MPEG-2 IBP Frame to I-Frame conversion?

Discussion in 'Amateur Video Production' started by PhoneLover, Aug 25, 2003.

  1. PhoneLover

    PhoneLover Guest

    Hi,
    I have captured, long time ago, a file in MPEG-2 IBP.
    Vegas Video only allows me to edit I-Frame MPEG-2 source files.

    Are there any conversion programs from IBP to I-Frame only?
    Thanks.
     
    PhoneLover, Aug 25, 2003
    #1
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  2. PhoneLover

    FLY135 Guest

    Try Tmpgenc. It should be able to do it.
     
    FLY135, Aug 25, 2003
    #2
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  3. PhoneLover

    PhoneLover Guest

    Vegas has an issue on editing MPEG-2 IBP source files.
    The timestamp is the problem: Vegas only works well when each frame
    has got a timestamp on it. MPEG-2 only saves timestamps on I-frames,
    so the result is that, very often, VV doesn't recognize B and P frames
    while rendering them and just creates black frames. The final result
    is that some GOPs (especially those near to some FX effect) are
    completely black.
    Using I-frames only doesn't create problems. Unfortunately I
    discovered this problem (which VV staff tries to hide) very late and I
    already have many files in IBP format...
     
    PhoneLover, Aug 25, 2003
    #3
  4. PhoneLover

    erratic Guest

    Well, I just learned you're right, but they're not trying to hide it
    anymore, because I just read it it in the Vegas 4.0 Readme file:

    Known Issues

    Some Windows Media and MPEG source files may not play back or render
    properly when used in a Vegas project. If you are having troubles with
    black frames or a/v sync when using Windows Media or MPEG source files,
    rerender these files to .avi prior to using them on the Vegas timeline.
     
    erratic, Aug 26, 2003
    #4
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