Quelltext der Seite 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.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/WSAL21559 WSAL21559 – USB Port High Definition HDMI Video Capture Card, for Gaming / Streaming / Cameras, HDMI to USB]
* [https://shop.jw-tech.eu/p/WSAL24211 WSAL24211 – USB Port High Definition HDMI Video Capture Card, for Gaming / Streaming / Cameras, HDMI to USB]

== 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:''' 
<syntaxhighlight lang="text">
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
</syntaxhighlight>

== 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 (&#123;&#123;&#123;name2&#125;&#125;&#125;, 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 ==
* [https://www.waveshare.com/wiki/HDMI_to_USB3.0_Adapter HDMI to USB3.0 Adapter - Waveshare Wiki]
* Source revision: 105723
* Captured: 2026-09-03T02:57:33+00:00
* SHA-256: <code>b836752bd8d0b32678844195b76d2e888c455742e6ba1ef387e165f663d9710f</code>