VOB → MP4

Guqula Eyakho VOB kuya MP4 amafayela kalula

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Ukulayisha

Indlela yokuguqula VOB kuya MP4

Isinyathelo 1: Layisha eyakho VOB amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho MP4 amafayela

VOB kuya MP4 Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiyifaka kanjani ikhowudi VOB ku MP4 ngaphandle kokulahlekelwa ukhwalithi yevidiyo?

Ukufaka ifayela lakho VOB futhi hlela Quality to High Quality in the conversion options. That re-encodes the video at the highest quality setting (CRF 18 for H.264 and VP9 output), which keeps the most detail at the cost of a larger file. The default, Balanced, uses the standard setting. The MP4 output gets a codec its container supports: H.264 for MP4, MOV and MKV, VP9 for WebM. I-VOB iqukethe i-MPEG-2 video, AC-3 noma umsindo we-PCM, kanye ne-DVD subpicture subtitle streams, ihlukaniswe ibe yi-1 GB segments yi-DVD spec. Kuyinto encane kakhulu ukuthi wonke ama-MP4 aphilayo ayizividiyo ze-H.264 ezinesandi se-AAC; isiqukathi sigcina ngokusemthethweni i-HEVC, AV1 ne-VP9.

I-VOB yami ibonisa ama-comb lines ekuhambeni - ngabe lokhu kuzodluliselwa ku-MP4?

Yebo. i-VOB iqukethwe ngokuvamile i-interlaced, ngoba ifomu livela esikhathini sokusabalalisa ne-DVD, futhi lesi siguquli asinayo inketho yokususa ukuxhumana, ngakho-ke ukuxhuma ku-MP4. Uma kubaluleke, susa ukuxhumana kwe-VOB kuqala kwithuluzi ledesktop njenge HandBrake noma ffmpeg (isihlungi se-yadif). VOB yividiyo equkethwe okutholakalayo kwifolda VIDEO_TS ngayinye ye-DVD — i-MPEG-2 izinhlelo ezihambayo ne-DVD-ekhethekile yokubuka idatha engeziwe.

I-VOB yami yokurekhoda ihlukaniswe ibe yizingxenye ezinomkhawulo - ngabe i-MP4 inesimo esifanayo?

Hayi, futhi lokhu kuyisizathu esingcono sokushintsha. I VOB iqukethe i-file eyodwa esebenza kahle eyenza ukurekhodwa okude noma okuphezulu kwe-bitrate kuhambe ngokuqondile, okuyinto ebangela ukuthi ukurekhodwa okudala kufike njengengxenye1, ingxenye2, ingxenye3. MP4 ayinaso isibopho esifanayo, ngakho ama-pieces angaxhunywa kabusha kwifayela elilodwa eliqhubekayo. VOB ihlukaniswe phakathi kwefayela, ingase ibe CSS-encrypted, futhi ithwale ukuzula iphakethe elikhohlisa abadlali abadingayo.

I VOB yami inezinhlamvu zomsindo eziningi — zingaba zonke zihlala ngaphakathi kwe MP4?

Akunalutho. Umguquli ugcina umsindo owodwa, owenza ama-channels amaningi (okungukuthi, umsindo oyinhloko), futhi ususa okunye; akukho sinqumo sokukhetha okuhlukile. Ukugcina umsindo owodwa, shintsha i-VOB nge-track yokuqala (i-VLC noma i-ffmpeg ingakwenza lokhu), bese uyiguqula. I-VOB igcina yonke i-DVD payload - ama-angles amaningi, izilimi eziningi zomsindo nama-subtitle tracks wonke ahlala ngaphakathi. I-MP4 isekela kuphela ifomu elilodwa lesihloko esihlonishwa kakhulu (mov_text), futhi umsindo we-multi-track awuthembeki ngaphandle kwama-players wedesktop.

Kungani ihele lami VOB lingakwazi ukushintsha ku MP4?

Kuyinto evamile kakhulu i-DRM. Ezinye VOB izithombe zibhalwe ngokufihlakele ku-bitstream level yisitolo noma isofthiwe eyenza, futhi isithombe esibhalwe ngokufihlakele asikwazi ukucinywa yithu noma yinoma yini ngaphandle kwesitshixo selayisense. Izithombe ongazirekhodile, ozenzayo noma ozibhumele ngaphandle azikhuselwanga ziguqulwa ngokuvamile; ukuthenga okusemthethweni akuzokwenza, futhi akukho oguqulelayo angazethemba ngokuvumelana.

Ingabe i-MP4 izodlala kwi-browser uma i-VOB ingadlalanga?

Yebo, futhi lokho kuyisizathu esiphelele sokuguqulwa. I VOB efakwe kwikhasi lewebhu ibonisa umdlali okhubazekile noma icindezela ukulayisha, ngoba iziphequluli azikho izikhombisi ezizo. MP4 idlala ngaphakathi ngengxenye yevidiyo ye-HTML5 engavamile ngaphandle kweplugin noma kusetshenziswa okungaphandle. MP4 iyinjongo ephephile yokulethwa - yonke ifoni, i-browser, i-console, umhleli ne-Smart TV eyenziwe eminyakeni eyisithupha edlule idlala ngaphandle kwesoftware engeziwe.

Ingabe kufanelekile ukushintsha ama-VOB ama-records adala ku-MP4?

Noma yini ofuna ukuyigcina, yebo. VOB ihlobene nohlobo oludlule lwevidiyo nesoftware efunda ngayo ihlala ihamba ihamba isuka kumafoni, iziphequluli nezinhlelo zokusebenza. Ukusuka kwevidiyo ku MP4 manje, uma umqokeli ohlanzekile ukhona, kuyinto ehlukile phakathi kwegobo lomlando ongavula ngawo iminyaka eyisithupha nenye ongayenza.

Yini i-codec yevidiyo i MP4 isebenzisa?

Kuxhomekeka ku MP4 isiqoqi. MP4, MOV kanye MKV output ukusebenzisa H.264, okuyinto idlala ku ngempela wonke ifoni, ibrowser kanye TV. WebM output usebenzisa VP9. AVI, WMV kanye MPEG output ukusebenzisa codecs older labo amafomethi akhiwa. MP4 yi ISO/IEC 14496-14, ejwayelekile ngo-2001 futhi ivela ku-QuickTime box layout MOV isebenzisa.

Ingabe umsindo wami uzohlala ukhona VOB kuya ku MP4?

Yebo, umsindo omkhulu ohambayo udlula, uphinde ukhodwe ku-codec i-MP4 idlala, isibonelo, i-AAC ku-MP4 ne-MOV noma i-Opus ku-WebM. Ukuguqulwa okuningi kugcina kuphela umsindo owodwa (omunye onezintambo eziningi), ngakho-ke izilimi ezihlukile nezibuyekezo zilahlekile. MP4 kuya ku-MOV, ne-AVI, WMV, MPEG, FLV, VOB noma M4V kuya ku-MKV, gcina wonke umsindo ohambayo.

Ingabe ngigcina ifreyimu yesiqalo uma ngiguqula VOB ku MP4?

Yebo. Izinga lefreyimu ligcinwa ngaphandle kokuthi ushintshe: i-24 fps VOB ihlala i-24 fps ku-MP4. Uhlelo lwezinga lefreyimu lingaguqulwa libe yi-60, 30 noma i-24 fps. Lishintsha kuphela inani; alisusanga ividiyo noma lisuse i-3:2 pulldown.

Ingabe ubukhulu befayela bushintsha kanjani kusuka ku VOB kuya ku MP4?

Kuxhomekeka kulokho okwenzekayo kuvidiyo. MKV MP4 noma MOV nge default izilungiselelo ikhophi ividiyo umfutho engashintshiwe, ngakho ubukhulu ihlala eduze komthombo. Ezinye izibini eziningi ziphinde zikhophi: a high-bitrate VOB ngokuvamile ephuma ncane, ngenkathi ekhona kakhulu ecindezelwe eyodwa ingakhula. Ifayela elincane ngaphansi Quality inikeza inzuzo encane, futhi H.265 ku Codec isilungiselelo (MP4, MOV ne MKV) ngokuvamile ncane kuna H.264 ku quality efana kodwa idlala ku amadivayisi ambalwa.

Ingabe ihele MP4 lizodlala ku-iPhone, Android, ne-Smart TVs?

MP4 ne H.264 idlala kunoma iyiphi ifoni, i-browser kanye TV. MOV ne H.264 idlala kunoma iyiphi idivayisi Apple kanye TVs eziningi kodwa hhayi kunoma iyiphi ifoni Android edala. MKV idinga app ezifana VLC ku-iOS, futhi WebM ikhaya e-browsers. Akukho isisetshenziswa preset kule khasi, ngakho khetha ifomu injongo isisetshenziswa sakho sisekela.