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    Picture grabber

    Troubleshooting and Bug Reports
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    • camilozk
      camilozk last edited by

      I dont get why the "freeze" actor looses the grabbed image when it get the video input unconnected.

      i5 M520 @ 2.40GHz / 4Gb Ram / Win 7 - izzy 2.2.2
      i7 7700HQ @ 2.8GHz / 16Gb Ram / Win 10 - izzy 2.6.1 / GeForce GTX 1060
      AMD Ryzen 7 5800H / 16Gb Ram / Windows 11 / Radeon Graphics 3.20 GHz

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      • mark
        mark last edited by

        Dear Camilozk,

        Well, I suppose it's not totally necessary that it loses the image -- it could let the allocated memory "linger." But it is really standard for all Isadora video actors to output "nothing" (black) when you disconnect the inputs. And for sure, when you leave the scene that "owns" the Freeze actor, it needs to dispose the memory occupied by the image.
        (FreeFrameGL is being tested by a couple of people. It is not available to the general community yet. But it is getting more stable, and I will offer it as soon as I can.)
        Best Wishes,
        Mark

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

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        • camilozk
          camilozk last edited by

          we will be waiting freeframeGL for windows anxiously.

          I understand the standard behaviour of video actor, but perhaps in the particular case of freeze actor, it would be nice if it keeps the image even when the input is disconnected. this allows us to stop video capture when we already grabbed the image that we need. anyway, it would also be sorted with the "picture grabber actor". once you froze the live capture with "freeze actor", you grab the resulting image, and you can release the input of "freeze" without loosing the image captured.
          viel spass!

          i5 M520 @ 2.40GHz / 4Gb Ram / Win 7 - izzy 2.2.2
          i7 7700HQ @ 2.8GHz / 16Gb Ram / Win 10 - izzy 2.6.1 / GeForce GTX 1060
          AMD Ryzen 7 5800H / 16Gb Ram / Windows 11 / Radeon Graphics 3.20 GHz

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          • artoo
            artoo last edited by

            hi, well it´s possible to grab a picture with certain conditions... I've done this once few years ago and it´s works pretty well. -first of all, working on mac (sorry) and use midi stroke. this cool little freeware allows to create keyboard´s shortcut via midi control (in our case a screenshot) -then, the main screen of your computer has to be set as the stage output of the stream in wich you want to grab a picture so now by passing in full screen mode you can send a midi trigger to midi stroke wich will make a screenshot of the main screen... you have now a still image that you can import and use in an other stage then send on a second screen... it's a bit "alambiqué" as we say in french but it works great.

            Izzy 2.6.1 | MacPro (2013) 3.7GHz i7 16GB 2xAMD FirePro D500 | OSX 10.13.6
            Izzy 3.2 | MacbookPro M1Max (10/24 core) 32Go ram | OSX 12.2

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            • arcticsunrise
              arcticsunrise last edited by

              This has always worked for me but only on a mac. On windows it does save the files to the desktop and rea them auto back into the media bin in locations 1-15 however even using the get media actor and assigning numbers it wont on windows7 auto play the files. put the same patch on a mac and it works fine. 05c2ee-imagegrabber.png

              :// ashley james brown

              {creative technologist, coder and experience designer}
              ashleyjamesbrown.com

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              • M
                marloeke_vlugt last edited by

                Hi Artoo, I installed midi stroke, but I can't seem to get it communicating with Isadora. Can you tell me how you did this?

                thanks, Marloeke
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                • artoo
                  artoo last edited by

                  Hi marloeke_vlugt

                  -in isadora select "isadora virtual out" as midi output in the midi setup window
                  -in midi stroke you choose source (src) : isadora virtual out
                  then it should communicate!
                  use a "send control" actor in izzy 
                  report it's number/channel/value in midi stroke's left window
                  create a keyboard combo in midi stroke's right window (here is "cmd/maj/3" for a screenshot)
                  and enjoy...
                  of course it doesn't work only for screenshots... you can do a lot of things with midi stroke ... such as an easy color inverter with this second combo "cmd/alt/ctrl/8" ...

                  Izzy 2.6.1 | MacPro (2013) 3.7GHz i7 16GB 2xAMD FirePro D500 | OSX 10.13.6
                  Izzy 3.2 | MacbookPro M1Max (10/24 core) 32Go ram | OSX 12.2

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                  • K
                    KevinF last edited by

                    _"...as soon as it looses its video input, it also looses what it froze."

                    _While it's not entirely what you're looking for, here's a patch that should solve that problem in particular.  You can freeze (as usual), or change the mix mount between 0 and 100.  Or both.

                    067370-freezealt.png

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                    • camilozk
                      camilozk last edited by

                      fair enough! but anyway, we need the pic grabber!

                      :)

                      i5 M520 @ 2.40GHz / 4Gb Ram / Win 7 - izzy 2.2.2
                      i7 7700HQ @ 2.8GHz / 16Gb Ram / Win 10 - izzy 2.6.1 / GeForce GTX 1060
                      AMD Ryzen 7 5800H / 16Gb Ram / Windows 11 / Radeon Graphics 3.20 GHz

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                      • Fred
                        Fred last edited by

                        Here is a little more robust solution, it is OSX only as it uses syphon. It takes a syphon feed (in and out), send it the image stream and it will return a freeze of an image, but also a path over osc of a saved png. It will save the png also with an OSC signal. All settings configurable through an XML inside the data folder. Leave the folder structure as is (you can put your izzy file where ever)- default image save location is inside the data folder but can be changed as with all other settings. Make sure you set up the save location, and image size. To load the images into Isadora later use an apple script- somewhere on the forum. The image saving is threaded and should not interrupt anything but it is a little weak in that if the thread is busy saving an image it will not accept to save a new image- so you have to wait for it to be done before you can save another- still I can do 10 a second (should not crash if you do it too fast, it will just complain to the console). 

                        here it is
                        http://goo.gl/ctSO0
                        Fred

                        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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