[Kdenlive-devel] Title Widget / Monitor scene speed

[Till Theato]

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On 08/24/2010 07:53 PM, Simon A. Eugster wrote:
> On 21.08.2010 11:29, Dan Dennedy wrote:
>> On Sat, Aug 21, 2010 at 1:27 AM, Simon Eugster<simon.eu at gmail.com>  wrote:
>>> Regarding the title widget, I (as already stated before) vote for a
>>> rewrite anyways. Perhaps we can get rid of performance problems as
>>> well then.
> [...]
>> BTW, in thinking about masks (better term than "region"), I am
>> thinking about a way to modify MLT to allow one to place special
>> filters "Set mask" and "Apply mask" onto the filter stack. That way
>> one could designate one set of filters to apply with a mask, another
>> set with another mask, and others with no mask. The mask defined in
>> "Set mask" would be used with all filters below it and above "Apply
>> mask." And "Apply mask" clears the mask for filters below it until
>> another "Set mask." When the "Set mask" filter is selected, it could
>> expose the "mask monitor overlay widget" mentioned above.
> 
> 
> Regarding masks. I would love to have a widget that allows me to select a 
> region on the monitor to take the color information from for the scopes.
> 
> Sometimes I just want to select a neutral area in the monitor, or maks out 
> part of the clip to check whether it was this part causing some points in 
> the blue area of the vectorscope.
> 
> Don't know what would be suited best here.

If you add an option to your scopes to ignore transparent pixels, this
could already be done with for example the frei0r filter Alpha Shapes.
And of course if I get to the point of writing a polygon masking filter
(mentioned in this thread) this could be done more precise.

regards till
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