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Home/ Questions/Q 1016067
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Editorial Team
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Editorial Team
Asked: May 16, 20262026-05-16T10:29:41+00:00 2026-05-16T10:29:41+00:00

How can I capture a frame from a video-4-linux device (e.g.: /dev/video0) using Mono

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How can I capture a frame from a video-4-linux device (e.g.: /dev/video0) using Mono and C#? OS is Angstrom Linux running on BeagleBoard.

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  1. Editorial Team
    Editorial Team
    2026-05-16T10:29:42+00:00Added an answer on May 16, 2026 at 10:29 am

    I have done v4l2 capture using C. This is probably the only language I would chose to do it in as well. There are a lot of low level calls you need to make into the driver. You need to map kernel memory into your app and copy buffers. You also have to set a ton of configuration for the device. If you need to I would consider writing a C library and using Platform Invoke. Another alternative is to write two programs and send the data over to your C# app via some sort of IPC.

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