[gst-devel] Kaapow

[Jens Persson]

That worked perfectly mr Moutte. And while you're at it can you please 
tell us how to get it transparent too?

greets Jens

Julien Moutte wrote:
> You don't need freeze, look at this example launch line.
>
>
> gst-launch-0.10 filesrc location=/home/dolphy/Desktop/ROCK1.png !
> pngdec ! ffmpegcolorspace ! videomixer name=mixer ! ffmpegcolorspace !
> ximagesink videotestsrc ! ffmpegcolorspace ! mixer.
>
>
> ATTENTION: the order is important in the gst-launch line because you
> can't control the Z order of the streams connected to the mixer. In your
> application it's different. Enjoy..
>
> Julien.
>
> On Fri, 2006-12-29 at 15:13 +0000, Adam Lofts wrote:
>   
>> Hi,
>>
>> I'd like to announce a project I've had over the winter. Kaapow is a
>> little python application for playing with webcams. It will display
>> you webcam feed and allow you to apply effects to the feed (currently
>> limited to the *tv elements, see below). The url is
>> http://adam.uwcs.co.uk/kaapow. This should be fun for people with
>> cameras built into laptops for example. 
>>
>> So the next step I want to take is to add an "overlay" effect to put a
>> picture of a gorilla on top of the camera feed, so one can look at
>> oneself being a gorilla (i.e. some of the image would be transparent).
>> Unfortunately this is not as simple as sticking in an edgetv element
>> and a colorspace. My gut reaction was this: 
>>
>> [ filesrc ! pngdec ! freeze ! ffmpegcolorspace ]
>> [ feed going in ! ffmpegcolorspace ]
>>
>> both into 
>>
>> [ videomixer ! feed going out ]
>>
>> I do get one frame of output from this, with the image on top but then
>> playing stops. I've also tried playing with pad probes to eat up EOS
>> events but still no success. 
>>
>> Are there any example of doing this?
>>
>> Thanks,
>> Adam
>>
>>
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