Babban shirin yadda aiki da kwayoyiwa,mai amfani da shi(JPG motsi)da kuma h264suna daga cikin mafi yawan amfani Formats, amma mai amfani da shi(JPG motsi)da kuma h264da bambance-bambance bayyananne.

Menene motsi jpeg (m-jpeg)?

mai amfani da shiYana amfani da matsawa jpeg daban-daban ga kowane firam na bidiyo. wannan yana ba da ingancin hoto mai kyau tunda kowane firam ba a matse shi ba dangane da sauran firam.mai amfani da shifayiloli ne sosai babban kamar yadda shi ba ya amfani da inter-frame daidaituwa.

Ga wasu muhimman siffofi na motsi jpeg:

ingancin hoto:ta hanyar matsewa frame ta frame,m jpegYana ba da mafi kyawun ingancin hoto a sakamakon haka. Saboda haka, a wannan batun yana ba da damar amfani da shi azaman maye gurbin haɗin babban bandwidth lokacin da cikakkun bayanai nabidiyon bidiyoDole ne a kiyaye su, misali hotuna na likita da gyaran bidiyo.

sauƙaƙewa:M-JPEG suna ceppuwa mai tsarin da ke gabatarwa a cikin aikin da kwayoyiwa. Ceppuwa ya soya rubutu na farko da na farko kuma baya dubuwa ga cewa ceppuwon guda daga wannan aiki.

samun dama ta hanyar bazuwar:don haka, kowane frame za a iya akayi daban-daban matsa wanda take kaiwa zuwa yiwu ( bazuwar) damar a kowane batu na video jerinm jpeg. kuma a cikin taro-ganewa hali shi na samar da sauri aiki amma ba dace da bambanci hakar da jinkirin motsi.

Girman fayil:Kana faruwarwa, wataƙen fayilin M-JPEG ya kamata mutane da ke samun ranar fayilin hanyar ceppuwon guda. A cikin wannan kasance, wani fitar da aka yi amfani'a ne ya komprees daidai. Wannan suna babu kwayoyin amfani'in fitar kuma ya fi sauran fayilin kashin da ke samun ranar storage.

Ƙungiyar bandwidth:kasancewar ya fi girma a girman fayil, codecs na m-jpeg zasu buƙaci ƙarin bandwidth don isar da su idan aka kwatanta da wasu. irin wannan fasalin na iya jin rashin dacewa a cikin yanayin ƙananan bandwidth na cibiyar sadarwa ko watsa bidiyo akan intanet.

Mene ne H.264?

H.264h, wanda ake kira mpeg-4 avc, yana amfani da lambar ƙira wanda ke nazarin duka sararin samaniya da lokaci a tsakanin firam. yana karya firam zuwa macroblocks kuma yana amfani da fasahar ƙira don cire bayanan da aka rage. a sakamakon haka, h.264 yana ba da matsi mafi girma don matakin inganci ɗaya kamar yaddam jpegtare da fayil masu girma har zuwa 80% karami.

Ga wasu muhimman siffofin H.264:

Ƙarfin ƙarfin matsawa: H.264hyana iya cimma mafi girman ƙarfin matsawa ta hanyar amfani da haɗin lokaci tsakanin firam maimakon firam ɗin mutum kamar yadda ya kasance a baya. yana amfani da ayyuka kamar kimanta motsi da biyan kuɗi don haifar da bambanci tsakanin firam, wanda ke haifar da ƙananan fayilolin fayiloli.

Bandwidth da ajiya:saboda ta high matsawa yadda ya dace, h.264 amfani da kasa bandwidth da ajiya sarari don watsa video fiye dam jpegWannan ya sa ya dace da dalilai wanda manufarsa ita ce ajiye bandwidth ko sararin ajiya, kamar watsa bidiyo da kuma bidiyo.

lokacin da aka yi amfani da shi: H.264hwannan na iya zama matsala don watsa bidiyo tare da ƙananan jinkiri (don taron bidiyo kai tsaye, misali, ko sabis na watsa shirye-shirye).

rikitarwa:h.264 na bukatar wani gagarumin yawan na'urorin sarrafa kwamfuta don coding da kuma decoding ayyukan. haka ne, an gane a matsayin mafi rikitarwa idan aka kwatanta dam jpegcodec. duk da haka, hardware hanzari da kuma sadaukar hardware ga encoding da decoding lokaci, sa da mawuyacin hali na wannan tsari mafi m.

jituwa: H.264h yana da fadi da daban-daban dandamali, na'urorin da software zažužžukan, yin shi mai kyau zabi ga wani coding da decoding algorithm. shi ne kuma jituwa tare da wani iri-iri na'urorin ciki har da wayoyin salula na zamani, Allunan, da kuma kafofin watsa labarai da 'yan wasan.

Babban bambanci tsakaninmjpeg da kuma h264 :

• m-jpeg ba ya goyon bayan siga gyare-gyare a bitrates tashar daban-daban yayin daH.264hyana da shi.
• h.264 ya fi siriri gaba ɗaya saboda ayyukan da suka fi rikitarwa a cikin ɓoye / ɓoyewa idan aka kwatanta da m-jpeg.
• m-jpeg ne free daga patents / lasisi halin kaka wanda shi ne kawai gaskiya gaH.264h.

yadda za azabar da hakkin codec?

idan kana da zabi tsakaninH264 motsi jpeg, to, ya kamata ka kula da abin da daidai da aikace-aikace na bukatar. idan image quality da kuma bazuwar damar ne top fifiko, alhãli kuwa ajiya sarari ko bandwidth ba wani sharudda,mai amfani da shiiya zama mai kyau zabi. akasin haka, waɗanda suka jaddada yadda ya dace, matsawa, rage girman fayiloli, da kuma karfinsu a tsakanin na'urorin ba fifiko ga h.264.

yana da daraja ambata cewa akwai wasu video codecs samuwa wasu daga cikinsu neH2O mai amfani(HEVC) da VP9 suna mai tsarin da ke samun ranar kwayoyiwa ga H.264. Suna iya yi amfani'a wannan ceppuwon guda idan ka ne za'a samun ranar kwayoyin abubuwan ko ka ne ba daidai ba a cikin amfani'in compatibility.

A karshe, tare da wannan ilmi game da bambanci tsakaninH264 motsi jpeg, zabar da hakkin video matsawa Codec for your aikace-aikace za a sanya sauƙin. tunani game da image quality, file size, bandwidth, latency, da kuma kama a lokacin da yin your yanke shawara da ke jituwa tare da bukatun.