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Activity Forums Blackmagic Design H.264 Pro….dropped frames?

  • H.264 Pro….dropped frames?

    Posted by Scott Francis on September 23, 2011 at 10:58 pm

    How can a hardware encoder drop frames? Already disliking this unit…running a dual core laptop with 4GB ram and Windows 7 64 bit and it runs at 97% CPU….any help would be appreciated…
    Thanks

    Scott Francis
    Mind’s Eye Audio/Video Productions

    Scott Francis replied 14 years, 8 months ago 2 Members · 2 Replies
  • 2 Replies
  • Andrew Stone

    September 24, 2011 at 8:08 pm

    Scott,

    How are you hooking into the unit? Are you using the HD-SDI port or otherwise. Please be specific.

    There have been other complaints of dropped frames. The developers need to have specifics to track down problems. CPU over utilization seems like it could be the issue but not necessarily and it could be one of several issues causing the dropped frames.

    Can you drop down to 32 bit mode on your Windows machine? I wonder if the 64 bit operation is contributing to the problem.

    So far I haven’t had dropped frames but I haven’t been doing long transcodes and my input is always via HD-SDI. My target machine is a Mac.

    -Andrew


    Steadicam & Camera Operator

  • Scott Francis

    September 25, 2011 at 4:15 am

    I am sending it component HD 1080i, and analog audio. It captured fine on my workstation but that is a hexacore. I am just confused how a “hardware” encoder drops frames because of a computer being too slow. I understand if it were an old single core that can barely handle usb2….but a dual core. 2.2hz that meets ram and os requirements ?Thanks for any input!
    Regards

    Scott Francis
    Mind’s Eye Audio/Video Productions

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