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    Green screen

    How To... ?
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    • G
      gavspav Beta Silver last edited by

      The new kinect does much cleaner background subtraction than the last one. Lower latency too. Its very impressive!

      Windows only though and the sdk is still in Beta at the moment.

      http://www.digitalfunfair.co.uk I'm using M1 MBP 14" mostly but sometimes use older Mac & Windows machines.

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      • mark
        mark last edited by

        @laurentR

        For what it's worth: none of the CPU based plugins are going to perform well with HD. In the old days of 640x480, they were quite usable. But for 1920x1080, they just can't handle the bandwidth. That's why 2.0 + FFGL is the path everyone must adopt for the future.
        Best,
        Mark

        Media Artist & Creator of Isadora
        Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

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        • Unfenswinger
          Unfenswinger last edited by

          Another option for live chroma keying might be PixelConduit (FREE) with the $19 Video Link upgrade which will give you Syphon support. Conduit was designed primarily for live production work so might be worth checking out?

          I've been using the plugin version of Conduit for years in Motion and it has proven it's worth on many occasions when a nodal approach to compositing has been required.

          @unfenswinger
          Gone all PC...

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          • Michel
            Michel Izzy Guru last edited by

            @Unfenswinger

            A few years ago I have tried PixelConduit but had to much crashes to work on a production with it. But maybe worth trying again.

            Best
            Michel

            Michel Weber | www.filmprojekt.ch | rMBP (2019) i9, 16gig, AMD 5500M 8 GB, OS X 10.15 | located in Winterthur Switzerland.

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            • Fred
              Fred last edited by

              green screen is hard, if you have great lighting, on the subject and the screen and a good camera (442- better colour reproduction) you can start to work. I would seriously look at renting hardware for this. The blackmagic ATEM switcher 2me has a pretty good kery inside it, it is a cheap piece of kit- under 2k and rental therefore is also cheap. You can run an SDI camera into it and feed your background into another input and you have your composite without touching anything in Izzy- leaving your machine free for making everything work. The other great advantage is that you will have only 1 frame latency if you output the image from the mixer, if you want to put it back into your computer for mapping you only have the roundtrip delay no processing.

              The other solution to look at is TSPS
              http://www.tsps.cc/
              It might help, with proper lighting you can use background subtraction and send the mask over syhpon.

              http://www.fredrodrigues.net/
              https://github.com/fred-dev
              OSX 13.6.4 (22G513) MBP 2019 16" 2.3 GHz 8-Core i9, Radeon Pro 5500M 8 GB, 32g RAM
              Windows 10 7700K, GTX 1080ti, 32g RAM, 2tb raided SSD

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              • crystalhorizon
                crystalhorizon Beta Platinum last edited by

                So maybe this could be a new thread: to find FFGLs for the effects we used till now. For example I cant find a simple motion blur, I only find blur.

                There are others that would be also great: Luminance Key, HSL adjust, ...

                Alexander Nantschev | http://www.crystalhorizon.at | located in Vienna Austria

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                • primaldivine
                  primaldivine last edited by

                  http://community.freeframe.org/plugindatabase

                  Pro-User Latest Beta - MacBook Pro i7 2.66GHz SSD
                  www.jamiegriffiths.com Arctic Canada
                  www.chickweedarts.com

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                  • crystalhorizon
                    crystalhorizon Beta Platinum last edited by

                    @primaldivine Is there  a motion blur in that list for mac? I cant find any plugins on the petewarden site, because there is a plugin listed "Petedirectionalblur" on your link

                    Alexander Nantschev | http://www.crystalhorizon.at | located in Vienna Austria

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                    • primaldivine
                      primaldivine last edited by

                      an interesting framework on github for iOS gpu effects... its not FFGL.. but related I suppose.
                      http://www.sunsetlakesoftware.com/2012/02/12/introducing-gpuimage-framework

                      Pro-User Latest Beta - MacBook Pro i7 2.66GHz SSD
                      www.jamiegriffiths.com Arctic Canada
                      www.chickweedarts.com

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                      • Unfenswinger
                        Unfenswinger last edited by

                        @primaldivine,

                        Are you familiar with the Interactive Shader Format developed and made open source by the VDMX guys?
                        [http://vdmx.vidvox.net/blog/isf](http://vdmx.vidvox.net/blog/isf)
                        It would allow potential hundreds of GLSL shaders from [Shader Toy](https://www.shadertoy.com) and [GLSL Sandbox](http://glslsandbox.com) to be made accessible in Isadora. The Shader code needs to be modified with a header to publish the inputs but it appears relatively easy. While not as powerful as FFGL there does appear much more community activity in developing GLSL shaders which we could all benefit from.
                        The downside is that it is Mac only ATM but I wondered if it was something that would be of interest to Isadora users?

                        @unfenswinger
                        Gone all PC...

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                        • G
                          gavspav Beta Silver last edited by

                          This was discussed at the meetup in Berlin wasn't it?

                          I can't remember the outcome but I guess new features aren't top of the list at the moment.
                          +1 from me though.
                          Would it be possible to write a FFGL plugin which can dynamically load isf files?

                          http://www.digitalfunfair.co.uk I'm using M1 MBP 14" mostly but sometimes use older Mac & Windows machines.

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                          • primaldivine
                            primaldivine last edited by

                            @Unfenswinger
                            thanks for the link. WIll look into this next week.

                            Pro-User Latest Beta - MacBook Pro i7 2.66GHz SSD
                            www.jamiegriffiths.com Arctic Canada
                            www.chickweedarts.com

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                            • DusX
                              DusX Tech Staff last edited by

                              @gavspav

                              It was discussed, and is definitely of interest.
                              I believe its on the roadmap.

                              Troikatronix Technical Support

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                              Running: Win 11 64bit, i7, M.2 PCIe SSD's, 32gb DDR4, nVidia GTX 4070 | located in Ontario Canada.

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                              • Unfenswinger
                                Unfenswinger last edited by

                                For Quartz Composer ninjas here's a nice tutorial how to setup GLSL shaders in QC,

                                [http://destroythingsbeautiful.com/2013/01/10/converting-glsl-shaders-for-use-in-quartz-composer-and-vdmx/](http://destroythingsbeautiful.com/2013/01/10/converting-glsl-shaders-for-use-in-quartz-composer-and-vdmx/)
                                I'm new to the RT performance world so apologies if this is old news.

                                @unfenswinger
                                Gone all PC...

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