3GP Isici

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Ukulayisha

Indlela yokucisha nokucisha 3GP

1 Layisha phezulu i 3GP videos ofuna ukuyicisha.

2 Dlulisa iziqalisi kanye neziqephu zesiphelo ku-waveform noma ku-timeline, noma ubhale ama-timecodes afanele uma uwazi.

3 Bona kuqala okukhethiwe bese uqhuba ukucisha - ingxenye ogcina ikhophiwe ngaphandle kokuchofoza lapho ifomethi ivumela khona.

4 Layisha phezulu ifayela elitholwe 3GP.

3GP Isici Imibuzo Evame Ukubuzwa

Ingabe ifomu limisa lapho ngingakwazi ukukopisha khona?

Ikwenza. I-3GP iyiprofayili ye-MP4 encane eyenziwe ngezifiso yezixhumi ezihamba phambili, ngokuvamile isinqumo esiphansi kakhulu nge-AMR audio. Lokhu kuchaza ukuthi ngabe ukucisha kungabekwa ngokuzithandela noma kufanele kulandelwe emgwaqweni wokwakha.

Ingabe kukhona okuthile okukhethekile ku 3GP uma kususwa?

Yebo — Amafayela we-3GP avame ukuba nesinqumo esiphansi kakhulu nge-AMR speech audio, ngakho-ke kunemingwane encane eshiya ukuvimbela futhi kunenani elikhulu lokubuyisela. Ichaza okuningi kwe "ukucisha kuyisiqephu sesibili" okuthakazelisa.

Indlela e3GP Isici eqoka ngayo ifayela?

Ngokucacile, ukucisha kwenziwa ku-keyframe encane futhi ama-streams akopiwe, okuyenza ibe eduze-nokukhawulela; ukucisha kwe-frame-exact udinga isithombe esiphinde sikhodwe, ngakho-ke ithuluzi lizokutshela ukuthi yisiphi okutholayo ngaphandle kokukhetha ngokucophelela. Uhlela amaphuzu wokuqala nokuphela kwi-waveform noma i-timeline futhi ugcine okuphakathi kwabo.

Ngafaka kanjani ngokucacile amaphuzu wokuqala nokuphela?

Ungafaka amakhophi afanele wesikhathi ngaphandle kokudonsa kuphela, futhi ukubuka kuqala kuhlanza indawo njengoba uyisa. Umphumela ofanele ungase uhlale uhlala ubheke ifomu: abanye bavumela ukucushwa noma kuphi, abanye bacindezela ifremu encane noma ifremu ebalulekile.

Yini ezoba nesandi, isisihloko nesiqephu sezinhlamvu?

Zithunyelwa ngaphesheya. Umsindo we-multi-track, ama-tracks esihloko esingezansi esifakwe kanye nama-chapter markers ahlala lapho i-target container ingabonisa khona - lokho kuyinto eyinhloko ehlukanisa umsebenzi ofanele kusuka ku-naive re-encode egcina ngokucophelela i-track eyodwa kuphela.

Yini engikwazi ukuyifaka ku 3GP Isici?

MP4, MOV, MKV, WebM, AVI, WMV, FLV, 3GP, M4V, MPEG ne MPG. Isihlungi kanye ne-codec zihlolwa ngaphambi kokuba kwenzeke noma yini, ngakho-ke iqembu elixhunywe liphathwa ngokulungile ngefayela ngalinye ngaphezu kokucabanga ukuthi lifana.

Ingabe kunesilinganiselo sobukhulu behele ku 3GP Isici?

Yebo: ama-akhawunti amahhala asebenza ngevidiyo kuze kube yi 1 GiB ngefayela ngalinye, ngokuya ngezinga eliphakeme kakhulu lendawo; i-ffmpeg ene-x264, x265 ne-libvpx isebenza, okuwumsebenzi ofanayo ongaphansi kwesoftware yevidiyo yedesktop. Ividiyo iyimindeni eyodwa lapho i-cap iphakeme kakhulu ukuthi ikhuphule isikhathi, hhayi umkhawulo, yilokho ongeke uqaphele.

Ingabe 3GP Isici izonciphisa ukhwalithi ye 3GP videos yami?

Kuxhomekeka ukuthi ngabe umsebenzi udinga uku-code kabusha. Ukusebenza okuthinta kuphela isikhala noma i-timeline kwenziwa njengekhophi yo fluxu futhi isithombe sifana kakhulu nomsuka. Noma yini edinga ukudweba kabusha amafreyimu idlula x264/x265 ku-quality level obekwe kuyo, lapho i-CRF 23 ibonakala icacile ku-footage eningi.

Kungani isayithi elisha lefomethi lisebenza 3GP Isici?

WEBP.to ifakwe ngokuya ngendawo emisha yokushintshana kwazo zonke izilungiselelo ezidala: ifomu elilodwa elikwenza i-lossy, lossless, alpha ne-animation, futhi lihlala lincane kune-JPEG noma i-PNG eyavela kuyo. Abantu bafika lapha bethathe isinqumo sokuthi amaphutha adlulele abiza i-bandwidth, futhi lo sinqumo siphakamisa isikhala: yini ubukhulu, yini ubuhle, yini ekwenzeni ukubukeka. 3GP Isici ku-upload efanayo ne-akhawunti efanayo ngakho-ke lezi mibuzo ziphendulwa endaweni eyodwa.

Uma i 3GP Isici iphume, yini efanele kwenziwe ngemuva?

Umguquli kule ndawo uhambisa izithombe ku-WebP, PNG, JPG ne AVIF, lapho ukhetha khona ukuthi ihele elincane lizolahlekelwa yimiboniso eminingi. Ukwenza lokhu ngokulandelana kubaluleke kakhulu: khetha ama-pixels kuqala futhi ibhokisi ngemuva, ngoba ibhokisi liyisinqumo esiphansi futhi ama-pixels abiza kakhulu.

Ingabe amasayithi afana nawo asebenza ngento ehlukile?

Ama-engine afana — ama-library afanayo, abasebenzi abafanayo, ama-caps afanayo. Okuhlukile ukuthi umbono uxhunywe, futhi umbono uhlala lapha ku-property yefomethi lendawo ibizwa ngemuva: i-.webp efana nengxenye ingagcina i-VP8 elahlekile, elahlekile, noma i-animated, ngakho-ke indlela yokusebenza efanele isinqunywa ngefayela ngalinye ngaphezu kwengxenye ngayinye.

Yini ezoba nehele lami, futhi ngabe i-akhawunti idingeka?

Akukho akhawunti, futhi akukho okugcinwa: ukuthunyelwa kususwa kubasebenzi ngemuva komsebenzi ophelile, futhi akukho okuhlolwa, okudwetshwe noma okuhlolwe. Ama-akhawunti akhona kuphela ngembali nenani leqembu.