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emUSB-Device Video

Easily transmit video via USB. Send video data to the host.
Simple and driverless! Plug-and-play on any operating system.

  • USB Video Device class (UVC) V1.1 implementation.
  • Send video to the host
  • Cross-platform, no drivers needed on Linux, macOS or Windows
  • High performance
  • Small footprint



Enhance your device with video capabilities

Using emUSB-Device Video, an embedded device can transmit video data to a host, be it from a dedicated camera peripheral, from a storage medium or generated by the application. emUSB-Device Video allows the device to handle video data irrespective of the available hardware, for example pre-recorded instruction videos can be played from a hardware without a camera.


Typical Applications

The video class is the foundation for any embedded device handling video data. 

Typical applications include webcams, professional cameras or video processing equipment.


 Enhance your embedded device with video capabilities!

Application Samples emUSB-Device Video





Technical details

SEGGER’s implementation of the USB Video Class V1.1 is designed with minimal resource usage in mind, especially targeted to embedded devices. The implementation supports the usage of a “camera” (output video terminal). 

The Video class supports the uncompressed frame format (YUV422), multiple resolutions and still image capture.

emUSB-Device Video class on Windows 10 in "Camera".
emUSB-Device Video class on Ubuntu 19.04 in "Guvcview".
emUSB-Device Video class on macOS 10.13.2 in "Quick Camera"

Try it now

Download the emUSB-Device Video demo for the emPower board:

  • Take the pre-converted sample video ../Doc/video.yuv
    Convert any video using ffmpeg:
    ffmpeg -i SeggerDemo_sample_app_project_v3.mp4 -pix_fmt yuyv422 -c:v rawvideo -an -s 640x480 -r 15 video.yuv
    You can add -t 5 before -i to reduce the duration to 5 seconds.
  • Copy the filevideo.yuv onto a SD card
  • Program the emPower with the default application using Embedded Studio
  • Insert the SD card into the emPower board
  • Connect the HS USB connector to your PC
  • Use a webcam viewing program to see your video


Components required to use the Video class:

  • emUSB-Device Video
  • emUSB-Device core
  • emUSB-Device target driver