AVI BMP

Beddel Adiga AVI ilaa BMP si aan dadaal lahayn

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Sida loo beddelo AVI ilaa BMP

Tallaabada 1aad: Soo geli AVI faylasha adoo isticmaalaya badhanka kore ama jiid oo hoos u dhig.

Tallaabada 2: Guji badhanka 'Beddelaan' si aad u bilowdo beddelka.

Tallaabada 3: Soo dejiso faylasha aad bedeshay BMP faylasha


AVI ilaa BMP Su'aalaha Badiya La Weydiiyo Ee Ku Saabsan Beddelka

Sideen u soo saaraa frame kasta oo ka mid ah AVI sida BMP sawir?
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Soo deji faylka AVI oo soo beddelaha wuxuu muujinayaa doorbidka soo-saarka frame-ka: frame kasta oo Nth ah, frame-yada marka la go'aaminayo, ama mid kasta oo frame ah oo la doortay. Frame kasta oo la doortay waxaa laga soo dejiyay AVI video stream, loona beddelay fayl gaar ah BMP, oo loo soo ururiyey ZIP loogu talagalay soo dejinta. AVI waa Microsoft Audio Video Interleave, soo bandhigay 1992 korka RIFF chunk format - mid ka mid ah baakadaha ugu da'da weyn weli ku wareegsan. BMP waa Windows Bitmap, qaabka raster raw dhisay-in Windows tan iyo 1985.
Maaddaama asalka uu yahay mid isku mid ah. AVI waxyaabaha ka soo baxa wakhtiga warbaahinta iyo DVD waxay kaydiyaan laba qeybood oo dherer ah oo frame kasta ah, waxay qabteen shan iyo toban daqiiqo oo kala duwan, iyo mid waliba oo si toos ah u soo baxaya ayaa muujinaya in labadaba la isku qurxiyo oo ay ku jiraan wax kasta oo la dhaqaajin karo.
Haddii kaliya AVI marnaba ma ay ku gubatay, maxaa yeelay AVI ma laha qulqulka subtitles ee la dooran karo si loo joojiyo. Wax kasta oo AVI uu ku muujiyo shaashadda waa sawirka, sidaas darteed waa mid kasta oo BMP oo soo saarida soo saarta oo aan waxba ka beddelin ka dib. Haddii faylka subtitles kala duwan uu ku jiro video-ga, ka soo qaado asalka oo labaduba kala duwan yihiin oo frame-yadana nadiif ah. AVI ma taageero asalka ah ee codecs casriga ah, xawaaraha frame kala duwan, subtitles fudud ama faylasha ka badan 4 GB aan hacks, iyo per-chunk overhead bloats faylka.
Khariidadaha bilaashka ah ee 100 MB fayl kasta, iyo AVI asalka ayaa si weyn u socda sababtoo ah qaabka wuxuu ku qaadaa wax badan oo ku saabsan qaybta ku-dhexdhexaadka ah ee ku-dhexdhexaadka ah ee ku-dhexdhexaadka ah ee ku-dhexdhexaadka ah ee ku-dhexdhexaadka ah ee ku-dhexdhexaadka ah.
Go'aanka la midka ah sida asalka AVI: 1080p AVI wuxuu soo saaraa 1920x1080 BMP frame, 4K AVI wuxuu soo saaraa 3840x2160 BMP frames. Soo beddelaha ma kordhiyo ama hoos u dhigo - miisaanka pixel-ka waxaa laga soo qaadaya xagga saxda ah ee frame-ka la decoded.
Haa, laakiin xusuuso tirada faylka - 30 fps 1-daqiiqo AVI waxay soo saartaa 1,800 BMP frame. Waxaan si otomaatig ah ugu soo ururinaynaa kayd ZIP ah. Haddii aad rabto inaad ku dhejiso fiidiyowyo dheeri ah, dooro "1 per second" (60 frames per minute) ama dooro waqti gaar ah. Saacad ka mid ah AVI oo ku taal frame kasta waxay soo saari doontaa ~ 100,000 BMP sawirro.
Haa - midabka waxaa lagu soo bandhigaa matricska isku midka ah ee asalka AVI (BT.709 HD, BT.2020 4K HDR). HDR-ka HDR-ka ah ayaa loo soo bandhigay SDR marka la soo saaro BMP oo aan ku kaydin karin HDR pixel ranges natively (JPG, PNG-8). Target high-bit PNG-16 ama TIFF haddii aad u baahan tahay inaad ilaaliso heerka dimuqraadiga ah ee ballaaran.
Waxaa ku xiran kala soocida iyo BMP codeecada doorasho: 1080p PNG frame waa 2-5 MB lossless, 1080p JPG at tayada 85 waa 200-500 KB. Ku baddal tirada frame si aad u ballaadhiso ZIP - ugu dambeyntii, PNG kasta oo ka soo baxa 10 daqiiqo 1080p AVI waa qiyaastii 50 GB oo waxaa lagu kala qaybiyaa ZIPs badan. BMP caadi ahaan kaydiyaa pixels buuxa uncompressed row la header yar, taas oo ah sababta ay sidaas u fudud in la fasiro.
AVI container ma qaado EXIF per-frame sida kaamirooyinka sii socda, sidaas darteed faylasha BMP waxay la yimaadaan blokada EXIF oo aan waxba lahayn. Isbedelka wuxuu ku darayaa `creation_time` meel ku taal tixraaca tixraaca, si aad u soo celiso tixraaca si kronologisk ama u xidhiidh la leh subtitle / chapter markers.
Decode-ka frame-ka waa degdeg - caadi ahaan 20-30% waqtiga asalka ah. 5-daqiiqo AVI -> BMP bundle wuxuu ku dhammaadaa 1 daqiiqo oo ku saabsan inta frame aad dooraneyso, maxaa yeelay buckle-ka waa BMP encoder oo ku qoraya faylal yaryar oo badan oo isku xigta, ma aha AVI demuxer.
Haa — doorasho timestamp horumarsan aqbalaa liiska kala-qaybsan (tusaale ahaan `00:01:23, 00:05:00, 00:10:42.5`) iyo soo saarta mid BMP file per timestamp. faa'iido leh in ay thumbnails Chapter, scene soo jeedinta shots, ama dhismaha sheet xiriirka u eegista.
Haa - qaabka sirta ah ee isku midka ah sida isbeddel kasta. Fudud AVI iyo BMP oo la soo saaray ayaa lagu dhaqaajiyaa shaqaalaha kala duwan oo la tirtiro daqiiqadaha dhamaadka.

AVI

Faylasha AVI waxay ku jiri karaan xogta maqalka iyo muuqaalka labadaba, si ballaaran ayaa loo taageeraa laakiin leh cabbirro faylal oo waaweyn.

BMP

BMP files kaydinta sawirro in qaabka bitmap uncompressed, oo ay ugu wacan tahay oo ay ku jiraan miisaanka file weyn laakiin heerka buuxa.


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