On Tue, 15 Feb 2005 14:40:21 +0800, Ow Mun Heng <[EMAIL PROTECTED]> wrote: > Sorry--Top posting to my own thread. > > I just read some additional thread on the mailing list (off-line > archived in my laptop) in that the flagging is done via software > detection. eg: YOu detect OSD brightness changes(?) or TV station Logo? > > Is that right? > > On Tue, 2005-02-15 at 14:11, Ow Mun Heng wrote: > > I'm clue-less and I just read that MythTV has code which can detect > > commercials and perform commercial skipping? > > > > How true is this and how does it work? can anyone enlighten me? > > Why does it use the database for this? What sort of marker is > > placed/marked? > > > > Note : No I-Net access thus, can't google. > > > > -- > > Ow Mun Heng > > Gentoo/Linux on DELL D600 1.4Ghz > > 98% Microsoft(tm) Free!! > > Neuromancer 14:09:52 up 5:16, 3 users, > > load average: 0.56, 0.45, 0.36 > > -- > Ow Mun Heng > Gentoo/Linux on DELL D600 1.4Ghz > 98% Microsoft(tm) Free!! > Neuromancer 14:19:38 up 5:26, 4 users, > load average: 0.42, 0.38, 0.35 > > > _______________________________________________ > mythtv-users mailing list > [email protected] > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users > > >
That is correct. Commercial flagging in myth is done via software detection. There are various methods that can be used for this and you can select which method to use on the 7th screen under Setup->Setup->TV Settings->Playback. The options are (descriptions are my current understanding, I'm not a myth developer and have never looked at the actual commercial detection code): Blank Frame Detection: determines commercial breaks by finding blank frames in the stream Blank Frame + Scene Change Detection: determines commercial breaks by finding blank frames surrounded by frames containing vastly different scenes Scene Change Detection: determines commercial breaks by detecting adjacent frames with vastly different scenes Logo Detection: determines commercial breaks by detecting station logo All: combines all of the above methods of commercial detection One question, for my sanity, before I go. If you don't have internet access to search google, how did you send emails to the mailing list? Hope that info helps you. Brad
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