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Xvid - Help: Bframe decoder lag


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Xrhsimopoio edo kai 1 xrono ton xvid codec kai proth fora eida auto to mhnuma la8ous, otan ebala to video sto V.Dub. To munhma auto prepei na sxetizetai me to ousiastiko mou problhma omos.

 

To problhma loipon einai oti exo elafros asugxrono hxo kai eikona, pou oso proxora h tainia ginetai pio entono (oso proxora h tainia xanetai perissotero o sugxronismos). Psaxnontas sta forums tou doom9 eida oti einai sunh8es, alla ousiastika de dinoun lush (h ego den thn eida?). Lene oti auto ginetai e3 aitias enos dummy Bframe pou mpainei sth arxh ka8e xvid, alla genikotera den epireazei to playback. (am de..)

 

Sth dikia mou periptosh to problhma einai omos entono. Pros to telos h tainia einai sa brazilianiko metaglotismeno... Akoma kai an kopso apo thn arxh 1 frame de nomizo na luso to problhma, giati to lag den einai sta8ero, alla au3anetai me to xrono.

 

To exei antimetopisei kaneis auto to problhma? an nai ti mopo na kano gia na to dior8oso

A) sto hdh uparxon avi (me to vdub p.x.)

B) kata thn paragogh, gia na mhn ginetai? (allh version xvid, h kapoio setting tou codec?)

 

Xrhsimopoio to FlasKMPEG 0.78.39b, me hxo cbr mp3 kai thn ekdosh XviD 16.07.03 tou Nic. To periergo ths istorias einai oti exo ta idia ergaleia edo kai ena xrono kai to problhma proekupse tora stis 3-4 teleutaies tainies. Gurisa kai piso se palioteres versions tou xvid kai pali ta idia. Pou mporei na ofeiletai???

 

An kapoios exei antimetopisei kai exei lusei to problhma, `h 3erei ti mpepei na kano, as mou apanthsei.

 

Euxaristo.

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Loipon...

Prosopiki apopsi to Flask peta to, itan athlio ergalio edo kai arketa xronia

Deuteron dokimase san test to parakato kai pes mas to apotelesma (theoro oti i pigi sou itan perioxis 2, an itan perioxis 1 ola allazoun)

-Kane save ton ixo se ena arxeio mp3

-Dose tou wav riff header (me kapoio programma san to wav4mp3)

-Kane multiplex me tin poli palia methodo xrisimopoiontas to graphedit

Tora an den doulepsei auto

-to arxeio opos to exeis xexorista mp3 kane to mulotiplex me to video me to virtualdub kai me settings:

preload 50 ms of audio

interleave every 50ms

An den doulepsei oute ayto vale mesa ena palio xvid pou eisai sigouros oti epaize kala kai koita an ontos paizei...an iparxei kai ekei provlima tote den fteei i diadikasia tis kodikopiiseis alla to direct show filter pou kanei to decode (ffdshow xrisimopoieis???)

 

 

crAss

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Loipon...

Prosopiki apopsi to Flask peta to' date=' itan athlio ergalio edo kai arketa xronia[/quote']

edw kai 50 rips den exw problhma me to flask (thn ekdosh pou exw), kai afou kanw polu apla kai swsta th douleia pou 8elw na kanw, de blepw to logo allaghs.

 

 

Deuteron dokimase san test to parakato kai pes mas to apotelesma ...

An kai hmoun sigouros oti de 8a douleue auto to dokimasa kai ontws de doulepse. Den exw sta8ero lag 50ms opote logika den epiase auto

 

 

tote den fteei i diadikasia tis kodikopiiseis alla to direct show filter pou kanei to decode (ffdshow xrisimopoieis???)

De xrhsimopoiw ffdshow, alla se allo pc pou dokimasa me ffdshow pali eixe lag. Oute h diadikasia einai la8os oute o decoder. To problhma einai ston codec. Opws eida sta forum twn progarmmatistwn tou xvid, uparxei problhma sugxronismou, an xrhsimopoieis Bframes mazi me alla settings. Apla auto den einai emfanes se tainies 90-120'. Egw epesa sth periptwsh loipon, afou to video einai sxedon 4 wres... Pragmati, bgazontas ta Bframes apo ta options tou codec, kai meta apo neo encoding -xwris kamia allh allagh-, exw apoluto sugxronismo. Ara to problhma entopisthke...

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An einai terastia h tainia isws na mh ftaiei oyte o codec , alla to pc sou.An isxyei kati tetoio , bale to Reclock kai steile apotelesmata.Epishs , dokimase xvrismo toy arxeioy se mikrotera.

Na ypo8esw pws gnvrizeis tis beltistes times gia to multiplexing arxeiwn hxou analoga me to bitrate kai tis katallhles epiloges gia ta b-frames.

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An einai terastia h tainia isws na mh ftaiei oyte o codec , alla to pc sou.

 

Epanalambanw, oti to problhma tou codec me ta B-frames, exei diapistw8ei apo tous idious tous programmatistes tou xvid kai profanws einai sthn "to fix" lista tous. Sto forum tou doom9 to diabasa, dustuxws den krathsa url.

 

Prin to ma8w auto, ki emena mou eixe perasei apo to mualo, oti mporei na mhn "trabaei" to pc (athlonXP 2000, 768 ram...) giati eixa parathrhsei se alles periptwseis, ena mikro lag ston hxo, ashmanto omws. Den edwsa shmasia, giati de ginotan panta (den ebaza panta b-frames). Argotera otan etuxe auth h 4wrh tainia, kai to epsa3a, eida oti eu8unetai ontws to b-frame, pou etuxe ekei na to balw. Den einai idiaitera gnwsto ws problhma giati spania briskeis tainia panw apo 2 wres, opote pernaei sto ntoukou...

 

Akoma ki an kopsw to avi se 2, (akoma kai se 4 kommatia dokimasa), to problhma paramenei. Se neo rip omws, xwris b-frames, ola einai kala me ton hxo, mexri kai to telos twn tessarwn wrwn, se ena arxeio. (1.404 mb avi, pou argotera 8a kobotan se 2 700aria cd). Auto epomenws den afhnei peri8wria na pw oti den trabaei to pc...

 

Genikotera pantws, sto avi pou ebgala me b-frames (kai asxeta me to problhma hxou), se epipedo poiothtas eikonas, den parathrhsa kamia sobarh diaforopoihsh, se sxesh me to 2o rip pou den eixe b-frames kai opws diabasa kai sxolia pollwn allwn isxurizontai to idio. Epomenws poios o logos na xrhsimopoiw auto to option, afou kai problhma dhmiourgei kai poiotika de dinei kati extra (pou na fainetai toulaxiston) kai telos isws na trwei kai fps parapanw. Katargw loipon ta b-frames kai pauw na exw problhma. Isws na exw la8os -an kai to epsa3a arketa-, alla toulaxiston einai mia lysh gia mena.

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Poios eipe oti ta b-frames dinoun poiothta? Skopos toys einai na eksoikonomhsoyn xwro kai na kanoun megalyterh sympiesh xwris emfanh diafora.Isws, an balei kaneis poly synthrhtikes times (2,150,75,0) na kerdisei kai kati ,alla mono sta k-p-frames (poy 8a einai liga sygkritika)

De nomizw na exeis lathos, omws dokimase kai kapoion allon container pleon toy .avi en anamonh toy dev-api-4 ;)

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