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Thread: Accelerating video?

  1. #1
    Raw Wave RoyN's Avatar
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    Accelerating video?

    Hi All,

    I am having some difficulty with some Ripped dvds... They were ripped to Xvid, and they play fine on my laptop (P4 2ghz), however, when I try plyaing them in my carputer, the video doesnt keep up with the sound... and depending on the applications running the video can become visually slower...

    Is this codec dependent or what? As far as I know I have the same Kazaa Lite Codec Pack on my CPC and my Laptop...

    The CarPC is an Athlon 1.3ghz, 512mb ram, and it is using the onboard video (the only adapter i could get 800x480 on)...

    I am running NMC, but I dont think it is frontend that is causing this... I also observed that if I run the video in full screen on my laptop (1500x1400 res), then it also slows down a little, but less than is being observed on the carpc.

    Is there any way to fix this?

  2. #2
    Constant Bitrate
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    which onboard video chipset is it?
    which sound card are you use?
    which os?
    which codec?
    and so on...
    be more specific...

    did you try ffshow?
    some usb sound card takes more resources...
    etc...

  3. #3
    FLAC IntellaWorks's Avatar
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    .

    The hardware you have seems fine to run a DVD...

    Update the BOIS to the latest updates including chipset drivers & video drivers.

    Next what type of interface to the system does your DVD drive have ?


    Lastly, is it out of sync all the time ? Or just on "rough" roads.
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  4. #4
    Raw Wave RoyN's Avatar
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    Video is: Sis 740
    Audio: onboard - dunno model Sis 7118 i think
    Windows xp pro sp1
    Xvid codec dont know the exact version

    I didnt try external video player, but i am going to try encoding video with a different codec later to see if it works better......

  5. #5
    Raw Wave RoyN's Avatar
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    Bios is updated i believe.... It plays videos fine, just these that i encoded yesterday myself are giving this problem...

    the computer is slightly slow and lagging when running video, and the video is almost slo-mo, while the audio is normal... this with the car stopped...

    it isnt actually playing dvd, it is an avi file from the HD

  6. #6
    FLAC IntellaWorks's Avatar
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    Thanks for the response Ron,


    Now we got some things to work on, I thought it was playing a DVD from an external drive or something, thinking that maybe the connection to the drive wasnt that great... but where your playing it from an AVI from the HDD, thats make a difference...


    If it plays other compressed video just fine (w/out skipping) then I'd say that the video you compressed didnt compress correctly and that you dont actually have a hardware problem.

    Definatly try another codec, let us know how it worked out.
    Progress [I will seriously never be done!]
    Via EPIA MII
    512MB RAM
    OEM GPS (embedded)
    nLite WinXP pro on
    1GB Extreme III CF card
    Carnetix 1260 startup/ DC-DC regulator
    Software: Still, re-Writing my existing front end in .Net

  7. #7
    Maximum Bitrate Don 944 LA's Avatar
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    it plays DVDs fine cuz they are not compressed...
    sounds like a video issue... not enough video power
    maybe open in VirtualDub and change the codec settings and resample

    In the early days of DivX this was quite common. One way to improve was to turn off any hardware acceleration for the AUDIO, this way it slowed down the audio. Audio is much easier to decode than the video, thats why the sync is lost.

    Don

  8. #8
    Raw Wave RoyN's Avatar
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    Xvid codec seems to have been the problem for me...

    coding with DivX 5.1.2 or whatever the newest one is worked out fine....

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