011blit. Pro\u010d [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":2061,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[292],"tags":[],"slider-tags":[],"class_list":["post-12355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pruvodce"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jak opravit po\u0161kozen\u00fd soubor MP4 na Macu (3 nejlep\u0161\u00ed metody + bonus)<\/title>\n<meta name=\"description\" content=\"\u010cel\u00edte po\u0161kozen\u00fdm MP4 soubor\u016fm na va\u0161em Mac? Nau\u010dte se je opravit pomoc\u00ed 3 nejlep\u0161\u00edch metod a nav\u00edc z\u00edskejte bonusov\u00fd tip. 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