Yuav ua li cas rub tawm cov yeeb yaj kiab Blob?

Raws li cov platform video online txuas ntxiv mus hloov zuj zus, ntau lub vev xaib tam sim no siv cov thev naus laus zis streaming siab heev los tiv thaiv lawv cov ntsiab lus. Ib qho tshwm sim ntawm qhov no yog kev siv dav dav ntawm cov yeeb yaj kiab blob, uas tsis tuaj yeem rub tawm siv cov kev xaiv "Txuag video ua" ib txwm muaj lossis cov cuab yeej rub tawm yooj yim. Yog tias koj tau sim rub tawm cov yeeb yaj kiab thiab ntsib URL txawv txawv pib nrog blob: lossis pom tias tsis muaj tus downloader twg nrhiav tau cov video, tej zaum koj tab tom cuam tshuam nrog cov video blob.

Hauv phau ntawv qhia no, peb yuav piav qhia txog cov yeeb yaj kiab blob yog dab tsi, vim li cas lawv thiaj nyuaj rau rub tawm, thiab coj koj mus rau ntau txoj hauv kev zoo los rub tawm cov yeeb yaj kiab blob.

1. Daim Video Blob Yog Dab Tsi?

Ib daim vis dis aus blob yog ib daim vis dis aus uas tau streamed siv Blob URL, ib qho browser-generated reference uas taw rau cov ntaub ntawv video khaws cia rau hauv lub cim xeeb ib ntus es tsis yog cov ntaub ntawv media ncaj qha rau ntawm lub server. Ib qho blob URL ib txwm zoo li no:

blob:https://example.com/xxxxxxxx-xxxx-xxxx

Tsis zoo li cov yeeb yaj kiab MP4 lossis WEBM uas muaj cov ntaub ntawv URL rub tawm tau, cov yeeb yaj kiab blob tau sib sau ua ke hauv browser siv cov thev naus laus zis xws li:

• HTML5 Media Source Extensions (MSE)
• HLS (.m3u8) streaming
• MPEG-DASH (.mpd) streaming

Es tsis txhob rub tawm ib daim video, lub browser txuas ntxiv thauj khoom thiab ua si ntau pua lossis ntau txhiab daim me me ntawm cov media. Txoj kev no txhim kho kev ua haujlwm streaming thiab pab cov platforms txwv tsis pub rub tawm yam tsis tau tso cai.

Cov yeeb yaj kiab Blob feem ntau pom ntawm:

• Cov platform kawm online
• Cov vev xaib ua tswv cuab thiab kev sau npe
• Cov kev pabcuam streaming
• Cov platform hosting video ntiag tug

2. Vim li cas cov yeeb yaj kiab Blob nyuaj rau rub tawm?

Cov yeeb yaj kiab Blob yog tsim los kom tsis txhob yooj yim rub tawm. Nov yog cov laj thawj tseem ceeb uas ua rau lawv nyuaj rau txuag:

• Tsis muaj URL ntawm cov ntaub ntawv tiag tiag : Cov yeeb yaj kiab tau muab sib sau ua ke hauv lub sijhawm tiag tiag los ntawm ntau ntu xov xwm me me.
• Kev Tshaj Tawm Segmented Cov yeeb yaj kiab raug muab faib ua ntau pua lossis ntau txhiab daim me me .ts los yog .m4s cov ntaub ntawv.
• Chaw Khaws Cia Ib Ntus Hauv Browser : Thaum nplooj ntawv kaw lawm, cov ntaub ntawv blob yuav ploj mus.
• Kev Tiv Thaiv DRM (Qee Qhov Xwm Txheej) Qee cov yeeb yaj kiab blob raug tiv thaiv los ntawm Digital Rights Management, uas tsis tuaj yeem raug cai lossis kev cai lij choj hla dhau.

Vim yog cov yam no, cov neeg rub tawm ib txwm thiab cov cuab yeej online feem ntau tsis tuaj yeem nrhiav pom lossis txuag cov yeeb yaj kiab blob.

3. Yuav ua li cas rub tawm cov yeeb yaj kiab Blob?

3.1 Siv Cov Cuab Yeej Tsim Kho Browser

Siv cov cuab yeej tsim tawm browser yog ib txoj hauv kev zoo tshaj plaws los rub tawm cov yeeb yaj kiab tsis yog DRM blob thaum khaws cia thawj qhov zoo.

Cov Kauj Ruam Qhia:

• Qhib nplooj ntawv web uas muaj cov yeeb yaj kiab blob, ces nias F12 kom qhib cov Cuab Yeej Tsim Tawm.
• Ua si daim vis dis aus thiab siv lub cuab yeej Element los nrhiav Blob URL.
• Luam qhov URL ntawm Blob thiab qhib nws hauv ib lub tab tshiab, tom qab ntawd rub tawm cov yeeb yaj kiab ntawm koj lub cuab yeej.

Pros:

• Khaws cov yeeb yaj kiab zoo thawj
• Tsis tas yuav rov ua dua encoding

Cons:

• Tsis ua haujlwm nrog cov yeeb yaj kiab uas tiv thaiv DRM
• Yuav tsum muaj qee qhov kev paub txog kev siv tshuab
• Cov URLs yuav tas sij hawm sai sai

3.2 Siv Cov Txuas Ntxiv ntawm Browser

Qee qhov browser extensions tuaj yeem ua kom yooj yim rau kev rub tawm cov yeeb yaj kiab blob los ntawm kev nrhiav cov ntaub ntawv streaming media.

Es tsis txhob rub tawm qhov URL blob nws tus kheej, cov extensions scan network traffic rau:

• Cov nkauj HLS
• Cov ntaub ntawv DASH
• Cov ntu xov xwm

Thaum pom lawm, lawv tso cai rau koj rub tawm lossis hloov cov kwj deg.

Cov kauj ruam:

• Nruab ib qho extension downloader uas muaj npe nrov xws li Video Downloader Professional.
• Ua si cov yeeb yaj kiab blob ntawm nplooj ntawv web thiab nyem rau ntawm lub cim txuas ntxiv.
• Xaiv cov kwj deg uas pom thiab pib rub tawm.

Pros:

• Yooj yim rau siv
• Tsis tas yuav muaj kev txawj hais kom ua
• Zoo rau cov neeg siv khoom siv sijhawm ntev

Cons:

• Feem ntau ua tsis tiav ntawm cov vev xaib tiv thaiv lossis ntiag tug
• Tej zaum yuav txwv qhov kev daws teeb meem hauv cov qauv pub dawb
• Kev txhawb nqa tsis zoo rau kev rub tawm ntau zaus

3.3 Siv FFmpeg

FFmpeg yog ib lub cuab yeej qhib muaj zog uas muaj peev xwm rub tawm thiab sib koom ua ke cov kwj dej raws li blob.

Thaum twg siv FFmpeg:

• Koj tau rho tawm ib qho .m3u8 los yog .mpd Qhov URL
• Koj xav tau kev tswj hwm tag nrho ntawm cov zis
• Koj nyiam qhov kev daws teeb meem pub dawb, qib kev tshaj lij

Cov Lus Qhia Tseem Ceeb ntawm FFmpeg:

ffmpeg -i "playlist_url" -c copy output.mp4

Cov lus txib no rub tawm txhua ntu thiab sib koom ua ke rau hauv ib qho video yam tsis tau rov encoding.

Pros:

• Dawb thiab qhib qhov chaw
• Khaws cia qhov zoo qub
• Txhawb yuav luag txhua hom ntawv streaming

Cons:

• Cov kab kawm hais kom ua
• Tsis muaj browser built-in
• Tsis zoo tagnrho rau kev rub tawm ntau

4. Advanced Bulk Download Blob Videos nrog VidJuice UniTube

Rau cov neeg siv uas xav tau kev daws teeb meem ceev, txhim khu kev qha, thiab yooj yim rau cov neeg pib tshiab, VidJuice UniTube yog ib qho ntawm cov cuab yeej zoo tshaj plaws rau kev rub tawm cov yeeb yaj kiab blob hauv ntau.

VidJuice UniTube yog ib qho kev tshaj lij desktop video downloader tsim los tswj cov hom ntawv streaming nyuaj, suav nrog cov yeeb yaj kiab raws li blob xa los ntawm HLS thiab DASH.

Cov yam ntxwv tseem ceeb ntawm UniTube:

• Built-in browser rau kev nkag mus ruaj ntseg
• Kev tshawb nrhiav tsis siv neeg ntawm cov kwj deg zais cia
• Kev txhawb nqa rau kev rub tawm siab daws teeb meem (HD, 4K, 8K)
• Ib qho nias rub tawm ntau
• Kev rub tawm ceev ceev yam tsis muaj kev poob zoo
• Txhawb nqa 10,000+ lub vev xaib

Yuav ua li cas rub tawm Blob Videos nrog VidJuice UniTube

• Nruab VidJuice UniTube rau ntawm koj lub khoos phis tawj Windows lossis macOS kom pib.
• Qhib lub browser built-in thiab nkag mus rau hauv lub vev xaib video.
• Ua si cov yeeb yaj kiab blob uas koj xav rub tawm thiab cia UniTube tshuaj xyuas cov ntaub ntawv streaming.
• Xaiv hom ntawv video thiab qhov kev daws teeb meem, ces nyem Download kom txuag tau cov video tam sim ntawd.

Yog xav tau ntau cov yeeb yaj kiab, tsuas yog ntxiv lawv rau hauv kab rub tawm thiab rub tawm txhua yam hauv ib zaug xwb.

5. Cov lus xaus

Cov yeeb yaj kiab Blob yuav zoo li tsis yooj yim rub tawm thaum xub thawj, tab sis nrog cov cuab yeej thiab cov txheej txheem zoo, lawv tuaj yeem ua haujlwm tau zoo. Cov cuab yeej tsim tawm browser thiab FFmpeg muab cov kev daws teeb meem zoo rau cov neeg siv khoom siv thev naus laus zis, thaum cov browser extensions muab kev yooj yim rau cov haujlwm yooj yim. Txawm li cas los xij, cov txheej txheem no feem ntau tsis ua haujlwm thaum cuam tshuam nrog ntau cov yeeb yaj kiab lossis cov qauv streaming nyuaj.

Rau cov neeg siv uas nyiam qhov ceev, zoo, thiab yooj yim siv, VidJuice UniTube sawv tawm ua qhov kev daws teeb meem zoo tshaj plaws. Nws lub peev xwm los ntes cov yeeb yaj kiab blob thiab rub tawm lawv ua ntau ua rau nws zoo tagnrho rau cov pib tshiab thiab cov kws tshaj lij. Yog tias koj tsis tu ncua rub tawm cov yeeb yaj kiab streaming thiab xav tau kev paub tsis muaj teeb meem, VidJuice UniTube yog pom zoo heev.