[PD] stability of Gem for video playing

[Thomas Ouellet Fredericks]

Answer to question 1: send a "colorspace RGBA" message to pix_film before
loading your quicktime.

In my experience only Final Cut can render properly the alpha channel and
there is a trick to it:

-exporte with "FCP movie" (not Quicktime)
-go to custom settings
in QT video settings select  ANIMATION
-next, still in QT video settings you go to ADVANCED and select
MILLIONS COLOR +
- next, export with RECOMPRESS ALL FRAMES activated or it will not work


Tom

On 3/8/06, patco <megalegoland at yahoo.fr> wrote:
>
> Let's go back on the subject...:D
>
> chickun wrote:
>
> hi list i have 2 questions:
> i made a patch that makes an fade between 2 videos with gem,
> using alpha and  colorRGB it works fine with avi files,
> but doesnt work with mov files, why is this? is this a codec issue?
> if so, which codec of mov files supports alpha with gem?
> in using pd 0.38.4 with osx...
>
> my second question is:
> im creating videos with after effects,
> and theres a compression option that allows you to make alpha channels
> (for example making a video with holes,
> that allows you to see the image that is in the background
> ..... that option is:
> depth : million of colors +
> is it posible to see the videos with transparency in gem?
> thanx .... bye
>
> chickun
> __________________________________
>
> I guess it's more complicated than making "holes" in the movie.
> I haven't tried yet, but
> it might be possible to use [pix_mask] and [pix_multiply]
> for having this kind of effect?
>
> patco
>
>
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>
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