Yuzuki Loop Out HDMI Capture Card PRO

CERN Open Hardware Licence Version 2 - Permissive

Low cost USB3.2Gen1 HDMI-USB Video Acquisition With Loop Out (Loop Out HDMI Capture Card)

Ultra low cost Loop Out HDMI-USB Video Acquisition (HDMI Capture Card) based on MS2130 and MS9332 + MS8003

MS2130 is a USB 3.2 Gen 1 high-definition video and audio acquisition chip, which is internally integrated with USB 3.2 Gen 1 Device controller, data transceiver module, and audio and video processing module. The MS2130 can transmit the audio and video signals input by HDMI to a PC, smartphone, or tablet for preview or collection through the USB 3.2 Gen 1 interface. The MS2130 output supports YUV422 and MJPEG modes, and is compatible with Windows, Android and Mac OS systems. Support OBS Studio, Camera, and FFmpeg.

• Support HDMI 4Kx2K@30Hz and HDMI 2.0, YCbCr420 4Kx2K@60Hz Loop Out
• Support 10/12/16 bit Deep Color for Loop Out
• Adaptive input equalization for Loop Out
• Integrated pre-programmed HDCP keys for Loop Out
• Embedded EDID RAM for Loop Out
• USB Type-C USB3.2 Gen 1 interface
• Full height HDMI x 2
• Compatible with DVI 1.0
• Support YUV&JPEG output
• Compatible with UVC 1.0
• Support audio capture
• Support video capture
• Maximum video input 3840x2160@30
• The highest output resolution is 4096x2160@15
• Support 1920x1080@60

Use an EEPROM flasher to flash the firmware before soldering.

Unfortunately, I couldn't find a public version of the MS8003 code, but it's not expensive to buy a pre-programmed set

OSHWHub OpenSource (Chinese): https://oshwhub.com/gloomyghost/yuzuki-lohcc-pro-usb-3-2-gen1-hdmi-huan-chu-cai-ji-ka