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WSAL21559 – HDMI to USB3.0 Adapter/en

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Documentation notice: This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

Summary

The Waveshare HDMI to USB 3.0 adapter is a driver-free HD video capture card for gaming, streaming and cameras. It captures HDMI input up to 4K@30 Hz and outputs over USB as 1080p@60 Hz.

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Technical overview

  • Interfaces: HDMI input (compatible with HDMI 1.4B) and built-in USB 3.0 device; also supports USB 2.0 device mode.
  • HDMI input support: DVI 1.0, color formats RGB444/YCBCR422/YCBCR444/YCBCR420, color depth 24/30/36-bit, CEA-861/CEA-861-F video formats.
  • Maximum HDMI input resolution: 4K (3840×2160 at 30 Hz).
  • USB output: UVC 1.0-compliant video device; supports YUV422 and MJPEG modes.
  • Maximum USB output resolution: 1080p (1920×1080 at 60 Hz); user-defined resolutions are supported.
  • USB audio also follows the UVC 1.0 protocol.
  • Supported operating systems: Windows, Linux, and macOS; no driver installation required.
  • Recommended software: OBS (Open Broadcaster Software) for recording and live streaming.
  • On Raspberry Pi 4B (raspios-bullseye-armhf-full), the captured frame rate drops to about 22–23 fps at 1080p.

Commands and examples – verify before use:  

sudo apt-get update
sudo apt-get install obs-studio -y
LD_PRELOAD=/usr/lib/arm-linux-gnueabihf/libGL.so.1 MESA_GL_VERSION_OVERRIDE=3.3 obs

Notes and version constraints

  • Specific compatibility lists for certain HDMI sources (e.g., consoles, cameras) are not provided in the source – verify before purchase.
  • If the HDMI connection is faulty, the screen stays black; check the connection and re-activate the device.
  • On Raspberry Pi, the frame rate may drop below 30 fps due to performance and software compatibility; running OBS directly may fail – use the specified LD_PRELOAD command line.
  • MJPEG is not supported on Raspberry Pi in this environment; choose YUV422 (YU12/YV12).
  • The source contains placeholders ({{{name2}}}, etc.) that provide no usable data; these were ignored.
  • No information on prices, warranty, or certifications is present in the source; such details have not been added here.

Source and revision record

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