[mythtv-users] How well does commercial detection work?

Matt skd5aner at gmail.com
Mon Mar 28 21:40:53 UTC 2005

Chris (and other developers working on mythcommflag),

  I know that you're aware of a few instances where certain shows can
play some havoc with the flagging of commericals... Lost is my
favorite show right now and it's never correct, glad to see you are
"testing" with it.  I will let you know it's getting better than it
was since the begining of the season.

I just wanted to let you know that one network I seem to have more
problems on than others is VH1.  I find that on quite a few of their
shows, they'll seem to almost edit the commercials into the show in
such a way that it can fool mythcommflag.  Someshows will be 100% some
shows will be less than 50%.  Just another option for you to test. 
Also, like mentioned above, some shows will put a 5 second teaser
before or after a commercial break.  I know that Food Network does
this alot and myth will detect it as part of the commericial only
about 5% of the time. HTH.


On Sun, 27 Mar 2005 20:20:39 -0500 (EST), Chris Pinkham
<cpinkham at bc2va.org> wrote:
> > Well, this is still pre 1.0 software.  I dont think flawless is going to
> > happen any time soon.  Pretty damn well? Yup, Ive got that.  Only a
> > couple HD shows get screwy, Alias and Lost off the top of my head.  SD
> Well, I record Lost regularly and just started recording Alias a week or two
> ago in order to test with that also, so hopefully I'll be able to figure out
> what's going on with these.  Don't expect anything before 0.18 though,
> because I don't want to make any detection changes that could make detection
> worse for other cases.
> > shows are spot on except for maybe a sec or two.  I have to say tho,
> > about 90-95% of the time, commflagg works fine for me using the Blank
> > Frame Detection.
> For a lot of shows, blank frame works great, probably even 100% for some
> shows.  It has been shown to have a hard time with dark shows including
> the Law & Order type series.  I personally use the All method and have
> AutoSkip Off.
> --
> Chris
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