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    Live capture drivers

    How To... ?
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    • D1gits
      D1gits Beta Tester last edited by

      Hi there! 

      I wonder if there is any way of getting the Blackmagic drivers to work efficiently in the Live Capture settings. As it is now Im just using Apples drivers, and with them I can't get 25p for example. It maxes out at 24p. In resolute arena I can get 25 and getting it to work like a charm. 

      Do you guys have a work around?

      Fred 1 Reply Last reply Reply Quote 0
      • Fred
        Fred @D1gits last edited by

        @D1gits in the capture setting you can switch from apple drivers to native blackmagic. This will give you what you are looking for.

        http://www.fredrodrigues.net/
        https://github.com/fred-dev
        OSX 10.15.15 MBP 2019 16" 2.3 GHz 8-Core i9, Radeon Pro 5500M 8 GB, 32g RAM
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        • jhoepffner
          jhoepffner last edited by

          As Benjamin Krieg said during Werkstatt, you have less delay if you use "Black syphon" receiving image from blackmagic card and Syphon in Isadora to receive it.

          Just have a try

          http://vdmx.vidvox.net/blog/bl...

          Jacques

          Jacques Hoepffner http://hoepffner.info
          GigaByte 550b / Ryzen 7 3800X / Ram 64 Go / RTX 3090 24 Go / SSD 2 To / raid0 32 To
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          Fred 1 Reply Last reply Reply Quote 1
          • Fred
            Fred @jhoepffner last edited by

            @jhoepffner Is that for sure? I did some tests with Marks blackmagic implementation (not the apple drivers) and the black syphon path and I got the opposite effect (was faster using blackmagic drivers in Isadora). The delay and difference did change for different devices. Maybe one of the two is using a different version of the SDK.

            http://www.fredrodrigues.net/
            https://github.com/fred-dev
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            jhoepffner 1 Reply Last reply Reply Quote 0
            • jhoepffner
              jhoepffner @Fred last edited by

              @Fred

              I just quote Benjamin "quick and dirty" session but I think he had done an extensive try to the possibilities…

              Jacques Hoepffner http://hoepffner.info
              GigaByte 550b / Ryzen 7 3800X / Ram 64 Go / RTX 3090 24 Go / SSD 2 To / raid0 32 To
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              1 Reply Last reply Reply Quote 0
              • D1gits
                D1gits Beta Tester last edited by

                Thanks for all your input! Got it to work properly with the interlaced settings instead. Doubled the 25p to 50i and now it works : ) 

                Keve 1 Reply Last reply Reply Quote 1
                • Keve
                  Keve @D1gits last edited by

                  @D1gits

                  How did you double the frames? I have lots of hassle with my blackmagic driver too... Thx in advance!

                  MBP 2016 | 2.7 GHz Intel Core i7 | Radeon Pro 460 4096 MB

                  1 Reply Last reply Reply Quote 0
                  • D1gits
                    D1gits Beta Tester last edited by

                    Hi there Keve. I just selected 50i since that existed on the apple drivers. And that seem to work fine with 25p... 

                    So no 25p settings under apple drivers. But 50i worked in my case.

                    Fred 1 Reply Last reply Reply Quote 0
                    • Fred
                      Fred @D1gits last edited by Fred

                      @D1gits is there a reason you did not use the black magic driver? What problems did you have with them exactly? What capture device are you using?

                      http://www.fredrodrigues.net/
                      https://github.com/fred-dev
                      OSX 10.15.15 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
                      Windows 10 Threadripper 3960x 64g ram, 1tb NVME, rtx 2080ti + rtx2070 super

                      1 Reply Last reply Reply Quote 0
                      • D1gits
                        D1gits Beta Tester last edited by D1gits

                        Still no luck on this matter. I have made a video on my problem now. During this year I have sticked to cameras that output 24p. Then it works ok. But I want to try out cameras that just output 25p. and here is the video of the problem...Video of the problem


                        Hope anyone can point out why the recording does not work when using Black magic drivers! All the best. Erik

                        DusX 2 Replies Last reply Reply Quote 0
                        • DusX
                          DusX Tech Staff @D1gits last edited by

                          @d1gits

                          I can confirm that this is a bug. I am able to reproduce this on my test system (PC) running 2.6.1

                          I am submitting the bug report.

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                          • DusX
                            DusX Tech Staff @D1gits last edited by

                            @d1gits

                            A possible work around, is that you can record the stage (using 'Capture Stage to Movie'), so if you are able to output to a 'hidden' stage you can record from that location, and it behaves as expected.

                            Troikatronix Technical Support

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                            1 Reply Last reply Reply Quote 0
                            • D1gits
                              D1gits Beta Tester last edited by D1gits

                              Great to hear that there is a work around! But how could I trigger the Capture Stage to Movie via osc? So that I could automate a flow from QLab? I just find the Capture Camera To Disk in the Video effects...

                              Woland 1 Reply Last reply Reply Quote 0
                              • Woland
                                Woland Tech Staff @D1gits last edited by

                                @d1gits said:

                                Great to hear that there is a work around! But how could I trigger the Capture Stage to Movie via osc? So that I could automate a flow from QLab? I just find the Capture Camera To Disk in the Video effects...

                                 Trigger it with OSC (or via MIDI with Note On) Listeners and send OSC or MIDI from QLab

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                                • Skulpture
                                  Skulpture Izzy Guru last edited by

                                  Here's the basics of the patch.

                                  Graham Thorne | www.grahamthorne.co.uk
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                                  • D1gits
                                    D1gits Beta Tester last edited by

                                    Thanks for pointing out this! I just don't get any thing to show up. This is my setup...

                                    1 Reply Last reply Reply Quote 0
                                    • Maxime
                                      Maxime last edited by

                                      @D1gits As i can see in your patch, your video in watcher is not connected to a projector. Or this actor captures the stage. If there's nothing on the stage, then it will be black I guess.

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                                      D1gits 1 Reply Last reply Reply Quote 1
                                      • D1gits
                                        D1gits Beta Tester @Maxime last edited by

                                        @maxime Got It! Now it works like a charm : )


                                        Hope to get the camera to disk actor to work with BMD drivers in the future update of Isadora! All the best. 

                                        1 Reply Last reply Reply Quote 1
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