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MPG is not combining normally

Discussion in 'Video playback problems' started by varipa, May 10, 2011.

  1. varipa

    varipa Member

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    Could anybody tell me why this MPG http://www.sendspace.com/file/dkg3rz

    is not combining normally with copy /B. Like if I want it to be twice the size combining it with a copy of itself.

    and how to fix it so it does combine normally - with copy /B?
     
    varipa, May 10, 2011
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  2. attar

    attar Senior member

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    It's an .flv file not mpg.
    Copy/b doesn't work with flv.
    If you want to join it to itself use Avidemux.
    Run Avidemux and drag the .flv file onto the window two times (or File > Open then File > Append).
    On the lower left side of the screen set 'Format' to flv.
    Click 'File' > 'Save' > 'Save video' and give the joined file a name (including the .flv)
     
    attar, May 10, 2011
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  3. varipa

    varipa Member

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    avidemux says unsupported video, only FLV1 and VP6 are supported.

    Combining the flv would be good..
    Though I gave the wrong link, I meant to link to the mpg, this is it
    http://www.sendspace.com/file/4luzga
    and it's not combining with a copy of itself, when I try combining it and its copy with copy /B
     
    varipa, May 10, 2011
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  4. attar

    attar Senior member

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    attar, May 10, 2011
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  5. varipa

    varipa Member

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    the flv worked for you but not me. I got that error.

    The mpg didn't actually work for you, notice the file is of increased size, but look at the duration of the clip. it's still the same.
     
    varipa, May 10, 2011
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  6. attar

    attar Senior member

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    If you play the mpg, it runs 25 seconds - the copy/b command is merely joining two binary files - it's not a video editor.
    If you add the mpg in AviDemux, you will note that the time doubles when the second instance is added and if you elect to save the format as MPEG-TS, the saved file will show as 25 seconds in length.
    Same for the FLV.
     
    attar, May 10, 2011
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  7. varipa

    varipa Member

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    Playing both.mpg in VLC, I notice as you suggestm that the duration shows 12s but displays 24s.

    But playing with WMP, it's just 12s. (approx. 12s/13s).

    maybe a bit different when appending mpg to mpg with avidemux but still a bit of an issue.. In one case it played the mpg to the end of the progress bar in WMP, then continued afterwards.

    I get variations of funny results.


    But when I give avidemux AVIs to create AVIs via append, it works perfectly. The duration it claims is absolutely right, and it plays for the right duration. According to my test anyway.. I may just stick with that.

    Thanks
     
    varipa, May 11, 2011
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