I believe a time check was in the code, something like what you are
describing but I am not 100% sure. I reworked the code many times but we are
relying on MPlayer mostly, so if it's garbage in, it would be garbage out. \
This actually seems like a great MPlayer add on, if anyone here is familure
with the code.
On Tue, Apr 21, 2009 at 9:35 AM, Evan Hisey <ehi...@gmail.com> wrote:
> 2009/4/21 Justin Wetherell <phishman3...@gmail.com>:
> > I wrote the commercial detection code for Freevo a long time ago. While I
> > agree that it isn't accurate or great, it's the _only_ option available.
> And
> > unfortunetly the MythTV developers aren't very code friendly.
> >
> > The three key indicators that MythTV talks about are wonderful ideas. But
> at
> > the time I wrote the detection code, there was no open source option that
> > would output when a scene transaction had occurred or when a bug was
> being
> > displayed. So, the only option was to _just_ use blank frames which was
> beta
> > code in MPlayer.
> >
> > I have't looked into it lately but maybe those two options are now
> avilable.
> > Or maybe someone would like to parse the MythTV code and rip out the code
> > needed and make there own 'commercial detector'. I think the second
> option
> > would be a great addition to the open source world but I no longer have
> the
> > time to do such a task.
> >
> Something I have thought about, and maybe unworkable, is a time check
> between black frames. If the time between frames was less than 5
> seconds or over about 1.5 minutes then chances are good you are not
> seeing commercials. That way the current black frame detection find
> potential commercials and the time test would eliminate a lot of
> false positives for dark shows or shows with a lot black frames.
>
> Evan
>
>
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