Can somebody give an overview on how the DVB channel scanner works?

Discussion in 'MediaPortal 1 Talk' started by sofakng, March 18, 2011.

  1. sofakng

    sofakng Portal Member

    October 22, 2007
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    I'm trying to learn about DVB and I'm using TSReader to look at the MPEG-TS tables, etc...

    Anyways, does MediaPortal look at the PAT table for the PMT tables and create a list of services based off that or does it look at the NIT table as well?

    The NIT is a little confusing though. For example, one of the satellites I'm looking at has a transport stream id of 0x0321. However, in the NIT table this transport stream is listed as being broadcast on a different transponder which has me a little confused.

    Anyways, any kind of overview would be extremely helpful!

    EDIT: Also, when scanning, what does "updated: XX" mean? Does that mean it received information about a service that was already in the system? (ie. added SDT information, etc)

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