OSSC RGBs results in black screen in OBS

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  • #24266

    Hi there,

    I’m seeing a black screen in OBS while using my OSSC but I hear audio. I’ve tried the troubleshooting guide without success.

    I am trying to capture my SNES with an RGB Scart cable purchased from Retro Access. It’s weird because I’ve had no issues with my Avermedia Live Gamer Portable 2 HD capture device which has worked with PS4 and my composite upscaler.

    I am using:
    SNES via RGB SCART cable into OSSC
    HDMI out of OSSC then into Avermedia Live Gamer Portable 2 Capture Device.
    I’m on MacOS Sierra

    I read that it supports line2x mode which I’ve tried but it still results in a black screen.

    Going via OSSC when going IN to the Avermedia, then Out of the Avermedia into my external HD Monitor works but I see nothing in OBS.

    Sometimes when i change the line mode I see picture for a split second then its just black.

    Any help is greatly appreciated.



    I don’t do video capture, but checking around there seems to be at least two workarounds to test:

    1. Use an external usb 3.0 hub. Seems certain usb3.0 chipsets are not compatible with certain cards.
    2. Use the hdmi input of any generic scart-to-hdmi scaler. This will normalize the signal at the cost of some colour accuracy and frame conversion. Obviously use an hdmi splitter before the generic scaler so you dont have to play with the extra lag. I.e. OSSC -> splitter -> generic scaler -> capture card.

    See the capture card compatibility thread for more info.


    Thanks for your feedback. My capture card does work with USB3 as I’ve been using it with other upscalers and my PS4. I’ve bought another capture card (FHD USB3) which is cheaper that works in OBS (Mac) with OSSC. Hoping that works other I might try your second option you suggested.


    Does it work with other consoles? NES and SNES generally need dejitter mods to have stable sync. Many TVs will not recognize signal from them at all through an OSSC, so I suspect capture cards will also struggle. Even then, OSSC does not have standardized output, so you may still not get anything. There’s a thread here somewhere on capture card compatibility that you may want to dig through.

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