No Output when checking use Hardware Acceleration
  • solosails
    junior Member
    Posts: 5
    Joined: Mon Jan 27, 2020 3:53 pm

    No Output when checking use Hardware Acceleration

    by solosails » Wed Mar 03, 2021 10:26 pm

    Hi,

    When enabling the "Use Hardware acceleration if possible" for video, I just get a black output - no output.

    MM V 4.0.6
    Windows 10 64
    Intel core i7
    Geforce 940MX with 461.72 driver (latest)
    Intel Onboard (nvidia set to use Geforce card with Mad Mapper)

    Any ideas appreciated. Thanks.
  • mad-matt
    garageCube team
    Posts: 1475
    Joined: Mon Sep 09, 2013 5:50 pm

    Re: No Output when checking use Hardware Acceleration

    by mad-matt » Thu Mar 04, 2021 4:04 pm

    Hi,
    If you go to Preferences / Engine, you will see if MadMapper is running on nVidia or Intel GPU. Can you tell me which GPU it's using ?
    Anyway it doesn't mean that hardware decoding will be done on nVidia GPU.
    You should first update your Intel & nVidia drivers and see if the problem gets solved. Most issues on windows are solved with GPU drivers update...
    Another point: using hardware decoding is great on very small CPUs (I used it to get full HD playback on Intel Nuc / Intel ComputeStick or Azus Vivostick because CPU doesn't handle a single Full HD h264 movie). But on a decent CPU, it's better to keep CPU decoding. I can decode about 8 4k movies on my desktop before getting frame drops. If you need more than your PU can give, use HAP or HapQ codec: https://hap.video/ We have native support of this codec, it's really optimized: frames are zipped with a fast decoding library and store in a format that your graphics card can directly receive (so doing part of the decoding)
    Cheers
  • solosails
    junior Member
    Posts: 5
    Joined: Mon Jan 27, 2020 3:53 pm

    Re: No Output when checking use Hardware Acceleration

    by solosails » Fri Mar 19, 2021 5:43 pm

    Hi There,

    Thanks for getting back to me and sorry I haven't replied earlier, I thought I had clicked notify me but obviously not - I will try ther suggestions and get back to you - thanks again.

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