Using video input in Squeak

Bert Freudenberg bert at impara.de
Fri Jul 16 23:30:35 UTC 2004


Use BitBlt with a colorMap (see BitBlt's class comment).

- Bert -

Am 16.07.2004 um 20:31 schrieb Rob Hensley:

> I'm not sure who has been following my story, but I started this 
> project
> using a Mac, and then switched to a PC running Windows (at the urging 
> of
> my mentor).
>
> I am using the DVideoShowDecoderPlugin. I have tested it, and it works.
> My next step is separating the live actor's shadow part of the video
> image from the white background: I need to convert the Form from color
> to black and white. Once I have the shadow only, I can make a Morph out
> of it and instruct the virtual balls to react to it.
>
> Does anyone have any tips on the easiest way to convert the color image
> to B/W?
>
> -----Original Message-----
> From: squeak-dev-bounces at lists.squeakfoundation.org
> [mailto:squeak-dev-bounces at lists.squeakfoundation.org] On Behalf Of 
> Bert
> Freudenberg
> Sent: Wednesday, July 14, 2004 6:55 AM
> To: The general-purpose Squeak developers list
> Subject: Re: Using video input in Squeak
>
> You would have to write a plugin similar to Diego's V4LPlugin that uses
> Quicktime to read from the camera. To my knowledge, there is no such
> plugin, yet. It might be a good idea to use the same primitives to
> minimize platform-dependencies on the image side.
>
> - Bert -
>
> Am 12.07.2004 um 14:42 schrieb Rob Hensley:
>
>> Ah, I'm using a Mac for this project...
>>
>> Any ideas?
>>
>> 	-----Original Message-----
>> 	From: squeak-dev-bounces at lists.squeakfoundation.org on behalf of
> Ned
>> Konz
>> 	Sent: Wed 7/7/2004 3:47 PM
>> 	To: The general-purpose Squeak developers list
>> 	Cc:
>> 	Subject: Re: Using video input in Squeak
>> 	
>> 	
>>
>> 	On Wednesday 07 July 2004 1:30 pm, Rob Hensley wrote:
>> 	> That's exactly where I got the idea for the project!
>> 	>
>> 	> Do you have any suggestions as to where to start looking for
>> interface
>> 	> code/demos?
>> 	
>> 	Diego Gomez Deck has been working on an interface from
> Video4Linux to
>> Squeak.
>> 	
>> 	Look at:
>> 	http://minnow.cc.gatech.edu/squeak/3765
>> 	
>> 	Also:
>> 	http://minnow.cc.gatech.edu/squeak/1853
>> 	http://minnow.cc.gatech.edu/squeak/2411
>> 	http://www.is.titech.ac.jp/~ohshima/squeak/DShowVideo/
>> 	
>> 	--
>> 	Ned Konz
>> 	http://bike-nomad.com/squeak/




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