videomixer with external images

Frédéric Sallé salle.frederic at gmail.com
Tue Nov 26 00:12:30 PST 2013


Hi Nicolas,

Yes the PPA is quite outdated, the proposed version is 1.0.8 ...
I suppose I have to build from the sources.

Regarding the alpha element, either the noise-level and the angle 
properties are not working with the 0.1 version or the is not enough to 
solve my issue...

Thanks,
Frédéric

On 25/11/2013 23:15, Nicolas Dufresne wrote:
> Le lundi 25 novembre 2013 à 21:42 +0100, Frédéric Sallé a écrit :
>> Hello,
>>
>> With the 0.1 version, It works as expected.
>> BTW, the 1.x version of that pipeline (with binaries from the PPA),
>> Gsteamer hangs most of the time but sometimes it's ok :-(
> The PPA is out dated, I seriously think the distro should take care of
> updating to the 1.2. The pipeline works fine on 1.2, as videomixer have
> got quite some improvement.
>
>> However the issue is that the JPEG compression mess up the blue
>> background used for the alpha blending and the image to overlay. (I
>> don't want to use sink_X::alpha=XX properties of the videomixer to get
>> a clear overlay.)
> You should look at the alpha element documentation. It's doing some
> advanced fuzzy matching on colors which can be (and probably must be)
> tweaked to you scene.
>
> Nicolas
>
>
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