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Activity Forums Blackmagic Design HDlink & extended desktop

  • HDlink & extended desktop

    Posted by Rob Tinworth on May 26, 2005 at 9:38 am

    G5/HDlink/23″display

    is the setup, and considering getting a second 23″display, running the HDlink into it, and using it as a second desktop (when no video present) for FCP bins, and monitor (when video is present).

    When I first set the system up a few weeks ago, this was essentially what I was doing. But just hooked the 23″ up to the HDlink again, and while it’s working fine outputting video, when I try to use it as an extended desktop, the mouse cursor is only refreshing 2/3 times a second (so it stutters it’s way across the screen). Only difference in the setup is an update to the HDlink software + firmware, but I’d be surprised if this were the problem. Has anybody else encountered this? And is anybody actually using the extended desktop, or is the response time always too slow to make this practical?

    Rob Tinworth
    http://www.1021.tv

    Alvin Yip replied 20 years, 10 months ago 3 Members · 4 Replies
  • 4 Replies
  • Kaspar Kallas

    May 26, 2005 at 9:53 am

    yes it supposed to be slower, but I think it was a bit faster than 3 fps should do at least 12fps in HD res

    -Kaspar

  • Rob Tinworth

    May 26, 2005 at 10:29 am

    Yeah – I don’t think the decklinkHD card is entirely happy. Another problem I’ve been having with expose windows bouncing back straight away, and a stuttering screensaver, have been fixed by switching the extended display off. The screensaver started stuttering a few days ago (for apparently no unprompted reason, I’m pretty sure it was working OK with Tiger (recently installed) for a short interval, though it could be related).

    Anyone have extended desktop working OK with Tiger with DecklinkHD?

    Actually, this could be related to my Decklink drivers. Currently running FCP4.5 (FCP5 not arrived in Singapore yet), with Tiger and Decklink 4.8. Can’t download the latest decklink drivers as they’re uncompatable with FCP4.5

    Guess I’ll wait till FCP5 arrives, update all the drivers and hope for the best.

    Rob Tinworth
    http://www.1021.tv

  • Rob Tinworth

    June 2, 2005 at 5:52 am

    OK. So FCP5 arrived. Installed. Downloaded the latest blackmagic drivers. I even reseated the blackmagic card in the top slot (“I wonder which will give first – the little black wotsit or the entire motherboard?”).

    So several hours later, finally booted the G5 back up and switched the extended desktop back on. No luck – still refreshing at about 2 fps, so completely impractical for file management. Video output working fine.

    Does anybody have the extended desktop working with Tiger?

    I like the idea of being able to switch between the FCP bins and the video output.

    Dual 2.5, OS 10.4.1, QT 7.01, FCP5.0, decklink 5.0b2, hdlink 4.7

    Rob
    http://www.1021.tv

  • Alvin Yip

    June 16, 2005 at 4:58 am

    Well the extended Desktop used to work fine when I was running Panther and the Decklink 4.8 drivers. But the moment I switched to Tiger I stared experiencing the same problems as you… However, once in a while the speed of the display will go back to the speed I had when I was using Tiger… Unfortunately I have not figured out any rhyme or reason behind the switching back…

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