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  1. 12th Aug 2003 23:29 #1
    DieselsDen
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    I just noticed that an MPEG2 I am trying to edit (extracted from a VOB file from a commercial DVD) in TMPGEnc DVD Author has no I-picutres at all. Is this normal? Can I insert I-pictures? Does this mean it is not edit-able?

    Thanks in advance for any feedback...

    Diesel
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  2. 13th Aug 2003 10:39 #2
    ronnylov
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    It would not be DVD compliant if there is no I-pictures so I don't understand this...

    You can try the Womble MPEG2VCR which has a tool to repair a mpeg GOP structure to make it DVD compliant. I will insert missing I-pictures and reencode the faulty GOPs.
    Ronny
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  3. 13th Aug 2003 10:59 #3
    lordsmurf
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    You have to have I-frames. That's how the file works. How did you come to this conclusion?

    Otherwise it would be like water with no oxygen, just hydrogen. Or a human born with no skin. Etc.
    Want my help? Ask here! (not via PM!)
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  4. 13th Aug 2003 13:19 #4
    Cornucopia
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    What program is telling you that you have no I-frames? DVDAuthor?

    BUG!
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  5. 13th Aug 2003 13:32 #5
    BJ_M
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    it would have to have I frames .. at least 1 anyway (in theory),

    you could make an all PPPP encode but there has to be one I frame iin the begining ..
    "Each problem that I solved became a rule which served afterwards to solve other problems." - Rene Descartes (1596-1650)
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  6. 13th Aug 2003 19:08 #6
    DieselsDen
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    I used TMPGEnc DVD Author to edit it after transferring it from a VOB off a commercial DVD.

    The edit/chapter/cut option does not reveal the presence of any I-pictures. If I push "play" (to reach a point I want to edit), no I-pictures (in which to make the cut) are indicated.

    There must be something wrong with the MPEG2 file the DVD Author has created.

    Diesel
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  7. 13th Aug 2003 19:22 #7
    BJ_M
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    check it with bitrate viewer
    "Each problem that I solved became a rule which served afterwards to solve other problems." - Rene Descartes (1596-1650)
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  8. 13th Aug 2003 22:39 #8
    lordsmurf
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    It may have damaged headers or GOPs. I think WOMBLE MPEG2VCR can fix it, though I've not tried.
    Want my help? Ask here! (not via PM!)
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