how to disable iTunes HD playback support?

Discussion in 'macOS' started by whitehexagon, Jun 29, 2011.

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  1. whitehexagon, Jun 29, 2011

    whitehexagon macrumors regular

    whitehexagon

    Joined:
    May 12, 2007
    #1
    I have a matrox dualHead2Go DP that can't handle the HDCP signals on the DP cable. I recently found a fix for this using a 'defaults write ...' setting. Today I updated OSX SL and lost that setting :( So when I have itunes or quicktime open my mouse is jumping and skipping every few seconds.

    does anyone know the relevant setting please. As far as I remember the tipster mentioned it disabled HD playback support in iTunes...
     
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  2. whitehexagon, Jun 29, 2011

    whitehexagon thread starter macrumors regular

    whitehexagon

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  3. Irkedangel, Jan 27, 2015

    Irkedangel macrumors newbie

    Joined:
    Jan 27, 2015
    #3
    Works Great! Now how do I undo it?

    I was looking for a way to use mac computers in a mixed HDCP environment for AV system integration and this was the only solution that addressed the way the mac handled HDCP. I tried it using a HDMI DA to a LG monitor and a Atmos Samurai Blade HDSDI recorder with the HDMI to HDSDI converter option. I could record the desktop and any non-DRM source. So wonderful! Mission accomplished! But now my computer cannot play DRM protected content at all… any thoughts?
     
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