Mataki na 1: Loda naka 3GP fayiloli ta amfani da maɓallin da ke sama ko ta hanyar ja da sauke su.
Mataki na 2: Danna maɓallin 'Maida' don fara hira.
Mataki na 3: Sauke fayil ɗin da aka canza WebM fayiloli
3GP zuwa WebM Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan sake enkoɗa 3GP zuwa WebM ba tare da rasa ingancin bidiyo ba?
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Ka saukar da fayil ɗinka 3GP kuma mai canzawa zai yi aiki da wani CRF-da aka gina kan sake-sauya-kodi mai nufin fitarwa mai gani-ba-da-hasara WebM (CRF 18 bisa diff, ƙananan kimar = fitaccen fayil / mafi kyawun inganci). An zaɓi codec don ya haɗu da WebM ƙofar — H.264 don MP4 mai girma, H.265 don MKV mai girma, VP9 ga WebM, AV1 ga sabon pipes. 3GP yana da H.263 ko MPEG-4 Sashe na 2 bidiyo tare da AMR narrowband magana sauti, duk tuned ga mafi ƙarancin bitrate fiye da inganci. WebM an yi shi da nufin ya zama mai ƙunci: VP8 ko VP9 bidiyo (AV1 da aka fi amfani da shi a baya) tare da Vorbis ko Opus sauti, da kuma komai na daban.
Yanzu. 3GP ba ta da wata hanyar amfani da zanen-rubutun-ƙasa ba, don haka an buɗe zanen-rubutun ga 3GP abun ciki cikin hoton ko kuma an aika da shi kamar fayil na daban. WebM yana da zanen-rubutun kamar yadda zanen-rubutun na su na iya zabar ruwa, don haka bayan canjawa zaka iya haɗa wata hanyar SRT da mai kallo zai iya kunnawa, da kashewa ko kuma sake fasalin.
Shin, za a yi wasa da WebM a cikin wani shafukai idan 3GP bai yi ba?
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Yanzu, wannan shi ne dalilin da ya sa aka yi wannan canji. 3GP da aka saka cikin wani shafi na yanar gizo yana nuna wani mai wasa da ya karya ko kuma yana tilasta wani saukewa, saboda masu bincike ba su da wani mai decoder don shi. WebM yana wasa cikin layin ta hanyar ɓangaren bidiyo na HTML5 na asali ba tare da wata ƙara ba da kuma ba tare da wata shirin ayuka na waje ba. WebM yana wasa a cikin kowane mai bincike na zamani ba tare da wata ƙaramar taga ba, ba tare da wata kudin lasisin ba da kuma ba tare da wata bayyanar patent ba, wanda ke sa shi ya zama diff ga bidiyo mai shigar da yanar gizo.
3GP da WebM duka suna da kwalban zamani - wane ne zan riƙe?
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@ action 3GP fayiloli ne ƙarami da decode a kan mafi rauni kayan aiki iya tunanin, wanda shi ne dalilin da ya sa feature wayoyin da low-end wayoyin hannu har yanzu record shi.
Mene ne codec ɗin bidiyo da fitarwa WebM take amfani dashi?
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Yana dogara ga abin da ke cikin WebM. MP4 na da diff zuwa H.264 domin mafi fadin goyon baya na wasa a kan wayoyin hannu, na'urorin bincike, da Smart TVs. MKV na da diff zuwa H.265 / HEVC don kusan rabin girman fayil da inganci mai kama da. WebM na da diff zuwa VP9. Zaɓuɓɓukan ci gaba suna nuna zaɓin codec mai bayyananne idan kana buƙatar sake shi. WebM ne mai tsanani subset na Matroska da Google ya buga a cikin 2010 musamman don ba HTML5 bidiyo a royalty-free jakar.
Shin waƙoƙina na sauti za su iya tsira daga canji daga 3GP zuwa WebM?
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Na'am. Idan 3GP da WebM suna raba codec na sauti (misal, suna da AAC), za'a sake-muxed sauti ba tare da sake-encode ba - bit-identical. Idan codecs sun bambanta, za'a sake-encode sauti zuwa AAC / Opus / Vorbis dangane da abin da mai riƙe da WebM ke goyon baya. An kiyaye sauti mai layuka da yawa (waƙoƙin sharhi, yarukan dabam-dabam).
Shin zan iya riƙe ƙimar firam na asali idan na canja 3GP zuwa WebM?
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A bisa diff, na'am — 24fps 3GP zai zauna 24fps a cikin WebM; 60fps 3GP zai zauna 60fps. Idan kana buƙatar canza adadin (misali, interlaced 29.97 → progressive 30, ko 60 → 30 don iyakancewar aikawa), zaɓin adadin firam na kula da 3:2 pulldown, deinterlacing, da kuma haɗe-firam a cikin mataki ɗaya na encoding.
Menene girman fayil ɗin zai canza daga 3GP zuwa WebM?
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Re-mux na codec-daidai (3GP H.264 → WebM H.264 kawai yana canja kwandon): girman da ya fi daidai. Canjin codec na iya sauya sosai: H.264 → H.265 na iya raba fayil zuwa rabinsa da ingancin gani na daidai; VP9 yana da kama da haka; AV1 na yanke wani 20-30% amma yana da sauri wajen encoding.
Shin fayil WebM zai iya wasa a kan iPhone, Android, da Smart TVs?
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MP4 / H.264 yana wasa a kan kowane na'ura mai zaman kansa. MOV / H.264 yana wasa a kan na'urorin Apple da TVs amma ba koyaushe ba a kan Android na daɗaɗɗen. MKV yana buƙatar VLC akan iOS. WebM shine mai bincike na farko. Zaɓuɓɓukan ci gaba sun haɗa da "haɗin kai na na'ura" da aka ƙayyade da farko wanda ke zaɓar mafi aminci WebM codec / kwandon don manufarka. WebM ne wani mummunan fit duk inda a waje na wani mai bincike - video edita, na'urorin' na asali gallery da Smart TVs sosai la'akari da shi.
Menene lokacin da ake buƙata don canja bidiyo mai awa 1 daga 3GP zuwa WebM?
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Same-codec re-mux yana kusa da lokaci-da-lokaci — sakan 30 zuwa 60 ga fayil na sa'a 1. Full codec re-encode yana tafiyar da kusan 0.3-0.7x lokacin asali a kan GPU pipeline ɗinmu, don haka sa'a 1 3GP → WebM ya ƙare cikin minti 18-40 dangane da daidaita da manufar codec.
Mene ne mafi girman ma'ana da ake goyon baya ga 3GP zuwa WebM?
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Har zuwa 8K (7680×4320) akan Premium plans. Free conversions are capped at 4K (3840×2160) by the per-file size limit. HDR metadata (HDR10, HDR10+, Dolby Vision when present) is carried through where both 3GP and WebM containers support it.
Shin bidiyo na 3GP na sirri ne yayin canjawa zuwa WebM?
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Na'am. An yi amfani da fayilolin bidiyo da aka tura a cikin masu aiki masu tsalle-tsalle, ba a taba ganinsu da wani mutum ba, ba a taba sanya su cikin indiya ba, kuma an share su cikin mintina bayan kammalawa. An yi takardar tagar tsare-tsaren a /privacy/ kuma ba mu wallafa wata takardar koyarwar koyarwar daga masu turawa na masu amfani ba.
3GP shine tsarin kwantena multimedia da aka kirkira don wayoyin hannu na 3G. Yana iya adana bayanan sauti da bidiyo kuma ana amfani da shi don sake kunna bidiyo ta hannu.
