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    Mac Pro and 5 outputs

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    • mark
      mark last edited by

      Dear Don,

      That's the right approach. Just make sure you're using v2.2 and the updated, GPU capable version of the Chopper actors. If you keep this processing on the GPU, it will be ultra fast.
      Best,
      Mark

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

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      • MatthewH
        MatthewH Beta Tester last edited by

        I've done this a number of times. The only limitation is that you need to use active adapters. All miniDP to VGA adapters are active but for DVI you will need to specifically get active ones. They're not the cheapest and you'll need a powered USB hub for them but I've used five of these plus an operator monitor using a passive HDMI to DVI adapter loads of times: http://www.monoprice.com/product?c_id=104&cp_id=10428&cs_id=1042802&p_id=500055&seq=1&format=2

        Matthew Haber :: matthewhaber.com :: besidedigital.com :: Download my actors: http://www.matthewhaber.com/isadora-actors

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        • Michel
          Michel Izzy Guru last edited by

          @MatthewH

          I use these active adpaters from startech (MiniDisplayport to DVI) and they do work without additional power from USB or else. I have 6 of them and they were all used successfully at the same time on a MacPro. https://www.startech.com/AV/Displayport-Converters/Active-Mini-DisplayPort-DVI-Cable-6ft~MDP2DVIMM6BS and a version with a short cable, I prefere the long cables: https://www.startech.com/AV/Displayport-Converters/Mini-DisplayPort-to-DVI-Active-Adapter~MDP2DVIS

          They also have an HDMI version, but I did not try these: https://www.startech.com/uk/AV/Displayport-Converters/Mini-DisplayPort-to-HDMI-Active-Video-and-Audio-Adapter-Converter-Mini-DP-to-HDMI-1920x1200~MDP2HDS

          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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          • Armando
            Armando Beta Gold last edited by

            @MatthewH @Michel @Dritter

            Hello,
            one thing is unclear to me. Why should the thunderbolt - DVI be active? Video projectors are just full hd res isn't it?

            Armando Menicacci
            www.studiosit.ca
            MacBook Pro 16-inch, 2021 Apple M1 Max, RAM 64 GB, 4TB SSD, Mac OS Sonoma 14.4.1 (23E224)

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            • Michel
              Michel Izzy Guru last edited by

              @Armando

              On a Mac Pro if you want more than two digital outputs (DVI or HDMI) you need active adapters, this is an limitation that comes from apple. As far as I know this limitation is not on the hardware side. I don't really know when it started, but back then when we bought the new MacPro's I could use passive adapters for all outputs even digital. And then one day when apple introduced a new update not a major one something like from 10.9.3 to 10.9.4 it did not work anymore.

              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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              • D
                dritter last edited by

                Mark, Matthew and Michel, great, thank you for clarifying this. I just went to a local store and they had Belkin and Apple displayport to VGA adapters. A read a review of the Belkin adapter, and some users wrote that it only provided a mirrored output on a Mac. Does this sound correct? Do you suggest I buy the Apple adapters or another brand?

                Also, do you suggest that I would need edge blending with this configuration?

                many thanks,
                Don

                Izzy 2.6.1 USB | MBP (mid 2015) 2.8 GHz i7, 16GB, AMD Radeon R9 | OSX 10.11.6
                Corsair One, 3.7 GHz i7, 32GB, GTX1080 | Windows 10

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                • fredvaillant
                  fredvaillant last edited by

                  @Michel,

                  Hello, I was involved in an strong Hackintosh hardware but the builder fucked with crashes and problem with Capitan... I need to rebuild a new Mac configuration very quickly around maybe a Mac Pro. 
                  I need 4 HDMI 720p outputs and 2 thunderbolts for 2 inputs BM mini rec. I had many discussions with Mehdi and Fred around that 2 months ago and I chose Hackintosh at that time..
                  On the Apple support they write 6 DVI outputs with active DVI/Minidisplay and only 2 HDMI outputs !
                  Could it be impossible to have HDMI instead of DVI ? I know there is only 3 bus. I have Startech HDMI active but no Macpro to try...
                  I have no time to wait for the MBP 2016, 
                  Thanks 

                  MBP M1 MAX, 32 GO, MONTEREY

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                  • Michel
                    Michel Izzy Guru last edited by

                    @fredvaillant

                    To be honest I only used active Minidisplay to DVI adapters not to HDMI. But because DVI and HDMI are compatible I would not understand why DVI allows 6 and HDMI only 2. I have this active adapter:  and then this HDMI - DVI bi-directional adapater. But only have used two of them. If I find time I can try to connect more than two tomorrow.

                    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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                    • fredvaillant
                      fredvaillant last edited by

                      @Michel

                      Thank you it would be helpful.
                      Fred.

                      MBP M1 MAX, 32 GO, MONTEREY

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                      • Michel
                        Michel Izzy Guru last edited by

                        @fredvaillant

                        Tested today with the cables mentioned above and it worked without any problems, see pictures attached.

                        Best Michel
                        ca0459-img_4713-1.jpg 05e880-img_4715-1.jpg de3fc1-img_4716-1.jpg

                        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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                        • fredvaillant
                          fredvaillant last edited by

                          Many thanks for this information.

                          Best Fred

                          MBP M1 MAX, 32 GO, MONTEREY

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                          • D
                            dritter last edited by

                            Thanks to Mark and everyone for suggestions. I have now completed the project using a Mac Pro with 4 x 20K lumen video projectors (1920x1200 res) and a control monitor. The projectors and monitor were connected through five IOGear TB to HDMI adapters.
                            http://www.amazon.com/IOGEAR-DisplayPort-Adapter-Support-GMDPHD4KA/dp/B0129KS67M/ref=sr_1_3?ie=UTF8&qid=1464964499&sr=8-3&keywords=iogear+thunderbolt+hdmi

                            The video sources were two ProRes 4K movies (3920 x 2160), which were mixed together in real time with continuous color and luminance adjustments, and then split into 4 x 1920 x 1200 quarters, all running at 24 fps with edge blending and izzymapping. You can see video documentation and photos here:
                            http://aesthetic-machinery.com/burning-too.html

                            Don

                            Izzy 2.6.1 USB | MBP (mid 2015) 2.8 GHz i7, 16GB, AMD Radeon R9 | OSX 10.11.6
                            Corsair One, 3.7 GHz i7, 32GB, GTX1080 | Windows 10

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