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  1. Member
    Join Date
    May 2009
    Location
    United Kingdom
    Search Comp PM
    I own a USB Hauppage dvb receiver, which roecords the dvb stream directly to my HD as an MPEG. I want to use this recorded stream as part of a multi-angle DVD authored in DVD lab pro2. I have authored many multisngle DVDs this way, and have always reauthored the MPEG stream using main concept MPEG encoder. However I van achieve better quality and smaller file-size using the pure dvb stream however. The stream isn't multisngle DVD compliant as it contains open GOP.

    What I need to know therefore is how can I re-write the GOP structure of the file without re-encoding it? Surely this can be done?
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  2. Cannot be done. Open GOPs reference frames in adjacent GOPs. Without those other frames there is nothing to reference.
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  3. The Old One SatStorm's Avatar
    Join Date
    Aug 2000
    Location
    Hellas (Greece), E.U.
    Search Comp PM
    The only thing you can do, is to patch the entire file with DVD Patcher. That won't change the GOP structure, but you can fool DVD lab pro2, if it is complain for some reason.

    The majority of the files playback with no problems on the DVD players.
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  4. Member
    Join Date
    May 2009
    Location
    United Kingdom
    Search Comp PM
    I don't know if its what your looking for but video redo will do partial re encodes (only codes parts of the stream that need it)
    I use it to reduce the long gops found on some stations.
    The resulting files are far better than a full re-encode.
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