Syphon Server output only shows one solid color

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  • #54004
    jdykhouse
    Participant

    Does the Syphon Server patch dislike iterators? When I put it at the top level of my scene and tell it to render ‘OpenGL Scene’, it shows me a solid color. In fact, it’s the current color in an iterator patch. See attached screenshots.

    This scene is based on an original by George Toledo, and I see the exact same issue when adding a Syphon server to his original scene. However, if I open one of my own originals, I can add a Syphon server just fine.

    Deleting the Server patch after this happens doesn’t fix the issue; the QC patch has to be closed and reverted to an earlier save.

    The Syphon Client Patch works just fine to get video INTO the QC patch.

    I do have a workaround (putting everything into a Render in Image), but I’d never seen this issue before and wanted to report it in case it sheds light on something.

    QC 4.6
    iMac 27″, late 2009
    OS X 10.9.1 (13B42)
    Syphon Plugin: Public Beta 2 (modified June 26, 2011 8:07 PM))
    The Syphon Server is the highest-numbered node in the highest level of my patch.

    The patch, before adding Syphon Server

    The patch, after adding Syphon server

    Putting the patch into a Render in Image node does work.

    #54165
    vade
    Keymaster

    Using a simple QTZ it appears iterator works fine.

    https://www.dropbox.com/s/maipta6p3dlelwz/IteratorTest.qtz

    Can you please make a simple composition that demo’s the issue?

    Can you also please make sure you use the latest Syphon Quartz Composer PlugIn?

    #54166
    jdykhouse
    Participant

    I confirm I am using the latest available plugin.

    Here is a comp demonstrating the issue (at least it does for me).

    http://dl.dropboxusercontent.com/u/3953639/jcd_gen_Anemonae.qtz

    • This reply was modified 6 years, 9 months ago by jdykhouse.
    #54168
    vade
    Keymaster

    That composition works here. Perhaps I’m using a slightly newer build, or you have more than one plugin installed? Can remove anything other than stock plugins and the Syphon plugin?

    Can you ensure you only have one installed?

    #54169
    vade
    Keymaster

    Also you should use an integrator rather than Patch Time + multiplier for speed, you won’t get jumps and discontinuities.

    #54186
    jdykhouse
    Participant

    I’m trying replicate in a super-simple patch but she keeps crashing before I even get to the part where I add a Syphon Server. It’s making me think it’s got to be a problem on my machine.

    I appreciate the note. Do you mean I should have an integrator inside the iterator or you mean one outside, feeding an integrated value into it?

    I should add that this is an adaptation of a George Toledo patch; I would hate to look like I’m taking credit for someone else’s work.

    #54187
    vade
    Keymaster

    Hrm, weird. Let me send you my Syphon Plugin. Theres a chance I might be using an unreleased version? Maybe? Hrm.

    https://www.dropbox.com/s/twg3j5gs13f1eud/Syphon.plugin.zip

    As for patch time, just replace it with an integrator, and use your ‘speed’ as the ‘value’ for the increase / decrease of speed. No need to put it in the iterator.

    Did you remove other patches like Kineme patches, etc in debugging this?

    #54188
    vade
    Keymaster

    BTW, if its crashing before dropping Syphon in, its um, clearly not a Syphon problem 🙂

    #54189
    jdykhouse
    Participant

    Clearly!

    There’s no Kineme’s or other non-stock patches in there, besides this one called /threshold (ci). That I don’t recognize. It behaves like an image threshold filter on the ‘random’ image to turn it into discrete spots. I assume it’s something Toledo put in there, but I’m not sure how or what it is.

    /threshold (ci) patch

    Using the newer Syphon.plugin you provided didn’t change anything.

    #54190
    vade
    Keymaster

    I don’t mean in the composition. I mean installed as plugins in / on your system.

    #54229
    jdykhouse
    Participant

    I didn’t do that. I’ll try that next.

    Thing is, there’s something screwy on my machine that’s making QC crash a lot, so I don’t think this is the best environment to get a reproducible issue. Plus, I do have a workaround so this is not at all critical.

    Thanks a ton for your time Vade, and if I can get this functioning more reliably (or even failing more reliably), I’ll get back on here with more info.

    #54283
    vade
    Keymaster

    Seriously.

    Uninstall.

    All.

    3rd.

    Party.

    Plugins.

    Then test with just the Syphon plugin.

    If that works, a 3rd party plugin, Kineme, another v002, someone else’s, is causing an issue.

    #54285
    jdykhouse
    Participant

    That works.

    It must be one of the others. I’ll start adding them back in one at a time and testing.

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