Reply To: VPT Syphon to CamTwist…stream darkens with alpha

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First of all you are a true hero for developing Syphon and keeping it open source. It’s an amazing technology and is changing how I think about video. Thank you. I plan to donate.

So I found if I bring the stream from VPT into Jitter, I can change the alpha mode and it interprets without the transparency issue, which should translate into CamTwist. (Neither camtwist or vpt have options for changing how alphas are handled).

Problem is, I’m inexperienced with Max, and I’m having trouble routing my syphon stream out of Max to syphon server. AND, I also haven’t been able to post to the Jitter forums for some reason, keep giving me a blank page when I submit the post.

Below is the post I was trying to submit to those forums. Mind taking a look for me? Thanks again!

(I couldn’t post the max path here, but it’s just the two Syphon help files together in one patch)

n00b question here regarding syphon:

I want to take incoming syphon client data, adjust the aplha @blend_enable argument, and then send it out to syphon server.

I’ve looked around the forums and I know the answer is right in front of me in some combination using the node, texture, and gl objects, but my max skills are limited and I’m stuck.

In the attached patch, If I could just connect the left help file’s output to the right help files syphon input, I would be very happy. Keeping in mind the @blend_enable 1 and/or erase_color 1. 0. 0. 1. arguments apply to the stream.