Zadzisa Vhidhiyo Codec Kuenzanisa Guide
Kuongorora kwakadzama kwemakodheki emazuva ano evhidhiyo anosanganisira H.264/AVC, H.265/HEVC, VP9, AV1, nezvimwe. Tsvaga iyo yakakwana codec yekutepfenyura kwako, kugadzira, kana kuchengetedza zvinodiwa.
Zviri Mukati
- Nhanganyaya yeVhidhiyo Codecs
Dzidza izvo zvakakosha zvekumanikidza kwevhidhiyo uye nei macodecs akakosha pakutepfenyura nekuchengetedza.
- Yakakura Vhidhiyo Codecs Overview
Detailed analysis of H.264/AVC, H.265/HEVC, VP9, AV1, uye mamwe macodecs anokosha evhidhiyo.
- Codec Kuenzanisa Tafura
Side-ne-parutivi tekinoroji kuenzanisa kwekumanikidza kusimba, mhando, uye kuenderana.
- Evolution yeVhidhiyo Codecs
Iyo nhoroondo kusimukira uye kufambira mberi kwetekinoroji muvhidhiyo compression tekinoroji.
- Shandisa Nyaya uye Mazano
Ndeipi codec inoshanda zvakanyanya kutenderera, kugadzira, kuchengetedza, uye mamwe chaiwo mamiriro.
- Technical Deep Dive
Yepamberi tekinoroji yekuongorora yekodhi yemukati, bitrate kunyatsoshanda, uye encoding nzira.
- Mibvunzo Inowanzo bvunzwa
Mhinduro kumibvunzo yakajairika pamusoro pevhidhiyo codec kusarudzwa, kugarisana, uye kuita.
Nhanganyaya yeVhidhiyo Codecs
Vhidhiyo macodecs ndiyo ibwe rekona redhijitari vhidhiyo tekinoroji, inogonesa kuchengetedza kwakanaka uye kutapurirana kwevhidhiyo zvemukati pamapuratifomu akasiyana uye zvishandiso. Mugwaro rino rakazara, tichaongorora akanyanya kukosha evhidhiyo macodecs aripo nhasi, enzanisa masimba avo uye kusasimba kwavo, uye kukubatsira iwe kusarudza iyo chaiyo codec yezvaunoda chaizvo.
Kunyangwe iwe uri mugadziri wezvemukati, wekutepfenyura sevhisi, kana unongoda kuziva kuti mavhidhiyo ako aunofarira anosvika sei pachiratidziro chako, kunzwisisa macodecs evhidhiyo kwakakosha mune yanhasi yedhijitari ecosystem.
Sei Vhidhiyo Codecs Inokosha
Vhidhiyo macodecs (compression/decompression algorithms) inoshanda semusana wekugovera mavhidhiyo edhijitari, zvichiita kuti vhidhiyo yemhando yepamusoro ichengetedzwe zvakanaka uye ifambiswe pamanetiweki ane bandwidth shoma. Iyo chaiyo codec sarudzo inogona kukanganisa zvakanyanya:
Saizi Yefaira
Macodecs emazuva ano anogona kuderedza saizi yefaira revhidhiyo kusvika pa50-80% zvichienzaniswa nefomati dzechikuru uchichengeta mhando yekuona.
Kugarisana
Zvishandiso zvakasiyana uye mapuratifomu anotsigira akasiyana macodec, anokanganisa kupi uye sei mavhidhiyo ako anogona kutariswa.
Kutenderera Hunhu
Anoshanda macodecs anobvumira kugadziriswa kwepamusoro uye kutenderera kwemhando yepamusoro kunyangwe pane mashoma bandwidth yekubatanidza.
Kushandisa Simba
Mamwe macodecs anoda simba rakawanda rekugadzirisa kuti atore kodhi, achikanganisa hupenyu hwebhatiri pane nharembozha.
Kudzvanya kwevhidhiyo kunoshanda nekubvisa dhata rekuona zvisina basa nenzira dzisingaonekwe neziso remunhu. Iyi nzira inosanganisira nzira dzakasiyana dzinosanganisira:
- Spatial compression: Kuderedza redundancy mukati memunhu mafuremu
- Temporal compression: Kuchengeta chete misiyano pakati peakatevedzana mafuremu
- Entropy coding: Kushandisa nzira dzenhamba kumiririra mapatani akajairika zvakanyanya
- Chroma subsampling: Kuderedza ruzivo rwemavara ayo maziso evanhu asinganyanyi kutarisika
Sezvo isu tichienzanisa akasiyana macodecs mukati megwaro iri, isu tichaongorora kuti imwe neimwe inoshandisa sei matekiniki aya uye zvinokonzeresa tradeoffs pakati pemhando yekuona, kushanda nesimba, uye computational zvinodiwa.
Yakakura Vhidhiyo Codecs Overview
H.264 / AVC
H.264 (Advanced Vhidhiyo Coding) inoramba iri iyo inotsigirwa nevakawanda vhidhiyo kodheki pamidziyo yese nemapuratifomu. Yakagadziridzwa neITU-T Vhidhiyo Coding Nyanzvi Boka uye ISO/IEC MPEG, inopa yakanakisa chiyero pakati pekumanikidza kunyatsoita uye decoding kuoma.
- Inotsigirwa nezvinenge zvese zvishandiso uye mabhurawuza
- Hardware acceleration inowanikwa zvakanyanya
- Kuenzanisa kwakanaka kwehutano uye kudzvinyirira
- Low computational zvinodiwa
H.265 / HEVC
H.265 (High Efficiency Video Coding) ndiye anotsiva H.264, achipa angangoita 50% kudzvanya kuri nani pamwero wemhando imwechete. Iyo inonyanya kushanda kune 4K uye HDR zvemukati, kunyangwe ichida rimwe simba rekugadzirisa kuti encode uye decode.
- 50% nani kudzvanya pane H.264
- Yakanakira 4K uye HDR zvemukati
- Kukura rutsigiro rwehardware mumidziyo mitsva
- Tsigiro ye8K resolution
VP9
Yakagadzirwa neGoogle, VP9 isiri yehumambo-isina imwe nzira kune H.265 ine zvakafanana kudzvanya hunyanzvi. Inotsigirwa zvakanyanya mumabhurawuza uye yave iyo yakajairwa codec yeYouTube, ichipa kudzvanya kuri nani kupfuura H.264.
- Royalty-yemahara yakavhurika mwero
- Yakanakisa browser rutsigiro
- Kushanda kwakafanana neH.265/HEVC
- Inoshandiswa neYouTube nemamwe mapuratifomu ewebhu
AV1
AV1 ndeye yekucheka-kumucheto yakavhurika vhidhiyo codec yakagadziriswa neAlliance yeVhura Media (AOMedia), yakagadzirirwa kubudirira VP9 uye kukwikwidza neHEVC. Inopa zvingangoita 30% zviri nani kudzvanya pane VP9 uye H.265/HEVC pamutengo wepamusoro we encoding yakaoma.
- Yakanakisa compression inoshanda parizvino
- Royalty-isina nerutsigiro rweindasitiri yakakura
- Kukura kwebrowser uye rutsigiro rwepuratifomu
- Inowedzera kugamuchirwa nemakuru ekutepfenyura masevhisi
Codec Kuenzanisa Tafura
| Feature | H.264 (AVC) | H.265 (HEVC) | VP9 | AV1 |
|---|---|---|---|---|
| Compression Efficiency | Baseline | ~50% zviri nani pane H.264 | ~50% zviri nani pane H.264 | ~ 30% zviri nani pane HEVC/VP9 |
| Encoding Speed | Fast | Slow | Kunonoka zvikuru | Kunonoka zvakanyanya |
| Decoding Complexity | Low | Pakati | Pakati | High |
| Hardware Tsigiro | Universal | Zvakanaka (zvishandiso zvitsva) | Limited | Emerging |
| Browser Tsigiro | Mabhurawuza ese | Yakaganhurirwa (Safari, Edge) | Mabhurawuza makuru | Kukura (Chrome, Firefox, Edge) |
| Mobile Support | Zvese zvishandiso | Midziyo mitsva yakawanda | Android-yakatarisana | Zvishoma, kuvandudza |
| Max Resolution | 8K (isingawanzo shandiswa) | 8K | 8K | 8K+ |
| HDR Tsigiro | Limited | Excellent | Zvakanaka | Excellent |
| Rezinesi | Patent royalties | Patent royalties (yakakwirira) | Royalty-isina | Royalty-isina |
| Gore Rakabudiswa | 2003 | 2013 | 2013 | 2018 |
| Development | MPEG/ITU | MPEG/ITU | Alliance for Open Media |
Cherechedza: Kuenzanisa kwakanaka kwekuenzanisa kwakaenzana uye kunogona kusiyana zvichienderana nerudzi rwemukati, encoding marongero, uye kuita. Kubudirira kwakakosha kweAV1 kunowanzo kunouya nekunyanya kukwirira encoding kuomarara, zvichiita kuti ive yakakodzera kune izvo zvinozoiswa encoded kamwe chete uye zvinoridzwa kakawanda.
Evolution yeVhidhiyo Codecs
Vhidhiyo codec tekinoroji yakashanduka zvakanyanya mumakumi emakore, nechizvarwa chega chega chichiunza kuvandudzwa kwakakura mukuita kwekumanikidza uye kunaka kwekuona. Kunzwisisa shanduko iyi kunopa mamiriro akakosha ekuongorora sarudzo dzanhasi uye kutarisira zvichaitika mune ramangwana.
MPEG-1 uye MPEG-2
Yekutanga yakakura yedhijitari vhidhiyo zviyero, MPEG-2 yakava hwaro hweDVD vhidhiyo uye dhijitari terevhizheni kutepfenyura. Aya macodecs ekutanga akasimbisa maitiro akakosha ekumanikidza kwevhidhiyo yemazuva ano.
H.264/AVC
Chiratidzo mukutsikirira kwevhidhiyo, H.264 yakapa kuvandudzwa kwakanyanya pamusoro peMPEG-2, ichigonesa HD vhidhiyo kutenderera uye Blu-ray discs. Iyo inoramba iri iyo yakanyanya kutsigirwa pasi rose codec angangoita makumi maviri emakore gare gare.
VP8
Google yakawana uye yakaburitsa VP8 seimwe nzira yakavhurika kune H.264. Kunyange isina kumbobvira yawana kugamuchirwa kwakafanana, yakaisa hwaro hwekuvandudza kweGoogle kodeki uye kufamba kwehumambo-isina codec.
H.265/HEVC uye VP9
Aya macodecs anokwikwidza akabuda panguva imwe chete, ose achipa anenge 50% zviri nani compression kupfuura H.264. HEVC yakatarisana nekutepfenyura uye nehunyanzvi maapplication nepo VP9 yakawana niche yayo muwebhu vhidhiyo.
AV1
Yakagadziridzwa neAlliance yeVhura Media (inosanganisira Google, Mozilla, Netflix, Amazon), AV1 inosanganisa zvakanakisa zvinhu zveVP9 uye mamwe macodecs ekuyedza kugadzira humambo-yemahara mwero nekunyanya kudzvanya hunyanzvi.
H.266/VVC
Versatile Video Coding (VVC) ndiye mutsivi weHEVC, achipa anenge 50% zviri nani compression kupfuura HEVC/H.265. Iyo inonyanya kunanga 8K resolution, HDR zvemukati, uye yepamusoro-mhando yemavhidhiyo ekutepfenyura maapplication.
AV2 & AI-yakavakirwa Codecs
Chizvarwa chinotevera chemacodecs chingangobatanidza kudzidza muchina uye neural network kuti iwane yakatonyanya kudzvanya kunyatsoshanda, nebudiriro yatove kuenderera kune anotsiva AV1.
Maitiro Akakosha muCodec Evolution
Mapatani akati wandei akajeka akabuda sezvo vhidhiyo codec tekinoroji yafambira mberi:
Kubudirira Kunowana
Chizvarwa chitsva chega chega chinopa 30-50% bitrate kudzikiswa kwemhando imwechete kana ichienzaniswa neyakatangira.
Complexity Kukura
Encoding kuoma kunowedzera zvakanyanya nechizvarwa chimwe nechimwe, ichida zvimwe zviwanikwa zvemakomputa.
Open vs. Proprietary
Makakatanwa ari pakati pezviyero zvakavharirwa patent (H.264/H.265) uye dzimwe nzira dzisina humambo (VP9/AV1) dzakagadzirisa mamiriro.
AI Integration
Kudzidza kwemichina kuri kuiswa mumacodecs matsva kune mamwe akangwara ekumanikidza sarudzo.
Shandisa Nyaya uye Mazano
Akasiyana evhidhiyo maapplication ane akasiyana zvinodiwa, uye yakanakisa codec sarudzo inoenderana neyako chaiyo yekushandisa kesi. Heino ongororo yedu yekuti ndeapi macodecs anokunda mumamiriro akasiyana siyana, tichifunga kuenderana, mhando, uye kufunga kwakanaka.
Webhu Vhidhiyo Kutenderera
Kune webhu-yakavakirwa vhidhiyo mapuratifomu, kusarudzwa kwecodec kunofanirwa kuenzana nekutsikirira kunyatsoshanda nebrowser inoenderana. Kuendesa akawanda macodec sarudzo kuburikidza neadaptive kutenderera ndiyo nzira inokurudzirwa.
H.264 VP9 AV1Mobile Vhidhiyo
Zvishandiso zvefoni zvine bandwidth shoma uye simba rekugadzirisa. Hardware-inokwidziridza decoding yakakosha kuhupenyu hwebhatiri, zvichiita kuti macodecs anotsigirwa zvakanyanya afarirwe kunyangwe kudzvanywa kwekutengesa-offs.
H.264 H.2654K/HDR Zvemukati
Yakakwirira-resolution, yakakwirira-simba-renji yemukati inoda macodecs ane yepamusoro compression kunyatsoshanda kuchengetedza saizi yefaira uye bandwidth zvinodiwa zvinogoneka uchichengetedza kunaka kwekuona.
H.265 VP9 AV1Kugadzira Vhidhiyo
Kugadziridza kwevhidhiyo uye kufambiswa kwebasa, macodecs anofanirwa kuenzanisa mhando, kugadzirisa-ushamwari, uye kugona kwemakomputa. Nyanzvi dzakawanda dzinoshandisa macodecs ekugadzira akasarudzika asati asvika kwekupedzisira.
ProRes DNxHD H.264 (yakakwirira bitrate)Broadcast Terevhizheni
Nhepfenyuro ine zvimwe zvinodiwa pakuvimbika, kunaka, uye kufambirana nezvivakwa zviripo. Mitemo yeindasitiri nemitemo inowanzoraira sarudzo dzekodeki.
MPEG-2 H.264 H.265Kutenderera Kwemutambo
Cloud mutambo wemitambo uye masevhisi ekutepfenyura emitambo anoda macodecs anopa yakaderera latency, inokurumidza encoding, uye kusimba kune yakaoma, inokurumidza kushandura zvirimo ine zvishoma zvigadzirwa.
H.264 H.265 AV1Low Bandwidth
Kune zvimiro zvine zvakakomba bandwidth zvisingakwanisi, senge nharembozha munzvimbo dzekumaruwa, macodecs anonyanya kushanda anopa yakanakisa mhando-ku-bitrate reshiyo kunyangwe yakanyanya kuoma encoding.
AV1 H.265Chengetedzo Makamera
Masisitimu ekutarisa anofanirwa kuenzanisa kuenderera kurekodha nemiganhu yekuchengetedza, kazhinji kuisa pamberi pekuchengetedza kwakanaka kwenguva refu pamusoro pemhando yekuona yakakwana.
H.264 H.265Archive Storage
Nekuchengetedza kwenguva refu, macodecs anofanirwa kuenzanisa kudzvanya kwakanaka neremangwana-proofing uye decoder kuwanikwa. Mamwe maapplication anoshandisa asingarasikike macodec kudzivirira kuderedzwa kwemhando.
H.265 FFV1 (isina kurasikirwa) ProResNguva Yekushandisa Newer Codecs
- Kana nzvimbo yekuchengetedza kana bandwidth inomanikidzwa zvakanyanya
- Zvemukati zvinozoiswa encoded kamwe chete asi zvinoridzwa kakawanda
- Paunenge uchitarisa mapuratifomu ane inozivikanwa codec rutsigiro
- Yepamusoro-resolution (4K/8K) uye yakakwirira dynamic range yemukati
- Kana encoding nguva haisi chinhu chakakosha
Nguva Yekugara neH.264
- Kana yakakura mudziyo uye chikuva kuenderana kunodiwa
- Zvehupenyu encoding mamiriro ane mashoma ekombuta zviwanikwa
- Kana encoding kumhanya kwakakosha kupfuura saizi yefaira
- Zvezvinyorwa zvinoparadzirwa zvishoma kana hupenyu hupfupi
- Paunenge wakanangana nezvishandiso zvekare pasina kukwidziridzwa kwehardware kune nyowani macodecs
Technical Deep Dive
Kune avo vanofarira maitiro epasi emazuva ano evhidhiyo macodecs, chikamu ichi chinoongorora hwaro hwehunyanzvi uye hutsva hunogonesa kudzvanya kwakanaka uchichengetedza kunaka kwekuona.
Makiyi Ekumanikidza Tekinoroji mune Yemazuvano Codecs
Vhidhiyo compression inovimba akati wandei akakosha matekiniki akashanduka zvakanyanya muzvizvarwa zvecodec. Kunzwisisa misimboti iyi yakakosha kunobatsira kutsanangura mutsauko unoshanda pakati pemacodecs:
Spatial Compression (Intra-frame)
Ese macodecs emazuva ano anodzvanya mafuremu ega ega achishandisa shanduko yekukodha, kazhinji ine akasiyana eDiscrete Cosine Shanduko (DCT). Iyi nzira inoshandura dhata yepixel yepakati kuita frequency coefficients, ichibvumira ruzivo rusingaonekwe kuti ruchengetwe nemabhiti mashoma.
- H.264 inoshandisa 4 × 4 uye 8 × 8 DCT inoshandura
- H.265 inowedzera kusvika kushanduko huru (kusvika ku32 × 32) kuti iwedzere kunyatsoita kudzvanya kwenzvimbo dzakadzama
- VP9 inoshandisa shanduko kubva ku4 × 4 kusvika ku32 × 32
- AV1 inowedzera isina-square inoshandura uye inogona kushandisa shanduko inosvika 64 × 64, ichibvumira kuchinjika kuri nani kune zvirimo.
Temporal Compression (Inter-frame)
Iwo makuru ekumanikidza anowanwa anobva mukushandisa kufanana pakati pemafuremu akateedzana. Panzvimbo pekuchengetedza furemu yega yega zvizere, macodecs anochengeta mafambiro mavheji uye misiyano yakasara:
- H.264 inoshandisa akasiyana block saizi kubva 16 × 16 pasi kusvika 4 × 4 yekufambisa muripo
- H.265 inosuma inochinjika kupatsanura neCoding Tree Units (CTUs) kusvika ku64 × 64, iyo inogona kudzokororwa yakakamurwa mune quadtree chimiro.
- VP9 inotsigira yakafanana hierarchical block partitioning scheme ine “superblocks” inosvika 64 × 64.
- AV1 inowedzera dzimwe sarudzo dzekuparadzanisa dzinosanganisira asymmetric splits uye makomisheni ekufanotaura modes
Kufanotaura Nzira
Nzira dzekufanotaura dzepamberi dzinobatsira macodecs kutarisira zvirimo pasina kuzvichengeta zvakajeka:
- Intra-prediction: Inofanotaura zvidhinha kubva kune yakatodhindwa mapikiseli evavakidzani mukati meiyo furemu imwechete
- Inter-prediction: Inofanotaura zvidhinha kubva kumafuremu akadhindwa kare
- Kufanotaura kweBi-directional: Inofanotaura uchishandisa ese akapfuura uye emangwana mafuremu
Macodecs matsva anounza maitiro ekufungidzira akaomarara, aine AV1 inopa 56 intra-prediction modes zvichienzaniswa neH.264’s 9 uye HEVC’s 35.
Technical Insight: Kubudirira kunoshamisa mumakodeki emazuva ano kunobva zvakanyanya kubva kune akaomesesa ekuganhura uye ekufanotaura zvirongwa pane zvakakosha mitsva yekumanikidza. Aya magadzirirwo anobvumira macodecs kuti agadzirise zvirinani kune akasiyana emukati mhando, kubva kune inokurumidza kufamba zviratidziro kuenda kune yakamira kumashure ane ruzivo rwakanaka.
Mibvunzo Inowanzo bvunzwa
Ndeipi vhidhiyo codec inonyanya kuenderana nepasirese?
H.264 (AVC) inoramba iri iyo vhidhiyo codec inoenderana nepasi rose, inotsigirwa nemidziyo ingangoita yemazuva ano, mabhurawuza, uye mapuratifomu akagadzirwa mumakore 15+ apfuura. Ndiyo sarudzo yakachengeteka kana zvirimo zvichifanira kuridzwa kwese kwese pasina kudiwa akawanda mafomati shanduro.
Ndeipi codec inopa yakanakisa mhando-kusvika-saizi reshiyo?
AV1 parizvino inopa yakanakisa kudzvanya kweyero (quality-to-size ratio) pakati pemakodheki anotengeswa, inosvika 30% iri nani kudzvanya pane H.265/HEVC uye VP9 pamhando yekuona yakafanana. Nekudaro, izvi zvinouya pamutengo wepamusoro zvakanyanya encoding kuomarara uye nerutsigiro rushoma rwehardware. Kune akawanda anoshanda maapplication, H.265/HEVC uye VP9 inopa chiyero chakanakisa chekushanda uye kushanda.
Ndinosarudza sei pakati peH.265/HEVC neVP9?
H.265 / HEVC uye VP9 inopa zvakafanana kudzvinyirira kushanda (inenge 50% zviri nani kupfuura H.264), asi zvakasiyana mukupa marezinesi uye kutsigirwa kwe ecosystem. Sarudza H.265/HEVC paunenge wakanangana nemidziyo yeApple, maTV akangwara, uye kufambiswa kwevhidhiyo kwehunyanzvi uko kukwidziridzwa kwehardware kwakakosha. Sarudza VP9 yewebhu-yakavakirwa zvemukati, YouTube optimization, uye kana kudzivirira mari dzepatent ndiyo inonyanya kukosha. Mazhinji makuru ekutepfenyura mapuratifomu anopa zvemukati mune ese mafomati kuburikidza neadaptive kutenderera.
AV1 yakagadzirira kushandiswa zvakanyanya here?
AV1 iri kuramba yakagadzirira kushandiswa zvakanyanya mumamiriro ezvinhu chaiwo, kunyange zvazvo isati yasvika pasi rose seH.264. Masevhisi makuru ekutepfenyura seYouTube, Netflix, uye Facebook ikozvino shandisa AV1 yekusarudza zvemukati, kunyanya kune bandwidth-inomanikidzwa mamiriro. Tsigiro yebhurawuza yakanaka (Chrome, Firefox, Edge), uye tsigiro yehardware iri kuwedzera mumidziyo mitsva. Nekudaro, encoding inoramba iine computation yakanyanyisa, ichiita kuti ive yakanyatsokodzera zvemukati izvo zvinozoiswa encoded kamwe chete asi zvichiridzwa kakawanda, kana kune mamiriro apo bandwidth savings inodarika mutengo weencoding.
Zvakadini neYouTube? Ndeipi codec yandinofanira kushandisa pakurodha?
Zvekurodha paYouTube, tarisa pakupa faira remhando yepamusoro pane kufanogadzirisa nekodeki chaiyo. YouTube inoshandura zvese zvakakwidzwa kuita akawanda mafomati (H.264, VP9, ​​uye ichiwedzera AV1) kune akasiyana ekutamba ekutamba. Kuti uwane mibairo yakanaka, isa muH.264 ine yakakwira bitrate kana ProRes kana iripo. YouTube inokurudzira kuchengetedza yako yepakutanga furemu chiyero uye kugadzirisa kusvika ku8K, vachirega sisitimu yavo ibate optimization yeakasiyana maturusi ekutamba uye kumhanya kwekubatanidza.
Ko akasiyana evhidhiyo macodecs anobata CPU/GPU kushandiswa panguva yekutamba?
Hongu, zvakanyanya. Nyowani, inoshanda zvakanyanya macodecs kazhinji inoda simba rakawanda rekugadzirisa kudhidha kunze kwekunge kukwidziridzwa kwehardware kunowanikwa. H.264 decoding ihardware-inokwidziridzwa pamidziyo yese yemazuva ano, zvichiita kuti ishande nesimba. H.265/HEVC uye VP9 vane tsigiro yakanaka asi kwete yepasi rose, kunyanya pamidziyo mitsva. AV1 hardware decoding ichiri kubuda asi iri kuramba ichiwanikwa paazvino-chizvarwa maGPU uye mafoni processors. Software decoding yemacodecs epamusoro anogona kukanganisa zvakanyanya hupenyu hwebhatiri panharembozha uye zvinogona kukonzera kusashanda zvakanaka pamakomputa ekare.
Ndeupi musiyano uripo pakati pecodec nefomati yemidziyo?
Kodheki (seH.264, H.265, VP9) ndiyo algorithm inodzvanya nekudzikisa data yevhidhiyo, nepo chimiro chemudziyo (seMP4, MKV, WebM) ndicho chiputi chinobata vhidhiyo yakamanikidzwa, audio, subtitles, uye metadata pamwechete. Funga nezvekodheki senzira yekurongedza zviri mukati, ukuwo mudziyo uri bhokisi ravanenge vakarongedzerwa mariri. Semuyenzaniso, chigaba cheMP4 chinogona kubata vhidhiyo yakavharwa neH.264 kana H.265, pamwe chete neaudio mufomati yeAAC. Chigadziko chinotarisa kuenderana nevamwe vatambi uye mapuratifomu, nepo codec inotaridza kudzvanya kushanda uye kunaka.
Zvakadini neVVC/H.266 nemamwe macodecs emangwana?
Versatile Video Coding (VVC/H.266) ndiyo inotevera-chizvarwa codec kubva kumapoka eMPEG/ITU, achivimbisa nezve 50% zviri nani compression kupfuura HEVC/H.265. Kunyange chiyero chakapedzwa muna 2020, kutorwa kwakapararira kuchatora makore sezvo Hardware nerutsigiro rwesoftware ruchikura. Saizvozvo, iyo Alliance yeVhura Media iri kushanda paAV2, anotsiva kuAV1. Aya anotevera-chizvarwa macodecs ari kunyanya kunanga 8K vhidhiyo, chaiyo chaiyo, uye yakanyanya bandwidth-yakamanikidzwa maapplication. Pazvishandiso zvakawanda zvemazuva ano, kutarisa pamakodeki akaiswa zvakakwana (H.264, HEVC, VP9, ​​uye kuwedzera AV1) inoramba iri nzira inoshanda.
Sarudza iyo Yakakodzera Codec yeVhidhiyo Yako Inodiwa
Kunyangwe iwe urikutepfenyura zvirimo, kugadzira mavhidhiyo, kana kugadzira maapplication, kusarudza iyo yakakodzera codec kunogona kukanganisa zvakanyanya kunaka, kuenderana, uye kugona. Shandisa kuenzanisa kwedu kwakazara kuita sarudzo dzine ruzivo kune yako chaiyo yekushandisa kesi.