[mythtv] [PATCH]Black border filter

[Kristof Pelckmans]

You don't really need cvs : just do patch -p1 < filename in your mythtv latest
cvs tree

you can always undo with the same command...

Quoting "Buechler, Mark R" <Mark_R_Buechler at bausch.com>:

> Do you know if this has been applied yet? I'm eager to give it a go..
>
> -----Original Message-----
> From: Cedric Tefft [mailto:cedric at phreaker.net]
> Sent: Wednesday, September 01, 2004 5:24 AM
> To: Development of mythtv
> Subject: Re: [mythtv] [PATCH]Black border filter
>
> Kristof Pelckmans wrote:
>
> >Here is an implementation for an automatic aspect ratio detection filter.
> >
> >Kristof
> >
> >
> >
> Sounds like a good idea.   Unfortunately, I wasn't able to get it do to
> anything.  I was somewhat confused by the explanation of the parameters...
>
> >III. How to use
> >
> >example :
> >blackborder=0:70:76:430:18:20,blackborder=0:40:46:490:18:20
> >
> >The first filter detects a 16:9 video stream in a 4:3 capture stream
> >and the second is for a 14:9 video stream in a 4:3 capture stream.
> >
> >The different parameters :
> >1) 0 for horizontal, 1 for vertical (not implemented)
> >2) start line
> >3) end line
> >4) 'black' pixel threshold : all pixels below this threshold will be
> >considered as black
> >5) 'black' line threshold : minimum number of black pixels that have to
> >be present to consider a line 'black'
> >
> >
> >
>
> There are six parameters in the example, but only five are described, so
> after start line, I'm kinda guessing...  Could you maybe clarify which
> parameter is missing from your explanation and what it's for?
>
> w/rt what the 'black pixel threshold' parameter:  This could use some
> clarification.  What's the context?  What's the range?  For example, is this
> an integer from 0 to 100, and if so, what does 0 mean, and what does 100
> mean?
>
> w/rt the 'black line threshold', wouldn't it be better to express this as a
> percentage rather than a pixel count?  By using a fixed number of pixels,
> you're tuning the filter for use with one particular horizontal resolution,
> whereas if you use a percentage, the filter adapts itself automatically to
> the resolution of the source material.
>
> - Cedric
>
>
>
>
> _______________________________________________
> mythtv-dev mailing list
> mythtv-dev at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
>
>
>
>
> Bausch & Lomb
> 150 Years of Perfecting Vision, Enhancing Life (TM)
>
>
>
>
>
>
> EMAIL DISCLAIMER
>
> Please Note: The information contained in this message may be privileged and
> confidential, protected from disclosure, and/or intended only for the use of
> the individual or entity named above. If the reader of this message is not
> the intended recipient, or an employee or agent responsible for delivering
> this message to the intended recipient, you are hereby notified that any
> disclosure, distribution, copying or other dissemination of this
> communication is strictly prohibited. If you received this communication in
> error, please immediately reply to the sender, delete the message and
> destroy all copies of it.
>
> Thank You
>
>