[mythtv-users] Commercial Detection

Chris Lewis chrislewis915 at gmail.com
Thu Mar 8 19:24:55 UTC 2012


Hi

I just tried your script.   I ran it on a copy of 'Desperate Housewives'
that the gf had recorded.  At first glance it looks to have got the breaks
correctly but now when i play it skips the ads automatically.

What i would like to do is have the notify setting on so i can test for a
while.

I have checked the FE setup and its set to notify and even pressing M
during playback and setting the ad skip to notify has no effect.

I'm running the latest 0.24.2 fixes from Mythbuntu repos.

Any ideas?

Chris

I use a script based on the wiki article
> www.mythtv.org/wiki/Mythcommflag-wrapper with good success on most UK
> Freesat channels.
>
> I found that changing the silence threshold to -76 dB from -70
> significantly improved accuracy.  Also, decreasing the coalescence time
> from 400 to 360 seconds reduced the prevalence of false positives.  The
> last useful tweak is to the awk program to add 'cut to beginning' or
> 'cut to end' without leaving 'dangling' frames.
>
> This generally leaves a few frames of ads/titles before and after each
> cut.  The only annoyance is that the post ad cut doesn't position to a
> keyframe so the cut isn't entirely invisible.  I'm working on that and
> back tracking from the start of cut to detect a scene change.
>
> The script can be found here:
> http://www.softsystem.co.uk/download/mythtv/mythcommflag-silence.sh
>
> To run it as a user job, start mythtv-setup and find General/JobQueue
> (Global) and set the Ad-detection command:
> mythcommflag-silence.sh -j %JOBID% -C
>
> The -C option copies the list to the cutlist.
>
> --
> Lawrence
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://www.mythtv.org/mailman/listinfo/mythtv-users
>
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