Home › Forums › v002 › v002 QC Plugins Support › Simple Syphon video player on video card output
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March 21, 2013 at 4:06 am #19777cedParticipant
Hello,
I’m novice about Syphon. I’m using Kroma Key Live app on my Mac Pro with Black Magic Extrem 3D for input. I want to have the new composite video on my monitor thru the black Magic output in SDI.
I don’t find a very simple syphon player which can output on video card (video + sound)
Thanks a lot for your response
March 21, 2013 at 8:47 am #19778vadeKeymasterHi ced,
So a few things to know.
Most Broadcast video capture and output cards (ie, HD-SDI, Matrox, BlackMagic, AJA, etc) do not have a GPU (a graphics processing unit) in the sense of being OpenGL compatible. I know that sounds sort of odd, but those cards work differently than the video cards used for 3D computing / gaming etc.
Syphon relies on the latter (a GPU), and needs OpenGL. Since the AJA/BlackMagic etc cards *do not* have a GPU or OpenGL support, special software has to be made to take anything from OpenGL (like Syphon) to be output and synced.
That sounds horribly complicated, but BlackMagic has an example that uses OpenGL to output to their cards, but no one has made a Syphon “enabled” version. That sounds like what you would need to solve your problem
Unfortunately I have pretty full plate, so I can’t whip up anything soon – but you might see if anyone elsewhere has done it.
You might also find commercial piece of software that has both Syphon support and Black Magic support, and could sort of “roll your own” solution via 3rd party software.
March 25, 2013 at 4:20 am #20020cedParticipantThank you for your answer.
That confirms that i thank. I gonna continue to look for an application but that what i aready did. No success. And if no one here knows this kind of piece of software, that’s confirme why i can’t manage it … 😉
March 25, 2013 at 11:18 am #20065paprikamixParticipantHi,
i am looking for the exact same thing. I also figured out that we should combine the xcode syphon simple client and blackmagic openGl to output on their cards. Unfortunately i am not a programmer able to do this.
For the moment i use firewire out. I just tested in quartzcomposer to link syphon client and v002_DV plugin. This works with a bit of latency. From there i go true a xdcam recorder to convert to SDI.
anyway if you find a solution… let me know 😉
March 26, 2013 at 12:11 pm #20103paprikamixParticipanthey,
I opened for the first time max/jitter and combined the syphon client with a jit.qt.movieout.
looks like it’s working without really knowing what i did… The image is upside-down, but i guess it can’t be to difficult to rotate it. I think that someone with max-experience can make it better and faster… give it a try !
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