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blackmagicmedia has no video input when i play as standalone game

i have used black magic media, as offical tutorial, i have did it well.However, when i play in standalone game mode, it shows me no video input.But black magic media works well, when i just click play or Simluate. What's the problem? What should i do?alt text

Product Version: UE 4.21
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asked Dec 14 '18 at 02:35 AM in Using UE4

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avatar image Snufx Jan 08 '19 at 12:35 PM

Hi, i am having the same problem, have you figured out any solution ?

Same problem in packaged solution as standaloneplay.

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The black magic card can only be used once. You have to close UnrealEngine editor to be able to acces the blackmagic card in your program, so you can't test in Stand alone play.

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answered Jan 08 '19 at 01:42 PM

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