[mythtvnz] Commercial Flagging

[James Booth]

I agree, it used to work really well for me until the move to HDTV, at which
point it pretty well broke down completely.

-----Original Message-----
From: mythtvnz-bounces at lists.linuxnut.co.nz
[mailto:mythtvnz-bounces at lists.linuxnut.co.nz] On Behalf Of Ross Williamson
Sent: Thursday, 18 August 2011 1:35 p.m.
To: MythTV in NZ
Subject: Re: [mythtvnz] Commercial Flagging

Commercial flagging always used to work about 95% of the time for me until a
few years ago when it started going downhill. It's now at the point where I
can't make it work most of the time so it is more of a hindrance than a
help. When I last used it, I'd more often than not end up with the situation
where it would skip the wanted programme more than the commercials!

There was a discussion on this list a few years ago and "logo detection" was
determined to be the best option for detection method. I ran this for a
while (and it seemed to work on a number of channels) but now it is next to
useless in my experience.

It always struck me that adding audio detection methods would make this
process far more reliable. I haven't investigated, but I would imagine that
the commflag process would make this impossible to add in as-is without
significant re-work. Maybe also some heuristics wouldn't go amiss (eg for
detecting missed breaks and not skipping the actual programme based on time
of breaks etc) but this is probably significant challenge given the wild
variations between networks.

I've reverted to just skipping and not bothering with commflag.

Ross

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