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Thread: Video problem

  1. #1
    Junior Member Newbie
    Join Date
    Aug 2005
    Posts
    2

    Video problem

    Hi all,
    I am from Czech Republic.Excuse of my bad English. I'd needed help.
    Needed would to the my games load video.
    I was trying NeHe lesson 35 but there malfunctions DIVX.
    Doesn't know about some article ?

    btw: I am sorry for last topic..

  2. #2
    Senior Member Frequent Contributor
    Join Date
    May 2005
    Location
    Prague, Czech Republic
    Posts
    913

    Re: Video problem

    Originally posted by Toi Toi:

    I was trying NeHe lesson 35 but there malfunctions DIVX.
    "English" version. See bellow for czech version:

    Can you describe your problem in more detail? What do you have meant with "malfunctions DIVX"?

    NeHe tutorial uses VFW API which does have several possibilities for decoding failure even when the video file is correct. Some of them are:
    • The codec required for video display (Divx in your case) is not installed on the computer you wish to play the video on or that codec is not usable by VFW.
    • Some codecs support only some formats of decompressed image. Most of them will probably support 24bit RGB mode.
    • VFW depends for its function on some keys in Windows registry. That keys describe where various objects used for video decompression can be found. If those keys become corrupt (I have seen this on several machines) then VFW API fails to decode the video even when Media player, which is based on Direct Show API, plays the video fine.

    Czech version:
    Muzes popsat tvuj problem ponekud detailneji? Co myslis tim "malfunctions DIVX"?

    NeHe tutorial pouziva VFW API u ktereho je nekolik moznosti proc muze selhat dekodovani i na videu, ktere je v poradku. Napriklad:
    • Na pocitaci kde chces to video prehravat neni nainstalovan prislusny kodek (v tvem pripade Divx) nebo ten kodek neni pouzitelny pro VFW.
    • Nektere kodeky dokazou davat vysledny obraz pouze v nekterych formatech. Vetsina z nich bude zrejme podporovat 24 bitovy RGB rezim.
    • VFW potrebuje ke sve funkci nektere klice z Windowsich registru. Tyhle klice popisuji kde sehnat objekty pouzivane pro dekompresi videa. Pokud jsou tyto klice poskozene (coz jsem videl na nekolika pocitacich) tak VFW API nedokaze dekodovat video i kdyz ho Media player, ktery je zalozeny na Direct Show API, dokaze prehrat bez problemu.

    Nevim jestli je povolene ve foru diskutovat jinak nez anglicky nicmene pokud by si chtel diskutovay cesky tak by asi bylo lepsi pokracovat pomoci soukromych sprav.

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